From 0fccce4445b1961451ce3d99a99c1c0defbd4490 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 14 Dec 2012 13:11:40 +0100
Subject: [PATCH] remove the "method" argument for object subscription

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---
 libubus-sub.c | 8 +++-----
 ubusd_obj.c   | 5 ++---
 ubusd_obj.h   | 3 +--
 ubusd_proto.c | 6 ++----
 4 files changed, 8 insertions(+), 14 deletions(-)

diff --git a/libubus-sub.c b/libubus-sub.c
index 87c8128..ccb4d95 100644
--- a/libubus-sub.c
+++ b/libubus-sub.c
@@ -41,15 +41,13 @@ int ubus_register_subscriber(struct ubus_context *ctx, struct ubus_subscriber *s
 }
 
 static int
-__ubus_subscribe_request(struct ubus_context *ctx, struct ubus_object *obj, uint32_t id, const char *method, int type)
+__ubus_subscribe_request(struct ubus_context *ctx, struct ubus_object *obj, uint32_t id, int type)
 {
 	struct ubus_request req;
 
 	blob_buf_init(&b, 0);
 	blob_put_int32(&b, UBUS_ATTR_OBJID, obj->id);
 	blob_put_int32(&b, UBUS_ATTR_TARGET, id);
-	if (method)
-		blob_put_string(&b, UBUS_ATTR_METHOD, method);
 
 	if (ubus_start_request(ctx, &req, b.head, type, 0) < 0)
 		return UBUS_STATUS_INVALID_ARGUMENT;
@@ -60,12 +58,12 @@ __ubus_subscribe_request(struct ubus_context *ctx, struct ubus_object *obj, uint
 
 int ubus_subscribe(struct ubus_context *ctx, struct ubus_subscriber *obj, uint32_t id)
 {
-	return __ubus_subscribe_request(ctx, &obj->obj, id, "event", UBUS_MSG_SUBSCRIBE);
+	return __ubus_subscribe_request(ctx, &obj->obj, id, UBUS_MSG_SUBSCRIBE);
 }
 
 int ubus_unsubscribe(struct ubus_context *ctx, struct ubus_subscriber *obj, uint32_t id)
 {
-	return __ubus_subscribe_request(ctx, &obj->obj, id, NULL, UBUS_MSG_UNSUBSCRIBE);
+	return __ubus_subscribe_request(ctx, &obj->obj, id, UBUS_MSG_UNSUBSCRIBE);
 }
 
 void __hidden ubus_process_unsubscribe(struct ubus_context *ctx, struct ubus_msghdr *hdr)
diff --git a/ubusd_obj.c b/ubusd_obj.c
index 69ca8b8..3859c45 100644
--- a/ubusd_obj.c
+++ b/ubusd_obj.c
@@ -164,12 +164,12 @@ free:
 	return NULL;
 }
 
-void ubus_subscribe(struct ubus_object *obj, struct ubus_object *target, const char *method)
+void ubus_subscribe(struct ubus_object *obj, struct ubus_object *target)
 {
 	struct ubus_subscription *s;
 	bool first = list_empty(&target->subscribers);
 
-	s = calloc(1, sizeof(*s) + strlen(method) + 1);
+	s = calloc(1, sizeof(*s));
 	if (!s)
 		return;
 
@@ -177,7 +177,6 @@ void ubus_subscribe(struct ubus_object *obj, struct ubus_object *target, const c
 	s->target = target;
 	list_add(&s->list, &target->subscribers);
 	list_add(&s->target_list, &obj->target_list);
-	strcpy(s->method, method);
 
 	if (first)
 		ubus_notify_subscription(target);
diff --git a/ubusd_obj.h b/ubusd_obj.h
index 8e80078..a21f47c 100644
--- a/ubusd_obj.h
+++ b/ubusd_obj.h
@@ -38,7 +38,6 @@ struct ubus_method {
 struct ubus_subscription {
 	struct list_head list, target_list;
 	struct ubus_object *subscriber, *target;
-	char method[];
 };
 
 struct ubus_object {
@@ -76,7 +75,7 @@ static inline struct ubus_object *ubusd_find_object(uint32_t objid)
 	return obj;
 }
 
-void ubus_subscribe(struct ubus_object *obj, struct ubus_object *target, const char *method);
+void ubus_subscribe(struct ubus_object *obj, struct ubus_object *target);
 void ubus_unsubscribe(struct ubus_subscription *s);
 void ubus_notify_unsubscribe(struct ubus_subscription *s);
 void ubus_notify_subscription(struct ubus_object *obj);
diff --git a/ubusd_proto.c b/ubusd_proto.c
index 283cb77..2e4c2af 100644
--- a/ubusd_proto.c
+++ b/ubusd_proto.c
@@ -289,10 +289,8 @@ static int ubusd_handle_add_watch(struct ubus_client *cl, struct ubus_msg_buf *u
 {
 	struct ubus_object *obj, *target;
 
-	if (!attr[UBUS_ATTR_OBJID] || !attr[UBUS_ATTR_TARGET] ||
-	    !attr[UBUS_ATTR_METHOD]) {
+	if (!attr[UBUS_ATTR_OBJID] || !attr[UBUS_ATTR_TARGET])
 		return UBUS_STATUS_INVALID_ARGUMENT;
-	}
 
 	obj = ubusd_find_object(blob_get_u32(attr[UBUS_ATTR_OBJID]));
 	if (!obj)
@@ -308,7 +306,7 @@ static int ubusd_handle_add_watch(struct ubus_client *cl, struct ubus_msg_buf *u
 	if (cl == target->client)
 		return UBUS_STATUS_INVALID_ARGUMENT;
 
-	ubus_subscribe(obj, target, blob_data(attr[UBUS_ATTR_METHOD]));
+	ubus_subscribe(obj, target);
 	return 0;
 }
 
-- 
2.30.2