2 * This file is part of DisOrder.
3 * Copyright (C) 2004, 2005, 2007, 2008 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/>.
19 #include "disorder-server.h"
21 static const char *current_unix;
22 static int current_unix_fd;
24 static struct addrinfo *current_listen_addrinfo;
25 static int current_listen_fd;
27 void quit(ev_source *ev) {
28 info("shutting down...");
36 static void reset_socket(ev_source *ev) {
39 struct sockaddr_un sun;
42 static const struct addrinfo pref = {
43 .ai_flags = AI_PASSIVE,
45 .ai_socktype = SOCK_STREAM,
46 .ai_protocol = IPPROTO_TCP,
50 new_unix = config_get_file("socket");
51 if(!current_unix || strcmp(current_unix, new_unix)) {
52 /* either there was no socket, or there was but a different path */
54 /* stop the old one and remove it from the filesystem */
55 server_stop(ev, current_unix_fd);
56 if(unlink(current_unix) < 0)
57 fatal(errno, "unlink %s", current_unix);
59 /* start the new one */
60 if(strlen(new_unix) >= sizeof sun.sun_path)
61 fatal(0, "socket path %s is too long", new_unix);
62 memset(&sun, 0, sizeof sun);
63 sun.sun_family = AF_UNIX;
64 strcpy(sun.sun_path, new_unix);
65 if(unlink(new_unix) < 0 && errno != ENOENT)
66 fatal(errno, "unlink %s", new_unix);
67 if((current_unix_fd = server_start(ev, PF_UNIX, sizeof sun,
68 (const struct sockaddr *)&sun,
70 current_unix = new_unix;
71 if(chmod(new_unix, 0777) < 0)
72 fatal(errno, "error calling chmod %s", new_unix);
77 /* get the new listen config */
79 res = get_address(&config->listen, &pref, &name);
83 if((res && !current_listen_addrinfo)
84 || (current_listen_addrinfo
86 || addrinfocmp(res, current_listen_addrinfo)))) {
87 /* something has to change */
88 if(current_listen_addrinfo) {
89 /* delete the old listener */
90 server_stop(ev, current_listen_fd);
91 freeaddrinfo(current_listen_addrinfo);
92 current_listen_addrinfo = 0;
95 /* start the new listener */
96 if((current_listen_fd = server_start(ev, res->ai_family, res->ai_addrlen,
97 res->ai_addr, name)) >= 0) {
98 current_listen_addrinfo = res;
103 /* if res is still set it needs freeing */
108 int reconfigure(ev_source *ev, int reload) {
109 int need_another_rescan = 0;
112 D(("reconfigure(%d)", reload));
114 need_another_rescan = trackdb_rescan_cancel();
119 /* Tell the speaker it needs to reload its config too. */
121 info("%s: installed new configuration", configfile);
123 trackdb_open(TRACKDB_NO_UPGRADE);
125 /* We only allow for upgrade at startup */
126 trackdb_open(TRACKDB_CAN_UPGRADE);
127 if(need_another_rescan)
128 trackdb_rescan(ev, 1/*check*/, 0, 0);
129 /* Arrange timeouts for schedule actions */