public void CreateProtocols()
{
Protocols = new IDmccServerDataProtocol[]
{
DmccServerDataProtocolFactory.Create(DmccProtocolType.v63) //all we support at the moment
};
}
void InternalEventListenerLoop()
{
while (Running)
{
if (!HasData)
{
Task.Delay(200);
continue;
}
{
var(Request, InvokeId) = ReadXMLMessage();
var root = XmlHelper.GetRootElementName(Request);
switch (root)
{
case nameof(StartApplicationSession):
//TODO - we in no way validate the login credentials here, mainly because we don't
//really care about them for this simple simulation - we are trying to simulate
//a switch, so the login security as not really important till the bulk of the
//functions are implemented.
var startApplicationSession = SerializationHelper.Deserialize <StartApplicationSession>(Request);
var requestedProtocol = startApplicationSession.requestedProtocolVersions?.Length > 0 ? startApplicationSession.requestedProtocolVersions[0]: string.Empty;
logger.Debug($"requested protocol was {requestedProtocol}");
//set the protocol:
if (EventProcessor?.Protocols?.Length > 0)
{
var requestedProtocolType = DmccProtocols.ToDmccProtocolType(requestedProtocol);
protocol = EventProcessor.Protocols.FirstOrDefault(p => p.Protocol == requestedProtocolType);
}
else
{
//fall back...
protocol = DmccServerDataProtocolFactory.Create(requestedProtocol); //TODO - remove this.. we should not fall back
}
if (protocol != null)
{
//we just respond that we are happy
//var startApplicationResponse = $"<?xml version=\"1.0\" encoding=\"UTF-8\" ?><StartApplicationSessionPosResponse xmlns=\"http://www.ecma-international.org/standards/ecma-354/appl_session\"><sessionID>{sessionId}</sessionID><actualProtocolVersion>http://www.ecma-international.org/standards/ecma-323/csta/ed3/priv2</actualProtocolVersion><actualSessionDuration>{startApplicationSession.requestedSessionDuration}</actualSessionDuration></StartApplicationSessionPosResponse>";
//var startApplicationPositiveResponse = new StartApplicationSessionPosResponse
//{
// actualProtocolVersion = requestedProtocol,
// actualSessionDuration = startApplicationSession.requestedSessionDuration,
// sessionID = sessionId,
//};
var startApplicationPositiveResponse = protocol.NewStartApplicationSessionPosResponse(sessionId, requestedProtocol, startApplicationSession.requestedSessionDuration);
SendResponse(InvokeId, startApplicationPositiveResponse);
}
else
{
//because we have no protocol at this point, we use a common static helper function.
var startApplicationNegativeResponse = DmccServerDataProtocolBase.NewStartApplicationSessionNegResponse(StartApplicationSessionNegResponseErrorCodeDefinedError.requestedProtocolVersionNotSupported);
SendResponse(InvokeId, startApplicationNegativeResponse);
}
break;
case nameof(SystemRegister):
/*<?xml version="1.0" encoding="UTF-8"?>
* <SystemRegisterResponse
* xmlns="http://www.ecma-international.org/standards/ecma-323/csta/ed3">
* <sysStatRegisterID>500046</sysStatRegisterID>
* <actualStatusFilter>
* <initializing>false</initializing>
* <enabled>false</enabled>
* <normal>true</normal>
* <messageLost>false</messageLost>
* <disabled>true</disabled>
* <partiallyDisabled>false</partiallyDisabled>
* <overloadImminent>false</overloadImminent>
* <overloadReached>false</overloadReached>
* <overloadRelieved>false</overloadRelieved>
* </actualStatusFilter>
* <extensions>
* <privateData>
* <private>
* <ns1:SystemRegisterPrivateData
* xmlns:ns1="http://www.avaya.com/csta"
* xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
* xsi:type="ns1:SystemRegisterPrivateData">
* <ns1:invertFilter>true</ns1:invertFilter>
* </ns1:SystemRegisterPrivateData>
* </private>
* </privateData>
* </extensions>
* </SystemRegisterResponse>
*/
var systemRegister = SerializationHelper.Deserialize <SystemRegister>(Request);
//let's just check the sessionId is what we previously sent
if (systemRegister.extensions.privateData.Item is CSTAPrivateDataPrivate cpd)
{
var any = cpd.Any[0].OuterXml;
var systemRegisterPrivateData = SerializationHelper.Deserialize <SystemRegisterPrivateData>(any);
if (string.Compare(Parent.CallServerName, systemRegisterPrivateData.switchName) == 0)
{
var systemRegisterResponse = protocol.NewSystemRegisterResponse(systemRegisterResponseId);
SendResponse(InvokeId, systemRegisterResponse);
}
else
{
SendUniversalFailure(InvokeId, OperationErrors.generic); //TODO - this should be better
}
}
break;
case nameof(GetDeviceId):
var getDeviceId = SerializationHelper.Deserialize <GetDeviceId>(Request);
if (ResourceManager.Devices.ContainsKey(getDeviceId.extension))
{
var device = ResourceManager.Devices[getDeviceId.extension];
//TODO - should we ever be using the ManagingSwitchName here? I've thrown it in for good measure as a valid
// alternative... but I've only ever used the switchIPInterface
if (device?.ManagingSwitchIpAddress == getDeviceId.switchIPInterface || device?.ManagingSwitchName == getDeviceId.switchName)
{
if (device.Alocated)
{
SendUniversalFailure(InvokeId, OperationErrors.generic); //TODO - what do we actually get here?
}
else
{
device.Alocated = true;
var getDeviceIdResponse = protocol.NewGetDeviceIdResponse(device.Device);
SendResponse(InvokeId, getDeviceIdResponse);
}
}
else
{
SendUniversalFailure(InvokeId, OperationErrors.invalidDeviceID);
}
}
else
{
SendUniversalFailure(InvokeId, OperationErrors.invalidDeviceID);
}
break;
case nameof(GetThirdPartyDeviceId):
var getThirdPartyDeviceId = SerializationHelper.Deserialize <GetThirdPartyDeviceId>(Request);
if (ResourceManager.Devices.ContainsKey(getThirdPartyDeviceId.extension))
{
var device = ResourceManager.Devices[getThirdPartyDeviceId.extension];
if (device?.ManagingSwitchName == getThirdPartyDeviceId.switchName)
{
if (device.Alocated)
{
SendUniversalFailure(InvokeId, OperationErrors.generic); //TODO - what do we actually get here?
}
else
{
device.Alocated = true;
var getDeviceIdResponse = protocol.NewGetThirdPartyDeviceIdResponse(device.Device);
SendResponse(InvokeId, getDeviceIdResponse);
}
}
else
{
SendUniversalFailure(InvokeId, OperationErrors.invalidDeviceID);
}
}
else
{
SendUniversalFailure(InvokeId, OperationErrors.invalidDeviceID);
}
break;
case nameof(ReleaseDeviceId):
var releaseDeviceId = SerializationHelper.Deserialize <ReleaseDeviceId>(Request);
var deviceId = releaseDeviceId?.device?.Value ?? string.Empty;
if (ResourceManager.Devices.Values.Any(d => d?.Device?.Value == deviceId))
{
var device = ResourceManager.Devices.Values.FirstOrDefault(d => d?.Device?.Value == deviceId);
if (device != null)
{
device.Alocated = false;
}
var response = protocol.NewReleaseDeviceIdResponse();
SendResponse(InvokeId, response);
}
else
{
SendUniversalFailure(InvokeId, OperationErrors.invalidDeviceID);
}
break;
default:
logger.Debug(Request);
break;
}
}
}
}