examples: use blocking notify

[project/ubus.git] / examples / server.c

diff --git a/examples/server.c b/examples/server.c
index 529059c..c5af1aa 100644 (file)
--- a/examples/server.c
+++ b/examples/server.c
@@ -13,6 +13,7 @@
 
 #include <unistd.h>
 
+#include <libubox/blobmsg_json.h>
 #include "libubus.h"
 
 static struct ubus_context *ctx;
@@ -72,11 +73,13 @@ static int test_hello(struct ubus_context *ctx, struct ubus_object *obj,
 
 enum {
        WATCH_ID,
+       WATCH_COUNTER,
        __WATCH_MAX
 };
 
 static const struct blobmsg_policy watch_policy[__WATCH_MAX] = {
        [WATCH_ID] = { .name = "id", .type = BLOBMSG_TYPE_INT32 },
+       [WATCH_COUNTER] = { .name = "counter", .type = BLOBMSG_TYPE_INT32 },
 };
 
 static void
@@ -86,6 +89,20 @@ test_handle_remove(struct ubus_context *ctx, struct ubus_subscriber *s,
        fprintf(stderr, "Object %08x went away\n", id);
 }
 
+static int
+test_notify(struct ubus_context *ctx, struct ubus_object *obj,
+           struct ubus_request_data *req, const char *method,
+           struct blob_attr *msg)
+{
+       char *str;
+
+       str = blobmsg_format_json(msg, true);
+       fprintf(stderr, "Received notification '%s': %s\n", method, str);
+       free(str);
+
+       return 0;
+}
+
 static int test_watch(struct ubus_context *ctx, struct ubus_object *obj,
                      struct ubus_request_data *req, const char *method,
                      struct blob_attr *msg)
@@ -98,6 +115,7 @@ static int test_watch(struct ubus_context *ctx, struct ubus_object *obj,
                return UBUS_STATUS_INVALID_ARGUMENT;
 
        test_event.remove_cb = test_handle_remove;
+       test_event.cb = test_notify;
        ret = ubus_subscribe(ctx, &test_event, blobmsg_get_u32(tb[WATCH_ID]));
        fprintf(stderr, "Watching object %08x: %s\n", blobmsg_get_u32(tb[WATCH_ID]), ubus_strerror(ret));
        return ret;