ubus.c

   1 /*
   2  * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
   3  * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
   4  *
   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
   8  *
   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.
  13  */
  14
  15 #include <sys/resource.h>
  16 #include <stdlib.h>
  17 #include <unistd.h>
  18 #include <signal.h>
  19
  20 #include "procd.h"
  21
  22 char *ubus_socket = NULL;
  23 static struct ubus_context *ctx;
  24 static struct uloop_timeout ubus_timer;
  25
  26 static void
  27 ubus_reconnect_cb(struct uloop_timeout *timeout)
  28 {
  29         if (!ubus_reconnect(ctx, ubus_socket))
  30                 ubus_add_uloop(ctx);
  31         else
  32                 uloop_timeout_set(timeout, 2000);
  33 }
  34
  35 static void
  36 ubus_disconnect_cb(struct ubus_context *ctx)
  37 {
  38         ubus_timer.cb = ubus_reconnect_cb;
  39         uloop_timeout_set(&ubus_timer, 2000);
  40 }
  41
  42 static void
  43 ubus_connect_cb(struct uloop_timeout *timeout)
  44 {
  45         ctx = ubus_connect(ubus_socket);
  46
  47         if (!ctx) {
  48                 DEBUG(4, "Connection to ubus failed\n");
  49                 uloop_timeout_set(&ubus_timer, 1000);
  50                 return;
  51         }
  52
  53         ctx->connection_lost = ubus_disconnect_cb;
  54         ubus_init_service(ctx);
  55         ubus_init_system(ctx);
  56         watch_ubus(ctx);
  57
  58         DEBUG(2, "Connected to ubus, id=%08x\n", ctx->local_id);
  59         ubus_add_uloop(ctx);
  60         procd_state_ubus_connect();
  61 }
  62
  63 void
  64 procd_connect_ubus(void)
  65 {
  66         ubus_timer.cb = ubus_connect_cb;
  67         uloop_timeout_set(&ubus_timer, 1000);
  68 }