chiark / gitweb /
disorder-choose rejects tracks in queue/recent list
[disorder] / server / state.c
CommitLineData
460b9539 1/*
2 * This file is part of DisOrder.
5aff007d 3 * Copyright (C) 2004, 2005, 2007, 2008 Richard Kettlewell
460b9539 4 *
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 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
18 * USA
19 */
20
21#include <config.h>
22
23#include <stdlib.h>
24#include <string.h>
25#include <errno.h>
26#include <sys/types.h>
27#include <sys/socket.h>
28#include <sys/stat.h>
29#include <unistd.h>
30#include <locale.h>
31#include <stdio.h>
32#include <pcre.h>
33#include <netdb.h>
34#include <sys/un.h>
35#include <netinet/in.h>
36
37#include "event.h"
38#include "play.h"
5df73aeb 39#include "rights.h"
460b9539 40#include "trackdb.h"
41#include "state.h"
42#include "configuration.h"
43#include "log.h"
44#include "queue.h"
f08c0859 45#include "server-queue.h"
460b9539 46#include "server.h"
47#include "printf.h"
48#include "addr.h"
49
50static const char *current_unix;
51static int current_unix_fd;
52
53static struct addrinfo *current_listen_addrinfo;
54static int current_listen_fd;
55
56void quit(ev_source *ev) {
4363757e 57 info("shutting down...");
460b9539 58 quitting(ev);
59 trackdb_close();
60 trackdb_deinit();
4363757e 61 info("exiting");
445a0f66 62 exit(0);
460b9539 63}
64
65static void reset_socket(ev_source *ev) {
66 const char *new_unix;
67 struct addrinfo *res;
68 struct sockaddr_un sun;
69 char *name;
70
71 static const struct addrinfo pref = {
72 AI_PASSIVE,
73 PF_INET,
74 SOCK_STREAM,
75 IPPROTO_TCP,
76 0,
77 0,
78 0,
79 0
80 };
81
82 /* unix first */
83 new_unix = config_get_file("socket");
84 if(!current_unix || strcmp(current_unix, new_unix)) {
85 /* either there was no socket, or there was but a different path */
86 if(current_unix) {
87 /* stop the old one and remove it from the filesystem */
88 server_stop(ev, current_unix_fd);
89 if(unlink(current_unix) < 0)
90 fatal(errno, "unlink %s", current_unix);
91 }
92 /* start the new one */
93 if(strlen(new_unix) >= sizeof sun.sun_path)
94 fatal(0, "socket path %s is too long", new_unix);
95 memset(&sun, 0, sizeof sun);
96 sun.sun_family = AF_UNIX;
97 strcpy(sun.sun_path, new_unix);
98 if(unlink(new_unix) < 0 && errno != ENOENT)
99 fatal(errno, "unlink %s", new_unix);
100 if((current_unix_fd = server_start(ev, PF_UNIX, sizeof sun,
101 (const struct sockaddr *)&sun,
102 new_unix)) >= 0) {
103 current_unix = new_unix;
104 if(chmod(new_unix, 0777) < 0)
105 fatal(errno, "error calling chmod %s", new_unix);
106 } else
107 current_unix = 0;
108 }
109
110 /* get the new listen config */
111 if(config->listen.n)
112 res = get_address(&config->listen, &pref, &name);
113 else
114 res = 0;
115
116 if((res && !current_listen_addrinfo)
117 || (current_listen_addrinfo
118 && (!res
119 || addrinfocmp(res, current_listen_addrinfo)))) {
120 /* something has to change */
121 if(current_listen_addrinfo) {
122 /* delete the old listener */
123 server_stop(ev, current_listen_fd);
124 freeaddrinfo(current_listen_addrinfo);
125 current_listen_addrinfo = 0;
126 }
127 if(res) {
128 /* start the new listener */
129 if((current_listen_fd = server_start(ev, res->ai_family, res->ai_addrlen,
130 res->ai_addr, name)) >= 0) {
131 current_listen_addrinfo = res;
132 res = 0;
133 }
134 }
135 }
136 /* if res is still set it needs freeing */
137 if(res)
138 freeaddrinfo(res);
139}
140
141int reconfigure(ev_source *ev, int reload) {
142 int need_another_rescan = 0;
143 int ret = 0;
144
145 D(("reconfigure(%d)", reload));
146 if(reload) {
147 need_another_rescan = trackdb_rescan_cancel();
148 trackdb_close();
c00fce3a 149 if(config_read(1))
460b9539 150 ret = -1;
151 else {
152 /* Tell the speaker it needs to reload its config too. */
153 speaker_reload();
154 info("%s: installed new configuration", configfile);
155 }
d25c4615
RK
156 trackdb_open(TRACKDB_NO_UPGRADE);
157 } else
158 /* We only allow for upgrade at startup */
159 trackdb_open(TRACKDB_CAN_UPGRADE);
460b9539 160 if(need_another_rescan)
ffac51d7 161 trackdb_rescan(ev, 1/*check*/);
460b9539 162 if(!ret) {
163 queue_read();
164 recent_read();
165 reset_socket(ev);
166 }
167 return ret;
168}
169
170/*
171Local Variables:
172c-basic-offset:2
173comment-column:40
174End:
175*/