# Faults
namespace local = ""
default namespace tns =
   "http://www.ggf.org/namespaces/2004/10/gridNetworkMonitoring"

include "nm_requestbody.rnc"

## The nmwgFault element has the following content:
## A mandatory <code/> element, containing the NMWG error code for the fault.
## Any number of optional <message/> elements containing a human-readable message. Each message element has a lang attribute indicating the language.
## An optional <delay/> element. This is used in a TryAgainFault to indicate the number of seconds the client should wait before trying again.
## An optional <usingRequest/> element, containing a networkMeasurementRequest. This can be used in a TryAgainFault to force the client to use a particular message.
start =
   element nmwgFault { NoDataFault | CommunicationFault | SystemFault | AuthorisationFault | RequestFault | DiscoveryFault | TryAgainFault }

## All NMWGFaults must contain this elements
NMWGFault =
   element code { xsd:positiveInteger } &
   element message { text, attribute lang { token } }*

NoDataFault =
   NMWGFault

CommunicationFault =
   NMWGFault

SystemFault =
   NMWGFault

AuthorisationFault =
   NMWGFault

RequestFault =
   NMWGFault

DiscoveryFault =
   NMWGFault

## When instructed to try again, a client should wait for the specified delay before presenting another request.
TryAgainFault =
   NMWGFault &
   ## Wait this many seconds before trying again.
   element delay { xsd:double } &
   ## If this is specified, the client should present the given networkMeasurementRequest
   ## element when when it tries again.
   element usingRequest { external "nm_request.rnc" }?