Commit 40140455 authored by Torben Hohn's avatar Torben Hohn
Browse files

add jack wait

parent 37a5ad93
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <getopt.h>
#include <time.h>
#include <jack/jack.h>
char * my_name;
void
show_usage (void)
{
fprintf (stderr, "\nUsage: %s [options]\n", my_name);
fprintf (stderr, "Check for jack existence, or wait, until it either quits, or gets started\n");
fprintf (stderr, "options:\n");
fprintf (stderr, " -s, --server <name> Connect to the jack server named <name>\n");
fprintf (stderr, " -w, --wait Wait for server to become available\n");
fprintf (stderr, " -q, --quit Wait until server is quit\n");
fprintf (stderr, " -c, --check Check wether server is running\n");
fprintf (stderr, " -t, --timeout Wait timeout in seconds\n");
fprintf (stderr, " -h, --help Display this help message\n");
fprintf (stderr, "For more information see http://jackaudio.org/\n");
}
int
main (int argc, char *argv[])
{
jack_client_t *client;
jack_status_t status;
jack_options_t options = JackNoStartServer;
int c;
int option_index;
char *server_name = NULL;
int wait_for_start = 0;
int wait_for_quit = 0;
int just_check = 0;
int wait_timeout = 0;
time_t start_timestamp;
struct option long_options[] = {
{ "server", 1, 0, 's' },
{ "wait", 0, 0, 'w' },
{ "quit", 0, 0, 'q' },
{ "check", 0, 0, 'c' },
{ "timeout", 1, 0, 't' },
{ "help", 0, 0, 'h' },
{ 0, 0, 0, 0 }
};
my_name = strrchr(argv[0], '/');
if (my_name == 0) {
my_name = argv[0];
} else {
my_name ++;
}
while ((c = getopt_long (argc, argv, "s:wqct:hv", long_options, &option_index)) >= 0) {
switch (c) {
case 's':
server_name = (char *) malloc (sizeof (char) * strlen(optarg));
strcpy (server_name, optarg);
options |= JackServerName;
break;
case 'w':
wait_for_start = 1;
break;
case 'q':
wait_for_quit = 1;
break;
case 'c':
just_check = 1;
break;
case 't':
wait_timeout = atoi(optarg);
break;
case 'h':
show_usage ();
return 1;
break;
default:
show_usage ();
return 1;
break;
}
}
/* try to open server in a loop. breaking under certein conditions */
start_timestamp = time( NULL );
while(1) {
client = jack_client_open ("wait", options, &status, server_name);
/* check for some real error and bail out */
if( (client == NULL) && !(status & JackServerFailed) ) {
fprintf (stderr, "jack_client_open() failed, "
"status = 0x%2.0x\n", status);
return 1;
}
if( client == NULL ) {
if( wait_for_quit ) {
fprintf( stdout, "server is gone\n" );
break;
}
if( just_check ) {
fprintf( stdout, "not running\n" );
break;
}
} else {
jack_client_close( client );
if( wait_for_start ) {
fprintf( stdout, "server is available\n" );
break;
}
if( just_check ) {
fprintf( stdout, "running\n" );
break;
}
}
if( wait_timeout ) {
if( (time( NULL ) - start_timestamp) > wait_timeout ) {
fprintf( stdout, "timeout\n" );
break;
}
}
// Wait a second, and repeat
sleep(1);
}
exit (0);
}
......@@ -16,6 +16,7 @@ example_programs = {
'jack_showtime' : 'showtime.c',
'jack_alias' : 'alias.c',
'jack_bufsize' : 'bufsize.c',
'jack_wait' : 'wait.c',
'jack_samplerate' : 'samplerate.c',
'jack_evmon' : 'evmon.c',
'jack_monitor_client' : 'monitor_client.c',
......
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