linux 多執行緒聊天伺服器

自己寫的linux多執行緒聊天伺服器，可以實現併發，通過鍊錶新增人數。

#include #include #include #include #include #include #include #include #include #include #include typedef struct  client;

typedef struct _node node;
node* head = null;
void list_init() 
void list_insert(client* ps) 
void list_erase(int sockfd) 
p = p->next; }}
void list_tracvel() 
}int list_size() 
return cnt;
}void send_all(char* msg) 
}void * thread_handler(void * p) ;
recv(clientfd, name, sizeof(name), 0);
char *q = strstr(name, "\r\n");
if (q)
*q = "\0";
client c;
c.sockfd = clientfd;
strcpy(c.name, name);
char online_msg[128] = ; //傳送上資訊
sprintf(online_msg, "%s is online!\r\n", c.name);
send_all(online_msg);
list_insert(&c); //鍊錶新增
while (1) ;
int size = recv(clientfd, recv_msg, sizeof(recv_msg), 0);
if (size <= 2 || strncasecmp("quit", recv_msg, 4) == 0)
break;
send_all(recv_msg);
printf("a client %s:%d exit \n", inet_ntoa(c_addr.sin_addr),
ntohs(c_addr.sin_port));
char wel_msg[128] = "welcome back to lizhu's chat room!\r\n";
send(clientfd, wel_msg, strlen(wel_msg), 0);
list_erase(clientfd); //鍊錶新增
char offline_msg[128] = ; //傳送上資訊
sprintf(offline_msg, "%s is online!\r\n", c.name);
send_all(offline_msg);
close(clientfd);
return null; }}
void start() 
int opt = 1; //1代表可以重用 解決伺服器端口占用
setsockopt(sockfd, sol_socket, so_reuseaddr, &opt, 4); //4代表opt的大小
struct sockaddr_in ser_addr;
ser_addr.sin_family = af_inet;
ser_addr.sin_addr.s_addr = inaddr_any; //inet_addr("127.0.0.1");
ser_addr.sin_port = htons(3000);
int ret = bind(sockfd, (struct sockaddr*) &ser_addr, 16);
if (-1 == ret) 
ret = listen(sockfd, 20);
if (-1 == ret) 
printf("lizhu server is ready\n");
while (1) 
printf("a client connected\n");
pthread_t tid;
int ret = pthread_create(&tid, null, thread_handler, &newfd);
if (ret) 
} close(sockfd);
}int main(int agc, char *agv)

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