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@@ -0,0 +1,147 @@
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+/*
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+ This file is part of libmicrohttpd
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+ (C) 2007, 2013 Christian Grothoff (and other contributing authors)
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+
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+ This library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ This library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with this library; if not, write to the Free Software
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+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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+*/
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+/**
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+ * @file benchmark.c
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+ * @brief minimal code to benchmark MHD GET performance
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+ * @author Christian Grothoff
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+ */
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+
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+#include "platform.h"
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+#include <microhttpd.h>
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+
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+#define PAGE "<html><head><title>libmicrohttpd demo</title></head><body>libmicrohttpd demo</body></html>"
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+
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+
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+#define SMALL (1024 * 128)
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+
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+/**
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+ * Number of threads to run in the thread pool. Should (roughly) match
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+ * the number of cores on your system.
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+ */
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+#define NUMBER_OF_THREADS 4
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+
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+static unsigned int small_deltas[SMALL];
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+
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+static struct MHD_Response *response;
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+
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+
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+
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+/**
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+ * Signature of the callback used by MHD to notify the
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+ * application about completed requests.
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+ *
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+ * @param cls client-defined closure
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+ * @param connection connection handle
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+ * @param con_cls value as set by the last call to
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+ * the MHD_AccessHandlerCallback
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+ * @param toe reason for request termination
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+ * @see MHD_OPTION_NOTIFY_COMPLETED
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+ */
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+static void
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+completed_callback (void *cls,
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+ struct MHD_Connection *connection,
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+ void **con_cls,
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+ enum MHD_RequestTerminationCode toe)
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+{
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+ struct timeval *tv = *con_cls;
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+ struct timeval tve;
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+ uint64_t delta;
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+
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+ if (NULL == tv)
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+ return;
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+ gettimeofday (&tve, NULL);
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+
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+ delta = 0;
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+ if (tve.tv_usec >= tv->tv_usec)
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+ delta += (tve.tv_sec - tv->tv_sec) * 1000000LL
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+ + (tve.tv_usec - tv->tv_usec);
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+ else
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+ delta += (tve.tv_sec - tv->tv_sec) * 1000000LL
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+ - tv->tv_usec + tve.tv_usec;
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+ if (delta < SMALL)
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+ small_deltas[delta]++;
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+ else
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+ fprintf (stdout, "D: %llu 1\n", (unsigned long long) delta);
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+ free (tv);
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+}
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+
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+
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+static void *
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+uri_logger_cb (void *cls,
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+ const char *uri)
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+{
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+ struct timeval *tv = malloc (sizeof (struct timeval));
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+
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+ if (NULL != tv)
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+ gettimeofday (tv, NULL);
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+ return tv;
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+}
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+
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+
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+static int
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+ahc_echo (void *cls,
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+ struct MHD_Connection *connection,
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+ const char *url,
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+ const char *method,
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+ const char *version,
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+ const char *upload_data, size_t *upload_data_size, void **ptr)
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+{
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+ if (0 != strcmp (method, "GET"))
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+ return MHD_NO; /* unexpected method */
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+ return MHD_queue_response (connection, MHD_HTTP_OK, response);
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+}
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+
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+
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+int
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+main (int argc, char *const *argv)
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+{
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+ struct MHD_Daemon *d;
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+ unsigned int i;
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+
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+ if (argc != 2)
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+ {
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+ printf ("%s PORT\n", argv[0]);
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+ return 1;
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+ }
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+ response = MHD_create_response_from_buffer (strlen (PAGE),
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+ (void *) PAGE,
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+ MHD_RESPMEM_PERSISTENT);
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+
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+ d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY
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+#if ! EPOLL_SUPPORT
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+ | MHD_USE_EPOLL_LINUX_ONLY
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+#endif
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+ ,
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+ atoi (argv[1]),
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+ NULL, NULL, &ahc_echo, NULL,
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+ MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 120,
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+ MHD_OPTION_THREAD_POOL_SIZE, (unsigned int) NUMBER_OF_THREADS,
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+ MHD_OPTION_URI_LOG_CALLBACK, &uri_logger_cb, NULL,
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+ MHD_OPTION_NOTIFY_COMPLETED, &completed_callback, NULL,
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+ MHD_OPTION_END);
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+ if (d == NULL)
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+ return 1;
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+ (void) getc (stdin);
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+ MHD_stop_daemon (d);
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+ MHD_destroy_response (response);
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+ for (i=0;i<SMALL;i++)
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+ if (0 != small_deltas[i])
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+ fprintf (stdout, "D: %d %u\n", i, small_deltas[i]);
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+ return 0;
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+}
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Christian Grothoff