static int socket_accept (socket_t * sock, socket_t * newsock, struct sockaddr *saddr, socklen_t * len)
{
while ( IS_SOCKET_ERROR(*newsock = accept (*sock, saddr, len)) )
{
if ( socket_error() == EINTR )
continue;
return 1;
}
return 0;
}
// Read a line of input from the socket.
//
static int mod_email_sock_readline(SOCKET sock, UTF8 *buffer, int maxlen)
{
buffer[0] = '\0';
if (IS_INVALID_SOCKET(sock))
{
return 0;
}
fd_set read_fds;
FD_ZERO(&read_fds);
FD_SET(sock, &read_fds);
// Wait up to 1 second.
//
struct timeval tv;
tv.tv_sec = 1;
tv.tv_usec = 0;
// Check for data before giving up.
//
if (IS_SOCKET_ERROR(select(static_cast<int>(sock+1), &read_fds, NULL, NULL, &tv)))
{
return 0;
}
if (!FD_ISSET(sock, &read_fds))
{
return 0;
}
bool done = false;
bool possible_close = false;
int pos = 0;
while ( !done
&& pos < maxlen)
{
UTF8 getme[2];
int numread = SOCKET_READ(sock, (char *)&getme[0], 1, 0);
if ( IS_SOCKET_ERROR(numread)
|| 0 == numread)
{
if (possible_close)
{
done = true;
}
else
{
FD_ZERO(&read_fds);
FD_SET(sock, &read_fds);
// Wait up to 1 second.
//
tv.tv_sec = 1;
tv.tv_usec = 0;
// Check for data before giving up.
//
if (IS_SOCKET_ERROR(select(static_cast<int>(sock+1), &read_fds, NULL, NULL, &tv)))
{
done = true;
}
if (FD_ISSET(sock, &read_fds))
{
possible_close = true;
}
}
}
else
{
possible_close = false;
if (getme[0] != '\n')
{
buffer[pos++] = getme[0];
}
else
{
done = true;
}
}
}
buffer[pos] = '\0';
return pos;
}
static int socket_create (int domain, int type, socket_t * sock)
{
*sock = socket (domain, type, 0);
return IS_SOCKET_ERROR(*sock) ? 1 : 0;
}
static int socket_create (int domain, int type, socket_t * sock)
{
*sock = socket (PF_INET, SOCK_STREAM, 0);
return IS_SOCKET_ERROR(*sock) ? 1 : 0;
}
