2 * This file is part of DisOrder.
3 * Copyright (C) 2004, 2005, 2007-2009 Richard Kettlewell
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 /** @file server/state.c
19 * @brief Global server state
21 #include "disorder-server.h"
23 static const char *current_unix
;
24 static int current_unix_fd
;
26 static struct addrinfo
*current_listen_addrinfo
;
27 static int current_listen_fd
;
29 /** @brief Current audio API */
30 const struct uaudio
*api
;
32 void quit(ev_source
*ev
) {
33 info("shutting down...");
41 static void reset_socket(ev_source
*ev
) {
44 struct sockaddr_un sun
;
47 static const struct addrinfo pref
= {
48 .ai_flags
= AI_PASSIVE
,
50 .ai_socktype
= SOCK_STREAM
,
51 .ai_protocol
= IPPROTO_TCP
,
55 new_unix
= config_get_file("socket");
56 if(!current_unix
|| strcmp(current_unix
, new_unix
)) {
57 /* either there was no socket, or there was but a different path */
59 /* stop the old one and remove it from the filesystem */
60 server_stop(ev
, current_unix_fd
);
61 if(unlink(current_unix
) < 0)
62 fatal(errno
, "unlink %s", current_unix
);
64 /* start the new one */
65 if(strlen(new_unix
) >= sizeof sun
.sun_path
)
66 fatal(0, "socket path %s is too long", new_unix
);
67 memset(&sun
, 0, sizeof sun
);
68 sun
.sun_family
= AF_UNIX
;
69 strcpy(sun
.sun_path
, new_unix
);
70 if(unlink(new_unix
) < 0 && errno
!= ENOENT
)
71 fatal(errno
, "unlink %s", new_unix
);
72 if((current_unix_fd
= server_start(ev
, PF_UNIX
, sizeof sun
,
73 (const struct sockaddr
*)&sun
,
75 current_unix
= new_unix
;
76 if(chmod(new_unix
, 0777) < 0)
77 fatal(errno
, "error calling chmod %s", new_unix
);
82 /* get the new listen config */
84 res
= get_address(&config
->listen
, &pref
, &name
);
88 if((res
&& !current_listen_addrinfo
)
89 || (current_listen_addrinfo
91 || addrinfocmp(res
, current_listen_addrinfo
)))) {
92 /* something has to change */
93 if(current_listen_addrinfo
) {
94 /* delete the old listener */
95 server_stop(ev
, current_listen_fd
);
96 freeaddrinfo(current_listen_addrinfo
);
97 current_listen_addrinfo
= 0;
100 /* start the new listener */
101 if((current_listen_fd
= server_start(ev
, res
->ai_family
, res
->ai_addrlen
,
102 res
->ai_addr
, name
)) >= 0) {
103 current_listen_addrinfo
= res
;
108 /* if res is still set it needs freeing */
113 int reconfigure(ev_source
*ev
, int reload
) {
114 int need_another_rescan
= 0;
117 D(("reconfigure(%d)", reload
));
124 need_another_rescan
= trackdb_rescan_cancel();
129 /* Tell the speaker it needs to reload its config too. */
131 info("%s: installed new configuration", configfile
);
133 trackdb_open(TRACKDB_NO_UPGRADE
);
135 /* We only allow for upgrade at startup */
136 trackdb_open(TRACKDB_CAN_UPGRADE
);
137 api
= uaudio_find(config
->api
);
142 if(need_another_rescan
)
143 trackdb_rescan(ev
, 1/*check*/, 0, 0);
144 /* Arrange timeouts for schedule actions */