2 * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
3 * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License version 2.1
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
15 #include <sys/resource.h>
22 char *ubus_socket
= NULL
;
23 static struct ubus_context
*ctx
;
24 static struct uloop_process ubus_proc
;
25 static bool ubus_connected
= false;
26 static int reconnect
= 1;
28 static void procd_ubus_connection_lost(struct ubus_context
*old_ctx
);
30 static void ubus_proc_cb(struct uloop_process
*proc
, int ret
)
32 /* nothing to do here */
35 static void procd_restart_ubus(void)
37 char *argv
[] = { "ubusd", NULL
, ubus_socket
, NULL
};
39 if (ubus_proc
.pending
) {
40 ERROR("Killing existing ubus instance, pid=%d\n", (int) ubus_proc
.pid
);
41 kill(ubus_proc
.pid
, SIGKILL
);
42 uloop_process_delete(&ubus_proc
);
48 ubus_proc
.pid
= fork();
50 setpriority(PRIO_PROCESS
, 0, -20);
51 execvp(argv
[0], argv
);
55 if (ubus_proc
.pid
<= 0) {
56 ERROR("Failed to start new ubus instance\n");
60 DEBUG(1, "Launched new ubus instance, pid=%d\n", (int) ubus_proc
.pid
);
61 uloop_process_add(&ubus_proc
);
64 static void procd_ubus_try_connect(void)
67 ubus_connected
= !ubus_reconnect(ctx
, ubus_socket
);
71 ctx
= ubus_connect(ubus_socket
);
73 DEBUG(2, "Connection to ubus failed\n");
77 ctx
->connection_lost
= procd_ubus_connection_lost
;
78 ubus_connected
= true;
79 ubus_init_service(ctx
);
82 ubus_init_system(ctx
);
86 static void procd_ubus_connection_lost(struct ubus_context
*old_ctx
)
91 procd_ubus_try_connect();
92 while (!ubus_connected
) {
95 procd_ubus_try_connect();
98 DEBUG(1, "Connected to ubus, id=%08x\n", ctx
->local_id
);
102 void procd_connect_ubus(void)
104 ubus_proc
.cb
= ubus_proc_cb
;
105 procd_ubus_connection_lost(NULL
);
108 void procd_reconnect_ubus(int _reconnect
)
110 reconnect
= _reconnect
;