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;
27 static void procd_ubus_connection_lost(struct ubus_context
*old_ctx
);
29 static void ubus_proc_cb(struct uloop_process
*proc
, int ret
)
31 /* nothing to do here */
34 static void procd_restart_ubus(void)
36 char *argv
[] = { "ubusd", NULL
, ubus_socket
, NULL
};
38 if (ubus_proc
.pending
) {
39 ERROR("Killing existing ubus instance, pid=%d\n", (int) ubus_proc
.pid
);
40 kill(ubus_proc
.pid
, SIGKILL
);
41 uloop_process_delete(&ubus_proc
);
47 ubus_proc
.pid
= fork();
49 setpriority(PRIO_PROCESS
, 0, -20);
50 execvp(argv
[0], argv
);
54 if (ubus_proc
.pid
<= 0) {
55 ERROR("Failed to start new ubus instance\n");
59 DEBUG(1, "Launched new ubus instance, pid=%d\n", (int) ubus_proc
.pid
);
60 uloop_process_add(&ubus_proc
);
63 static void procd_ubus_try_connect(void)
66 ubus_connected
= !ubus_reconnect(ctx
, ubus_socket
);
70 ctx
= ubus_connect(ubus_socket
);
72 DEBUG(2, "Connection to ubus failed\n");
76 ctx
->connection_lost
= procd_ubus_connection_lost
;
77 ubus_connected
= true;
78 ubus_init_service(ctx
);
81 ubus_init_system(ctx
);
85 static void procd_ubus_connection_lost(struct ubus_context
*old_ctx
)
87 procd_ubus_try_connect();
88 while (!ubus_connected
) {
91 procd_ubus_try_connect();
94 DEBUG(1, "Connected to ubus, id=%08x\n", ctx
->local_id
);
98 void procd_connect_ubus(void)
100 ubus_proc
.cb
= ubus_proc_cb
;
101 procd_ubus_connection_lost(NULL
);