sample_client2.cxx

Diameter协议栈

/* BEGIN_COPYRIGHT                                                        */
/*                                                                        */
/* Open Diameter: Open-source software for the Diameter and               */
/*                Diameter related protocols                              */
/*                                                                        */
/* Copyright (C) 2002-2004 Open Diameter Project                          */
/*                                                                        */
/* This library is free software; you can redistribute it and/or modify   */
/* it under the terms of the GNU Lesser General Public License as         */
/* published by the Free Software Foundation; either version 2.1 of the   */
/* License, or (at your option) any later version.                        */
/*                                                                        */
/* This library is distributed in the hope that it will be useful,        */
/* but WITHOUT ANY WARRANTY; without even the implied warranty of         */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU      */
/* Lesser General Public License for more details.                        */
/*                                                                        */
/* You should have received a copy of the GNU Lesser General Public       */
/* License along with this library; if not, write to the Free Software    */
/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307    */
/* USA.                                                                   */
/*                                                                        */
/* In addition, when you copy and redistribute some or the entire part of */
/* the source code of this software with or without modification, you     */
/* MUST include this copyright notice in each copy.                       */
/*                                                                        */
/* If you make any changes that are appeared to be useful, please send    */
/* sources that include the changed part to                               */
/* [e-mail] so that we can reflect your  */
/* changes to one unified version of this software.                       */
/*                                                                        */
/* END_COPYRIGHT                                                          */

// victor fajardo: sample client 

#include "diameter_api.h"

class AAA_SampleClient : public AAA_ClientAuthSession {
        // AAA client session derived from AAA_ClientAuthSession.
        // It provides for all the functionality of a diameter 
        // client session. Note that the application is responsible
        // for instantiating this object
    public:
        AAA_SampleClient(AAA_Task &task,
                         diameter_unsigned32_t id,
                         int howManyMsg = 1) :
            AAA_ClientAuthSession(task, id),
            m_HowManyMsg(howManyMsg),
            m_Success(false),
            m_Disconnected(false) {
        }
        virtual void SetAuthSessionState
        (AAA_ScholarAttribute<diameter_unsigned32_t> &authState)
        {
            // optional override, called by the library to set 
            // the auth state. Note that this overrides the 
            // settings in the configuration file or applications 
            // sending an auth session state AVP
            authState = AAA_SESSION_STATE_MAINTAINED;
        }
        virtual void SetDestinationHost
        (AAA_ScholarAttribute<diameter_identity_t> &dHost)
        {
            // optional override, called by the library to 
            // set the destination host. Note that this 
            // overrides applications sending a destination
            // host AVP
            dHost = "server.isp.net";
        }
        virtual void SetDestinationRealm
        (AAA_ScholarAttribute<diameter_identity_t> &dRealm)
        {
            // optional override, called by the library 
            // to set the destination realm. Note that 
            // this overrides applications sending a 
            // destination realm AVP
            dRealm = "isp.net";
        }
        virtual void SetSessionTimeout
        (AAA_ScholarAttribute<diameter_unsigned32_t> &timeout)
        {
            // optional override, called by the library so 
            // this client can send a hint to the server 
            // about the session timeout it prefers. If not
            // overridden, the value in the config file
            // is used
            timeout = 30;
        }
        virtual void SetAuthLifetimeTimeout
        (AAA_ScholarAttribute<diameter_unsigned32_t> &timeout)
        {
            // optional override, called by the library so 
            // this client can send a hint to the server 
            // about the auth lifetime it prefers. If not
            // overridden, the value in the config file
            // is used
            timeout = 29;
        }
        virtual AAAReturnCode ReAuthenticate(diameter_unsigned32_t type) {
            // optional override, called by the library so 
            // this client is informed about a re-auth request
            // initiated by the server. Note that the client
            // must return a valid result-code when exiting
            // this function
            AAA_LOG(LM_INFO, "(%P|%t) **** server re-authentication ****\n");
            return (AAAReturnCode)(AAA_SUCCESS);
        }
        virtual AAAReturnCode RequestMsg(AAAMessage &msg) {
            // all request messages are handled by this function.
            // AAA clients normally will receive request message
            // in the open state

            // all request messages are handled by this function. 
            // This function can retrun the following values:
            // a. AAA_ERR_SUCCESS - client is successfully responded
            //                      to server request
            // b. AAA_ERR_FAILURE - client failed. 
            AAA_LOG(LM_INFO, "(%P|%t) **** Request message message received in client ****\n");
            AAA_MsgDump::Dump(msg);
            return (AAA_ERR_SUCCESS);
        }
        virtual AAAReturnCode AnswerMsg(AAAMessage &msg) {

            // all answer messages are handled by this function. 
            // This function can retrun the following values:
            // a. AAA_ERR_SUCCESS - client is successfully authenticated
            // b. AAA_ERR_INCOMPLETE - auth not yet completed, muti-round 
            //                         message trip exchange
            // c. AAA_ERR_FAILURE - client authentication failed

            AAA_LOG(LM_INFO, "(%P|%t) Answer message received\n");
            AAA_MsgDump::Dump(msg);

            AAA_IdentityAvpContainerWidget oHostAvp(msg.acl);
            AAA_IdentityAvpContainerWidget oRealmAvp(msg.acl);
            AAA_Utf8AvpContainerWidget uNameAvp(msg.acl);
            AAA_UInt32AvpContainerWidget authAppIdAvp(msg.acl);

            diameter_identity_t *host = oHostAvp.GetAvp(AAA_AVPNAME_ORIGINHOST);
            diameter_identity_t *realm = oRealmAvp.GetAvp(AAA_AVPNAME_ORIGINREALM);
            diameter_utf8string_t *uname = uNameAvp.GetAvp(AAA_AVPNAME_USERNAME);
            diameter_unsigned32_t *authAppId = authAppIdAvp.GetAvp(AAA_AVPNAME_AUTHAPPID);

            if (host) {
                AAA_LOG(LM_INFO, "(%P|%t) From Host: %s\n", host->data());
            }
            if (realm) {
                AAA_LOG(LM_INFO, "(%P|%t) From Realm: %s\n", realm->data());
            }
            if (uname) {
                AAA_LOG(LM_INFO, "(%P|%t) From User: %s\n", uname->data());
            }
            if (authAppId) {
                AAA_LOG(LM_INFO, "(%P|%t) Auth Application Id: %d\n", *authAppId);
            }

            if ((-- m_HowManyMsg) > 0) {
		TxAuthenticationRequest();
                return (AAA_ERR_INCOMPLETE);
	    }
            return (AAA_ERR_SUCCESS);
        }
        virtual AAAReturnCode ErrorMsg(AAAMessage &msg) {
            // all error messages are handled by this function.
            AAA_LOG(LM_INFO, "(%P|%t) **** Received message with error bit set ****\n");
            return (AAA_ERR_SUCCESS);
	}
        virtual AAAReturnCode Success() {
            // notification of successful auth
            AAA_LOG(LM_INFO, "(%P|%t) **** user authorized ****\n");
            m_Success = true;
            return (AAA_ERR_SUCCESS);
        }
        virtual AAAReturnCode Disconnect() {
            // notification of completed STR/STA exchange
            AAA_LOG(LM_INFO, "(%P|%t) **** session disconnecting ****\n");
            m_Disconnected = true;
            return (AAA_ERR_SUCCESS);
        }
        virtual AAAReturnCode SessionTimeout() {
            // notification of session timeout
            AAA_LOG(LM_INFO, "(%P|%t) **** session timeout ****\n");
            m_Disconnected = true;
            return (AAA_ERR_SUCCESS);
        }
        virtual AAAReturnCode AuthorizationTimeout() {
            // notification of auth lifetime timeout
            AAA_LOG(LM_INFO, "(%P|%t) **** auth timeout ****\n");
            m_Disconnected = true;
            return (AAA_ERR_SUCCESS);
        }
        virtual AAAReturnCode AbortSession() {
            // notification of completed ASR/ASA exchange
            AAA_LOG(LM_INFO, "(%P|%t) **** session aborted by server ****\n");
            m_Disconnected = true;
            return (AAA_ERR_SUCCESS);
        }
        AAAReturnCode TxAuthenticationRequest() {
            std::cout << "Sending request message" << std::endl;

            // sample of how to compose a message using parser widgets

            AAA_MsgWidget msg(300, true, 10000);

            AAA_UInt32AvpWidget authIdAvp(AAA_AVPNAME_AUTHAPPID);
            AAA_Utf8AvpWidget unameAvp(AAA_AVPNAME_USERNAME);
            AAA_EnumAvpWidget reAuthAvp(AAA_AVPNAME_REAUTHREQTYPE);

            authIdAvp.Get() = 10000; // my application id
            unameAvp.Get() = "[e-mail]";
            reAuthAvp.Get() = 1;

            msg()->acl.add(authIdAvp());
            msg()->acl.add(unameAvp());
            msg()->acl.add(reAuthAvp());

            Send(msg());
            return (AAA_ERR_SUCCESS);
        }
        bool UserAuthorized() {
            return m_Success;
	}
        bool SessionDisconnected() {
            return m_Disconnected;
	}
    private:
        int m_HowManyMsg;
        bool m_Success;
        bool m_Disconnected;
};

class PeerEventHandler : 
   public AAA_PeerFsmUserEventInterface
{
   public:
      virtual void PeerFsmConnected() {
         AAA_LOG(LM_INFO, "(%P|%t) **** peer is now connected ****\n");
      }
      virtual void PeerFsmDisconnected(int cause) {
         AAA_LOG(LM_INFO, "(%P|%t) **** peer is now disconnected: %d ****\n",
                 cause);
      }
      virtual void PeerFsmError(PFSM_EV_ERR err) {
         AAA_LOG(LM_INFO, "(%P|%t) **** peer is now disconnected: %d ****\n",
                 err);
         switch (err) {
            case PFSM_EV_ERR_CONN_NACK:
               break;
            case PFSM_EV_ERR_TIMEOUT_OR_NONCEA:
               break;
         }
      }
};

int main(int argc, char *argv[])
{
   AAA_Task task;
   task.Start(5);

   int msgCountPerSession = 3; //10000;
   char *cfgFile = "config/nas1.local.xml";

   if (argc == 2) {
       cfgFile = argv[1];
   }
   else if (argc == 3) {
       cfgFile = argv[1];
       msgCountPerSession = (atoi(argv[2]) > 0) ? 
	      atoi(argv[2]) : msgCountPerSession;
   }
   else if (argc > 2) {
       std::cout << "Usage: aaa_sample_client2 [config file] [num message]\n" 
                 << std::endl;
       exit(0);
   }

   // Application core is responsible for providing
   // peer connectivity between AAA entities
   AAA_Application appCore(task);
   if (appCore.Open(cfgFile) == AAA_ERR_SUCCESS) {

       /// Example of connecting dynamically 
       //  to peers not in the peer table. It
       //  also shows how to register an event
       //  handler to a peer entry. The event
       //  handler can be registered to any peer
       //  wether static or dynamic
       PeerEventHandler peerhandler;
       AAA_Peer *dyncPeer = NULL;
       std::string peername("dynamic.peer.com");
       AAA_PeerManager peerMngr(task);
       if (peerMngr.Add(peername, // hostname of peer to connect to
                        1812,     // port number of host
                        false,    // tls support
                        50,
                        false)) {
          // If a dynamic peer is successfully created
          // then register a peer handler and start the
          // peer
          dyncPeer = peerMngr.Lookup(peername);
          dyncPeer->RegisterUserEventHandler(peerhandler);
          dyncPeer->Start();
       }
       else {       
          AAA_LOG(LM_INFO, "(%P|%t) **** failed to create dynamic peer: %s***\n",
                  peername.data());
       }


       /// Wait for connectivity
       do {
           std::cout << "Waiting till this AAA has connectivity" << std::endl;
           ACE_OS::sleep(1);
       } while (appCore.NumActivePeers() == 0);

       /// send the client request
       AAA_SampleClient client(task, 1, msgCountPerSession);
       client.Begin("my_client");
       client.TxAuthenticationRequest();

       /// wait till user is authorized
       do {
           std::cout << "Waiting till user is authorized" << std::endl;
           ACE_OS::sleep(1);
       } while (! client.UserAuthorized());

       client.End();

       /// wait till user is disconnected, this is to make sure
       /// 'client' object is not deleted before STR/STA exchange
       //  completes
       do {
           std::cout << "Waiting till user is disconnected" << std::endl;
           ACE_OS::sleep(1);
       } while (! client.SessionDisconnected());

       if (dyncPeer) {
           /// optinal way of disconnecting 
           dyncPeer->RemoveUserEventHandler();
           dyncPeer->Stop(AAA_DISCONNECT_DONTWANTTOTALK);
       }
   }

   appCore.Close();
   task.Stop();
   return (0);
}