2 * session_notify.c -- ultra minimal session manager
4 * Copyright (C) 2010 Torben Hohn.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 #include <jack/jack.h>
28 #include <jack/jslist.h>
29 #include <jack/transport.h>
30 #include <jack/session.h>
32 char *package
; /* program name */
33 jack_client_t
*client
;
35 jack_session_event_type_t notify_type
;
36 char *save_path
= NULL
;
38 void jack_shutdown(void *arg
)
40 fprintf(stderr
, "JACK shut down, exiting ...\n");
44 void signal_handler(int sig
)
46 jack_client_close(client
);
47 fprintf(stderr
, "signal received, exiting ...\n");
51 void parse_arguments(int argc
, char *argv
[])
55 package
= strrchr(argv
[0], '/');
62 if( !strcmp( argv
[1], "quit" ) ) {
63 notify_type
= JackSessionSaveAndQuit
;
68 if( !strcmp( argv
[1], "save" ) ) {
69 notify_type
= JackSessionSave
;
75 fprintf(stderr
, "usage: %s quit|save [path]\n", package
);
84 JSList
*uuid_map
= NULL
;
86 void add_uuid_mapping( const char *uuid
) {
87 char *clientname
= jack_get_client_name_by_uuid( client
, uuid
);
89 printf( "error... cant find client for uuid" );
93 uuid_map_t
*mapping
= malloc( sizeof(uuid_map_t
) );
94 snprintf( mapping
->uuid
, sizeof(mapping
->uuid
), "%s", uuid
);
95 snprintf( mapping
->name
, sizeof(mapping
->name
), "%s", clientname
);
96 uuid_map
= jack_slist_append( uuid_map
, mapping
);
99 char *map_port_name_to_uuid_port( const char *port_name
)
103 char *port_component
= strchr( port_name
,':' );
104 char *client_component
= strdup( port_name
);
105 strchr( client_component
, ':' )[0] = '\0';
107 sprintf( retval
, "%s", port_name
);
109 for( node
=uuid_map
; node
; node
=jack_slist_next(node
) ) {
110 uuid_map_t
*mapping
= node
->data
;
111 if( !strcmp( mapping
->name
, client_component
) ) {
112 sprintf( retval
, "%s%s", mapping
->uuid
, port_component
);
117 return strdup(retval
);
120 int main(int argc
, char *argv
[])
122 parse_arguments(argc
, argv
);
123 jack_session_command_t
*retval
;
127 /* become a JACK client */
128 if ((client
= jack_client_open(package
, JackNullOption
, NULL
)) == 0) {
129 fprintf(stderr
, "JACK server not running?\n");
133 signal(SIGQUIT
, signal_handler
);
134 signal(SIGTERM
, signal_handler
);
135 signal(SIGHUP
, signal_handler
);
136 signal(SIGINT
, signal_handler
);
138 jack_on_shutdown(client
, jack_shutdown
, 0);
140 jack_activate(client
);
143 retval
= jack_session_notify( client
, NULL
, notify_type
, save_path
);
144 for (i
= 0; retval
[i
].uuid
; i
++) {
145 printf( "export SESSION_DIR=\"%s%s/\"\n", save_path
, retval
[i
].client_name
);
146 printf( "%s &\n", retval
[i
].command
);
147 add_uuid_mapping(retval
[i
].uuid
);
150 printf( "sleep 10\n" );
152 for (k
= 0; retval
[k
].uuid
; k
++) {
154 char* port_regexp
= alloca( jack_client_name_size()+3 );
155 char* client_name
= jack_get_client_name_by_uuid( client
, retval
[k
].uuid
);
156 snprintf( port_regexp
, jack_client_name_size()+3, "%s:.*", client_name
);
157 jack_free(client_name
);
158 const char **ports
= jack_get_ports( client
, port_regexp
, NULL
, 0 );
162 for (i
= 0; ports
[i
]; ++i
) {
163 const char **connections
;
164 if ((connections
= jack_port_get_all_connections (client
, jack_port_by_name(client
, ports
[i
]))) != 0) {
165 for (j
= 0; connections
[j
]; j
++) {
166 char *src
= map_port_name_to_uuid_port( ports
[i
] );
167 char *dst
= map_port_name_to_uuid_port( connections
[j
] );
168 printf( "jack_connect -u \"%s\" \"%s\"\n", src
, dst
);
170 jack_free (connections
);
176 jack_session_commands_free(retval
);
178 jack_client_close(client
);