| /* |
| This file is part of libmicrohttpd |
| Copyright (C) 2007, 2013 Christian Grothoff (and other contributing authors) |
| |
| 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 benchmark.c |
| * @brief minimal code to benchmark MHD GET performance |
| * @author Christian Grothoff |
| */ |
| |
| #include "platform.h" |
| #include <microhttpd.h> |
| |
| #if defined(CPU_COUNT) && (CPU_COUNT+0) < 2 |
| #undef CPU_COUNT |
| #endif |
| #if !defined(CPU_COUNT) |
| #define CPU_COUNT 2 |
| #endif |
| |
| #define PAGE "<html><head><title>libmicrohttpd demo</title></head><body>libmicrohttpd demo</body></html>" |
| |
| |
| #define SMALL (1024 * 128) |
| |
| /** |
| * Number of threads to run in the thread pool. Should (roughly) match |
| * the number of cores on your system. |
| */ |
| #define NUMBER_OF_THREADS CPU_COUNT |
| |
| static unsigned int small_deltas[SMALL]; |
| |
| static struct MHD_Response *response; |
| |
| |
| |
| /** |
| * Signature of the callback used by MHD to notify the |
| * application about completed requests. |
| * |
| * @param cls client-defined closure |
| * @param connection connection handle |
| * @param con_cls value as set by the last call to |
| * the MHD_AccessHandlerCallback |
| * @param toe reason for request termination |
| * @see MHD_OPTION_NOTIFY_COMPLETED |
| */ |
| static void |
| completed_callback (void *cls, |
| struct MHD_Connection *connection, |
| void **con_cls, |
| enum MHD_RequestTerminationCode toe) |
| { |
| struct timeval *tv = *con_cls; |
| struct timeval tve; |
| uint64_t delta; |
| |
| if (NULL == tv) |
| return; |
| gettimeofday (&tve, NULL); |
| |
| delta = 0; |
| if (tve.tv_usec >= tv->tv_usec) |
| delta += (tve.tv_sec - tv->tv_sec) * 1000000LL |
| + (tve.tv_usec - tv->tv_usec); |
| else |
| delta += (tve.tv_sec - tv->tv_sec) * 1000000LL |
| - tv->tv_usec + tve.tv_usec; |
| if (delta < SMALL) |
| small_deltas[delta]++; |
| else |
| fprintf (stdout, "D: %llu 1\n", (unsigned long long) delta); |
| free (tv); |
| } |
| |
| |
| static void * |
| uri_logger_cb (void *cls, |
| const char *uri) |
| { |
| struct timeval *tv = malloc (sizeof (struct timeval)); |
| |
| if (NULL != tv) |
| gettimeofday (tv, NULL); |
| return tv; |
| } |
| |
| |
| static int |
| 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 **ptr) |
| { |
| if (0 != strcmp (method, "GET")) |
| return MHD_NO; /* unexpected method */ |
| return MHD_queue_response (connection, MHD_HTTP_OK, response); |
| } |
| |
| |
| int |
| main (int argc, char *const *argv) |
| { |
| struct MHD_Daemon *d; |
| unsigned int i; |
| |
| if (argc != 2) |
| { |
| printf ("%s PORT\n", argv[0]); |
| return 1; |
| } |
| response = MHD_create_response_from_buffer (strlen (PAGE), |
| (void *) PAGE, |
| MHD_RESPMEM_PERSISTENT); |
| #if 0 |
| (void) MHD_add_response_header (response, |
| MHD_HTTP_HEADER_CONNECTION, |
| "close"); |
| #endif |
| d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_SUPPRESS_DATE_NO_CLOCK |
| #if EPOLL_SUPPORT |
| | MHD_USE_EPOLL_LINUX_ONLY | MHD_USE_EPOLL_TURBO |
| #endif |
| , |
| atoi (argv[1]), |
| NULL, NULL, &ahc_echo, NULL, |
| MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 120, |
| MHD_OPTION_THREAD_POOL_SIZE, (unsigned int) NUMBER_OF_THREADS, |
| MHD_OPTION_URI_LOG_CALLBACK, &uri_logger_cb, NULL, |
| MHD_OPTION_NOTIFY_COMPLETED, &completed_callback, NULL, |
| MHD_OPTION_CONNECTION_LIMIT, (unsigned int) 1000, |
| MHD_OPTION_END); |
| if (d == NULL) |
| return 1; |
| (void) getc (stdin); |
| MHD_stop_daemon (d); |
| MHD_destroy_response (response); |
| for (i=0;i<SMALL;i++) |
| if (0 != small_deltas[i]) |
| fprintf (stdout, "D: %d %u\n", i, small_deltas[i]); |
| return 0; |
| } |
