examples/client.c

   1 /*
   2  * Copyright (C) 2011 Felix Fietkau <nbd@openwrt.org>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU Lesser General Public License version 2.1
   6  * as published by the Free Software Foundation
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #include <unistd.h>
  15
  16 #include "libubus.h"
  17
  18 static struct ubus_context *ctx;
  19 static struct blob_buf b;
  20
  21 static struct ubus_object test_client_object = {};
  22
  23 static void client_main(void)
  24 {
  25         uint32_t id;
  26         int ret;
  27
  28         ret = ubus_add_object(ctx, &test_client_object);
  29         if (ret) {
  30                 fprintf(stderr, "Failed to add_object object: %s\n", ubus_strerror(ret));
  31                 return;
  32         }
  33
  34         if (ubus_lookup_id(ctx, "test", &id)) {
  35                 fprintf(stderr, "Failed to look up test object\n");
  36                 return;
  37         }
  38
  39         blob_buf_init(&b, 0);
  40         blobmsg_add_u32(&b, "id", test_client_object.id);
  41         ubus_invoke(ctx, id, "watch", b.head, NULL, 0, 3000);
  42         uloop_run();
  43 }
  44
  45 int main(int argc, char **argv)
  46 {
  47         const char *ubus_socket = NULL;
  48         int ch;
  49
  50         while ((ch = getopt(argc, argv, "cs:")) != -1) {
  51                 switch (ch) {
  52                 case 's':
  53                         ubus_socket = optarg;
  54                         break;
  55                 default:
  56                         break;
  57                 }
  58         }
  59
  60         argc -= optind;
  61         argv += optind;
  62
  63         uloop_init();
  64
  65         ctx = ubus_connect(ubus_socket);
  66         if (!ctx) {
  67                 fprintf(stderr, "Failed to connect to ubus\n");
  68                 return -1;
  69         }
  70
  71         ubus_add_uloop(ctx);
  72
  73         client_main();
  74
  75         ubus_free(ctx);
  76         uloop_done();
  77
  78         return 0;
  79 }