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Diffstat (limited to 'src/examples/minimal_example_comet.c')
-rw-r--r-- | src/examples/minimal_example_comet.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/examples/minimal_example_comet.c b/src/examples/minimal_example_comet.c new file mode 100644 index 00000000..0c9d264b --- /dev/null +++ b/src/examples/minimal_example_comet.c @@ -0,0 +1,85 @@ +/* + This file is part of libmicrohttpd + Copyright (C) 2007, 2008 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 generate an infinite stream with libmicrohttpd + * @author Christian Grothoff + */ + +#include "platform.h" +#include <microhttpd.h> + +static ssize_t +data_generator (void *cls, uint64_t pos, char *buf, size_t max) +{ + if (max < 80) + return 0; + memset (buf, 'A', max - 1); + buf[79] = '\n'; + return 80; +} + +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; + + 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_callback (MHD_SIZE_UNKNOWN, + 80, + &data_generator, NULL, NULL); + 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; + + if (argc != 2) + { + printf ("%s PORT\n", argv[0]); + return 1; + } + d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, + atoi (argv[1]), + NULL, NULL, &ahc_echo, NULL, MHD_OPTION_END); + if (d == NULL) + return 1; + (void) getc (stdin); + MHD_stop_daemon (d); + return 0; +} |