server.c

c 语言.多线程.socket网络编程服务端.对select的应用

#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <errno.h>
#include <pthread.h>

#define MYPORT 			8081
#define MAXBACKLOG		5
#define STRLEN			1024


void *Recv(void * arg1)
{
	int i,ret;
	int outp=0;
	int outfd=*(int *)arg1;
	char buf[STRLEN];
	while(1)
	{
		memset(buf,0,STRLEN);
		ret=recv(outfd,buf,STRLEN,0);
		if(ret>0){
			buf[ret]='\0';
			printf("server:recv buf=[%s]\n",buf);
		}else if(ret<0){
			printf("server:recv ret=[%d],errno=[%d]\n",ret,errno);
			break;
		}
		memset(buf,0,STRLEN);
		sprintf(buf,"HTTP/1.1 200 OK\r\nContent-Length: 2\r\nContent-Type: text/html;charset=gb2312\r\n\r\nok");
		ret=send(outfd,buf,strlen(buf),0);
		if(ret>0){
			printf("server:listend ret=[%d],buf=[%s]\n",ret,buf);
		}
		if(ret<0){
			printf("server:listend ret=[%d],errno=[%d]\n",ret,errno);
			break;
		}		
	}

}




int main()
{
	int sockefd,listend;
	int ret,i,addrlen;
	struct sockaddr_in my_addr;
	char buf[STRLEN];
	pthread_t thid;
	
	sockefd=socket(AF_INET,SOCK_STREAM,0);
	
	my_addr.sin_family=AF_INET;
	my_addr.sin_port=htons(MYPORT);
	my_addr.sin_addr.s_addr=inet_addr("192.168.0.102");
	bzero(&my_addr.sin_zero,8);
	
	ret=bind(sockefd,(struct sockaddr*)&my_addr,sizeof(struct sockaddr_in));
	if(ret<0){
		printf("server:bind ret=[%d],errno=[%d]\n",ret,errno);
		return -1;
	}
	
	ret=listen(sockefd,MAXBACKLOG);
	if(ret<0){
		printf("server:listen ret=[%d]\n",ret);
		return -1;
	}
	
	while(1){
		addrlen=sizeof(struct sockaddr_in);
		listend=accept(sockefd,(struct sockaddr *)&my_addr,&addrlen);

		if(listend==-1){
			printf("server:accept listend=[%d],errno=[%d]\n",listend,errno);
			return listend;
		}else{
			if(pthread_create(&thid,NULL,Recv,&listend)<0){
				printf("create the %dth thread fail\n",i);
				return -1;
			}
		}	
	}

	printf("server:exit\n");
	return 0;
}