/sipsorcery-core/SIPSorcery.Web.Services/CallManager/CallManagerPassThruService.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.ServiceModel;

using System.ServiceModel.Channels;

using System.Text;

using System.Threading;

using SIPSorcery.SIP.App;

using SIPSorcery.Sys;

using log4net;



namespace SIPSorcery.Web.Services

{



    public class CallManagerPassThruService : ICallManagerServices

    {

        private const int OPERATION_TIMEOUT = 5000;



        private static ILog logger = AppState.logger;



        private CallManagerProxy m_callManagerClient;

        private ISIPCallDispatcher m_sipCallDispatcher;



        public CallManagerPassThruService()

        {

            m_callManagerClient = new CallManagerProxy();

        }



        public CallManagerPassThruService(ISIPCallDispatcher sipCallDispatcher)

        {

            m_sipCallDispatcher = sipCallDispatcher;

        }



        public bool IsAlive()

        {

            try

            {

                logger.Debug("CallManagerPassThruService IsAlive.");



                CallManagerProxy client = (m_sipCallDispatcher != null) ? m_sipCallDispatcher.GetCallManagerClient() : m_callManagerClient;



                if (client != null)

                {

                    logger.Debug("Sending isalive request to client endpoint at " + client.Endpoint.Address.ToString() + ".");

                    return client.IsAlive();

                }

                else

                {

                    throw new ApplicationException("Call Manager Pass Thru service could not create a client.");

                }

            }

            catch (Exception excp)

            {

                logger.Error("Exception CallManagerPassThruService IsAlive. " + excp.Message);

                return false;

            }

        }



        public string WebCallback(string username, string number)

        {

            try

            {

                logger.Debug("CallManagerPassThruService WebCallback, username=" + username + ", number=" + number + ".");



                CallManagerProxy client = (m_sipCallDispatcher != null) ? m_sipCallDispatcher.GetCallManagerClient() : m_callManagerClient;



                if (client != null)

                {

                    logger.Debug("Sending WebCallback request to client endpoint at " + client.Endpoint.Address.ToString() + ".");

                    return client.WebCallback(username, number);

                }

                else

                {

                    throw new ApplicationException("Call Manager Pass Thru service could not create a client.");

                }

            }

            catch (Exception excp)

            {

                logger.Error("Exception CallManagerPassThruService WebCallback. " + excp.Message);

                return "Sorry there was an unexpected error, the web callback was not initiated.";

            }

        }



        public string BlindTransfer(string username, string destination, string replacesCallID)

        {

            try

            {

                logger.Debug("CallManagerPassThruService BlindTransfer, username=" + username + ", destination=" + destination + ".");



                CallManagerProxy client = (m_sipCallDispatcher != null) ? m_sipCallDispatcher.GetCallManagerClient() : m_callManagerClient;



                if (client != null)

                {

                    logger.Debug("Sending BlindTransfer request to client endpoint at " + client.Endpoint.Address.ToString() + ".");

                    return client.BlindTransfer(username, destination, replacesCallID);

                }

                else

                {

                    throw new ApplicationException("Call Manager Pass Thru service could not create a client.");

                }

            }

            catch (Exception excp)

            {

                logger.Error("Exception CallManagerPassThruService BlindTransfer. " + excp.Message);

                return "Sorry there was an unexpected error, the blind transfer was not initiated.";

            }

        }



        public string DualTransfer(string username, string callID1, string callID2)

        {

            try

            {

                logger.Debug("CallManagerPassThruService DualTransfer, callID1=" + callID1 + ", callID2=" + callID2 + ".");



                CallManagerProxy client = (m_sipCallDispatcher != null) ? m_sipCallDispatcher.GetCallManagerClient() : m_callManagerClient;



                if (client != null)

                {

                    logger.Debug("Sending DualTransfer request to client endpoint at " + client.Endpoint.Address.ToString() + ".");

                    return client.DualTransfer(username, callID1, callID2);

                }

                else

                {

                    throw new ApplicationException("Call Manager Pass Thru service could not create a client.");

                }

            }

            catch (Exception excp)

            {

                logger.Error("Exception CallManagerPassThruService DualTransfer. " + excp.Message);

                return "Sorry there was an unexpected error, the dual transfer was not initiated.";

            }

        }

    }

}