libuhttpd/example/helloworld.c

/*
 * 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>

//#define EXAMPLE_SSL

#define port 8000

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);
}

int main(int argc, char **argv)
{
    struct uh_server *srv = NULL;
    
    uh_log_debug("libuhttpd version: %s", UHTTPD_VERSION_STRING);

    uloop_init();

    srv = uh_server_new("0.0.0.0", port);
    if (!srv)
        goto done;

    uh_log_debug("Listen on: *:%s", port);

#ifdef EXAMPLE_SSL
#if (UHTTPD_SSL_SUPPORT)
    if (srv->ssl_init(srv, "/etc/wifidog/wifidog.key", "/etc/wifidog/wifidog.crt") < 0)
        goto done;
#endif
#endif

    srv->add_action(srv, "/hello", hello_action);
    
    uloop_run();
done:
    uloop_done();
    srv->free(srv);
    
    return 0;
}