MyTtcp 测试网络带宽

网络编程学习

注意的指标
MB/S 带宽
每秒处理的信息 查询等 messages/s queries/s transaction/s
延时
cpu使用率

ttcp测试网络 读写读写 循环 测试网络带宽

正确关闭TCP shutdown_write read->0 closesocket

TCP_NODELAY 延时发送小数据包 认为设置 不等待 即时发送 开启

reuseaddr socket复用

 

完整代码见

https://git.oschina.net/def/cppPratice/tree/master/MyTtcpV0.1

 

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#include "RecvMessageLoop.h"     #include <boost/asio.hpp>   #include <iostream>   #include <chrono>   #include "Common.h"       using boost::asio::ip::tcp;     void RecvMessageLoop(const std::string& ipStr,     const std::string& portStr, const std::string& MessageBlockLen) {     //std::cout << "RecvMessageLoop" << std::endl;       boost::asio::io_service io_service;       tcp::acceptor acceptor(io_service, tcp::endpoint(tcp::v4(), std::atoi(portStr.c_str())));       tcp::socket socket(io_service);     acceptor.accept(socket);       //SetSocketNoDelay(socket,true);           boost::system::error_code ec;     long recvBlocklen = 0;       size_t len = socket.read_some(boost::asio::buffer(&recvBlocklen,sizeof(recvBlocklen)), ec);     if (len != sizeof(recvBlocklen) || ec) {         PRINTERRORCODE(ec);         return;     }           std::cout << "recvlen is: " << recvBlocklen << std::endl;       int testLoopTimes = defaultSendLength / recvBlocklen;       len = boost::asio::write(socket,boost::asio::buffer(&testLoopTimes, sizeof(testLoopTimes)), ec);     if (len != sizeof(testLoopTimes) || ec) {         PRINTERRORCODE(ec);         return;     }       std::unique_ptr<char[]> testBuf(new char[recvBlocklen]);//ok     for (int i = 0; i < recvBlocklen; ++i)     {         testBuf[i] = '\0';     }       auto start = std::chrono::steady_clock::now();       while(1) {         len = boost::asio::read(socket,             boost::asio::buffer(testBuf.get(), recvBlocklen),ec);         if (ec == boost::asio::error::eof) {             break;         }else if (len != recvBlocklen || ec) {             PRINTERRORCODE(ec);             return;         }         //std::cout << "read success" << std::endl;           int i = len;           len = boost::asio::write(socket, boost::asio::buffer(&i, sizeof(i)), ec);         if (len != sizeof(i) || ec) {             PRINTERRORCODE(ec);             return;         }         //std::cout << "write success" << std::endl;       }       //socket.shutdown(boost::asio::socket_base::shutdown_send);       //len = boost::asio::read(socket,       //  boost::asio::buffer(&len, sizeof(len)), ec);       //socket.close();       auto end = std::chrono::steady_clock::now();       std::chrono::duration<double> diff = end - start;     std::cout << "=>Time Elapse " << diff.count() << " s" << std::endl;     std::cout << "Total Length is  " << defaultSendLength / 1024 / 1024 << "MB" << std::endl;     std::cout << "Speed is " << defaultSendLength / 1024 / 1024/ diff.count() << "MB" << std::endl; }