githubmirror/libmicrohttpd

src/examples/timeout.c
90 строк3 KB
Christian Grothoff
check rvalues from MHD_post_process in examples
25 сен 2023, 22:38
25 сен 2023, 22:380ae4940
/*
     This file is part of libmicrohttpd
     Copyright (C) 2016-2017 Christian Grothoff,
     Silvio Clecio (silvioprog), Evgeny Grin (Karlson2k)
     Copyright (C) 2022 Evgeny Grin (Karlson2k)

     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
     version 2.1 of the License, or (at your option) any later version.

     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.

     You should have received a copy of the GNU Lesser General Public
     License along with this library; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/
/**
 * @file timeout.c
 * @brief example for how to use libmicrohttpd request timeout
 * @author Christian Grothoff, Silvio Clecio (silvioprog), Karlson2k (Evgeny Grin)
 */

#include <microhttpd.h>
#include <stdio.h>
#include <string.h>

#define PORT 8080

static enum MHD_Result
answer_to_connection (void *cls,
                      struct MHD_Connection *connection,
                      const char *url,
                      const char *method,
                      const char *version,
                      const char *upload_data,
                      size_t *upload_data_size,
                      void **req_cls)
{
  const char *page = "<html><body>Hello timeout!</body></html>";
  struct MHD_Response *response;
  enum MHD_Result ret;
  (void) cls;               /* Unused. Silent compiler warning. */
  (void) url;               /* Unused. Silent compiler warning. */
  (void) version;           /* Unused. Silent compiler warning. */
  (void) method;            /* Unused. Silent compiler warning. */
  (void) upload_data;       /* Unused. Silent compiler warning. */
  (void) upload_data_size;  /* Unused. Silent compiler warning. */
  (void) req_cls;           /* Unused. Silent compiler warning. */

  response = MHD_create_response_from_buffer_static (strlen (page),
                                                     (const void *) page);
  if (MHD_YES !=
      MHD_add_response_header (response,
                               MHD_HTTP_HEADER_CONTENT_TYPE,
                               "text/html"))
  {
    fprintf (stderr,
             "Failed to set content type header!\n");
  }
  ret = MHD_queue_response (connection,
                            MHD_HTTP_OK,
                            response);
  MHD_destroy_response (response);
  return ret;
}


int
main (void)
{
  struct MHD_Daemon *daemon;

  daemon = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION
                             | MHD_USE_INTERNAL_POLLING_THREAD,
                             PORT,
                             NULL, NULL,
                             &answer_to_connection, NULL,
                             /* 3 seconds */
                             MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 3,
                             MHD_OPTION_END);
  if (NULL == daemon)
    return 1;
  (void) getchar ();
  MHD_stop_daemon (daemon);
  return 0;
}