libmicrohttpd

test_get_wait.c (6782B)

---

 /*
      This file is part of libmicrohttpd
      Copyright (C) 2007, 2009, 2011 Christian Grothoff
      Copyright (C) 2014-2022 Evgeny Grin (Karlson2k)
 
      libmicrohttpd is free software; you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published
      by the Free Software Foundation; either version 2, or (at your
      option) any later version.
 
      libmicrohttpd 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
      General Public License for more details.
 
      You should have received a copy of the GNU General Public License
      along with libmicrohttpd; see the file COPYING.  If not, write to the
      Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
      Boston, MA 02110-1301, USA.
 */
 
 /**
  * @file test_get_wait.c
  * @brief Test 'MHD_run_wait()' function.
  * @author Christian Grothoff
  * @author Karlson2k (Evgeny Grin)
  */
 
 #include "MHD_config.h"
 #include "platform.h"
 #include <curl/curl.h>
 #include <microhttpd.h>
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
 #include <pthread.h>
 #include "mhd_has_in_name.h"
 
 /* Turn any MHD_PANIC() or failing mhd_assert() reached from this
    test into a marked, classifiable test error (TESTING.md, P5). */
 #include "mhd_panic_tripwire.h"
 
 #if defined(MHD_CPU_COUNT) && (MHD_CPU_COUNT + 0) < 2
 #undef MHD_CPU_COUNT
 #endif
 #if ! defined(MHD_CPU_COUNT)
 #define MHD_CPU_COUNT 2
 #endif
 
 /**
  * How many rounds of operations do we do for each
  * test.
  * Check all three types of requests for HTTP/1.1:
  * * first request, new connection;
  * * "middle" request, existing connection with stay-alive;
  * * final request, no data processed after.
  */
 #define ROUNDS 3
 
 /**
  * Do we use HTTP 1.1?
  */
 static int oneone;
 
 /**
  * Response to return (re-used).
  */
 static struct MHD_Response *response;
 
 /**
  * Set to 1 if the worker threads are done.
  */
 static volatile int signal_done;
 
 
 static size_t
 copyBuffer (void *ptr,
             size_t size, size_t nmemb,
             void *ctx)
 {
   (void) ptr; (void) ctx;          /* Unused. Silent compiler warning. */
   return size * nmemb;
 }
 
 
 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 ptr;
   enum MHD_Result ret;
   (void) cls;
   (void) url; (void) version;                      /* Unused. Silent compiler warning. */
   (void) upload_data; (void) upload_data_size;     /* Unused. Silent compiler warning. */
 
   if (0 != strcmp (MHD_HTTP_METHOD_GET, method))
     return MHD_NO;              /* unexpected method */
   if (&ptr != *req_cls)
   {
     *req_cls = &ptr;
     return MHD_YES;
   }
   *req_cls = NULL;
   ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
   if (ret == MHD_NO)
     abort ();
   return ret;
 }
 
 
 static void *
 thread_gets (void *param)
 {
   CURL *c;
   CURLcode errornum;
   unsigned int i;
   char url[64];
   uint16_t port = (uint16_t) (intptr_t) param;
 
   snprintf (url,
             sizeof (url),
             "http://127.0.0.1:%u/hello_world",
             (unsigned int) port);
 
   c = curl_easy_init ();
   if (NULL == c)
     _exit (99);
   curl_easy_setopt (c, CURLOPT_URL, url);
   curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
   curl_easy_setopt (c, CURLOPT_WRITEDATA, NULL);
   curl_easy_setopt (c, CURLOPT_FAILONERROR, 1L);
   curl_easy_setopt (c, CURLOPT_TIMEOUT, 15L);
   if (oneone)
     curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
   else
     curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
   curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 15L);
   curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1L);
   for (i = 0; i < ROUNDS; i++)
   {
     if (CURLE_OK != (errornum = curl_easy_perform (c)))
     {
       signal_done = 1;
       fprintf (stderr,
                "curl_easy_perform failed: `%s'\n",
                curl_easy_strerror (errornum));
       curl_easy_cleanup (c);
       abort ();
     }
   }
   curl_easy_cleanup (c);
   signal_done = 1;
 
   return NULL;
 }
 
 
 static unsigned int
 testRunWaitGet (uint16_t port, uint32_t poll_flag)
 {
   pthread_t get_tid;
   struct MHD_Daemon *d;
   const char *const test_desc = ((poll_flag & MHD_USE_AUTO) ?
                                  "MHD_USE_AUTO" :
                                  (poll_flag & MHD_USE_POLL) ?
                                  "MHD_USE_POLL" :
                                  (poll_flag & MHD_USE_EPOLL) ?
                                  "MHD_USE_EPOLL" :
                                  "select()");
 
   if (MHD_NO != MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT))
     port = 0;
 
   printf ("Starting MHD_run_wait() test with MHD in %s polling mode.\n",
           test_desc);
   signal_done = 0;
   d = MHD_start_daemon (MHD_USE_ERROR_LOG | (enum MHD_FLAG) poll_flag,
                         port, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_END);
   if (d == NULL)
     abort ();
   if (0 == port)
   {
     const union MHD_DaemonInfo *dinfo;
     dinfo = MHD_get_daemon_info (d, MHD_DAEMON_INFO_BIND_PORT);
     if ((NULL == dinfo) || (0 == dinfo->port) )
       abort ();
     port = dinfo->port;
   }
 
   if (0 != pthread_create (&get_tid, NULL,
                            &thread_gets, (void *) (intptr_t) port))
     _exit (99);
 
   /* As another thread sets "done" flag after ending of network
    * activity, it's required to set positive timeout value for MHD_run_wait().
    * Alternatively, to use timeout value "-1" here, another thread should start
    * additional connection to wake MHD after setting "done" flag. */
   do
   {
     if (MHD_NO == MHD_run_wait (d, 50))
       abort ();
   } while (0 == signal_done);
 
   if (0 != pthread_join (get_tid, NULL))
     _exit (99);
 
   MHD_stop_daemon (d);
   printf ("Test succeeded.\n");
   return 0;
 }
 
 
 int
 main (int argc, char *const *argv)
 {
   uint16_t port = 1675;
   (void) argc;   /* Unused. Silent compiler warning. */
 
   if ((NULL == argv) || (0 == argv[0]))
     return 99;
   oneone = has_in_name (argv[0], "11");
   if (oneone)
     port += 5;
   if (0 != curl_global_init (CURL_GLOBAL_WIN32))
     return 2;
   response = MHD_create_response_from_buffer_static (strlen ("/hello_world"),
                                                      "/hello_world");
   testRunWaitGet (port++, 0);
   if (MHD_YES == MHD_is_feature_supported (MHD_FEATURE_EPOLL))
     testRunWaitGet (port++, MHD_USE_EPOLL);
   testRunWaitGet (port++, MHD_USE_AUTO);
 
   MHD_destroy_response (response);
   curl_global_cleanup ();
   return 0; /* Errors produce abort() or _exit() */
 }