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 /** @brief TCP listener definition */
28 struct listener
*next
;
33 /** @brief Current listeners */
34 static struct listener
*listeners
;
36 /** @brief Current audio API */
37 const struct uaudio
*api
;
39 void quit(ev_source
*ev
) {
40 info("shutting down...");
48 static struct sockaddr
*copy_sockaddr(const struct addrinfo
*addr
) {
49 struct sockaddr
*sa
= xmalloc_noptr(addr
->ai_addrlen
);
50 memcpy(sa
, addr
->ai_addr
, addr
->ai_addrlen
);
54 static void reset_socket(ev_source
*ev
) {
56 struct addrinfo
*res
, *r
;
57 struct listener
*l
, **ll
;
58 struct sockaddr_un sun
;
61 new_unix
= config_get_file("socket");
62 if(!current_unix
|| strcmp(current_unix
, new_unix
)) {
63 /* either there was no socket, or there was but a different path */
65 /* stop the old one and remove it from the filesystem */
66 server_stop(ev
, current_unix_fd
);
67 if(unlink(current_unix
) < 0)
68 fatal(errno
, "unlink %s", current_unix
);
70 /* start the new one */
71 if(strlen(new_unix
) >= sizeof sun
.sun_path
)
72 fatal(0, "socket path %s is too long", new_unix
);
73 memset(&sun
, 0, sizeof sun
);
74 sun
.sun_family
= AF_UNIX
;
75 strcpy(sun
.sun_path
, new_unix
);
76 if(unlink(new_unix
) < 0 && errno
!= ENOENT
)
77 fatal(errno
, "unlink %s", new_unix
);
78 if((current_unix_fd
= server_start(ev
, PF_UNIX
, sizeof sun
,
79 (const struct sockaddr
*)&sun
,
81 current_unix
= new_unix
;
82 if(chmod(new_unix
, 0777) < 0)
83 fatal(errno
, "error calling chmod %s", new_unix
);
88 /* get the new listen config */
89 if(config
->listen
.af
!= -1)
90 res
= netaddress_resolve(&config
->listen
, 1, IPPROTO_TCP
);
94 /* Close any current listeners that aren't required any more */
97 for(r
= res
; r
; r
= r
->ai_next
)
98 if(!sockaddrcmp(r
->ai_addr
, l
->sa
))
101 /* Didn't find a match, remove this one */
102 server_stop(ev
, l
->fd
);
105 /* This address is still wanted */
110 /* Open any new listeners that are required */
111 for(r
= res
; r
; r
= r
->ai_next
) {
112 for(l
= listeners
; l
; l
= l
->next
)
113 if(!sockaddrcmp(r
->ai_addr
, l
->sa
))
116 /* Didn't find a match, need a new listener */
117 int fd
= server_start(ev
, r
->ai_family
, r
->ai_addrlen
, r
->ai_addr
,
118 format_sockaddr(r
->ai_addr
));
120 l
= xmalloc(sizeof *l
);
122 l
->sa
= copy_sockaddr(r
);
128 /* if res is still set it needs freeing */
133 int reconfigure(ev_source
*ev
, int reload
) {
134 int need_another_rescan
= 0;
137 D(("reconfigure(%d)", reload
));
144 need_another_rescan
= trackdb_rescan_cancel();
149 /* Tell the speaker it needs to reload its config too. */
151 info("%s: installed new configuration", configfile
);
153 trackdb_open(TRACKDB_NO_UPGRADE
);
155 /* We only allow for upgrade at startup */
156 trackdb_open(TRACKDB_CAN_UPGRADE
);
157 api
= uaudio_find(config
->api
);
162 if(need_another_rescan
)
163 trackdb_rescan(ev
, 1/*check*/, 0, 0);
164 /* Arrange timeouts for schedule actions */