ubusmsg.h

   1 #ifndef __UBUSMSG_H
   2 #define __UBUSMSG_H
   3
   4 #include <stdint.h>
   5 #include <libubox/blob.h>
   6
   7 #define __packetdata __attribute__((packed)) __attribute__((__aligned__(4)))
   8
   9 #define UBUS_MAX_MSGLEN 65535
  10
  11 #define UBUS_SYSTEM_OBJECT_EVENT        1
  12 #define UBUS_SYSTEM_OBJECT_MAX          1024
  13
  14 struct ubus_msghdr {
  15         uint8_t version;
  16         uint8_t type;
  17         uint16_t seq;
  18         uint32_t peer;
  19         struct blob_attr data[];
  20 } __packetdata;
  21
  22 enum ubus_msg_type {
  23         /* initial server message */
  24         UBUS_MSG_HELLO,
  25
  26         /* generic command response */
  27         UBUS_MSG_STATUS,
  28
  29         /* data message response */
  30         UBUS_MSG_DATA,
  31
  32         /* ping request */
  33         UBUS_MSG_PING,
  34
  35         /* look up one or more objects */
  36         UBUS_MSG_LOOKUP,
  37
  38         /* invoke a method on a single object */
  39         UBUS_MSG_INVOKE,
  40
  41         /* publish an object */
  42         UBUS_MSG_PUBLISH,
  43
  44         /* must be last */
  45         __UBUS_MSG_LAST,
  46 };
  47
  48 enum ubus_msg_attr {
  49         UBUS_ATTR_UNSPEC,
  50
  51         UBUS_ATTR_STATUS,
  52
  53         UBUS_ATTR_OBJPATH,
  54         UBUS_ATTR_OBJID,
  55         UBUS_ATTR_METHOD,
  56
  57         UBUS_ATTR_OBJTYPE,
  58         UBUS_ATTR_SIGNATURE,
  59
  60         UBUS_ATTR_DATA,
  61
  62         /* must be last */
  63         UBUS_ATTR_MAX,
  64 };
  65
  66 enum ubus_msg_status {
  67         UBUS_STATUS_OK,
  68         UBUS_STATUS_INVALID_COMMAND,
  69         UBUS_STATUS_INVALID_ARGUMENT,
  70         UBUS_STATUS_METHOD_NOT_FOUND,
  71         UBUS_STATUS_NOT_FOUND,
  72         UBUS_STATUS_NO_DATA,
  73         UBUS_STATUS_PERMISSION_DENIED,
  74         __UBUS_STATUS_LAST
  75 };
  76
  77 #endif