我正在編寫POP3服務器,出於某種奇怪的原因,它只能在我的計算機上工作,而沒有其他人在工作。它僅僅因錯誤「傳輸端點未連接」而退出。谷歌顯示,同樣的錯誤消息的大多數問題是由傳遞套接字ID而不是連接ID來讀取,但我沒有做任何事情,我真的明確指出,他們是不同的,這是真的每一個我試着運行它。傳輸端點在讀取時未連接
void pop_protocol(int connection_descriptor){
pthread_t tid;
pthread_create(&tid, NULL, pop_worker, (void *) &connection_descriptor);
}
void *pop_worker(void *cd) {
int connection_descriptor = *((int *) cd);
socket_write(connection_descriptor, "+OK POP3 server ready\r\n");
}
int sockfd = socket_setup(portno);
while (1) {
int connection = socket_get_new_connection(sockfd);
pop_protocol(connection);
}
int socket_setup(int portno){
int fd = socket(AF_INET, SOCK_STREAM, 0);
if (fd == -1) {
fprintf(stderr, "Error: Cannot create socket\n");
perror("");
exit(1);
}
struct sockaddr_in address;
address.sin_addr.s_addr = INADDR_ANY;
address.sin_family = AF_INET;
address.sin_port = htons(portno);
if (bind(fd, (struct sockaddr *) &address, sizeof(address)) == -1) {
fprintf(stderr, "Error: Cannot bind socket to port %d\n", portno);
perror("");
exit(1);
}
if (listen(fd, MAXCONNECTION) == -1) {
fprintf(stderr, "Error: Cannot listen on port\n");
perror("");
exit(1);
}
return fd;
}
int socket_get_new_connection(int sockfd){
struct sockaddr_in address;
socklen_t addrlen = sizeof(struct sockaddr_in);
int new_socket = -1;
int count = 0;
while (new_socket < 0 && count < ACCEPTCOUNTER) {
new_socket = accept(sockfd, (struct sockaddr *) &address, &addrlen);
}
// Attempt timed out. Exit
if (count == ACCEPTCOUNTER) {
fprintf(stderr, "Error: Cannot accept new connections");
perror("");
exit(1);
}
return new_socket;
}
如果有人能夠提供任何有關該問題的見解,我將非常感激。
'int sockfd = socket_setup(portno); (1){int}連接= socket_get_new_connection(sockfd); pop_protocol(connection); }' 這屬於哪裏? –
哦對不起,它是主要的。 – user2350018