c++ poco StreamSocket tcpclient测试用例

1.代码

#include <iostream>#include "Poco/Net/Socket.h"#include "Poco/Net/StreamSocket.h"#include "Poco/Net/ServerSocket.h"#include "Poco/Net/SocketAddress.h"#include "Poco/Net/NetException.h"#include "Poco/Timespan.h"using Poco::Net::Socket;using Poco::Net::StreamSocket;using Poco::Net::SocketAddress;using Poco::Net::NetException;using Poco::Net::ConnectionRefusedException;using Poco::Net::InvalidSocketException;using Poco::Timespan;using Poco::TimeoutException;using Poco::IOException;const int RECV_BUF_SIZE = 64*1024; const int SEND_BUF_SIZE = 64*1024;int main(int argc,char * argv[]){    int n=0;    char buffer[1024]={"\0"};    SocketAddress sa("127.0.0.1",5000);    StreamSocket ss;    Timespan timeout(2000000);    try    {        ss.connect(sa,timeout);    }    catch (ConnectionRefusedException&)    {        std::cout<<"connect refuse"<<std::endl;    }    catch (NetException&)    {           std::cout<<"net exception"<<std::endl;    }    catch (TimeoutException&)    {        std::cout<<"connect time out"<<std::endl;    }    //setopt timeout    Timespan timeout3(5000000);    ss.setReceiveTimeout(timeout3); //retn void    Timespan timeout4(5000000);    ss.setSendTimeout(timeout4); //retn void    Timespan timeout0 = ss.getReceiveTimeout();    Timespan timeout1 = ss.getSendTimeout();    std::cout<<"Recv Timeout : "<<timeout0.totalMicroseconds()<<std::endl;      std::cout<<"Send Timeout : "<<timeout1.totalMicroseconds()<<std::endl;      //setopt bufsize    ss.setReceiveBufferSize(RECV_BUF_SIZE); //retn void     ss.setSendBufferSize(SEND_BUF_SIZE); //retn void     int recv_len=ss.getReceiveBufferSize();    int send_len=ss.getSendBufferSize();    std::cout<<"recv buf size : "<<recv_len<<std::endl;    std::cout<<"send buf size : "<<send_len<<std::endl;    //setopt nodelay    ss.setNoDelay(true); //retn void     try    {        n = ss.sendBytes("hello", 5); //block        std::cout<<"write length : "<<n<<std::endl;    }    catch (TimeoutException&)    {        std::cout<<"send time out"<<std::endl;    }    catch (InvalidSocketException&)    {        std::cout<<"invalid socket exception"<<std::endl;    }    catch (IOException&)    {        std::cout<<"write io exception"<<std::endl;    }    while(1)    {        try        {               if(ss.available())            {                   n=0;                memset(buffer,0,sizeof(buffer));                n = ss.receiveBytes(buffer,sizeof(buffer)); //block                std::cout<<"recv length : "<<n<<","<<"value : "<<buffer<<std::endl;            }        }        catch (TimeoutException&)        {            std::cout<<"recv time out"<<std::endl;        }        catch (InvalidSocketException&)        {            std::cout<<"invalid socket exception"<<std::endl;        }    }    //Socket::poll有select poll epoll 三种模式，编译Poco库时确定。    /*    Timespan timer(2000000);    Socket::SocketList readList;    Socket::SocketList writeList;    Socket::SocketList exceptList;    readList.push_back(ss);    while(1)    {        if(ss.poll(timer, Socket::SELECT_READ))        {            std::cout<<"he number of bytes available that can be read : "<<ss.available()<<std::endl;            memset(buffer,'\0',sizeof(buffer));            n = ss.receiveBytes(buffer,ss.available());            std::cout<<"recv length : "<<n<<","<<"value : "<<buffer<<std::endl;        }    }       */    ss.close();    return 0;}

2.编译指令

g++ myStreamSocket.cpp -o mysocket -lPocoNet -lPocoFoundation

3.运行截图