lesson6 基于多线程的tcp并发服务器

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1. 每条新连接的client都会抛出一个新线程处理事件

/*DATA:2015-4-20 *AUTHOR:WJ *DESCRIPTION:多线程TCP服务器 *1、int socket(int domain, int type, int protocol); *2、int bind(int sockfd, const struct sockaddr *addr, socklen_t addrlen); *3、int listen(int sockfd, int backlog); *4、int accept(int sockfd, struct sockaddr *addr, socklen_t *addrlen); *5、read、write */ #include "apue.h"#define MAX_LISTEN 10char buf[100];int ad[10];struct sockaddr_in server_ip, remote_ip;void *thread_fun(void *arg){while(1){printf("read data from client ; %s\n", inet_ntoa(remote_ip.sin_addr.s_addr));read(ad[(int)arg], buf, 100);printf("buf is %s\n", buf);}return NULL;}int main(){int server_len, remote_len;pthread_t tid[10];int err, sd;int i=0;sd = socket(AF_INET, SOCK_STREAM, 0);if(sd == -1){printf("create socket failed, errno is %d\n", errno);return;}server_ip.sin_family = AF_INET;server_ip.sin_port = htons(5678);server_ip.sin_addr.s_addr = htonl(INADDR_ANY);memset(server_ip.sin_zero, 0, 8);err = bind(sd, (struct sockaddr *)(&server_ip), sizeof(struct sockaddr));if(err == -1){printf("bind error, errno is %d\n", errno);close(sd);return;}err = listen(sd, MAX_LISTEN);if(err == -1){printf("listen error , errno is %d\n", errno);close(sd);return;}remote_len = sizeof(struct sockaddr);while(1){ad[i] = accept(sd, (struct sockaddr *)(&remote_ip), &remote_len);if(ad[i] == -1){printf("accept error, errno is %d \n", errno);close(sd);return;}err = pthread_create(&tid[i], NULL, thread_fun, (void *)i);if(err != 0){printf("create new thread failed\n");close(ad[i]);}i++;}close(sd);return 0;}

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