# $Id$
#
# RelaxNG schema for RPKI Repository Delta Protocol (RRDP).
#
# Copyright (C) 2014  Dragon Research Labs ("DRL")
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND DRL DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS.  IN NO EVENT SHALL DRL BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.

default namespace = "http://www.ripe.net/rpki/rrdp"

version = xsd:positiveInteger   { maxInclusive="1" }
serial  = xsd:nonNegativeInteger
uri     = xsd:anyURI
uuid    = xsd:string            { pattern = "[\-0-9a-fA-F]+" }
hash    = xsd:string            { pattern = "[0-9a-fA-F]+" }
base64  = xsd:base64Binary

# Notification file: lists current snapshots and deltas

start |= element notification {
  attribute version    { version },
  attribute session_id { uuid },
  attribute serial     { serial },
  element snapshot {
    attribute uri  { uri },
    attribute hash { hash }
  },
  element delta {
    attribute serial { serial },
    attribute uri    { uri },
    attribute hash   { hash }
  }*
}

# Snapshot segment: think DNS AXFR.

start |= element snapshot {
  attribute version    { version },
  attribute session_id { uuid },
  attribute serial     { serial },
  element publish      {
    attribute uri { uri },
    base64
  }*
}

# Delta segment: think DNS IXFR.

start |= element delta {
  attribute version    { version },
  attribute session_id { uuid },
  attribute serial     { serial },
  delta_element+
}

delta_element |= element publish  {
  attribute uri  { uri },
  attribute hash { hash }?,
  base64
}

delta_element |= element withdraw {
  attribute uri  { uri },
  attribute hash { hash }
}

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