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

#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;
}