jack1/tools/session_notify.c

/*
 *  smaplerate.c -- get current samplerate
 *
 *  Copyright (C) 2003 Jack O'Quin.
 *  
 *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <jack/jack.h>
#include <jack/transport.h>

char *package;				/* program name */
jack_client_t *client;

jack_session_event_t notify_type;
char *save_path = NULL;

void jack_shutdown(void *arg)
{
	fprintf(stderr, "JACK shut down, exiting ...\n");
	exit(1);
}

void signal_handler(int sig)
{
	jack_client_close(client);
	fprintf(stderr, "signal received, exiting ...\n");
	exit(0);
}

void parse_arguments(int argc, char *argv[])
{

	/* basename $0 */
	package = strrchr(argv[0], '/');
	if (package == 0)
		package = argv[0];
	else
		package++;

	if (argc==2) {
		if( !strcmp( argv[1], "quit" ) ) {
			notify_type = JackSessionQuit;
			return;
		}
	}
	if (argc==3) {
		if( !strcmp( argv[1], "save" ) ) {
			notify_type = JackSessionSave;
			save_path = argv[2];
			return;
		}

	}
	fprintf(stderr, "usage: %s quit|save [path]\n", package);
	exit(9);
}

int main(int argc, char *argv[])
{
	parse_arguments(argc, argv);
	struct session_command *retval;
	int i,j;


	/* become a JACK client */
	if ((client = jack_client_new(package)) == 0) {
		fprintf(stderr, "JACK server not running?\n");
		exit(1);
	}

	signal(SIGQUIT, signal_handler);
	signal(SIGTERM, signal_handler);
	signal(SIGHUP, signal_handler);
	signal(SIGINT, signal_handler);

	jack_on_shutdown(client, jack_shutdown, 0);


	retval = jack_session_notify( client, notify_type, save_path );
	for(i=0; retval[i].uid != 0; i++ ) {
		printf( "%s &\n", retval[i].command );
	}

	for(i=0; retval[i].uid != 0; i++ ) {
		char uidstring[16];
		char *info_cookie;
		snprintf( uidstring, sizeof(uidstring), "%d", retval[i].uid );

		info_cookie = jack_get_cookie_by_uuid( client, uidstring, "info" );
		if( info_cookie ) {
			printf( "info cookie: %s\n", info_cookie );
			jack_free( info_cookie );
		}

		info_cookie = jack_get_cookie_by_uuid( client, uidstring, "info2" );
		if( info_cookie ) {
			printf( "info2 cookie: %s\n", info_cookie );
			jack_free( info_cookie );
		}

		info_cookie = jack_get_cookie_by_uuid( client, uidstring, "unset" );
		if( info_cookie ) {
			printf( "info2 cookie: %s\n", info_cookie );
			jack_free( info_cookie );
		} else {
			printf( "notset cookie not set\n" );
		}

		char* port_regexp = alloca( jack_client_name_size()+3 );
		char* client_name = jack_get_client_name_by_uuid( client, uidstring );
		printf( "client by uuid(%d) %s\n", retval[i].uid, client_name );
		snprintf( port_regexp, jack_client_name_size()+3, "%s", client_name );
		printf( "port_regexp: %s\n", port_regexp );
		jack_free(client_name);
		const char **ports = jack_get_ports( client, port_regexp, NULL, 0 );
		if( !ports )
			continue;
		for (i = 0; ports[i]; ++i) {
			printf( "port: %s\n", ports[i] );
			const char **connections;
			if ((connections = jack_port_get_all_connections (client, jack_port_by_name(client, ports[i]))) != 0) {
				for (j = 0; connections[j]; j++) {
					printf( "jack_connect %s %s\n", ports[i], connections[j] );
				}
				jack_free (connections);
			} 
		}
		jack_free(ports);

	}
	free(retval);

	jack_client_close(client);

	return 0;
}