public override void DoRequest(DataPacket packet, PBCaGw.Workers.WorkerChain chain, DataPacketDelegate sendData)
{
/*DataPacket newPacket = (DataPacket)packet.Clone();
newPacket.Destination = packet.Sender;
newPacket.DataType = 0;
newPacket.DataCount = Gateway.CA_PROTO_VERSION;
SendData(newPacket);*/
}
static void splitter_ReceiveData(PBCaGw.DataPacket packet)
{
Console.WriteLine("Got packet of " + packet.BufferSize + " / " + packet.Data.Length + ", cmd: " + packet.Command);
}
/// <summary>
/// Used to answer to a response
/// </summary>
/// <param name="command"></param>
/// <param name="packet"></param>
/// <param name="chain"></param>
/// <param name="send"> </param>
/// <returns></returns>
public static void ExecuteResponseHandler(UInt16 command, DataPacket packet, PBCaGw.Workers.WorkerChain chain, DataPacketDelegate send)
{
if (!(command >= handlers.Length || handlers[command] == null))
handlers[command].DoResponse(packet, chain, send);
}
public override void DoRequest(DataPacket packet, PBCaGw.Workers.WorkerChain chain, DataPacketDelegate sendData)
{
// From ourself? Skip it.
if (packet.Sender.Equals(chain.ClientEndPoint))
return;
/*// Not coming from one of the allowed destination
if (chain.Destinations.Any(i => CompareNetC(i.Address, packet.Sender.Address)))
return;*/
if (chain.Destinations == null)
return;
if (packet.Sender == null)
return;
if (Log.WillDisplay(TraceEventType.Verbose))
Log.TraceEvent(System.Diagnostics.TraceEventType.Verbose, chain.ChainId, "Search from: " + packet.Sender);
//if(chain.Gateway.Configuration.LocalSideA.Port == chain.Gateway.Configuration.LocalSideB.Port)
// It's a response
//if (packet.PayloadSize <= 8 && packet.Chain.Gateway.Configuration.ConfigurationType == ConfigurationType.BIDIRECTIONAL)
if (packet.PayloadSize == 8)
{
DoResponse(packet, chain, sendData);
return;
}
DiagnosticServer.NbSearches++;
DataPacket newPacket = (DataPacket)packet.Clone();
string channelName = packet.GetDataAsString();
if (chain.Side == Workers.ChainSide.SIDE_A)
{
if (!chain.Gateway.Configuration.Security.EvaluateSideA(channelName, null, null, packet.Sender.Address.ToString()).Has(SecurityAccess.READ))
return;
}
else
{
if (!chain.Gateway.Configuration.Security.EvaluateSideB(channelName, null, null, packet.Sender.Address.ToString()).Has(SecurityAccess.READ))
return;
}
Record record;
// Maybe this request is known.
if (InfoService.ChannelEndPoint.Knows(channelName))
{
record = InfoService.ChannelEndPoint[channelName];
bool knownChannel = false;
if (chain.Side == ChainSide.SIDE_A && record.knownFromSideA == true)
knownChannel=true;
else if (chain.Side == ChainSide.SIDE_B && record.knownFromSideB == true)
knownChannel=true;
if(knownChannel)
{
if (Log.WillDisplay(TraceEventType.Information))
Log.TraceEvent(TraceEventType.Information, chain.ChainId, "Cached search " + channelName);
newPacket = DataPacket.Create(8, packet.Chain);
newPacket.ReverseAnswer = true;
newPacket.Command = 6;
newPacket.Parameter1 = 0xffffffff;
newPacket.Parameter2 = packet.Parameter1;
if (chain.Side == Workers.ChainSide.SIDE_A)
newPacket.DataType = (UInt16)chain.Gateway.Configuration.LocalSideA.Port;
else
newPacket.DataType = (UInt16)chain.Gateway.Configuration.LocalSideB.Port;
newPacket.DataCount = 0;
newPacket.SetUInt16(16, Gateway.CA_PROTO_VERSION);
newPacket.Destination = packet.Sender;
sendData(newPacket);
return;
}
}
if (chain.Side == ChainSide.SIDE_A)
record = InfoService.SearchChannelEndPointA[channelName];
else
record = InfoService.SearchChannelEndPointB[channelName];
// We have the info stored in the channel end point? Yes let's use it then.
/*if (record == null
&& InfoService.ChannelEndPoint.Knows(channelName))
{
record = InfoService.ChannelEndPoint[channelName];
}*/
// First time, or never got answer, let's ask to the IOCS
// Step 1
if (record == null)
{
record = InfoService.SearchChannel.Create();
// ReSharper disable PossibleInvalidOperationException
uint gwcid = record.GWCID.Value;
// ReSharper restore PossibleInvalidOperationException
record.CID = packet.Parameter1;
record.Client = packet.Sender;
record.Channel = channelName;
// Diagnostic search
newPacket = (DataPacket)packet.Clone();
newPacket.Parameter1 = gwcid;
newPacket.Parameter2 = gwcid;
newPacket.Destination = new IPEndPoint(chain.Gateway.Configuration.LocalSideB.Address, 7890);
if (chain.Side == Workers.ChainSide.SIDE_B)
newPacket.ReverseAnswer = true;
sendData(newPacket);
foreach (IPEndPoint dest in chain.Destinations)
{
newPacket = (DataPacket)packet.Clone();
newPacket.Parameter1 = gwcid;
newPacket.Parameter2 = gwcid;
newPacket.Destination = dest;
sendData(newPacket);
}
}
// We have the info, therefore use the stored info to answer (cached)
else
{
newPacket = DataPacket.Create(8, packet.Chain);
newPacket.ReverseAnswer = true;
newPacket.Command = 6;
newPacket.Parameter1 = 0xffffffff;
newPacket.Parameter2 = packet.Parameter1;
if (chain.Side == Workers.ChainSide.SIDE_A)
newPacket.DataType = (UInt16)chain.Gateway.Configuration.LocalSideA.Port;
else
newPacket.DataType = (UInt16)chain.Gateway.Configuration.LocalSideB.Port;
newPacket.DataCount = 0;
newPacket.SetUInt16(16, Gateway.CA_PROTO_VERSION);
newPacket.Destination = packet.Sender;
sendData(newPacket);
}
}
