IoObject *IoSocket_asyncListen(IoSocket *self, IoObject *locals, IoMessage *m)
{
//doc Socket asyncListen Listens to the socket and returns self immediately or an Error object on error.
if (Socket_listen(SOCKET(self)))
{
return self;
}
else
{
return SOCKETERROR("Socket listen failed");
}
}
static NetDescriptor *
listenPortSingle(struct ListenState *listenState, struct addrinfo *info) {
Socket *sock;
int bindResult;
int listenResult;
NetDescriptor *nd;
sock = Socket_openNative(info->ai_family, info->ai_socktype,
info->ai_protocol);
if (sock == Socket_noSocket) {
int savedErrno = errno;
log_add(log_Error, "socket() failed: %s.", strerror(errno));
errno = savedErrno;
return NULL;
}
(void) Socket_setReuseAddr(sock);
// Ignore errors; it's not a big deal.
if (Socket_setNonBlocking(sock) == -1) {
int savedErrno = errno;
// Error message is already printed.
Socket_close(sock);
errno = savedErrno;
return NULL;
}
bindResult = Socket_bind(sock, info->ai_addr, info->ai_addrlen);
if (bindResult == -1) {
int savedErrno = errno;
if (errno == EADDRINUSE) {
#ifdef DEBUG
log_add(log_Warning, "bind() failed: %s.", strerror(errno));
#endif
} else
log_add(log_Error, "bind() failed: %s.", strerror(errno));
Socket_close(sock);
errno = savedErrno;
return NULL;
}
listenResult = Socket_listen(sock, listenState->flags.backlog);
if (listenResult == -1) {
int savedErrno = errno;
log_add(log_Error, "listen() failed: %s.", strerror(errno));
Socket_close(sock);
errno = savedErrno;
return NULL;
}
nd = NetDescriptor_new(sock, (void *) listenState);
if (nd == NULL) {
int savedErrno = errno;
log_add(log_Error, "NetDescriptor_new() failed: %s.",
strerror(errno));
Socket_close(sock);
errno = savedErrno;
return NULL;
}
NetDescriptor_setReadCallback(nd, acceptCallback);
return nd;
}
