Commit | Line | Data |
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460b9539 | 1 | /* |
2 | * This file is part of DisOrder. | |
b50cfb8a | 3 | * Copyright (C) 2004, 2005, 2007-2009 Richard Kettlewell |
460b9539 | 4 | * |
e7eb3a27 | 5 | * This program is free software: you can redistribute it and/or modify |
460b9539 | 6 | * it under the terms of the GNU General Public License as published by |
e7eb3a27 | 7 | * the Free Software Foundation, either version 3 of the License, or |
460b9539 | 8 | * (at your option) any later version. |
9 | * | |
e7eb3a27 RK |
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. | |
14 | * | |
460b9539 | 15 | * You should have received a copy of the GNU General Public License |
e7eb3a27 | 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
460b9539 | 17 | */ |
132a5a4a RK |
18 | /** @file server/state.c |
19 | * @brief Global server state | |
20 | */ | |
05b75f8d | 21 | #include "disorder-server.h" |
460b9539 | 22 | |
23 | static const char *current_unix; | |
24 | static int current_unix_fd; | |
25 | ||
26 | static struct addrinfo *current_listen_addrinfo; | |
27 | static int current_listen_fd; | |
28 | ||
b50cfb8a RK |
29 | /** @brief Current audio API */ |
30 | const struct uaudio *api; | |
31 | ||
460b9539 | 32 | void quit(ev_source *ev) { |
4363757e | 33 | info("shutting down..."); |
460b9539 | 34 | quitting(ev); |
35 | trackdb_close(); | |
36 | trackdb_deinit(); | |
4363757e | 37 | info("exiting"); |
445a0f66 | 38 | exit(0); |
460b9539 | 39 | } |
40 | ||
41 | static void reset_socket(ev_source *ev) { | |
42 | const char *new_unix; | |
43 | struct addrinfo *res; | |
44 | struct sockaddr_un sun; | |
45 | char *name; | |
46 | ||
47 | static const struct addrinfo pref = { | |
66613034 RK |
48 | .ai_flags = AI_PASSIVE, |
49 | .ai_family = PF_INET, | |
50 | .ai_socktype = SOCK_STREAM, | |
51 | .ai_protocol = IPPROTO_TCP, | |
460b9539 | 52 | }; |
53 | ||
54 | /* unix first */ | |
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 */ | |
58 | if(current_unix) { | |
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); | |
63 | } | |
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, | |
74 | new_unix)) >= 0) { | |
75 | current_unix = new_unix; | |
76 | if(chmod(new_unix, 0777) < 0) | |
77 | fatal(errno, "error calling chmod %s", new_unix); | |
78 | } else | |
79 | current_unix = 0; | |
80 | } | |
81 | ||
82 | /* get the new listen config */ | |
83 | if(config->listen.n) | |
84 | res = get_address(&config->listen, &pref, &name); | |
85 | else | |
86 | res = 0; | |
87 | ||
88 | if((res && !current_listen_addrinfo) | |
89 | || (current_listen_addrinfo | |
90 | && (!res | |
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; | |
98 | } | |
99 | if(res) { | |
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; | |
104 | res = 0; | |
105 | } | |
106 | } | |
107 | } | |
108 | /* if res is still set it needs freeing */ | |
109 | if(res) | |
110 | freeaddrinfo(res); | |
111 | } | |
112 | ||
113 | int reconfigure(ev_source *ev, int reload) { | |
114 | int need_another_rescan = 0; | |
115 | int ret = 0; | |
116 | ||
117 | D(("reconfigure(%d)", reload)); | |
b50cfb8a RK |
118 | if(api) { |
119 | if(api->close_mixer) | |
120 | api->close_mixer(); | |
121 | api = NULL; | |
122 | } | |
460b9539 | 123 | if(reload) { |
124 | need_another_rescan = trackdb_rescan_cancel(); | |
125 | trackdb_close(); | |
c00fce3a | 126 | if(config_read(1)) |
460b9539 | 127 | ret = -1; |
128 | else { | |
129 | /* Tell the speaker it needs to reload its config too. */ | |
130 | speaker_reload(); | |
131 | info("%s: installed new configuration", configfile); | |
132 | } | |
d25c4615 RK |
133 | trackdb_open(TRACKDB_NO_UPGRADE); |
134 | } else | |
135 | /* We only allow for upgrade at startup */ | |
136 | trackdb_open(TRACKDB_CAN_UPGRADE); | |
b50cfb8a | 137 | api = uaudio_find(config->api); |
ba70caca RK |
138 | if(api->configure) |
139 | api->configure(); | |
b50cfb8a RK |
140 | if(api->open_mixer) |
141 | api->open_mixer(); | |
460b9539 | 142 | if(need_another_rescan) |
dd9af5cb | 143 | trackdb_rescan(ev, 1/*check*/, 0, 0); |
fdca70ee RK |
144 | /* Arrange timeouts for schedule actions */ |
145 | schedule_init(ev); | |
460b9539 | 146 | if(!ret) { |
147 | queue_read(); | |
148 | recent_read(); | |
149 | reset_socket(ev); | |
150 | } | |
151 | return ret; | |
152 | } | |
153 | ||
154 | /* | |
155 | Local Variables: | |
156 | c-basic-offset:2 | |
157 | comment-column:40 | |
158 | End: | |
159 | */ |