mirror of https://github.com/grpc/grpc.git
Also, - Changes to extract grpclb_proto into its own build target - Remove client_load_reporting_filter from xds plugin.pull/16905/head
Vishal Powar
6 years ago
parent
d0109d6ac5
commit
a33e796575
21 changed files with 211 additions and 342 deletions
@ -1,140 +0,0 @@ |
||||
/*
|
||||
* |
||||
* Copyright 2018 gRPC authors. |
||||
* |
||||
* Licensed under the Apache License, Version 2.0 (the "License"); |
||||
* you may not use this file except in compliance with the License. |
||||
* You may obtain a copy of the License at |
||||
* |
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
* |
||||
* Unless required by applicable law or agreed to in writing, software |
||||
* distributed under the License is distributed on an "AS IS" BASIS, |
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||
* See the License for the specific language governing permissions and |
||||
* limitations under the License. |
||||
* |
||||
*/ |
||||
|
||||
#include <grpc/support/port_platform.h> |
||||
|
||||
#include "src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.h" |
||||
|
||||
#include <grpc/support/atm.h> |
||||
#include <grpc/support/log.h> |
||||
|
||||
#include "src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h" |
||||
#include "src/core/lib/iomgr/error.h" |
||||
#include "src/core/lib/profiling/timers.h" |
||||
|
||||
static grpc_error* init_channel_elem(grpc_channel_element* elem, |
||||
grpc_channel_element_args* args) { |
||||
return GRPC_ERROR_NONE; |
||||
} |
||||
|
||||
static void destroy_channel_elem(grpc_channel_element* elem) {} |
||||
|
||||
namespace { |
||||
|
||||
struct call_data { |
||||
// Stats object to update.
|
||||
grpc_core::RefCountedPtr<grpc_core::XdsLbClientStats> client_stats; |
||||
// State for intercepting send_initial_metadata.
|
||||
grpc_closure on_complete_for_send; |
||||
grpc_closure* original_on_complete_for_send; |
||||
bool send_initial_metadata_succeeded; |
||||
// State for intercepting recv_initial_metadata.
|
||||
grpc_closure recv_initial_metadata_ready; |
||||
grpc_closure* original_recv_initial_metadata_ready; |
||||
bool recv_initial_metadata_succeeded; |
||||
}; |
||||
|
||||
} // namespace
|
||||
|
||||
static void on_complete_for_send(void* arg, grpc_error* error) { |
||||
call_data* calld = static_cast<call_data*>(arg); |
||||
if (error == GRPC_ERROR_NONE) { |
||||
calld->send_initial_metadata_succeeded = true; |
||||
} |
||||
GRPC_CLOSURE_RUN(calld->original_on_complete_for_send, GRPC_ERROR_REF(error)); |
||||
} |
||||
|
||||
static void recv_initial_metadata_ready(void* arg, grpc_error* error) { |
||||
call_data* calld = static_cast<call_data*>(arg); |
||||
if (error == GRPC_ERROR_NONE) { |
||||
calld->recv_initial_metadata_succeeded = true; |
||||
} |
||||
GRPC_CLOSURE_RUN(calld->original_recv_initial_metadata_ready, |
||||
GRPC_ERROR_REF(error)); |
||||
} |
||||
|
||||
static grpc_error* init_call_elem(grpc_call_element* elem, |
||||
const grpc_call_element_args* args) { |
||||
call_data* calld = static_cast<call_data*>(elem->call_data); |
||||
// Get stats object from context and take a ref.
|
||||
GPR_ASSERT(args->context != nullptr); |
||||
if (args->context[GRPC_GRPCLB_CLIENT_STATS].value != nullptr) { |
||||
calld->client_stats = static_cast<grpc_core::XdsLbClientStats*>( |
||||
args->context[GRPC_GRPCLB_CLIENT_STATS].value) |
||||
->Ref(); |
||||
// Record call started.
|
||||
calld->client_stats->AddCallStarted(); |
||||
} |
||||
return GRPC_ERROR_NONE; |
||||
} |
||||
|
||||
static void destroy_call_elem(grpc_call_element* elem, |
||||
const grpc_call_final_info* final_info, |
||||
grpc_closure* ignored) { |
||||
call_data* calld = static_cast<call_data*>(elem->call_data); |
||||
if (calld->client_stats != nullptr) { |
||||
// Record call finished, optionally setting client_failed_to_send and
|
||||
// received.
|
||||
calld->client_stats->AddCallFinished( |
||||
!calld->send_initial_metadata_succeeded /* client_failed_to_send */, |
||||
calld->recv_initial_metadata_succeeded /* known_received */); |
||||
// All done, so unref the stats object.
|
||||
// TODO(roth): Eliminate this once filter stack is converted to C++.
|
||||
calld->client_stats.reset(); |
||||
} |
||||
} |
||||
|
||||
static void start_transport_stream_op_batch( |
||||
grpc_call_element* elem, grpc_transport_stream_op_batch* batch) { |
||||
call_data* calld = static_cast<call_data*>(elem->call_data); |
||||
GPR_TIMER_SCOPE("clr_start_transport_stream_op_batch", 0); |
||||
if (calld->client_stats != nullptr) { |
||||
// Intercept send_initial_metadata.
|
||||
if (batch->send_initial_metadata) { |
||||
calld->original_on_complete_for_send = batch->on_complete; |
||||
GRPC_CLOSURE_INIT(&calld->on_complete_for_send, on_complete_for_send, |
||||
calld, grpc_schedule_on_exec_ctx); |
||||
batch->on_complete = &calld->on_complete_for_send; |
||||
} |
||||
// Intercept recv_initial_metadata.
|
||||
if (batch->recv_initial_metadata) { |
||||
calld->original_recv_initial_metadata_ready = |
||||
batch->payload->recv_initial_metadata.recv_initial_metadata_ready; |
||||
GRPC_CLOSURE_INIT(&calld->recv_initial_metadata_ready, |
||||
recv_initial_metadata_ready, calld, |
||||
grpc_schedule_on_exec_ctx); |
||||
batch->payload->recv_initial_metadata.recv_initial_metadata_ready = |
||||
&calld->recv_initial_metadata_ready; |
||||
} |
||||
} |
||||
// Chain to next filter.
|
||||
grpc_call_next_op(elem, batch); |
||||
} |
||||
|
||||
const grpc_channel_filter xds_client_load_reporting_filter = { |
||||
start_transport_stream_op_batch, |
||||
grpc_channel_next_op, |
||||
sizeof(call_data), |
||||
init_call_elem, |
||||
grpc_call_stack_ignore_set_pollset_or_pollset_set, |
||||
destroy_call_elem, |
||||
0, // sizeof(channel_data)
|
||||
init_channel_elem, |
||||
destroy_channel_elem, |
||||
grpc_channel_next_get_info, |
||||
"client_load_reporting"}; |
||||
@ -1,29 +0,0 @@ |
||||
/*
|
||||
* |
||||
* Copyright 2018 gRPC authors. |
||||
* |
||||
* Licensed under the Apache License, Version 2.0 (the "License"); |
||||
* you may not use this file except in compliance with the License. |
||||
* You may obtain a copy of the License at |
||||
* |
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
* |
||||
* Unless required by applicable law or agreed to in writing, software |
||||
* distributed under the License is distributed on an "AS IS" BASIS, |
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||
* See the License for the specific language governing permissions and |
||||
* limitations under the License. |
||||
* |
||||
*/ |
||||
|
||||
#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_XDS_CLIENT_LOAD_REPORTING_FILTER_H |
||||
#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_XDS_CLIENT_LOAD_REPORTING_FILTER_H |
||||
|
||||
#include <grpc/support/port_platform.h> |
||||
|
||||
#include "src/core/lib/channel/channel_stack.h" |
||||
|
||||
extern const grpc_channel_filter xds_client_load_reporting_filter; |
||||
|
||||
#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_XDS_CLIENT_LOAD_REPORTING_FILTER_H \ |
||||
*/ |
||||
Loading…
Reference in new issue