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 Go to latest Published: Apr 17, 2014 License: BSD-3-Clause Imports: 7 Imported by: 0

Documentation

Overview

Diameter dictionary parser. Part of go-diameter.

Index

Constants

This section is empty.

Variables

View Source 
var DefaultXML = []byte(`<?xml version="1.0" encoding="UTF-8"?>
<diameter>

  <application id="0"> <!-- Diameter Common Messages -->

    <vendor id="10415" name="3GPP"/>

    <command code="257" short="CE" name="Capabilities-Exchange">
      <request>
        <rule avp="Origin-Host" required="true" max="1"/>
        <rule avp="Origin-Realm" required="true" max="1"/>
        <rule avp="Host-IP-Address" required="true" max="1"/>
        <rule avp="Vendor-Id" required="true" max="1"/>
        <rule avp="Product-Name" required="true" max="1"/>
        <rule avp="Origin-State-Id" required="false" max="1"/>
        <rule avp="Supported-Vendor-Id" required="False"/>
        <rule avp="Auth-Application-Id" required="False"/>
        <rule avp="Inband-Security-Id" required="False"/>
        <rule avp="Acct-Application-Id" required="False"/>
        <rule avp="Vendor-Specific-Application-Id" required="False"/>
        <rule avp="Firmware-Revision" required="False" max="1"/>
      </request>
      <answer>
        <rule avp="Result-Code" required="true" max="1"/>
        <rule avp="Origin-Host" required="true" max="1"/>
        <rule avp="Origin-Realm" required="true" max="1"/>
        <rule avp="Host-IP-Address" required="true" max="1"/>
        <rule avp="Vendor-Id" required="true" max="1"/>
        <rule avp="Product-Name" required="true" max="1"/>
        <rule avp="Origin-State-Id" required="false" max="1"/>
        <rule avp="Error-Message" required="false" max="1"/>
        <rule avp="Failed-AVP" required="false" max="1"/>
        <rule avp="Supported-Vendor-Id" required="False"/>
        <rule avp="Auth-Application-Id" required="False"/>
        <rule avp="Inband-Security-Id" required="False"/>
        <rule avp="Acct-Application-Id" required="False"/>
        <rule avp="Vendor-Specific-Application-Id" required="False"/>
        <rule avp="Firmware-Revision" required="False" max="1"/>
      </answer>
    </command>

    <command code="258" short="RA" name="Re-Auth">
      <request>
        <rule avp="Session-Id" required="true" max="1"/>
        <rule avp="Origin-Host" required="true" max="1"/>
        <rule avp="Origin-Realm" required="true" max="1"/>
        <rule avp="Destination-Realm" required="true" max="1"/>
        <rule avp="Destination-Host" required="true" max="1"/>
        <rule avp="Auth-Application-Id" required="true" max="1"/>
        <rule avp="Re-Auth-Request-Type" required="true" max="1"/>
        <rule avp="User-Name" required="false" max="1"/>
        <rule avp="Origin-State-Id" required="false" max="1"/>
        <rule avp="Proxy-Info" required="false"/>
        <rule avp="Route-Record" required="false"/>
      </request>
      <answer>
        <rule avp="Session-Id" required="true" max="1"/>
        <rule avp="Result-Code" required="true" max="1"/>
        <rule avp="Origin-Host" required="true" max="1"/>
        <rule avp="Origin-Realm" required="true" max="1"/>
        <rule avp="User-Name" required="false" max="1"/>
        <rule avp="Origin-State-Id" required="false" max="1"/>
        <rule avp="Error-Message" required="false" max="1"/>
        <rule avp="Error-Reporting-Host" required="false" max="1"/>
        <rule avp="Failed-AVP" required="false" max="1"/>
        <rule avp="Redirect-Host" required="false"/>
        <rule avp="Redirect-Host-Usage" required="false" max="1"/>
        <rule avp="Redirect-Max-Cache-Time" required="false" max="1"/>
        <rule avp="Proxy-Info" required="false"/>
      </answer>
    </command>

    <command code="271" short="AC" name="Accounting">
      <request>
        <rule avp="Session-Id" required="true" max="1"/>
        <rule avp="Origin-Host" required="true" max="1"/>
        <rule avp="Origin-Realm" required="true" max="1"/>
        <rule avp="Destination-Realm" required="true" max="1"/>
        <rule avp="Accounting-Record-Type" required="true" max="1"/>
        <rule avp="Accounting-Record-Number" required="true" max="1"/>
        <rule avp="Acct-Application-Id" required="false" max="1"/>
        <rule avp="Vendor-Specific-Application-Id" required="false" max="1"/>
        <rule avp="User-Name" required="false" max="1"/>
        <rule avp="Destination-Host" required="false" max="1"/>
        <rule avp="Accounting-Sub-Session-Id" required="false" max="1"/>
        <rule avp="Acct-Session-Id" required="false" max="1"/>
        <rule avp="Acct-Multi-Session-Id" required="false" max="1"/>
        <rule avp="Acct-Interim-Interval" required="false" max="1"/>
        <rule avp="Accounting-Realtime-Required" required="false" max="1"/>
        <rule avp="Origin-State-Id" required="false" max="1"/>
        <rule avp="Event-Timestamp" required="false" max="1"/>
        <rule avp="Proxy-Info" required="false"/>
        <rule avp="Route-Record" required="false"/>
      </request>
      <answer>
        <rule avp="Session-Id" required="true" max="1"/>
        <rule avp="Result-Code" required="true" max="1"/>
        <rule avp="Origin-Host" required="true" max="1"/>
        <rule avp="Origin-Realm" required="true" max="1"/>
        <rule avp="Accounting-Record-Type" required="true" max="1"/>
        <rule avp="Accounting-Record-Number" required="true" max="1"/>
        <rule avp="Acct-Application-Id" required="false" max="1"/>
        <rule avp="Vendor-Specific-Application-Id" required="false" max="1"/>
        <rule avp="User-Name" required="false" max="1"/>
        <rule avp="Accounting-Sub-Session-Id" required="false" max="1"/>
        <rule avp="Acct-Session-Id" required="false" max="1"/>
        <rule avp="Acct-Multi-Session-Id" required="false" max="1"/>
        <rule avp="Error-Message" required="false" max="1"/>
        <rule avp="Error-Reporting-Host" required="false" max="1"/>
        <rule avp="Failed-AVP" required="false" max="1"/>
        <rule avp="Acct-Interim-Interval" required="false" max="1"/>
        <rule avp="Accounting-Realtime-Required" required="false" max="1"/>
        <rule avp="Origin-State-Id" required="false" max="1"/>
        <rule avp="Event-Timestamp" required="false" max="1"/>
        <rule avp="Proxy-Info" required="false"/>
      </answer>
    </command>

    <command code="274" short="AS" name="Abort-Session">
      <request>
        <rule avp="Session-Id" required="true" max="1"/>
        <rule avp="Origin-Host" required="true" max="1"/>
        <rule avp="Origin-Realm" required="true" max="1"/>
        <rule avp="Destination-Realm" required="true" max="1"/>
        <rule avp="Destination-Host" required="true" max="1"/>
        <rule avp="Auth-Application-Id" required="true" max="1"/>
        <rule avp="User-Name" required="false" max="1"/>
        <rule avp="Origin-State-Id" required="false" max="1"/>
        <rule avp="Proxy-Info" required="false"/>
        <rule avp="Route-Record" required="false"/>
      </request>
      <answer>
        <rule avp="Session-Id" required="true" max="1"/>
        <rule avp="Result-Code" required="true" max="1"/>
        <rule avp="Origin-Host" required="true" max="1"/>
        <rule avp="Origin-Realm" required="true" max="1"/>
        <rule avp="User-Name" required="false" max="1"/>
        <rule avp="Origin-State-Id" required="false" max="1"/>
        <rule avp="Error-Message" required="false" max="1"/>
        <rule avp="Error-Reporting-Host" required="false" max="1"/>
        <rule avp="Failed-AVP" required="false" max="1"/>
        <rule avp="Redirect-Host" required="false"/>
        <rule avp="Redirect-Host-Usage" required="false" max="1"/>
        <rule avp="Redirect-Max-Cache-Time" required="false" max="1"/>
        <rule avp="Proxy-Info" required="false"/>
      </answer>
    </command>

    <command code="275" short="ST" name="Session-Termination">
      <request>
        <rule avp="Session-Id" required="true" max="1"/>
        <rule avp="Origin-Host" required="true" max="1"/>
        <rule avp="Origin-Realm" required="true" max="1"/>
        <rule avp="Destination-Realm" required="true" max="1"/>
        <rule avp="Auth-Application-Id" required="true" max="1"/>
        <rule avp="Termination-Cause" required="true" max="1"/>
        <rule avp="User-Name" required="false" max="1"/>
        <rule avp="Destination-Host" required="false" max="1"/>
        <rule avp="Class" required="false"/>
        <rule avp="Origin-State-Id" required="false" max="1"/>
        <rule avp="Proxy-Info" required="false"/>
        <rule avp="Route-Record" required="false"/>
      </request>
      <answer>
        <rule avp="Session-Id" required="true" max="1"/>
        <rule avp="Result-Code" required="true" max="1"/>
        <rule avp="Origin-Host" required="true" max="1"/>
        <rule avp="Origin-Realm" required="true" max="1"/>
        <rule avp="User-Name" required="false" max="1"/>
        <rule avp="Class" required="false"/>
        <rule avp="Error-Message" required="false" max="1"/>
        <rule avp="Error-Reporting-Host" required="false" max="1"/>
        <rule avp="Failed-AVP" required="false" max="1"/>
        <rule avp="Origin-State-Id" required="false" max="1"/>
        <rule avp="Redirect-Host" required="false"/>
        <rule avp="Redirect-Host-Usage" required="false" max="1"/>
        <rule avp="Redirect-Max-Cache-Time" required="false" max="1"/>
        <rule avp="Proxy-Info" required="false"/>
      </answer>
    </command>

    <command code="280" short="DW" name="Device-Watchdog">
      <request>
        <rule avp="Origin-Host" required="true" max="1"/>
        <rule avp="Origin-Realm" required="true" max="1"/>
        <rule avp="Origin-State-Id" required="false" max="1"/>
      </request>
      <answer>
        <rule avp="Result-Code" required="true" max="1"/>
        <rule avp="Origin-Host" required="true" max="1"/>
        <rule avp="Origin-Realm" required="true" max="1"/>
        <rule avp="Error-Message" required="false" max="1"/>
        <rule avp="Failed-AVP" required="false" max="1"/>
        <rule avp="Origin-State-Id" required="false" max="1"/>
      </answer>
    </command>

    <command code="282" short="DP" name="Disconnect-Peer">
      <request>
        <rule avp="Origin-Host" required="true" max="1"/>
        <rule avp="Origin-Realm" required="true" max="1"/>
        <rule avp="Disconnect-Cause" required="false" max="1"/>
      </request>
      <answer>
        <rule avp="Result-Code" required="true" max="1"/>
        <rule avp="Origin-Host" required="true" max="1"/>
        <rule avp="Origin-Realm" required="true" max="1"/>
        <rule avp="Error-Message" required="false" max="1"/>
        <rule avp="Failed-AVP" required="false" max="1"/>
      </answer>
    </command>

    <avp name="Acct-Interim-Interval" code="85" must="M" may="P" must-not="V" may-encrypt="Y">
      <data type="Unsigned32"/>
    </avp>

    <avp name="Accounting-Realtime-Required" code="483" must="M" may="P" must-not="V" may-encrypt="Y">
      <data type="Enumerated">
        <item code="1" name="DELIVER_AND_GRANT"/>
        <item code="2" name="GRANT_AND_STORE"/>
        <item code="3" name="GRANT_AND_LOSE"/>
      </data>
    </avp>

    <avp name="Acct-Multi-Session-Id" code="50" must="M" may="P" must-not="V" may-encrypt="Y">
      <data type="UTF8String"/>
    </avp>

    <avp name="Accounting-Record-Number" code="485" must="M" may="P" must-not="V" may-encrypt="Y">
      <data type="Unsigned32"/>
    </avp>

    <avp name="Accounting-Record-Type" code="480" must="M" may="P" must-not="V" may-encrypt="Y">
      <data type="Enumerated">
        <item code="1" name="EVENT_RECORD"/>
        <item code="2" name="START_RECORD"/>
        <item code="3" name="INTERIM_RECORD"/>
        <item code="4" name="STOP_RECORD"/>
      </data>
    </avp>

    <avp name="Accounting-Session-Id" code="44" must="M" may="P" must-not="V" may-encrypt="Y">
      <data type="OctetString"/>
    </avp>

    <avp name="Accounting-Sub-Session-Id" code="287" must="M" may="P" must-not="V" may-encrypt="Y">
      <data type="Unsigned64"/>
    </avp>

    <avp name="Acct-Application-Id" code="259" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Unsigned32"/>
    </avp>

    <avp name="Auth-Application-Id" code="258" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Unsigned32"/>
    </avp>

    <avp name="Auth-Request-Type" code="274" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Enumerated">
        <item code="1" name="AUTHENTICATE_ONLY"/>
        <item code="2" name="AUTHORIZE_ONLY"/>
        <item code="3" name="AUTHORIZE_AUTHENTICATE"/>
      </data>
    </avp>

    <avp name="Authorization-Lifetime" code="291" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Unsigned32"/>
    </avp>

    <avp name="Auth-Grace-Period" code="276" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Unsigned32"/>
    </avp>

    <avp name="Auth-Session-State" code="277" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Enumerated">
        <item code="0" name="STATE_MAINTAINED"/>
        <item code="1" name="NO_STATE_MAINTAINED"/>
      </data>
    </avp>

    <avp name="Re-Auth-Request-Type" code="285" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Enumerated">
        <item code="0" name="AUTHORIZE_ONLY"/>
        <item code="1" name="AUTHORIZE_AUTHENTICATE"/>
      </data>
    </avp>

    <avp name="Class" code="25" must="M" may="P" must-not="V" may-encrypt="Y">
      <data type="OctetString"/>
    </avp>

    <avp name="Destination-Host" code="293" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="DiameterIdentity"/>
    </avp>

    <avp name="Destination-Realm" code="283" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="DiameterIdentity"/>
    </avp>

    <avp name="Disconnect-Cause" code="273" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Enumerated">
        <item code="0" name="REBOOTING"/>
        <item code="1" name="BUSY"/>
        <item code="2" name="DO_NOT_WANT_TO_TALK_TO_YOU"/>
      </data>
    </avp>

    <avp name="Error-Message" code="281" must="-" may="P" must-not="V,M" may-encrypt="-">
      <data type="UTF8String"/>
    </avp>

    <avp name="Error-Reporting-Host" code="294" must="-" may="P" must-not="V,M" may-encrypt="-">
      <data type="DiameterIdentity"/>
    </avp>

    <avp name="Event-Timestamp" code="55" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Time"/>
    </avp>

    <avp name="Experimental-Result" code="297" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Grouped">
        <rule avp="Vendor-Id" required="true" max="1"/>
        <rule avp="Experimental-Result-Code" required="true" max="1"/>
      </data>
    </avp>

    <avp name="Experimental-Result-Code" code="298" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Unsigned32"/>
    </avp>

    <avp name="Failed-AVP" code="279" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Grouped"/>
    </avp>

    <avp name="Firmware-Revision" code="267" must="-" may="-" must-not="P,V,M" may-encrypt="-">
      <data type="Unsigned32"/>
    </avp>

    <avp name="Host-IP-Address" code="257" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Address"/>
    </avp>

    <avp name="Inband-Security-Id" code="299" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Unsigned32"/>
    </avp>

    <avp name="Multi-Round-Time-Out" code="272" must="M" may="P" must-not="V" may-encrypt="Y">
      <data type="Unsigned32"/>
    </avp>

    <avp name="Origin-Host" code="264" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="DiameterIdentity"/>
    </avp>

    <avp name="Origin-Realm" code="296" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="DiameterIdentity"/>
    </avp>

    <avp name="Origin-State-Id" code="278" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Unsigned32"/>
    </avp>

    <avp name="Product-Name" code="269" must="-" may="-" must-not="P,V,M" may-encrypt="-">
      <data type="UTF8String"/>
    </avp>

    <avp name="Proxy-Host" code="280" must="M" may="-" must-not="P,V" may-encrypt="-">
      <data type="DiameterIdentity"/>
    </avp>

    <avp name="Proxy-Info" code="284" must="M" may="-" must-not="P,V" may-encrypt="-">
      <data type="Grouped">
        <rule avp="Proxy-Host" required="true" max="1"/>
        <rule avp="Proxy-State" required="true" max="1"/>
      </data>
    </avp>

    <avp name="Proxy-State" code="33" must="M" may="-" must-not="P,V" may-encrypt="-">
      <data type="OctetString"/>
    </avp>

    <avp name="Redirect-Host" code="292" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="DiameterURI"/>
    </avp>

    <avp name="Redirect-Host-Usage" code="261" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Enumerated">
        <item code="0" name="DONT_CACHE"/>
        <item code="1" name="ALL_SESSION"/>
        <item code="2" name="ALL_REALM"/>
        <item code="3" name="REALM_AND_APPLICATION"/>
        <item code="4" name="ALL_APPLICATION"/>
        <item code="5" name="ALL_HOST"/>
        <item code="6" name="ALL_USER"/>
      </data>
    </avp>

    <avp name="Redirect-Max-Cache-Time" code="262" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Unsigned32"/>
    </avp>

    <avp name="Result-Code" code="268" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Unsigned32"/>
    </avp>

    <avp name="Route-Record" code="282" must="M" may="-" must-not="P,V" may-encrypt="-">
      <data type="DiameterIdentity"/>
    </avp>

    <avp name="Session-Id" code="263" must="M" may="P" must-not="V" may-encrypt="Y">
      <data type="UTF8String"/>
    </avp>

    <avp name="Session-Timeout" code="27" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Unsigned32"/>
    </avp>

    <avp name="Session-Binding" code="270" must="M" may="P" must-not="V" may-encrypt="Y">
      <data type="Unsigned32"/>
    </avp>

    <avp name="Session-Server-Failover" code="271" must="M" may="P" must-not="V" may-encrypt="Y">
      <data type="Enumerated">
        <item code="0" name="REFUSE_SERVICE"/>
        <item code="1" name="TRY_AGAIN"/>
        <item code="2" name="ALLOW_SERVICE"/>
        <item code="3" name="TRY_AGAIN_ALLOW_SERVICE"/>
      </data>
    </avp>

    <avp name="Supported-Vendor-Id" code="265" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Unsigned32"/>
    </avp>

    <avp name="Termination-Cause" code="295" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Enumerated">
        <item code="1" name="DIAMETER_LOGOUT"/>
        <item code="2" name="DIAMETER_SERVICE_NOT_PROVIDED"/>
        <item code="3" name="DIAMETER_BAD_ANSWER"/>
        <item code="4" name="DIAMETER_ADMINISTRATIVE"/>
        <item code="5" name="DIAMETER_LINK_BROKEN"/>
        <item code="6" name="DIAMETER_AUTH_EXPIRED"/>
        <item code="7" name="DIAMETER_USER_MOVED"/>
        <item code="8" name="DIAMETER_SESSION_TIMEOUT"/>
      </data>
    </avp>

    <avp name="User-Name" code="1" must="M" may="P" must-not="V" may-encrypt="Y">
      <data type="UTF8String"/>
    </avp>

    <avp name="Vendor-Id" code="266" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Unsigned32"/>
    </avp>

    <avp name="Vendor-Specific-Application-Id" code="260" must="M" may="P" must-not="V" may-encrypt="-">
      <data type="Grouped">
        <rule avp="Vendor-Id" required="false" max="1"/>
        <rule avp="Auth-Application-Id" required="true" max="1"/>
        <rule avp="Acct-Application-Id" required="true" max="1"/>
      </data>
    </avp>

  </application>
</diameter>`)

DefaultXML is an embedded version of the Diameter Base Protocol.

Copy of diam_base.xml

Functions

This section is empty.

Types

type AVP 

type AVP struct {
	Name       string `xml:"name,attr"`
	Code       uint32 `xml:"code,attr"`
	Must       string `xml:"must,attr"`
	May        string `xml:"may,attr"`
	MustNot    string `xml:"must-not,attr"`
	MayEncrypt string `xml:"may-encrypt,attr"`
	Data       Data   `xml:"data"`
	App        *App   `xml:"none"` // Link back to diameter application
}

AVP represents a dictionary AVP that is loaded from XML.

type App 

type App struct {
	Id     uint32    `xml:"id,attr"`   // Application Id
	Type   string    `xml:"type,attr"` // Application type
	Name   string    `xml:"name,attr"` // Application name
	Vendor []*Vendor `xml:"vendor"`    // Support for multiple vendors
	CMD    []*CMD    `xml:"command"`   // Diameter commands
	AVP    []*AVP    `xml:"avp"`       // Each application support multiple AVPs
}

App defines a diameter application in XML and its multiple AVPs.

type CMD 

type CMD struct {
	Code    uint32  `xml:"code,attr"`
	Name    string  `xml:"name,attr"`
	Short   string  `xml:"short,attr"`
	Request CMDRule `xml:"request"`
	Answer  CMDRule `xml:"answer"`
}

CMD defines a diameter command (CE, CC, etc)

type CMDRule 

type CMDRule struct {
	Rule []*Rule `xml:"rule"`
}

type Data 

type Data struct {
	Type     datatypes.DataTypeId `xml:"-"`
	TypeName string               `xml:"type,attr"`
	Enum     []*Enum              `xml:"item"` // In case of Enumerated AVP data
	Rule     []*Rule              `xml:"rule"` // In case of Grouped AVPs
}

Data of an AVP can be EnumItem or a Parser of multiple AVPs.

type Enum 

type Enum struct {
	Code uint8  `xml:"code,attr"`
	Name string `xml:"name,attr"`
}

type File 

type File struct {
	XMLName xml.Name `xml:"diameter"`
	App     []*App   `xml:"application"` // Support for multiple applications
}

File is the dictionary root element of a XML file. See diam_base.xml.

type Parser 

type Parser struct {
	// contains filtered or unexported fields
}

Parser is the root element for dictionaries and supports multiple XML dictionary files loaded together. Diameter applications use dictionaries to parse messages received from peers as well as to encode crafted messages before sending them over the wire.

Parser can load multiple XML dictionary files, which in turn support multiple applications that are composed by multiple AVPs.

The Parser element has an index to make pre-loaded AVPs searcheable per App. 

var Default *Parser

Default is a static Parser with a pre-loaded Base Protocol.

func NewParser 

func NewParser(filename ...string) (*Parser, error)

New allocates a new Parser optionally loading dictionary XML files.

func (Parser) Apps 

func (p Parser) Apps() []*App

Apps return a list of all applications loaded in the Dict instance.

func (Parser) Enum 

func (p Parser) Enum(appid, code uint32, n uint8) (*Enum, error)

Enum is a helper function that returns a pre-loaded Enum item for the given AVP appid, code and n. (n is the enum code in the dictionary)

func (Parser) FindAVP 

func (p Parser) FindAVP(appid uint32, code interface{}) (*AVP, error)

FindAVP is a helper function that returns a pre-loaded AVP from the Dict. If the AVP code is not found in the given appid it tries with appid=0 before returning an error. @code can be either the AVP code (int, uint32) or name (string).

func (Parser) FindCMD 

func (p Parser) FindCMD(appid, code uint32) (*CMD, error)

FindCmd is a helper function that returns a pre-loaded CMD from the Dict.

func (*Parser) Load 

func (p *Parser) Load(r io.Reader) error

Load loads a dictionary from byte array. May be used multiple times.

func (*Parser) LoadFile 

func (p *Parser) LoadFile(filename string) error

LoadFile loads a dictionary XML file. May be used multiple times.

func (Parser) Rule 

func (p Parser) Rule(appid, code uint32, n string) (*Rule, error)

Rule is a helper function that returns a pre-loaded Rule item for the given AVP code and name.

func (Parser) ScanAVP 

func (p Parser) ScanAVP(code interface{}) (*AVP, error)

ScanAVP is a helper function that returns a pre-loaded AVP from the Dict. It's similar to FindAPI except that it scans the list of available AVPs instead of looking into one specific appid. @code can be either the AVP code (uint32) or name (string).

func (Parser) String 

func (p Parser) String() string

String returns the Dict in a human readable form.

type Rule 

type Rule struct {
	AVP      string `xml:"avp,attr"` // AVP Name
	Required bool   `xml:"required,attr"`
	Min      int    `xml:"min,attr"`
	Max      int    `xml:"max,attr"`
}

type Vendor 

type Vendor struct {
	Id   uint32 `xml:"id,attr"`
	Name string `xml:"name,attr"`
}

Vendor defines diameter vendors in XML, that can be used to translate the VendorId AVP of incoming messages.

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