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 void (*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;
62 struct ubus_object_type *type;
66 struct list_head requests;
67 struct avl_tree objects;
75 struct ubus_msghdr hdr;
76 char data[UBUS_MAX_MSGLEN - sizeof(struct ubus_msghdr)];
80 struct ubus_request_data {
87 struct list_head list;
89 struct list_head pending;
98 ubus_data_handler_t data_cb;
99 ubus_complete_handler_t complete_cb;
101 struct ubus_context *ctx;
105 #define BLOBMSG_END_TABLE BLOBMSG_TYPE_UNSPEC
107 struct ubus_context *ubus_connect(const char *path);
108 void ubus_free(struct ubus_context *ctx);
110 const char *ubus_strerror(int error);
112 /* ----------- helpers for message handling ----------- */
114 struct blob_attr **ubus_parse_msg(struct blob_attr *msg);
116 /* ----------- raw request handling ----------- */
118 /* start a raw request */
119 int ubus_start_request(struct ubus_context *ctx, struct ubus_request *req,
120 struct blob_attr *msg, int cmd, uint32_t peer);
122 /* wait for a request to complete and return its status */
123 int ubus_complete_request(struct ubus_context *ctx, struct ubus_request *req);
125 /* complete a request asynchronously */
126 void ubus_complete_request_async(struct ubus_context *ctx,
127 struct ubus_request *req);
129 /* abort an asynchronous request */
130 void ubus_abort_request(struct ubus_context *ctx, struct ubus_request *req);
132 /* ----------- rpc ----------- */
134 /* invoke a method on a specific object */
135 int ubus_invoke(struct ubus_context *ctx, uint32_t obj, const char *method,
136 struct blob_attr *msg, ubus_data_handler_t cb, void *priv);
138 /* asynchronous version of ubus_invoke() */
139 void ubus_invoke_async(struct ubus_context *ctx, uint32_t obj, const char *method,
140 struct blob_attr *msg, struct ubus_request *req);
142 /* make an object visible to remote connections */
143 int ubus_publish(struct ubus_context *ctx, struct ubus_object *obj);