cli.c

   1 #include "libubus.h"
   2
   3 static void receive_lookup(struct ubus_context *ctx, struct ubus_object_data *obj, void *priv)
   4 {
   5         struct blob_attr *cur;
   6         char *s;
   7         int rem;
   8
   9         fprintf(stderr, "'%s' @%08x\n", obj->path, obj->id);
  10
  11         if (!obj->signature)
  12                 return;
  13
  14         blob_for_each_attr(cur, obj->signature, rem) {
  15                 s = blobmsg_format_json(cur, false);
  16                 fprintf(stderr, "\t%s\n", s);
  17                 free(s);
  18         }
  19 }
  20
  21 static void receive_data(struct ubus_request *req, int type, struct blob_attr *msg)
  22 {
  23         if (!msg)
  24                 return;
  25
  26         fprintf(stderr, "%s\n", blobmsg_format_json(msg, true));
  27 }
  28
  29
  30 static int usage(char *prog)
  31 {
  32         fprintf(stderr,
  33                 "Usage: %s <command> [arguments...]\n"
  34                 "Commands:\n"
  35                 " - list [<path>]                       List objects\n"
  36                 " - call <path> <method> [<message>]    Call an object method\n"
  37                 "\n", prog);
  38         return 1;
  39 }
  40
  41 int main(int argc, char **argv)
  42 {
  43         static struct ubus_context *ctx;
  44         char *cmd;
  45         int ret;
  46
  47         ctx = ubus_connect(NULL);
  48         if (!ctx) {
  49                 fprintf(stderr, "Failed to connect to ubus\n");
  50                 return -1;
  51         }
  52
  53         cmd = argv[1];
  54         if (argc < 2)
  55                 return usage(argv[0]);
  56
  57         if (!strcmp(cmd, "list")) {
  58                 const char *path = NULL;
  59
  60                 if (argc == 3)
  61                         path = argv[2];
  62
  63                 ret = ubus_lookup(ctx, path, receive_lookup, NULL);
  64         } else if (!strcmp(cmd, "call")) {
  65                 uint32_t id;
  66
  67                 if (argc < 4 || argc > 5)
  68                         return usage(argv[0]);
  69
  70                 ret = ubus_lookup_id(ctx, argv[2], &id);
  71                 if (!ret)
  72                         ret = ubus_invoke(ctx, id, argv[3], NULL, receive_data, NULL);
  73         } else {
  74                 return usage(argv[0]);
  75         }
  76
  77         if (ret)
  78                 fprintf(stderr, "Failed: %s\n", ubus_strerror(ret));
  79
  80         ubus_free(ctx);
  81         return 0;
  82 }