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/*
*
* 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/cpp/ext/filters/census/grpc_plugin.h"
#include <grpcpp/server_context.h>
#include "opencensus/trace/span.h"
#include "src/cpp/ext/filters/census/channel_filter.h"
#include "src/cpp/ext/filters/census/client_filter.h"
#include "src/cpp/ext/filters/census/measures.h"
#include "src/cpp/ext/filters/census/server_filter.h"
namespace grpc {
void RegisterOpenCensusPlugin() {
RegisterChannelFilter<CensusChannelData, CensusClientCallData>(
"opencensus_client", GRPC_CLIENT_CHANNEL,
GRPC_CHANNEL_INIT_PRIORITY_VERY_HIGH, true /* prepend */,
nullptr /* condition function */);
RegisterChannelFilter<CensusChannelData, CensusServerCallData>(
"opencensus_server", GRPC_SERVER_CHANNEL,
GRPC_CHANNEL_INIT_PRIORITY_VERY_HIGH, true /* prepend */,
nullptr /* condition function */);
// Access measures to ensure they are initialized. Otherwise, creating a view
// before the first RPC would cause an error.
RpcClientSentBytesPerRpc();
RpcClientReceivedBytesPerRpc();
RpcClientRoundtripLatency();
RpcClientServerLatency();
RpcClientSentMessagesPerRpc();
RpcClientReceivedMessagesPerRpc();
RpcServerSentBytesPerRpc();
RpcServerReceivedBytesPerRpc();
RpcServerServerLatency();
RpcServerSentMessagesPerRpc();
RpcServerReceivedMessagesPerRpc();
}
::opencensus::trace::Span GetSpanFromServerContext(ServerContext* context) {
return reinterpret_cast<const CensusContext*>(context->census_context())
->Span();
}
// These measure definitions should be kept in sync across opencensus
// implementations--see
// https://github.com/census-instrumentation/opencensus-java/blob/master/contrib/grpc_metrics/src/main/java/io/opencensus/contrib/grpc/metrics/RpcMeasureConstants.java.
::opencensus::stats::TagKey ClientMethodTagKey() {
static const auto method_tag_key =
::opencensus::stats::TagKey::Register("grpc_client_method");
return method_tag_key;
}
::opencensus::stats::TagKey ClientStatusTagKey() {
static const auto status_tag_key =
::opencensus::stats::TagKey::Register("grpc_client_status");
return status_tag_key;
}
::opencensus::stats::TagKey ServerMethodTagKey() {
static const auto method_tag_key =
::opencensus::stats::TagKey::Register("grpc_server_method");
return method_tag_key;
}
::opencensus::stats::TagKey ServerStatusTagKey() {
static const auto status_tag_key =
::opencensus::stats::TagKey::Register("grpc_server_status");
return status_tag_key;
}
// Client
ABSL_CONST_INIT const absl::string_view
kRpcClientSentMessagesPerRpcMeasureName =
"grpc.io/client/sent_messages_per_rpc";
ABSL_CONST_INIT const absl::string_view kRpcClientSentBytesPerRpcMeasureName =
"grpc.io/client/sent_bytes_per_rpc";
ABSL_CONST_INIT const absl::string_view
kRpcClientReceivedMessagesPerRpcMeasureName =
"grpc.io/client/received_messages_per_rpc";
ABSL_CONST_INIT const absl::string_view
kRpcClientReceivedBytesPerRpcMeasureName =
"grpc.io/client/received_bytes_per_rpc";
ABSL_CONST_INIT const absl::string_view kRpcClientRoundtripLatencyMeasureName =
"grpc.io/client/roundtrip_latency";
ABSL_CONST_INIT const absl::string_view kRpcClientServerLatencyMeasureName =
"grpc.io/client/server_latency";
// Server
ABSL_CONST_INIT const absl::string_view
kRpcServerSentMessagesPerRpcMeasureName =
"grpc.io/server/sent_messages_per_rpc";
ABSL_CONST_INIT const absl::string_view kRpcServerSentBytesPerRpcMeasureName =
"grpc.io/server/sent_bytes_per_rpc";
ABSL_CONST_INIT const absl::string_view
kRpcServerReceivedMessagesPerRpcMeasureName =
"grpc.io/server/received_messages_per_rpc";
ABSL_CONST_INIT const absl::string_view
kRpcServerReceivedBytesPerRpcMeasureName =
"grpc.io/server/received_bytes_per_rpc";
ABSL_CONST_INIT const absl::string_view kRpcServerServerLatencyMeasureName =
"grpc.io/server/server_latency";
} // namespace grpc
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