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[cpp] view plain copy print? /*************************************************** * 文件名:pthread_server.c * 文件描述:创建子线程来接收客户端的数据 ***************************************************/ # include <sys/types.h> # include <sys/socket.h> # include <stdio.h> # include <netinet/ in .h> # include <arpa/inet.h> # include <unistd.h> # include <stdlib.h> # include <pthread.h> void *rec_data( void *fd); int main( int argc,char *argv[]) { int server_sockfd; int *client_sockfd; int server_len, client_len; struct sockaddr_in server_address; struct sockaddr_in client_address; struct sockaddr_in tempaddr; int i,byte; char char_recv,char_send; socklen_t templen; server_sockfd = socket(AF_INET, SOCK_STREAM, 0 ); //创建套接字 server_address.sin_family = AF_INET; server_address.sin_addr.s_addr = htonl(INADDR_ANY); server_address.sin_port = htons( 9734 ); server_len = sizeof(server_address); bind(server_sockfd, (struct sockaddr *)&server_address, server_len); //绑定套接字 templen = sizeof(struct sockaddr); printf( "server waiting for connect/n" ); while ( 1 ){ pthread_t thread; //创建不同的子线程以区别不同的客户端 client_sockfd = ( int *)malloc(sizeof( int )); client_len = sizeof(client_address); *client_sockfd = accept(server_sockfd,(struct sockaddr *)&client_address, (socklen_t *)&client_len); if (- 1 ==*client_sockfd){ perror( "accept" ); continue ; } if (pthread_create(&thread, NULL, rec_data, client_sockfd)!= 0 ) //创建子线程 { perror( "pthread_create" ); break ; } } shutdown(*client_sockfd, 2 ); shutdown(server_sockfd, 2 ); } /***************************************** * 函数名称:rec_data * 功能描述:接受客户端的数据 * 参数列表:fd——连接套接字 * 返回结果:void *****************************************/ void *rec_data( void *fd) { int client_sockfd; int i,byte; char char_recv[ 100 ]; //存放数据 client_sockfd=*(( int *)fd); for (;;) { if ((byte=recv(client_sockfd,char_recv, 100 , 0 ))==- 1 ) { perror( "recv" ); exit(EXIT_FAILURE); } if (strcmp(char_recv, "exit" )== 0 ) //接受到exit时,跳出循环 break ; printf( "receive from client is %s/n" ,char_recv); //打印收到的数据 } free(fd); close(client_sockfd); pthread_exit(NULL); } |
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[cpp] view plain copy print? /*************************************************** * 文件名:pthread_client.c * 文件描述:创建子线程来接收客户端的数据 ***************************************************/ # include <sys/types.h> # include <sys/socket.h> # include <stdio.h> # include <netinet/ in .h> # include <arpa/inet.h> # include <unistd.h> # include <stdlib.h> int main( int argc,char *argv[]) { int sockfd; int len; struct sockaddr_in address; int result; int i,byte; char char_send[ 100 ] = { 0 }; if ((sockfd = socket(AF_INET, SOCK_STREAM, 0 ))==- 1 ) { perror( "socket" ); exit(EXIT_FAILURE); } if (argc != 3 ){ printf( "Usage: fileclient <address> <port>/n" ); //用法:文件名 服务器IP地址 服务器端口地址 return 0 ; } if ((sockfd = socket(AF_INET,SOCK_STREAM, 0 )) == - 1 ){ perror( "sock" ); exit( 1 ); } bzero(&address,sizeof(address)); address.sin_family = AF_INET; address.sin_port = htons(atoi(argv[ 2 ])); inet_pton(AF_INET,argv[ 1 ],&address.sin_addr); len = sizeof(address); if ((result = connect(sockfd, (struct sockaddr *)&address, len))==- 1 ) { perror( "connect" ); exit(EXIT_FAILURE); } for (;;) { scanf( "%s" , char_send); //输入发送数据 fflush(stdin); //清除输入缓存 if (strcmp(char_send, "exit" )== 0 ){ //如果输入exit,跳出循环 if ((byte=send(sockfd,char_send, 100 , 0 ))==- 1 ) { perror( "send" ); exit(EXIT_FAILURE); } break ; } if ((byte=send(sockfd,char_send, 100 , 0 ))==- 1 ) { perror( "send" ); exit(EXIT_FAILURE); } } close(sockfd); exit( 0 ); } |