php通过socket和c通讯

 php通过socket和c通讯 2006-03-31
09:13:05

分类：

php和c通过socket通信

/*server.c*/

#include 

#include 

#include 

#include 

#include 

#include 

#include 

#include 

#include 

main(){

    int sock;

    struct sockaddr_in server,client;

    int recvd,snd;

    int structlength;

    char * server_ip = "128.168.10.1";/*server ip address*/

    int port = 8888;

    char recvbuf[2000],sendbuf[2000];    

    char str1[]="I have received: ";

    memset((char *)&server,0,sizeof(server));

    server.sin_family = AF_INET;

    server.sin_addr.s_addr = inet_addr(server_ip);

    server.sin_port = htons(port);

    memset((char *)&client,0,sizeof(client));

    client.sin_family = AF_INET;

    client.sin_addr.s_addr = htonl(INADDR_ANY);

    client.sin_port = htons(port);

    

    if((sock = socket (AF_INET,SOCK_DGRAM,0)) < 0 ){

        printf("socket create error! ");

        exit(1);

    }

    

    structlength = sizeof(server);

    if( bind(sock,(struct sockaddr *) &server,structlength) < 0){

        printf("socket bind error! ");

        perror("bind");

        exit(1);

    }

    while(1){

        structlength = sizeof(client);    

            

        printf("waiting....... ");

        recvd = recvfrom(sock,recvbuf,sizeof(recvbuf),0,

            (struct sockaddr *) & client,&structlength);

        if(recvd < 0){

            perror("recvfrom"); 

            exit(EXIT_FAILURE);    

        }

        else{

            printf("received:%s ",recvbuf);

        

            memset(sendbuf,0,strlen(sendbuf));

            memcpy(sendbuf,str1,strlen(str1));

                    

            snd = sendto(sock,sendbuf,strlen(str1),0,

            (struct sockaddr *) &client,structlength);

            if(snd < 0){

            perror("sendto");

            exit(1);

            }

            printf("sendok! ");

        }

        

        

    }    

        

    close(sock);

}

/*

gcc -o server server.c生成server程序，在服务器端运行./server

*/

/*client.php*/

$server_ip="128.168.10.1";

$port = 8888;

$sock=@socket_create(AF_INET,SOCK_DGRAM,0);

if(!$sock){

    echo "socket create failure";

}

if($buf=="")

    $buf="hello,how are you! ";

if(!@socket_sendto($sock,$buf,strlen($buf),0,"128.168.10.1",8888)){

    echo "send error ";

    socket_close($sock);

    exit();

}

$buf="";

$msg="";

if(!@socket_recvfrom($sock,$msg,256,0,&$server_ip,&$port)){

    echo "recvieve error!";

    socket_close($sock);

    exit();

}

echo trim($msg)." ";

socket_close($sock);

?>

/*这个过程很简单，就是客户端提交一个信息，服务端接收，

并返回给客户端一个"接收到"的确认信息。

*/