Merge github.com:grpc/grpc into yeah-we-know-what-youre-talking-about

Conflicts: vsprojects/Grpc.mak vsprojects/grpc.sln vsprojects/grpc/grpc.vcxproj vsprojects/grpc_cpp_plugin/grpc_cpp_plugin.vcxproj vsprojects/grpc_csharp_ext/grpc_csharp_ext.vcxproj vsprojects/grpc_csharp_plugin/grpc_csharp_plugin.vcxproj vsprojects/grpc_objective_c_plugin/grpc_objective_c_plugin.vcxproj vsprojects/grpc_python_plugin/grpc_python_plugin.vcxproj vsprojects/grpc_ruby_plugin/grpc_ruby_plugin.vcxproj vsprojects/grpc_unsecure/grpc_unsecure.vcxproj
9 years ago · 44a127c80f
parent a7957f50af 909917955c
commit 44a127c80f
69 changed files with 1440 additions and 784 deletions
--- a/3
+++ b/3
@ -149,7 +149,6 @@ cc_library(
    "src/core/tsi/ssl_transport_security.h",
    "src/core/tsi/transport_security.h",
    "src/core/tsi/transport_security_interface.h",
-    "src/core/census/grpc_context.h",
    "src/core/channel/census_filter.h",
    "src/core/channel/channel_args.h",
    "src/core/channel/channel_stack.h",
@ -412,7 +411,6 @@ cc_library(
 cc_library(
  name = "grpc_unsecure",
  srcs = [
-    "src/core/census/grpc_context.h",
    "src/core/channel/census_filter.h",
    "src/core/channel/channel_args.h",
    "src/core/channel/channel_stack.h",
@ -1140,7 +1138,6 @@ objc_library(
    "src/core/tsi/ssl_transport_security.h",
    "src/core/tsi/transport_security.h",
    "src/core/tsi/transport_security_interface.h",
-    "src/core/census/grpc_context.h",
    "src/core/channel/census_filter.h",
    "src/core/channel/channel_args.h",
    "src/core/channel/channel_stack.h",
--- a/build.json
+++ b/build.json
@ -114,7 +114,6 @@
        "include/grpc/status.h"
      ],
      "headers": [
-        "src/core/census/grpc_context.h",
        "src/core/channel/census_filter.h",
        "src/core/channel/channel_args.h",
        "src/core/channel/channel_stack.h",
@ -510,6 +509,7 @@
        "gpr"
      ],
      "baselib": true,
+      "dll": "yes",
      "filegroups": [
        "grpc_base",
        "census"
@ -565,6 +565,7 @@
        "gpr"
      ],
      "baselib": true,
+      "dll": "yes",
      "filegroups": [
        "grpc_base",
        "census"
@ -594,6 +595,7 @@
        "grpc"
      ],
      "baselib": true,
+      "dll": "yes",
      "filegroups": [
        "grpc++_base"
      ],
@ -645,6 +647,7 @@
        "grpc_unsecure"
      ],
      "baselib": true,
+      "dll": "yes",
      "filegroups": [
        "grpc++_base"
      ],
@ -833,6 +836,7 @@
        "gpr",
        "grpc"
      ],
+      "dll": "only",
      "vs_project_guid": "{D64C6D63-4458-4A88-AB38-35678384A7E4}"
    }
  ],
--- a/doc/connection-backoff-interop-test-description.md
+++ b/doc/connection-backoff-interop-test-description.md
@ -0,0 +1,77 @@
+Connection Backoff Interop Test Descriptions
+===============================================
+
+This test is to verify the client is reconnecting the server with correct
+backoffs as specified in
+[the spec](http://github.com/grpc/grpc/blob/master/doc/connection-backoff.md).
+The test server has a port (control_port) running a rpc service for controlling
+the server and another port (retry_port) to close any incoming tcp connections.
+The test has the following flow:
+
+1. The server starts listening on control_port.
+2. The client calls Start rpc on server control_port.
+3. The server starts listening on retry_port.
+4. The client connects to server retry_port and retries with backoff for 540s,
+which translates to about 13 retries.
+5. The client calls Stop rpc on server control port.
+6. The client checks the response to see whether the server thinks the backoffs
+are conforming the spec or do its own check on the backoffs in the response.
+
+Client and server use
+[test.proto](https://github.com/grpc/grpc/blob/master/test/proto/test.proto).
+Each language should implement its own client. The C++ server is shared among
+languages.
+
+Client
+------
+
+Clients should accept these arguments:
+* --server_control_port=PORT
+    * The server port to connect to for rpc. For example, "8080"
+* --server_retry_port=PORT
+    * The server port to connect to for testing backoffs. For example, "8081"
+
+The client must connect to the control port without TLS. The client should
+either assert on the server returned backoff status or check the returned
+backoffs on its own.
+
+Procedure of client:
+
+1. Calls Start on server control port with a large deadline or no deadline,
+waits for its finish and checks it succeeded.
+2. Initiates a channel connection to server retry port, which should perform
+reconnections with proper backoffs. A convienent way to achieve this is to
+call Start with a deadline of 540s. The rpc should fail with deadline exceeded.
+3. Calls Stop on server control port and checks it succeeded.
+4. Checks the response to see whether the server thinks the backoffs passed the
+   test.
+5. Optionally, the client can do its own check on the returned backoffs.
+
+
+Server
+------
+
+A C++ server can be used for the test. Other languages do NOT need to implement
+a server. To minimize the network delay, the server binary should run on the
+same machine or on a nearby machine (in terms of network distance) with the
+client binary.
+
+A server implements the ReconnectService to its state. It also opens a
+tcp server on the retry_port, which just shuts down all incoming tcp
+connections to simulate connection failures. The server will keep a record of
+all the reconnection timestamps and return the connection backoffs in the
+response in milliseconds. The server also checks the backoffs to see whether
+they conform the spec and returns whether the client passes the test.
+
+If the server receives a Start call when another client is being tested, it
+finishes the call when the other client is done. If some other host connects
+to the server retry_port when a client is being tested, the server will log an
+error but likely would think the client fails the test.
+
+The server accepts these arguments:
+
+* --control_port=PORT
+    * The port to listen on for control rpcs. For example, "8080"
+* --retry_port=PORT
+    * The tcp server port. For example, "8081"
+
--- a/doc/interop-test-descriptions.md
+++ b/doc/interop-test-descriptions.md
@ -483,18 +483,17 @@ library to obtain the authorization token
 * received SimpleResponse.oauth_scope is in `--oauth_scope`


-### Metadata (TODO: fix name)
-
-Status: Not yet implementable
+### custom_metadata

 This test verifies that custom metadata in either binary or ascii format can be
-sent in header and trailer.
+sent as initial-metadata by the client and as both initial- and trailing-metadata
+by the server.

 Server features:
 * [UnaryCall][]
+* [FullDuplexCall][]
 * [Compressable Payload][]
-* Ability to receive custom metadata from client in header and send custom data
-  back to client in both header and trailer. (TODO: this is not defined)
+* [Echo Metadata][]

 Procedure:
 1. While sending custom metadata (ascii + binary) in the header, client calls
@ -509,21 +508,29 @@ Procedure:
      }
    }
    ```
+The client attaches custom metadata with the following keys and values:
+    ```
+    key: "x-grpc-test-echo-initial", value: "test_initial_metadata_value"
+    key: "x-grpc-test-echo-trailing-bin", value: 0xababab
+    ```
+ 2. Client repeats step 1. with FullDuplexCall instead of UnaryCall.

 Asserts:
 * call was successful
-* custom metadata is echoed back in the response header.
-* custom metadata is echoed back in the response trailer.
+* metadata with key `"x-grpc-test-echo-initial"` and value `"test_initial_metadata_value"`is received in the initial metadata.
+* metadata with key `"x-grpc-test-echo-trailing-bin"` and value `0xababab` is received in the trailing metadata.
+

-### status_code_and_message

-Status: Not yet implementable
+### status_code_and_message

 This test verifies unary calls succeed in sending messages, and propagates back
 status code and message sent along with the messages.

 Server features:
 * [UnaryCall][]
+* [FullDuplexCall][]
+* [Echo Status][]

 Procedure:
 1. Client calls UnaryCall with:
@ -536,6 +543,8 @@ Procedure:
      }
    }
    ```
+2. Client repeats step 1. with FullDuplexCall instead of UnaryCall.
+

 Asserts:
 * received status code is the same with sent code
@ -543,21 +552,15 @@ Asserts:

 ### unimplemented_method

-Status: Not yet implementable
+Status: Ready for implementation. Blocking beta.

-This test verifies calling unimplemented RPC method returns unimplemented
-status.
+This test verifies calling unimplemented RPC method returns the UNIMPLEMENTED status code.

 Procedure:
-* Client calls UnimplementedCall with:
+* Client calls `grpc.testing.UnimplementedService/UnimplementedCall` with an empty request (defined as `grpc.testing.Empty`):

    ```
    {
-      response_type: COMPRESSABLE
-      response_size: 314159
-      payload:{
-        body: 271828 bytes of zeros
-      }
    }
    ```

@ -767,6 +770,22 @@ When the client requests COMPRESSABLE payload, the response includes a payload
 of the size requested containing all zeros and the payload type is
 COMPRESSABLE.

+### Echo Status
+[Echo Status]: #echo-status
+When the client sends a response_status in the request payload, the server closes
+the stream with the status code and messsage contained within said response_status.
+The server will not process any further messages on the stream sent by the client.
+This can be used by clients to verify correct handling of different status codes and
+associated status messages end-to-end.
+
+### Echo Metadata
+[Echo Metadata]: #echo-metadata
+When the client sends metadata with the key `"x-grpc-test-echo-initial"` with its
+request, the server sends back exactly this key and the corresponding value back to
+the client as part of initial metadata. When the client sends metadata with the key
+`"x-grpc-test-echo-trailing-bin"` with its request, the server sends back exactly this
+key and the corresponding value back to the client as trailing metadata.
+
 ### Observe ResponseParameters.interval_us
 [Observe ResponseParameters.interval_us]: #observe-responseparametersinterval_us

--- a/gRPC.podspec
+++ b/gRPC.podspec
@ -151,7 +151,6 @@ Pod::Spec.new do |s|
                      'src/core/tsi/ssl_transport_security.h',
                      'src/core/tsi/transport_security.h',
                      'src/core/tsi/transport_security_interface.h',
-                      'src/core/census/grpc_context.h',
                      'src/core/channel/census_filter.h',
                      'src/core/channel/channel_args.h',
                      'src/core/channel/channel_stack.h',
@ -422,7 +421,6 @@ Pod::Spec.new do |s|
                              'src/core/tsi/ssl_transport_security.h',
                              'src/core/tsi/transport_security.h',
                              'src/core/tsi/transport_security_interface.h',
-                              'src/core/census/grpc_context.h',
                              'src/core/channel/census_filter.h',
                              'src/core/channel/channel_args.h',
                              'src/core/channel/channel_stack.h',
--- a/include/grpc++/client_context.h
+++ b/include/grpc++/client_context.h
@ -110,7 +110,7 @@ class ClientContext {
    creds_ = creds;
  }

-  grpc_compression_algorithm get_compression_algorithm() const {
+  grpc_compression_algorithm compression_algorithm() const {
    return compression_algorithm_;
  }

@ -119,8 +119,8 @@ class ClientContext {
  std::shared_ptr<const AuthContext> auth_context() const;

  // Get and set census context
-  void set_census_context(census_context* ccp) { census_context_ = ccp; }
-  census_context* get_census_context() const { return census_context_; }
+  void set_census_context(struct census_context* ccp) { census_context_ = ccp; }
+  struct census_context* census_context() const { return census_context_; }

  void TryCancel();

@ -170,7 +170,7 @@ class ClientContext {
  grpc::string authority_;
  std::shared_ptr<Credentials> creds_;
  mutable std::shared_ptr<const AuthContext> auth_context_;
-  census_context* census_context_;
+  struct census_context* census_context_;
  std::multimap<grpc::string, grpc::string> send_initial_metadata_;
  std::multimap<grpc::string, grpc::string> recv_initial_metadata_;
  std::multimap<grpc::string, grpc::string> trailing_metadata_;
--- a/include/grpc++/server_context.h
+++ b/include/grpc++/server_context.h
@ -46,6 +46,7 @@
 struct gpr_timespec;
 struct grpc_metadata;
 struct grpc_call;
+struct census_context;

 namespace grpc {

@ -104,18 +105,20 @@ class ServerContext {
    return client_metadata_;
  }

-  grpc_compression_level get_compression_level() const {
+  grpc_compression_level compression_level() const {
    return compression_level_;
  }
  void set_compression_level(grpc_compression_level level);

-  grpc_compression_algorithm get_compression_algorithm() const {
+  grpc_compression_algorithm compression_algorithm() const {
    return compression_algorithm_;
  }
  void set_compression_algorithm(grpc_compression_algorithm algorithm);

  std::shared_ptr<const AuthContext> auth_context() const;

+  const struct census_context* census_context() const;
+
 private:
  friend class ::grpc::testing::InteropContextInspector;
  friend class ::grpc::Server;
--- a/include/grpc/grpc.h
+++ b/include/grpc/grpc.h
@ -200,7 +200,8 @@ typedef struct grpc_metadata {
  size_t value_length;

  /** The following fields are reserved for grpc internal use.
-      There is no need to initialize them, and they will be set to garbage during
+      There is no need to initialize them, and they will be set to garbage
+     during
      calls to grpc. */
  struct {
    void *obfuscated[3];
@ -268,7 +269,8 @@ typedef enum {
  /** Receive initial metadata: one and only one MUST be made on the client,
      must not be made on the server */
  GRPC_OP_RECV_INITIAL_METADATA,
-  /** Receive a message: 0 or more of these operations can occur for each call */
+  /** Receive a message: 0 or more of these operations can occur for each call
+     */
  GRPC_OP_RECV_MESSAGE,
  /** Receive status on the client: one and only one must be made on the client.
     This operation always succeeds, meaning ops paired with this operation
@ -305,14 +307,16 @@ typedef struct grpc_op {
        After the operation completes, call grpc_metadata_array_destroy on this
        value, or reuse it in a future op. */
    grpc_metadata_array *recv_initial_metadata;
-    /** ownership of the byte buffer is moved to the caller; the caller must call
+    /** ownership of the byte buffer is moved to the caller; the caller must
+       call
        grpc_byte_buffer_destroy on this value, or reuse it in a future op. */
    grpc_byte_buffer **recv_message;
    struct {
      /** ownership of the array is with the caller, but ownership of the
          elements stays with the call object (ie key, value members are owned
          by the call object, trailing_metadata->array is owned by the caller).
-          After the operation completes, call grpc_metadata_array_destroy on this
+          After the operation completes, call grpc_metadata_array_destroy on
+         this
          value, or reuse it in a future op. */
      grpc_metadata_array *trailing_metadata;
      grpc_status_code *status;
@ -462,6 +466,16 @@ grpc_call_error grpc_call_start_batch(grpc_call *call, const grpc_op *ops,
    functionality. Instead, use grpc_auth_context. */
 char *grpc_call_get_peer(grpc_call *call);

+struct census_context;
+
+/* Set census context for a call; Must be called before first call to
+   grpc_call_start_batch(). */
+void grpc_census_call_set_context(grpc_call *call,
+                                  struct census_context *context);
+
+/* Retrieve the calls current census context. */
+struct census_context *grpc_census_call_get_context(grpc_call *call);
+
 /** Return a newly allocated string representing the target a channel was
    created for. */
 char *grpc_channel_get_target(grpc_channel *channel);
--- a/src/core/census/grpc_context.c
+++ b/src/core/census/grpc_context.c
@ -32,7 +32,8 @@
 */

 #include <grpc/census.h>
-#include "src/core/census/grpc_context.h"
+#include <grpc/grpc.h>
+#include "src/core/surface/call.h"

 static void grpc_census_context_destroy(void *context) {
  census_context_destroy((census_context *)context);
--- a/src/core/census/grpc_context.h
+++ b/src/core/census/grpc_context.h
@ -1,57 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-/* GRPC <--> CENSUS context interface */
-
-#ifndef CENSUS_GRPC_CONTEXT_H
-#define CENSUS_GRPC_CONTEXT_H
-
-#include <grpc/census.h>
-#include "src/core/surface/call.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Set census context for the call; Must be called before first call to
-   grpc_call_start_batch(). */
-void grpc_census_call_set_context(grpc_call *call, census_context *context);
-
-/* Retrieve the calls current census context. */
-census_context *grpc_census_call_get_context(grpc_call *call);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* CENSUS_GRPC_CONTEXT_H */
--- a/src/core/client_config/subchannel.c
+++ b/src/core/client_config/subchannel.c
@ -44,6 +44,12 @@
 #include "src/core/transport/connectivity_state.h"
 #include "src/core/surface/channel.h"

+#define GRPC_SUBCHANNEL_MIN_CONNECT_TIMEOUT_SECONDS 20
+#define GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS 1
+#define GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER 1.6
+#define GRPC_SUBCHANNEL_RECONNECT_MAX_BACKOFF_SECONDS 120
+#define GRPC_SUBCHANNEL_RECONNECT_JITTER 0.2
+
 typedef struct {
  /* all fields protected by subchannel->mu */
  /** refcount */
@ -125,6 +131,8 @@ struct grpc_subchannel {
  int have_alarm;
  /** our alarm */
  grpc_alarm alarm;
+  /** current random value */
+  gpr_uint32 random;
 };

 struct grpc_subchannel_call {
@ -264,6 +272,10 @@ void grpc_subchannel_del_interested_party(grpc_subchannel *c,
  grpc_pollset_set_del_pollset(c->pollset_set, pollset);
 }

+static gpr_uint32 random_seed() {
+  return (gpr_uint32)(gpr_time_to_millis(gpr_now(GPR_CLOCK_MONOTONIC)));
+}
+
 grpc_subchannel *grpc_subchannel_create(grpc_connector *connector,
                                        grpc_subchannel_args *args) {
  grpc_subchannel *c = gpr_malloc(sizeof(*c));
@ -284,6 +296,7 @@ grpc_subchannel *grpc_subchannel_create(grpc_connector *connector,
  c->mdctx = args->mdctx;
  c->master = args->master;
  c->pollset_set = grpc_client_channel_get_connecting_pollset_set(parent_elem);
+  c->random = random_seed();
  grpc_mdctx_ref(c->mdctx);
  grpc_iomgr_closure_init(&c->connected, subchannel_connected, c);
  grpc_connectivity_state_init(&c->state_tracker, GRPC_CHANNEL_IDLE,
@ -307,10 +320,10 @@ static void continue_connect(grpc_subchannel *c) {
 }

 static void start_connect(grpc_subchannel *c) {
-  gpr_timespec now = gpr_now(GPR_CLOCK_MONOTONIC);
-  c->next_attempt = now;
-  c->backoff_delta = gpr_time_from_seconds(1, GPR_TIMESPAN);
-
+  c->backoff_delta = gpr_time_from_seconds(
+      GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS, GPR_TIMESPAN);
+  c->next_attempt = gpr_time_add(
+      gpr_now(GPR_CLOCK_MONOTONIC), c->backoff_delta);
  continue_connect(c);
 }

@ -576,6 +589,35 @@ static void publish_transport(grpc_subchannel *c) {
  }
 }

+/* Generate a random number between 0 and 1. */
+static double generate_uniform_random_number(grpc_subchannel *c) {
+  c->random = (1103515245 * c->random + 12345) % ((gpr_uint32)1 << 31);
+  return c->random / (double)((gpr_uint32)1 << 31);
+}
+
+/* Update backoff_delta and next_attempt in subchannel */
+static void update_reconnect_parameters(grpc_subchannel *c) {
+  gpr_int32 backoff_delta_millis, jitter;
+  gpr_int32 max_backoff_millis =
+      GRPC_SUBCHANNEL_RECONNECT_MAX_BACKOFF_SECONDS * 1000;
+  double jitter_range;
+  backoff_delta_millis =
+      (gpr_int32)(gpr_time_to_millis(c->backoff_delta) *
+                  GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER);
+  if (backoff_delta_millis > max_backoff_millis) {
+    backoff_delta_millis = max_backoff_millis;
+  }
+  c->backoff_delta = gpr_time_from_millis(backoff_delta_millis, GPR_TIMESPAN);
+  c->next_attempt =
+      gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), c->backoff_delta);
+
+  jitter_range = GRPC_SUBCHANNEL_RECONNECT_JITTER * backoff_delta_millis;
+  jitter =
+      (gpr_int32)((2 * generate_uniform_random_number(c) - 1) * jitter_range);
+  c->next_attempt =
+      gpr_time_add(c->next_attempt, gpr_time_from_millis(jitter, GPR_TIMESPAN));
+}
+
 static void on_alarm(void *arg, int iomgr_success) {
  grpc_subchannel *c = arg;
  gpr_mu_lock(&c->mu);
@ -586,6 +628,7 @@ static void on_alarm(void *arg, int iomgr_success) {
  connectivity_state_changed_locked(c, "alarm");
  gpr_mu_unlock(&c->mu);
  if (iomgr_success) {
+    update_reconnect_parameters(c);
    continue_connect(c);
  } else {
    GRPC_CHANNEL_INTERNAL_UNREF(c->master, "connecting");
@ -603,18 +646,20 @@ static void subchannel_connected(void *arg, int iomgr_success) {
    GPR_ASSERT(!c->have_alarm);
    c->have_alarm = 1;
    connectivity_state_changed_locked(c, "connect_failed");
-    c->next_attempt = gpr_time_add(c->next_attempt, c->backoff_delta);
-    if (gpr_time_cmp(c->backoff_delta,
-                     gpr_time_from_seconds(60, GPR_TIMESPAN)) < 0) {
-      c->backoff_delta = gpr_time_add(c->backoff_delta, c->backoff_delta);
-    }
    grpc_alarm_init(&c->alarm, c->next_attempt, on_alarm, c, now);
    gpr_mu_unlock(&c->mu);
  }
 }

 static gpr_timespec compute_connect_deadline(grpc_subchannel *c) {
-  return gpr_time_add(c->next_attempt, c->backoff_delta);
+  gpr_timespec current_deadline =
+      gpr_time_add(c->next_attempt, c->backoff_delta);
+  gpr_timespec min_deadline = gpr_time_add(
+      gpr_now(GPR_CLOCK_MONOTONIC),
+      gpr_time_from_seconds(GRPC_SUBCHANNEL_MIN_CONNECT_TIMEOUT_SECONDS,
+                            GPR_TIMESPAN));
+  return gpr_time_cmp(current_deadline, min_deadline) > 0 ? current_deadline
+                                                          : min_deadline;
 }

 static grpc_connectivity_state compute_connectivity_locked(grpc_subchannel *c) {
--- a/src/core/surface/call.c
+++ b/src/core/surface/call.c
@ -40,7 +40,6 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>

-#include "src/core/census/grpc_context.h"
 #include "src/core/channel/channel_stack.h"
 #include "src/core/iomgr/alarm.h"
 #include "src/core/profiling/timers.h"
@ -348,7 +347,8 @@ grpc_call *grpc_call_create(grpc_channel *channel, grpc_completion_queue *cq,
  }
  grpc_call_stack_init(channel_stack, server_transport_data, initial_op_ptr,
                       CALL_STACK_FROM_CALL(call));
-  if (gpr_time_cmp(send_deadline, gpr_inf_future(send_deadline.clock_type)) != 0) {
+  if (gpr_time_cmp(send_deadline, gpr_inf_future(send_deadline.clock_type)) !=
+      0) {
    set_deadline_alarm(call, send_deadline);
  }
  return call;
@ -1283,8 +1283,9 @@ static void set_deadline_alarm(grpc_call *call, gpr_timespec deadline) {
  }
  GRPC_CALL_INTERNAL_REF(call, "alarm");
  call->have_alarm = 1;
-  grpc_alarm_init(&call->alarm, gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC), call_alarm, call,
-                  gpr_now(GPR_CLOCK_MONOTONIC));
+  grpc_alarm_init(&call->alarm,
+                  gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC),
+                  call_alarm, call, gpr_now(GPR_CLOCK_MONOTONIC));
 }

 /* we offset status by a small amount when storing it into transport metadata
@ -1319,15 +1320,17 @@ static gpr_uint32 decode_compression(grpc_mdelem *md) {
  grpc_compression_algorithm algorithm;
  void *user_data = grpc_mdelem_get_user_data(md, destroy_compression);
  if (user_data) {
-    algorithm = ((grpc_compression_level)(gpr_intptr)user_data) - COMPRESS_OFFSET;
+    algorithm =
+        ((grpc_compression_level)(gpr_intptr)user_data) - COMPRESS_OFFSET;
  } else {
    const char *md_c_str = grpc_mdstr_as_c_string(md->value);
    if (!grpc_compression_algorithm_parse(md_c_str, &algorithm)) {
      gpr_log(GPR_ERROR, "Invalid compression algorithm: '%s'", md_c_str);
      assert(0);
    }
-    grpc_mdelem_set_user_data(md, destroy_compression,
-                              (void *)(gpr_intptr)(algorithm + COMPRESS_OFFSET));
+    grpc_mdelem_set_user_data(
+        md, destroy_compression,
+        (void *)(gpr_intptr)(algorithm + COMPRESS_OFFSET));
  }
  return algorithm;
 }
--- a/src/cpp/client/channel.cc
+++ b/src/cpp/client/channel.cc
@ -39,7 +39,6 @@
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>

-#include "src/core/census/grpc_context.h"
 #include "src/core/profiling/timers.h"
 #include <grpc++/channel_arguments.h>
 #include <grpc++/client_context.h>
@ -69,7 +68,7 @@ Call Channel::CreateCall(const RpcMethod& method, ClientContext* context,
                                         ? target_.c_str()
                                         : context->authority().c_str(),
                                     context->raw_deadline());
-  grpc_census_call_set_context(c_call, context->get_census_context());
+  grpc_census_call_set_context(c_call, context->census_context());
  GRPC_TIMER_MARK(GRPC_PTAG_CPP_CALL_CREATED, c_call);
  context->set_call(c_call, shared_from_this());
  return Call(c_call, this, cq);
--- a/src/cpp/server/server_context.cc
+++ b/src/cpp/server/server_context.cc
@ -179,4 +179,8 @@ std::shared_ptr<const AuthContext> ServerContext::auth_context() const {
  return auth_context_;
 }

+const struct census_context* ServerContext::census_context() const {
+  return grpc_census_call_get_context(call_);
+}
+
 }  // namespace grpc
--- a/src/csharp/buildall.bat
+++ b/src/csharp/buildall.bat
@ -9,7 +9,7 @@ cd /d %~dp0
@call "%VS120COMNTOOLS%\..\..\vc\vcvarsall.bat" x86

@rem Build the C# native extension
-msbuild ..\..\vsprojects\grpc.sln /t:grpc_csharp_ext /p:PlatformToolset=v120 || goto :error
+msbuild ..\..\vsprojects\grpc_csharp_ext.sln /p:PlatformToolset=v120 || goto :error

 msbuild Grpc.sln /p:Configuration=Debug || goto :error
 msbuild Grpc.sln /p:Configuration=Release || goto :error
--- a/src/node/examples/perf_test.js
+++ b/src/node/examples/perf_test.js
@ -41,7 +41,8 @@ var interop_server = require('../interop/interop_server.js');
 function runTest(iterations, callback) {
  var testServer = interop_server.getServer(0, false);
  testServer.server.listen();
-  var client = new testProto.TestService('localhost:' + testServer.port);
+  var client = new testProto.TestService('localhost:' + testServer.port,
+                                         grpc.Credentials.createInsecure());

  function runIterations(finish) {
    var start = process.hrtime();
--- a/src/node/examples/qps_test.js
+++ b/src/node/examples/qps_test.js
@ -61,7 +61,8 @@ var interop_server = require('../interop/interop_server.js');
 function runTest(concurrent_calls, seconds, callback) {
  var testServer = interop_server.getServer(0, false);
  testServer.server.listen();
-  var client = new testProto.TestService('localhost:' + testServer.port);
+  var client = new testProto.TestService('localhost:' + testServer.port,
+                                         grpc.Credentials.createInsecure());

  var warmup_num = 100;

--- a/src/node/examples/route_guide_client.js
+++ b/src/node/examples/route_guide_client.js
@ -40,7 +40,8 @@ var path = require('path');
 var _ = require('lodash');
 var grpc = require('..');
 var examples = grpc.load(__dirname + '/route_guide.proto').examples;
-var client = new examples.RouteGuide('localhost:50051');
+var client = new examples.RouteGuide('localhost:50051',
+                                     grpc.Credentials.createInsecure());

 var COORD_FACTOR = 1e7;

--- a/src/node/examples/stock_client.js
+++ b/src/node/examples/stock_client.js
@ -38,7 +38,8 @@ var examples = grpc.load(__dirname + '/stock.proto').examples;
 * This exports a client constructor for the Stock service. The usage looks like
 *
 * var StockClient = require('stock_client.js');
- * var stockClient = new StockClient(server_address);
+ * var stockClient = new StockClient(server_address,
+ *                                   grpc.Credentials.createInsecure());
 * stockClient.getLastTradePrice({symbol: 'GOOG'}, function(error, response) {
 *   console.log(error || response);
 * });
--- a/src/node/ext/channel.cc
+++ b/src/node/ext/channel.cc
@ -98,31 +98,30 @@ NAN_METHOD(Channel::New) {

  if (args.IsConstructCall()) {
    if (!args[0]->IsString()) {
-      return NanThrowTypeError("Channel expects a string and an object");
+      return NanThrowTypeError(
+          "Channel expects a string, a credential and an object");
    }
    grpc_channel *wrapped_channel;
    // Owned by the Channel object
    NanUtf8String *host = new NanUtf8String(args[0]);
    NanUtf8String *host_override = NULL;
-    if (args[1]->IsUndefined()) {
+    grpc_credentials *creds;
+    if (!Credentials::HasInstance(args[1])) {
+      return NanThrowTypeError(
+          "Channel's second argument must be a credential");
+    }
+    Credentials *creds_object = ObjectWrap::Unwrap<Credentials>(
+        args[1]->ToObject());
+    creds = creds_object->GetWrappedCredentials();
+    grpc_channel_args *channel_args_ptr;
+    if (args[2]->IsUndefined()) {
+      channel_args_ptr = NULL;
      wrapped_channel = grpc_insecure_channel_create(**host, NULL);
-    } else if (args[1]->IsObject()) {
-      grpc_credentials *creds = NULL;
-      Handle<Object> args_hash(args[1]->ToObject()->Clone());
+    } else if (args[2]->IsObject()) {
+      Handle<Object> args_hash(args[2]->ToObject()->Clone());
      if (args_hash->HasOwnProperty(NanNew(GRPC_SSL_TARGET_NAME_OVERRIDE_ARG))) {
        host_override = new NanUtf8String(args_hash->Get(NanNew(GRPC_SSL_TARGET_NAME_OVERRIDE_ARG)));
      }
-      if (args_hash->HasOwnProperty(NanNew("credentials"))) {
-        Handle<Value> creds_value = args_hash->Get(NanNew("credentials"));
-        if (!Credentials::HasInstance(creds_value)) {
-          return NanThrowTypeError(
-              "credentials arg must be a Credentials object");
-        }
-        Credentials *creds_object =
-            ObjectWrap::Unwrap<Credentials>(creds_value->ToObject());
-        creds = creds_object->GetWrappedCredentials();
-        args_hash->Delete(NanNew("credentials"));
-      }
      Handle<Array> keys(args_hash->GetOwnPropertyNames());
      grpc_channel_args channel_args;
      channel_args.num_args = keys->Length();
@ -149,16 +148,19 @@ NAN_METHOD(Channel::New) {
          return NanThrowTypeError("Arg values must be strings");
        }
      }
-      if (creds == NULL) {
-        wrapped_channel = grpc_insecure_channel_create(**host, &channel_args);
-      } else {
-        wrapped_channel =
-            grpc_secure_channel_create(creds, **host, &channel_args);
-      }
-      free(channel_args.args);
+      channel_args_ptr = &channel_args;
    } else {
      return NanThrowTypeError("Channel expects a string and an object");
    }
+    if (creds == NULL) {
+      wrapped_channel = grpc_insecure_channel_create(**host, channel_args_ptr);
+    } else {
+      wrapped_channel =
+          grpc_secure_channel_create(creds, **host, channel_args_ptr);
+    }
+    if (channel_args_ptr != NULL) {
+      free(channel_args_ptr->args);
+    }
    Channel *channel;
    if (host_override == NULL) {
      channel = new Channel(wrapped_channel, host);
@ -168,8 +170,8 @@ NAN_METHOD(Channel::New) {
    channel->Wrap(args.This());
    NanReturnValue(args.This());
  } else {
-    const int argc = 2;
-    Local<Value> argv[argc] = {args[0], args[1]};
+    const int argc = 3;
+    Local<Value> argv[argc] = {args[0], args[1], args[2]};
    NanReturnValue(constructor->GetFunction()->NewInstance(argc, argv));
  }
 }
--- a/src/node/ext/credentials.cc
+++ b/src/node/ext/credentials.cc
@ -81,6 +81,8 @@ void Credentials::Init(Handle<Object> exports) {
           NanNew<FunctionTemplate>(CreateGce)->GetFunction());
  ctr->Set(NanNew("createIam"),
           NanNew<FunctionTemplate>(CreateIam)->GetFunction());
+  ctr->Set(NanNew("createInsecure"),
+           NanNew<FunctionTemplate>(CreateInsecure)->GetFunction());
  constructor = new NanCallback(ctr);
  exports->Set(NanNew("Credentials"), ctr);
 }
@ -92,9 +94,6 @@ bool Credentials::HasInstance(Handle<Value> val) {

 Handle<Value> Credentials::WrapStruct(grpc_credentials *credentials) {
  NanEscapableScope();
-  if (credentials == NULL) {
-    return NanEscapeScope(NanNull());
-  }
  const int argc = 1;
  Handle<Value> argv[argc] = {
    NanNew<External>(reinterpret_cast<void *>(credentials))};
@ -128,7 +127,11 @@ NAN_METHOD(Credentials::New) {

 NAN_METHOD(Credentials::CreateDefault) {
  NanScope();
-  NanReturnValue(WrapStruct(grpc_google_default_credentials_create()));
+  grpc_credentials *creds = grpc_google_default_credentials_create();
+  if (creds == NULL) {
+    NanReturnNull();
+  }
+  NanReturnValue(WrapStruct(creds));
 }

 NAN_METHOD(Credentials::CreateSsl) {
@ -152,9 +155,12 @@ NAN_METHOD(Credentials::CreateSsl) {
    return NanThrowTypeError(
        "createSSl's third argument must be a Buffer if provided");
  }
-
-  NanReturnValue(WrapStruct(grpc_ssl_credentials_create(
-      root_certs, key_cert_pair.private_key == NULL ? NULL : &key_cert_pair)));
+  grpc_credentials *creds = grpc_ssl_credentials_create(
+      root_certs, key_cert_pair.private_key == NULL ? NULL : &key_cert_pair);
+  if (creds == NULL) {
+    NanReturnNull();
+  }
+  NanReturnValue(WrapStruct(creds));
 }

 NAN_METHOD(Credentials::CreateComposite) {
@ -169,13 +175,21 @@ NAN_METHOD(Credentials::CreateComposite) {
  }
  Credentials *creds1 = ObjectWrap::Unwrap<Credentials>(args[0]->ToObject());
  Credentials *creds2 = ObjectWrap::Unwrap<Credentials>(args[1]->ToObject());
-  NanReturnValue(WrapStruct(grpc_composite_credentials_create(
-      creds1->wrapped_credentials, creds2->wrapped_credentials)));
+  grpc_credentials *creds = grpc_composite_credentials_create(
+      creds1->wrapped_credentials, creds2->wrapped_credentials);
+  if (creds == NULL) {
+    NanReturnNull();
+  }
+  NanReturnValue(WrapStruct(creds));
 }

 NAN_METHOD(Credentials::CreateGce) {
  NanScope();
-  NanReturnValue(WrapStruct(grpc_compute_engine_credentials_create()));
+  grpc_credentials *creds = grpc_compute_engine_credentials_create();
+  if (creds == NULL) {
+    NanReturnNull();
+  }
+  NanReturnValue(WrapStruct(creds));
 }

 NAN_METHOD(Credentials::CreateIam) {
@ -188,8 +202,17 @@ NAN_METHOD(Credentials::CreateIam) {
  }
  NanUtf8String auth_token(args[0]);
  NanUtf8String auth_selector(args[1]);
-  NanReturnValue(
-      WrapStruct(grpc_iam_credentials_create(*auth_token, *auth_selector)));
+  grpc_credentials *creds = grpc_iam_credentials_create(*auth_token,
+                                                       *auth_selector);
+  if (creds == NULL) {
+    NanReturnNull();
+  }
+  NanReturnValue(WrapStruct(creds));
+}
+
+NAN_METHOD(Credentials::CreateInsecure) {
+  NanScope();
+  NanReturnValue(WrapStruct(NULL));
 }

 }  // namespace node
--- a/src/node/ext/credentials.h
+++ b/src/node/ext/credentials.h
@ -68,6 +68,7 @@ class Credentials : public ::node::ObjectWrap {
  static NAN_METHOD(CreateGce);
  static NAN_METHOD(CreateFake);
  static NAN_METHOD(CreateIam);
+  static NAN_METHOD(CreateInsecure);
  static NanCallback *constructor;
  // Used for typechecking instances of this javascript class
  static v8::Persistent<v8::FunctionTemplate> fun_tpl;
--- a/src/node/interop/interop_client.js
+++ b/src/node/interop/interop_client.js
@ -397,6 +397,7 @@ var test_cases = {
 function runTest(address, host_override, test_case, tls, test_ca, done) {
  // TODO(mlumish): enable TLS functionality
  var options = {};
+  var creds;
  if (tls) {
    var ca_path;
    if (test_ca) {
@ -405,13 +406,14 @@ function runTest(address, host_override, test_case, tls, test_ca, done) {
      ca_path = process.env.SSL_CERT_FILE;
    }
    var ca_data = fs.readFileSync(ca_path);
-    var creds = grpc.Credentials.createSsl(ca_data);
-    options.credentials = creds;
+    creds = grpc.Credentials.createSsl(ca_data);
    if (host_override) {
      options['grpc.ssl_target_name_override'] = host_override;
    }
+  } else {
+    creds = grpc.Credentials.createInsecure();
  }
-  var client = new testProto.TestService(address, options);
+  var client = new testProto.TestService(address, creds, options);

  test_cases[test_case](client, done);
 }
--- a/src/node/src/client.js
+++ b/src/node/src/client.js
@ -531,11 +531,13 @@ exports.makeClientConstructor = function(methods, serviceName) {
   * Create a client with the given methods
   * @constructor
   * @param {string} address The address of the server to connect to
+   * @param {grpc.Credentials} credentials Credentials to use to connect
+   *     to the server
   * @param {Object} options Options to pass to the underlying channel
   * @param {function(string, Object, function)=} updateMetadata function to
   *     update the metadata for each request
   */
-  function Client(address, options, updateMetadata) {
+  function Client(address, credentials, options, updateMetadata) {
    if (!updateMetadata) {
      updateMetadata = function(uri, metadata, callback) {
        callback(null, metadata);
@ -545,7 +547,7 @@ exports.makeClientConstructor = function(methods, serviceName) {
      options = {};
    }
    options['grpc.primary_user_agent'] = 'grpc-node/' + version;
-    this.channel = new grpc.Channel(address, options);
+    this.channel = new grpc.Channel(address, credentials, options);
    this.server_address = address.replace(/\/$/, '');
    this.auth_uri = this.server_address + '/' + serviceName;
    this.updateMetadata = updateMetadata;
--- a/src/node/test/call_test.js
+++ b/src/node/test/call_test.js
@ -48,6 +48,8 @@ function getDeadline(timeout_secs) {
  return deadline;
 }

+var insecureCreds = grpc.Credentials.createInsecure();
+
 describe('call', function() {
  var channel;
  var server;
@ -55,7 +57,7 @@ describe('call', function() {
    server = new grpc.Server();
    var port = server.addHttp2Port('localhost:0');
    server.start();
-    channel = new grpc.Channel('localhost:' + port);
+    channel = new grpc.Channel('localhost:' + port, insecureCreds);
  });
  after(function() {
    server.shutdown();
@ -82,7 +84,7 @@ describe('call', function() {
         });
       });
    it('should fail with a closed channel', function() {
-      var local_channel = new grpc.Channel('hostname');
+      var local_channel = new grpc.Channel('hostname', insecureCreds);
      local_channel.close();
      assert.throws(function() {
        new grpc.Call(channel, 'method');
--- a/src/node/test/channel_test.js
+++ b/src/node/test/channel_test.js
@ -36,11 +36,13 @@
 var assert = require('assert');
 var grpc = require('bindings')('grpc.node');

+var insecureCreds = grpc.Credentials.createInsecure();
+
 describe('channel', function() {
  describe('constructor', function() {
    it('should require a string for the first argument', function() {
      assert.doesNotThrow(function() {
-        new grpc.Channel('hostname');
+        new grpc.Channel('hostname', insecureCreds);
      });
      assert.throws(function() {
        new grpc.Channel();
@ -49,38 +51,49 @@ describe('channel', function() {
        new grpc.Channel(5);
      });
    });
-    it('should accept an object for the second parameter', function() {
+    it('should require a credential for the second argument', function() {
      assert.doesNotThrow(function() {
-        new grpc.Channel('hostname', {});
+        new grpc.Channel('hostname', insecureCreds);
      });
      assert.throws(function() {
        new grpc.Channel('hostname', 5);
      });
+      assert.throws(function() {
+        new grpc.Channel('hostname');
+      });
+    });
+    it('should accept an object for the third argument', function() {
+      assert.doesNotThrow(function() {
+        new grpc.Channel('hostname', insecureCreds, {});
+      });
+      assert.throws(function() {
+        new grpc.Channel('hostname', insecureCreds, 'abc');
+      });
    });
    it('should only accept objects with string or int values', function() {
      assert.doesNotThrow(function() {
-        new grpc.Channel('hostname', {'key' : 'value'});
+        new grpc.Channel('hostname', insecureCreds,{'key' : 'value'});
      });
      assert.doesNotThrow(function() {
-        new grpc.Channel('hostname', {'key' : 5});
+        new grpc.Channel('hostname', insecureCreds, {'key' : 5});
      });
      assert.throws(function() {
-        new grpc.Channel('hostname', {'key' : null});
+        new grpc.Channel('hostname', insecureCreds, {'key' : null});
      });
      assert.throws(function() {
-        new grpc.Channel('hostname', {'key' : new Date()});
+        new grpc.Channel('hostname', insecureCreds, {'key' : new Date()});
      });
    });
  });
  describe('close', function() {
    it('should succeed silently', function() {
-      var channel = new grpc.Channel('hostname', {});
+      var channel = new grpc.Channel('hostname', insecureCreds, {});
      assert.doesNotThrow(function() {
        channel.close();
      });
    });
    it('should be idempotent', function() {
-      var channel = new grpc.Channel('hostname', {});
+      var channel = new grpc.Channel('hostname', insecureCreds, {});
      assert.doesNotThrow(function() {
        channel.close();
        channel.close();
@ -89,7 +102,7 @@ describe('channel', function() {
  });
  describe('getTarget', function() {
    it('should return a string', function() {
-      var channel = new grpc.Channel('localhost', {});
+      var channel = new grpc.Channel('localhost', insecureCreds, {});
      assert.strictEqual(typeof channel.getTarget(), 'string');
    });
  });
--- a/src/node/test/end_to_end_test.js
+++ b/src/node/test/end_to_end_test.js
@ -57,6 +57,8 @@ function multiDone(done, count) {
  };
 }

+var insecureCreds = grpc.Credentials.createInsecure();
+
 describe('end-to-end', function() {
  var server;
  var channel;
@ -64,7 +66,7 @@ describe('end-to-end', function() {
    server = new grpc.Server();
    var port_num = server.addHttp2Port('0.0.0.0:0');
    server.start();
-    channel = new grpc.Channel('localhost:' + port_num);
+    channel = new grpc.Channel('localhost:' + port_num, insecureCreds);
  });
  after(function() {
    server.shutdown();
--- a/src/node/test/health_test.js
+++ b/src/node/test/health_test.js
@ -56,7 +56,8 @@ describe('Health Checking', function() {
  before(function() {
    var port_num = healthServer.bind('0.0.0.0:0');
    healthServer.start();
-    healthClient = new health.Client('localhost:' + port_num);
+    healthClient = new health.Client('localhost:' + port_num,
+                                     grpc.Credentials.createInsecure());
  });
  after(function() {
    healthServer.shutdown();
--- a/src/node/test/math_client_test.js
+++ b/src/node/test/math_client_test.js
@ -53,7 +53,8 @@ describe('Math client', function() {
  before(function(done) {
    var port_num = server.bind('0.0.0.0:0');
    server.start();
-    math_client = new math.Math('localhost:' + port_num);
+    math_client = new math.Math('localhost:' + port_num,
+                                grpc.Credentials.createInsecure());
    done();
  });
  after(function() {
--- a/src/node/test/surface_test.js
+++ b/src/node/test/surface_test.js
@ -124,7 +124,7 @@ describe('Echo service', function() {
    });
    var port = server.bind('localhost:0');
    var Client = surface_client.makeProtobufClientConstructor(echo_service);
-    client = new Client('localhost:' + port);
+    client = new Client('localhost:' + port, grpc.Credentials.createInsecure());
    server.start();
  });
  after(function() {
@ -169,7 +169,8 @@ describe('Generic client and server', function() {
      var port = server.bind('localhost:0');
      server.start();
      var Client = grpc.makeGenericClientConstructor(string_service_attrs);
-      client = new Client('localhost:' + port);
+      client = new Client('localhost:' + port,
+                          grpc.Credentials.createInsecure());
    });
    after(function() {
      server.shutdown();
@ -216,7 +217,7 @@ describe('Echo metadata', function() {
    });
    var port = server.bind('localhost:0');
    var Client = surface_client.makeProtobufClientConstructor(test_service);
-    client = new Client('localhost:' + port);
+    client = new Client('localhost:' + port, grpc.Credentials.createInsecure());
    server.start();
  });
  after(function() {
@ -337,7 +338,7 @@ describe('Other conditions', function() {
    });
    port = server.bind('localhost:0');
    var Client = surface_client.makeProtobufClientConstructor(test_service);
-    client = new Client('localhost:' + port);
+    client = new Client('localhost:' + port, grpc.Credentials.createInsecure());
    server.start();
  });
  after(function() {
@ -382,7 +383,8 @@ describe('Other conditions', function() {
      };
      var Client = surface_client.makeClientConstructor(test_service_attrs,
                                                        'TestService');
-      misbehavingClient = new Client('localhost:' + port);
+      misbehavingClient = new Client('localhost:' + port,
+                                     grpc.Credentials.createInsecure());
    });
    it('should respond correctly to a unary call', function(done) {
      misbehavingClient.unary(badArg, function(err, data) {
@ -602,7 +604,7 @@ describe('Cancelling surface client', function() {
    });
    var port = server.bind('localhost:0');
    var Client = surface_client.makeProtobufClientConstructor(mathService);
-    client = new Client('localhost:' + port);
+    client = new Client('localhost:' + port, grpc.Credentials.createInsecure());
    server.start();
  });
  after(function() {
--- a/src/python/src/.gitignore
+++ b/src/python/src/.gitignore
@ -2,3 +2,7 @@ MANIFEST
 grpcio.egg-info/
 build/
 dist/
+*.egg
+*.egg/
+*.eggs/
+doc/
--- a/src/python/src/MANIFEST.in
+++ b/src/python/src/MANIFEST.in
@ -1 +1,2 @@
 graft grpc
+include commands.py
--- a/src/python/src/commands.py
+++ b/src/python/src/commands.py
@ -0,0 +1,75 @@
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Provides distutils command classes for the GRPC Python setup process."""
+
+import os
+import os.path
+import sys
+
+import setuptools
+
+_CONF_PY_ADDENDUM = """
+extensions.append('sphinx.ext.napoleon')
+napoleon_google_docstring = True
+napoleon_numpy_docstring = True
+
+html_theme = 'sphinx_rtd_theme'
+"""
+
+class SphinxDocumentation(setuptools.Command):
+  """Command to generate documentation via sphinx."""
+
+  description = ''
+  user_options = []
+
+  def initialize_options(self):
+    pass
+
+  def finalize_options(self):
+    pass
+
+  def run(self):
+    # We import here to ensure that setup.py has had a chance to install the
+    # relevant package eggs first.
+    import sphinx
+    import sphinx.apidoc
+    metadata = self.distribution.metadata
+    src_dir = os.path.join(
+        os.getcwd(), self.distribution.package_dir['grpc'])
+    sys.path.append(src_dir)
+    sphinx.apidoc.main([
+        '', '--force', '--full', '-H', metadata.name, '-A', metadata.author,
+        '-V', metadata.version, '-R', metadata.version,
+        '-o', os.path.join('doc', 'src'), src_dir])
+    conf_filepath = os.path.join('doc', 'src', 'conf.py')
+    with open(conf_filepath, 'a') as conf_file:
+      conf_file.write(_CONF_PY_ADDENDUM)
+    sphinx.main(['', os.path.join('doc', 'src'), os.path.join('doc', 'build')])
+
--- a/src/python/src/setup.cfg
+++ b/src/python/src/setup.cfg
@ -0,0 +1,2 @@
+[build_ext]
+inplace=1
--- a/src/python/src/setup.py
+++ b/src/python/src/setup.py
@ -30,11 +30,17 @@
 """A setup module for the GRPC Python package."""

 import os
+import os.path
 import sys

 from distutils import core as _core
 import setuptools

+# Ensure we're in the proper directory whether or not we're being used by pip.
+os.chdir(os.path.dirname(os.path.abspath(__file__)))
+
+# Break import-style to ensure we can actually find our commands module.
+import commands

 # Use environment variables to determine whether or not the Cython extension
 # should *use* Cython or use the generated C files. Note that this requires the
@ -98,15 +104,27 @@ _PACKAGE_DIRECTORIES = {
    'grpc.framework': 'grpc/framework',
 }

+_INSTALL_REQUIRES = (
+    'enum34==1.0.4',
+    'futures==2.2.0',
+    'protobuf==3.0.0a3'
+)
+
+_SETUP_REQUIRES = (
+    'sphinx>=1.3',
+) + _INSTALL_REQUIRES
+
+_COMMAND_CLASS = {
+    'doc': commands.SphinxDocumentation
+}
+
 setuptools.setup(
    name='grpcio',
    version='0.10.0a0',
    ext_modules=_EXTENSION_MODULES,
    packages=list(_PACKAGES),
    package_dir=_PACKAGE_DIRECTORIES,
-    install_requires=[
-        'enum34==1.0.4',
-        'futures==2.2.0',
-        'protobuf==3.0.0a3'
-    ]
+    install_requires=_INSTALL_REQUIRES,
+    setup_requires=_SETUP_REQUIRES,
+    cmdclass=_COMMAND_CLASS
 )
--- a/templates/vsprojects/grpc.sln.template
+++ b/templates/vsprojects/grpc.sln.template
@ -1,5 +1,5 @@
 <%namespace file="sln_defs.include" import="gen_solution"/>\
 <%
-solution_projects = [p for p in vsprojects if p.build != 'protoc']
+solution_projects = [p for p in vsprojects if p.build != 'protoc' and p.language in ['c', 'c++']]
 %>\
-${gen_solution(solution_projects)}
+${gen_solution(solution_projects, use_dlls='yes')}
--- a/templates/vsprojects/grpc_csharp_ext.sln.template
+++ b/templates/vsprojects/grpc_csharp_ext.sln.template
@ -0,0 +1,5 @@
+<%namespace file="sln_defs.include" import="gen_solution"/>\
+<%
+solution_projects = [p for p in vsprojects if p.build == 'all' and p.language in ['c', 'csharp']]
+%>\
+${gen_solution(solution_projects, use_dlls='only')}
--- a/templates/vsprojects/grpc_csharp_ext/grpc_csharp_ext.vcxproj.template
+++ b/templates/vsprojects/grpc_csharp_ext/grpc_csharp_ext.vcxproj.template
@ -1,2 +1,2 @@
 <%namespace file="../vcxproj_defs.include" import="gen_project"/>\
-${gen_project('grpc_csharp_ext', libs, configuration_type = 'DynamicLibrary', props = ['winsock'], packages=['openssl','zlib'])}
+${gen_project('grpc_csharp_ext', libs, configuration_type = 'DynamicLibrary', props=['zlib-dll'], packages=['openssl','zlib'])}
--- a/templates/vsprojects/sln_defs.include
+++ b/templates/vsprojects/sln_defs.include
@ -1,4 +1,4 @@
-<%def name="gen_solution(solution_projects)">\
+<%def name="gen_solution(solution_projects, use_dlls = 'no')">\
 ## Template for Visual Studio solution
 ## based on http://msdn.microsoft.com/en-us/library/bb165951(v=vs.90).aspx
 ## NOTE: tabs in this file are needed by Visual Studio to correctly interpret
@ -35,11 +35,63 @@ Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
 		Debug|x64 = Debug|x64
+% if use_dlls == 'yes':
+		Debug-DLL|Win32 = Debug-DLL|Win32
+		Debug-DLL|x64 = Debug-DLL|x64
+% endif
 		Release|Win32 = Release|Win32
 		Release|x64 = Release|x64
+% if use_dlls == 'yes':
+		Release-DLL|Win32 = Release-DLL|Win32
+		Release-DLL|x64 = Release-DLL|x64
+% endif
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 % for project in solution_projects:
+  % if use_dlls != 'only':
+		${project.vs_project_guid}.Debug|Win32.ActiveCfg = Debug|Win32
+		${project.vs_project_guid}.Debug|x64.ActiveCfg = Debug|x64
+		${project.vs_project_guid}.Release|Win32.ActiveCfg = Release|Win32
+		${project.vs_project_guid}.Release|x64.ActiveCfg = Release|x64
+    % if project.get('dll', 'no') != 'only':
+		${project.vs_project_guid}.Debug|Win32.Build.0 = Debug|Win32
+		${project.vs_project_guid}.Debug|x64.Build.0 = Debug|x64
+		${project.vs_project_guid}.Release|Win32.Build.0 = Release|Win32
+		${project.vs_project_guid}.Release|x64.Build.0 = Release|x64
+    % endif
+  % endif
+  % if use_dlls == 'yes':
+    % if project.get('dll', 'no') == 'no':
+		${project.vs_project_guid}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		${project.vs_project_guid}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		${project.vs_project_guid}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		${project.vs_project_guid}.Debug-DLL|x64.Build.0 = Debug|x64
+		${project.vs_project_guid}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		${project.vs_project_guid}.Release-DLL|Win32.Build.0 = Release|Win32
+		${project.vs_project_guid}.Release-DLL|x64.ActiveCfg = Release|x64
+		${project.vs_project_guid}.Release-DLL|x64.Build.0 = Release|x64
+    % else:
+		${project.vs_project_guid}.Debug-DLL|Win32.ActiveCfg = Debug-DLL|Win32
+		${project.vs_project_guid}.Debug-DLL|Win32.Build.0 = Debug-DLL|Win32
+		${project.vs_project_guid}.Debug-DLL|x64.ActiveCfg = Debug-DLL|x64
+		${project.vs_project_guid}.Debug-DLL|x64.Build.0 = Debug-DLL|x64
+		${project.vs_project_guid}.Release-DLL|Win32.ActiveCfg = Release-DLL|Win32
+		${project.vs_project_guid}.Release-DLL|Win32.Build.0 = Release-DLL|Win32
+		${project.vs_project_guid}.Release-DLL|x64.ActiveCfg = Release-DLL|x64
+		${project.vs_project_guid}.Release-DLL|x64.Build.0 = Release-DLL|x64
+    % endif
+  % endif
+  % if use_dlls == 'only':
+    % if project.get('dll', 'no') == 'yes':
+		${project.vs_project_guid}.Debug|Win32.ActiveCfg = Debug-DLL|Win32
+		${project.vs_project_guid}.Debug|Win32.Build.0 = Debug-DLL|Win32
+		${project.vs_project_guid}.Debug|x64.ActiveCfg = Debug-DLL|x64
+		${project.vs_project_guid}.Debug|x64.Build.0 = Debug-DLL|x64
+		${project.vs_project_guid}.Release|Win32.ActiveCfg = Release-DLL|Win32
+		${project.vs_project_guid}.Release|Win32.Build.0 = Release-DLL|Win32
+		${project.vs_project_guid}.Release|x64.ActiveCfg = Release-DLL|x64
+		${project.vs_project_guid}.Release|x64.Build.0 = Release-DLL|x64
+    % else:
 		${project.vs_project_guid}.Debug|Win32.ActiveCfg = Debug|Win32
 		${project.vs_project_guid}.Debug|Win32.Build.0 = Debug|Win32
 		${project.vs_project_guid}.Debug|x64.ActiveCfg = Debug|x64
@ -48,6 +100,8 @@ Global
 		${project.vs_project_guid}.Release|Win32.Build.0 = Release|Win32
 		${project.vs_project_guid}.Release|x64.ActiveCfg = Release|x64
 		${project.vs_project_guid}.Release|x64.Build.0 = Release|x64
+    % endif
+  % endif
 % endfor
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
--- a/templates/vsprojects/vcxproj_defs.include
+++ b/templates/vsprojects/vcxproj_defs.include
@ -22,17 +22,37 @@
  if target.build == 'test' and target.language == 'c++':
    props.extend(['cpptest'])
  if configuration_type == 'Application':
-    print target.build
    if target.build == 'protoc':
      props.extend(['protoc'])
    else:
      props.extend(['winsock', 'protobuf', 'zlib', 'openssl'])
+  else:
+    props.extend(['winsock'])
  props.extend(['global'])
+  dll = project.get('dll', 'no')
 %>\
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
 ${gen_package_props(packages)}\
  <ItemGroup Label="ProjectConfigurations">
+% if dll == 'yes':
+    <ProjectConfiguration Include="Debug-DLL|Win32">
+      <Configuration>Debug-DLL</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug-DLL|x64">
+      <Configuration>Debug-DLL</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release-DLL|Win32">
+      <Configuration>Release-DLL</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release-DLL|x64">
+      <Configuration>Release-DLL</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+% endif
    <ProjectConfiguration Include="Debug|Win32">
      <Configuration>Debug</Configuration>
      <Platform>Win32</Platform>
@ -63,57 +83,41 @@ ${gen_package_props(packages)}\
  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
    <PlatformToolset>v120</PlatformToolset>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
    <ConfigurationType>${configuration_type}</ConfigurationType>
    <UseDebugLibraries>true</UseDebugLibraries>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
    <ConfigurationType>${configuration_type}</ConfigurationType>
-    <UseDebugLibraries>true</UseDebugLibraries>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+% if dll == 'yes':
+  <PropertyGroup Condition="'$(Configuration)'=='Debug-DLL'" Label="Configuration">
    <ConfigurationType>${configuration_type}</ConfigurationType>
-    <UseDebugLibraries>false</UseDebugLibraries>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <UseDebugLibraries>true</UseDebugLibraries>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Release-DLL'" Label="Configuration">
    <ConfigurationType>${configuration_type}</ConfigurationType>
    <UseDebugLibraries>false</UseDebugLibraries>
    <WholeProgramOptimization>true</WholeProgramOptimization>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
+% endif
  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
  <ImportGroup Label="ExtensionSettings">
  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    % for prop in props:
-    <Import Project="..\${prop}.props" />
-    % endfor
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    % for prop in props:
-    <Import Project="..\${prop}.props" />
-    % endfor
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    % for prop in props:
-    <Import Project="..\${prop}.props" />
-    % endfor
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <ImportGroup Label="PropertySheets">
    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
    % for prop in props:
    <Import Project="..\${prop}.props" />
    % endfor
  </ImportGroup>
  <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
    <TargetName>${name}</TargetName>
    % if "zlib" in packages:
    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
@ -123,15 +127,82 @@ ${gen_package_props(packages)}\
    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
    % endif
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <TargetName>${name}</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <TargetName>${name}</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
    <TargetName>${name}</TargetName>
+    % if "zlib" in packages:
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    % endif
+    % if "openssl" in packages:
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+    % endif
  </PropertyGroup>
+  % if dll == 'yes':
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug-DLL|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>${get_subsystem(project.is_library)}</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug-DLL|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>${get_subsystem(project.is_library)}</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release-DLL|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>${get_subsystem(project.is_library)}</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release-DLL|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>${get_subsystem(project.is_library)}</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+  % endif
  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
    <ClCompile>
      <PrecompiledHeader>NotUsing</PrecompiledHeader>
@ -139,6 +210,7 @@ ${gen_package_props(packages)}\
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>${get_subsystem(project.is_library)}</SubSystem>
@ -152,6 +224,7 @@ ${gen_package_props(packages)}\
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>${get_subsystem(project.is_library)}</SubSystem>
@ -167,6 +240,7 @@ ${gen_package_props(packages)}\
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>${get_subsystem(project.is_library)}</SubSystem>
@ -184,6 +258,7 @@ ${gen_package_props(packages)}\
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>${get_subsystem(project.is_library)}</SubSystem>
--- a/test/core/security/oauth2_utils.c
+++ b/test/core/security/oauth2_utils.c
@ -84,7 +84,7 @@ char *grpc_test_fetch_oauth2_token_with_credentials(grpc_credentials *creds) {

  gpr_mu_lock(GRPC_POLLSET_MU(&request.pollset));
  while (!request.is_done)
-    grpc_pollset_work(&request.pollset, gpr_inf_future(GPR_CLOCK_REALTIME));
+    grpc_pollset_work(&request.pollset, gpr_inf_future(GPR_CLOCK_MONOTONIC));
  gpr_mu_unlock(GRPC_POLLSET_MU(&request.pollset));

  grpc_pollset_shutdown(&request.pollset, do_nothing, NULL);
--- a/test/cpp/qps/qps_test.cc
+++ b/test/cpp/qps/qps_test.cc
@ -53,8 +53,8 @@ static void RunQPS() {
  ClientConfig client_config;
  client_config.set_client_type(ASYNC_CLIENT);
  client_config.set_enable_ssl(false);
-  client_config.set_outstanding_rpcs_per_channel(10);
-  client_config.set_client_channels(800);
+  client_config.set_outstanding_rpcs_per_channel(1000);
+  client_config.set_client_channels(8);
  client_config.set_payload_size(1);
  client_config.set_async_client_threads(8);
  client_config.set_rpc_type(UNARY);
--- a/tools/distrib/python/.gitignore
+++ b/tools/distrib/python/.gitignore
@ -0,0 +1 @@
+distrib_virtualenv/
--- a/tools/distrib/python/docgen.py
+++ b/tools/distrib/python/docgen.py
@ -0,0 +1,113 @@
+#!/usr/bin/env python
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import argparse
+import os
+import os.path
+import shutil
+import subprocess
+import tempfile
+
+parser = argparse.ArgumentParser()
+parser.add_argument('--config', metavar='c', type=str, nargs=1,
+                    help='GRPC/GPR libraries build configuration',
+                    default='opt')
+parser.add_argument('--submit', action='store_true')
+parser.add_argument('--gh-user', type=str, help='GitHub user to push as.')
+parser.add_argument('--gh-repo-owner', type=str,
+                    help=('Owner of the GitHub repository to be pushed; '
+                          'defaults to --gh-user.'))
+parser.add_argument('--doc-branch', type=str)
+args = parser.parse_args()
+
+SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
+PROJECT_ROOT = os.path.abspath(os.path.join(SCRIPT_DIR, '..', '..', '..'))
+
+CONFIG = args.config
+SETUP_PATH = os.path.join(PROJECT_ROOT, 'src/python/src/setup.py')
+DOC_PATH = os.path.join(PROJECT_ROOT, 'src/python/src/doc/build')
+INCLUDE_PATH = os.path.join(PROJECT_ROOT, 'include')
+LIBRARY_PATH = os.path.join(PROJECT_ROOT, 'libs/{}'.format(CONFIG))
+VIRTUALENV_DIR = os.path.join(SCRIPT_DIR, 'distrib_virtualenv')
+VIRTUALENV_PYTHON_PATH = os.path.join(VIRTUALENV_DIR, 'bin', 'python')
+
+environment = os.environ.copy()
+environment.update({
+    'CONFIG': CONFIG,
+    'CFLAGS': '-I{}'.format(INCLUDE_PATH),
+    'LDFLAGS': '-L{}'.format(LIBRARY_PATH),
+    'LD_LIBRARY_PATH': LIBRARY_PATH
+})
+
+subprocess_arguments_list = [
+    {'args': ['make'], 'cwd': PROJECT_ROOT},
+    {'args': ['virtualenv', VIRTUALENV_DIR], 'env': environment},
+    {'args': [VIRTUALENV_PYTHON_PATH, SETUP_PATH, 'build'], 'env': environment},
+    {'args': [VIRTUALENV_PYTHON_PATH, SETUP_PATH, 'doc'], 'env': environment},
+]
+
+for subprocess_arguments in subprocess_arguments_list:
+  subprocess.check_call(**subprocess_arguments)
+
+if args.submit:
+  assert args.gh_user
+  assert args.doc_branch
+  github_user = args.gh_user
+  github_repository_owner = (
+      args.gh_repo_owner if args.gh_repo_owner else gh_user)
+  # Create a temporary directory out of tree, checkout gh-pages from the
+  # specified repository, edit it, and push it. It's up to the user to then go
+  # onto GitHub and make a PR against grpc/grpc:gh-pages.
+  repo_parent_dir = tempfile.mkdtemp()
+  repo_dir = os.path.join(repo_parent_dir, 'grpc')
+  python_doc_dir = os.path.join(repo_dir, 'python')
+  doc_branch = args.doc_branch
+
+  subprocess.check_call([
+          'git', 'clone', 'https://{}@github.com/{}/grpc'.format(
+              github_user, github_repository_owner)
+      ], cwd=repo_parent_dir)
+  subprocess.check_call([
+          'git', 'remote', 'add', 'upstream', 'https://github.com/grpc/grpc'
+      ], cwd=repo_dir)
+  subprocess.check_call(['git', 'fetch', 'upstream'], cwd=repo_dir)
+  subprocess.check_call([
+          'git', 'checkout', 'upstream/gh-pages', '-b', doc_branch
+      ], cwd=repo_dir)
+  shutil.rmtree(python_doc_dir, ignore_errors=True)
+  shutil.copytree(DOC_PATH, python_doc_dir)
+  subprocess.check_call(['git', 'add', '--all'], cwd=repo_dir)
+  subprocess.check_call([
+          'git', 'commit', '-m', 'Auto-update Python documentation'
+      ], cwd=repo_dir)
+  subprocess.check_call([
+          'git', 'push', '--set-upstream', 'origin', doc_branch
+      ], cwd=repo_dir)
+  shutil.rmtree(repo_parent_dir)
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@ -784,7 +784,6 @@ src/core/tsi/fake_transport_security.h \
 src/core/tsi/ssl_transport_security.h \
 src/core/tsi/transport_security.h \
 src/core/tsi/transport_security_interface.h \
-src/core/census/grpc_context.h \
 src/core/channel/census_filter.h \
 src/core/channel/channel_args.h \
 src/core/channel/channel_stack.h \
--- a/tools/run_tests/build_ruby.sh
+++ b/tools/run_tests/build_ruby.sh
@ -36,5 +36,7 @@ export GRPC_CONFIG=${CONFIG:-opt}
 # change to grpc's ruby directory
 cd $(dirname $0)/../../src/ruby

+rm -rf ./tmp
+
 bundle install
 rake compile:grpc
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@ -253,7 +253,7 @@ class RubyLanguage(object):
                            environ=_FORCE_ENVIRON_FOR_WRAPPERS)]

  def make_targets(self):
-    return ['run_dep_checks']
+    return ['static_c']

  def build_steps(self):
    return [['tools/run_tests/build_ruby.sh']]
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@ -10926,7 +10926,6 @@
      "include/grpc/grpc_security.h", 
      "include/grpc/status.h", 
      "src/core/census/context.h", 
-      "src/core/census/grpc_context.h", 
      "src/core/census/rpc_stat_id.h", 
      "src/core/channel/census_filter.h", 
      "src/core/channel/channel_args.h", 
@ -11056,7 +11055,6 @@
      "src/core/census/context.c", 
      "src/core/census/context.h", 
      "src/core/census/grpc_context.c", 
-      "src/core/census/grpc_context.h", 
      "src/core/census/initialize.c", 
      "src/core/census/record_stat.c", 
      "src/core/census/rpc_stat_id.h", 
@ -11398,7 +11396,6 @@
      "include/grpc/grpc.h", 
      "include/grpc/status.h", 
      "src/core/census/context.h", 
-      "src/core/census/grpc_context.h", 
      "src/core/census/rpc_stat_id.h", 
      "src/core/channel/census_filter.h", 
      "src/core/channel/channel_args.h", 
@ -11510,7 +11507,6 @@
      "src/core/census/context.c", 
      "src/core/census/context.h", 
      "src/core/census/grpc_context.c", 
-      "src/core/census/grpc_context.h", 
      "src/core/census/initialize.c", 
      "src/core/census/record_stat.c", 
      "src/core/census/rpc_stat_id.h", 
--- a/vsprojects/gpr/gpr.vcxproj
+++ b/vsprojects/gpr/gpr.vcxproj
@ -31,23 +31,12 @@
  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
    <PlatformToolset>v120</PlatformToolset>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
    <ConfigurationType>StaticLibrary</ConfigurationType>
    <UseDebugLibraries>true</UseDebugLibraries>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
-    <ConfigurationType>StaticLibrary</ConfigurationType>
-    <UseDebugLibraries>true</UseDebugLibraries>
-    <CharacterSet>Unicode</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
-    <ConfigurationType>StaticLibrary</ConfigurationType>
-    <UseDebugLibraries>false</UseDebugLibraries>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
-    <CharacterSet>Unicode</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
    <ConfigurationType>StaticLibrary</ConfigurationType>
    <UseDebugLibraries>false</UseDebugLibraries>
    <WholeProgramOptimization>true</WholeProgramOptimization>
@ -56,33 +45,16 @@
  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
  <ImportGroup Label="ExtensionSettings">
  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <ImportGroup Label="PropertySheets">
    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="..\winsock.props" />
    <Import Project="..\global.props" />
  </ImportGroup>
  <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <TargetName>gpr</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <TargetName>gpr</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
    <TargetName>gpr</TargetName>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
    <TargetName>gpr</TargetName>
  </PropertyGroup>
  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
@ -92,6 +64,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -105,6 +78,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -120,6 +94,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -137,6 +112,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
--- a/vsprojects/gpr_test_util/gpr_test_util.vcxproj
+++ b/vsprojects/gpr_test_util/gpr_test_util.vcxproj
@ -31,23 +31,12 @@
  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
    <PlatformToolset>v120</PlatformToolset>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
    <ConfigurationType>StaticLibrary</ConfigurationType>
    <UseDebugLibraries>true</UseDebugLibraries>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
-    <ConfigurationType>StaticLibrary</ConfigurationType>
-    <UseDebugLibraries>true</UseDebugLibraries>
-    <CharacterSet>Unicode</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
-    <ConfigurationType>StaticLibrary</ConfigurationType>
-    <UseDebugLibraries>false</UseDebugLibraries>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
-    <CharacterSet>Unicode</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
    <ConfigurationType>StaticLibrary</ConfigurationType>
    <UseDebugLibraries>false</UseDebugLibraries>
    <WholeProgramOptimization>true</WholeProgramOptimization>
@ -56,33 +45,16 @@
  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
  <ImportGroup Label="ExtensionSettings">
  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <ImportGroup Label="PropertySheets">
    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="..\winsock.props" />
    <Import Project="..\global.props" />
  </ImportGroup>
  <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <TargetName>gpr_test_util</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <TargetName>gpr_test_util</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
    <TargetName>gpr_test_util</TargetName>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
    <TargetName>gpr_test_util</TargetName>
  </PropertyGroup>
  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
@ -92,6 +64,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -105,6 +78,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -120,6 +94,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -137,6 +112,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
--- a/vsprojects/grpc++/grpc++.vcxproj
+++ b/vsprojects/grpc++/grpc++.vcxproj
@ -1,6 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug-DLL|Win32">
+      <Configuration>Debug-DLL</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug-DLL|x64">
+      <Configuration>Debug-DLL</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release-DLL|Win32">
+      <Configuration>Release-DLL</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release-DLL|x64">
+      <Configuration>Release-DLL</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
    <ProjectConfiguration Include="Debug|Win32">
      <Configuration>Debug</Configuration>
      <Platform>Win32</Platform>
@ -31,23 +47,23 @@
  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
    <PlatformToolset>v120</PlatformToolset>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
    <ConfigurationType>StaticLibrary</ConfigurationType>
    <UseDebugLibraries>true</UseDebugLibraries>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
    <ConfigurationType>StaticLibrary</ConfigurationType>
-    <UseDebugLibraries>true</UseDebugLibraries>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug-DLL'" Label="Configuration">
    <ConfigurationType>StaticLibrary</ConfigurationType>
-    <UseDebugLibraries>false</UseDebugLibraries>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <UseDebugLibraries>true</UseDebugLibraries>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Release-DLL'" Label="Configuration">
    <ConfigurationType>StaticLibrary</ConfigurationType>
    <UseDebugLibraries>false</UseDebugLibraries>
    <WholeProgramOptimization>true</WholeProgramOptimization>
@ -56,35 +72,82 @@
  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
  <ImportGroup Label="ExtensionSettings">
  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <ImportGroup Label="PropertySheets">
    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="..\winsock.props" />
    <Import Project="..\global.props" />
  </ImportGroup>
  <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <TargetName>grpc++</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <TargetName>grpc++</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
    <TargetName>grpc++</TargetName>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
    <TargetName>grpc++</TargetName>
  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug-DLL|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug-DLL|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release-DLL|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release-DLL|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
    <ClCompile>
      <PrecompiledHeader>NotUsing</PrecompiledHeader>
@ -92,6 +155,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -105,6 +169,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -120,6 +185,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -137,6 +203,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
--- a/vsprojects/grpc++_unsecure/grpc++_unsecure.vcxproj
+++ b/vsprojects/grpc++_unsecure/grpc++_unsecure.vcxproj
@ -1,6 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug-DLL|Win32">
+      <Configuration>Debug-DLL</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug-DLL|x64">
+      <Configuration>Debug-DLL</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release-DLL|Win32">
+      <Configuration>Release-DLL</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release-DLL|x64">
+      <Configuration>Release-DLL</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
    <ProjectConfiguration Include="Debug|Win32">
      <Configuration>Debug</Configuration>
      <Platform>Win32</Platform>
@ -31,23 +47,23 @@
  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
    <PlatformToolset>v120</PlatformToolset>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
    <ConfigurationType>StaticLibrary</ConfigurationType>
    <UseDebugLibraries>true</UseDebugLibraries>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
    <ConfigurationType>StaticLibrary</ConfigurationType>
-    <UseDebugLibraries>true</UseDebugLibraries>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug-DLL'" Label="Configuration">
    <ConfigurationType>StaticLibrary</ConfigurationType>
-    <UseDebugLibraries>false</UseDebugLibraries>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <UseDebugLibraries>true</UseDebugLibraries>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Release-DLL'" Label="Configuration">
    <ConfigurationType>StaticLibrary</ConfigurationType>
    <UseDebugLibraries>false</UseDebugLibraries>
    <WholeProgramOptimization>true</WholeProgramOptimization>
@ -56,35 +72,82 @@
  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
  <ImportGroup Label="ExtensionSettings">
  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <ImportGroup Label="PropertySheets">
    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="..\winsock.props" />
    <Import Project="..\global.props" />
  </ImportGroup>
  <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <TargetName>grpc++_unsecure</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <TargetName>grpc++_unsecure</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
    <TargetName>grpc++_unsecure</TargetName>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
    <TargetName>grpc++_unsecure</TargetName>
  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug-DLL|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug-DLL|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release-DLL|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release-DLL|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
    <ClCompile>
      <PrecompiledHeader>NotUsing</PrecompiledHeader>
@ -92,6 +155,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -105,6 +169,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -120,6 +185,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -137,6 +203,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
--- a/vsprojects/grpc.sln
+++ b/vsprojects/grpc.sln
@ -70,95 +70,146 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc++_unsecure", "grpc++_u
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_csharp_ext", "grpc_csharp_ext\grpc_csharp_ext.vcxproj", "{D64C6D63-4458-4A88-AB38-35678384A7E4}"
-	ProjectSection(myProperties) = preProject
-        	lib = "True"
-	EndProjectSection
-	ProjectSection(ProjectDependencies) = postProject
-		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
-		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
-	EndProjectSection
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
 		Debug|x64 = Debug|x64
+		Debug-DLL|Win32 = Debug-DLL|Win32
+		Debug-DLL|x64 = Debug-DLL|x64
 		Release|Win32 = Release|Win32
 		Release|x64 = Release|x64
+		Release-DLL|Win32 = Release-DLL|Win32
+		Release-DLL|x64 = Release-DLL|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Debug|Win32.ActiveCfg = Debug|Win32
-		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Debug|Win32.Build.0 = Debug|Win32
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Debug|x64.ActiveCfg = Debug|x64
-		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Debug|x64.Build.0 = Debug|x64
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Release|Win32.ActiveCfg = Release|Win32
-		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Release|Win32.Build.0 = Release|Win32
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Release|x64.ActiveCfg = Release|x64
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Debug|Win32.Build.0 = Debug|Win32
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Debug|x64.Build.0 = Debug|x64
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Release|Win32.Build.0 = Release|Win32
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Release|x64.Build.0 = Release|x64
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Debug-DLL|x64.Build.0 = Debug|x64
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Release-DLL|Win32.Build.0 = Release|Win32
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Release-DLL|x64.ActiveCfg = Release|x64
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Release-DLL|x64.Build.0 = Release|x64
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037}.Debug|Win32.ActiveCfg = Debug|Win32
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 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037}.Debug|x64.ActiveCfg = Debug|x64
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 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037}.Release|x64.ActiveCfg = Release|x64
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037}.Debug|Win32.Build.0 = Debug|Win32
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037}.Debug|x64.Build.0 = Debug|x64
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037}.Release|Win32.Build.0 = Release|Win32
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037}.Release|x64.Build.0 = Release|x64
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037}.Debug-DLL|x64.Build.0 = Debug|x64
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+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037}.Release-DLL|Win32.Build.0 = Release|Win32
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037}.Release-DLL|x64.ActiveCfg = Release|x64
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 		{29D16885-7228-4C31-81ED-5F9187C7F2A9}.Debug|Win32.ActiveCfg = Debug|Win32
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 		{29D16885-7228-4C31-81ED-5F9187C7F2A9}.Release|x64.ActiveCfg = Release|x64
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 		{29D16885-7228-4C31-81ED-5F9187C7F2A9}.Release|x64.Build.0 = Release|x64
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 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}.Debug|Win32.ActiveCfg = Debug|Win32
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 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}.Release|x64.ActiveCfg = Release|x64
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}.Debug|Win32.Build.0 = Debug|Win32
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 		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}.Release|x64.Build.0 = Release|x64
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 		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}.Debug|Win32.ActiveCfg = Debug|Win32
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 		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}.Release|x64.ActiveCfg = Release|x64
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}.Debug|Win32.Build.0 = Debug|Win32
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}.Debug|x64.Build.0 = Debug|x64
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 		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}.Release|x64.Build.0 = Release|x64
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--- a/vsprojects/grpc/grpc.vcxproj
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  <ItemGroup Label="ProjectConfigurations">
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  <PropertyGroup Label="UserMacros" />
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-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
    <TargetName>grpc</TargetName>
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    <Link>
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@ -109,6 +176,7 @@
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      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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    <Link>
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@ -141,6 +210,7 @@
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    <Link>
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@ -176,7 +246,6 @@
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--- a/vsprojects/grpc/grpc.vcxproj.filters
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      <Filter>src\core\channel</Filter>
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--- a/vsprojects/grpc_cpp_plugin/grpc_cpp_plugin.vcxproj
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@ -31,23 +31,12 @@
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  </PropertyGroup>
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      <SubSystem>Console</SubSystem>
--- a/vsprojects/grpc_csharp_ext.sln
+++ b/vsprojects/grpc_csharp_ext.sln
@ -0,0 +1,80 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2013
+VisualStudioVersion = 12.0.21005.1
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gpr", "gpr\gpr.vcxproj", "{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}"
+	ProjectSection(myProperties) = preProject
+        	lib = "True"
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc", "grpc\grpc.vcxproj", "{29D16885-7228-4C31-81ED-5F9187C7F2A9}"
+	ProjectSection(myProperties) = preProject
+        	lib = "True"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_unsecure", "grpc_unsecure\grpc_unsecure.vcxproj", "{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}"
+	ProjectSection(myProperties) = preProject
+        	lib = "True"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_csharp_ext", "grpc_csharp_ext\grpc_csharp_ext.vcxproj", "{D64C6D63-4458-4A88-AB38-35678384A7E4}"
+	ProjectSection(myProperties) = preProject
+        	lib = "True"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+	EndProjectSection
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+		Debug|x64 = Debug|x64
+		Release|Win32 = Release|Win32
+		Release|x64 = Release|x64
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Debug|Win32.ActiveCfg = Debug|Win32
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Debug|Win32.Build.0 = Debug|Win32
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Debug|x64.ActiveCfg = Debug|x64
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Debug|x64.Build.0 = Debug|x64
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Release|Win32.ActiveCfg = Release|Win32
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Release|Win32.Build.0 = Release|Win32
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Release|x64.ActiveCfg = Release|x64
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}.Release|x64.Build.0 = Release|x64
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9}.Debug|Win32.ActiveCfg = Debug-DLL|Win32
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9}.Debug|Win32.Build.0 = Debug-DLL|Win32
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9}.Debug|x64.ActiveCfg = Debug-DLL|x64
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9}.Debug|x64.Build.0 = Debug-DLL|x64
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9}.Release|Win32.ActiveCfg = Release-DLL|Win32
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9}.Release|Win32.Build.0 = Release-DLL|Win32
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9}.Release|x64.ActiveCfg = Release-DLL|x64
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9}.Release|x64.Build.0 = Release-DLL|x64
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Debug|Win32.ActiveCfg = Debug-DLL|Win32
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Debug|Win32.Build.0 = Debug-DLL|Win32
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Debug|x64.ActiveCfg = Debug-DLL|x64
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Debug|x64.Build.0 = Debug-DLL|x64
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Release|Win32.ActiveCfg = Release-DLL|Win32
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Release|Win32.Build.0 = Release-DLL|Win32
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Release|x64.ActiveCfg = Release-DLL|x64
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Release|x64.Build.0 = Release-DLL|x64
+		{D64C6D63-4458-4A88-AB38-35678384A7E4}.Debug|Win32.ActiveCfg = Debug|Win32
+		{D64C6D63-4458-4A88-AB38-35678384A7E4}.Debug|Win32.Build.0 = Debug|Win32
+		{D64C6D63-4458-4A88-AB38-35678384A7E4}.Debug|x64.ActiveCfg = Debug|x64
+		{D64C6D63-4458-4A88-AB38-35678384A7E4}.Debug|x64.Build.0 = Debug|x64
+		{D64C6D63-4458-4A88-AB38-35678384A7E4}.Release|Win32.ActiveCfg = Release|Win32
+		{D64C6D63-4458-4A88-AB38-35678384A7E4}.Release|Win32.Build.0 = Release|Win32
+		{D64C6D63-4458-4A88-AB38-35678384A7E4}.Release|x64.ActiveCfg = Release|x64
+		{D64C6D63-4458-4A88-AB38-35678384A7E4}.Release|x64.Build.0 = Release|x64
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal
--- a/vsprojects/grpc_csharp_ext/grpc_csharp_ext.vcxproj
+++ b/vsprojects/grpc_csharp_ext/grpc_csharp_ext.vcxproj
@ -32,23 +32,12 @@
  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
    <PlatformToolset>v120</PlatformToolset>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
    <ConfigurationType>DynamicLibrary</ConfigurationType>
    <UseDebugLibraries>true</UseDebugLibraries>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
-    <ConfigurationType>DynamicLibrary</ConfigurationType>
-    <UseDebugLibraries>true</UseDebugLibraries>
-    <CharacterSet>Unicode</CharacterSet>
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-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
-    <ConfigurationType>DynamicLibrary</ConfigurationType>
-    <UseDebugLibraries>false</UseDebugLibraries>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
-    <CharacterSet>Unicode</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
    <ConfigurationType>DynamicLibrary</ConfigurationType>
    <UseDebugLibraries>false</UseDebugLibraries>
    <WholeProgramOptimization>true</WholeProgramOptimization>
@ -57,41 +46,24 @@
  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
  <ImportGroup Label="ExtensionSettings">
  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\winsock.props" />
-    <Import Project="..\global.props" />
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-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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-    <Import Project="..\winsock.props" />
-    <Import Project="..\global.props" />
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-    <Import Project="..\winsock.props" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <ImportGroup Label="PropertySheets">
    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="..\zlib-dll.props" />
    <Import Project="..\winsock.props" />
    <Import Project="..\global.props" />
  </ImportGroup>
  <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
    <TargetName>grpc_csharp_ext</TargetName>
    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <TargetName>grpc_csharp_ext</TargetName>
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-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <TargetName>grpc_csharp_ext</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
    <TargetName>grpc_csharp_ext</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
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  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
    <ClCompile>
@ -100,6 +72,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -113,6 +86,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -128,6 +102,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -145,6 +120,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
--- a/vsprojects/grpc_csharp_plugin/grpc_csharp_plugin.vcxproj
+++ b/vsprojects/grpc_csharp_plugin/grpc_csharp_plugin.vcxproj
@ -31,23 +31,12 @@
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    <PlatformToolset>v120</PlatformToolset>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
    <ConfigurationType>Application</ConfigurationType>
    <UseDebugLibraries>true</UseDebugLibraries>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
-    <UseDebugLibraries>true</UseDebugLibraries>
-    <CharacterSet>Unicode</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
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-    <WholeProgramOptimization>true</WholeProgramOptimization>
-    <CharacterSet>Unicode</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
    <ConfigurationType>Application</ConfigurationType>
    <UseDebugLibraries>false</UseDebugLibraries>
    <WholeProgramOptimization>true</WholeProgramOptimization>
@ -56,37 +45,16 @@
  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
  <ImportGroup Label="ExtensionSettings">
  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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-    <Import Project="..\protoc.props" />
-    <Import Project="..\global.props" />
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-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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-    <Import Project="..\protoc.props" />
-    <Import Project="..\global.props" />
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-    <Import Project="..\protoc.props" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <ImportGroup Label="PropertySheets">
    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
    <Import Project="..\protoc.props" />
    <Import Project="..\global.props" />
  </ImportGroup>
  <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <TargetName>grpc_csharp_plugin</TargetName>
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-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <TargetName>grpc_csharp_plugin</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
    <TargetName>grpc_csharp_plugin</TargetName>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
    <TargetName>grpc_csharp_plugin</TargetName>
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  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
@ -96,6 +64,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Console</SubSystem>
@ -109,6 +78,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Console</SubSystem>
@ -124,6 +94,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
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    <Link>
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@ -141,6 +112,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
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    <Link>
      <SubSystem>Console</SubSystem>
--- a/vsprojects/grpc_objective_c_plugin/grpc_objective_c_plugin.vcxproj
+++ b/vsprojects/grpc_objective_c_plugin/grpc_objective_c_plugin.vcxproj
@ -31,23 +31,12 @@
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    <PlatformToolset>v120</PlatformToolset>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
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    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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-    <WholeProgramOptimization>true</WholeProgramOptimization>
-    <CharacterSet>Unicode</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
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    <WholeProgramOptimization>true</WholeProgramOptimization>
@ -56,37 +45,16 @@
  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
  <ImportGroup Label="ExtensionSettings">
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-    <Import Project="..\protoc.props" />
-    <Import Project="..\global.props" />
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-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <ImportGroup Label="PropertySheets">
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  <PropertyGroup Label="UserMacros" />
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-    <TargetName>grpc_objective_c_plugin</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
    <TargetName>grpc_objective_c_plugin</TargetName>
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-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
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    <Link>
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@ -109,6 +78,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
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    <Link>
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@ -124,6 +94,7 @@
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      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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@ -141,6 +112,7 @@
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      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
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--- a/vsprojects/grpc_plugin_support/grpc_plugin_support.vcxproj
+++ b/vsprojects/grpc_plugin_support/grpc_plugin_support.vcxproj
@ -31,23 +31,12 @@
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    <PlatformToolset>v120</PlatformToolset>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
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    <CharacterSet>Unicode</CharacterSet>
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-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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-    <WholeProgramOptimization>true</WholeProgramOptimization>
-    <CharacterSet>Unicode</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
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@ -56,33 +45,16 @@
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-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <ImportGroup Label="PropertySheets">
    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="..\winsock.props" />
    <Import Project="..\global.props" />
  </ImportGroup>
  <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <TargetName>grpc_plugin_support</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <TargetName>grpc_plugin_support</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
    <TargetName>grpc_plugin_support</TargetName>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
    <TargetName>grpc_plugin_support</TargetName>
  </PropertyGroup>
  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
@ -92,6 +64,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -105,6 +78,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -120,6 +94,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -137,6 +112,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
--- a/vsprojects/grpc_protoc_plugins.sln
+++ b/vsprojects/grpc_protoc_plugins.sln
@ -57,52 +57,52 @@ Global
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
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-		{B6E81D84-2ACB-41B8-8781-493A944C7817}.Debug|Win32.Build.0 = Debug|Win32
 		{B6E81D84-2ACB-41B8-8781-493A944C7817}.Debug|x64.ActiveCfg = Debug|x64
-		{B6E81D84-2ACB-41B8-8781-493A944C7817}.Debug|x64.Build.0 = Debug|x64
 		{B6E81D84-2ACB-41B8-8781-493A944C7817}.Release|Win32.ActiveCfg = Release|Win32
-		{B6E81D84-2ACB-41B8-8781-493A944C7817}.Release|Win32.Build.0 = Release|Win32
 		{B6E81D84-2ACB-41B8-8781-493A944C7817}.Release|x64.ActiveCfg = Release|x64
+		{B6E81D84-2ACB-41B8-8781-493A944C7817}.Debug|Win32.Build.0 = Debug|Win32
+		{B6E81D84-2ACB-41B8-8781-493A944C7817}.Debug|x64.Build.0 = Debug|x64
+		{B6E81D84-2ACB-41B8-8781-493A944C7817}.Release|Win32.Build.0 = Release|Win32
 		{B6E81D84-2ACB-41B8-8781-493A944C7817}.Release|x64.Build.0 = Release|x64
 		{7E51A25F-AC59-488F-906C-C60FAAE706AA}.Debug|Win32.ActiveCfg = Debug|Win32
-		{7E51A25F-AC59-488F-906C-C60FAAE706AA}.Debug|Win32.Build.0 = Debug|Win32
 		{7E51A25F-AC59-488F-906C-C60FAAE706AA}.Debug|x64.ActiveCfg = Debug|x64
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 		{7E51A25F-AC59-488F-906C-C60FAAE706AA}.Release|Win32.ActiveCfg = Release|Win32
-		{7E51A25F-AC59-488F-906C-C60FAAE706AA}.Release|Win32.Build.0 = Release|Win32
 		{7E51A25F-AC59-488F-906C-C60FAAE706AA}.Release|x64.ActiveCfg = Release|x64
+		{7E51A25F-AC59-488F-906C-C60FAAE706AA}.Debug|Win32.Build.0 = Debug|Win32
+		{7E51A25F-AC59-488F-906C-C60FAAE706AA}.Debug|x64.Build.0 = Debug|x64
+		{7E51A25F-AC59-488F-906C-C60FAAE706AA}.Release|Win32.Build.0 = Release|Win32
 		{7E51A25F-AC59-488F-906C-C60FAAE706AA}.Release|x64.Build.0 = Release|x64
 		{3C813052-A49A-4662-B90A-1ADBEC7EE453}.Debug|Win32.ActiveCfg = Debug|Win32
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 		{3C813052-A49A-4662-B90A-1ADBEC7EE453}.Debug|x64.ActiveCfg = Debug|x64
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 		{3C813052-A49A-4662-B90A-1ADBEC7EE453}.Release|Win32.ActiveCfg = Release|Win32
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 		{3C813052-A49A-4662-B90A-1ADBEC7EE453}.Release|x64.ActiveCfg = Release|x64
+		{3C813052-A49A-4662-B90A-1ADBEC7EE453}.Debug|Win32.Build.0 = Debug|Win32
+		{3C813052-A49A-4662-B90A-1ADBEC7EE453}.Debug|x64.Build.0 = Debug|x64
+		{3C813052-A49A-4662-B90A-1ADBEC7EE453}.Release|Win32.Build.0 = Release|Win32
 		{3C813052-A49A-4662-B90A-1ADBEC7EE453}.Release|x64.Build.0 = Release|x64
 		{19564640-CEE6-4921-ABA5-676ED79A36F6}.Debug|Win32.ActiveCfg = Debug|Win32
-		{19564640-CEE6-4921-ABA5-676ED79A36F6}.Debug|Win32.Build.0 = Debug|Win32
 		{19564640-CEE6-4921-ABA5-676ED79A36F6}.Debug|x64.ActiveCfg = Debug|x64
-		{19564640-CEE6-4921-ABA5-676ED79A36F6}.Debug|x64.Build.0 = Debug|x64
 		{19564640-CEE6-4921-ABA5-676ED79A36F6}.Release|Win32.ActiveCfg = Release|Win32
-		{19564640-CEE6-4921-ABA5-676ED79A36F6}.Release|Win32.Build.0 = Release|Win32
 		{19564640-CEE6-4921-ABA5-676ED79A36F6}.Release|x64.ActiveCfg = Release|x64
+		{19564640-CEE6-4921-ABA5-676ED79A36F6}.Debug|Win32.Build.0 = Debug|Win32
+		{19564640-CEE6-4921-ABA5-676ED79A36F6}.Debug|x64.Build.0 = Debug|x64
+		{19564640-CEE6-4921-ABA5-676ED79A36F6}.Release|Win32.Build.0 = Release|Win32
 		{19564640-CEE6-4921-ABA5-676ED79A36F6}.Release|x64.Build.0 = Release|x64
 		{DF52D501-A6CF-4E6F-BA38-6EBE2E8DAFB2}.Debug|Win32.ActiveCfg = Debug|Win32
-		{DF52D501-A6CF-4E6F-BA38-6EBE2E8DAFB2}.Debug|Win32.Build.0 = Debug|Win32
 		{DF52D501-A6CF-4E6F-BA38-6EBE2E8DAFB2}.Debug|x64.ActiveCfg = Debug|x64
-		{DF52D501-A6CF-4E6F-BA38-6EBE2E8DAFB2}.Debug|x64.Build.0 = Debug|x64
 		{DF52D501-A6CF-4E6F-BA38-6EBE2E8DAFB2}.Release|Win32.ActiveCfg = Release|Win32
-		{DF52D501-A6CF-4E6F-BA38-6EBE2E8DAFB2}.Release|Win32.Build.0 = Release|Win32
 		{DF52D501-A6CF-4E6F-BA38-6EBE2E8DAFB2}.Release|x64.ActiveCfg = Release|x64
+		{DF52D501-A6CF-4E6F-BA38-6EBE2E8DAFB2}.Debug|Win32.Build.0 = Debug|Win32
+		{DF52D501-A6CF-4E6F-BA38-6EBE2E8DAFB2}.Debug|x64.Build.0 = Debug|x64
+		{DF52D501-A6CF-4E6F-BA38-6EBE2E8DAFB2}.Release|Win32.Build.0 = Release|Win32
 		{DF52D501-A6CF-4E6F-BA38-6EBE2E8DAFB2}.Release|x64.Build.0 = Release|x64
 		{069E9D05-B78B-4751-9252-D21EBAE7DE8E}.Debug|Win32.ActiveCfg = Debug|Win32
-		{069E9D05-B78B-4751-9252-D21EBAE7DE8E}.Debug|Win32.Build.0 = Debug|Win32
 		{069E9D05-B78B-4751-9252-D21EBAE7DE8E}.Debug|x64.ActiveCfg = Debug|x64
-		{069E9D05-B78B-4751-9252-D21EBAE7DE8E}.Debug|x64.Build.0 = Debug|x64
 		{069E9D05-B78B-4751-9252-D21EBAE7DE8E}.Release|Win32.ActiveCfg = Release|Win32
-		{069E9D05-B78B-4751-9252-D21EBAE7DE8E}.Release|Win32.Build.0 = Release|Win32
 		{069E9D05-B78B-4751-9252-D21EBAE7DE8E}.Release|x64.ActiveCfg = Release|x64
+		{069E9D05-B78B-4751-9252-D21EBAE7DE8E}.Debug|Win32.Build.0 = Debug|Win32
+		{069E9D05-B78B-4751-9252-D21EBAE7DE8E}.Debug|x64.Build.0 = Debug|x64
+		{069E9D05-B78B-4751-9252-D21EBAE7DE8E}.Release|Win32.Build.0 = Release|Win32
 		{069E9D05-B78B-4751-9252-D21EBAE7DE8E}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
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--- a/vsprojects/grpc_python_plugin/grpc_python_plugin.vcxproj
+++ b/vsprojects/grpc_python_plugin/grpc_python_plugin.vcxproj
@ -31,23 +31,12 @@
  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
    <PlatformToolset>v120</PlatformToolset>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
    <ConfigurationType>Application</ConfigurationType>
    <UseDebugLibraries>true</UseDebugLibraries>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
-    <UseDebugLibraries>true</UseDebugLibraries>
-    <CharacterSet>Unicode</CharacterSet>
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-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
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-    <WholeProgramOptimization>true</WholeProgramOptimization>
-    <CharacterSet>Unicode</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
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    <UseDebugLibraries>false</UseDebugLibraries>
    <WholeProgramOptimization>true</WholeProgramOptimization>
@ -56,37 +45,16 @@
  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
  <ImportGroup Label="ExtensionSettings">
  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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-    <Import Project="..\global.props" />
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-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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-    <Import Project="..\global.props" />
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-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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-    <Import Project="..\protoc.props" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <ImportGroup Label="PropertySheets">
    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
    <Import Project="..\protoc.props" />
    <Import Project="..\global.props" />
  </ImportGroup>
  <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <TargetName>grpc_python_plugin</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
    <TargetName>grpc_python_plugin</TargetName>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
    <TargetName>grpc_python_plugin</TargetName>
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  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
@ -96,6 +64,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Console</SubSystem>
@ -109,6 +78,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Console</SubSystem>
@ -124,6 +94,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
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    <Link>
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@ -141,6 +112,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
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    <Link>
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--- a/vsprojects/grpc_ruby_plugin/grpc_ruby_plugin.vcxproj
+++ b/vsprojects/grpc_ruby_plugin/grpc_ruby_plugin.vcxproj
@ -31,23 +31,12 @@
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    <PlatformToolset>v120</PlatformToolset>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
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    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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-    <WholeProgramOptimization>true</WholeProgramOptimization>
-    <CharacterSet>Unicode</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
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    <WholeProgramOptimization>true</WholeProgramOptimization>
@ -56,37 +45,16 @@
  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
  <ImportGroup Label="ExtensionSettings">
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-    <Import Project="..\protoc.props" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <ImportGroup Label="PropertySheets">
    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
    <Import Project="..\protoc.props" />
    <Import Project="..\global.props" />
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  <PropertyGroup Label="UserMacros" />
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-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <TargetName>grpc_ruby_plugin</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
    <TargetName>grpc_ruby_plugin</TargetName>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
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  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
@ -96,6 +64,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Console</SubSystem>
@ -109,6 +78,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Console</SubSystem>
@ -124,6 +94,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
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    <Link>
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@ -141,6 +112,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
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    <Link>
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--- a/vsprojects/grpc_test_util/grpc_test_util.vcxproj
+++ b/vsprojects/grpc_test_util/grpc_test_util.vcxproj
@ -31,23 +31,12 @@
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    <PlatformToolset>v120</PlatformToolset>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
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    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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-    <WholeProgramOptimization>true</WholeProgramOptimization>
-    <CharacterSet>Unicode</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
    <ConfigurationType>StaticLibrary</ConfigurationType>
    <UseDebugLibraries>false</UseDebugLibraries>
    <WholeProgramOptimization>true</WholeProgramOptimization>
@ -56,33 +45,16 @@
  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
  <ImportGroup Label="ExtensionSettings">
  </ImportGroup>
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-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <ImportGroup Label="PropertySheets">
    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="..\winsock.props" />
    <Import Project="..\global.props" />
  </ImportGroup>
  <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <TargetName>grpc_test_util</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
    <TargetName>grpc_test_util</TargetName>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
    <TargetName>grpc_test_util</TargetName>
  </PropertyGroup>
  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
@ -92,6 +64,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -105,6 +78,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -120,6 +94,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -137,6 +112,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
--- a/vsprojects/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/grpc_unsecure/grpc_unsecure.vcxproj
@ -1,6 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug-DLL|Win32">
+      <Configuration>Debug-DLL</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug-DLL|x64">
+      <Configuration>Debug-DLL</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release-DLL|Win32">
+      <Configuration>Release-DLL</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release-DLL|x64">
+      <Configuration>Release-DLL</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
    <ProjectConfiguration Include="Debug|Win32">
      <Configuration>Debug</Configuration>
      <Platform>Win32</Platform>
@ -31,23 +47,23 @@
  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
    <PlatformToolset>v120</PlatformToolset>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
    <ConfigurationType>StaticLibrary</ConfigurationType>
    <UseDebugLibraries>true</UseDebugLibraries>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
    <ConfigurationType>StaticLibrary</ConfigurationType>
-    <UseDebugLibraries>true</UseDebugLibraries>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug-DLL'" Label="Configuration">
    <ConfigurationType>StaticLibrary</ConfigurationType>
-    <UseDebugLibraries>false</UseDebugLibraries>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <UseDebugLibraries>true</UseDebugLibraries>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+  <PropertyGroup Condition="'$(Configuration)'=='Release-DLL'" Label="Configuration">
    <ConfigurationType>StaticLibrary</ConfigurationType>
    <UseDebugLibraries>false</UseDebugLibraries>
    <WholeProgramOptimization>true</WholeProgramOptimization>
@ -56,37 +72,86 @@
  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
  <ImportGroup Label="ExtensionSettings">
  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\global.props" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <ImportGroup Label="PropertySheets">
    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="..\winsock.props" />
    <Import Project="..\global.props" />
  </ImportGroup>
  <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
    <TargetName>grpc_unsecure</TargetName>
    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <TargetName>grpc_unsecure</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <TargetName>grpc_unsecure</TargetName>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
    <TargetName>grpc_unsecure</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug-DLL|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug-DLL|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release-DLL|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release-DLL|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
    <ClCompile>
      <PrecompiledHeader>NotUsing</PrecompiledHeader>
@ -94,6 +159,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -107,6 +173,7 @@
      <Optimization>Disabled</Optimization>
      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -122,6 +189,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -139,6 +207,7 @@
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
    </ClCompile>
    <Link>
      <SubSystem>Windows</SubSystem>
@ -156,7 +225,6 @@
    <ClInclude Include="..\..\include\grpc\census.h" />
  </ItemGroup>
  <ItemGroup>
-    <ClInclude Include="..\..\src\core\census\grpc_context.h" />
    <ClInclude Include="..\..\src\core\channel\census_filter.h" />
    <ClInclude Include="..\..\src\core\channel\channel_args.h" />
    <ClInclude Include="..\..\src\core\channel\channel_stack.h" />
--- a/vsprojects/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/grpc_unsecure/grpc_unsecure.vcxproj.filters
@ -371,9 +371,6 @@
    </ClInclude>
  </ItemGroup>
  <ItemGroup>
-    <ClInclude Include="..\..\src\core\census\grpc_context.h">
-      <Filter>src\core\census</Filter>
-    </ClInclude>
    <ClInclude Include="..\..\src\core\channel\census_filter.h">
      <Filter>src\core\channel</Filter>
    </ClInclude>
--- a/vsprojects/nuget_package/buildall.bat
+++ b/vsprojects/nuget_package/buildall.bat
@ -39,7 +39,7 @@ endlocal
 goto :eof

 :build
-msbuild /t:grpc_csharp_ext /P:Platform=%1 /P:Configuration=%2 /P:PlatformToolset=%3 /P:OutDir=..\nuget_package\output\%3\%1\%2\ /P:IntDir=..\nuget_package\tmp\%3\%1\%2\ ..\grpc.sln || goto :eof
+msbuild /P:Platform=%1 /P:Configuration=%2 /P:PlatformToolset=%3 /P:OutDir=..\nuget_package\output\%3\%1\%2\ /P:IntDir=..\nuget_package\tmp\%3\%1\%2\ ..\grpc_csharp_ext.sln || goto :eof
 goto :eof


--- a/vsprojects/zlib-dll.props
+++ b/vsprojects/zlib-dll.props
@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ImportGroup Label="PropertySheets" />
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup />
+  <ItemDefinitionGroup>
+    <Link>
+      <AdditionalDependencies>zlib.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>$(ProjectDir)\..\packages\grpc.dependencies.zlib.1.2.8.9\build\native\lib\$(PlatformToolset)\$(Platform)\$(Configuration)\dynamic\cdecl;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup />
+</Project>