1 #include <libubox/list.h>
2 #include <libubox/blobmsg.h>
3 #include <libubox/uloop.h>
6 #include "ubus_common.h"
11 struct ubus_request_data
;
13 typedef void (*ubus_handler_t
)(struct ubus_object
*obj
,
14 struct ubus_request_data
*req
,
15 const char *method
, struct blob_attr
*msg
);
16 typedef void (*ubus_data_handler_t
)(struct ubus_request
*req
,
17 int type
, struct blob_attr
*msg
);
18 typedef void (*ubus_complete_handler_t
)(struct ubus_request
*req
, int ret
);
21 #define UBUS_SIGNATURE(_type, _name) { .type = _type, .name = _name }
23 #define UBUS_METHOD_START(_name) UBUS_SIGNATURE(UBUS_SIGNATURE_METHOD, _name)
24 #define UBUS_METHOD_END() UBUS_SIGNATURE(UBUS_SIGNATURE_END, NULL)
26 #define UBUS_FIELD(_type, _name) UBUS_SIGNATURE(BLOBMSG_TYPE_ ## _type, _name)
28 #define UBUS_ARRAY(_name) UBUS_FIELD(ARRAY, _name)
29 #define UBUS_ARRAY_END() UBUS_SIGNATURE(UBUS_SIGNATURE_END, NULL)
31 #define UBUS_TABLE_START(_name) UBUS_FIELD(TABLE, _name)
32 #define UBUS_TABLE_END() UBUS_SIGNATURE(UBUS_SIGNATURE_END, NULL)
34 #define UBUS_OBJECT_TYPE(_name, _signature) \
38 .n_signature = ARRAY_SIZE(_signature), \
39 .signature = _signature \
42 struct ubus_signature
{
43 enum blobmsg_type type
;
47 struct ubus_object_type
{
51 const struct ubus_signature
*signature
;
59 struct ubus_object
*parent
;
61 struct ubus_object_type
*type
;
65 struct list_head requests
;
66 struct list_head objects
;
73 struct ubus_msghdr hdr
;
74 char data
[UBUS_MAX_MSGLEN
- sizeof(struct ubus_msghdr
)];
78 struct ubus_request_data
{
85 struct list_head list
;
87 struct list_head pending
;
96 ubus_data_handler_t data_cb
;
97 ubus_complete_handler_t complete_cb
;
102 #define BLOBMSG_END_TABLE BLOBMSG_TYPE_UNSPEC
104 struct ubus_context
*ubus_connect(const char *path
);
105 void ubus_free(struct ubus_context
*ctx
);
107 const char *ubus_strerror(int error
);
109 /* ----------- helpers for message handling ----------- */
111 struct blob_attr
**ubus_parse_msg(struct blob_attr
*msg
);
113 /* ----------- raw request handling ----------- */
115 /* start a raw request */
116 int ubus_start_request(struct ubus_context
*ctx
, struct ubus_request
*req
,
117 struct blob_attr
*msg
, int cmd
, uint32_t peer
);
119 /* wait for a request to complete and return its status */
120 int ubus_complete_request(struct ubus_context
*ctx
, struct ubus_request
*req
);
122 /* complete a request asynchronously */
123 void ubus_complete_request_async(struct ubus_context
*ctx
,
124 struct ubus_request
*req
);
126 /* abort an asynchronous request */
127 void ubus_abort_request(struct ubus_context
*ctx
, struct ubus_request
*req
);
129 /* ----------- rpc ----------- */
131 /* invoke a method on a specific object */
132 int ubus_invoke(struct ubus_context
*ctx
, uint32_t obj
, const char *method
,
133 struct blob_attr
*msg
, ubus_data_handler_t cb
, void *priv
);
135 /* asynchronous version of ubus_invoke() */
136 void ubus_invoke_async(struct ubus_context
*ctx
, uint32_t obj
, const char *method
,
137 struct blob_attr
*msg
, struct ubus_request
*req
);
139 /* make an object visible to remote connections */
140 int ubus_publish(struct ubus_context
*ctx
, struct ubus_object
*obj
);