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 struct ubus_msghdr {
  12         uint8_t version;
  13         uint8_t type;
  14         uint16_t seq;
  15         uint32_t peer;
  16         struct blob_attr data[];
  17 } __packetdata;
  18
  19 enum ubus_msg_type {
  20         /* initial server message */
  21         UBUS_MSG_HELLO,
  22
  23         /* generic command response */
  24         UBUS_MSG_STATUS,
  25
  26         /* data message response */
  27         UBUS_MSG_DATA,
  28
  29         /* ping request */
  30         UBUS_MSG_PING,
  31
  32         /* look up one or more objects */
  33         UBUS_MSG_LOOKUP,
  34
  35         /* invoke a method on a single object */
  36         UBUS_MSG_INVOKE,
  37
  38         /* publish an object */
  39         UBUS_MSG_PUBLISH,
  40
  41         /* must be last */
  42         __UBUS_MSG_LAST,
  43 };
  44
  45 enum ubus_msg_attr {
  46         UBUS_ATTR_UNSPEC,
  47
  48         UBUS_ATTR_STATUS,
  49
  50         UBUS_ATTR_OBJPATH,
  51         UBUS_ATTR_OBJID,
  52         UBUS_ATTR_METHOD,
  53
  54         UBUS_ATTR_OBJTYPE,
  55         UBUS_ATTR_SIGNATURE,
  56
  57         UBUS_ATTR_DATA,
  58
  59         /* must be last */
  60         UBUS_ATTR_MAX,
  61 };
  62
  63 enum ubus_msg_status {
  64         UBUS_STATUS_OK,
  65         UBUS_STATUS_INVALID_COMMAND,
  66         UBUS_STATUS_INVALID_ARGUMENT,
  67         UBUS_STATUS_NOT_FOUND,
  68         UBUS_STATUS_NO_DATA,
  69         __UBUS_STATUS_LAST
  70 };
  71
  72 #endif