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/*
This file is part of libmicrohttpd
Copyright (C) 2007 Christian Grothoff (and other contributing authors)
Copyright (C) 2014-2022 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 minimal_example.c
* @brief minimal example for how to use libmicrohttpd
* @author Christian Grothoff
* @author Karlson2k (Evgeny Grin)
*/
#include "platform.h"
#include <microhttpd.h>
#define PAGE \
"<html><head><title>libmicrohttpd demo</title></head>" \
"<body>libmicrohttpd demo</body></html>"
struct handler_param
{
const char *response_page;
};
static enum MHD_Result
ahc_echo (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)
{
static int aptr;
struct handler_param *param = (struct handler_param *) cls;
struct MHD_Response *response;
enum MHD_Result ret;
(void) url; /* Unused. Silent compiler warning. */
(void) version; /* Unused. Silent compiler warning. */
(void) upload_data; /* Unused. Silent compiler warning. */
(void) upload_data_size; /* Unused. Silent compiler warning. */
if (0 != strcmp (method, "GET"))
return MHD_NO; /* unexpected method */
if (&aptr != *req_cls)
{
/* do never respond on first call */
*req_cls = &aptr;
return MHD_YES;
}
*req_cls = NULL; /* reset when done */
response =
MHD_create_response_from_buffer_static (strlen (param->response_page),
param->response_page);
ret = MHD_queue_response (connection,
MHD_HTTP_OK,
response);
MHD_destroy_response (response);
return ret;
}
int
main (int argc,
char *const *argv)
{
struct MHD_Daemon *d;
struct handler_param data_for_handler;
int port;
if (argc != 2)
{
printf ("%s PORT\n", argv[0]);
return 1;
}
port = atoi (argv[1]);
if ( (1 > port) || (port > 65535) )
{
fprintf (stderr,
"Port must be a number between 1 and 65535.\n");
return 1;
}
data_for_handler.response_page = PAGE;
d = MHD_start_daemon (/* MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_ERROR_LOG, */
MHD_USE_AUTO | MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_ERROR_LOG,
/* MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_ERROR_LOG | MHD_USE_POLL, */
/* MHD_USE_THREAD_PER_CONNECTION | MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_ERROR_LOG | MHD_USE_POLL, */
/* MHD_USE_THREAD_PER_CONNECTION | MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_ERROR_LOG, */
(uint16_t) port,
NULL, NULL, &ahc_echo, &data_for_handler,
MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 120,
MHD_OPTION_END);
if (d == NULL)
return 1;
(void) getc (stdin);
MHD_stop_daemon (d);
return 0;
}
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