client客戶端處理器

#include #include #include #include #include #include #include #include

int sockfd;/* 客戶端socket /

char IPADDR = “10.0.0.7”;/* 服務器的IP地址 /

short PORT = 6025;/ 服務器服務端口 */

typedef struct sockaddr SA;

char name[30];

void init()

{

sockfd = socket(AF_INET,SOCK_STREAM,0);

struct sockaddr_in addr;

bzero(&addr,sizeof(struct sockaddr_in));

addr.sin_family = AF_INET;

addr.sin_port = htons(PORT);

addr.sin_addr.s_addr = inet_addr(IPADDR);

if (connect(sockfd,(SA*)&addr,sizeof(addr)) == -1)

{

perror("無法連接到服務器");

exit(-1);

}

printf("客戶端啟動成功\n");

}

void start()

{

pthread_t id;

void* recv_thread(void*);

pthread_create(&id,0,recv_thread,0);

char buf2[100] = {};

sprintf(buf2,"%s進入了聊天室",name);

send(sockfd,buf2,strlen(buf2),0);

while(1)

{

char buf[100] = {};

scanf("%s",buf);

char msg[131] = {};

sprintf(msg,"%s:%s",name,buf);

send(sockfd,msg,strlen(msg),0);

if (strcmp(buf,"bye") == 0)

{

memset(buf2,0,sizeof(buf2));

sprintf(buf2,"%s退出了聊天室",name);

send(sockfd,buf2,strlen(buf2),0);

break;

}

}

close(sockfd);

}

void* recv_thread(void* p)

{

while(1)

{

char buf[100] = {};

if (recv(sockfd,buf,sizeof(buf),0) <= 0)

{

return;

}

printf("%s\n",buf);

}

}

int main()

{

init();

printf(“請輸入您的名字：”);

scanf("%s",name);

start();

return 0;

}

service服務端

#include #include #include #include #include #include

#define IPADDR “10.0.0.7”

#define PORT 6025

int listenfd; /* 服務器socket */

int sockfd = 0;

int main(int argc ,char **argv)

{

listenfd = socket(AF_INET,SOCK_STREAM,0);

if (listenfd == -1)

{

perror(“創建socket失敗!!!”);

return -1;

}

struct sockaddr_in s_add, c_add;

bzero(&s_add,sizeof(struct sockaddr_in));

s_add.sin_family = AF_INET;

s_add.sin_port = htons(PORT);

s_add.sin_addr.s_addr = inet_addr(IPADDR);

int len = sizeof(s_add);

if (bind(listenfd,(struct sockaddr*)&s_add,sizeof(struct sockaddr)) == -1)

{

perror("綁定失敗");

return -1;

}

if (listen(listenfd,10) == -1)

{

perror("設置監聽失敗");

return -1;

}

if(-1 == (sockfd = accept(listenfd, (struct sockaddr*)&c_add, &sizeof(c_add) )))

{

perror("accept error 1");

return -1;

}

printf("IP: %s connected !\n", inet_ntoa(c_add.sin_addr) );

printf("服務器啟動成功\n");

while(1)

{

fd_set readfds;

FD_ZERO(&readfds);

FD_SET(0, &readfds);

FD_SET(sockfd, &readfds);

select(sockfd+1, &readfds, NULL, NULL, NULL);

char buf[1024];

if(FD_ISSET(0, &readfds))

{

printf("input> ");fflush(stdout);

gets(buf);

write(sockfd, buf, sizeof buf);

}

if(FD_ISSET(sockfd, &readfds))

{

read(sockfd, buf, sizeof buf);

printf("%s\n", buf);

}

}

close(sockfd);

}

總結

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