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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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156 lines
6.3 KiB
156 lines
6.3 KiB
// Copyright 2017, Google Inc. |
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// All rights reserved. |
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// |
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// Redistribution and use in source and binary forms, with or without |
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// modification, are permitted provided that the following conditions are |
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// met: |
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// |
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// * Redistributions of source code must retain the above copyright |
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// notice, this list of conditions and the following disclaimer. |
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// * Redistributions in binary form must reproduce the above |
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// copyright notice, this list of conditions and the following disclaimer |
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// in the documentation and/or other materials provided with the |
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// distribution. |
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// * Neither the name of Google Inc. nor the names of its |
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// contributors may be used to endorse or promote products derived from |
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// this software without specific prior written permission. |
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// |
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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// This file defines an interface for exporting monitoring information |
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// out of gRPC servers. |
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syntax = "proto3"; |
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// TODO(ericgribkoff) Figure out how to manage the external Census proto |
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// dependency. |
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import "tools/grpcz/census.proto"; |
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import "google/protobuf/any.proto"; |
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import "google/protobuf/empty.proto"; |
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package grpc.instrumentation.v1alpha; |
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option java_multiple_files = true; |
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option java_package = "io.grpc.instrumentation.v1alpha"; |
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option java_outer_classname = "MonitoringProto"; |
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service Monitoring { |
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// Return canonical RPC stats |
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rpc GetCanonicalRpcStats(google.protobuf.Empty) returns (CanonicalRpcStats) { |
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} |
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// Query the server for specific stats |
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rpc GetStats(StatsRequest) returns (StatsResponse) { |
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} |
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// Request the server to stream back snapshots of the requested stats |
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rpc WatchStats(StatsRequest) returns (stream StatsResponse) { |
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} |
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// Return request traces. |
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rpc GetRequestTraces(TraceRequest) returns(TraceResponse) { |
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// TODO(aveitch): Please define the messages here |
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} |
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// Return application-defined groups of monitoring data. |
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// This is a low level facility to allow extension of the monitoring API to |
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// application-specific monitoring data. Frameworks may use this to define |
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// additional groups of monitoring data made available by servers. |
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rpc GetCustomMonitoringData(MonitoringDataGroup) |
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returns (CustomMonitoringData) { |
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} |
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} |
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// Canonical RPC stats exported by gRPC. |
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message CanonicalRpcStats { |
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StatsResponse rpc_client_errors = 1; |
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StatsResponse rpc_client_completed_rpcs = 2; |
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StatsResponse rpc_client_started_rpcs = 3; |
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StatsResponse rpc_client_elapsed_time = 4; |
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StatsResponse rpc_client_server_elapsed_time = 5; |
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StatsResponse rpc_client_request_bytes = 6; |
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StatsResponse rpc_client_response_bytes = 7; |
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StatsResponse rpc_client_request_count = 8; |
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StatsResponse rpc_client_response_count = 9; |
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StatsResponse rpc_server_errors = 10; |
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StatsResponse rpc_server_completed_rpcs = 11; |
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StatsResponse rpc_server_server_elapsed_time = 12; |
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StatsResponse rpc_server_request_bytes = 13; |
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StatsResponse rpc_server_response_bytes = 14; |
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StatsResponse rpc_server_request_count = 15; |
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StatsResponse rpc_server_response_count = 16; |
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StatsResponse rpc_server_elapsed_time = 17; |
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//TODO(ericgribkoff) Add minute-hour interval stats. |
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} |
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// This message is sent when requesting a set of stats (Census Views) from |
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// a client system, as part of the MonitoringService API's. |
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message StatsRequest { |
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// An optional set of ViewDescriptor names. Only Views using these |
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// descriptors will be sent back in the response. If no names are provided, |
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// then all Views present in the client system will be included in every |
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// response. If measurement_names is also provided, then Views matching the |
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// intersection of the two are returned. |
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// TODO(aveitch): Consider making this a list of regexes or prefix matches in |
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// the future. |
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repeated string view_names = 1; |
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// An optional set of MeasurementDescriptor names. Only Views using these |
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// descriptors will be sent back in the response. If no names are provided, |
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// then all Views present in the client system will be included in every |
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// response. If view_names is also provided, then Views matching the |
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// intersection of the two are returned. |
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// TODO(aveitch): Consider making this a list of regexes or prefix matches in |
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// the future. |
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repeated string measurement_names = 2; |
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// By default, the MeasurementDescriptors and ViewDescriptors corresponding to |
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// the Views that are returned in a StatsResponse will be included in the |
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// first such response. Set this to true to have them not sent. |
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bool dont_include_descriptors_in_first_response = 3; |
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} |
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// This message contains all information relevant to a single View. It is the |
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// return type for GetStats and WatchStats, and used in CanonicalRpcStats. |
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message StatsResponse { |
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// A StatsResponse can optionally contain the MeasurementDescriptor and |
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// ViewDescriptor for the View. These will be sent in the first WatchStats |
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// response, or all GetStats and GetCanonicalRpcStats responses. These will |
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// not be set for {Get,Watch}Stats if |
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// dont_include_descriptors_in_first_response is set to true in the |
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// StatsRequest. |
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google.instrumentation.MeasurementDescriptor measurement_descriptor = 1; |
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google.instrumentation.ViewDescriptor view_descriptor = 2; |
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// The View data. |
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google.instrumentation.View view = 3; |
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} |
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message TraceRequest { |
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// TODO(aveitch): Complete definition of this type |
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} |
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message TraceResponse { |
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// TODO(aveitch): Complete definition of this type |
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} |
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message MonitoringDataGroup { |
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string name = 1; // name of a group of monitoring data |
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} |
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// The wrapper for custom monitoring data. |
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message CustomMonitoringData { |
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// can be any application specific monitoring data |
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google.protobuf.Any contents = 1; |
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}
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