* GNU General Public License for more details.
*/
+#ifndef __LIBUBUS_H
+#define __LIBUBUS_H
+
#include <libubox/avl.h>
#include <libubox/list.h>
#include <libubox/blobmsg.h>
struct ubus_request_data;
struct ubus_object_data;
struct ubus_event_handler;
+struct ubus_watch_object;
typedef void (*ubus_lookup_handler_t)(struct ubus_context *ctx,
struct ubus_object_data *obj,
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_watch_handler_t)(struct ubus_context *ctx, struct ubus_watch_object *w,
+ uint32_t id);
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);
int n_methods;
};
+struct ubus_watch_object {
+ struct ubus_object obj;
+
+ ubus_watch_handler_t cb;
+};
+
struct ubus_event_handler {
struct ubus_object obj;
struct ubus_context {
struct list_head requests;
struct avl_tree objects;
+ struct list_head pending;
struct uloop_fd sock;
uint32_t local_id;
uint32_t request_seq;
+ int stack_depth;
void (*connection_lost)(struct ubus_context *ctx);
uint32_t object;
uint32_t peer;
uint32_t seq;
+ bool deferred;
};
struct ubus_request {
struct ubus_context *ubus_connect(const char *path);
+int ubus_reconnect(struct ubus_context *ctx, 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);
+ uloop_fd_add(&ctx->sock, ULOOP_BLOCKING | ULOOP_READ);
}
/* call this for read events on ctx->sock.fd when not using uloop */
/* remove the object from the ubus connection */
int ubus_remove_object(struct ubus_context *ctx, struct ubus_object *obj);
+/* add an object for watching other object state changes */
+int ubus_register_watch_object(struct ubus_context *ctx, struct ubus_watch_object *obj);
+
+int ubus_watch_object_add(struct ubus_context *ctx, struct ubus_watch_object *obj, uint32_t id);
+
+int ubus_watch_object_remove(struct ubus_context *ctx, struct ubus_watch_object *obj, uint32_t id);
+
/* ----------- rpc ----------- */
/* invoke a method on a specific object */
int ubus_send_reply(struct ubus_context *ctx, struct ubus_request_data *req,
struct blob_attr *msg);
+static inline void ubus_defer_request(struct ubus_context *ctx,
+ struct ubus_request_data *req,
+ struct ubus_request_data *new_req)
+{
+ memcpy(new_req, req, sizeof(*req));
+ req->deferred = true;
+}
+
+void ubus_complete_deferred_request(struct ubus_context *ctx,
+ struct ubus_request_data *req, int ret);
+
/* ----------- events ----------- */
int ubus_send_event(struct ubus_context *ctx, const char *id,
{
return ubus_remove_object(ctx, &ev->obj);
}
+
+#endif