Function httpReadRequest

cups/http.c:2163–2316

 */

http_state_t				/* O - New state of connection */
httpReadRequest(http_t *http,		/* I - HTTP connection */
                char   *uri,		/* I - URI buffer */
		size_t urilen)		/* I - Size of URI buffer */
{
  char	line[4096],			/* HTTP request line */
	*req_method,			/* HTTP request method */
	*req_uri,			/* HTTP request URI */
	*req_version;			/* HTTP request version number string */


 /*
  * Range check input...
  */

  DEBUG_printf(("httpReadRequest(http=%p, uri=%p, urilen=" CUPS_LLFMT ")", (void *)http, (void *)uri, CUPS_LLCAST urilen));

  if (uri)
    *uri = '\0';

  if (!http || !uri || urilen < 1)
  {
    DEBUG_puts("1httpReadRequest: Bad arguments, returning HTTP_STATE_ERROR.");
    return (HTTP_STATE_ERROR);
  }
  else if (http->state != HTTP_STATE_WAITING)
  {
    DEBUG_printf(("1httpReadRequest: Bad state %s, returning HTTP_STATE_ERROR.",
                  httpStateString(http->state)));
    return (HTTP_STATE_ERROR);
  }

 /*
  * Reset state...
  */

  httpClearFields(http);

  http->activity       = time(NULL);
  http->data_encoding  = HTTP_ENCODING_FIELDS;
  http->data_remaining = 0;
  http->keep_alive     = HTTP_KEEPALIVE_OFF;
  http->status         = HTTP_STATUS_OK;
  http->version        = HTTP_VERSION_1_1;

 /*
  * Read a line from the socket...
  */

  if (!httpGets(line, sizeof(line), http))
  {
    DEBUG_puts("1httpReadRequest: Unable to read, returning HTTP_STATE_ERROR");
    return (HTTP_STATE_ERROR);
  }

  if (!line[0])
  {
    DEBUG_puts("1httpReadRequest: Blank line, returning HTTP_STATE_WAITING");