rename listener to ubus-example

[project/ubus.git] / ubus-example.c

diff --git a/ubus-example.c b/ubus-example.c
new file mode 100644 (file)
index 0000000..d2e2288
--- /dev/null
+++ b/ubus-example.c
@@ -0,0 +1,104 @@
+#include "libubus.h"
+
+static struct ubus_context *ctx;
+struct blob_buf b;
+
+static const struct ubus_signature test_object_sig[] = {
+       UBUS_METHOD_START("hello"),
+         UBUS_ARRAY("test"),
+               UBUS_TABLE_START(NULL),
+                 UBUS_FIELD(INT32, "id"),
+                 UBUS_FIELD(STRING, "msg"),
+               UBUS_TABLE_END(),
+       UBUS_METHOD_END(),
+};
+
+static struct ubus_object_type test_object_type =
+       UBUS_OBJECT_TYPE("test", test_object_sig);
+
+enum {
+       HELLO_ID,
+       HELLO_MSG,
+       HELLO_LAST
+};
+
+static const struct blobmsg_policy hello_policy[] = {
+       [HELLO_ID] = { .name = "id", .type = BLOBMSG_TYPE_INT32 },
+       [HELLO_MSG] = { .name = "msg", .type = BLOBMSG_TYPE_STRING },
+};
+
+static int test_hello(struct ubus_context *ctx, struct ubus_object *obj,
+                     struct ubus_request_data *req, const char *method,
+                     struct blob_attr *msg)
+{
+       struct blob_attr *tb[HELLO_LAST];
+       char *msgstr = "(unknown)";
+       char *strbuf;
+
+       blobmsg_parse(hello_policy, ARRAY_SIZE(hello_policy), tb, blob_data(msg), blob_len(msg));
+
+       if (tb[HELLO_MSG])
+               msgstr = blobmsg_data(tb[HELLO_MSG]);
+
+       blob_buf_init(&b, 0);
+       strbuf = blobmsg_alloc_string_buffer(&b, "message", 64 + strlen(obj->name) + strlen(msgstr));
+       sprintf(strbuf, "%s: Hello, world: %s", obj->name, msgstr);
+       blobmsg_add_string_buffer(&b);
+       ubus_send_reply(ctx, req, b.head);
+       return 0;
+}
+
+static const struct ubus_method test_methods[] = {
+       { .name = "hello", .handler = test_hello },
+};
+
+static struct ubus_object test_object = {
+       .name = "test",
+       .type = &test_object_type,
+       .methods = test_methods,
+       .n_methods = ARRAY_SIZE(test_methods),
+};
+
+static struct ubus_object test_object2 = {
+       .name = "test2",
+       .type = &test_object_type,
+       .methods = test_methods,
+       .n_methods = ARRAY_SIZE(test_methods),
+};
+
+int main(int argc, char **argv)
+{
+       int ret;
+
+       ctx = ubus_connect(NULL);
+       if (!ctx) {
+               fprintf(stderr, "Failed to connect to ubus\n");
+               return -1;
+       }
+
+       fprintf(stderr, "Connected as ID 0x%08x\n", ctx->local_id);
+
+       fprintf(stderr, "Publishing object\n");
+       ret = ubus_publish(ctx, &test_object);
+       if (ret)
+               fprintf(stderr, "Failed to publish object: %s\n", ubus_strerror(ret));
+       else {
+               fprintf(stderr, "Object ID: %08x\n", test_object.id);
+               fprintf(stderr, "Object Type ID: %08x\n", test_object.type->id);
+       }
+
+       fprintf(stderr, "Publishing object\n");
+       ret = ubus_publish(ctx, &test_object2);
+       if (ret)
+               fprintf(stderr, "Failed to publish object: %s\n", ubus_strerror(ret));
+       else {
+               fprintf(stderr, "Object ID: %08x\n", test_object2.id);
+               fprintf(stderr, "Object Type ID: %08x\n", test_object2.type->id);
+       }
+       uloop_init();
+       ubus_add_uloop(ctx);
+       uloop_run();
+
+       ubus_free(ctx);
+       return 0;
+}