diameter_mip4_ha_client_interface.hxx

Diameter协议栈

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/* 
   diameter_mip_ha_client_interface.hxx
   Diameter MIP HA client interfacece
   Written by Miriam Tauil
   Created July 11, 2004.
*/

#ifndef __DIAMETER_MIP_HA_CLIENT_INTERFACE_H__
#define __DIAMETER_MIP_HA_CLIENT_INTERFACE_H__
#include "diameter_parser_api.h"
#include "diameter_mip4_ha_client_session.hxx"
#include "mip4_diameter_ha_client_interface.hxx"

/*************************************************************************
  The HA Client class specifies an interface of a MIP Home Agent implementation.
  Once the HA implementation is implemented with the following interface, 
  the Diameter MIP HA sample application, will provide a HA implementation
  supporting the Diameter MIP Application.

 **************************************************************************/


class HaClientSession {
   private:

     Mip4DiameterHaClientInterface &_session;

    public:

      HaClientSession( Mip4DiameterHaClientInterface &s):_session(s){}
        
      virtual ~HaClientSession(){}

      // SendMipRegReplay will be called by the diameter-mip4 lib and MUST be 
      // implemented by the MIP ha implementation.
      // diameter lib will provide the information from AMA reply to 
      // the MIP HA client implementation. MIP Ha will use this info to 
      // create a Mip replay, will do the address binding(if applicable, 
      //AMA response was positive), and send it to the MN.
      virtual void SendMipRegReply(diameter_unsigned32_t &amaResultCode)=0;

      // the derrived class containing the specific MIP HA Client 
      // implementation MUST
      // call LocalRxMipRegReq() when it accepts the MIP registration request
      // with the content of the request.
      // This is a callback function that will notify the diameter library
      // about the event and will propagate the content of the received message
      void LocalRxMipRegReq( diameter_octetstring_t &mipRegReq) 
      {
         _session.RxMipRegReq( mipRegReq);
      }

      // The derrived class will use this interface function to reset any local
      // variables, so the specificMipHaClient object can be reuse, 
      //for a different future mip session.
      // Note: the reference to the Mip4DiameterHaClientInterface does not
      // need to be reset, since it will be reuse as well.
      virtual AAAReturnCode Reset(){ return AAA_ERR_SUCCESS; }
  
  /** The following functions will set the passed variable to contain 
       the value from the MIP reg Request, if the value cannot be set 
	       return 0,
	       otherwise return 1
  **/

  /*** mandatory AMR attributes  ***/

  // UserName: if "Home Address" from MIP Registration is not 0.0.0.0 -> 
  // Home address
  //	- otherwise NAI extension should be in MIP REgistration and ...
  virtual int SetUserName ( diameter_utf8string_t &UserName) = 0;
		
  // SetDestinationRealm based on Home AAA server NAI 
  virtual int SetDestinationRealm ( diameter_identity_t &DestinationRealm) = 0;

  
  //  the following are used to set MipMnAaaAuth                      
  virtual int SetMipMnAaaSpi( diameter_unsigned32_t *mnAaaSpi)=0;
  virtual int SetMipAuthInputDataLength( 
			     diameter_unsigned32_t *authInputDataLength)=0;
  virtual int SetMipAuthenticatorLength(
			     diameter_unsigned32_t *authenticatorLength)=0;
  virtual int SetMipAuthenticatorOffset( 
			     diameter_unsigned32_t *authenticatorOffset)=0;

  /*** optional AMR attributes - start here ***/
		
  // From Home AAA server NAI 
  virtual int SetDestinationHost (diameter_identity_t &DestinationHost )=0;
  //"Home Address" mobile node's home IP address = type address
  virtual int SetMipMobileNodeAddress( diameter_address_t &MipMobileNodeAddress)=0; 
  // "Home Agent" mobile node's home agent IP address = type address
  virtual int SetMipHomeAgentAddress( diameter_address_t &MipHomeAgentAddress)=0;

  // IsMnHaKeyRequested() needed to setup flags for  MipFeatureVector 
  // return 1 if MN_HA keye was requested in MIP reg req
  // return 0 - otherwise
  virtual int IsMnHaKeyRequested()=0;
                   
  //"Lifetime" in MIP reg header
  virtual int SetAuthorizationLifetime( diameter_unsigned32_t *AuthorizationLifetime)=0;

  // dynamic host AVP 
  // virtual int SetMipCandidateHomeAgentHost( diameter_identity_t CandidateHomeAgentHost)=0;

  // Home Agent NAI Or 
  // Home Agent field provides IP address+DNS host name lookup ??
  virtual int SetMipHomeAgentHost(diameter_identity_t &HomeAgentHost)=0;

  // Enforce/Propagate parameters that are coming back in the AMA message   
  // to the MIP Agent

  //If the MH supports security features, it should implement the following
  // virtual function, in order to make use of the security parameters 
  // generated for this session.
  virtual void EnforceMipMnToFaMsa
  (const mip_mn_to_fa_msa_info_t &mipMnToFaMsa){}

  virtual void EnforceMipMnToHaMsa
  ( const mip_mn_to_ha_msa_info_t &mipMnToHaMsa){}

  virtual void EnforceMipFaToMnMsa
  ( const mip_fa_to_mn_msa_info_t &mipFaToMnMsa){}

  virtual void EnforceMipFaToHaMsa
  ( const mip_fa_to_ha_msa_info_t &mipFaToHaMsa){}

  virtual void EnforceMipHaToMnMsa 
  ( const mip_ha_to_mn_msa_info_t &mipHaToMnMsa){}

  virtual void EnforceMipMsaLifetime 
  ( const diameter_unsigned32_t &mipMsaLifetime){}

  // HA to get the AMA error message
  virtual void EnforceErrorMessage(const diameter_utf8string_t &errorMessage){}
  
};
 
#endif  // __DIAMETER_MIP_HA_CLIENT_INTERFACE_H__