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/* simple_web_server
Copyright (C) 2017 Ricardo Villalba <rvm@users.sourceforge.net>
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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "mongoose.h"
#ifndef _WIN32
#include <sys/types.h>
#include <sys/wait.h>
#endif
static struct mg_serve_http_opts server_opts;
static int exit_flag = 0;
static void ev_handler(struct mg_connection *nc, int ev, void *p) {
if (ev == MG_EV_HTTP_REQUEST) {
mg_serve_http(nc, (struct http_message *) p, server_opts);
}
}
static void __cdecl signal_handler(int sig_num) {
// Reinstantiate signal handler
signal(sig_num, signal_handler);
#ifndef _WIN32
if (sig_num == SIGCHLD) {
do {} while (waitpid(-1, &sig_num, WNOHANG) > 0);
} else
#endif
{ exit_flag = sig_num; }
}
#ifdef _WIN32
static void checkCloseEvent() {
MSG msg;
if (PeekMessage(&msg, NULL, WM_CLOSE, WM_CLOSE, PM_NOREMOVE)) exit_flag = 1;
}
#endif
static void show_usage() {
printf("Usage: simple_web_server [OPTIONS] \n");
printf("%s\n", "Options:");
printf("%s\n", " -p\t port");
printf("%s\n", " -r\t document root");
printf("%s\n", " -j\t hide directory listing");
}
int main(int argc, char *argv[]) {
struct mg_mgr mgr;
struct mg_connection *nc;
const char *http_port = "8000";
const char *doc_root = ".";
const char *listing = "yes";
int i;
// Parse command line options
for (i = 1; i < argc && argv[i][0] == '-'; i++) {
if (strcmp(argv[i], "-p") == 0 && i + 1 < argc) {
http_port = argv[++i];
}
else
if (strcmp(argv[i], "-r") == 0 && i + 1 < argc) {
doc_root = argv[++i];
}
else
if (strcmp(argv[i], "-j") == 0) {
listing = "no";
}
else
if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "-?") == 0) {
show_usage();
return -1;
}
else {
fprintf(stderr, "Error: unknown option %s \n", argv[i]);
show_usage();
return -1;
}
}
// Setup signal handler: quit on Ctrl-C
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
#ifndef _WIN32
signal(SIGCHLD, signal_handler);
#endif
mg_mgr_init(&mgr, NULL);
printf("Starting web server on port %s\n", http_port);
printf("Document root: %s\n", doc_root);
printf("Directory listing: %s\n", listing);
fflush(stdout);
nc = mg_bind(&mgr, http_port, ev_handler);
if (nc == NULL) {
printf("Failed to create listener\n");
return 1;
}
// Set up HTTP server parameters
mg_set_protocol_http_websocket(nc);
server_opts.document_root = doc_root;
server_opts.enable_directory_listing = listing;
server_opts.extra_headers = "Access-Control-Allow-Origin: *";
while (exit_flag == 0) {
mg_mgr_poll(&mgr, 1000);
#ifdef _WIN32
checkCloseEvent();
#endif
}
mg_mgr_free(&mgr);
printf("Exiting on signal %d\n", exit_flag);
return 0;
}
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