Merge github.com:grpc/grpc into foo

BUILD

@@ -41,7 +41,7 @@ g_stands_for = "green"
 
 core_version = "3.0.0-dev"
 
-version = "1.2.0"
+version = "1.3.0-dev"
 
 grpc_cc_library(
     name = "gpr",
@@ -67,6 +67,7 @@ grpc_cc_library(
         "grpc_lb_policy_pick_first",
         "grpc_lb_policy_round_robin",
         "grpc_load_reporting",
+        "grpc_max_age_filter",
         "grpc_resolver_dns_ares",
         "grpc_resolver_dns_native",
         "grpc_resolver_sockaddr",
@@ -75,7 +76,6 @@ grpc_cc_library(
         "grpc_transport_chttp2_client_secure",
         "grpc_transport_chttp2_server_insecure",
         "grpc_transport_chttp2_server_secure",
-        "grpc_max_age_filter",
     ],
 )
 
@@ -109,11 +109,11 @@ grpc_cc_library(
         "grpc_lb_policy_pick_first",
         "grpc_lb_policy_round_robin",
         "grpc_load_reporting",
+        "grpc_max_age_filter",
         "grpc_resolver_dns_native",
         "grpc_resolver_sockaddr",
         "grpc_transport_chttp2_client_insecure",
         "grpc_transport_chttp2_server_insecure",
-        "grpc_max_age_filter",
     ],
 )
 
@@ -177,8 +177,6 @@ grpc_cc_library(
     ],
     hdrs = [
         "src/compiler/config.h",
-        "src/compiler/schema_interface.h",
-        "src/compiler/protobuf_plugin.h",
         "src/compiler/cpp_generator.h",
         "src/compiler/cpp_generator_helpers.h",
         "src/compiler/csharp_generator.h",
@@ -190,6 +188,7 @@ grpc_cc_library(
         "src/compiler/objective_c_generator_helpers.h",
         "src/compiler/php_generator.h",
         "src/compiler/php_generator_helpers.h",
+        "src/compiler/protobuf_plugin.h",
         "src/compiler/python_generator.h",
         "src/compiler/python_generator_helpers.h",
         "src/compiler/python_private_generator.h",
@@ -197,6 +196,7 @@ grpc_cc_library(
         "src/compiler/ruby_generator_helpers-inl.h",
         "src/compiler/ruby_generator_map-inl.h",
         "src/compiler/ruby_generator_string-inl.h",
+        "src/compiler/schema_interface.h",
     ],
     external_deps = [
         "protobuf_clib",
@@ -884,14 +884,14 @@ grpc_cc_library(
         "src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.h",
         "src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h",
     ],
+    external_deps = [
+        "cares",
+    ],
     language = "c",
     deps = [
         "grpc_base",
         "grpc_client_channel",
     ],
-    external_deps = [
-        "cares",
-    ],
 )
 
 grpc_cc_library(

Makefile

@@ -409,7 +409,7 @@ AROPTS = $(GRPC_CROSS_AROPTS) # e.g., rc --target=elf32-little
 USE_BUILT_PROTOC = false
 endif
 
-GTEST_LIB = -Ithird_party/googletest/include -Ithird_party/googletest third_party/googletest/src/gtest-all.cc
+GTEST_LIB = -Ithird_party/googletest/googletest/include -Ithird_party/googletest/googletest third_party/googletest/googletest/src/gtest-all.cc
 GTEST_LIB += -lgflags
 ifeq ($(V),1)
 E = @:
@@ -784,7 +784,7 @@ PROTOBUF_PKG_CONFIG = false
 PC_REQUIRES_GRPCXX =
 PC_LIBS_GRPCXX =
 
-CPPFLAGS := -Ithird_party/googletest/include $(CPPFLAGS)
+CPPFLAGS := -Ithird_party/googletest/googletest/include $(CPPFLAGS)
 
 PROTOC_PLUGINS_ALL = $(BINDIR)/$(CONFIG)/grpc_cpp_plugin $(BINDIR)/$(CONFIG)/grpc_csharp_plugin $(BINDIR)/$(CONFIG)/grpc_node_plugin $(BINDIR)/$(CONFIG)/grpc_objective_c_plugin $(BINDIR)/$(CONFIG)/grpc_php_plugin $(BINDIR)/$(CONFIG)/grpc_python_plugin $(BINDIR)/$(CONFIG)/grpc_ruby_plugin
 PROTOC_PLUGINS_DIR = $(BINDIR)/$(CONFIG)
@@ -1105,6 +1105,7 @@ bm_chttp2_hpack: $(BINDIR)/$(CONFIG)/bm_chttp2_hpack
 bm_chttp2_transport: $(BINDIR)/$(CONFIG)/bm_chttp2_transport
 bm_closure: $(BINDIR)/$(CONFIG)/bm_closure
 bm_cq: $(BINDIR)/$(CONFIG)/bm_cq
+bm_cq_multiple_threads: $(BINDIR)/$(CONFIG)/bm_cq_multiple_threads
 bm_error: $(BINDIR)/$(CONFIG)/bm_error
 bm_fullstack_streaming_ping_pong: $(BINDIR)/$(CONFIG)/bm_fullstack_streaming_ping_pong
 bm_fullstack_streaming_pump: $(BINDIR)/$(CONFIG)/bm_fullstack_streaming_pump
@@ -1530,6 +1531,7 @@ buildtests_cxx: privatelibs_cxx \
   $(BINDIR)/$(CONFIG)/bm_chttp2_transport \
   $(BINDIR)/$(CONFIG)/bm_closure \
   $(BINDIR)/$(CONFIG)/bm_cq \
+  $(BINDIR)/$(CONFIG)/bm_cq_multiple_threads \
   $(BINDIR)/$(CONFIG)/bm_error \
   $(BINDIR)/$(CONFIG)/bm_fullstack_streaming_ping_pong \
   $(BINDIR)/$(CONFIG)/bm_fullstack_streaming_pump \
@@ -1648,6 +1650,7 @@ buildtests_cxx: privatelibs_cxx \
   $(BINDIR)/$(CONFIG)/bm_chttp2_transport \
   $(BINDIR)/$(CONFIG)/bm_closure \
   $(BINDIR)/$(CONFIG)/bm_cq \
+  $(BINDIR)/$(CONFIG)/bm_cq_multiple_threads \
   $(BINDIR)/$(CONFIG)/bm_error \
   $(BINDIR)/$(CONFIG)/bm_fullstack_streaming_ping_pong \
   $(BINDIR)/$(CONFIG)/bm_fullstack_streaming_pump \
@@ -1997,6 +2000,8 @@ test_cxx: buildtests_cxx
 	$(Q) $(BINDIR)/$(CONFIG)/bm_closure || ( echo test bm_closure failed ; exit 1 )
 	$(E) "[RUN]     Testing bm_cq"
 	$(Q) $(BINDIR)/$(CONFIG)/bm_cq || ( echo test bm_cq failed ; exit 1 )
+	$(E) "[RUN]     Testing bm_cq_multiple_threads"
+	$(Q) $(BINDIR)/$(CONFIG)/bm_cq_multiple_threads || ( echo test bm_cq_multiple_threads failed ; exit 1 )
 	$(E) "[RUN]     Testing bm_error"
 	$(Q) $(BINDIR)/$(CONFIG)/bm_error || ( echo test bm_error failed ; exit 1 )
 	$(E) "[RUN]     Testing bm_fullstack_streaming_ping_pong"
@@ -2383,12 +2388,12 @@ ifeq ($(NO_PROTOC),true)
 $(GENDIR)/src/proto/grpc/testing/services.pb.cc: protoc_dep_error
 $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc: protoc_dep_error
 else
-$(GENDIR)/src/proto/grpc/testing/services.pb.cc: src/proto/grpc/testing/services.proto $(PROTOBUF_DEP) $(PROTOC_PLUGINS) $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc
+$(GENDIR)/src/proto/grpc/testing/services.pb.cc: src/proto/grpc/testing/services.proto $(PROTOBUF_DEP) $(PROTOC_PLUGINS) $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc
 	$(E) "[PROTOC]  Generating protobuf CC file from $<"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) $(PROTOC) -Ithird_party/protobuf/src -I. --cpp_out=$(GENDIR) $<
 
-$(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc: src/proto/grpc/testing/services.proto $(PROTOBUF_DEP) $(PROTOC_PLUGINS) $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc
+$(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc: src/proto/grpc/testing/services.proto $(PROTOBUF_DEP) $(PROTOC_PLUGINS) $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
 	$(E) "[GRPC]    Generating gRPC's protobuf service CC file from $<"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) $(PROTOC) -Ithird_party/protobuf/src -I. --grpc_out=$(GENDIR) --plugin=protoc-gen-grpc=$(PROTOC_PLUGINS_DIR)/grpc_cpp_plugin$(EXECUTABLE_SUFFIX) $<
@@ -13360,6 +13365,50 @@ endif
 endif
 
 
+BM_CQ_MULTIPLE_THREADS_SRC = \
+    test/cpp/microbenchmarks/bm_cq_multiple_threads.cc \
+
+BM_CQ_MULTIPLE_THREADS_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(BM_CQ_MULTIPLE_THREADS_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/bm_cq_multiple_threads: openssl_dep_error
+
+else
+
+
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/bm_cq_multiple_threads: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/bm_cq_multiple_threads: $(PROTOBUF_DEP) $(BM_CQ_MULTIPLE_THREADS_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_benchmark.a $(LIBDIR)/$(CONFIG)/libbenchmark.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(BM_CQ_MULTIPLE_THREADS_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_benchmark.a $(LIBDIR)/$(CONFIG)/libbenchmark.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/bm_cq_multiple_threads
+
+endif
+
+endif
+
+$(BM_CQ_MULTIPLE_THREADS_OBJS): CPPFLAGS += -Ithird_party/benchmark/include -DHAVE_POSIX_REGEX
+$(OBJDIR)/$(CONFIG)/test/cpp/microbenchmarks/bm_cq_multiple_threads.o:  $(LIBDIR)/$(CONFIG)/libgrpc_benchmark.a $(LIBDIR)/$(CONFIG)/libbenchmark.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_bm_cq_multiple_threads: $(BM_CQ_MULTIPLE_THREADS_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(BM_CQ_MULTIPLE_THREADS_OBJS:.o=.dep)
+endif
+endif
+
+
 BM_ERROR_SRC = \
     test/cpp/microbenchmarks/bm_error.cc \
 

build.yaml

@@ -3217,6 +3217,27 @@ targets:
   - mac
   - linux
   - posix
+- name: bm_cq_multiple_threads
+  build: test
+  language: c++
+  src:
+  - test/cpp/microbenchmarks/bm_cq_multiple_threads.cc
+  deps:
+  - grpc_benchmark
+  - benchmark
+  - grpc++_test_util
+  - grpc_test_util
+  - grpc++
+  - grpc
+  - gpr_test_util
+  - gpr
+  args:
+  - --benchmark_min_time=0
+  defaults: benchmark
+  platforms:
+  - mac
+  - linux
+  - posix
 - name: bm_error
   build: test
   language: c++

cmake/msvc_static_runtime.cmake

@@ -3,6 +3,8 @@ option(gRPC_MSVC_STATIC_RUNTIME "Link with static msvc runtime libraries" OFF)
 if(gRPC_MSVC_STATIC_RUNTIME)
   # switch from dynamic to static linking of msvcrt
   foreach(flag_var
+    CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
+    CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
     CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
     CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
 

doc/PROTOCOL-WEB.md

@@ -83,7 +83,8 @@ in the body.
 
 User Agent
 
-* U-A: grpc-web-javascript
+* Do NOT use User-Agent header (which is to be set by browsers, by default)
+* Use X-User-Agent: grpc-web-javascript/0.1 (follow the same format as specified in [gRPC over HTTP2](http://www.grpc.io/docs/guides/wire.html))
 
 ---
 

etc/roots.pem

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 pGxlaKFJdlxDydi8NmdspZS11My5vWo1ViHe2MPr+8ukYEywVaCge1ey
 -----END CERTIFICATE-----
 
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-# Subject: CN=WellsSecure Public Root Certificate Authority O=Wells Fargo WellsSecure OU=Wells Fargo Bank NA
-# Label: "WellsSecure Public Root Certificate Authority"
-# Serial: 1
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-
 # Issuer: CN=COMODO ECC Certification Authority O=COMODO CA Limited
 # Subject: CN=COMODO ECC Certification Authority O=COMODO CA Limited
 # Label: "COMODO ECC Certification Authority"
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 /L7fCg0=
 -----END CERTIFICATE-----
 
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-# Subject: CN=Microsec e-Szigno Root CA O=Microsec Ltd. OU=e-Szigno CA
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------END CERTIFICATE-----
-
 # Issuer: CN=Certigna O=Dhimyotis
 # Subject: CN=Certigna O=Dhimyotis
 # Label: "Certigna"
@@ -2014,36 +1927,6 @@ buXf6iFViZx9fX+Y9QCJ7uOEwFyWtcVG6kbghVW2G8kS1sHNzYDzAgE8yGnLRUhj
 2JTQ7IUOO04RZfSCjKY9ri4ilAnIXOo8gV0WKgOXFlUJ24pBgp5mmxE=
 -----END CERTIFICATE-----
 
-# Issuer: O=Japanese Government OU=ApplicationCA
-# Subject: O=Japanese Government OU=ApplicationCA
-# Label: "ApplicationCA - Japanese Government"
-# Serial: 49
-# MD5 Fingerprint: 7e:23:4e:5b:a7:a5:b4:25:e9:00:07:74:11:62:ae:d6
-# SHA1 Fingerprint: 7f:8a:b0:cf:d0:51:87:6a:66:f3:36:0f:47:c8:8d:8c:d3:35:fc:74
-# SHA256 Fingerprint: 2d:47:43:7d:e1:79:51:21:5a:12:f3:c5:8e:51:c7:29:a5:80:26:ef:1f:cc:0a:5f:b3:d9:dc:01:2f:60:0d:19
------BEGIN CERTIFICATE-----
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-rosot4LKGAfmt1t06SAZf7IbiVQ=
------END CERTIFICATE-----
-
 # Issuer: CN=GeoTrust Primary Certification Authority - G3 O=GeoTrust Inc. OU=(c) 2008 GeoTrust Inc. - For authorized use only
 # Subject: CN=GeoTrust Primary Certification Authority - G3 O=GeoTrust Inc. OU=(c) 2008 GeoTrust Inc. - For authorized use only
 # Label: "GeoTrust Primary Certification Authority - G3"
@@ -4720,39 +4603,6 @@ Yv4HAqGEVka+lgqaE9chTLd8B59OTj+RdPsnnRHM3eaxynFNExc5JsUpISuTKWqW
 +qtB4Uu2NQvAmxU=
 -----END CERTIFICATE-----
 
-# Issuer: CN=TÜRKTRUST Elektronik Sertifika Hizmet Sağlayıcısı H6 O=TÜRKTRUST Bilgi İletişim ve Bilişim Güvenliği Hizmetleri A.Ş.
-# Subject: CN=TÜRKTRUST Elektronik Sertifika Hizmet Sağlayıcısı H6 O=TÜRKTRUST Bilgi İletişim ve Bilişim Güvenliği Hizmetleri A.Ş.
-# Label: "TÜRKTRUST Elektronik Sertifika Hizmet Sağlayıcısı H6"
-# Serial: 138134509972618
-# MD5 Fingerprint: f8:c5:ee:2a:6b:be:95:8d:08:f7:25:4a:ea:71:3e:46
-# SHA1 Fingerprint: 8a:5c:8c:ee:a5:03:e6:05:56:ba:d8:1b:d4:f6:c9:b0:ed:e5:2f:e0
-# SHA256 Fingerprint: 8d:e7:86:55:e1:be:7f:78:47:80:0b:93:f6:94:d2:1d:36:8c:c0:6e:03:3e:7f:ab:04:bb:5e:b9:9d:a6:b7:00
------BEGIN CERTIFICATE-----
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-tAuYSyher4hYyw==
------END CERTIFICATE-----
-
 # Issuer: CN=Certinomis - Root CA O=Certinomis OU=0002 433998903
 # Subject: CN=Certinomis - Root CA O=Certinomis OU=0002 433998903
 # Label: "Certinomis - Root CA"
@@ -5402,3 +5252,37 @@ LSoSOcbDWjLtR5EWDrw4wVDej8oqkDQc7kGUnF4ZLvhFSZl0kbAEb+MEWrGrKqv+
 x9CWttrhSmQGbmBNvUJO/3jaJMobtNeWOWyu8Q6qp31IiyBMz2TWuJdGsE7RKlY6
 oJO9r4Ak4Ap+58rVyuiFVdw2KuGUaJPHZnJED4AhMmwlxyOAgwrr
 -----END CERTIFICATE-----
+
+# Issuer: CN=TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1 O=Turkiye Bilimsel ve Teknolojik Arastirma Kurumu - TUBITAK OU=Kamu Sertifikasyon Merkezi - Kamu SM
+# Subject: CN=TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1 O=Turkiye Bilimsel ve Teknolojik Arastirma Kurumu - TUBITAK OU=Kamu Sertifikasyon Merkezi - Kamu SM
+# Label: "TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1"
+# Serial: 1
+# MD5 Fingerprint: dc:00:81:dc:69:2f:3e:2f:b0:3b:f6:3d:5a:91:8e:49
+# SHA1 Fingerprint: 31:43:64:9b:ec:ce:27:ec:ed:3a:3f:0b:8f:0d:e4:e8:91:dd:ee:ca
+# SHA256 Fingerprint: 46:ed:c3:68:90:46:d5:3a:45:3f:b3:10:4a:b8:0d:ca:ec:65:8b:26:60:ea:16:29:dd:7e:86:79:90:64:87:16
+-----BEGIN CERTIFICATE-----
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+lo3Ptv0AnVoUmr8CRPXBwp8iXqIPoeM=
+-----END CERTIFICATE-----

grpc.gemspec

@@ -24,7 +24,7 @@ Gem::Specification.new do |s|
   s.files += Dir.glob('include/grpc/**/*')
   s.test_files = Dir.glob('src/ruby/spec/**/*')
   s.bindir = 'src/ruby/bin'
-  s.require_paths = %w( src/ruby/bin src/ruby/lib src/ruby/pb )
+  s.require_paths = %w( src/ruby/lib src/ruby/bin src/ruby/pb )
   s.platform      = Gem::Platform::RUBY
 
   s.add_dependency 'google-protobuf', '~> 3.1'

include/grpc++/impl/codegen/call.h

@@ -63,21 +63,31 @@ class CallHook;
 class CompletionQueue;
 extern CoreCodegenInterface* g_core_codegen_interface;
 
+const char kBinaryErrorDetailsKey[] = "grpc-status-details-bin";
+
 // TODO(yangg) if the map is changed before we send, the pointers will be a
 // mess. Make sure it does not happen.
 inline grpc_metadata* FillMetadataArray(
-    const std::multimap<grpc::string, grpc::string>& metadata) {
-  if (metadata.empty()) {
+    const std::multimap<grpc::string, grpc::string>& metadata,
+    size_t* metadata_count, const grpc::string& optional_error_details) {
+  *metadata_count = metadata.size() + (optional_error_details.empty() ? 0 : 1);
+  if (*metadata_count == 0) {
     return nullptr;
   }
   grpc_metadata* metadata_array =
       (grpc_metadata*)(g_core_codegen_interface->gpr_malloc(
-          metadata.size() * sizeof(grpc_metadata)));
+          (*metadata_count) * sizeof(grpc_metadata)));
   size_t i = 0;
   for (auto iter = metadata.cbegin(); iter != metadata.cend(); ++iter, ++i) {
     metadata_array[i].key = SliceReferencingString(iter->first);
     metadata_array[i].value = SliceReferencingString(iter->second);
   }
+  if (!optional_error_details.empty()) {
+    metadata_array[i].key =
+        g_core_codegen_interface->grpc_slice_from_static_buffer(
+            kBinaryErrorDetailsKey, sizeof(kBinaryErrorDetailsKey) - 1);
+    metadata_array[i].value = SliceReferencingString(optional_error_details);
+  }
   return metadata_array;
 }
 
@@ -216,8 +226,8 @@ class CallOpSendInitialMetadata {
     maybe_compression_level_.is_set = false;
     send_ = true;
     flags_ = flags;
-    initial_metadata_count_ = metadata.size();
-    initial_metadata_ = FillMetadataArray(metadata);
+    initial_metadata_ =
+        FillMetadataArray(metadata, &initial_metadata_count_, "");
   }
 
   void set_compression_level(grpc_compression_level level) {
@@ -454,11 +464,12 @@ class CallOpServerSendStatus {
   void ServerSendStatus(
       const std::multimap<grpc::string, grpc::string>& trailing_metadata,
       const Status& status) {
-    trailing_metadata_count_ = trailing_metadata.size();
-    trailing_metadata_ = FillMetadataArray(trailing_metadata);
+    send_error_details_ = status.error_details();
+    trailing_metadata_ = FillMetadataArray(
+        trailing_metadata, &trailing_metadata_count_, send_error_details_);
     send_status_available_ = true;
     send_status_code_ = static_cast<grpc_status_code>(GetCanonicalCode(status));
-    send_status_details_ = status.error_message();
+    send_error_message_ = status.error_message();
   }
 
  protected:
@@ -470,9 +481,9 @@ class CallOpServerSendStatus {
         trailing_metadata_count_;
     op->data.send_status_from_server.trailing_metadata = trailing_metadata_;
     op->data.send_status_from_server.status = send_status_code_;
-    status_details_slice_ = SliceReferencingString(send_status_details_);
+    error_message_slice_ = SliceReferencingString(send_error_message_);
     op->data.send_status_from_server.status_details =
-        send_status_details_.empty() ? nullptr : &status_details_slice_;
+        send_error_message_.empty() ? nullptr : &error_message_slice_;
     op->flags = 0;
     op->reserved = NULL;
   }
@@ -486,10 +497,11 @@ class CallOpServerSendStatus {
  private:
   bool send_status_available_;
   grpc_status_code send_status_code_;
-  grpc::string send_status_details_;
+  grpc::string send_error_details_;
+  grpc::string send_error_message_;
   size_t trailing_metadata_count_;
   grpc_metadata* trailing_metadata_;
-  grpc_slice status_details_slice_;
+  grpc_slice error_message_slice_;
 };
 
 class CallOpRecvInitialMetadata {
@@ -528,7 +540,7 @@ class CallOpClientRecvStatus {
   void ClientRecvStatus(ClientContext* context, Status* status) {
     metadata_map_ = &context->trailing_metadata_;
     recv_status_ = status;
-    status_details_ = g_core_codegen_interface->grpc_empty_slice();
+    error_message_ = g_core_codegen_interface->grpc_empty_slice();
   }
 
  protected:
@@ -538,7 +550,7 @@ class CallOpClientRecvStatus {
     op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
     op->data.recv_status_on_client.trailing_metadata = metadata_map_->arr();
     op->data.recv_status_on_client.status = &status_code_;
-    op->data.recv_status_on_client.status_details = &status_details_;
+    op->data.recv_status_on_client.status_details = &error_message_;
     op->flags = 0;
     op->reserved = NULL;
   }
@@ -546,10 +558,17 @@ class CallOpClientRecvStatus {
   void FinishOp(bool* status) {
     if (recv_status_ == nullptr) return;
     metadata_map_->FillMap();
+    grpc::string binary_error_details;
+    auto iter = metadata_map_->map()->find(kBinaryErrorDetailsKey);
+    if (iter != metadata_map_->map()->end()) {
+      binary_error_details =
+          grpc::string(iter->second.begin(), iter->second.length());
+    }
     *recv_status_ = Status(static_cast<StatusCode>(status_code_),
-                           grpc::string(GRPC_SLICE_START_PTR(status_details_),
-                                        GRPC_SLICE_END_PTR(status_details_)));
-    g_core_codegen_interface->grpc_slice_unref(status_details_);
+                           grpc::string(GRPC_SLICE_START_PTR(error_message_),
+                                        GRPC_SLICE_END_PTR(error_message_)),
+                           binary_error_details);
+    g_core_codegen_interface->grpc_slice_unref(error_message_);
     recv_status_ = nullptr;
   }
 
@@ -557,7 +576,7 @@ class CallOpClientRecvStatus {
   MetadataMap* metadata_map_;
   Status* recv_status_;
   grpc_status_code status_code_;
-  grpc_slice status_details_;
+  grpc_slice error_message_;
 };
 
 /// An abstract collection of CallOpSet's, to be used whenever

include/grpc++/impl/codegen/status.h

@@ -47,10 +47,16 @@ class Status {
   /// Construct an OK instance.
   Status() : code_(StatusCode::OK) {}
 
-  /// Construct an instance with associated \a code and \a details (also
-  // referred to as "error_message").
-  Status(StatusCode code, const grpc::string& details)
-      : code_(code), details_(details) {}
+  /// Construct an instance with associated \a code and \a error_message
+  Status(StatusCode code, const grpc::string& error_message)
+      : code_(code), error_message_(error_message) {}
+
+  /// Construct an instance with \a code,  \a error_message and \a error_details
+  Status(StatusCode code, const grpc::string& error_message,
+         const grpc::string error_details)
+      : code_(code),
+        error_message_(error_message),
+        binary_error_details_(error_details) {}
 
   // Pre-defined special status objects.
   /// An OK pre-defined instance.
@@ -61,14 +67,18 @@ class Status {
   /// Return the instance's error code.
   StatusCode error_code() const { return code_; }
   /// Return the instance's error message.
-  grpc::string error_message() const { return details_; }
+  grpc::string error_message() const { return error_message_; }
+  /// Return the (binary) error details.
+  // Usually it contains a serialized google.rpc.Status proto.
+  grpc::string error_details() const { return binary_error_details_; }
 
   /// Is the status OK?
   bool ok() const { return code_ == StatusCode::OK; }
 
  private:
   StatusCode code_;
-  grpc::string details_;
+  grpc::string error_message_;
+  grpc::string binary_error_details_;
 };
 
 }  // namespace grpc

include/grpc/impl/codegen/grpc_types.h

@@ -271,6 +271,14 @@ typedef struct {
  * possible. */
 #define GRPC_ARG_USE_CRONET_PACKET_COALESCING \
   "grpc.use_cronet_packet_coalescing"
+/* Channel arg (integer) setting how large a slice to try and read from the wire
+each time recvmsg (or equivalent) is called */
+#define GRPC_ARG_TCP_READ_CHUNK_SIZE "grpc.experimental.tcp_read_chunk_size"
+#define GRPC_TCP_DEFAULT_READ_SLICE_SIZE 8192
+#define GRPC_ARG_TCP_MIN_READ_CHUNK_SIZE \
+  "grpc.experimental.tcp_min_read_chunk_size"
+#define GRPC_ARG_TCP_MAX_READ_CHUNK_SIZE \
+  "grpc.experimental.tcp_max_read_chunk_size"
 /** \} */
 
 /** Result of a grpc call. If the caller satisfies the prerequisites of a

include/grpc/impl/codegen/port_platform.h

@@ -157,7 +157,6 @@
 #define GPR_GETPID_IN_UNISTD_H 1
 #define GPR_SUPPORT_CHANNELS_FROM_FD 1
 #elif defined(__linux__)
-#define GPR_POSIX_CRASH_HANDLER 1
 #define GPR_PLATFORM_STRING "linux"
 #ifndef _BSD_SOURCE
 #define _BSD_SOURCE
@@ -187,6 +186,11 @@
 #else /* _LP64 */
 #define GPR_ARCH_32 1
 #endif /* _LP64 */
+#ifdef __GLIBC__
+#define GPR_POSIX_CRASH_HANDLER 1
+#else /* musl libc */
+#define GRPC_MSG_IOVLEN_TYPE int
+#endif
 #elif defined(__APPLE__)
 #include <Availability.h>
 #include <TargetConditionals.h>

package.json

@@ -34,7 +34,7 @@
     "lodash": "^4.15.0",
     "nan": "^2.0.0",
     "node-pre-gyp": "^0.6.0",
-    "protobufjs": "^5.0.0",
+    "protobufjs": "^6.7.0",
     "cares": "^1.1.5"
   },
   "devDependencies": {

src/core/ext/census/grpc_plugin.c

@@ -31,6 +31,8 @@
  *
  */
 
+#include <grpc/support/port_platform.h>
+
 #include <limits.h>
 #include <string.h>
 

src/core/ext/filters/client_channel/client_channel.c

@@ -914,14 +914,14 @@ static void subchannel_ready_locked(grpc_exec_ctx *exec_ctx, void *arg,
         .arena = calld->arena};
     grpc_error *new_error = grpc_connected_subchannel_create_call(
         exec_ctx, calld->connected_subchannel, &call_args, &subchannel_call);
+    gpr_atm_rel_store(&calld->subchannel_call,
+                      (gpr_atm)(uintptr_t)subchannel_call);
     if (new_error != GRPC_ERROR_NONE) {
       new_error = grpc_error_add_child(new_error, error);
-      subchannel_call = CANCELLED_CALL;
       fail_locked(exec_ctx, calld, new_error);
+    } else {
+      retry_waiting_locked(exec_ctx, calld);
     }
-    gpr_atm_rel_store(&calld->subchannel_call,
-                      (gpr_atm)(uintptr_t)subchannel_call);
-    retry_waiting_locked(exec_ctx, calld);
   }
   GRPC_CALL_STACK_UNREF(exec_ctx, calld->owning_call, "pick_subchannel");
 }
@@ -1152,16 +1152,16 @@ static void start_transport_stream_op_batch_locked_inner(
         .arena = calld->arena};
     grpc_error *error = grpc_connected_subchannel_create_call(
         exec_ctx, calld->connected_subchannel, &call_args, &subchannel_call);
+    gpr_atm_rel_store(&calld->subchannel_call,
+                      (gpr_atm)(uintptr_t)subchannel_call);
     if (error != GRPC_ERROR_NONE) {
-      subchannel_call = CANCELLED_CALL;
       fail_locked(exec_ctx, calld, GRPC_ERROR_REF(error));
       grpc_transport_stream_op_batch_finish_with_failure(exec_ctx, op, error);
+    } else {
+      retry_waiting_locked(exec_ctx, calld);
+      /* recurse to retry */
+      start_transport_stream_op_batch_locked_inner(exec_ctx, op, elem);
     }
-    gpr_atm_rel_store(&calld->subchannel_call,
-                      (gpr_atm)(uintptr_t)subchannel_call);
-    retry_waiting_locked(exec_ctx, calld);
-    /* recurse to retry */
-    start_transport_stream_op_batch_locked_inner(exec_ctx, op, elem);
     /* early out */
     return;
   }

src/core/ext/filters/client_channel/client_channel_plugin.c

@@ -31,6 +31,8 @@
  *
  */
 
+#include <grpc/support/port_platform.h>
+
 #include <limits.h>
 #include <stdbool.h>
 #include <string.h>

src/core/ext/filters/client_channel/subchannel.c

@@ -769,7 +769,7 @@ grpc_error *grpc_connected_subchannel_create_call(
   *call = gpr_arena_alloc(
       args->arena, sizeof(grpc_subchannel_call) + chanstk->call_stack_size);
   grpc_call_stack *callstk = SUBCHANNEL_CALL_TO_CALL_STACK(*call);
-  (*call)->connection = con;  // Ref is added below.
+  (*call)->connection = GRPC_CONNECTED_SUBCHANNEL_REF(con, "subchannel_call");
   const grpc_call_element_args call_args = {.call_stack = callstk,
                                             .server_transport_data = NULL,
                                             .context = NULL,
@@ -782,11 +782,8 @@ grpc_error *grpc_connected_subchannel_create_call(
   if (error != GRPC_ERROR_NONE) {
     const char *error_string = grpc_error_string(error);
     gpr_log(GPR_ERROR, "error: %s", error_string);
-
-    gpr_free(*call);
     return error;
   }
-  GRPC_CONNECTED_SUBCHANNEL_REF(con, "subchannel_call");
   grpc_call_stack_set_pollset_or_pollset_set(exec_ctx, callstk, args->pollent);
   return GRPC_ERROR_NONE;
 }

src/core/ext/filters/load_reporting/load_reporting.c

@@ -31,6 +31,8 @@
  *
  */
 
+#include <grpc/support/port_platform.h>
+
 #include <limits.h>
 #include <string.h>
 

src/core/ext/filters/max_age/max_age_filter.c

@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/lib/channel/message_size_filter.h"
+#include "src/core/ext/filters/max_age/max_age_filter.h"
 
 #include <limits.h>
 #include <string.h>
@@ -41,11 +41,11 @@
 #include "src/core/lib/iomgr/timer.h"
 #include "src/core/lib/surface/channel_init.h"
 #include "src/core/lib/transport/http2_errors.h"
-#include "src/core/lib/transport/service_config.h"
 
 #define DEFAULT_MAX_CONNECTION_AGE_MS INT_MAX
 #define DEFAULT_MAX_CONNECTION_AGE_GRACE_MS INT_MAX
 #define DEFAULT_MAX_CONNECTION_IDLE_MS INT_MAX
+#define MAX_CONNECTION_AGE_JITTER 0.1
 
 typedef struct channel_data {
   /* We take a reference to the channel stack for the timer callback */
@@ -167,8 +167,9 @@ static void start_max_age_grace_timer_after_goaway_op(grpc_exec_ctx* exec_ctx,
 static void close_max_idle_channel(grpc_exec_ctx* exec_ctx, void* arg,
                                    grpc_error* error) {
   channel_data* chand = arg;
-  gpr_atm_no_barrier_fetch_add(&chand->call_count, 1);
   if (error == GRPC_ERROR_NONE) {
+    /* Prevent the max idle timer from being set again */
+    gpr_atm_no_barrier_fetch_add(&chand->call_count, 1);
     grpc_transport_op* op = grpc_make_transport_op(NULL);
     op->goaway_error =
         grpc_error_set_int(GRPC_ERROR_CREATE_FROM_STATIC_STRING("max_idle"),
@@ -254,6 +255,21 @@ static void channel_connectivity_changed(grpc_exec_ctx* exec_ctx, void* arg,
   }
 }
 
+/* A random jitter of +/-10% will be added to MAX_CONNECTION_AGE to spread out
+   connection storms. Note that the MAX_CONNECTION_AGE option without jitter
+   would not create connection storms by itself, but if there happened to be a
+   connection storm it could cause it to repeat at a fixed period. */
+static int add_random_max_connection_age_jitter(int value) {
+  /* generate a random number between 1 - MAX_CONNECTION_AGE_JITTER and
+     1 + MAX_CONNECTION_AGE_JITTER */
+  double multiplier = rand() * MAX_CONNECTION_AGE_JITTER * 2.0 / RAND_MAX +
+                      1.0 - MAX_CONNECTION_AGE_JITTER;
+  double result = multiplier * value;
+  /* INT_MAX - 0.5 converts the value to float, so that result will not be
+     cast to int implicitly before the comparison. */
+  return result > INT_MAX - 0.5 ? INT_MAX : (int)result;
+}
+
 /* Constructor for call_data. */
 static grpc_error* init_call_elem(grpc_exec_ctx* exec_ctx,
                                   grpc_call_element* elem,
@@ -283,7 +299,9 @@ static grpc_error* init_channel_elem(grpc_exec_ctx* exec_ctx,
   chand->max_connection_age =
       DEFAULT_MAX_CONNECTION_AGE_MS == INT_MAX
           ? gpr_inf_future(GPR_TIMESPAN)
-          : gpr_time_from_millis(DEFAULT_MAX_CONNECTION_AGE_MS, GPR_TIMESPAN);
+          : gpr_time_from_millis(add_random_max_connection_age_jitter(
+                                     DEFAULT_MAX_CONNECTION_AGE_MS),
+                                 GPR_TIMESPAN);
   chand->max_connection_age_grace =
       DEFAULT_MAX_CONNECTION_AGE_GRACE_MS == INT_MAX
           ? gpr_inf_future(GPR_TIMESPAN)
@@ -300,8 +318,10 @@ static grpc_error* init_channel_elem(grpc_exec_ctx* exec_ctx,
           &args->channel_args->args[i],
           (grpc_integer_options){DEFAULT_MAX_CONNECTION_AGE_MS, 1, INT_MAX});
       chand->max_connection_age =
-          value == INT_MAX ? gpr_inf_future(GPR_TIMESPAN)
-                           : gpr_time_from_millis(value, GPR_TIMESPAN);
+          value == INT_MAX
+              ? gpr_inf_future(GPR_TIMESPAN)
+              : gpr_time_from_millis(
+                    add_random_max_connection_age_jitter(value), GPR_TIMESPAN);
     } else if (0 == strcmp(args->channel_args->args[i].key,
                            GRPC_ARG_MAX_CONNECTION_AGE_GRACE_MS)) {
       const int value = grpc_channel_arg_get_integer(

src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c

@@ -57,12 +57,9 @@ void grpc_server_add_insecure_channel_from_fd(grpc_server *server,
   char *name;
   gpr_asprintf(&name, "fd:%d", fd);
 
-  grpc_resource_quota *resource_quota = grpc_resource_quota_from_channel_args(
-      grpc_server_get_channel_args(server));
   grpc_endpoint *server_endpoint =
-      grpc_tcp_create(grpc_fd_create(fd, name), resource_quota,
-                      GRPC_TCP_DEFAULT_READ_SLICE_SIZE, name);
-  grpc_resource_quota_unref_internal(&exec_ctx, resource_quota);
+      grpc_tcp_create(&exec_ctx, grpc_fd_create(fd, name),
+                      grpc_server_get_channel_args(server), name);
 
   gpr_free(name);
 

src/core/lib/http/httpcli_security_connector.c

@@ -47,7 +47,7 @@
 
 typedef struct {
   grpc_channel_security_connector base;
-  tsi_ssl_handshaker_factory *handshaker_factory;
+  tsi_ssl_client_handshaker_factory *handshaker_factory;
   char *secure_peer_name;
 } grpc_httpcli_ssl_channel_security_connector;
 
@@ -56,7 +56,7 @@ static void httpcli_ssl_destroy(grpc_exec_ctx *exec_ctx,
   grpc_httpcli_ssl_channel_security_connector *c =
       (grpc_httpcli_ssl_channel_security_connector *)sc;
   if (c->handshaker_factory != NULL) {
-    tsi_ssl_handshaker_factory_destroy(c->handshaker_factory);
+    tsi_ssl_client_handshaker_factory_destroy(c->handshaker_factory);
   }
   if (c->secure_peer_name != NULL) gpr_free(c->secure_peer_name);
   gpr_free(sc);
@@ -69,7 +69,7 @@ static void httpcli_ssl_add_handshakers(grpc_exec_ctx *exec_ctx,
       (grpc_httpcli_ssl_channel_security_connector *)sc;
   tsi_handshaker *handshaker = NULL;
   if (c->handshaker_factory != NULL) {
-    tsi_result result = tsi_ssl_handshaker_factory_create_handshaker(
+    tsi_result result = tsi_ssl_client_handshaker_factory_create_handshaker(
         c->handshaker_factory, c->secure_peer_name, &handshaker);
     if (result != TSI_OK) {
       gpr_log(GPR_ERROR, "Handshaker creation failed with error %s.",

src/core/lib/iomgr/endpoint_pair.h

@@ -41,8 +41,7 @@ typedef struct {
   grpc_endpoint *server;
 } grpc_endpoint_pair;
 
-grpc_endpoint_pair grpc_iomgr_create_endpoint_pair(
-    const char *name, grpc_resource_quota *resource_quota,
-    size_t read_slice_size);
+grpc_endpoint_pair grpc_iomgr_create_endpoint_pair(const char *name,
+                                                   grpc_channel_args *args);
 
 #endif /* GRPC_CORE_LIB_IOMGR_ENDPOINT_PAIR_H */

src/core/lib/iomgr/endpoint_pair_posix.c

@@ -62,22 +62,25 @@ static void create_sockets(int sv[2]) {
   GPR_ASSERT(grpc_set_socket_no_sigpipe_if_possible(sv[1]) == GRPC_ERROR_NONE);
 }
 
-grpc_endpoint_pair grpc_iomgr_create_endpoint_pair(
-    const char *name, grpc_resource_quota *resource_quota,
-    size_t read_slice_size) {
+grpc_endpoint_pair grpc_iomgr_create_endpoint_pair(const char *name,
+                                                   grpc_channel_args *args) {
   int sv[2];
   grpc_endpoint_pair p;
   char *final_name;
   create_sockets(sv);
 
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+
   gpr_asprintf(&final_name, "%s:client", name);
-  p.client = grpc_tcp_create(grpc_fd_create(sv[1], final_name), resource_quota,
-                             read_slice_size, "socketpair-server");
+  p.client = grpc_tcp_create(&exec_ctx, grpc_fd_create(sv[1], final_name), args,
+                             "socketpair-server");
   gpr_free(final_name);
   gpr_asprintf(&final_name, "%s:server", name);
-  p.server = grpc_tcp_create(grpc_fd_create(sv[0], final_name), resource_quota,
-                             read_slice_size, "socketpair-client");
+  p.server = grpc_tcp_create(&exec_ctx, grpc_fd_create(sv[0], final_name), args,
+                             "socketpair-client");
   gpr_free(final_name);
+
+  grpc_exec_ctx_finish(&exec_ctx);
   return p;
 }
 

src/core/lib/iomgr/endpoint_pair_uv.c

@@ -41,9 +41,8 @@
 
 #include "src/core/lib/iomgr/endpoint_pair.h"
 
-grpc_endpoint_pair grpc_iomgr_create_endpoint_pair(
-    const char *name, grpc_resource_quota *resource_quota,
-    size_t read_slice_size) {
+grpc_endpoint_pair grpc_iomgr_create_endpoint_pair(const char *name,
+                                                   grpc_channel_args *args) {
   grpc_endpoint_pair endpoint_pair;
   // TODO(mlumish): implement this properly under libuv
   GPR_ASSERT(false &&

src/core/lib/iomgr/endpoint_pair_windows.c

@@ -83,15 +83,18 @@ static void create_sockets(SOCKET sv[2]) {
 }
 
 grpc_endpoint_pair grpc_iomgr_create_endpoint_pair(
-    const char *name, grpc_resource_quota *resource_quota,
-    size_t read_slice_size) {
+    const char *name, grpc_channel_args *channel_args) {
   SOCKET sv[2];
   grpc_endpoint_pair p;
   create_sockets(sv);
-  p.client = grpc_tcp_create(grpc_winsocket_create(sv[1], "endpoint:client"),
-                             resource_quota, "endpoint:server");
-  p.server = grpc_tcp_create(grpc_winsocket_create(sv[0], "endpoint:server"),
-                             resource_quota, "endpoint:client");
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  p.client = grpc_tcp_create(&exec_ctx,
+                             grpc_winsocket_create(sv[1], "endpoint:client"),
+                             channel_args, "endpoint:server");
+  p.server = grpc_tcp_create(&exec_ctx,
+                             grpc_winsocket_create(sv[0], "endpoint:server"),
+                             channel_args, "endpoint:client");
+  grpc_exec_ctx_finish(&exec_ctx);
   return p;
 }
 

src/core/lib/iomgr/error.c

@@ -212,7 +212,11 @@ static uint8_t get_placement(grpc_error **err, size_t size) {
   GPR_ASSERT(*err);
   uint8_t slots = (uint8_t)(size / sizeof(intptr_t));
   if ((*err)->arena_size + slots > (*err)->arena_capacity) {
-    (*err)->arena_capacity = (uint8_t)(3 * (*err)->arena_capacity / 2);
+    (*err)->arena_capacity =
+        (uint8_t)GPR_MIN(UINT8_MAX - 1, (3 * (*err)->arena_capacity / 2));
+    if ((*err)->arena_size + slots > (*err)->arena_capacity) {
+      return UINT8_MAX;
+    }
     *err = gpr_realloc(
         *err, sizeof(grpc_error) + (*err)->arena_capacity * sizeof(intptr_t));
   }
@@ -223,10 +227,14 @@ static uint8_t get_placement(grpc_error **err, size_t size) {
 
 static void internal_set_int(grpc_error **err, grpc_error_ints which,
                              intptr_t value) {
-  // GPR_ASSERT((*err)->ints[which] == UINT8_MAX); // TODO, enforce this
   uint8_t slot = (*err)->ints[which];
   if (slot == UINT8_MAX) {
     slot = get_placement(err, sizeof(value));
+    if (slot == UINT8_MAX) {
+      gpr_log(GPR_ERROR, "Error %p is full, dropping int {\"%s\":%" PRIiPTR "}",
+              *err, error_int_name(which), value);
+      return;
+    }
   }
   (*err)->ints[which] = slot;
   (*err)->arena[slot] = value;
@@ -234,10 +242,16 @@ static void internal_set_int(grpc_error **err, grpc_error_ints which,
 
 static void internal_set_str(grpc_error **err, grpc_error_strs which,
                              grpc_slice value) {
-  // GPR_ASSERT((*err)->strs[which] == UINT8_MAX); // TODO, enforce this
   uint8_t slot = (*err)->strs[which];
   if (slot == UINT8_MAX) {
     slot = get_placement(err, sizeof(value));
+    if (slot == UINT8_MAX) {
+      const char *str = grpc_slice_to_c_string(value);
+      gpr_log(GPR_ERROR, "Error %p is full, dropping string {\"%s\":\"%s\"}",
+              *err, error_str_name(which), str);
+      gpr_free((void *)str);
+      return;
+    }
   } else {
     unref_slice(*(grpc_slice *)((*err)->arena + slot));
   }
@@ -245,12 +259,19 @@ static void internal_set_str(grpc_error **err, grpc_error_strs which,
   memcpy((*err)->arena + slot, &value, sizeof(value));
 }
 
+static char *fmt_time(gpr_timespec tm);
 static void internal_set_time(grpc_error **err, grpc_error_times which,
                               gpr_timespec value) {
-  // GPR_ASSERT((*err)->times[which] == UINT8_MAX); // TODO, enforce this
   uint8_t slot = (*err)->times[which];
   if (slot == UINT8_MAX) {
     slot = get_placement(err, sizeof(value));
+    if (slot == UINT8_MAX) {
+      const char *time_str = fmt_time(value);
+      gpr_log(GPR_ERROR, "Error %p is full, dropping \"%s\":\"%s\"}", *err,
+              error_time_name(which), time_str);
+      gpr_free((void *)time_str);
+      return;
+    }
   }
   (*err)->times[which] = slot;
   memcpy((*err)->arena + slot, &value, sizeof(value));
@@ -259,6 +280,12 @@ static void internal_set_time(grpc_error **err, grpc_error_times which,
 static void internal_add_error(grpc_error **err, grpc_error *new) {
   grpc_linked_error new_last = {new, UINT8_MAX};
   uint8_t slot = get_placement(err, sizeof(grpc_linked_error));
+  if (slot == UINT8_MAX) {
+    gpr_log(GPR_ERROR, "Error %p is full, dropping error %p = %s", *err, new,
+            grpc_error_string(new));
+    GRPC_ERROR_UNREF(new);
+    return;
+  }
   if ((*err)->first_err == UINT8_MAX) {
     GPR_ASSERT((*err)->last_err == UINT8_MAX);
     (*err)->last_err = slot;

src/core/lib/iomgr/ev_epoll_linux.c

@@ -1333,7 +1333,7 @@ static grpc_error *pollset_worker_kick(grpc_pollset_worker *worker) {
   if (gpr_atm_no_barrier_cas(&worker->is_kicked, (gpr_atm)0, (gpr_atm)1)) {
     GRPC_POLLING_TRACE(
         "pollset_worker_kick: Kicking worker: %p (thread id: %ld)",
-        (void *)worker, worker->pt_id);
+        (void *)worker, (long int)worker->pt_id);
     int err_num = pthread_kill(worker->pt_id, grpc_wakeup_signal);
     if (err_num != 0) {
       err = GRPC_OS_ERROR(err_num, "pthread_kill");
@@ -1717,7 +1717,7 @@ static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
   worker.pt_id = pthread_self();
   gpr_atm_no_barrier_store(&worker.is_kicked, (gpr_atm)0);
 
-  *worker_hdl = &worker;
+  if (worker_hdl) *worker_hdl = &worker;
 
   gpr_tls_set(&g_current_thread_pollset, (intptr_t)pollset);
   gpr_tls_set(&g_current_thread_worker, (intptr_t)&worker);
@@ -1795,7 +1795,7 @@ static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
     gpr_mu_lock(&pollset->po.mu);
   }
 
-  *worker_hdl = NULL;
+  if (worker_hdl) *worker_hdl = NULL;
 
   gpr_tls_set(&g_current_thread_pollset, (intptr_t)0);
   gpr_tls_set(&g_current_thread_worker, (intptr_t)0);

src/core/lib/iomgr/ev_poll_posix.c

@@ -871,7 +871,7 @@ static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
                                 grpc_pollset_worker **worker_hdl,
                                 gpr_timespec now, gpr_timespec deadline) {
   grpc_pollset_worker worker;
-  *worker_hdl = &worker;
+  if (worker_hdl) *worker_hdl = &worker;
   grpc_error *error = GRPC_ERROR_NONE;
 
   /* Avoid malloc for small number of elements. */
@@ -1092,7 +1092,7 @@ static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
       gpr_mu_lock(&pollset->mu);
     }
   }
-  *worker_hdl = NULL;
+  if (worker_hdl) *worker_hdl = NULL;
   GPR_TIMER_END("pollset_work", 0);
   GRPC_LOG_IF_ERROR("pollset_work", GRPC_ERROR_REF(error));
   return error;

src/core/lib/iomgr/ev_posix.c

@@ -111,6 +111,12 @@ static void try_engine(const char *engine) {
   }
 }
 
+/* This should be used for testing purposes ONLY */
+void grpc_set_event_engine_test_only(
+    const grpc_event_engine_vtable *ev_engine) {
+  g_event_engine = ev_engine;
+}
+
 /* Call this only after calling grpc_event_engine_init() */
 const char *grpc_get_poll_strategy_name() { return g_poll_strategy_name; }
 

src/core/lib/iomgr/ev_posix.h

@@ -183,4 +183,7 @@ void grpc_pollset_set_del_fd(grpc_exec_ctx *exec_ctx,
 typedef int (*grpc_poll_function_type)(struct pollfd *, nfds_t, int);
 extern grpc_poll_function_type grpc_poll_function;
 
+/* This should be used for testing purposes ONLY */
+void grpc_set_event_engine_test_only(const grpc_event_engine_vtable *);
+
 #endif /* GRPC_CORE_LIB_IOMGR_EV_POSIX_H */

src/core/lib/iomgr/pollset.h

@@ -75,6 +75,10 @@ void grpc_pollset_destroy(grpc_pollset *pollset);
    and it is guaranteed that it will not be released by grpc_pollset_work
    AFTER worker has been destroyed.
 
+   It's legal for worker to be NULL: in that case, this specific thread can not
+   be directly woken with a kick, but maybe be indirectly (with a kick against
+   the pollset as a whole).
+
    Tries not to block past deadline.
    May call grpc_closure_list_run on grpc_closure_list, without holding the
    pollset

src/core/lib/iomgr/pollset_windows.c

@@ -120,7 +120,7 @@ grpc_error *grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
                               grpc_pollset_worker **worker_hdl,
                               gpr_timespec now, gpr_timespec deadline) {
   grpc_pollset_worker worker;
-  *worker_hdl = &worker;
+  if (worker_hdl) *worker_hdl = &worker;
 
   int added_worker = 0;
   worker.links[GRPC_POLLSET_WORKER_LINK_POLLSET].next =
@@ -185,7 +185,7 @@ done:
     remove_worker(&worker, GRPC_POLLSET_WORKER_LINK_POLLSET);
   }
   gpr_cv_destroy(&worker.cv);
-  *worker_hdl = NULL;
+  if (worker_hdl) *worker_hdl = NULL;
   return GRPC_ERROR_NONE;
 }
 

src/core/lib/iomgr/port.h

@@ -85,6 +85,10 @@
 #define GRPC_LINUX_SOCKETUTILS 1
 #endif
 #endif
+#ifndef __GLIBC__
+#define GRPC_LINUX_EPOLL 1
+#define GRPC_LINUX_EVENTFD 1
+#endif
 #ifndef GRPC_LINUX_EVENTFD
 #define GRPC_POSIX_NO_SPECIAL_WAKEUP_FD 1
 #endif

src/core/lib/iomgr/resource_quota.c

@@ -142,6 +142,8 @@ struct grpc_resource_quota {
   /* Amount of free memory in the resource quota */
   int64_t free_pool;
 
+  gpr_atm last_size;
+
   /* Has rq_step been scheduled to occur? */
   bool step_scheduled;
   /* Are we currently reclaiming memory */
@@ -581,6 +583,7 @@ grpc_resource_quota *grpc_resource_quota_create(const char *name) {
   resource_quota->combiner = grpc_combiner_create(NULL);
   resource_quota->free_pool = INT64_MAX;
   resource_quota->size = INT64_MAX;
+  gpr_atm_no_barrier_store(&resource_quota->last_size, GPR_ATM_MAX);
   resource_quota->step_scheduled = false;
   resource_quota->reclaiming = false;
   gpr_atm_no_barrier_store(&resource_quota->memory_usage_estimation, 0);
@@ -643,11 +646,17 @@ void grpc_resource_quota_resize(grpc_resource_quota *resource_quota,
   rq_resize_args *a = gpr_malloc(sizeof(*a));
   a->resource_quota = grpc_resource_quota_ref_internal(resource_quota);
   a->size = (int64_t)size;
+  gpr_atm_no_barrier_store(&resource_quota->last_size,
+                           (gpr_atm)GPR_MIN((size_t)GPR_ATM_MAX, size));
   grpc_closure_init(&a->closure, rq_resize, a, grpc_schedule_on_exec_ctx);
   grpc_closure_sched(&exec_ctx, &a->closure, GRPC_ERROR_NONE);
   grpc_exec_ctx_finish(&exec_ctx);
 }
 
+size_t grpc_resource_quota_peek_size(grpc_resource_quota *resource_quota) {
+  return (size_t)gpr_atm_no_barrier_load(&resource_quota->last_size);
+}
+
 /*******************************************************************************
  * grpc_resource_user channel args api
  */

src/core/lib/iomgr/resource_quota.h

@@ -90,6 +90,8 @@ grpc_resource_quota *grpc_resource_quota_from_channel_args(
 double grpc_resource_quota_get_memory_pressure(
     grpc_resource_quota *resource_quota);
 
+size_t grpc_resource_quota_peek_size(grpc_resource_quota *resource_quota);
+
 typedef struct grpc_resource_user grpc_resource_user;
 
 grpc_resource_user *grpc_resource_user_create(

src/core/lib/iomgr/tcp_client.h

@@ -40,10 +40,6 @@
 #include "src/core/lib/iomgr/pollset_set.h"
 #include "src/core/lib/iomgr/resolve_address.h"
 
-/* Channel arg (integer) setting how large a slice to try and read from the wire
-   each time recvmsg (or equivalent) is called */
-#define GRPC_ARG_TCP_READ_CHUNK_SIZE "grpc.experimental.tcp_read_chunk_size"
-
 /* Asynchronously connect to an address (specified as (addr, len)), and call
    cb with arg and the completed connection when done (or call cb with arg and
    NULL on failure).

src/core/lib/iomgr/tcp_client_posix.c

@@ -137,29 +137,7 @@ static void tc_on_alarm(grpc_exec_ctx *exec_ctx, void *acp, grpc_error *error) {
 grpc_endpoint *grpc_tcp_client_create_from_fd(
     grpc_exec_ctx *exec_ctx, grpc_fd *fd, const grpc_channel_args *channel_args,
     const char *addr_str) {
-  size_t tcp_read_chunk_size = GRPC_TCP_DEFAULT_READ_SLICE_SIZE;
-  grpc_resource_quota *resource_quota = grpc_resource_quota_create(NULL);
-  if (channel_args != NULL) {
-    for (size_t i = 0; i < channel_args->num_args; i++) {
-      if (0 ==
-          strcmp(channel_args->args[i].key, GRPC_ARG_TCP_READ_CHUNK_SIZE)) {
-        grpc_integer_options options = {(int)tcp_read_chunk_size, 1,
-                                        8 * 1024 * 1024};
-        tcp_read_chunk_size = (size_t)grpc_channel_arg_get_integer(
-            &channel_args->args[i], options);
-      } else if (0 ==
-                 strcmp(channel_args->args[i].key, GRPC_ARG_RESOURCE_QUOTA)) {
-        grpc_resource_quota_unref_internal(exec_ctx, resource_quota);
-        resource_quota = grpc_resource_quota_ref_internal(
-            channel_args->args[i].value.pointer.p);
-      }
-    }
-  }
-
-  grpc_endpoint *ep =
-      grpc_tcp_create(fd, resource_quota, tcp_read_chunk_size, addr_str);
-  grpc_resource_quota_unref_internal(exec_ctx, resource_quota);
-  return ep;
+  return grpc_tcp_create(exec_ctx, fd, channel_args, addr_str);
 }
 
 static void on_writable(grpc_exec_ctx *exec_ctx, void *acp, grpc_error *error) {

src/core/lib/iomgr/tcp_client_windows.c

@@ -63,7 +63,7 @@ typedef struct {
   int refs;
   grpc_closure on_connect;
   grpc_endpoint **endpoint;
-  grpc_resource_quota *resource_quota;
+  grpc_channel_args *channel_args;
 } async_connect;
 
 static void async_connect_unlock_and_cleanup(grpc_exec_ctx *exec_ctx,
@@ -72,7 +72,7 @@ static void async_connect_unlock_and_cleanup(grpc_exec_ctx *exec_ctx,
   int done = (--ac->refs == 0);
   gpr_mu_unlock(&ac->mu);
   if (done) {
-    grpc_resource_quota_unref_internal(exec_ctx, ac->resource_quota);
+    grpc_channel_args_destroy(exec_ctx, ac->channel_args);
     gpr_mu_destroy(&ac->mu);
     gpr_free(ac->addr_name);
     gpr_free(ac);
@@ -119,7 +119,8 @@ static void on_connect(grpc_exec_ctx *exec_ctx, void *acp, grpc_error *error) {
       if (!wsa_success) {
         error = GRPC_WSA_ERROR(WSAGetLastError(), "ConnectEx");
       } else {
-        *ep = grpc_tcp_create(socket, ac->resource_quota, ac->addr_name);
+        *ep =
+            grpc_tcp_create(exec_ctx, socket, ac->channel_args, ac->addr_name);
         socket = NULL;
       }
     } else {
@@ -152,17 +153,6 @@ static void tcp_client_connect_impl(
   grpc_winsocket_callback_info *info;
   grpc_error *error = GRPC_ERROR_NONE;
 
-  grpc_resource_quota *resource_quota = grpc_resource_quota_create(NULL);
-  if (channel_args != NULL) {
-    for (size_t i = 0; i < channel_args->num_args; i++) {
-      if (0 == strcmp(channel_args->args[i].key, GRPC_ARG_RESOURCE_QUOTA)) {
-        grpc_resource_quota_unref_internal(exec_ctx, resource_quota);
-        resource_quota = grpc_resource_quota_ref_internal(
-            channel_args->args[i].value.pointer.p);
-      }
-    }
-  }
-
   *endpoint = NULL;
 
   /* Use dualstack sockets where available. */
@@ -225,7 +215,7 @@ static void tcp_client_connect_impl(
   ac->refs = 2;
   ac->addr_name = grpc_sockaddr_to_uri(addr);
   ac->endpoint = endpoint;
-  ac->resource_quota = resource_quota;
+  ac->channel_args = grpc_channel_args_copy(channel_args);
   grpc_closure_init(&ac->on_connect, on_connect, ac, grpc_schedule_on_exec_ctx);
 
   grpc_closure_init(&ac->on_alarm, on_alarm, ac, grpc_schedule_on_exec_ctx);
@@ -247,7 +237,6 @@ failure:
   } else if (sock != INVALID_SOCKET) {
     closesocket(sock);
   }
-  grpc_resource_quota_unref_internal(exec_ctx, resource_quota);
   grpc_closure_sched(exec_ctx, on_done, final_error);
 }
 

src/core/lib/iomgr/tcp_posix.c

@@ -52,7 +52,9 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
+#include <grpc/support/useful.h>
 
+#include "src/core/lib/channel/channel_args.h"
 #include "src/core/lib/debug/trace.h"
 #include "src/core/lib/iomgr/ev_posix.h"
 #include "src/core/lib/profiling/timers.h"
@@ -80,10 +82,14 @@ typedef struct {
   int fd;
   bool finished_edge;
   msg_iovlen_type iov_size; /* Number of slices to allocate per read attempt */
-  size_t slice_size;
+  double target_length;
+  double bytes_read_this_round;
   gpr_refcount refcount;
   gpr_atm shutdown_count;
 
+  int min_read_chunk_size;
+  int max_read_chunk_size;
+
   /* garbage after the last read */
   grpc_slice_buffer last_read_buffer;
 
@@ -108,6 +114,42 @@ typedef struct {
   grpc_resource_user_slice_allocator slice_allocator;
 } grpc_tcp;
 
+static void add_to_estimate(grpc_tcp *tcp, size_t bytes) {
+  tcp->bytes_read_this_round += (double)bytes;
+}
+
+static void finish_estimate(grpc_tcp *tcp) {
+  /* If we read >80% of the target buffer in one read loop, increase the size
+     of the target buffer to either the amount read, or twice its previous
+     value */
+  if (tcp->bytes_read_this_round > tcp->target_length * 0.8) {
+    tcp->target_length =
+        GPR_MAX(2 * tcp->target_length, tcp->bytes_read_this_round);
+  } else {
+    tcp->target_length =
+        0.99 * tcp->target_length + 0.01 * tcp->bytes_read_this_round;
+  }
+  tcp->bytes_read_this_round = 0;
+}
+
+static size_t get_target_read_size(grpc_tcp *tcp) {
+  grpc_resource_quota *rq = grpc_resource_user_quota(tcp->resource_user);
+  double pressure = grpc_resource_quota_get_memory_pressure(rq);
+  double target =
+      tcp->target_length * (pressure > 0.8 ? (1.0 - pressure) / 0.2 : 1.0);
+  size_t sz = (((size_t)GPR_CLAMP(target, tcp->min_read_chunk_size,
+                                  tcp->max_read_chunk_size)) +
+               255) &
+              ~(size_t)255;
+  /* don't use more than 1/16th of the overall resource quota for a single read
+   * alloc */
+  size_t rqmax = grpc_resource_quota_peek_size(rq);
+  if (sz > rqmax / 16 && rqmax > 1024) {
+    sz = rqmax / 16;
+  }
+  return sz;
+}
+
 static grpc_error *tcp_annotate_error(grpc_error *src_error, grpc_tcp *tcp) {
   return grpc_error_set_str(
       grpc_error_set_int(src_error, GRPC_ERROR_INT_FD, tcp->fd),
@@ -232,9 +274,7 @@ static void tcp_do_read(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp) {
     /* NB: After calling call_read_cb a parallel call of the read handler may
      * be running. */
     if (errno == EAGAIN) {
-      if (tcp->iov_size > 1) {
-        tcp->iov_size /= 2;
-      }
+      finish_estimate(tcp);
       /* We've consumed the edge, request a new one */
       grpc_fd_notify_on_read(exec_ctx, tcp->em_fd, &tcp->read_closure);
     } else {
@@ -253,14 +293,13 @@ static void tcp_do_read(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp) {
             GRPC_ERROR_CREATE_FROM_STATIC_STRING("Socket closed"), tcp));
     TCP_UNREF(exec_ctx, tcp, "read");
   } else {
+    add_to_estimate(tcp, (size_t)read_bytes);
     GPR_ASSERT((size_t)read_bytes <= tcp->incoming_buffer->length);
     if ((size_t)read_bytes < tcp->incoming_buffer->length) {
       grpc_slice_buffer_trim_end(
           tcp->incoming_buffer,
           tcp->incoming_buffer->length - (size_t)read_bytes,
           &tcp->last_read_buffer);
-    } else if (tcp->iov_size < MAX_READ_IOVEC) {
-      ++tcp->iov_size;
     }
     GPR_ASSERT((size_t)read_bytes == tcp->incoming_buffer->length);
     call_read_cb(exec_ctx, tcp, GRPC_ERROR_NONE);
@@ -285,11 +324,11 @@ static void tcp_read_allocation_done(grpc_exec_ctx *exec_ctx, void *tcpp,
 }
 
 static void tcp_continue_read(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp) {
-  if (tcp->incoming_buffer->count < (size_t)tcp->iov_size) {
-    grpc_resource_user_alloc_slices(
-        exec_ctx, &tcp->slice_allocator, tcp->slice_size,
-        (size_t)tcp->iov_size - tcp->incoming_buffer->count,
-        tcp->incoming_buffer);
+  size_t target_read_size = get_target_read_size(tcp);
+  if (tcp->incoming_buffer->length < target_read_size &&
+      tcp->incoming_buffer->count < MAX_READ_IOVEC) {
+    grpc_resource_user_alloc_slices(exec_ctx, &tcp->slice_allocator,
+                                    target_read_size, 1, tcp->incoming_buffer);
   } else {
     tcp_do_read(exec_ctx, tcp);
   }
@@ -540,9 +579,50 @@ static const grpc_endpoint_vtable vtable = {tcp_read,
                                             tcp_get_peer,
                                             tcp_get_fd};
 
-grpc_endpoint *grpc_tcp_create(grpc_fd *em_fd,
-                               grpc_resource_quota *resource_quota,
-                               size_t slice_size, const char *peer_string) {
+#define MAX_CHUNK_SIZE 32 * 1024 * 1024
+
+grpc_endpoint *grpc_tcp_create(grpc_exec_ctx *exec_ctx, grpc_fd *em_fd,
+                               const grpc_channel_args *channel_args,
+                               const char *peer_string) {
+  int tcp_read_chunk_size = GRPC_TCP_DEFAULT_READ_SLICE_SIZE;
+  int tcp_max_read_chunk_size = 4 * 1024 * 1024;
+  int tcp_min_read_chunk_size = 256;
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create(NULL);
+  if (channel_args != NULL) {
+    for (size_t i = 0; i < channel_args->num_args; i++) {
+      if (0 ==
+          strcmp(channel_args->args[i].key, GRPC_ARG_TCP_READ_CHUNK_SIZE)) {
+        grpc_integer_options options = {(int)tcp_read_chunk_size, 1,
+                                        MAX_CHUNK_SIZE};
+        tcp_read_chunk_size =
+            grpc_channel_arg_get_integer(&channel_args->args[i], options);
+      } else if (0 == strcmp(channel_args->args[i].key,
+                             GRPC_ARG_TCP_MIN_READ_CHUNK_SIZE)) {
+        grpc_integer_options options = {(int)tcp_read_chunk_size, 1,
+                                        MAX_CHUNK_SIZE};
+        tcp_min_read_chunk_size =
+            grpc_channel_arg_get_integer(&channel_args->args[i], options);
+      } else if (0 == strcmp(channel_args->args[i].key,
+                             GRPC_ARG_TCP_MAX_READ_CHUNK_SIZE)) {
+        grpc_integer_options options = {(int)tcp_read_chunk_size, 1,
+                                        MAX_CHUNK_SIZE};
+        tcp_max_read_chunk_size =
+            grpc_channel_arg_get_integer(&channel_args->args[i], options);
+      } else if (0 ==
+                 strcmp(channel_args->args[i].key, GRPC_ARG_RESOURCE_QUOTA)) {
+        grpc_resource_quota_unref_internal(exec_ctx, resource_quota);
+        resource_quota = grpc_resource_quota_ref_internal(
+            channel_args->args[i].value.pointer.p);
+      }
+    }
+  }
+
+  if (tcp_min_read_chunk_size > tcp_max_read_chunk_size) {
+    tcp_min_read_chunk_size = tcp_max_read_chunk_size;
+  }
+  tcp_read_chunk_size = GPR_CLAMP(tcp_read_chunk_size, tcp_min_read_chunk_size,
+                                  tcp_max_read_chunk_size);
+
   grpc_tcp *tcp = (grpc_tcp *)gpr_malloc(sizeof(grpc_tcp));
   tcp->base.vtable = &vtable;
   tcp->peer_string = gpr_strdup(peer_string);
@@ -552,7 +632,10 @@ grpc_endpoint *grpc_tcp_create(grpc_fd *em_fd,
   tcp->release_fd_cb = NULL;
   tcp->release_fd = NULL;
   tcp->incoming_buffer = NULL;
-  tcp->slice_size = slice_size;
+  tcp->target_length = (double)tcp_read_chunk_size;
+  tcp->min_read_chunk_size = tcp_min_read_chunk_size;
+  tcp->max_read_chunk_size = tcp_max_read_chunk_size;
+  tcp->bytes_read_this_round = 0;
   tcp->iov_size = 1;
   tcp->finished_edge = true;
   /* paired with unref in grpc_tcp_destroy */
@@ -569,6 +652,7 @@ grpc_endpoint *grpc_tcp_create(grpc_fd *em_fd,
       &tcp->slice_allocator, tcp->resource_user, tcp_read_allocation_done, tcp);
   /* Tell network status tracker about new endpoint */
   grpc_network_status_register_endpoint(&tcp->base);
+  grpc_resource_quota_unref_internal(exec_ctx, resource_quota);
 
   return &tcp->base;
 }

src/core/lib/iomgr/tcp_posix.h

@@ -47,14 +47,13 @@
 #include "src/core/lib/iomgr/endpoint.h"
 #include "src/core/lib/iomgr/ev_posix.h"
 
-#define GRPC_TCP_DEFAULT_READ_SLICE_SIZE 8192
-
 extern int grpc_tcp_trace;
 
 /* Create a tcp endpoint given a file desciptor and a read slice size.
    Takes ownership of fd. */
-grpc_endpoint *grpc_tcp_create(grpc_fd *fd, grpc_resource_quota *resource_quota,
-                               size_t read_slice_size, const char *peer_string);
+grpc_endpoint *grpc_tcp_create(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+                               const grpc_channel_args *args,
+                               const char *peer_string);
 
 /* Return the tcp endpoint's fd, or -1 if this is not available. Does not
    release the fd.

src/core/lib/iomgr/tcp_server_posix.c

@@ -59,6 +59,7 @@
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
 
+#include "src/core/lib/channel/channel_args.h"
 #include "src/core/lib/iomgr/resolve_address.h"
 #include "src/core/lib/iomgr/sockaddr.h"
 #include "src/core/lib/iomgr/sockaddr_utils.h"
@@ -90,7 +91,6 @@ grpc_error *grpc_tcp_server_create(grpc_exec_ctx *exec_ctx,
 
   grpc_tcp_server *s = gpr_zalloc(sizeof(grpc_tcp_server));
   s->so_reuseport = has_so_reuseport;
-  s->resource_quota = grpc_resource_quota_create(NULL);
   s->expand_wildcard_addrs = false;
   for (size_t i = 0; i < (args == NULL ? 0 : args->num_args); i++) {
     if (0 == strcmp(GRPC_ARG_ALLOW_REUSEPORT, args->args[i].key)) {
@@ -98,27 +98,14 @@ grpc_error *grpc_tcp_server_create(grpc_exec_ctx *exec_ctx,
         s->so_reuseport =
             has_so_reuseport && (args->args[i].value.integer != 0);
       } else {
-        grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota);
         gpr_free(s);
         return GRPC_ERROR_CREATE_FROM_STATIC_STRING(GRPC_ARG_ALLOW_REUSEPORT
                                                     " must be an integer");
       }
-    } else if (0 == strcmp(GRPC_ARG_RESOURCE_QUOTA, args->args[i].key)) {
-      if (args->args[i].type == GRPC_ARG_POINTER) {
-        grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota);
-        s->resource_quota =
-            grpc_resource_quota_ref_internal(args->args[i].value.pointer.p);
-      } else {
-        grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota);
-        gpr_free(s);
-        return GRPC_ERROR_CREATE_FROM_STATIC_STRING(
-            GRPC_ARG_RESOURCE_QUOTA " must be a pointer to a buffer pool");
-      }
     } else if (0 == strcmp(GRPC_ARG_EXPAND_WILDCARD_ADDRS, args->args[i].key)) {
       if (args->args[i].type == GRPC_ARG_INTEGER) {
         s->expand_wildcard_addrs = (args->args[i].value.integer != 0);
       } else {
-        grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota);
         gpr_free(s);
         return GRPC_ERROR_CREATE_FROM_STATIC_STRING(
             GRPC_ARG_EXPAND_WILDCARD_ADDRS " must be an integer");
@@ -138,6 +125,7 @@ grpc_error *grpc_tcp_server_create(grpc_exec_ctx *exec_ctx,
   s->head = NULL;
   s->tail = NULL;
   s->nports = 0;
+  s->channel_args = grpc_channel_args_copy(args);
   gpr_atm_no_barrier_store(&s->next_pollset_to_assign, 0);
   *server = s;
   return GRPC_ERROR_NONE;
@@ -158,8 +146,7 @@ static void finish_shutdown(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) {
     s->head = sp->next;
     gpr_free(sp);
   }
-
-  grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota);
+  grpc_channel_args_destroy(exec_ctx, s->channel_args);
 
   gpr_free(s);
 }
@@ -286,8 +273,7 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *err) {
 
     sp->server->on_accept_cb(
         exec_ctx, sp->server->on_accept_cb_arg,
-        grpc_tcp_create(fdobj, sp->server->resource_quota,
-                        GRPC_TCP_DEFAULT_READ_SLICE_SIZE, addr_str),
+        grpc_tcp_create(exec_ctx, fdobj, sp->server->channel_args, addr_str),
         read_notifier_pollset, acceptor);
 
     gpr_free(name);

src/core/lib/iomgr/tcp_server_utils_posix.h

@@ -103,7 +103,8 @@ struct grpc_tcp_server {
   /* next pollset to assign a channel to */
   gpr_atm next_pollset_to_assign;
 
-  grpc_resource_quota *resource_quota;
+  /* channel args for this server */
+  grpc_channel_args *channel_args;
 };
 
 /* If successful, add a listener to \a s for \a addr, set \a dsmode for the

src/core/lib/iomgr/tcp_server_windows.c

@@ -46,6 +46,7 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
 
+#include "src/core/lib/channel/channel_args.h"
 #include "src/core/lib/iomgr/iocp_windows.h"
 #include "src/core/lib/iomgr/pollset_windows.h"
 #include "src/core/lib/iomgr/resolve_address.h"
@@ -102,7 +103,7 @@ struct grpc_tcp_server {
   /* shutdown callback */
   grpc_closure *shutdown_complete;
 
-  grpc_resource_quota *resource_quota;
+  grpc_channel_args *channel_args;
 };
 
 /* Public function. Allocates the proper data structures to hold a
@@ -112,21 +113,7 @@ grpc_error *grpc_tcp_server_create(grpc_exec_ctx *exec_ctx,
                                    const grpc_channel_args *args,
                                    grpc_tcp_server **server) {
   grpc_tcp_server *s = gpr_malloc(sizeof(grpc_tcp_server));
-  s->resource_quota = grpc_resource_quota_create(NULL);
-  for (size_t i = 0; i < (args == NULL ? 0 : args->num_args); i++) {
-    if (0 == strcmp(GRPC_ARG_RESOURCE_QUOTA, args->args[i].key)) {
-      if (args->args[i].type == GRPC_ARG_POINTER) {
-        grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota);
-        s->resource_quota =
-            grpc_resource_quota_ref_internal(args->args[i].value.pointer.p);
-      } else {
-        grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota);
-        gpr_free(s);
-        return GRPC_ERROR_CREATE_FROM_STATIC_STRING(
-            GRPC_ARG_RESOURCE_QUOTA " must be a pointer to a buffer pool");
-      }
-    }
-  }
+  s->channel_args = grpc_channel_args_copy(args);
   gpr_ref_init(&s->refs, 1);
   gpr_mu_init(&s->mu);
   s->active_ports = 0;
@@ -155,7 +142,7 @@ static void destroy_server(grpc_exec_ctx *exec_ctx, void *arg,
     grpc_winsocket_destroy(sp->socket);
     gpr_free(sp);
   }
-  grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota);
+  grpc_channel_args_destroy(exec_ctx, s->channel_args);
   gpr_free(s);
 }
 
@@ -383,8 +370,8 @@ static void on_accept(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
         gpr_free(utf8_message);
       }
       gpr_asprintf(&fd_name, "tcp_server:%s", peer_name_string);
-      ep = grpc_tcp_create(grpc_winsocket_create(sock, fd_name),
-                           sp->server->resource_quota, peer_name_string);
+      ep = grpc_tcp_create(exec_ctx, grpc_winsocket_create(sock, fd_name),
+                           sp->server->channel_args, peer_name_string);
       gpr_free(fd_name);
       gpr_free(peer_name_string);
     } else {

src/core/lib/iomgr/tcp_windows.c

@@ -430,9 +430,19 @@ static grpc_endpoint_vtable vtable = {win_read,
                                       win_get_peer,
                                       win_get_fd};
 
-grpc_endpoint *grpc_tcp_create(grpc_winsocket *socket,
-                               grpc_resource_quota *resource_quota,
+grpc_endpoint *grpc_tcp_create(grpc_exec_ctx *exec_ctx, grpc_winsocket *socket,
+                               grpc_channel_args *channel_args,
                                char *peer_string) {
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create(NULL);
+  if (channel_args != NULL) {
+    for (size_t i = 0; i < channel_args->num_args; i++) {
+      if (0 == strcmp(channel_args->args[i].key, GRPC_ARG_RESOURCE_QUOTA)) {
+        grpc_resource_quota_unref_internal(exec_ctx, resource_quota);
+        resource_quota = grpc_resource_quota_ref_internal(
+            channel_args->args[i].value.pointer.p);
+      }
+    }
+  }
   grpc_tcp *tcp = (grpc_tcp *)gpr_malloc(sizeof(grpc_tcp));
   memset(tcp, 0, sizeof(grpc_tcp));
   tcp->base.vtable = &vtable;

src/core/lib/iomgr/tcp_windows.h

@@ -50,8 +50,8 @@
 /* Create a tcp endpoint given a winsock handle.
  * Takes ownership of the handle.
  */
-grpc_endpoint *grpc_tcp_create(grpc_winsocket *socket,
-                               grpc_resource_quota *resource_quota,
+grpc_endpoint *grpc_tcp_create(grpc_exec_ctx *exec_ctx, grpc_winsocket *socket,
+                               grpc_channel_args *channel_args,
                                char *peer_string);
 
 grpc_error *grpc_tcp_prepare_socket(SOCKET sock);

src/core/lib/security/transport/security_connector.c

@@ -448,14 +448,14 @@ grpc_server_security_connector *grpc_fake_server_security_connector_create(
 
 typedef struct {
   grpc_channel_security_connector base;
-  tsi_ssl_handshaker_factory *handshaker_factory;
+  tsi_ssl_client_handshaker_factory *handshaker_factory;
   char *target_name;
   char *overridden_target_name;
 } grpc_ssl_channel_security_connector;
 
 typedef struct {
   grpc_server_security_connector base;
-  tsi_ssl_handshaker_factory *handshaker_factory;
+  tsi_ssl_server_handshaker_factory *handshaker_factory;
 } grpc_ssl_server_security_connector;
 
 static void ssl_channel_destroy(grpc_exec_ctx *exec_ctx,
@@ -464,7 +464,7 @@ static void ssl_channel_destroy(grpc_exec_ctx *exec_ctx,
       (grpc_ssl_channel_security_connector *)sc;
   grpc_call_credentials_unref(exec_ctx, c->base.request_metadata_creds);
   if (c->handshaker_factory != NULL) {
-    tsi_ssl_handshaker_factory_destroy(c->handshaker_factory);
+    tsi_ssl_client_handshaker_factory_destroy(c->handshaker_factory);
   }
   if (c->target_name != NULL) gpr_free(c->target_name);
   if (c->overridden_target_name != NULL) gpr_free(c->overridden_target_name);
@@ -476,26 +476,11 @@ static void ssl_server_destroy(grpc_exec_ctx *exec_ctx,
   grpc_ssl_server_security_connector *c =
       (grpc_ssl_server_security_connector *)sc;
   if (c->handshaker_factory != NULL) {
-    tsi_ssl_handshaker_factory_destroy(c->handshaker_factory);
+    tsi_ssl_server_handshaker_factory_destroy(c->handshaker_factory);
   }
   gpr_free(sc);
 }
 
-static grpc_security_status ssl_create_handshaker(
-    tsi_ssl_handshaker_factory *handshaker_factory, bool is_client,
-    const char *peer_name, tsi_handshaker **handshaker) {
-  tsi_result result = TSI_OK;
-  if (handshaker_factory == NULL) return GRPC_SECURITY_ERROR;
-  result = tsi_ssl_handshaker_factory_create_handshaker(
-      handshaker_factory, is_client ? peer_name : NULL, handshaker);
-  if (result != TSI_OK) {
-    gpr_log(GPR_ERROR, "Handshaker creation failed with error %s.",
-            tsi_result_to_string(result));
-    return GRPC_SECURITY_ERROR;
-  }
-  return GRPC_SECURITY_OK;
-}
-
 static void ssl_channel_add_handshakers(grpc_exec_ctx *exec_ctx,
                                         grpc_channel_security_connector *sc,
                                         grpc_handshake_manager *handshake_mgr) {
@@ -503,11 +488,17 @@ static void ssl_channel_add_handshakers(grpc_exec_ctx *exec_ctx,
       (grpc_ssl_channel_security_connector *)sc;
   // Instantiate TSI handshaker.
   tsi_handshaker *tsi_hs = NULL;
-  ssl_create_handshaker(c->handshaker_factory, true /* is_client */,
-                        c->overridden_target_name != NULL
-                            ? c->overridden_target_name
-                            : c->target_name,
-                        &tsi_hs);
+  tsi_result result = tsi_ssl_client_handshaker_factory_create_handshaker(
+      c->handshaker_factory,
+      c->overridden_target_name != NULL ? c->overridden_target_name
+                                        : c->target_name,
+      &tsi_hs);
+  if (result != TSI_OK) {
+    gpr_log(GPR_ERROR, "Handshaker creation failed with error %s.",
+            tsi_result_to_string(result));
+    return;
+  }
+
   // Create handshakers.
   grpc_handshake_manager_add(handshake_mgr, grpc_security_handshaker_create(
                                                 exec_ctx, tsi_hs, &sc->base));
@@ -520,8 +511,14 @@ static void ssl_server_add_handshakers(grpc_exec_ctx *exec_ctx,
       (grpc_ssl_server_security_connector *)sc;
   // Instantiate TSI handshaker.
   tsi_handshaker *tsi_hs = NULL;
-  ssl_create_handshaker(c->handshaker_factory, false /* is_client */,
-                        NULL /* peer_name */, &tsi_hs);
+  tsi_result result = tsi_ssl_server_handshaker_factory_create_handshaker(
+      c->handshaker_factory, &tsi_hs);
+  if (result != TSI_OK) {
+    gpr_log(GPR_ERROR, "Handshaker creation failed with error %s.",
+            tsi_result_to_string(result));
+    return;
+  }
+
   // Create handshakers.
   grpc_handshake_manager_add(handshake_mgr, grpc_security_handshaker_create(
                                                 exec_ctx, tsi_hs, &sc->base));

src/core/lib/security/transport/security_handshaker.c

@@ -287,12 +287,11 @@ static void on_handshake_data_received_from_peer(grpc_exec_ctx *exec_ctx,
   if (num_left_overs > 0) {
     /* Put the leftovers in our buffer (ownership transfered). */
     if (has_left_overs_in_current_slice) {
-      grpc_slice_buffer_add(
-          &h->left_overs,
-          grpc_slice_split_tail(&h->args->read_buffer->slices[i],
-                                consumed_slice_size));
+      grpc_slice tail = grpc_slice_split_tail(&h->args->read_buffer->slices[i],
+                                              consumed_slice_size);
+      grpc_slice_buffer_add(&h->left_overs, tail);
       /* split_tail above increments refcount. */
-      grpc_slice_unref_internal(exec_ctx, h->args->read_buffer->slices[i]);
+      grpc_slice_unref_internal(exec_ctx, tail);
     }
     grpc_slice_buffer_addn(
         &h->left_overs, &h->args->read_buffer->slices[i + 1],

src/core/lib/slice/slice_buffer.c

@@ -46,27 +46,29 @@
 #define GROW(x) (3 * (x) / 2)
 
 static void maybe_embiggen(grpc_slice_buffer *sb) {
-  if (sb->base_slices != sb->slices) {
-    memmove(sb->base_slices, sb->slices, sb->count * sizeof(grpc_slice));
-    sb->slices = sb->base_slices;
-  }
-
   /* How far away from sb->base_slices is sb->slices pointer */
   size_t slice_offset = (size_t)(sb->slices - sb->base_slices);
   size_t slice_count = sb->count + slice_offset;
 
   if (slice_count == sb->capacity) {
-    sb->capacity = GROW(sb->capacity);
-    GPR_ASSERT(sb->capacity > slice_count);
-    if (sb->base_slices == sb->inlined) {
-      sb->base_slices = gpr_malloc(sb->capacity * sizeof(grpc_slice));
-      memcpy(sb->base_slices, sb->inlined, slice_count * sizeof(grpc_slice));
+    if (sb->base_slices != sb->slices) {
+      /* Make room by moving elements if there's still space unused */
+      memmove(sb->base_slices, sb->slices, sb->count * sizeof(grpc_slice));
+      sb->slices = sb->base_slices;
     } else {
-      sb->base_slices =
-          gpr_realloc(sb->base_slices, sb->capacity * sizeof(grpc_slice));
-    }
+      /* Allocate more memory if no more space is available */
+      sb->capacity = GROW(sb->capacity);
+      GPR_ASSERT(sb->capacity > slice_count);
+      if (sb->base_slices == sb->inlined) {
+        sb->base_slices = gpr_malloc(sb->capacity * sizeof(grpc_slice));
+        memcpy(sb->base_slices, sb->inlined, slice_count * sizeof(grpc_slice));
+      } else {
+        sb->base_slices =
+            gpr_realloc(sb->base_slices, sb->capacity * sizeof(grpc_slice));
+      }
 
-    sb->slices = sb->base_slices + slice_offset;
+      sb->slices = sb->base_slices + slice_offset;
+    }
   }
 }
 

src/core/lib/support/cpu_linux.c

@@ -67,12 +67,17 @@ unsigned gpr_cpu_num_cores(void) {
 }
 
 unsigned gpr_cpu_current_cpu(void) {
+#ifdef __GLIBC__
   int cpu = sched_getcpu();
   if (cpu < 0) {
     gpr_log(GPR_ERROR, "Error determining current CPU: %s\n", strerror(errno));
     return 0;
   }
   return (unsigned)cpu;
+#else
+  // sched_getcpu() is undefined on musl
+  return 0;
+#endif
 }
 
 #endif /* GPR_CPU_LINUX */

src/core/lib/support/wrap_memcpy.c

@@ -40,7 +40,7 @@
  */
 
 #ifdef __linux__
-#ifdef __x86_64__
+#if defined(__x86_64__) && defined(__GNU_LIBRARY__)
 __asm__(".symver memcpy,memcpy@GLIBC_2.2.5");
 void *__wrap_memcpy(void *destination, const void *source, size_t num) {
   return memcpy(destination, source, num);

src/core/lib/surface/call.c

@@ -145,16 +145,28 @@ typedef struct batch_control {
   grpc_transport_stream_op_batch op;
 } batch_control;
 
+typedef struct {
+  gpr_mu child_list_mu;
+  grpc_call *first_child;
+} parent_call;
+
+typedef struct {
+  grpc_call *parent;
+  /** siblings: children of the same parent form a list, and this list is
+     protected under
+      parent->mu */
+  grpc_call *sibling_next;
+  grpc_call *sibling_prev;
+} child_call;
+
 struct grpc_call {
   gpr_arena *arena;
   grpc_completion_queue *cq;
   grpc_polling_entity pollent;
   grpc_channel *channel;
-  grpc_call *parent;
-  grpc_call *first_child;
   gpr_timespec start_time;
-  /* protects first_child, and child next/prev links */
-  gpr_mu child_list_mu;
+  /* parent_call* */ gpr_atm parent_call_atm;
+  child_call *child_call;
 
   /* client or server call */
   bool is_client;
@@ -175,7 +187,7 @@ struct grpc_call {
   /* have we received initial metadata */
   bool has_initial_md_been_received;
 
-  batch_control active_batches[MAX_CONCURRENT_BATCHES];
+  batch_control *active_batches[MAX_CONCURRENT_BATCHES];
   grpc_transport_stream_op_batch_payload stream_op_payload;
 
   /* first idx: is_receiving, second idx: is_trailing */
@@ -206,12 +218,6 @@ struct grpc_call {
   int send_extra_metadata_count;
   gpr_timespec send_deadline;
 
-  /** siblings: children of the same parent form a list, and this list is
-     protected under
-      parent->mu */
-  grpc_call *sibling_next;
-  grpc_call *sibling_prev;
-
   grpc_slice_buffer_stream sending_stream;
 
   grpc_byte_stream *receiving_stream;
@@ -276,6 +282,23 @@ static void add_init_error(grpc_error **composite, grpc_error *new) {
   *composite = grpc_error_add_child(*composite, new);
 }
 
+static parent_call *get_or_create_parent_call(grpc_call *call) {
+  parent_call *p = (parent_call *)gpr_atm_acq_load(&call->parent_call_atm);
+  if (p == NULL) {
+    p = gpr_arena_alloc(call->arena, sizeof(*p));
+    gpr_mu_init(&p->child_list_mu);
+    if (!gpr_atm_rel_cas(&call->parent_call_atm, (gpr_atm)NULL, (gpr_atm)p)) {
+      gpr_mu_destroy(&p->child_list_mu);
+      p = (parent_call *)gpr_atm_acq_load(&call->parent_call_atm);
+    }
+  }
+  return p;
+}
+
+static parent_call *get_parent_call(grpc_call *call) {
+  return (parent_call *)gpr_atm_acq_load(&call->parent_call_atm);
+}
+
 grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx,
                              const grpc_call_create_args *args,
                              grpc_call **out_call) {
@@ -291,10 +314,8 @@ grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx,
                          sizeof(grpc_call) + channel_stack->call_stack_size);
   call->arena = arena;
   *out_call = call;
-  gpr_mu_init(&call->child_list_mu);
   call->channel = args->channel;
   call->cq = args->cq;
-  call->parent = args->parent_call;
   call->start_time = gpr_now(GPR_CLOCK_MONOTONIC);
   /* Always support no compression */
   GPR_BITSET(&call->encodings_accepted_by_peer, GRPC_COMPRESS_NONE);
@@ -326,11 +347,17 @@ grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx,
       gpr_convert_clock_type(args->send_deadline, GPR_CLOCK_MONOTONIC);
 
   if (args->parent_call != NULL) {
+    child_call *cc = call->child_call =
+        gpr_arena_alloc(arena, sizeof(child_call));
+    call->child_call->parent = args->parent_call;
+
     GRPC_CALL_INTERNAL_REF(args->parent_call, "child");
     GPR_ASSERT(call->is_client);
     GPR_ASSERT(!args->parent_call->is_client);
 
-    gpr_mu_lock(&args->parent_call->child_list_mu);
+    parent_call *pc = get_or_create_parent_call(args->parent_call);
+
+    gpr_mu_lock(&pc->child_list_mu);
 
     if (args->propagation_mask & GRPC_PROPAGATE_DEADLINE) {
       send_deadline = gpr_time_min(
@@ -364,17 +391,17 @@ grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx,
       }
     }
 
-    if (args->parent_call->first_child == NULL) {
-      args->parent_call->first_child = call;
-      call->sibling_next = call->sibling_prev = call;
+    if (pc->first_child == NULL) {
+      pc->first_child = call;
+      cc->sibling_next = cc->sibling_prev = call;
     } else {
-      call->sibling_next = args->parent_call->first_child;
-      call->sibling_prev = args->parent_call->first_child->sibling_prev;
-      call->sibling_next->sibling_prev = call->sibling_prev->sibling_next =
-          call;
+      cc->sibling_next = pc->first_child;
+      cc->sibling_prev = pc->first_child->child_call->sibling_prev;
+      cc->sibling_next->child_call->sibling_prev =
+          cc->sibling_prev->child_call->sibling_next = call;
     }
 
-    gpr_mu_unlock(&args->parent_call->child_list_mu);
+    gpr_mu_unlock(&pc->child_list_mu);
   }
 
   call->send_deadline = send_deadline;
@@ -469,7 +496,10 @@ static void destroy_call(grpc_exec_ctx *exec_ctx, void *call,
   if (c->receiving_stream != NULL) {
     grpc_byte_stream_destroy(exec_ctx, c->receiving_stream);
   }
-  gpr_mu_destroy(&c->child_list_mu);
+  parent_call *pc = get_parent_call(c);
+  if (pc != NULL) {
+    gpr_mu_destroy(&pc->child_list_mu);
+  }
   for (ii = 0; ii < c->send_extra_metadata_count; ii++) {
     GRPC_MDELEM_UNREF(exec_ctx, c->send_extra_metadata[ii].md);
   }
@@ -499,31 +529,31 @@ static void destroy_call(grpc_exec_ctx *exec_ctx, void *call,
 }
 
 void grpc_call_destroy(grpc_call *c) {
-  int cancel;
-  grpc_call *parent = c->parent;
+  child_call *cc = c->child_call;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
 
   GPR_TIMER_BEGIN("grpc_call_destroy", 0);
   GRPC_API_TRACE("grpc_call_destroy(c=%p)", 1, (c));
 
-  if (parent) {
-    gpr_mu_lock(&parent->child_list_mu);
-    if (c == parent->first_child) {
-      parent->first_child = c->sibling_next;
-      if (c == parent->first_child) {
-        parent->first_child = NULL;
+  if (cc) {
+    parent_call *pc = get_parent_call(cc->parent);
+    gpr_mu_lock(&pc->child_list_mu);
+    if (c == pc->first_child) {
+      pc->first_child = cc->sibling_next;
+      if (c == pc->first_child) {
+        pc->first_child = NULL;
       }
     }
-    c->sibling_prev->sibling_next = c->sibling_next;
-    c->sibling_next->sibling_prev = c->sibling_prev;
-    gpr_mu_unlock(&parent->child_list_mu);
-    GRPC_CALL_INTERNAL_UNREF(&exec_ctx, parent, "child");
+    cc->sibling_prev->child_call->sibling_next = cc->sibling_next;
+    cc->sibling_next->child_call->sibling_prev = cc->sibling_prev;
+    gpr_mu_unlock(&pc->child_list_mu);
+    GRPC_CALL_INTERNAL_UNREF(&exec_ctx, cc->parent, "child");
   }
 
   GPR_ASSERT(!c->destroy_called);
   c->destroy_called = 1;
-  cancel = gpr_atm_acq_load(&c->any_ops_sent_atm) &&
-           !gpr_atm_acq_load(&c->received_final_op_atm);
+  bool cancel = gpr_atm_acq_load(&c->any_ops_sent_atm) != 0 &&
+                gpr_atm_acq_load(&c->received_final_op_atm) == 0;
   if (cancel) {
     cancel_with_error(&exec_ctx, c, STATUS_FROM_API_OVERRIDE,
                       GRPC_ERROR_CANCELLED);
@@ -1034,7 +1064,11 @@ static batch_control *allocate_batch_control(grpc_call *call,
                                              const grpc_op *ops,
                                              size_t num_ops) {
   int slot = batch_slot_for_op(ops[0].op);
-  batch_control *bctl = &call->active_batches[slot];
+  batch_control **pslot = &call->active_batches[slot];
+  if (*pslot == NULL) {
+    *pslot = gpr_arena_alloc(call->arena, sizeof(batch_control));
+  }
+  batch_control *bctl = *pslot;
   if (bctl->call != NULL) {
     return NULL;
   }
@@ -1075,7 +1109,6 @@ static grpc_error *consolidate_batch_errors(batch_control *bctl) {
 
 static void post_batch_completion(grpc_exec_ctx *exec_ctx,
                                   batch_control *bctl) {
-  grpc_call *child_call;
   grpc_call *next_child_call;
   grpc_call *call = bctl->call;
   grpc_error *error = consolidate_batch_errors(bctl);
@@ -1100,21 +1133,25 @@ static void post_batch_completion(grpc_exec_ctx *exec_ctx,
 
     /* propagate cancellation to any interested children */
     gpr_atm_rel_store(&call->received_final_op_atm, 1);
-    gpr_mu_lock(&call->child_list_mu);
-    child_call = call->first_child;
-    if (child_call != NULL) {
-      do {
-        next_child_call = child_call->sibling_next;
-        if (child_call->cancellation_is_inherited) {
-          GRPC_CALL_INTERNAL_REF(child_call, "propagate_cancel");
-          cancel_with_error(exec_ctx, child_call, STATUS_FROM_API_OVERRIDE,
-                            GRPC_ERROR_CANCELLED);
-          GRPC_CALL_INTERNAL_UNREF(exec_ctx, child_call, "propagate_cancel");
-        }
-        child_call = next_child_call;
-      } while (child_call != call->first_child);
+    parent_call *pc = get_parent_call(call);
+    if (pc != NULL) {
+      grpc_call *child;
+      gpr_mu_lock(&pc->child_list_mu);
+      child = pc->first_child;
+      if (child != NULL) {
+        do {
+          next_child_call = child->child_call->sibling_next;
+          if (child->cancellation_is_inherited) {
+            GRPC_CALL_INTERNAL_REF(child, "propagate_cancel");
+            cancel_with_error(exec_ctx, child, STATUS_FROM_API_OVERRIDE,
+                              GRPC_ERROR_CANCELLED);
+            GRPC_CALL_INTERNAL_UNREF(exec_ctx, child, "propagate_cancel");
+          }
+          child = next_child_call;
+        } while (child != pc->first_child);
+      }
+      gpr_mu_unlock(&pc->child_list_mu);
     }
-    gpr_mu_unlock(&call->child_list_mu);
 
     if (call->is_client) {
       get_final_status(call, set_status_value_directly,

src/core/lib/surface/completion_queue.c

@@ -345,7 +345,6 @@ static void dump_pending_tags(grpc_completion_queue *cc) {}
 grpc_event grpc_completion_queue_next(grpc_completion_queue *cc,
                                       gpr_timespec deadline, void *reserved) {
   grpc_event ret;
-  grpc_pollset_worker *worker = NULL;
   gpr_timespec now;
 
   GPR_TIMER_BEGIN("grpc_completion_queue_next", 0);
@@ -426,8 +425,8 @@ grpc_event grpc_completion_queue_next(grpc_completion_queue *cc,
       gpr_mu_lock(cc->mu);
       continue;
     } else {
-      grpc_error *err = grpc_pollset_work(&exec_ctx, POLLSET_FROM_CQ(cc),
-                                          &worker, now, iteration_deadline);
+      grpc_error *err = grpc_pollset_work(&exec_ctx, POLLSET_FROM_CQ(cc), NULL,
+                                          now, iteration_deadline);
       if (err != GRPC_ERROR_NONE) {
         gpr_mu_unlock(cc->mu);
         const char *msg = grpc_error_string(err);

src/core/lib/surface/init_secure.c

@@ -31,6 +31,8 @@
  *
  */
 
+#include <grpc/support/port_platform.h>
+
 #include "src/core/lib/surface/init.h"
 
 #include <limits.h>

src/core/tsi/ssl_transport_security.c

@@ -81,23 +81,13 @@
 
 /* --- Structure definitions. ---*/
 
-struct tsi_ssl_handshaker_factory {
-  tsi_result (*create_handshaker)(tsi_ssl_handshaker_factory *self,
-                                  const char *server_name_indication,
-                                  tsi_handshaker **handshaker);
-  void (*destroy)(tsi_ssl_handshaker_factory *self);
-};
-
-typedef struct {
-  tsi_ssl_handshaker_factory base;
+struct tsi_ssl_client_handshaker_factory {
   SSL_CTX *ssl_context;
   unsigned char *alpn_protocol_list;
   size_t alpn_protocol_list_length;
-} tsi_ssl_client_handshaker_factory;
-
-typedef struct {
-  tsi_ssl_handshaker_factory base;
+};
 
+struct tsi_ssl_server_handshaker_factory {
   /* Several contexts to support SNI.
      The tsi_peer array contains the subject names of the server certificates
      associated with the contexts at the same index.  */
@@ -106,7 +96,7 @@ typedef struct {
   size_t ssl_context_count;
   unsigned char *alpn_protocol_list;
   size_t alpn_protocol_list_length;
-} tsi_ssl_server_handshaker_factory;
+};
 
 typedef struct {
   tsi_handshaker base;
@@ -1053,18 +1043,6 @@ static const tsi_handshaker_vtable handshaker_vtable = {
 
 /* --- tsi_ssl_handshaker_factory common methods. --- */
 
-tsi_result tsi_ssl_handshaker_factory_create_handshaker(
-    tsi_ssl_handshaker_factory *self, const char *server_name_indication,
-    tsi_handshaker **handshaker) {
-  if (self == NULL || handshaker == NULL) return TSI_INVALID_ARGUMENT;
-  return self->create_handshaker(self, server_name_indication, handshaker);
-}
-
-void tsi_ssl_handshaker_factory_destroy(tsi_ssl_handshaker_factory *self) {
-  if (self == NULL) return;
-  self->destroy(self);
-}
-
 static tsi_result create_tsi_ssl_handshaker(SSL_CTX *ctx, int is_client,
                                             const char *server_name_indication,
                                             tsi_handshaker **handshaker) {
@@ -1152,24 +1130,20 @@ static int select_protocol_list(const unsigned char **out,
   return SSL_TLSEXT_ERR_NOACK;
 }
 
-/* --- tsi_ssl__client_handshaker_factory methods implementation. --- */
+/* --- tsi_ssl_client_handshaker_factory methods implementation. --- */
 
-static tsi_result ssl_client_handshaker_factory_create_handshaker(
-    tsi_ssl_handshaker_factory *self, const char *server_name_indication,
+tsi_result tsi_ssl_client_handshaker_factory_create_handshaker(
+    tsi_ssl_client_handshaker_factory *self, const char *server_name_indication,
     tsi_handshaker **handshaker) {
-  tsi_ssl_client_handshaker_factory *impl =
-      (tsi_ssl_client_handshaker_factory *)self;
-  return create_tsi_ssl_handshaker(impl->ssl_context, 1, server_name_indication,
+  return create_tsi_ssl_handshaker(self->ssl_context, 1, server_name_indication,
                                    handshaker);
 }
 
-static void ssl_client_handshaker_factory_destroy(
-    tsi_ssl_handshaker_factory *self) {
-  tsi_ssl_client_handshaker_factory *impl =
-      (tsi_ssl_client_handshaker_factory *)self;
-  if (impl->ssl_context != NULL) SSL_CTX_free(impl->ssl_context);
-  if (impl->alpn_protocol_list != NULL) gpr_free(impl->alpn_protocol_list);
-  gpr_free(impl);
+void tsi_ssl_client_handshaker_factory_destroy(
+    tsi_ssl_client_handshaker_factory *self) {
+  if (self->ssl_context != NULL) SSL_CTX_free(self->ssl_context);
+  if (self->alpn_protocol_list != NULL) gpr_free(self->alpn_protocol_list);
+  gpr_free(self);
 }
 
 static int client_handshaker_factory_npn_callback(SSL *ssl, unsigned char **out,
@@ -1186,36 +1160,29 @@ static int client_handshaker_factory_npn_callback(SSL *ssl, unsigned char **out,
 
 /* --- tsi_ssl_server_handshaker_factory methods implementation. --- */
 
-static tsi_result ssl_server_handshaker_factory_create_handshaker(
-    tsi_ssl_handshaker_factory *self, const char *server_name_indication,
-    tsi_handshaker **handshaker) {
-  tsi_ssl_server_handshaker_factory *impl =
-      (tsi_ssl_server_handshaker_factory *)self;
-  if (impl->ssl_context_count == 0 || server_name_indication != NULL) {
-    return TSI_INVALID_ARGUMENT;
-  }
+tsi_result tsi_ssl_server_handshaker_factory_create_handshaker(
+    tsi_ssl_server_handshaker_factory *self, tsi_handshaker **handshaker) {
+  if (self->ssl_context_count == 0) return TSI_INVALID_ARGUMENT;
   /* Create the handshaker with the first context. We will switch if needed
      because of SNI in ssl_server_handshaker_factory_servername_callback.  */
-  return create_tsi_ssl_handshaker(impl->ssl_contexts[0], 0, NULL, handshaker);
+  return create_tsi_ssl_handshaker(self->ssl_contexts[0], 0, NULL, handshaker);
 }
 
-static void ssl_server_handshaker_factory_destroy(
-    tsi_ssl_handshaker_factory *self) {
-  tsi_ssl_server_handshaker_factory *impl =
-      (tsi_ssl_server_handshaker_factory *)self;
+void tsi_ssl_server_handshaker_factory_destroy(
+    tsi_ssl_server_handshaker_factory *self) {
   size_t i;
-  for (i = 0; i < impl->ssl_context_count; i++) {
-    if (impl->ssl_contexts[i] != NULL) {
-      SSL_CTX_free(impl->ssl_contexts[i]);
-      tsi_peer_destruct(&impl->ssl_context_x509_subject_names[i]);
+  for (i = 0; i < self->ssl_context_count; i++) {
+    if (self->ssl_contexts[i] != NULL) {
+      SSL_CTX_free(self->ssl_contexts[i]);
+      tsi_peer_destruct(&self->ssl_context_x509_subject_names[i]);
     }
   }
-  if (impl->ssl_contexts != NULL) gpr_free(impl->ssl_contexts);
-  if (impl->ssl_context_x509_subject_names != NULL) {
-    gpr_free(impl->ssl_context_x509_subject_names);
+  if (self->ssl_contexts != NULL) gpr_free(self->ssl_contexts);
+  if (self->ssl_context_x509_subject_names != NULL) {
+    gpr_free(self->ssl_context_x509_subject_names);
   }
-  if (impl->alpn_protocol_list != NULL) gpr_free(impl->alpn_protocol_list);
-  gpr_free(impl);
+  if (self->alpn_protocol_list != NULL) gpr_free(self->alpn_protocol_list);
+  gpr_free(self);
 }
 
 static int does_entry_match_name(const char *entry, size_t entry_length,
@@ -1317,7 +1284,7 @@ tsi_result tsi_create_ssl_client_handshaker_factory(
     const unsigned char *pem_root_certs, size_t pem_root_certs_size,
     const char *cipher_list, const unsigned char **alpn_protocols,
     const unsigned char *alpn_protocols_lengths, uint16_t num_alpn_protocols,
-    tsi_ssl_handshaker_factory **factory) {
+    tsi_ssl_client_handshaker_factory **factory) {
   SSL_CTX *ssl_context = NULL;
   tsi_ssl_client_handshaker_factory *impl = NULL;
   tsi_result result = TSI_OK;
@@ -1373,16 +1340,13 @@ tsi_result tsi_create_ssl_client_handshaker_factory(
     }
   } while (0);
   if (result != TSI_OK) {
-    ssl_client_handshaker_factory_destroy(&impl->base);
+    tsi_ssl_client_handshaker_factory_destroy(impl);
     return result;
   }
   SSL_CTX_set_verify(ssl_context, SSL_VERIFY_PEER, NULL);
   /* TODO(jboeuf): Add revocation verification. */
 
-  impl->base.create_handshaker =
-      ssl_client_handshaker_factory_create_handshaker;
-  impl->base.destroy = ssl_client_handshaker_factory_destroy;
-  *factory = &impl->base;
+  *factory = impl;
   return TSI_OK;
 }
 
@@ -1394,7 +1358,7 @@ tsi_result tsi_create_ssl_server_handshaker_factory(
     size_t pem_client_root_certs_size, int force_client_auth,
     const char *cipher_list, const unsigned char **alpn_protocols,
     const unsigned char *alpn_protocols_lengths, uint16_t num_alpn_protocols,
-    tsi_ssl_handshaker_factory **factory) {
+    tsi_ssl_server_handshaker_factory **factory) {
   return tsi_create_ssl_server_handshaker_factory_ex(
       pem_private_keys, pem_private_keys_sizes, pem_cert_chains,
       pem_cert_chains_sizes, key_cert_pair_count, pem_client_root_certs,
@@ -1414,7 +1378,7 @@ tsi_result tsi_create_ssl_server_handshaker_factory_ex(
     tsi_client_certificate_request_type client_certificate_request,
     const char *cipher_list, const unsigned char **alpn_protocols,
     const unsigned char *alpn_protocols_lengths, uint16_t num_alpn_protocols,
-    tsi_ssl_handshaker_factory **factory) {
+    tsi_ssl_server_handshaker_factory **factory) {
   tsi_ssl_server_handshaker_factory *impl = NULL;
   tsi_result result = TSI_OK;
   size_t i = 0;
@@ -1429,15 +1393,12 @@ tsi_result tsi_create_ssl_server_handshaker_factory_ex(
   }
 
   impl = gpr_zalloc(sizeof(*impl));
-  impl->base.create_handshaker =
-      ssl_server_handshaker_factory_create_handshaker;
-  impl->base.destroy = ssl_server_handshaker_factory_destroy;
   impl->ssl_contexts = gpr_zalloc(key_cert_pair_count * sizeof(SSL_CTX *));
   impl->ssl_context_x509_subject_names =
       gpr_zalloc(key_cert_pair_count * sizeof(tsi_peer));
   if (impl->ssl_contexts == NULL ||
       impl->ssl_context_x509_subject_names == NULL) {
-    tsi_ssl_handshaker_factory_destroy(&impl->base);
+    tsi_ssl_server_handshaker_factory_destroy(impl);
     return TSI_OUT_OF_RESOURCES;
   }
   impl->ssl_context_count = key_cert_pair_count;
@@ -1447,7 +1408,7 @@ tsi_result tsi_create_ssl_server_handshaker_factory_ex(
         alpn_protocols, alpn_protocols_lengths, num_alpn_protocols,
         &impl->alpn_protocol_list, &impl->alpn_protocol_list_length);
     if (result != TSI_OK) {
-      tsi_ssl_handshaker_factory_destroy(&impl->base);
+      tsi_ssl_server_handshaker_factory_destroy(impl);
       return result;
     }
   }
@@ -1520,11 +1481,11 @@ tsi_result tsi_create_ssl_server_handshaker_factory_ex(
     } while (0);
 
     if (result != TSI_OK) {
-      tsi_ssl_handshaker_factory_destroy(&impl->base);
+      tsi_ssl_server_handshaker_factory_destroy(impl);
       return result;
     }
   }
-  *factory = &impl->base;
+  *factory = impl;
   return TSI_OK;
 }
 

src/core/tsi/ssl_transport_security.h

@@ -52,12 +52,13 @@ extern "C" {
 
 #define TSI_SSL_ALPN_SELECTED_PROTOCOL "ssl_alpn_selected_protocol"
 
-/* --- tsi_ssl_handshaker_factory object ---
+/* --- tsi_ssl_client_handshaker_factory object ---
 
-   This object creates tsi_handshaker objects implemented in terms of the
-   TLS 1.2 specificiation.  */
+   This object creates a client tsi_handshaker objects implemented in terms of
+   the TLS 1.2 specificiation.  */
 
-typedef struct tsi_ssl_handshaker_factory tsi_ssl_handshaker_factory;
+typedef struct tsi_ssl_client_handshaker_factory
+    tsi_ssl_client_handshaker_factory;
 
 /* Creates a client handshaker factory.
    - pem_private_key is the buffer containing the PEM encoding of the client's
@@ -92,7 +93,33 @@ tsi_result tsi_create_ssl_client_handshaker_factory(
     const unsigned char *pem_root_certs, size_t pem_root_certs_size,
     const char *cipher_suites, const unsigned char **alpn_protocols,
     const unsigned char *alpn_protocols_lengths, uint16_t num_alpn_protocols,
-    tsi_ssl_handshaker_factory **factory);
+    tsi_ssl_client_handshaker_factory **factory);
+
+/* Creates a client handshaker.
+  - self is the factory from which the handshaker will be created.
+  - server_name_indication indicates the name of the server the client is
+    trying to connect to which will be relayed to the server using the SNI
+    extension.
+  - handshaker is the address of the handshaker pointer to be created.
+
+  - This method returns TSI_OK on success or TSI_INVALID_PARAMETER in the case
+    where a parameter is invalid.  */
+tsi_result tsi_ssl_client_handshaker_factory_create_handshaker(
+    tsi_ssl_client_handshaker_factory *self, const char *server_name_indication,
+    tsi_handshaker **handshaker);
+
+/* Destroys the handshaker factory. WARNING: it is unsafe to destroy a factory
+   while handshakers created with this factory are still in use.  */
+void tsi_ssl_client_handshaker_factory_destroy(
+    tsi_ssl_client_handshaker_factory *self);
+
+/* --- tsi_ssl_server_handshaker_factory object ---
+
+   This object creates a client tsi_handshaker objects implemented in terms of
+   the TLS 1.2 specificiation.  */
+
+typedef struct tsi_ssl_server_handshaker_factory
+    tsi_ssl_server_handshaker_factory;
 
 /* Creates a server handshaker factory.
    - version indicates which version of the specification to use.
@@ -140,7 +167,7 @@ tsi_result tsi_create_ssl_server_handshaker_factory(
     size_t pem_client_root_certs_size, int force_client_auth,
     const char *cipher_suites, const unsigned char **alpn_protocols,
     const unsigned char *alpn_protocols_lengths, uint16_t num_alpn_protocols,
-    tsi_ssl_handshaker_factory **factory);
+    tsi_ssl_server_handshaker_factory **factory);
 
 /* Same as tsi_create_ssl_server_handshaker_factory method except uses
    tsi_client_certificate_request_type to support more ways to handle client
@@ -157,25 +184,21 @@ tsi_result tsi_create_ssl_server_handshaker_factory_ex(
     tsi_client_certificate_request_type client_certificate_request,
     const char *cipher_suites, const unsigned char **alpn_protocols,
     const unsigned char *alpn_protocols_lengths, uint16_t num_alpn_protocols,
-    tsi_ssl_handshaker_factory **factory);
+    tsi_ssl_server_handshaker_factory **factory);
 
-/* Creates a handshaker.
+/* Creates a server handshaker.
   - self is the factory from which the handshaker will be created.
-  - server_name_indication indicates the name of the server the client is
-    trying to connect to which will be relayed to the server using the SNI
-    extension.
-    This parameter must be NULL for a server handshaker factory.
-  - handhshaker is the address of the handshaker pointer to be created.
+  - handshaker is the address of the handshaker pointer to be created.
 
   - This method returns TSI_OK on success or TSI_INVALID_PARAMETER in the case
     where a parameter is invalid.  */
-tsi_result tsi_ssl_handshaker_factory_create_handshaker(
-    tsi_ssl_handshaker_factory *self, const char *server_name_indication,
-    tsi_handshaker **handshaker);
+tsi_result tsi_ssl_server_handshaker_factory_create_handshaker(
+    tsi_ssl_server_handshaker_factory *self, tsi_handshaker **handshaker);
 
 /* Destroys the handshaker factory. WARNING: it is unsafe to destroy a factory
    while handshakers created with this factory are still in use.  */
-void tsi_ssl_handshaker_factory_destroy(tsi_ssl_handshaker_factory *self);
+void tsi_ssl_server_handshaker_factory_destroy(
+    tsi_ssl_server_handshaker_factory *self);
 
 /* Util that checks that an ssl peer matches a specific name.
    Still TODO(jboeuf):

src/csharp/Grpc.Auth/Grpc.Auth.csproj

@@ -1,78 +1,38 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <Import Project="..\Grpc.Core\Version.csproj.include" />
+  <Import Project="..\Grpc.Core\Common.csproj.include" />
+
   <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}</ProjectGuid>
-    <OutputType>Library</OutputType>
-    <RootNamespace>Grpc.Auth</RootNamespace>
+    <Copyright>Copyright 2015, Google Inc.</Copyright>
+    <AssemblyTitle>gRPC C# Auth</AssemblyTitle>
+    <VersionPrefix>$(GrpcCsharpVersion)</VersionPrefix>
+    <Authors>Google Inc.</Authors>
+    <TargetFrameworks>net45;netstandard1.5</TargetFrameworks>
+    <DefineConstants>$(DefineConstants);SIGNED</DefineConstants>
     <AssemblyName>Grpc.Auth</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <DocumentationFile>bin\$(Configuration)\Grpc.Auth.Xml</DocumentationFile>
-    <NuGetPackageImportStamp>455903a2</NuGetPackageImportStamp>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug</OutputPath>
-    <DefineConstants>DEBUG;</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <ConsolePause>false</ConsolePause>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release</OutputPath>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <ConsolePause>false</ConsolePause>
+    <PackageId>Grpc.Auth</PackageId>
+    <PackageTags>gRPC RPC Protocol HTTP/2 Auth OAuth2</PackageTags>
+    <PackageProjectUrl>https://github.com/grpc/grpc</PackageProjectUrl>
+    <PackageLicenseUrl>https://github.com/grpc/grpc/blob/master/LICENSE</PackageLicenseUrl>
+    <NetStandardImplicitPackageVersion Condition=" '$(TargetFramework)' == 'netstandard1.5' ">1.6.0</NetStandardImplicitPackageVersion>
   </PropertyGroup>
+
   <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Net" />
-    <Reference Include="System.Net.Http" />
-    <Reference Include="System.Net.Http.WebRequest" />
-    <Reference Include="Zlib.Portable">
-      <HintPath>..\packages\Zlib.Portable.Signed.1.11.0\lib\portable-net4+sl5+wp8+win8+wpa81+MonoTouch+MonoAndroid\Zlib.Portable.dll</HintPath>
-    </Reference>
-    <Reference Include="Google.Apis.Core">
-      <HintPath>..\packages\Google.Apis.Core.1.21.0\lib\net45\Google.Apis.Core.dll</HintPath>
-    </Reference>
-    <Reference Include="Google.Apis">
-      <HintPath>..\packages\Google.Apis.1.21.0\lib\net45\Google.Apis.dll</HintPath>
-    </Reference>
-    <Reference Include="Google.Apis.PlatformServices">
-      <HintPath>..\packages\Google.Apis.1.21.0\lib\net45\Google.Apis.PlatformServices.dll</HintPath>
-    </Reference>
-    <Reference Include="Google.Apis.Auth">
-      <HintPath>..\packages\Google.Apis.Auth.1.21.0\lib\net45\Google.Apis.Auth.dll</HintPath>
-    </Reference>
-    <Reference Include="Google.Apis.Auth.PlatformServices">
-      <HintPath>..\packages\Google.Apis.Auth.1.21.0\lib\net45\Google.Apis.Auth.PlatformServices.dll</HintPath>
-    </Reference>
-    <Reference Include="Newtonsoft.Json">
-      <HintPath>..\packages\Newtonsoft.Json.9.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
-    </Reference>
+    <Compile Include="..\Grpc.Core\Version.cs" />
   </ItemGroup>
+
   <ItemGroup>
-    <Compile Include="..\Grpc.Core\Version.cs">
-      <Link>Version.cs</Link>
-    </Compile>
-    <Compile Include="GoogleGrpcCredentials.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="GoogleAuthInterceptors.cs" />
+    <ProjectReference Include="../Grpc.Core/Grpc.Core.csproj" />
   </ItemGroup>
-  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+
   <ItemGroup>
-    <ProjectReference Include="..\Grpc.Core\Grpc.Core.csproj">
-      <Project>{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}</Project>
-      <Name>Grpc.Core</Name>
-    </ProjectReference>
+    <PackageReference Include="Google.Apis.Auth" Version="1.21.0" />
   </ItemGroup>
-  <ItemGroup>
-    <None Include="Grpc.Auth.project.json" />
-    <None Include="packages.config" />
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
+    <Reference Include="System" />
+    <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
-</Project>
+
+</Project>

src/csharp/Grpc.Auth/Grpc.Auth.project.json

@@ -1,8 +0,0 @@
-{
-  "frameworks": {
-    "net45": { }
-  },
-  "runtimes": {
-    "win": { }
-  }
-}

src/csharp/Grpc.Auth/Grpc.Auth.xproj

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0.25123" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup>
-    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">14.0.25123</VisualStudioVersion>
-    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
-  </PropertyGroup>
-  <Import Project="$(VSToolsPath)\DNX\Microsoft.DNX.Props" Condition="'$(VSToolsPath)' != ''" />
-  <PropertyGroup Label="Globals">
-    <ProjectGuid>c82631ed-06d1-4458-87bc-8257d12307a8</ProjectGuid>
-    <RootNamespace>Grpc.Auth</RootNamespace>
-    <BaseIntermediateOutputPath Condition="'$(BaseIntermediateOutputPath)'=='' ">..\Grpc.Core\artifacts\obj\$(MSBuildProjectName)</BaseIntermediateOutputPath>
-    <OutputPath Condition="'$(OutputPath)'=='' ">.\bin\</OutputPath>
-  </PropertyGroup>
-  <PropertyGroup>
-    <SchemaVersion>2.0</SchemaVersion>
-  </PropertyGroup>
-  <Import Project="$(VSToolsPath)\DNX\Microsoft.DNX.targets" Condition="'$(VSToolsPath)' != ''" />
-</Project>

src/csharp/Grpc.Auth/packages.config

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="Google.Apis" version="1.21.0" targetFramework="net45" />
-  <package id="Google.Apis.Auth" version="1.21.0" targetFramework="net45" />
-  <package id="Google.Apis.Core" version="1.21.0" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net45" />
-  <package id="Zlib.Portable.Signed" version="1.11.0" targetFramework="net45" />
-</packages>

src/csharp/Grpc.Core.Testing/Grpc.Core.Testing.csproj

@@ -1,68 +1,36 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <Import Project="..\Grpc.Core\Version.csproj.include" />
+  <Import Project="..\Grpc.Core\Common.csproj.include" />
+
   <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{3AB047CA-6CF9-435D-AA61-2D86C6FA2457}</ProjectGuid>
-    <OutputType>Library</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>Grpc.Core.Testing</RootNamespace>
+    <Copyright>Copyright 2017, Google Inc.</Copyright>
+    <AssemblyTitle>gRPC C# Core Testing</AssemblyTitle>
+    <VersionPrefix>$(GrpcCsharpVersion)</VersionPrefix>
+    <Authors>Google Inc.</Authors>
+    <TargetFrameworks>net45;netstandard1.5</TargetFrameworks>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <AssemblyName>Grpc.Core.Testing</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-    <DocumentationFile>bin\$(Configuration)\Grpc.Core.Testing.Xml</DocumentationFile>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
+    <PackageId>Grpc.Core.Testing</PackageId>
+    <PackageTags>gRPC test testing</PackageTags>
+    <PackageProjectUrl>https://github.com/grpc/grpc</PackageProjectUrl>
+    <PackageLicenseUrl>https://github.com/grpc/grpc/blob/master/LICENSE</PackageLicenseUrl>
+    <NetStandardImplicitPackageVersion Condition=" '$(TargetFramework)' == 'netstandard1.5' ">1.6.0</NetStandardImplicitPackageVersion>
   </PropertyGroup>
+
   <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Core" />
-    <Reference Include="System.Xml.Linq" />
-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Xml" />
-    <Reference Include="System.Interactive.Async">
-      <HintPath>..\packages\System.Interactive.Async.3.1.1\lib\net45\System.Interactive.Async.dll</HintPath>
-    </Reference>
+    <Compile Include="..\Grpc.Core\Version.cs" />
   </ItemGroup>
+
   <ItemGroup>
-    <Compile Include="..\Grpc.Core\Version.cs">
-      <Link>Version.cs</Link>
-    </Compile>
-    <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="TestCalls.cs" />
+    <ProjectReference Include="../Grpc.Core/Grpc.Core.csproj" />
   </ItemGroup>
-  <ItemGroup>
-    <None Include="Grpc.Core.Testing.project.json" />
-    <None Include="packages.config" />
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\Grpc.Core\Grpc.Core.csproj">
-      <Project>{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}</Project>
-      <Name>Grpc.Core</Name>
-    </ProjectReference>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
+    <Reference Include="System.Runtime" />
+    <Reference Include="System.IO" />
+    <Reference Include="System" />
+    <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
-</Project>
+
+</Project>

src/csharp/Grpc.Core.Testing/Grpc.Core.Testing.project.json

@@ -1,8 +0,0 @@
-{
-  "frameworks": {
-    "net45": { }
-  },
-  "runtimes": {
-    "win": { }
-  }
-}

src/csharp/Grpc.Core.Testing/Grpc.Core.Testing.xproj

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0.25123" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup>
-    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">14.0.25123</VisualStudioVersion>
-    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
-  </PropertyGroup>
-  <Import Project="$(VSToolsPath)\DNX\Microsoft.DNX.Props" Condition="'$(VSToolsPath)' != ''" />
-  <PropertyGroup Label="Globals">
-    <ProjectGuid>2b372155-80ba-4cf9-82d6-4b938e8ec3a0</ProjectGuid>
-    <RootNamespace>Grpc.Core.Testing</RootNamespace>
-    <BaseIntermediateOutputPath Condition="'$(BaseIntermediateOutputPath)'=='' ">..\artifacts\obj\$(MSBuildProjectName)</BaseIntermediateOutputPath>
-    <OutputPath Condition="'$(OutputPath)'=='' ">.\bin\</OutputPath>
-  </PropertyGroup>
-  <PropertyGroup>
-    <SchemaVersion>2.0</SchemaVersion>
-  </PropertyGroup>
-  <Import Project="$(VSToolsPath)\DNX\Microsoft.DNX.targets" Condition="'$(VSToolsPath)' != ''" />
-</Project>

src/csharp/Grpc.Core.Testing/packages.config

@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="System.Interactive.Async" version="3.1.1" targetFramework="net45" />
-</packages>

src/csharp/Grpc.Core.Tests/Grpc.Core.Tests.csproj

@@ -1,103 +1,37 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <Import Project="..\Grpc.Core\Version.csproj.include" />
+  <Import Project="..\Grpc.Core\Common.csproj.include" />
+
   <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{86EC5CB4-4EA2-40A2-8057-86542A0353BB}</ProjectGuid>
-    <OutputType>Exe</OutputType>
-    <RootNamespace>Grpc.Core.Tests</RootNamespace>
+    <TargetFrameworks>net45;netcoreapp1.0</TargetFrameworks>
     <AssemblyName>Grpc.Core.Tests</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug</OutputPath>
-    <DefineConstants>DEBUG;</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release</OutputPath>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
+    <OutputType>Exe</OutputType>
+    <PackageId>Grpc.Core.Tests</PackageId>
+    <PackageTargetFallback Condition=" '$(TargetFramework)' == 'netcoreapp1.0' ">$(PackageTargetFallback);portable-net45</PackageTargetFallback>
+    <RuntimeFrameworkVersion Condition=" '$(TargetFramework)' == 'netcoreapp1.0' ">1.0.4</RuntimeFrameworkVersion>
   </PropertyGroup>
+
   <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Interactive.Async">
-      <HintPath>..\packages\System.Interactive.Async.3.1.1\lib\net45\System.Interactive.Async.dll</HintPath>
-    </Reference>
-    <Reference Include="Newtonsoft.Json">
-      <HintPath>..\packages\Newtonsoft.Json.9.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
-    </Reference>
-    <Reference Include="nunit.framework">
-      <HintPath>..\packages\NUnit.3.6.0\lib\net45\nunit.framework.dll</HintPath>
-    </Reference>
-    <Reference Include="nunitlite">
-      <HintPath>..\packages\NUnitLite.3.6.0\lib\net45\nunitlite.dll</HintPath>
-    </Reference>
+    <ProjectReference Include="../Grpc.Core/Grpc.Core.csproj" />
   </ItemGroup>
+
   <ItemGroup>
-    <Compile Include="..\Grpc.Core\Version.cs">
-      <Link>Version.cs</Link>
-    </Compile>
-    <Compile Include="CallCredentialsTest.cs" />
-    <Compile Include="CallOptionsTest.cs" />
-    <Compile Include="UserAgentStringTest.cs" />
-    <Compile Include="FakeCredentials.cs" />
-    <Compile Include="MarshallingErrorsTest.cs" />
-    <Compile Include="ChannelCredentialsTest.cs" />
-    <Compile Include="ShutdownTest.cs" />
-    <Compile Include="Internal\AsyncCallTest.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="ClientServerTest.cs" />
-    <Compile Include="ServerTest.cs" />
-    <Compile Include="GrpcEnvironmentTest.cs" />
-    <Compile Include="PInvokeTest.cs" />
-    <Compile Include="Internal\MetadataArraySafeHandleTest.cs" />
-    <Compile Include="Internal\CompletionQueueSafeHandleTest.cs" />
-    <Compile Include="Internal\CompletionQueueEventTest.cs" />
-    <Compile Include="Internal\ChannelArgsSafeHandleTest.cs" />
-    <Compile Include="ChannelOptionsTest.cs" />
-    <Compile Include="Internal\TimespecTest.cs" />
-    <Compile Include="TimeoutsTest.cs" />
-    <Compile Include="ChannelTest.cs" />
-    <Compile Include="MockServiceHelper.cs" />
-    <Compile Include="ResponseHeadersTest.cs" />
-    <Compile Include="CompressionTest.cs" />
-    <Compile Include="ContextPropagationTest.cs" />
-    <Compile Include="MetadataTest.cs" />
-    <Compile Include="PerformanceTest.cs" />
-    <Compile Include="SanityTest.cs" />
-    <Compile Include="HalfcloseTest.cs" />
-    <Compile Include="NUnitMain.cs" />
-    <Compile Include="Internal\FakeNativeCall.cs" />
-    <Compile Include="Internal\AsyncCallServerTest.cs" />
-    <Compile Include="ShutdownHookServerTest.cs" />
-    <Compile Include="ShutdownHookPendingCallTest.cs" />
-    <Compile Include="ShutdownHookClientTest.cs" />
-    <Compile Include="AppDomainUnloadTest.cs" />
-    <Compile Include="AuthContextTest.cs" />
-    <Compile Include="AuthPropertyTest.cs" />
+    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
+    <PackageReference Include="NUnit" Version="3.6.0" />
+    <PackageReference Include="NUnitLite" Version="3.6.0" />
+    <PackageReference Include="NUnit.ConsoleRunner" Version="3.6.0" />
+    <PackageReference Include="OpenCover" Version="4.6.519" />
+    <PackageReference Include="ReportGenerator" Version="2.4.4.0" />
   </ItemGroup>
-  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
-  <ItemGroup>
-    <ProjectReference Include="..\Grpc.Core\Grpc.Core.csproj">
-      <Project>{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}</Project>
-      <Name>Grpc.Core</Name>
-    </ProjectReference>
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="Grpc.Core.Tests.project.json" />
-    <None Include="packages.config">
-      <SubType>Designer</SubType>
-    </None>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
+    <Reference Include="System" />
+    <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
+
   <ItemGroup>
-    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+    <Compile Include="..\Grpc.Core\Version.cs" />
   </ItemGroup>
-  <ItemGroup />
+
 </Project>

src/csharp/Grpc.Core.Tests/Grpc.Core.Tests.project.json

@@ -1,8 +0,0 @@
-{
-  "frameworks": {
-    "net45": { }
-  },
-  "runtimes": {
-    "win": { }
-  }
-}

src/csharp/Grpc.Core.Tests/Grpc.Core.Tests.xproj

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0.25123" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup>
-    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">14.0.25123</VisualStudioVersion>
-    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
-  </PropertyGroup>
-  <Import Project="$(VSToolsPath)\DNX\Microsoft.DNX.Props" Condition="'$(VSToolsPath)' != ''" />
-  <PropertyGroup Label="Globals">
-    <ProjectGuid>759e23b2-fc04-4695-902d-b073cded3599</ProjectGuid>
-    <RootNamespace>Grpc.Core.Tests</RootNamespace>
-    <BaseIntermediateOutputPath Condition="'$(BaseIntermediateOutputPath)'=='' ">..\artifacts\obj\$(MSBuildProjectName)</BaseIntermediateOutputPath>
-    <OutputPath Condition="'$(OutputPath)'=='' ">.\bin\</OutputPath>
-  </PropertyGroup>
-  <PropertyGroup>
-    <SchemaVersion>2.0</SchemaVersion>
-  </PropertyGroup>
-  <Import Project="$(VSToolsPath)\DNX\Microsoft.DNX.targets" Condition="'$(VSToolsPath)' != ''" />
-</Project>

src/csharp/Grpc.Core.Tests/SanityTest.cs

@@ -101,7 +101,7 @@ namespace Grpc.Core.Tests
         private string ReadTestsJson()
         {
             var assemblyDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
-            var testsJsonFile = Path.Combine(assemblyDir, "..", "..", "..", "tests.json");
+            var testsJsonFile = Path.Combine(assemblyDir, "..", "..", "..", "..", "tests.json");
             return File.ReadAllText(testsJsonFile);
         }
 

src/csharp/Grpc.Core.Tests/packages.config

@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net45" />
-  <package id="NUnit" version="3.6.0" targetFramework="net45" />
-  <package id="NUnitLite" version="3.6.0" targetFramework="net45" />
-  <package id="OpenCover" version="4.6.519" />
-  <package id="ReportGenerator" version="2.4.4.0" />
-  <package id="System.Interactive.Async" version="3.1.1" targetFramework="net45" />
-</packages>

src/csharp/Grpc.Core.Tests/project.json

@@ -1,69 +0,0 @@
-{
-  "buildOptions": {
-    "emitEntryPoint": true
-  },
-  "configurations": {
-    "Debug": {
-      "buildOptions": {
-        "define": [ "SIGNED" ],
-        "keyFile": "../keys/Grpc.snk",
-        "xmlDoc": true,
-        "compile": {
-          "includeFiles": [ "../Grpc.Core/Version.cs" ]
-        },
-        "copyToOutput": {
-          "mappings": {
-            "grpc_csharp_ext.x64.dll": "../../../cmake/build/x64/Debug/grpc_csharp_ext.dll",
-            "grpc_csharp_ext.x86.dll": "../../../cmake/build/Win32/Debug/grpc_csharp_ext.dll",
-            "libgrpc_csharp_ext.x64.so": "../../../libs/dbg/libgrpc_csharp_ext.so",
-            "libgrpc_csharp_ext.x64.dylib": "../../../libs/dbg/libgrpc_csharp_ext.dylib"
-          }
-        }
-      }
-    },
-    "Release": {
-      "buildOptions": {
-        "define": [ "SIGNED" ],
-        "keyFile": "../keys/Grpc.snk",
-        "xmlDoc": true,
-        "compile": {
-          "includeFiles": [ "../Grpc.Core/Version.cs" ]
-        },
-        "copyToOutput": {
-          "mappings": {
-            "grpc_csharp_ext.x64.dll": "../../../cmake/build/x64/Release/grpc_csharp_ext.dll",
-            "grpc_csharp_ext.x86.dll": "../../../cmake/build/Win32/Release/grpc_csharp_ext.dll",
-            "libgrpc_csharp_ext.x64.so": "../../../libs/opt/libgrpc_csharp_ext.so",
-            "libgrpc_csharp_ext.x64.dylib": "../../../libs/opt/libgrpc_csharp_ext.dylib"
-          }
-        }
-      }
-    }
-  },
-
-  "dependencies": {
-    "Grpc.Core": {
-      "target": "project"
-    },
-    "Newtonsoft.Json": "9.0.1",
-    "NUnit": "3.6.0",
-    "NUnitLite": "3.6.0",
-    "NUnit.ConsoleRunner": "3.6.0",
-    "OpenCover": "4.6.519",
-    "ReportGenerator": "2.4.4.0"
-  },
-  "frameworks": {
-    "net45": { },
-    "netcoreapp1.0": {
-      "imports": [
-        "portable-net45"
-      ],
-      "dependencies": {
-        "Microsoft.NETCore.App": {
-          "type": "platform",
-          "version": "1.0.0"
-        }
-      }
-    }
-  },
-}

src/csharp/Grpc.Core/Common.csproj.include

@@ -0,0 +1,32 @@
+<!-- Common definitions shared by all .csproj files -->
+<Project>
+  <PropertyGroup>
+    <GenerateAssemblyVersionAttribute>false</GenerateAssemblyVersionAttribute>
+    <GenerateAssemblyFileVersionAttribute>false</GenerateAssemblyFileVersionAttribute>
+    <GenerateAssemblyInformationalVersionAttribute>false</GenerateAssemblyInformationalVersionAttribute>
+    <GenerateAssemblyTitleAttribute>false</GenerateAssemblyTitleAttribute>
+    <GenerateAssemblyDescriptionAttribute>false</GenerateAssemblyDescriptionAttribute>
+    <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
+    <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
+    <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
+    <GenerateAssemblyCopyrightAttribute>false</GenerateAssemblyCopyrightAttribute>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <DefineConstants>$(DefineConstants);SIGNED</DefineConstants>
+    <AssemblyOriginatorKeyFile>../keys/Grpc.snk</AssemblyOriginatorKeyFile>
+    <SignAssembly>true</SignAssembly>
+    <PublicSign Condition=" '$(OS)' != 'Windows_NT' ">true</PublicSign>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(OS)' != 'Windows_NT'">
+    <!-- Workaround for https://github.com/dotnet/sdk/issues/335 -->
+    <FrameworkPathOverride Condition="Exists('/usr/lib/mono/4.5-api')">/usr/lib/mono/4.5-api</FrameworkPathOverride>
+    <FrameworkPathOverride Condition="Exists('/usr/local/lib/mono/4.5-api')">/usr/local/lib/mono/4.5-api</FrameworkPathOverride>
+    <FrameworkPathOverride Condition="Exists('/Library/Frameworks/Mono.framework/Versions/Current/lib/mono/4.5-api')">/Library/Frameworks/Mono.framework/Versions/Current/lib/mono/4.5-api</FrameworkPathOverride>
+  </PropertyGroup>
+</Project>

src/csharp/Grpc.Core/Grpc.Core.csproj

@@ -1,151 +1,68 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <Import Project="Version.csproj.include" />
+  <Import Project="Common.csproj.include" />
+
   <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}</ProjectGuid>
-    <OutputType>Library</OutputType>
-    <RootNamespace>Grpc.Core</RootNamespace>
+    <Copyright>Copyright 2015, Google Inc.</Copyright>
+    <AssemblyTitle>gRPC C# Core</AssemblyTitle>
+    <VersionPrefix>$(GrpcCsharpVersion)</VersionPrefix>
+    <Authors>Google Inc.</Authors>
+    <TargetFrameworks>net45;netstandard1.5</TargetFrameworks>
     <AssemblyName>Grpc.Core</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <NuGetPackageImportStamp>c0512805</NuGetPackageImportStamp>
-    <DocumentationFile>bin\$(Configuration)\Grpc.Core.Xml</DocumentationFile>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug</OutputPath>
-    <DefineConstants>DEBUG;</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release</OutputPath>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
+    <PackageId>Grpc.Core</PackageId>
+    <PackageTags>gRPC RPC Protocol HTTP/2</PackageTags>
+    <PackageProjectUrl>https://github.com/grpc/grpc</PackageProjectUrl>
+    <PackageLicenseUrl>https://github.com/grpc/grpc/blob/master/LICENSE</PackageLicenseUrl>
+    <NetStandardImplicitPackageVersion Condition=" '$(TargetFramework)' == 'netstandard1.5' ">1.6.0</NetStandardImplicitPackageVersion>
   </PropertyGroup>
+
   <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Interactive.Async">
-      <HintPath>..\packages\System.Interactive.Async.3.1.1\lib\net45\System.Interactive.Async.dll</HintPath>
-    </Reference>
+    <EmbeddedResource Include="..\..\..\etc\roots.pem" />
+    <Content Include="..\nativelibs\macosx_x64\libgrpc_csharp_ext.dylib">
+      <PackagePath>runtimes/osx/native/libgrpc_csharp_ext.x64.dylib</PackagePath>
+      <Pack>true</Pack>
+    </Content>
+    <Content Include="..\nativelibs\macosx_x86\libgrpc_csharp_ext.dylib">
+      <PackagePath>runtimes/osx/native/libgrpc_csharp_ext.x86.dylib</PackagePath>
+      <Pack>true</Pack>
+    </Content>
+    <Content Include="..\nativelibs\linux_x64\libgrpc_csharp_ext.so">
+      <PackagePath>runtimes/linux/native/libgrpc_csharp_ext.x64.so</PackagePath>
+      <Pack>true</Pack>
+    </Content>
+    <Content Include="..\nativelibs\linux_x86\libgrpc_csharp_ext.so">
+      <PackagePath>runtimes/linux/native/libgrpc_csharp_ext.x86.so</PackagePath>
+      <Pack>true</Pack>
+    </Content>
+    <Content Include="..\nativelibs\windows_x64\grpc_csharp_ext.dll">
+      <PackagePath>runtimes/win/native/grpc_csharp_ext.x64.dll</PackagePath>
+      <Pack>true</Pack>
+    </Content>
+    <Content Include="..\nativelibs\windows_x86\grpc_csharp_ext.dll">
+      <PackagePath>runtimes/win/native/grpc_csharp_ext.x86.dll</PackagePath>
+      <Pack>true</Pack>
+    </Content>
+    <Content Include="Grpc.Core.targets">
+      <PackagePath>build/net45/</PackagePath>
+      <Pack>true</Pack>
+    </Content>
   </ItemGroup>
+
   <ItemGroup>
-    <Compile Include="AsyncDuplexStreamingCall.cs" />
-    <Compile Include="AsyncServerStreamingCall.cs" />
-    <Compile Include="AsyncAuthInterceptor.cs" />
-    <Compile Include="CallCredentials.cs" />
-    <Compile Include="IClientStreamWriter.cs" />
-    <Compile Include="Internal\NativeMethods.cs" />
-    <Compile Include="Internal\PlatformApis.cs" />
-    <Compile Include="Internal\NativeExtension.cs" />
-    <Compile Include="Internal\UnmanagedLibrary.cs" />
-    <Compile Include="Internal\NativeMetadataCredentialsPlugin.cs" />
-    <Compile Include="Internal\INativeCall.cs" />
-    <Compile Include="IServerStreamWriter.cs" />
-    <Compile Include="IAsyncStreamWriter.cs" />
-    <Compile Include="IAsyncStreamReader.cs" />
-    <Compile Include="Logging\TextWriterLogger.cs" />
-    <Compile Include="Logging\NullLogger.cs" />
-    <Compile Include="ServerPort.cs" />
-    <Compile Include="Version.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="RpcException.cs" />
-    <Compile Include="Calls.cs" />
-    <Compile Include="AsyncClientStreamingCall.cs" />
-    <Compile Include="GrpcEnvironment.cs" />
-    <Compile Include="Status.cs" />
-    <Compile Include="StatusCode.cs" />
-    <Compile Include="Server.cs" />
-    <Compile Include="Channel.cs" />
-    <Compile Include="Internal\CallSafeHandle.cs" />
-    <Compile Include="Internal\ChannelSafeHandle.cs" />
-    <Compile Include="Internal\CompletionQueueSafeHandle.cs" />
-    <Compile Include="Internal\SafeHandleZeroIsInvalid.cs" />
-    <Compile Include="Internal\Timespec.cs" />
-    <Compile Include="Internal\GrpcThreadPool.cs" />
-    <Compile Include="Internal\ServerSafeHandle.cs" />
-    <Compile Include="Method.cs" />
-    <Compile Include="Internal\ServerCallHandler.cs" />
-    <Compile Include="Marshaller.cs" />
-    <Compile Include="ServerServiceDefinition.cs" />
-    <Compile Include="Utils\AsyncStreamExtensions.cs" />
-    <Compile Include="Utils\BenchmarkUtil.cs" />
-    <Compile Include="ChannelCredentials.cs" />
-    <Compile Include="Internal\ChannelArgsSafeHandle.cs" />
-    <Compile Include="Internal\AsyncCallBase.cs" />
-    <Compile Include="Internal\AsyncCallServer.cs" />
-    <Compile Include="Internal\AsyncCall.cs" />
-    <Compile Include="Internal\ServerCredentialsSafeHandle.cs" />
-    <Compile Include="ServerCredentials.cs" />
-    <Compile Include="Metadata.cs" />
-    <Compile Include="Internal\MetadataArraySafeHandle.cs" />
-    <Compile Include="ClientBase.cs" />
-    <Compile Include="Internal\ServerCalls.cs" />
-    <Compile Include="ServerMethods.cs" />
-    <Compile Include="Internal\ClientRequestStream.cs" />
-    <Compile Include="Internal\ClientResponseStream.cs" />
-    <Compile Include="Internal\ServerRequestStream.cs" />
-    <Compile Include="Internal\ServerResponseStream.cs" />
-    <Compile Include="Internal\AtomicCounter.cs" />
-    <Compile Include="Internal\DebugStats.cs" />
-    <Compile Include="ServerCallContext.cs" />
-    <Compile Include="Internal\CompletionQueueEvent.cs" />
-    <Compile Include="Internal\CompletionRegistry.cs" />
-    <Compile Include="Internal\BatchContextSafeHandle.cs" />
-    <Compile Include="ChannelOptions.cs" />
-    <Compile Include="AsyncUnaryCall.cs" />
-    <Compile Include="VersionInfo.cs" />
-    <Compile Include="Internal\CStringSafeHandle.cs" />
-    <Compile Include="KeyCertificatePair.cs" />
-    <Compile Include="Logging\ILogger.cs" />
-    <Compile Include="Logging\ConsoleLogger.cs" />
-    <Compile Include="Internal\NativeLogRedirector.cs" />
-    <Compile Include="ChannelState.cs" />
-    <Compile Include="CallInvocationDetails.cs" />
-    <Compile Include="CallOptions.cs" />
-    <Compile Include="CompressionLevel.cs" />
-    <Compile Include="WriteOptions.cs" />
-    <Compile Include="ContextPropagationToken.cs" />
-    <Compile Include="Internal\CallCredentialsSafeHandle.cs" />
-    <Compile Include="Internal\ChannelCredentialsSafeHandle.cs" />
-    <Compile Include="Profiling\ProfilerEntry.cs" />
-    <Compile Include="Profiling\ProfilerScope.cs" />
-    <Compile Include="Profiling\IProfiler.cs" />
-    <Compile Include="Profiling\Profilers.cs" />
-    <Compile Include="Internal\DefaultSslRootsOverride.cs" />
-    <Compile Include="Utils\GrpcPreconditions.cs" />
-    <Compile Include="CallInvoker.cs" />
-    <Compile Include="DefaultCallInvoker.cs" />
-    <Compile Include="Internal\UnimplementedCallInvoker.cs" />
-    <Compile Include="Internal\InterceptingCallInvoker.cs" />
-    <Compile Include="Internal\ServerRpcNew.cs" />
-    <Compile Include="Internal\ClientSideStatus.cs" />
-    <Compile Include="Internal\ClockType.cs" />
-    <Compile Include="Internal\CallError.cs" />
-    <Compile Include="Logging\LogLevel.cs" />
-    <Compile Include="Logging\LogLevelFilterLogger.cs" />
-    <Compile Include="Internal\RequestCallContextSafeHandle.cs" />
-    <Compile Include="Utils\TaskUtils.cs" />
-    <Compile Include="Internal\CallFlags.cs" />
-    <Compile Include="AuthContext.cs" />
-    <Compile Include="Internal\AuthContextSafeHandle.cs" />
-    <Compile Include="Internal\MarshalUtils.cs" />
-    <Compile Include="AuthProperty.cs" />
+    <PackageReference Include="System.Interactive.Async" Version="3.1.1" />
   </ItemGroup>
-  <ItemGroup>
-    <None Include="Grpc.Core.project.json" />
-    <None Include="packages.config" />
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
+    <Reference Include="System" />
+    <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
-  <Import Project="NativeDeps.targets" />
-  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
-  <ItemGroup />
-  <ItemGroup>
-    <EmbeddedResource Include="..\..\..\etc\roots.pem">
-      <Link>roots.pem</Link>
-    </EmbeddedResource>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.5' ">
+    <PackageReference Include="System.Runtime.Loader" Version="4.0.0" />
+    <PackageReference Include="System.Threading.Thread" Version="4.0.0" />
   </ItemGroup>
-</Project>
+
+  <Import Project="NativeDeps.csproj.include" />
+
+</Project>

src/csharp/Grpc.Core/Grpc.Core.project.json

@@ -1,8 +0,0 @@
-{
-  "frameworks": {
-    "net45": { }
-  },
-  "runtimes": {
-    "win": { }
-  }
-}

src/csharp/Grpc.Core/Grpc.Core.xproj

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup>
-    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">14.0</VisualStudioVersion>
-    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
-  </PropertyGroup>
-  <Import Project="$(VSToolsPath)\DNX\Microsoft.DNX.Props" Condition="'$(VSToolsPath)' != ''" />
-  <PropertyGroup Label="Globals">
-    <ProjectGuid>dc9908b6-f291-4fc8-a46d-2ea2551790ec</ProjectGuid>
-    <RootNamespace>Grpc.Core</RootNamespace>
-    <BaseIntermediateOutputPath Condition="'$(BaseIntermediateOutputPath)'=='' ">..\artifacts\obj\$(MSBuildProjectName)</BaseIntermediateOutputPath>
-    <OutputPath Condition="'$(OutputPath)'=='' ">.\bin\</OutputPath>
-  </PropertyGroup>
-  <PropertyGroup>
-    <SchemaVersion>2.0</SchemaVersion>
-  </PropertyGroup>
-  <Import Project="$(VSToolsPath)\DNX\Microsoft.DNX.targets" Condition="'$(VSToolsPath)' != ''" />
-</Project>

src/csharp/Grpc.Core/Internal/CompletionRegistry.cs

@@ -51,7 +51,7 @@ namespace Grpc.Core.Internal
         static readonly ILogger Logger = GrpcEnvironment.Logger.ForType<CompletionRegistry>();
 
         readonly GrpcEnvironment environment;
-        readonly ConcurrentDictionary<IntPtr, OpCompletionDelegate> dict = new ConcurrentDictionary<IntPtr, OpCompletionDelegate>();
+        readonly ConcurrentDictionary<IntPtr, OpCompletionDelegate> dict = new ConcurrentDictionary<IntPtr, OpCompletionDelegate>(new IntPtrComparer());
 
         public CompletionRegistry(GrpcEnvironment environment)
         {
@@ -121,5 +121,21 @@ namespace Grpc.Core.Internal
                 }
             }
         }
+
+        /// <summary>
+        /// IntPtr doesn't implement <c>IEquatable{IntPtr}</c> so we need to use custom comparer to avoid boxing.
+        /// </summary>
+        private class IntPtrComparer : IEqualityComparer<IntPtr>
+        {
+            public bool Equals(IntPtr x, IntPtr y)
+            {
+                return x == y;
+            }
+
+            public int GetHashCode(IntPtr obj)
+            {
+                return obj.GetHashCode();
+            }
+        }
     }
 }

src/csharp/Grpc.Core/NativeDeps.Linux.csproj.include

@@ -1,9 +1,9 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project>
   <ItemGroup>
     <Content Include="..\..\..\libs\$(NativeDependenciesConfigurationUnix)\libgrpc_csharp_ext.so">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
       <Link>libgrpc_csharp_ext.x64.so</Link>
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      <Pack>false</Pack>
     </Content>
   </ItemGroup>
 </Project>

src/csharp/Grpc.Core/NativeDeps.Mac.csproj.include

@@ -0,0 +1,17 @@
+<Project>
+  <ItemGroup>
+    <!-- We are relying on run_tests.py to build grpc_csharp_ext with the right bitness
+    and we copy it as both x86 (needed by net45) and x64 (needed by netcoreapp1.0) as we don't
+    know which one will be needed to run the tests. -->
+    <Content Include="..\..\..\libs\$(NativeDependenciesConfigurationUnix)\libgrpc_csharp_ext.dylib">
+      <Link>libgrpc_csharp_ext.x86.dylib</Link>
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      <Pack>false</Pack>
+    </Content>
+    <Content Include="..\..\..\libs\$(NativeDependenciesConfigurationUnix)\libgrpc_csharp_ext.dylib">
+      <Link>libgrpc_csharp_ext.x64.dylib</Link>
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      <Pack>false</Pack>
+    </Content>
+  </ItemGroup>
+</Project>

src/csharp/Grpc.Core/NativeDeps.Mac.targets

@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <ItemGroup>
-    <Content Include="..\..\..\libs\$(NativeDependenciesConfigurationUnix)\libgrpc_csharp_ext.dylib">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-      <Link>libgrpc_csharp_ext.x86.dylib</Link>
-    </Content>
-  </ItemGroup>
-</Project>

src/csharp/Grpc.Core/NativeDeps.Windows.csproj.include

@@ -0,0 +1,9 @@
+<Project>
+  <ItemGroup>
+    <Content Include="..\..\..\cmake\build\x64\$(NativeDependenciesConfiguration)\grpc_csharp_ext.dll">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      <Link>grpc_csharp_ext.x64.dll</Link>
+      <Pack>false</Pack>
+    </Content>
+  </ItemGroup>
+</Project>

src/csharp/Grpc.Core/NativeDeps.Windows.targets

@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <ItemGroup>
-    <Content Include="..\..\..\cmake\build\Win32\$(NativeDependenciesConfiguration)\grpc_csharp_ext.dll">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-      <Link>grpc_csharp_ext.x86.dll</Link>
-    </Content>
-  </ItemGroup>
-</Project>

src/csharp/Grpc.Core/NativeDeps.csproj.include

@@ -1,5 +1,5 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<!-- Ensures that native libraries are copied to the output directory for Exe targets -->
+<Project>
 
   <PropertyGroup Condition=" '$(NativeDependenciesConfiguration)' == '' ">
     <NativeDependenciesConfiguration Condition=" '$(Configuration)' == 'Debug' ">Debug</NativeDependenciesConfiguration>
@@ -22,5 +22,6 @@
     <NativeDepsPlatform>Linux</NativeDepsPlatform>
   </PropertyGroup>
 
-  <Import Project="NativeDeps.$(NativeDepsPlatform).targets" />
-</Project>
+  <Import Project="NativeDeps.$(NativeDepsPlatform).csproj.include" />
+
+</Project>

src/csharp/Grpc.Core/Version.csproj.include

@@ -0,0 +1,7 @@
+<!-- This file is generated -->
+<Project>
+  <PropertyGroup>
+    <GrpcCsharpVersion>1.3.0-dev</GrpcCsharpVersion>
+    <GoogleProtobufVersion>3.2.0</GoogleProtobufVersion>
+  </PropertyGroup>
+</Project>

src/csharp/Grpc.Core/packages.config

@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="System.Interactive.Async" version="3.1.1" targetFramework="net45" />
-</packages>

src/csharp/Grpc.Core/project.json

@@ -1,45 +0,0 @@
-{
-  "version": "1.3.0-dev",
-  "title": "gRPC C# Core",
-  "authors": [ "Google Inc." ],
-  "copyright": "Copyright 2015, Google Inc.",
-  "packOptions": {
-    "summary": "Core C# implementation of gRPC - an RPC library and framework",
-    "description": "Core C# implementation of gRPC - an RPC library and framework. See project site for more info.",
-    "owners": [ "grpc-packages" ],
-    "licenseUrl": "https://github.com/grpc/grpc/blob/master/LICENSE",
-    "projectUrl": "https://github.com/grpc/grpc",
-    "requireLicenseAcceptance": false,
-    "tags": [ "gRPC RPC Protocol HTTP/2" ],
-    "files": {
-      "mappings": {
-        "build/net45/": "Grpc.Core.targets",
-        "runtimes/win/native/grpc_csharp_ext.x86.dll": "../nativelibs/windows_x86/grpc_csharp_ext.dll",
-        "runtimes/win/native/grpc_csharp_ext.x64.dll": "../nativelibs/windows_x64/grpc_csharp_ext.dll",
-        "runtimes/linux/native/libgrpc_csharp_ext.x86.so": "../nativelibs/linux_x86/libgrpc_csharp_ext.so",
-        "runtimes/linux/native/libgrpc_csharp_ext.x64.so": "../nativelibs/linux_x64/libgrpc_csharp_ext.so",
-        "runtimes/osx/native/libgrpc_csharp_ext.x86.dylib": "../nativelibs/macosx_x86/libgrpc_csharp_ext.dylib",
-        "runtimes/osx/native/libgrpc_csharp_ext.x64.dylib": "../nativelibs/macosx_x64/libgrpc_csharp_ext.dylib"
-      }
-    }
-  },
-  "buildOptions": {
-    "embed": [ "../../../etc/roots.pem" ],
-    "define": [ "SIGNED" ],
-    "keyFile": "../keys/Grpc.snk",
-    "xmlDoc": true
-  },
-  "dependencies": {
-    "System.Interactive.Async": "3.1.1"
-  },
-  "frameworks": {
-    "net45": { },
-    "netstandard1.5": {
-      "dependencies": {
-        "NETStandard.Library": "1.6.0",
-        "System.Runtime.Loader": "4.0.0",
-        "System.Threading.Thread": "4.0.0"
-      }
-    }
-  }
-}

src/csharp/Grpc.Dotnet.sln

@@ -1,112 +0,0 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 14
-VisualStudioVersion = 14.0.25420.1
-MinimumVisualStudioVersion = 10.0.40219.1
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Grpc.Core", "Grpc.Core\Grpc.Core.xproj", "{DC9908B6-F291-4FC8-A46D-2EA2551790EC}"
-EndProject
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Grpc.Auth", "Grpc.Auth\Grpc.Auth.xproj", "{C82631ED-06D1-4458-87BC-8257D12307A8}"
-EndProject
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Grpc.Core.Tests", "Grpc.Core.Tests\Grpc.Core.Tests.xproj", "{759E23B2-FC04-4695-902D-B073CDED3599}"
-EndProject
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Grpc.Examples", "Grpc.Examples\Grpc.Examples.xproj", "{C77B792D-FC78-4CE2-9522-B40B0803C636}"
-EndProject
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Grpc.Examples.MathClient", "Grpc.Examples.MathClient\Grpc.Examples.MathClient.xproj", "{FD48DECA-1622-4173-B1D9-2101CF5E7C5F}"
-EndProject
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Grpc.Examples.MathServer", "Grpc.Examples.MathServer\Grpc.Examples.MathServer.xproj", "{58579368-5372-4E67-ACD6-9B59CB9FA698}"
-EndProject
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Grpc.Examples.Tests", "Grpc.Examples.Tests\Grpc.Examples.Tests.xproj", "{C61714A6-F633-44FB-97F4-C91F425C1D15}"
-EndProject
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Grpc.HealthCheck", "Grpc.HealthCheck\Grpc.HealthCheck.xproj", "{3BE4AD0B-2BF0-4D68-B625-F6018EF0DCFA}"
-EndProject
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Grpc.HealthCheck.Tests", "Grpc.HealthCheck.Tests\Grpc.HealthCheck.Tests.xproj", "{43DAFAC6-5343-4621-960E-A8A977EA3F0B}"
-EndProject
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Grpc.IntegrationTesting", "Grpc.IntegrationTesting\Grpc.IntegrationTesting.xproj", "{20354386-3E71-4046-A269-3BC2A06F3EC8}"
-EndProject
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Grpc.IntegrationTesting.Client", "Grpc.IntegrationTesting.Client\Grpc.IntegrationTesting.Client.xproj", "{48EA5BBE-70E2-4198-869D-D7E59C45F30D}"
-EndProject
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Grpc.IntegrationTesting.QpsWorker", "Grpc.IntegrationTesting.QpsWorker\Grpc.IntegrationTesting.QpsWorker.xproj", "{661B70D7-F56A-46E0-9B81-6227B591B5E7}"
-EndProject
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Grpc.IntegrationTesting.Server", "Grpc.IntegrationTesting.Server\Grpc.IntegrationTesting.Server.xproj", "{881F7AD1-A84E-47A2-9402-115C63C4031E}"
-EndProject
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Grpc.IntegrationTesting.StressClient", "Grpc.IntegrationTesting.StressClient\Grpc.IntegrationTesting.StressClient.xproj", "{0EBC910B-8867-4D3E-8686-91F34183D839}"
-EndProject
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Grpc.Reflection", "Grpc.Reflection\Grpc.Reflection.xproj", "{2B372155-80BA-4CF9-82D6-4B938E8EC3A0}"
-EndProject
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Grpc.Reflection.Tests", "Grpc.Reflection.Tests\Grpc.Reflection.Tests.xproj", "{FE90181D-A4B3-4A5C-8490-F07561E18E3B}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Release|Any CPU = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{DC9908B6-F291-4FC8-A46D-2EA2551790EC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{DC9908B6-F291-4FC8-A46D-2EA2551790EC}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{DC9908B6-F291-4FC8-A46D-2EA2551790EC}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{DC9908B6-F291-4FC8-A46D-2EA2551790EC}.Release|Any CPU.Build.0 = Release|Any CPU
-		{C82631ED-06D1-4458-87BC-8257D12307A8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{C82631ED-06D1-4458-87BC-8257D12307A8}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{C82631ED-06D1-4458-87BC-8257D12307A8}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{C82631ED-06D1-4458-87BC-8257D12307A8}.Release|Any CPU.Build.0 = Release|Any CPU
-		{759E23B2-FC04-4695-902D-B073CDED3599}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{759E23B2-FC04-4695-902D-B073CDED3599}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{759E23B2-FC04-4695-902D-B073CDED3599}.Release|Any CPU.ActiveCfg = Release|Any CPU
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-		{C77B792D-FC78-4CE2-9522-B40B0803C636}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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-		{58579368-5372-4E67-ACD6-9B59CB9FA698}.Release|Any CPU.Build.0 = Release|Any CPU
-		{C61714A6-F633-44FB-97F4-C91F425C1D15}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{C61714A6-F633-44FB-97F4-C91F425C1D15}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{C61714A6-F633-44FB-97F4-C91F425C1D15}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{C61714A6-F633-44FB-97F4-C91F425C1D15}.Release|Any CPU.Build.0 = Release|Any CPU
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src/csharp/Grpc.Examples.MathClient/Grpc.Examples.MathClient.csproj

@@ -1,54 +1,27 @@
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   <PropertyGroup>
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     <OutputType>Exe</OutputType>
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-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release</OutputPath>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
+    <PackageId>Grpc.Examples.MathClient</PackageId>
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+
   <ItemGroup>
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-      <Link>Version.cs</Link>
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-    <ProjectReference Include="..\Grpc.Examples\Grpc.Examples.csproj">
-      <Project>{7DC1433E-3225-42C7-B7EA-546D56E27A4B}</Project>
-      <Name>Grpc.Examples</Name>
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   <ItemGroup>
-    <None Include="Grpc.Examples.MathClient.project.json" />
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   </ItemGroup>
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src/csharp/Grpc.Examples.MathClient/Grpc.Examples.MathClient.project.json

@@ -1,8 +0,0 @@
-{
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src/csharp/Grpc.Examples.MathClient/Grpc.Examples.MathClient.xproj

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src/csharp/Grpc.Examples.MathClient/packages.config

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src/csharp/Grpc.Examples.MathClient/project.json

@@ -1,60 +0,0 @@
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src/csharp/Grpc.Examples.MathServer/Grpc.Examples.MathServer.csproj

@@ -1,54 +1,27 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project Sdk="Microsoft.NET.Sdk">
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   <PropertyGroup>
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     <OutputType>Exe</OutputType>
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-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
+    <PackageId>Grpc.Examples.MathServer</PackageId>
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   <ItemGroup>
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   </ItemGroup>
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+</Project>

src/csharp/Grpc.Examples.MathServer/Grpc.Examples.MathServer.project.json

@@ -1,8 +0,0 @@
-{
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src/csharp/Grpc.Examples.MathServer/Grpc.Examples.MathServer.xproj

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src/csharp/Grpc.Examples.MathServer/packages.config

@@ -1,3 +0,0 @@
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src/csharp/Grpc.Examples.MathServer/project.json

@@ -1,60 +0,0 @@
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src/csharp/Grpc.Examples.Tests/Grpc.Examples.Tests.csproj

@@ -1,69 +1,33 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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     <AssemblyName>Grpc.Examples.Tests</AssemblyName>
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-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release</OutputPath>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
+    <OutputType>Exe</OutputType>
+    <PackageId>Grpc.Examples.Tests</PackageId>
+    <PackageTargetFallback Condition=" '$(TargetFramework)' == 'netcoreapp1.0' ">$(PackageTargetFallback);portable-net45</PackageTargetFallback>
+    <RuntimeFrameworkVersion Condition=" '$(TargetFramework)' == 'netcoreapp1.0' ">1.0.4</RuntimeFrameworkVersion>
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   <ItemGroup>
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-    <Compile Include="NUnitMain.cs" />
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 </Project>

src/csharp/Grpc.Examples.Tests/Grpc.Examples.Tests.project.json

@@ -1,8 +0,0 @@
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-    <OutputPath Condition="'$(OutputPath)'=='' ">.\bin\</OutputPath>
-  </PropertyGroup>
-  <PropertyGroup>
-    <SchemaVersion>2.0</SchemaVersion>
-  </PropertyGroup>
-  <Import Project="$(VSToolsPath)\DNX\Microsoft.DNX.targets" Condition="'$(VSToolsPath)' != ''" />
-</Project>

src/csharp/Grpc.Examples.Tests/packages.config

@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="Google.Protobuf" version="3.2.0" targetFramework="net45" />
-  <package id="NUnit" version="3.6.0" targetFramework="net45" />
-  <package id="NUnitLite" version="3.6.0" targetFramework="net45" />
-  <package id="System.Interactive.Async" version="3.1.1" targetFramework="net45" />
-</packages>

src/csharp/Grpc.Examples.Tests/project.json

@@ -1,65 +0,0 @@
-{
-  "buildOptions": {
-    "emitEntryPoint": true
-  },
-  "configurations": {
-    "Debug": {
-      "buildOptions": {
-        "define": [ "SIGNED" ],
-        "keyFile": "../keys/Grpc.snk",
-        "xmlDoc": true,
-        "compile": {
-          "includeFiles": [ "../Grpc.Core/Version.cs" ]
-        },
-        "copyToOutput": {
-          "mappings": {
-            "grpc_csharp_ext.x64.dll": "../../../cmake/build/x64/Debug/grpc_csharp_ext.dll",
-            "grpc_csharp_ext.x86.dll": "../../../cmake/build/Win32/Debug/grpc_csharp_ext.dll",
-            "libgrpc_csharp_ext.x64.so": "../../../libs/dbg/libgrpc_csharp_ext.so",
-            "libgrpc_csharp_ext.x64.dylib": "../../../libs/dbg/libgrpc_csharp_ext.dylib"
-          }
-        }
-      }
-    },
-    "Release": {
-      "buildOptions": {
-        "define": [ "SIGNED" ],
-        "keyFile": "../keys/Grpc.snk",
-        "xmlDoc": true,
-        "compile": {
-          "includeFiles": [ "../Grpc.Core/Version.cs" ]
-        },
-        "copyToOutput": {
-          "mappings": {
-            "grpc_csharp_ext.x64.dll": "../../../cmake/build/x64/Release/grpc_csharp_ext.dll",
-            "grpc_csharp_ext.x86.dll": "../../../cmake/build/Win32/Release/grpc_csharp_ext.dll",
-            "libgrpc_csharp_ext.x64.so": "../../../libs/opt/libgrpc_csharp_ext.so",
-            "libgrpc_csharp_ext.x64.dylib": "../../../libs/opt/libgrpc_csharp_ext.dylib"
-          }
-        }
-      }
-    }
-  },
-
-  "dependencies": {
-    "Grpc.Examples": {
-      "target": "project"
-    },
-    "NUnit": "3.6.0",
-    "NUnitLite": "3.6.0"
-  },
-  "frameworks": {
-    "net45": { },
-    "netcoreapp1.0": {
-      "imports": [
-        "portable-net45"
-      ],
-      "dependencies": {
-        "Microsoft.NETCore.App": {
-          "type": "platform",
-          "version": "1.0.0"
-        }
-      }
-    }
-  }
-}

src/csharp/Grpc.Examples/Grpc.Examples.csproj

@@ -1,62 +1,30 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <Import Project="..\Grpc.Core\Version.csproj.include" />
+  <Import Project="..\Grpc.Core\Common.csproj.include" />
+
   <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{7DC1433E-3225-42C7-B7EA-546D56E27A4B}</ProjectGuid>
-    <OutputType>Library</OutputType>
-    <RootNamespace>Grpc.Examples</RootNamespace>
+    <TargetFrameworks>net45;netcoreapp1.0</TargetFrameworks>
     <AssemblyName>Grpc.Examples</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug</OutputPath>
-    <DefineConstants>DEBUG;</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release</OutputPath>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
+    <PackageId>Grpc.Examples</PackageId>
+    <RuntimeFrameworkVersion Condition=" '$(TargetFramework)' == 'netcoreapp1.0' ">1.0.4</RuntimeFrameworkVersion>
   </PropertyGroup>
+
   <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Data.Linq" />
-    <Reference Include="System.Interactive.Async">
-      <HintPath>..\packages\System.Interactive.Async.3.1.1\lib\net45\System.Interactive.Async.dll</HintPath>
-    </Reference>
-    <Reference Include="nunit.framework">
-      <HintPath>..\packages\NUnit.3.6.0\lib\net45\nunit.framework.dll</HintPath>
-    </Reference>
-    <Reference Include="Google.Protobuf">
-      <HintPath>..\packages\Google.Protobuf.3.2.0\lib\net45\Google.Protobuf.dll</HintPath>
-    </Reference>
+    <Compile Include="..\Grpc.Core\Version.cs" />
   </ItemGroup>
+
   <ItemGroup>
-    <Compile Include="..\Grpc.Core\Version.cs">
-      <Link>Version.cs</Link>
-    </Compile>
-    <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="Math.cs" />
-    <Compile Include="MathGrpc.cs" />
-    <Compile Include="MathServiceImpl.cs" />
-    <Compile Include="MathExamples.cs" />
+    <ProjectReference Include="../Grpc.Core/Grpc.Core.csproj" />
   </ItemGroup>
-  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+
   <ItemGroup>
-    <ProjectReference Include="..\Grpc.Core\Grpc.Core.csproj">
-      <Project>{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}</Project>
-      <Name>Grpc.Core</Name>
-    </ProjectReference>
+    <PackageReference Include="Google.Protobuf" Version="$(GoogleProtobufVersion)" />
   </ItemGroup>
-  <ItemGroup>
-    <None Include="Grpc.Examples.project.json" />
-    <None Include="packages.config" />
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
+    <Reference Include="System" />
+    <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
+
 </Project>