/// <summary>
/// Creates a new generic <see cref="EpicsChannel"/>, even if the channel already exists.<br/>
/// The Channel is at the Moment it's given back still in creation. So if the Channel doesn't exist will not be checked.<br/>
/// Further the Channel will be created to serve the requested <typeparamref name="DataType"/>.
/// </summary>
/// <typeparam name="DataType">
/// </typeparam>
/// <param name="ChannelName">
/// Name of the Channel.
/// </param>
/// <returns>
/// !new! generic <see cref="EpicsChannel"/>
/// </returns>
public EpicsChannel <DataType> CreateChannel <DataType>(string ChannelName)
{
var Channel = new EpicsChannel <DataType>(ChannelName.Trim(), ++CIDCounter, this);
lock (this.cidChannels)
{
this.cidChannels.Add((int)Channel.CID, Channel);
}
this.SearchChannel((int)Channel.CID, ChannelName);
return(Channel);
}
/// <summary>
/// The handle message.
/// </summary>
/// <param name="CommandId">
/// The command id.
/// </param>
/// <param name="DataType">
/// The data type.
/// </param>
/// <param name="PayloadSize">
/// The payload size.
/// </param>
/// <param name="DataCount">
/// The data count.
/// </param>
/// <param name="Parameter1">
/// The parameter 1.
/// </param>
/// <param name="Parameter2">
/// The parameter 2.
/// </param>
/// <param name="header">
/// The header.
/// </param>
/// <param name="payload">
/// The payload.
/// </param>
/// <param name="iep">
/// The iep.
/// </param>
protected override void HandleMessage(
ushort CommandId,
ushort DataType,
ref uint PayloadSize,
ref uint DataCount,
ref uint Parameter1,
ref uint Parameter2,
ref byte[] header,
ref byte[] payload,
ref EndPoint iep)
{
switch (CommandId)
{
// Got Back Value for Get
case CommandID.CA_PROTO_READ_NOTIFY:
if (DataCount == 0)
{
this.client.cidChannels[(int)Parameter2].LastValue = null;
}
else if (DataCount == 1)
{
this.client.cidChannels[(int)Parameter2].LastValue = NetworkByteConverter.byteToObject(
payload, (EpicsType)DataType);
}
else
{
this.client.cidChannels[(int)Parameter2].LastValue = NetworkByteConverter.byteToObject(
payload, (EpicsType)DataType, (int)DataCount);
}
break;
// Got Status Back for Put
case CommandID.CA_PROTO_WRITE_NOTIFY:
if (this.client.cidChannels.ContainsKey((int)Parameter2))
{
this.client.cidChannels[(int)Parameter2].writeSucceeded();
}
break;
// Did receive a Monitor Signal
case CommandID.CA_PROTO_EVENT_ADD:
if (DataCount == 0)
{
this.client.cidChannels[(int)Parameter2].receiveValueUpdate(null);
}
else if (DataCount == 1)
{
this.client.cidChannels[(int)Parameter2].receiveValueUpdate(
NetworkByteConverter.byteToObject(payload, (EpicsType)DataType));
}
else
{
this.client.cidChannels[(int)Parameter2].receiveValueUpdate(
NetworkByteConverter.byteToObject(payload, (EpicsType)DataType, (int)DataCount));
}
break;
// Got information about Access Rights
case CommandID.CA_PROTO_ACCESS_RIGHTS:
this.client.cidChannels[(int)Parameter1].AccessRight = (AccessRights)Parameter2;
break;
// Could register a Channel on the IOC
case CommandID.CA_PROTO_CREATE_CHAN:
try
{
this.tmpChan = this.client.cidChannels[(int)Parameter1];
this.tmpChan.ChannelEpicsType = (EpicsType)DataType;
this.tmpChan.ChannelDefinedType = CETypeTranslator[(EpicsType)DataType];
this.tmpChan.ChannelDataCount = DataCount;
if (this.tmpChan.MonitorDataCount == 0)
{
this.tmpChan.MonitorDataCount = DataCount;
}
this.tmpChan.SID = Parameter2;
}
catch (Exception e)
{
}
break;
// failed to created a Channel.
case CommandID.CA_PROTO_CREATE_CH_FAIL:
this.tmpChan = this.client.cidChannels[(int)Parameter1];
this.tmpChan.Conn = null;
break;
case CommandID.CA_PROTO_SERVER_DISCONN:
this.client.cidChannels[(int)Parameter1].conn_ConnectionStateChanged(false);
break;
case CommandID.CA_PROTO_SEARCH:
// if a channel is disposed it will fail here.
try
{
var riep = new IPEndPoint(((IPEndPoint)iep).Address, DataType);
this.client.cidChannels[(int)Parameter2].Conn = this.client.GetServerConnection(riep);
}
catch (Exception e)
{
this.client.ExceptionContainer.Add(new Exception("MINOR: FOUND CHANNEL WHICH ALREADY IS DISPOSED"));
}
break;
case CommandID.CA_PROTO_RSRV_IS_UP:
if (this.client.beaconCollection.ContainsKey(iep.ToString()))
{
lock (this.client.beaconCollection)
{
this.client.beaconCollection[iep.ToString()] = DateTime.Now;
}
}
else
{
this.client.addIocBeaconed(iep);
}
break;
case CommandID.CA_PROTO_VERSION:
case CommandID.CA_PROTO_ECHO:
case CommandID.CA_PROTO_CLEAR_CHANNEL:
if (PayloadSize > 0)
{
this.client.ExceptionContainer.Add(
new Exception("MESSAGE WITHOUT PAYLOAD, REQUESTED PAYLOAD. POSSIBLE MISSREADING!"));
}
break;
case CommandID.CA_PROTO_ERROR:
this.client.ExceptionContainer.Add(
new Exception("EPICS-ERROR: " + Parameter2 + " - " + NetworkByteConverter.ToString(payload, 16)));
break;
default:
this.client.ExceptionContainer.Add(new Exception("NETWORK MISS READING - DROP WHOLE PACKAGE!"));
return;
}
}
