# This document provides a schema for representing a request
# for network measurement data. It is based on the draft
# document Requirements for a measurment request

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

include "nm_requestbody.rnc"

start =
   element networkMeasurementRequest { NetworkMeasurementRequest }

# This document provides a schema for representing a request
# for network measurement data. It is based on the draft
# document Requirements for a measurment request

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

grammar {

   include "nm_subject.rnc"
   include "nm_params.rnc"
   include "nm_tool.rnc"
   include "nm_timeinfo.rnc"
   include "nm_statistic.rnc"
   include "nm_extend.rnc"
   
   NetworkMeasurementRequest =
      element request { Request }+,
      attribute version { token }?
   Request =
      ## The requested characteristic
      element characteristic { token },
      ## The subject of the measurement(s) to be returned
      element subject { ( element node { Node } | Name | element path { Path } ), Report},
      ## The methodology to employ
      element methodology { Methodology }?,
      ## A request for statistics to be returned
      element statistics { Statistics }?,
      ## The maximum number of measurements to be returned
      # Enumerations break wsdl2spy
      #attribute maxResults { token "unbounded" | xsd:positiveInteger }?,
      attribute maxResults { token | xsd:positiveInteger }?,
      ## If false, new measurements should not be made to satisfy this request
      attribute allowNewMeasurements { xsd:boolean }?,
      ## If true, everything that can be reported, should be, otherwise individual report attributes are used.
      attribute reportEverything { xsd:boolean }?
   Methodology =
      ## The measurement(s) should have been made using this tool, if this element is present
      element tool { Tool }?,
      ## The measurement(s) must have been made in this time period
      element when {  TimeInformation }?,
      ## Tool parameters
      element parameterSet { ParameterSet }*
   # This is a global declaration as "required" will be used all over the place
   ## If true, the appropriate parameter is required to be the given value. The default is false.
   Required = attribute required { xsd:boolean }?
   # This is a global declaration as "report" will be used all over the place
   ## If true, the appropriate parameter should be reported in the response.
   ## The default is networkMeasurementRequest/request#reportEverything)
   Report = attribute report { xsd:boolean}?
   # This is a global declaration as "range" will be used all over the place
   ## One of "min", "max" or "exact" to indicate a range of numeric values. The default is "exact".
   ## If "min", the parameter should be at least the given value; if "max", the parameter should be at most the given value; if "exact", the parameter should be exactly this value.
   ## attribute range { token "min" | token "max" | token "exact" }?
   Range = attribute range { token }?
   ## One of source or destination, or omitted to indicate neither, either or both.
   ## attribute endpoint { token "source" | token "destination" }?
   Endpoint = attribute endpoint { token }?

}

# NMWG Request subject

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

grammar {
   Address = 
      ## Host address
      element host { token },
      ## IP version
      attribute version { token }
   ## A node with an address. This may also contain a name
   Node =
      element address { Address }, Name?
   ## Just a named node. This is just any identifier of an end-host, unique or not.
   Name = element name { string }
   ## A path between two nodes
   Path =
      element source { Node | Name },
      element destination { Node | Name }
}

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

grammar {
   ParameterSet =
      ## The duration of the test
      element duration { xsd:double, ParameterUnits, Range, ParameterAttributes }*, 
      ## Type of packets being sent
      # XXX: Unfortunately, enumerations break wsdl2py!!
      #element packetType { ( token "TCP" | token "ICMP" | token "UDP" ), ParameterAttributes }*,
      element packetType { token, ParameterAttributes }*,
      ## Size of packets sent on network
      element packetSize { xsd:int, ParameterUnits, Range, ParameterAttributes }*,
      ## Number of packets sent on network
      element numPackets { xsd:int, ParameterUnits, Range, ParameterAttributes }*,
      ## What algorithm is used to space packets
      # XXX: Unfortunately, enumerations break wsdl2py!!
      ## element packetSpacing { ( token "poisson" | token "periodic" ), ParameterAttributes }*,
      element packetSpacing { token , ParameterAttributes }*,
      ## Time between test packets, in seconds (for periodic tests)
      element packetGap { xsd:double, ParameterUnits, Range, ParameterAttributes }*,
      ## IP version
      element protocolID { token, ParameterAttributes }*,
      ## Type of service (IP precedence)
      element tos { xsd:short, ParameterAttributes }*,
      ## Differentiated services code point
      element dscp { xsd:byte, ParameterAttributes }*,
      ## IPv6 option for QoS
      element flowLabel { xsd:byte, ParameterAttributes }*,
      ## Threshold used to distinguish between a large finite delay and loss
      element lossThreshold { xsd:int, ParameterUnits, Range, ParameterAttributes }*,
      ## Amount of test traffic
      element numBytes { xsd:int, ParameterUnits, Range, ParameterAttributes }*,
      ## Are bytes moving memory to memory or disk to disk*
      element includesDisk { xsd:boolean, ParameterAttributes }*,
      ## Size of TCP buffers used
      element tcpBufferSize { xsd:int, ParameterUnits, Range, ParameterAttributes }*,
      ## Reno, Vegas, HSTCP, ScalableTCP, etc
      element tcpType { token, ParameterAttributes }*,
      ## Number of parallel streams
      element numStreams { xsd:unsignedShort, Range, ParameterAttributes }*,
      ## The port to contact
      element port { xsd:int, Range, ParameterAttributes }*,
      ## Additional user-defined parameters
      element other { Extensibility }?

   ## Attributes that apply to all (or nearly all) parameters
   ParameterAttributes =
      ## If true, this parameter is required, otherwise it is optional
      Required,
      ## If true, the value of this parameter should be reported in the response
      Report,
      ## One of source or destination, or omitted to indicate neither, either or both.
      ## attribute endpoint { token "source" | token "destination" }?
      Endpoint
   ParameterUnits = 
      ## A series of unit names and powers indicating the units of the value
      attribute units { token }
}

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

grammar {
   ## The tool and optional command lines to use
   Tool =
      element name { token },
      element major { xsd:int, Range }*,
      element minor { xsd:int, Range }*,
      element release { token, Range }*,
      element buildDate{ xsd:date, Range }*,
      element vendor { text }?,
      element versionString { text, Range }*,
      element commandLine { ToolCommandLine }*,
      Required, Report

   ## The command-line to use.
   ## A command-line cannot be used in conjunction with classical parameters.
   ## That is, if you specify either a source or destination command line, there must be no parameterSet.
   ToolCommandLine =
      ( element arg { text }+ |
      element line { text } )?,
      Required, Report, Endpoint
}

# The timing of the request
namespace local = ""
default namespace tns = 
   "http://www.ggf.org/namespaces/2004/10/gridNetworkMonitoring"

grammar {
   TimeInformation =
      #Enumerations break wsdl2spy
      #element time { token "now" | xsd:double }?,
      #element plusTimeTolerance { token "unbounded" | xsd:double }?,
      #element minusTimeTolerance { token "unbounded" | xsd:double }?,
      #element testingInterval { token "unbounded" | xsd:double }?
      ## Measurements should have been measured at or near this time. The value can be "unbounded" or 
      element time { token | xsd:double }? &
      ## Measurements should have been measured before time + plusTimeTolerance
      element plusTimeTolerance { token | xsd:double }? &
      ## Measurements should have been measured after time - minusTimeTolerance
      element minusTimeTolerance { token | xsd:double }? &
      ## If measurements are being made, this value may be used as a guide to the interval between measurements
      element testingInterval { token | xsd:double }?
}

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

grammar {
   ## These elements indicate a request for various statistical summaries of data
   Statistics =
      ## The interval provides a hint to the service as to the interval between measurements required if it is to make new measurements
      #Enumerations break wsdl2spy
      #attribute interval { token "unbounded" | xsd:double }*,
      #attribute interval { token | xsd:double }*,
      ## Request the raw data
      element raw { empty }?,
      element count { empty, StatisticsAttributes }*,
      element min { empty, StatisticsAttributes }*,
      element mean { empty, StatisticsAttributes }*,
      element median { empty, StatisticsAttributes }*,
      element max { empty, StatisticsAttributes }*,
      element stddev { empty, StatisticsAttributes }*,
      element percentile { empty, attribute n { xsd:double }, StatisticsAttributes }*,
      element confidence { empty, attribute n { xsd:double }, StatisticsAttributes }*

   StatisticsAttributes =
      ## The interval over which the statistic is generated
      #Enumerations break wsdl2spy
      #attribute interval { token "unbounded" | xsd:double }?,
      attribute interval { token | xsd:double }?,
      ## Whether it is a requirement or not that this statistic be reported. Default is false.
      Required
}

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

grammar {
	## Extensibility element(s)
	## Only restriction is that they must be in a namespace,
	## and it must differ from this one
	Extensibility = element * - ( tns:* | local:* ) { text }*
}