ubusmsg.h

   1 /*
   2  * Copyright (C) 2011 Felix Fietkau <nbd@openwrt.org>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU Lesser General Public License version 2.1
   6  * as published by the Free Software Foundation
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #ifndef __UBUSMSG_H
  15 #define __UBUSMSG_H
  16
  17 #include <stdint.h>
  18 #include <libubox/blob.h>
  19
  20 #define __packetdata __attribute__((packed)) __attribute__((__aligned__(4)))
  21
  22 #define UBUS_MSG_CHUNK_SIZE     65536
  23
  24 #define UBUS_SYSTEM_OBJECT_EVENT        1
  25 #define UBUS_SYSTEM_OBJECT_ACL          2
  26 #define UBUS_SYSTEM_OBJECT_MONITOR      3
  27 #define UBUS_SYSTEM_OBJECT_MAX          1024
  28
  29 struct ubus_msghdr {
  30         uint8_t version;
  31         uint8_t type;
  32         uint16_t seq;
  33         uint32_t peer;
  34 } __packetdata;
  35
  36 enum ubus_msg_type {
  37         /* initial server message */
  38         UBUS_MSG_HELLO,
  39
  40         /* generic command response */
  41         UBUS_MSG_STATUS,
  42
  43         /* data message response */
  44         UBUS_MSG_DATA,
  45
  46         /* ping request */
  47         UBUS_MSG_PING,
  48
  49         /* look up one or more objects */
  50         UBUS_MSG_LOOKUP,
  51
  52         /* invoke a method on a single object */
  53         UBUS_MSG_INVOKE,
  54
  55         UBUS_MSG_ADD_OBJECT,
  56         UBUS_MSG_REMOVE_OBJECT,
  57
  58         /*
  59          * subscribe/unsubscribe to object notifications
  60          * The unsubscribe message is sent from ubusd when
  61          * the object disappears
  62          */
  63         UBUS_MSG_SUBSCRIBE,
  64         UBUS_MSG_UNSUBSCRIBE,
  65
  66         /*
  67          * send a notification to all subscribers of an object.
  68          * when sent from the server, it indicates a subscription
  69          * status change
  70          */
  71         UBUS_MSG_NOTIFY,
  72
  73         UBUS_MSG_MONITOR,
  74
  75         /* must be last */
  76         __UBUS_MSG_LAST,
  77 };
  78
  79 enum ubus_msg_attr {
  80         UBUS_ATTR_UNSPEC,
  81
  82         UBUS_ATTR_STATUS,
  83
  84         UBUS_ATTR_OBJPATH,
  85         UBUS_ATTR_OBJID,
  86         UBUS_ATTR_METHOD,
  87
  88         UBUS_ATTR_OBJTYPE,
  89         UBUS_ATTR_SIGNATURE,
  90
  91         UBUS_ATTR_DATA,
  92         UBUS_ATTR_TARGET,
  93
  94         UBUS_ATTR_ACTIVE,
  95         UBUS_ATTR_NO_REPLY,
  96
  97         UBUS_ATTR_SUBSCRIBERS,
  98
  99         UBUS_ATTR_USER,
 100         UBUS_ATTR_GROUP,
 101
 102         /* must be last */
 103         UBUS_ATTR_MAX,
 104 };
 105
 106 enum ubus_monitor_attr {
 107         UBUS_MONITOR_CLIENT,
 108         UBUS_MONITOR_PEER,
 109         UBUS_MONITOR_SEND,
 110         UBUS_MONITOR_SEQ,
 111         UBUS_MONITOR_TYPE,
 112         UBUS_MONITOR_DATA,
 113
 114         /* must be last */
 115         UBUS_MONITOR_MAX,
 116 };
 117
 118 enum ubus_msg_status {
 119         UBUS_STATUS_OK,
 120         UBUS_STATUS_INVALID_COMMAND,
 121         UBUS_STATUS_INVALID_ARGUMENT,
 122         UBUS_STATUS_METHOD_NOT_FOUND,
 123         UBUS_STATUS_NOT_FOUND,
 124         UBUS_STATUS_NO_DATA,
 125         UBUS_STATUS_PERMISSION_DENIED,
 126         UBUS_STATUS_TIMEOUT,
 127         UBUS_STATUS_NOT_SUPPORTED,
 128         UBUS_STATUS_UNKNOWN_ERROR,
 129         UBUS_STATUS_CONNECTION_FAILED,
 130         __UBUS_STATUS_LAST
 131 };
 132
 133 #endif