/srpc

RPC based on Sogou C++ Workflow

Primary LanguageC++Apache License 2.0Apache-2.0

Sogou RPC (Sogou Remote Procedure Call)

Introduction

搜狗自研RPC简称srpc,主要功能和特点:

  • 这是一个基于Sogou C++ Workflow的项目,兼具:
    • 高性能
    • 低开发和接入门槛
    • 完美兼容workflow的串并联任务流
    • 对于已有pb/thrift描述文件的项目,可以做到一键迁移
  • 支持多种IDL格式,包括:
    • Protobuf
    • Thrift
  • 支持多种数据布局,使用上完全透明,包括:
    • Protobuffer serialize
    • Thrift Binary serialize
    • json serialize
  • 支持多种压缩,使用上完全透明,包括:
    • gzip
    • zlib
    • snappy
    • lz4
  • 支持多种通信协议,使用上完全透明,包括:
    • tcp
    • http
  • 用户可以通过http+json实现跨语言:
    • 如果自己是server提供方,用任何语言的http server接受post请求,解析若干http header即可
    • 如果自己是client调用方,用任何语言的http client发送post请求,添加若干http header即可
  • 内置了可以与其他RPC框架的server/client无缝互通的client/server,包括:
    • BPRC
    • GRPC
    • Thrift Framed Binary
    • Thrift Http Binary
  • 兼容workflow的使用方式:
    • 提供创建任务的接口来创建一个rpc任务
    • 可以把rpc任务放到任务流图中,回调函数里也可以拿到当前的任务流
    • workflow所支持的其他功能,包括upstream、计算调度、异步文件IO等
  • 更多功能和层次介绍

Installation

  • srpc是一个静态库libsrpc.a,只有开发环境需要依赖libsrpc,编译后二进制发布不需要依赖libsrpc库
  • srpc依赖workflow和protobuf3,其中workflow可以通过git的submodule形式进行源码依赖。另外,third_party中也包含了压缩库snappy和lz4
git clone --recursive https://github.com/holmes1412/srpc.git
cd srpc
make
make check
sudo make install

Quick Start

1. example.proto

syntax = "proto2";//这里proto2和proto3都可以,srpc都支持

message EchoRequest {
    optional string message = 1;
    optional string name = 2;
};

message EchoResponse {
    optional string message = 1;
};

service Example {
    rpc Echo(EchoRequest) returns (EchoResponse);
};

2. generate code

protoc example.proto --cpp_out=./ --proto_path=./
srpc_generator protobuf ./example.proto ./

3. server.cc

#include <stdio.h>
#include <signal.h>
#include "example.srpc.h"

using namespace srpc;

class ExampleServiceImpl : public Example::Service
{
public:
    void Echo(EchoRequest *request, EchoResponse *response, RPCContext *ctx) override
    {
        response->set_message("Hi, " + request->name());

        // gzip/zlib/snappy/lz4/none
        // ctx->set_compress_type(RPCCompressGzip);

        // protobuf/json
        // ctx->set_data_type(RPCDataJson);

        printf("get_req:\n%s\nset_resp:\n%s\n",
                request->DebugString().c_str(), response->DebugString().c_str());
    }
};

void sig_handler(int signo) { }

int main()
{
    signal(SIGINT, sig_handler);
    signal(SIGTERM, sig_handler);

    SRPCServer server_tcp;
    SRPCHttpServer server_http;

    ExampleServiceImpl impl;
    server_tcp.add_service(&impl);
    server_http.add_service(&impl);

    server_tcp.start(1412);
    server_http.start(8811);
    pause();
    server_http.stop();
    server_tcp.stop();

    return 0;
}

4. client.cc

#include <stdio.h>
#include "example.srpc.h"

using namespace srpc;

int main()
{
    Example::SRPCClient client("127.0.0.1", 1412);
    EchoRequest req;
    req.set_message("Hello, srpc!");
    req.set_name("workflow");

    client.Echo(&req, [](EchoResponse *response, RPCContext *ctx) {
        if (ctx->success())
            printf("%s\n", response->DebugString().c_str());
        else
            printf("status[%d] error[%d] errmsg:%s\n",
                    ctx->get_status_code(), ctx->get_error(), ctx->get_errmsg());
    });

    pause();
    return 0;
}

5. make

g++ -o server server.cc example.pb.cc -std=c++11 -lsrpc
g++ -o client client.cc example.pb.cc -std=c++11 -lsrpc

6. run

终端1

./server

终端2

./client
curl 127.0.0.1:8811/Example/Echo -H 'Content-Type: application/json' -d '{message:"from curl",name:"CURL"}'

终端1输出

get_req:
message: "Hello, srpc!"
name: "workflow"

set_resp:
message: "Hi, workflow"

get_req:
message: "from curl"
name: "CURL"

set_resp:
message: "Hi, CURL"

终端2输出

message: "Hi, workflow"
{"message":"Hi, CURL"}

Tutorial

Benchmark

  • CPU 2-chip/8-core/32-processor Intel(R) Xeon(R) CPU E5-2630 v3 @2.40GHz
  • Memory all 128G
  • 10 Gigabit Ethernet
  • BAIDU brpc-client使用连接池pooled模式

跨机单client→单server在不同并发的QPS

Client = 1
ClientThread = 64, 128, 256, 512, 1024
RequestSize = 32
Duration = 20s
Server = 1
ServerIOThread = 16
ServerHandlerThread = 16

IMG

跨机多client→单server在不同client进程数的QPS

Client = 1, 2, 4, 8, 16
ClientThread = 32
RequestSize = 32
Duration = 20s
Server = 1
ServerIOThread = 16
ServerHandlerThread = 16

IMG

同机单client→单server在不同并发下的QPS

Client = 1
ClientThread = 1, 2, 4, 8, 16, 32, 64, 128, 256
RequestSize = 1024
Duration = 20s
Server = 1
ServerIOThread = 16
ServerHandlerThread = 16

IMG

同机单client→单server在不同请求大小下的QPS

Client = 1
ClientThread = 100
RequestSize = 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768
Duration = 20s
Server = 1
ServerIOThread = 16
ServerHandlerThread = 16

IMG

同机单client→单server在固定QPS下的延时CDF

Client = 1
ClientThread = 50
ClientQPS = 10000
RequestSize = 1024
Duration = 20s
Server = 1
ServerIOThread = 16
ServerHandlerThread = 16
Outiler = 1%

IMG

跨机多client→单server在固定QPS下的延时CDF

Client = 32
ClientThread = 16
ClientQPS = 2500
RequestSize = 512
Duration = 20s
Server = 1
ServerIOThread = 16
ServerHandlerThread = 16
Outiler = 1%

IMG

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