1 #include <libubox/avl.h>
2 #include <libubox/list.h>
3 #include <libubox/blobmsg.h>
4 #include <libubox/uloop.h>
7 #include "ubus_common.h"
12 struct ubus_request_data
;
14 typedef int (*ubus_handler_t
)(struct ubus_object
*obj
,
15 struct ubus_request_data
*req
,
16 const char *method
, struct blob_attr
*msg
);
17 typedef void (*ubus_data_handler_t
)(struct ubus_request
*req
,
18 int type
, struct blob_attr
*msg
);
19 typedef void (*ubus_complete_handler_t
)(struct ubus_request
*req
, int ret
);
22 #define UBUS_SIGNATURE(_type, _name) { .type = _type, .name = _name }
24 #define UBUS_METHOD_START(_name) UBUS_SIGNATURE(UBUS_SIGNATURE_METHOD, _name)
25 #define UBUS_METHOD_END() UBUS_SIGNATURE(UBUS_SIGNATURE_END, NULL)
27 #define UBUS_FIELD(_type, _name) UBUS_SIGNATURE(BLOBMSG_TYPE_ ## _type, _name)
29 #define UBUS_ARRAY(_name) UBUS_FIELD(ARRAY, _name)
30 #define UBUS_ARRAY_END() UBUS_SIGNATURE(UBUS_SIGNATURE_END, NULL)
32 #define UBUS_TABLE_START(_name) UBUS_FIELD(TABLE, _name)
33 #define UBUS_TABLE_END() UBUS_SIGNATURE(UBUS_SIGNATURE_END, NULL)
35 #define UBUS_OBJECT_TYPE(_name, _signature) \
39 .n_signature = ARRAY_SIZE(_signature), \
40 .signature = _signature \
43 struct ubus_signature
{
44 enum blobmsg_type type
;
48 struct ubus_object_type
{
52 const struct ubus_signature
*signature
;
57 ubus_handler_t handler
;
67 struct ubus_object_type
*type
;
69 const struct ubus_method
*methods
;
74 struct list_head requests
;
75 struct avl_tree objects
;
82 void (*connection_lost
)(struct ubus_context
*ctx
);
85 struct ubus_msghdr hdr
;
86 char data
[UBUS_MAX_MSGLEN
- sizeof(struct ubus_msghdr
)];
90 struct ubus_request_data
{
97 struct list_head list
;
99 struct list_head pending
;
108 ubus_data_handler_t data_cb
;
109 ubus_complete_handler_t complete_cb
;
111 struct ubus_context
*ctx
;
115 #define BLOBMSG_END_TABLE BLOBMSG_TYPE_UNSPEC
117 struct ubus_context
*ubus_connect(const char *path
);
118 void ubus_free(struct ubus_context
*ctx
);
120 const char *ubus_strerror(int error
);
122 /* ----------- helpers for message handling ----------- */
124 struct blob_attr
**ubus_parse_msg(struct blob_attr
*msg
);
126 /* ----------- raw request handling ----------- */
128 /* start a raw request */
129 int ubus_start_request(struct ubus_context
*ctx
, struct ubus_request
*req
,
130 struct blob_attr
*msg
, int cmd
, uint32_t peer
);
132 /* wait for a request to complete and return its status */
133 int ubus_complete_request(struct ubus_context
*ctx
, struct ubus_request
*req
);
135 /* complete a request asynchronously */
136 void ubus_complete_request_async(struct ubus_context
*ctx
,
137 struct ubus_request
*req
);
139 /* abort an asynchronous request */
140 void ubus_abort_request(struct ubus_context
*ctx
, struct ubus_request
*req
);
142 /* ----------- rpc ----------- */
144 /* invoke a method on a specific object */
145 int ubus_invoke(struct ubus_context
*ctx
, uint32_t obj
, const char *method
,
146 struct blob_attr
*msg
, ubus_data_handler_t cb
, void *priv
);
148 /* asynchronous version of ubus_invoke() */
149 void ubus_invoke_async(struct ubus_context
*ctx
, uint32_t obj
, const char *method
,
150 struct blob_attr
*msg
, struct ubus_request
*req
);
152 /* make an object visible to remote connections */
153 int ubus_publish(struct ubus_context
*ctx
, struct ubus_object
*obj
);