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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <getopt.h>
#include <jack/jack.h>
char * my_name;
void
show_version (void)
{
fprintf (stderr, "%s: JACK example tools version %s\n", my_name, __PROJECT_VERSION__);
}
void
show_usage (void)
{
show_version ();
fprintf (stderr, "\nUsage: %s [options] portname alias\n", my_name);
fprintf (stderr, "List active Jack ports, and optionally display extra information.\n\n");
fprintf (stderr, "Display options:\n");
fprintf (stderr, " -u, --unalias remove `alias' as an alias for `port'\n");
fprintf (stderr, " -h, --help Display this help message\n");
fprintf (stderr, " --version Output version information and exit\n\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;
char* portname;
char* alias;
int unset = 0;
int ret;
int c;
int option_index;
extern int optind;
jack_port_t* port;
struct option long_options[] = {
{ "unalias", 0, 0, 'u' },
{ "help", 0, 0, 'h' },
{ "version", 0, 0, 'v' },
{ 0, 0, 0, 0 }
};
if (argc < 3) {
show_usage ();
return 1;
}
my_name = strrchr(argv[0], '/');
if (my_name == 0) {
my_name = argv[0];
} else {
my_name ++;
}
while ((c = getopt_long (argc, argv, "uhv", long_options, &option_index)) >= 0) {
switch (c) {
case 'u':
unset = 1;
break;
case 'h':
show_usage ();
return 1;
break;
case 'v':
show_version ();
return 1;
break;
default:
show_usage ();
return 1;
break;
}
}
portname = argv[optind++];
alias = argv[optind];
/* Open a client connection to the JACK server. Starting a
* new server only to list its ports seems pointless, so we
* specify JackNoStartServer. */
//JOQ: need a new server name option
client = jack_client_open ("lsp", JackNoStartServer, &status);
if (client == NULL) {
if (status & JackServerFailed) {
fprintf (stderr, "JACK server not running\n");
} else {
fprintf (stderr, "jack_client_open() failed, "
"status = 0x%2.0x\n", status);
}
return 1;
}
if ((port = jack_port_by_name (client, portname)) == 0) {
fprintf (stderr, "No port named \"%s\"\n", portname);
return 1;
}
if (!unset) {
ret = jack_port_set_alias (port, alias);
} else {
ret = jack_port_unset_alias (port, alias);
}
jack_client_close (client);
return ret;
}
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