add code for sending events and fix the code for receiving events

[project/ubus.git] / ubusd_proto.c

diff --git a/ubusd_proto.c b/ubusd_proto.c
index 1b3216f..7d6e01a 100644 (file)
--- a/ubusd_proto.c
+++ b/ubusd_proto.c
@@ -1,7 +1,7 @@
 #include <arpa/inet.h>
 #include "ubusd.h"
 
-static struct blob_buf b;
+struct blob_buf b;
 static struct ubus_msg_buf *retmsg;
 static int *retmsg_data;
 
@@ -58,18 +58,49 @@ bool ubusd_send_hello(struct ubus_client *cl)
                return false;
 
        ubus_msg_init(ub, UBUS_MSG_HELLO, 0, cl->id.id);
-       ubus_msg_send(cl, ub);
+       ubus_msg_send(cl, ub, true);
        return true;
 }
 
 static int ubusd_send_pong(struct ubus_client *cl, struct ubus_msg_buf *ub, struct blob_attr **attr)
 {
        ub->hdr.type = UBUS_MSG_DATA;
-       ubus_msg_send(cl, ubus_msg_ref(ub));
+       ubus_msg_send(cl, ub, false);
        return 0;
 }
 
-static int ubusd_handle_publish(struct ubus_client *cl, struct ubus_msg_buf *ub, struct blob_attr **attr)
+static int ubusd_handle_remove_object(struct ubus_client *cl, struct ubus_msg_buf *ub, struct blob_attr **attr)
+{
+       struct ubus_object *obj;
+
+       if (!attr[UBUS_ATTR_OBJID])
+               return UBUS_STATUS_INVALID_ARGUMENT;
+
+       obj = ubusd_find_object(blob_get_u32(attr[UBUS_ATTR_OBJID]));
+       if (!obj)
+               return UBUS_STATUS_NOT_FOUND;
+
+       if (obj->client != cl)
+               return UBUS_STATUS_PERMISSION_DENIED;
+
+       blob_buf_init(&b, 0);
+       blob_put_int32(&b, UBUS_ATTR_OBJID, obj->id.id);
+
+       /* check if we're removing the object type as well */
+       if (obj->type && obj->type->refcount == 1)
+               blob_put_int32(&b, UBUS_ATTR_OBJTYPE, obj->type->id.id);
+
+       ubusd_free_object(obj);
+
+       ub = ubus_reply_from_blob(ub, true);
+       if (!ub)
+               return UBUS_STATUS_NO_DATA;
+
+       ubus_msg_send(cl, ub, true);
+       return 0;
+}
+
+static int ubusd_handle_add_object(struct ubus_client *cl, struct ubus_msg_buf *ub, struct blob_attr **attr)
 {
        struct ubus_object *obj;
 
@@ -86,7 +117,7 @@ static int ubusd_handle_publish(struct ubus_client *cl, struct ubus_msg_buf *ub,
        if (!ub)
                return UBUS_STATUS_NO_DATA;
 
-       ubus_msg_send(cl, ub);
+       ubus_msg_send(cl, ub, true);
        return 0;
 }
 
@@ -111,7 +142,7 @@ static void ubusd_send_obj(struct ubus_client *cl, struct ubus_msg_buf *ub, stru
        if (!ub)
                return;
 
-       ubus_msg_send(cl, ub);
+       ubus_msg_send(cl, ub, true);
 }
 
 static int ubusd_handle_lookup(struct ubus_client *cl, struct ubus_msg_buf *ub, struct blob_attr **attr)
@@ -169,13 +200,17 @@ static int ubusd_handle_invoke(struct ubus_client *cl, struct ubus_msg_buf *ub,
        if (!attr[UBUS_ATTR_METHOD] || !attr[UBUS_ATTR_OBJID])
                return UBUS_STATUS_INVALID_ARGUMENT;
 
-       id = ubus_find_id(&objects, blob_get_int32(attr[UBUS_ATTR_OBJID]));
+       id = ubus_find_id(&objects, blob_get_u32(attr[UBUS_ATTR_OBJID]));
        if (!id)
                return UBUS_STATUS_NOT_FOUND;
 
        obj = container_of(id, struct ubus_object, id);
 
        method = blob_data(attr[UBUS_ATTR_METHOD]);
+
+       if (!obj->client)
+               return obj->recv_msg(cl, method, attr[UBUS_ATTR_DATA]);
+
        blob_buf_init(&b, 0);
        blob_put_int32(&b, UBUS_ATTR_OBJID, obj->id.id);
        blob_put_string(&b, UBUS_ATTR_METHOD, method);
@@ -191,7 +226,7 @@ static int ubusd_handle_invoke(struct ubus_client *cl, struct ubus_msg_buf *ub,
 
        ub->hdr.type = UBUS_MSG_INVOKE;
        ub->hdr.peer = cl->id.id;
-       ubus_msg_send(obj->client, ub);
+       ubus_msg_send(obj->client, ub, true);
 
        return -1;
 }
@@ -199,18 +234,16 @@ static int ubusd_handle_invoke(struct ubus_client *cl, struct ubus_msg_buf *ub,
 static int ubusd_handle_response(struct ubus_client *cl, struct ubus_msg_buf *ub, struct blob_attr **attr)
 {
        struct ubus_object *obj;
-       struct ubus_id *id;
 
        if (!attr[UBUS_ATTR_OBJID] ||
            (ub->hdr.type == UBUS_MSG_STATUS && !attr[UBUS_ATTR_STATUS]) ||
            (ub->hdr.type == UBUS_MSG_DATA && !attr[UBUS_ATTR_DATA]))
                goto error;
 
-       id = ubus_find_id(&objects, blob_get_int32(attr[UBUS_ATTR_OBJID]));
-       if (!id)
+       obj = ubusd_find_object(blob_get_u32(attr[UBUS_ATTR_OBJID]));
+       if (!obj)
                goto error;
 
-       obj = container_of(id, struct ubus_object, id);
        if (cl != obj->client)
                goto error;
 
@@ -218,8 +251,8 @@ static int ubusd_handle_response(struct ubus_client *cl, struct ubus_msg_buf *ub
        if (!cl)
                goto error;
 
-       ub->hdr.peer = blob_get_int32(attr[UBUS_ATTR_OBJID]);
-       ubus_msg_send(cl, ub);
+       ub->hdr.peer = blob_get_u32(attr[UBUS_ATTR_OBJID]);
+       ubus_msg_send(cl, ub, true);
        return -1;
 
 error:
@@ -229,7 +262,8 @@ error:
 
 static const ubus_cmd_cb handlers[__UBUS_MSG_LAST] = {
        [UBUS_MSG_PING] = ubusd_send_pong,
-       [UBUS_MSG_PUBLISH] = ubusd_handle_publish,
+       [UBUS_MSG_ADD_OBJECT] = ubusd_handle_add_object,
+       [UBUS_MSG_REMOVE_OBJECT] = ubusd_handle_remove_object,
        [UBUS_MSG_LOOKUP] = ubusd_handle_lookup,
        [UBUS_MSG_INVOKE] = ubusd_handle_invoke,
        [UBUS_MSG_STATUS] = ubusd_handle_response,
@@ -258,7 +292,7 @@ void ubusd_receive_message(struct ubus_client *cl, struct ubus_msg_buf *ub)
        ubus_msg_free(ub);
 
        *retmsg_data = htonl(ret);
-       ubus_msg_send(cl, ubus_msg_ref(retmsg));
+       ubus_msg_send(cl, retmsg, false);
 }
 
 static void __init ubusd_proto_init(void)