X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fubus.git;a=blobdiff_plain;f=libubus.c;h=1342ba19463810d09220c29017ca452db60c3e82;hp=e770ce398eea12e80cc4108789d49f984e17f8cb;hb=1555e4610fe2f82419821a34d471dda874a8c885;hpb=44096a0a342c773bf661f64d37d7c08fc96a68f8

diff --git a/libubus.c b/libubus.c
index e770ce3..1342ba1 100644
--- a/libubus.c
+++ b/libubus.c
@@ -24,6 +24,7 @@ const char *__ubus_strerror[__UBUS_STATUS_LAST] = {
 	[UBUS_STATUS_OK] = "Success",
 	[UBUS_STATUS_INVALID_COMMAND] = "Invalid command",
 	[UBUS_STATUS_INVALID_ARGUMENT] = "Invalid argument",
+	[UBUS_STATUS_METHOD_NOT_FOUND] = "Method not found",
 	[UBUS_STATUS_NOT_FOUND] = "Not found",
 	[UBUS_STATUS_NO_DATA] = "No response",
 };
@@ -34,6 +35,7 @@ static const struct blob_attr_info ubus_policy[UBUS_ATTR_MAX] = {
 	[UBUS_ATTR_STATUS] = { .type = BLOB_ATTR_INT32 },
 	[UBUS_ATTR_OBJID] = { .type = BLOB_ATTR_INT32 },
 	[UBUS_ATTR_OBJPATH] = { .type = BLOB_ATTR_STRING },
+	[UBUS_ATTR_METHOD] = { .type = BLOB_ATTR_STRING },
 };
 static struct blob_attr *attrbuf[UBUS_ATTR_MAX];
 
@@ -181,6 +183,20 @@ static bool ubus_get_status(struct ubus_msghdr *hdr, int *ret)
 	return true;
 }
 
+static void req_data_cb(struct ubus_request *req, int type, struct blob_attr *data)
+{
+	struct blob_attr **attr;
+
+	if (req->raw_data_cb)
+		req->raw_data_cb(req, type, data);
+
+	if (!req->data_cb)
+		return;
+
+	attr = ubus_parse_msg(data);
+	req->data_cb(req, type, attr[UBUS_ATTR_DATA]);
+}
+
 static void ubus_process_req_data(struct ubus_request *req)
 {
 	struct ubus_pending_data *data;
@@ -190,7 +206,7 @@ static void ubus_process_req_data(struct ubus_request *req)
 			struct ubus_pending_data, list);
 		list_del(&data->list);
 		if (!req->cancelled)
-			req->data_cb(req, data->type, data->data);
+			req_data_cb(req, data->type, data->data);
 		free(data);
 	}
 }
@@ -230,7 +246,7 @@ static void ubus_req_data(struct ubus_request *req, struct ubus_msghdr *hdr)
 
 	if (!req->blocked) {
 		req->blocked = true;
-		req->data_cb(req, hdr->type, hdr->data);
+		req_data_cb(req, hdr->type, hdr->data);
 		ubus_process_req_data(req);
 		req->blocked = false;
 
@@ -265,14 +281,48 @@ static struct ubus_request *ubus_find_request(struct ubus_context *ctx, uint32_t
 
 static void ubus_process_invoke(struct ubus_context *ctx, struct ubus_msghdr *hdr)
 {
+	struct ubus_request_data req;
+	struct ubus_object *obj;
 	uint32_t objid = 0;
+	int method;
 	int ret = 0;
 
 	ubus_parse_msg(hdr->data);
 
-	if (attrbuf[UBUS_ATTR_OBJID])
-		objid = blob_get_int32(attrbuf[UBUS_ATTR_OBJID]);
+	if (!attrbuf[UBUS_ATTR_OBJID])
+		return;
+
+	objid = blob_get_int32(attrbuf[UBUS_ATTR_OBJID]);
+
+	if (!attrbuf[UBUS_ATTR_METHOD]) {
+		ret = UBUS_STATUS_INVALID_ARGUMENT;
+		goto send;
+	}
+
+	obj = avl_find_element(&ctx->objects, &objid, obj, avl);
+	if (!obj) {
+		ret = UBUS_STATUS_NOT_FOUND;
+		goto send;
+	}
+
+	for (method = 0; method < obj->n_methods; method++)
+		if (!strcmp(obj->methods[method].name,
+		            blob_data(attrbuf[UBUS_ATTR_METHOD])))
+			goto found;
+
+	/* not found */
+	ret = UBUS_STATUS_METHOD_NOT_FOUND;
+	goto send;
 
+found:
+	req.object = objid;
+	req.peer = hdr->peer;
+	req.seq = hdr->seq;
+	ret = obj->methods[method].handler(ctx, obj, &req,
+					   obj->methods[method].name,
+					   attrbuf[UBUS_ATTR_DATA]);
+
+send:
 	blob_buf_init(&b, 0);
 	blob_put_int32(&b, UBUS_ATTR_STATUS, ret);
 	blob_put_int32(&b, UBUS_ATTR_OBJID, objid);
@@ -294,7 +344,7 @@ static void ubus_process_msg(struct ubus_context *ctx, struct ubus_msghdr *hdr)
 
 	case UBUS_MSG_DATA:
 		req = ubus_find_request(ctx, hdr->seq, hdr->peer);
-		if (req && req->data_cb)
+		if (req && (req->data_cb || req->raw_data_cb))
 			ubus_req_data(req, hdr);
 		break;
 
@@ -332,6 +382,9 @@ static void ubus_handle_data(struct uloop_fd *u, unsigned int events)
 
 	while (get_next_msg(ctx, false))
 		ubus_process_msg(ctx, hdr);
+
+	if (u->eof)
+		ctx->connection_lost(ctx);
 }
 
 int ubus_complete_request(struct ubus_context *ctx, struct ubus_request *req)
@@ -358,7 +411,7 @@ int ubus_complete_request(struct ubus_context *ctx, struct ubus_request *req)
 		case UBUS_MSG_STATUS:
 			return ubus_process_req_status(req, hdr);
 		case UBUS_MSG_DATA:
-			if (req->data_cb)
+			if (req->data_cb || req->raw_data_cb)
 				ubus_req_data(req, hdr);
 			continue;
 		default:
@@ -370,6 +423,21 @@ skip:
 	}
 }
 
+int ubus_send_reply(struct ubus_context *ctx, struct ubus_request_data *req,
+		    struct blob_attr *msg)
+{
+	int ret;
+
+	blob_buf_init(&b, 0);
+	blob_put_int32(&b, UBUS_ATTR_OBJID, req->object);
+	blob_put(&b, UBUS_ATTR_DATA, blob_data(msg), blob_len(msg));
+	ret = ubus_send_msg(ctx, req->seq, b.head, UBUS_MSG_DATA, req->peer);
+	if (ret < 0)
+		return UBUS_STATUS_NO_DATA;
+
+	return 0;
+}
+
 void ubus_invoke_async(struct ubus_context *ctx, uint32_t obj, const char *method,
                        struct blob_attr *msg, struct ubus_request *req)
 {
@@ -485,7 +553,7 @@ int ubus_publish(struct ubus_context *ctx, struct ubus_object *obj)
 		return UBUS_STATUS_INVALID_ARGUMENT;
 
 	ubus_start_request(ctx, &req, b.head, UBUS_MSG_PUBLISH, 0);
-	req.data_cb = ubus_publish_cb;
+	req.raw_data_cb = ubus_publish_cb;
 	req.priv = obj;
 	ret = ubus_complete_request(ctx, &req);
 	if (ret)
@@ -497,6 +565,12 @@ int ubus_publish(struct ubus_context *ctx, struct ubus_object *obj)
 	return 0;
 }
 
+void ubus_default_connection_lost(struct ubus_context *ctx)
+{
+	if (ctx->sock.registered)
+		uloop_end();
+}
+
 struct ubus_context *ubus_connect(const char *path)
 {
 	struct ubus_context *ctx;
@@ -548,6 +622,8 @@ struct ubus_context *ubus_connect(const char *path)
 	ctx->local_id = hdr.hdr.peer;
 	free(buf);
 
+	ctx->connection_lost = ubus_default_connection_lost;
+
 	INIT_LIST_HEAD(&ctx->requests);
 	avl_init(&ctx->objects, ubus_cmp_id, false, NULL);