cli: use stdout for output

[project/ubus.git] / libubus.h

diff --git a/libubus.h b/libubus.h
index 698e356..cb575b0 100644 (file)
--- a/libubus.h
+++ b/libubus.h
@@ -12,6 +12,7 @@ struct ubus_object;
 struct ubus_request;
 struct ubus_request_data;
 struct ubus_object_data;
+struct ubus_event_handler;
 
 typedef void (*ubus_lookup_handler_t)(struct ubus_context *ctx,
                                      struct ubus_object_data *obj,
@@ -19,6 +20,8 @@ typedef void (*ubus_lookup_handler_t)(struct ubus_context *ctx,
 typedef int (*ubus_handler_t)(struct ubus_context *ctx, struct ubus_object *obj,
                              struct ubus_request_data *req,
                              const char *method, struct blob_attr *msg);
+typedef void (*ubus_event_handler_t)(struct ubus_context *ctx, struct ubus_event_handler *ev,
+                                    const char *type, struct blob_attr *msg);
 typedef void (*ubus_data_handler_t)(struct ubus_request *req,
                                    int type, struct blob_attr *msg);
 typedef void (*ubus_complete_handler_t)(struct ubus_request *req, int ret);
@@ -75,6 +78,12 @@ struct ubus_object {
        int n_methods;
 };
 
+struct ubus_event_handler {
+       struct ubus_object obj;
+
+       ubus_event_handler_t cb;
+};
+
 struct ubus_context {
        struct list_head requests;
        struct avl_tree objects;
@@ -88,7 +97,7 @@ struct ubus_context {
 
        struct {
                struct ubus_msghdr hdr;
-               char data[UBUS_MAX_MSGLEN - sizeof(struct ubus_msghdr)];
+               char data[UBUS_MAX_MSGLEN];
        } msgbuf;
 };
 
@@ -125,13 +134,17 @@ struct ubus_request {
        void *priv;
 };
 
-#define BLOBMSG_END_TABLE      BLOBMSG_TYPE_UNSPEC
 
 struct ubus_context *ubus_connect(const char *path);
 void ubus_free(struct ubus_context *ctx);
 
 const char *ubus_strerror(int error);
 
+static inline void ubus_add_uloop(struct ubus_context *ctx)
+{
+       uloop_fd_add(&ctx->sock, ULOOP_EDGE_TRIGGER | ULOOP_BLOCKING | ULOOP_READ);
+}
+
 /* ----------- raw request handling ----------- */
 
 /* wait for a request to complete and return its status */
@@ -162,8 +175,25 @@ void ubus_invoke_async(struct ubus_context *ctx, uint32_t obj, const char *metho
                        struct blob_attr *msg, struct ubus_request *req);
 
 /* make an object visible to remote connections */
-int ubus_publish(struct ubus_context *ctx, struct ubus_object *obj);
+int ubus_add_object(struct ubus_context *ctx, struct ubus_object *obj);
+
+/* remove the object from the ubus connection */
+int ubus_remove_object(struct ubus_context *ctx, struct ubus_object *obj);
 
 /* send a reply to an incoming object method call */
 int ubus_send_reply(struct ubus_context *ctx, struct ubus_request_data *req,
                    struct blob_attr *msg);
+
+/* ----------- events ----------- */
+int ubus_send_event(struct ubus_context *ctx, const char *id,
+                   struct blob_attr *data);
+
+int ubus_register_event_handler(struct ubus_context *ctx,
+                               struct ubus_event_handler *ev,
+                               const char *pattern);
+
+static inline int ubus_unregister_event_handler(struct ubus_context *ctx,
+                                               struct ubus_event_handler *ev)
+{
+    return ubus_remove_object(ctx, &ev->obj);
+}