sample_server2.cxx

Diameter协议栈

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// victor fajardo: simple sample server 

#include "diameter_api.h"

class AAA_SampleServer : public AAA_ServerAuthSession {
        // AAA serve session derived from AAA_ServerAuthSession.
        // It provides for all the functionality of a diameter 
        // server session. Note that the server session factory
        // is responsible for instantiating this object
    public:
        AAA_SampleServer(AAA_Task &task,
                         diameter_unsigned32_t id,
                         bool endOnSuccess = false) :
           AAA_ServerAuthSession(task, id),
           m_EndOnSuccess(endOnSuccess) {
        }
        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_NO_STATE_MAINTAINED;
        }
        virtual void SetSessionTimeout
        (AAA_ScholarAttribute<diameter_unsigned32_t> &timeout)
        {
            // optional override, called by the library so 
            // this server can dictate the session timeout 
            // to the client. 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 server can dictate the session timeout 
            // to the client. If not overridden, the value 
            // in the config file is used
            timeout = 2;
        }
        virtual void SetAuthGracePeriodTimeout
        (AAA_ScholarAttribute<diameter_unsigned32_t> &timeout)
        {
            // optional override, called by the library so 
            // this server can dictate the auth grace period
            // to the client. If not overridden, the value 
            // in the config file is used
            timeout = 2;
        }
        virtual AAAReturnCode ReAuthenticate(diameter_unsigned32_t rcode) {
            // optional override, called by the library so 
            // this server is informed that the client has
            // responded to the server initiated re-auth
            // request. The result code from the client
            // is passed as a parameter to this funciton.
            AAA_LOG(LM_INFO, "(%P|%t) **** client responded to re-auth ****\n");
            return (AAA_ERR_SUCCESS);
        }
        virtual AAAReturnCode RequestMsg(AAAMessage &msg) {

            // all request 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) Request 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);
            AAA_EnumAvpContainerWidget reAuthAvp(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);
            diameter_enumerated_t *reAuth = reAuthAvp.GetAvp(AAA_AVPNAME_REAUTHREQTYPE);

            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 (reAuth) {
                AAA_LOG(LM_INFO, "(%P|%t) Re-Auth Request type: %d\n", *reAuth);
	    }

            // Send answer back
            return TxAuthenticationAnswer();
        }
        virtual AAAReturnCode AnswerMsg(AAAMessage &msg) {
            // all answer messages are handled by this function.
            // AAA servers normally will receive answer messages
            // in the open state

            // all answer messages are handled by this function. 
            // This function can retrun the following values:
            // a. AAA_ERR_SUCCESS - client has successfully responded
            //                      to server request
            // b. AAA_ERR_FAILURE - client failed. 
            AAA_LOG(LM_INFO, "(%P|%t) **** Answer message message received in server ****\n");
            AAA_MsgDump::Dump(msg);
            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");
            if (m_EndOnSuccess) {
                End();
	    }
            else {
                // test server re-auth
                // ReAuth(AAA_SESSION_AUTHORIZE_AUTHENTICATE);
	    }
            return (AAA_ERR_SUCCESS);
        }
        virtual AAAReturnCode Disconnect() {
            // notification of completed STR/STA exchange
            AAA_LOG(LM_INFO, "(%P|%t) **** session disconnecting ****\n");
            return (AAA_ERR_SUCCESS);
        }
        virtual AAAReturnCode SessionTimeout() {
            // notification of session timeout
            AAA_LOG(LM_INFO, "(%P|%t) **** session timeout ****\n");
            return (AAA_ERR_SUCCESS);
        }
        virtual AAAReturnCode AuthorizationTimeout() {
            // notification of auth lifetime timeout
            AAA_LOG(LM_INFO, "(%P|%t) **** auth timeout ****\n");
            return (AAA_ERR_SUCCESS);
        }
        virtual AAAReturnCode AbortSession() {
            // notification of completed ASR/ASA exchange
            AAA_LOG(LM_INFO, "(%P|%t) **** session aborted by server ****\n");
            return (AAA_ERR_SUCCESS);
        }
        AAAReturnCode TxAuthenticationAnswer() {
            std::cout << "Sending answer message" << std::endl;

            AAA_MsgWidget msg(300, false, 10000);

            AAA_UInt32AvpWidget authIdAvp(AAA_AVPNAME_AUTHAPPID);
            AAA_Utf8AvpWidget unameAvp(AAA_AVPNAME_USERNAME);

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

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

            AAA_MsgResultCode rcode(*msg());
            rcode.ResultCode(AAA_SUCCESS);

            Send(msg());
            return (AAA_ERR_SUCCESS);
        }
    private:
        bool m_EndOnSuccess;
};

// Server session factory. Unlike AAA clients, server
// sessions need to be created on demand. This factory
// is responsible for creating new server sessions
// based on incomming new request.
typedef AAA_ServerSessionAllocator<AAA_SampleServer> 
        SampleServerAllocator;

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

   // Application core is responsible for providing
   // peer connectivity between AAA entities
   AAA_Application appCore(task, "config/isp.local.xml");
   SampleServerAllocator allocator(task, 10000);
   appCore.RegisterServerSessionFactory(allocator);

   while (true) {
      std::cout << "Just wait here and let factory take care of new sessions" << std::endl;
      ACE_OS::sleep(10);
   }

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