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所以,我试图玩插座,但我的read()
电话一直挂着。我在端口80上连接到一个随机网页(例如yahoo.com)。我的输出显示我在写5个字节,但我没有收到任何回报。任何人都可以指出我做错了什么?套接字读()挂
portno = 80;
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0) {printf("could not open socket\n");}
server = gethostbyname("yahoo.com");
if (server == NULL)
{
printf("could not get hostbyname\n");
exit(0);
}
printf("Server name:%s\n",server->h_name);
bzero((char *) &serv_addr, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
bcopy((char *)server->h_addr, (char *)&serv_addr.sin_addr.s_addr, server->h_length);
serv_addr.sin_port = htons(portno);
if (connect(sockfd,(struct sockaddr *) &serv_addr,sizeof(serv_addr)) < 0)
{
printf("connect error\n");
}
char buffer[1000];
strcpy(buffer,"GET \\");
printf("bytes in command:%d\n",sizeof(buffer));
n = write(sockfd,buffer,strlen(buffer));
if(n <= 0){printf("could not get page:\n");}
printf("Bytes that where writen:%d\n", n);
printf("reading from socket\n");
n = read(sockfd,buffer,sizeof(buffer));
printf("bytes that where read:%d",n);
尝试'strcpy(buffer,“GET/\ r \ n \ r \ n”)'开始...... – pilcrow