Function httpAcceptConnection

cups/http.c:133–212

 */

http_t *				/* O - HTTP connection or @code NULL@ */
httpAcceptConnection(int fd,		/* I - Listen socket file descriptor */
                     int blocking)	/* I - 1 if the connection should be
        				       blocking, 0 otherwise */
{
  http_t		*http;		/* HTTP connection */
  http_addrlist_t	addrlist;	/* Dummy address list */
  socklen_t		addrlen;	/* Length of address */
  int			val;		/* Socket option value */


 /*
  * Range check input...
  */

  if (fd < 0)
    return (NULL);

 /*
  * Create the client connection...
  */

  memset(&addrlist, 0, sizeof(addrlist));

  if ((http = http_create(NULL, 0, &addrlist, AF_UNSPEC,
                          HTTP_ENCRYPTION_IF_REQUESTED, blocking,
                          _HTTP_MODE_SERVER)) == NULL)
    return (NULL);

 /*
  * Accept the client and get the remote address...
  */

  addrlen = sizeof(http_addr_t);

  if ((http->fd = accept(fd, (struct sockaddr *)&(http->addrlist->addr),
			 &addrlen)) < 0)
  {
    _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(errno), 0);
    httpClose(http);

    return (NULL);
  }

  http->hostaddr = &(http->addrlist->addr);

  if (httpAddrLocalhost(http->hostaddr))
    strlcpy(http->hostname, "localhost", sizeof(http->hostname));
  else
    httpAddrString(http->hostaddr, http->hostname, sizeof(http->hostname));

#ifdef SO_NOSIGPIPE
 /*
  * Disable SIGPIPE for this socket.
  */

  val = 1;
  setsockopt(http->fd, SOL_SOCKET, SO_NOSIGPIPE, CUPS_SOCAST &val, sizeof(val));