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 */