Linux下基于socket多线程并发通信的实现

分类：Linux2011-05-21 18:138455人阅读评论(5)收藏举报socket多线程linuxserverstruct服务器[cpp]view plaincopy

/***************************************************
*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);
intmain(intargc,char*argv[])
{
intserver_sockfd;
int*client_sockfd;
intserver_len,client_len;
structsockaddr_inserver_address;
structsockaddr_inclient_address;
structsockaddr_intempaddr;
inti,byte;
charchar_recv,char_send;
socklen_ttemplen;
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,(structsockaddr*)&server_address,server_len);//绑定套接字
templen=sizeof(structsockaddr);
printf("serverwaitingforconnect/n");
while(1){
pthread_tthread;//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,(structsockaddr*)&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)
{
intclient_sockfd;
inti,byte;
charchar_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("receivefromclientis%s/n",char_recv);//打印收到的数据
}
free(fd);
close(client_sockfd);
pthread_exit(NULL);
}
/***************************************************
*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>
intmain(intargc,char*argv[])
{
intsockfd;
intlen;
structsockaddr_inaddress;
intresult;
inti,byte;
charchar_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
return0;
}
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,(structsockaddr*)&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);
}

编译服务器端程序pthread_server.c：

$gcc pthread_server.c –o server –lpthread

编译客户端程序pthread_client.c:

$gcc pthread_client.c –o client

编译在开发板上跑的客户端程序：

$arm-linux-gcc client.c –o arm_client

先启动服务器端的程序server:

$./server

打开另一个终端，启动客户端的程序client:

$./client 127.0.0.1 9734

把arm_client放到开发板上，启动arm_client:

$./arm_client 219.222.170.9 9734

结果:

服务器端：

tongs@tong"s-desktop:~/c_c++_program/sock_inet_comm2$ ./server

server waiting for connect

receive from client is client

receive from client is arm_client

客户端：

tongs@tong"s-desktop:~/c_c++_program/sock_inet_comm2$ ./client 127.0.0.1 9734

client

exit

开发板服务器端

[/mnt/yaffs/nfs_share/sock_tcp/thread_socket]./arm_client219.222.170.9 9734

arm_client

exit

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Linux下基于socket多线程并发通信的实现

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