ladish/lashd/main.c

/*
 *   LASH
 *    
 *   Copyright (C) 2002 Robert Ham <rah@bash.sh>
 *    
 *   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#define _GNU_SOURCE

#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <limits.h>

#include <jack/jack.h>
#include <libxml/tree.h>
#define XML_COMPRESSION_LEVEL 5

#include <lash/lash.h>
#include <lash/loader.h>
#include <lash/debug.h>

#include "config.h"
#include "conn_mgr.h"
#include "server.h"

#ifdef LASH_DEBUG
#  include <mcheck.h>
#endif

int no_v6 = 0;
server_t *global_server = NULL;

void
term_handler(int signum)
{
	LASH_DEBUGARGS("recieved signal %d (%s), terminating", signum,
				   strsignal(signum));

	global_server->quit = 1;
}

/*void
loader_quit_handler (int signum)
{
  LASH_DEBUGARGS ("recieved signal %s; setting loader's quit flag", strsignal (signum));
  
  server_set_loader_quit (global_server, 1);
}*/

static void
print_help()
{
	printf("lashd version %s\n", PACKAGE_VERSION);
	printf("Copyright (C) 2002 Robert Ham <rah@bash.sh>\n");
	printf("\n");
	printf
		("This program comes with ABSOLUTELY NO WARRANTY.  You are licensed to use it\n");
	printf
		("under the terms of the GNU General Public License, version 2 or later.  See\n");
	printf("the COPYING file that came with this software for details.\n");
	printf("\n");
	printf("Compiled with JACK %s, libxml2 %s", JACK_VERSION, XML2_VERSION);
#ifdef ALSA_SUPPORT
	printf(", ALSA %s", ALSA_VERSION);
#endif
	printf("\n\n");
	printf(" -h, --help                  Display this help info\n");
	printf
		(" -d, --default-dir <dir>     Use <dir> within $HOME to store project directories\n");
	printf(" -n, --no-ipv6               Do not use IPv6\n");
	printf("\n");
}

int
main(int argc, char **argv)
{
	int opt;
	const char *options = "hD:d:n";
	struct option long_options[] = {
		{"help", 0, NULL, 'h'},
		{"tmpdir", 1, NULL, 'D'},
		{"default-dir", 1, NULL, 'd'},
		{"no-ipv6", 0, NULL, 'n'},
		{0, 0, 0, 0}
	};
	char *default_dir = NULL;
	sig_t sigh;

#ifdef LASH_DEBUG
	mtrace();
#endif

	xmlSetCompressMode(XML_COMPRESSION_LEVEL);

	while ((opt = getopt_long(argc, argv, options, long_options, NULL)) != -1) {
		switch (opt) {
		case 'h':
			print_help();
			exit(0);
			break;
		case 'd':
			default_dir = optarg;
			break;
		case 'n':
			no_v6 = 1;
			break;

		case ':':
			print_help();
			exit(1);
			break;
		case '?':
			print_help();
			exit(1);
			break;
		}
	}

	if (!default_dir)
		default_dir = DEFAULT_PROJECT_DIR;

	LASH_DEBUGARGS("default dir: '%s'", default_dir);

	global_server = server_new(default_dir);

	/* install the signal handlers */
	sigh = signal(SIGTERM, term_handler);
	if (sigh == SIG_IGN)
		signal(SIGTERM, SIG_IGN);

	sigh = signal(SIGINT, term_handler);
	if (sigh == SIG_IGN)
		signal(SIGINT, SIG_IGN);

	sigh = signal(SIGHUP, term_handler);
	if (sigh == SIG_IGN)
		signal(SIGHUP, SIG_IGN);

	signal(SIGCHLD, term_handler);
	signal(SIGPIPE, SIG_IGN);

	server_main(global_server);

	printf("Cleaning up\n");

	LASH_PRINT_DEBUG("finished, cleaning up");

	server_destroy(global_server);

	LASH_PRINT_DEBUG("cleaned up, exiting");
	printf("Finished\n");
	exit(0);
}