diff --git a/src/examples/Makefile.am b/src/examples/Makefile.am index f934d6ad..7ffddff5 100644 --- a/src/examples/Makefile.am +++ b/src/examples/Makefile.am @@ -20,6 +20,7 @@ noinst_PROGRAMS = \ benchmark_https \ chunked_example \ minimal_example \ + minimal_example_empty \ dual_stack_example \ minimal_example_comet \ querystring_example \ @@ -83,6 +84,11 @@ minimal_example_SOURCES = \ minimal_example_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la +minimal_example_empty_SOURCES = \ + minimal_example_empty.c +minimal_example_empty_LDADD = \ + $(top_builddir)/src/microhttpd/libmicrohttpd.la + upgrade_example_SOURCES = \ upgrade_example.c upgrade_example_CFLAGS = \ @@ -216,4 +222,4 @@ http_chunked_compression_LDADD = \ if HAVE_ZLIB http_compression_LDADD += -lz http_chunked_compression_LDADD += -lz -endif \ No newline at end of file +endif diff --git a/src/examples/minimal_example_empty.c b/src/examples/minimal_example_empty.c new file mode 100644 index 00000000..2de1cc8b --- /dev/null +++ b/src/examples/minimal_example_empty.c @@ -0,0 +1,94 @@ +/* + This file is part of libmicrohttpd + Copyright (C) 2007 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 minimal_example.c + * @brief minimal example for how to use libmicrohttpd + * @author Christian Grothoff + */ + +#include "platform.h" +#include + + +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) +{ + static int aptr; + struct MHD_Response *response; + int 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 != *ptr) + { + /* do never respond on first call */ + *ptr = &aptr; + return MHD_YES; + } + *ptr = NULL; /* reset when done */ + response = MHD_create_response_from_buffer (0, + NULL, + MHD_RESPMEM_PERSISTENT); + ret = MHD_queue_response (connection, + MHD_HTTP_NO_CONTENT, + response); + MHD_destroy_response (response); + return ret; +} + + +int +main (int argc, + char *const *argv) +{ + struct MHD_Daemon *d; + + if (argc != 2) + { + printf ("%s PORT\n", argv[0]); + return 1; + } + 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, */ + atoi (argv[1]), + NULL, NULL, &ahc_echo, NULL, + MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 120, + MHD_OPTION_STRICT_FOR_CLIENT, (int) 1, + MHD_OPTION_END); + if (d == NULL) + return 1; + (void) getc (stdin); + MHD_stop_daemon (d); + return 0; +}