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 2 of the License, or
8 * (at your option) any later version.
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.
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
26 #include <sys/types.h>
27 #include <sys/socket.h>
35 #include <netinet/in.h>
42 #include "configuration.h"
45 #include "server-queue.h"
51 static const char *current_unix
;
52 static int current_unix_fd
;
54 static struct addrinfo
*current_listen_addrinfo
;
55 static int current_listen_fd
;
57 void quit(ev_source
*ev
) {
58 info("shutting down...");
66 static void reset_socket(ev_source
*ev
) {
69 struct sockaddr_un sun
;
72 static const struct addrinfo pref
= {
73 .ai_flags
= AI_PASSIVE
,
75 .ai_socktype
= SOCK_STREAM
,
76 .ai_protocol
= IPPROTO_TCP
,
80 new_unix
= config_get_file("socket");
81 if(!current_unix
|| strcmp(current_unix
, new_unix
)) {
82 /* either there was no socket, or there was but a different path */
84 /* stop the old one and remove it from the filesystem */
85 server_stop(ev
, current_unix_fd
);
86 if(unlink(current_unix
) < 0)
87 fatal(errno
, "unlink %s", current_unix
);
89 /* start the new one */
90 if(strlen(new_unix
) >= sizeof sun
.sun_path
)
91 fatal(0, "socket path %s is too long", new_unix
);
92 memset(&sun
, 0, sizeof sun
);
93 sun
.sun_family
= AF_UNIX
;
94 strcpy(sun
.sun_path
, new_unix
);
95 if(unlink(new_unix
) < 0 && errno
!= ENOENT
)
96 fatal(errno
, "unlink %s", new_unix
);
97 if((current_unix_fd
= server_start(ev
, PF_UNIX
, sizeof sun
,
98 (const struct sockaddr
*)&sun
,
100 current_unix
= new_unix
;
101 if(chmod(new_unix
, 0777) < 0)
102 fatal(errno
, "error calling chmod %s", new_unix
);
107 /* get the new listen config */
109 res
= get_address(&config
->listen
, &pref
, &name
);
113 if((res
&& !current_listen_addrinfo
)
114 || (current_listen_addrinfo
116 || addrinfocmp(res
, current_listen_addrinfo
)))) {
117 /* something has to change */
118 if(current_listen_addrinfo
) {
119 /* delete the old listener */
120 server_stop(ev
, current_listen_fd
);
121 freeaddrinfo(current_listen_addrinfo
);
122 current_listen_addrinfo
= 0;
125 /* start the new listener */
126 if((current_listen_fd
= server_start(ev
, res
->ai_family
, res
->ai_addrlen
,
127 res
->ai_addr
, name
)) >= 0) {
128 current_listen_addrinfo
= res
;
133 /* if res is still set it needs freeing */
138 int reconfigure(ev_source
*ev
, int reload
) {
139 int need_another_rescan
= 0;
142 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 if(need_another_rescan
)
158 trackdb_rescan(ev
, 1/*check*/, 0, 0);
159 /* Arrange timeouts for schedule actions */