C++_Windows Socket 学习记录_01

主要实现服务器-服务器传输消息

Server.cpp<br>#include <stdio.h>
#include <stdlib.h>
#include <WinSock2.h>
#include <iostream>
#pragma comment(lib,"ws2_32.lib")
 
using namespace std;
#define PORT 5000
#define SendBUFSIZE 512
#define RevBUFSIZE 512
void ErrorHanding(const char* message);
 
int main(int argc, char* argv[])
{
    //Init wasData
    WSADATA wsaData;
    if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0)
    {
        ErrorHanding("WSAStartup() error");
        return 0;
    }
    //Send buff RevBuff
    //接受缓冲区 发送缓冲区
    char SendMes[SendBUFSIZE] = {};
    char RevMes[RevBUFSIZE] = {};
 
    //Create Socket
    SOCKET ServerSocK, ClientSocK;
 
    ServerSocK = socket(PF_INET, SOCK_STREAM, 0);
    if (ServerSocK == INVALID_SOCKET)
    {
        ErrorHanding("Create Socket Error");
        return 0;
    }
 
    //Bind Socket
    //将Socket 与协议族 IP地址 端口号信息进行绑定
    SOCKADDR_IN servAddr;
    memset(&servAddr, 0, sizeof(servAddr));
    //sin_family addrs port
    //端口号信息 Ip地址
    servAddr.sin_family = AF_INET;
    servAddr.sin_addr.S_un.S_addr = htonl(INADDR_ANY);
    servAddr.sin_port = htons(PORT);
    if (bind(ServerSocK, (SOCKADDR*)&servAddr, sizeof(servAddr)) == SOCKET_ERROR)
    {
        ErrorHanding("bind error");
        return 0;
    }
 
    //改为监听状态
    if (listen(ServerSocK, 5) == SOCKET_ERROR)
    {
        ErrorHanding("Listen error");
        return 0;
    }
    cout << "wait client to connect" << endl;
 
    //等待客户端进行连接
    ClientSocK = accept(ServerSocK, nullptr, nullptr);
    if (ClientSocK == INVALID_SOCKET)
    {
        ErrorHanding("Accept error");
    }
    while (true)
    {
        cout << "ServerSend:";
        cin >> SendMes;
        if (send(ClientSocK, SendMes, sizeof(SendMes), 0) < 0)
        {
            //客户端退出时发送失败推出closeSocket
            ErrorHanding("Send Error");
            break;
        }
        if (recv(ClientSocK, RevMes, RevBUFSIZE, 0) > 0)
        {
            cout<<"Recv:" << RevMes << endl;
        }
    }
 
    closesocket(ServerSocK);
    closesocket(ClientSocK);
    WSACleanup();
    return 0;
}
 
 
void ErrorHanding(const char* message)
{
    cout << message << endl;
}

Client.cpp
#include <stdio.h>
#include <stdlib.h>
#include <WinSock2.h>
#include <iostream>
#pragma comment(lib,"ws2_32.lib")
void ErrorHanding(const char* message);
using namespace std;
#define PORT 5000
#define SendBUFSIZE 512
#define RevBUFSIZE 512
 
int main()
{
    WSADATA wsaData;
    //Init wsaData过程
    if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0)
    {
        ErrorHanding("WSAStartup Error");
    }
 
    char Sendmessage[SendBUFSIZE] = {};
    char RevMessage[RevBUFSIZE] = {};
    SOCKET hsocket;
 
    //CreateSocket
    hsocket = socket(PF_INET, SOCK_STREAM, 0);
    if (hsocket == INVALID_SOCKET)
    {
        ErrorHanding("Socket error");
    }
 
 
    SOCKADDR_IN servAddr;
    memset(&servAddr,0,sizeof(servAddr));
    //指定端口号信息 IP地址
    servAddr.sin_family = AF_INET;
    servAddr.sin_port = htons(PORT);
    servAddr.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");// htonl(INADDR_ANY);
     
    //  
    if (connect(hsocket, (SOCKADDR*)&servAddr, sizeof(servAddr)) == SOCKET_ERROR)
    {
        ErrorHanding("Connect error");
        return 0;
    }
 
    int strlen=0;
    while (true)
    {
        strlen = recv(hsocket, RevMessage, BUFSIZ, 0);
        if (strlen > 0)
        {
            cout << "Recv:"<<RevMessage << endl;
        }
        memset(&RevMessage, 0, sizeof(RevMessage));
        cout<<"this Client Send:";
        cin >> Sendmessage;
        if (send(hsocket, Sendmessage, BUFSIZ, 0) < 0)
        {
            ErrorHanding("Send Error:");
            break;
        }
    }
     
    closesocket(hsocket);
    WSACleanup();
    return 0;
}
 
void ErrorHanding(const  char* message)
{
    cout << message << endl;
}