简单的套接字C/S通信

* =====================================================================================
*
*       Filename: server.cpp
*
*    Description:
*
*        Version: 1.0
*        Created: 2011年12月19日 12时20分29秒
*       Revision: none
*       Compiler: gcc
*
*         Author: Albert (), wutengfei32@163.com
*        Company:
*
* =====================================================================================
*/
<pre name="code" class="cpp">#include <unistd.h>
#include <fcntl.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <iostream>
#include <stdlib.h>

using namespace std;

int main(int argc,char**argv)
{
    int s,s1,rc;
    char buf[20];
    struct sockaddr_in local;

    local.sin_family = AF_INET;
    local.sin_port = htons(7500);
    local.sin_addr.s_addr = htonl(INADDR_ANY);

    s = socket(AF_INET,SOCK_STREAM,0);
    if(s == -1)
    {
        cout<<"socket create error"<<endl;
        exit(1);
    }

    rc = bind(s,(struct sockaddr*)&local,sizeof(local));
    if(rc == -1)
    {
        cout<<"bind error"<<endl;
        exit(1);
    }

    listen(s,5);

    s1 = accept(s,NULL,NULL);
    if(s1 < 0)
    {
        cout<<"accept error"<<endl;
        exit(1);
    }

    rc = recv(s1,buf,11,0);
        //rc = read(s1,buf,11);

        if(rc < 0)
    {
        cout<<"recv call error"<<endl;
        exit(1);
    }
    cout<<"recv from client:"<<buf<<endl;

    rc = send(s1,"hello client",11,0);
        rc = write(s1,"hello client",11);

        if(rc < 0)
    {
        cout<<"send error"<<endl;
        exit(1);
    }

    return 0;
}

/*
* =====================================================================================
*
*       Filename: client.cpp
*
*    Description:
*
*        Version: 1.0
*        Created: 2011年12月19日 12时36分25秒
*       Revision: none
*       Compiler: gcc
*
*         Author: Albert (), wutengfei32@163.com
*        Company:
*
* =====================================================================================
*/
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdlib.h>
#include <iostream>

using namespace std;

int main(int argc,char**argv)
{
    int s,rc;
    struct sockaddr_in peer;
    char buf[20];

    peer.sin_family = AF_INET;
    peer.sin_addr.s_addr = inet_addr("127.0.0.1");
    peer.sin_port = htons(7500);

    s = socket(AF_INET,SOCK_STREAM,0);
    if(s < 0)
    {
        cout<<"socket create error"<<endl;
        exit(1);
    }

    rc = connect(s,(struct sockaddr*)&peer,sizeof(peer));
    if(rc < 0)
    {
        cout<<"conect error"<<endl;
        exit(1);
    }

    rc = send(s,"hello server",12,0);
    //rc = write(s,"hello server",12);

        if(rc < 0)
    {
        cout<<"send error"<<endl;
        exit(1);
    }

    rc = recv(s,buf,12,0);
        //rc = read(s,buf,12);

       if(rc < 0)
    {
        cout<<"recv error"<<endl;
        exit(1);
    }

    cout<<"recv from server:"<<buf<<endl;

    return 0;
}

补充：软件开发 , 其他 ,