listener.c

   1 #include "libubus.h"
   2
   3 static struct ubus_context *ctx;
   4
   5 static const struct ubus_signature test_object_sig[] = {
   6         UBUS_METHOD_START("hello"),
   7           UBUS_ARRAY("test"),
   8                 UBUS_TABLE_START(NULL),
   9                   UBUS_FIELD(INT32, "id"),
  10                   UBUS_FIELD(STRING, "msg"),
  11                 UBUS_TABLE_END(),
  12         UBUS_METHOD_END(),
  13 };
  14
  15 static struct ubus_object_type test_object_type =
  16         UBUS_OBJECT_TYPE("test", test_object_sig);
  17
  18 static int test_hello(struct ubus_object *obj, struct ubus_request_data *req,
  19                           const char *method, struct blob_attr *msg)
  20 {
  21         fprintf(stderr, "Hello, world!\n");
  22         return 0;
  23 }
  24
  25 static const struct ubus_method test_methods[] = {
  26         { .name = "hello", .handler = test_hello },
  27 };
  28
  29 static struct ubus_object test_object = {
  30         .name = "test",
  31         .type = &test_object_type,
  32         .methods = test_methods,
  33         .n_methods = ARRAY_SIZE(test_methods),
  34 };
  35
  36 static struct ubus_object test_object2 = {
  37         .name = "test2",
  38         .type = &test_object_type,
  39         .methods = test_methods,
  40         .n_methods = ARRAY_SIZE(test_methods),
  41 };
  42
  43 int main(int argc, char **argv)
  44 {
  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         fprintf(stderr, "Connected as ID 0x%08x\n", ctx->local_id);
  54
  55         fprintf(stderr, "Publishing object\n");
  56         ret = ubus_publish(ctx, &test_object);
  57         if (ret)
  58                 fprintf(stderr, "Failed to publish object: %s\n", ubus_strerror(ret));
  59         else {
  60                 fprintf(stderr, "Object ID: %08x\n", test_object.id);
  61                 fprintf(stderr, "Object Type ID: %08x\n", test_object.type->id);
  62         }
  63
  64         fprintf(stderr, "Publishing object\n");
  65         ret = ubus_publish(ctx, &test_object2);
  66         if (ret)
  67                 fprintf(stderr, "Failed to publish object: %s\n", ubus_strerror(ret));
  68         else {
  69                 fprintf(stderr, "Object ID: %08x\n", test_object2.id);
  70                 fprintf(stderr, "Object Type ID: %08x\n", test_object2.type->id);
  71         }
  72         uloop_init();
  73         uloop_fd_add(&ctx->sock, ULOOP_READ | ULOOP_EDGE_TRIGGER);
  74         uloop_run();
  75
  76         ubus_free(ctx);
  77         return 0;
  78 }