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SmartDeviceClient/SmartProtocolStack/RemoteHost/RemoteHostComms.cs

00001 using System;
00002 using System.Collections;
00003 
00004 
00005 namespace GPRSWeb.SmartDeviceClient.SmartProtocolStack.RemoteHost
00006 {
00011         public class RemoteHostComms {
00012                 private ReceiveQueue incomingSegementQueue;
00013                 private TransmissionQueue transmissionQueue;
00014                 private SegmentTransmitter segmentTransmitter;
00015                 private NACKManager nackManager;
00016                 private ACKManager ackManager;
00017                 private SequenceManager sequenceManager;
00018                 private RateManager rateManager; 
00019                 private MessageAssembly messageAssembly;
00020                 private RetransmissionBuffer retransmissionBuffer;
00021                 internal StackInterface thisStack;
00022 
00023                 internal bool readyToSendUserData;
00024 
00025                 public RemoteHostComms(StackInterface thisStack, ushort remoteDeviceID) {
00026                         this.thisStack = thisStack;
00027                         RemoteDeviceID = remoteDeviceID;
00028                         incomingSegementQueue = new ReceiveQueue(this);
00029                         transmissionQueue = new TransmissionQueue();
00030                         segmentTransmitter = new SegmentTransmitter(this);
00031                         nackManager = new NACKManager(this);
00032                         ackManager = new ACKManager(this);
00033                         sequenceManager = new SequenceManager(nackManager);
00034                         rateManager = new RateManager(this);
00035                         retransmissionBuffer = new RetransmissionBuffer(sequenceManager);
00036                         messageAssembly = new MessageAssembly(this);
00037                 }
00038                 
00039                 private int remoteDeviceID = -1;
00040 
00044                 public void Start() {
00045                         Console.WriteLine("Starting Remote Host Comms with remote host {0} ...", remoteDeviceID);
00046                         readyToSendUserData = false;
00047                         messageAssembly.Start();
00048                         incomingSegementQueue.Start();
00049                         segmentTransmitter.Start();
00050                         ackManager.StartAckableGenerator();
00051                         Console.WriteLine("... Remote Host Comms with remote host {0} Started", remoteDeviceID);
00052                 }
00053 
00054                 public void Stop() {
00055                         Console.WriteLine("Stopping Remote Host Comms with remote host {0} ...", remoteDeviceID);
00056                         ackManager.StopAckableGenerator();
00057                         segmentTransmitter.Stop();
00058                         incomingSegementQueue.Stop();
00059                         messageAssembly.Stop();
00060                         Console.WriteLine("... Remote Host Comms with remote host {0} Stopped", remoteDeviceID);
00061                 }
00062 
00063                 public void ResetConnection() {
00064                         Console.WriteLine("Reseting Remote Host Comms with remote host {0} ...", remoteDeviceID);
00065                         readyToSendUserData = false;
00066                         transmissionQueue.ResetConnection();
00067                         nackManager.ResetConnections();
00068                         ackManager.ResetConnection();
00069                         sequenceManager.ResetConnection();
00070                         rateManager.ResetConnection();
00071                         retransmissionBuffer.ResetConnection();
00072                         Console.WriteLine("... Remote Host Comms with remote host {0} Reset", remoteDeviceID);
00073                 }
00074 
00075                 public ushort RemoteDeviceID {
00076                         get { if (remoteDeviceID != -1) {
00077                                           return (ushort)remoteDeviceID;
00078                                   } else {
00079                                           throw new ApplicationException("Unable to return remote device ID - no remote device ID set");
00080                                   }
00081                         }
00082                         set { remoteDeviceID = value; }
00083                 }
00084 
00085                 public void AcceptIncomingSegment(Segment incomingSegment) {
00086                         incomingSegementQueue.EnqueueBlocking(incomingSegment); // Can we do better than this?
00087                 }
00088         
00089 
00091                 public NACKManager NackManager {
00092                         get { return nackManager; }
00093                         set { nackManager = value; }
00094                 }
00095 
00096                 public ACKManager AckManager {
00097                         get { return ackManager; }
00098                         set { ackManager = value; }
00099                 }
00100 
00101                 public SequenceManager SeqManager {
00102                         get { return sequenceManager; }
00103                         set { sequenceManager = value; }
00104                 }
00105 
00106                 public RateManager RateManager {
00107                         get { return rateManager; }
00108                         set { rateManager = value; }
00109                 }
00110 
00111 
00112                 public RetransmissionBuffer RetransmissionBuffer {
00113                         get {return retransmissionBuffer; }
00114                         set {retransmissionBuffer = value; }
00115                 }
00116 
00120                 public TransmissionQueue TxQueue {
00121                         get { return transmissionQueue; }
00122                         set { transmissionQueue = value; }
00123                 }
00124 
00125                 public MessageAssembly MessageAssembler {
00126                         get { return messageAssembly; }
00127                         set { messageAssembly = value; }
00128                 }
00129 
00130 
00131 
00132 
00133         }
00134 }

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