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);
80 ubus_init_system(ctx);
85 static void procd_ubus_connection_lost(struct ubus_context *old_ctx)
90 procd_ubus_try_connect();
91 while (!ubus_connected) {
94 procd_ubus_try_connect();
97 DEBUG(1, "Connected to ubus, id=%08x\n", ctx->local_id);
101 void procd_connect_ubus(void)
103 ubus_proc.cb = ubus_proc_cb;
104 procd_ubus_connection_lost(NULL);
107 void procd_reconnect_ubus(int _reconnect)
109 reconnect = _reconnect;