libuhttpd/example/helloworld.c

102 lines
2.8 KiB
C
Executable File

/*
* Copyright (C) 2017 Jianhui Zhao <jianhuizhao329@gmail.com>
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <uhttpd.h>
static void hello_action(struct uh_client *cl)
{
int body_len = 0;
cl->send_header(cl, 200, "OK", -1);
cl->append_header(cl, "Myheader", "Hello");
cl->header_end(cl);
cl->chunk_printf(cl, "<h1>Hello Libuhttpd %s</h1>", UHTTPD_VERSION_STRING);
cl->chunk_printf(cl, "<h1>REMOTE_ADDR: %s</h1>", cl->get_peer_addr(cl));
cl->chunk_printf(cl, "<h1>URL: %s</h1>", cl->get_url(cl));
cl->chunk_printf(cl, "<h1>PATH: %s</h1>", cl->get_path(cl));
cl->chunk_printf(cl, "<h1>QUERY: %s</h1>", cl->get_query(cl));
cl->chunk_printf(cl, "<h1>VAR name: %s</h1>", cl->get_var(cl, "name"));
cl->chunk_printf(cl, "<h1>BODY:%s</h1>", cl->get_body(cl, &body_len));
cl->request_done(cl);
}
static void usage(const char *prog)
{
fprintf(stderr, "Usage: %s [option]\n"
" -p port # Default port is 8080\n"
" -s # SSl on\n"
" -v # verbose\n", prog);
exit(1);
}
int main(int argc, char **argv)
{
struct uh_server *srv = NULL;
int verbose = false;
int ssl = false;
int port = 8080;
int opt;
while ((opt = getopt(argc, argv, "p:vs")) != -1) {
switch (opt)
{
case 'p':
port = atoi(optarg);
break;
case 's':
ssl = true;
break;
case 'v':
verbose = true;
break;
default: /* '?' */
usage(argv[0]);
}
}
if (!verbose)
ulog_threshold(LOG_ERR);
uh_log_debug("libuhttpd version: %s", UHTTPD_VERSION_STRING);
uloop_init();
srv = uh_server_new("0.0.0.0", port);
if (!srv)
goto done;
#if (!UHTTPD_SSL_SUPPORT)
if (ssl)
uh_log_debug("SSl is not compiled in");
#else
if (ssl && srv->ssl_init(srv, "server-key.pem", "server-cert.pem") < 0)
goto done;
#endif
uh_log_debug("Listen on: %s *:%d", srv->ssl ? "https" : "http", port);
srv->add_action(srv, "/hello", hello_action);
uloop_run();
done:
uloop_done();
srv->free(srv);
return 0;
}