internal void RegisterEvent(CAServer server, uint sid, uint subscriptionId, int dataCount, Constants.EpicsType type)
{
CARecord record = ((ServerTcpReceiver)this.Pipe.FirstFilter).FindRecord(server, sid);
string property = ((ServerTcpReceiver)this.Pipe.FirstFilter).FindProperty(server, sid);
DataPacket response = DataPacketBuilder.Encode(
type,
record[property],
record,
dataCount
);
response.Command = (ushort)CommandID.CA_PROTO_EVENT_ADD;
response.Parameter1 = 1;
response.Parameter2 = (uint)subscriptionId;
((TcpReceiver)this.Pipe.FirstFilter).Send(response);
EventHandler newEvent = delegate(object obj, EventArgs evt)
{
if (!record.IsDirty)
{
return;
}
DataPacket p = DataPacketBuilder.Encode(type, record[property], record, dataCount);
p.Command = (ushort)CommandID.CA_PROTO_EVENT_ADD;
p.Parameter1 = 1;
p.Parameter2 = (uint)subscriptionId;
((TcpReceiver)this.Pipe.FirstFilter).Send(p);
};
record.RecordProcessed += newEvent;
lock (subscribedEvents)
{
subscribedEvents.Add(
subscriptionId,
new EpicsEvent {
Handler = newEvent,
Record = record,
DataCount = dataCount,
EpicsType = type,
SID = sid
}
);
}
}
internal void UnregisterEvent(CAServer server, uint subscriptionId)
{
EpicsEvent oldEvent = null;
lock (subscribedEvents)
{
oldEvent = subscribedEvents[subscriptionId];
}
oldEvent.Record.RecordProcessed -= oldEvent.Handler;
DataPacket response = DataPacket.Create(16);
response.Command = (ushort)CommandID.CA_PROTO_EVENT_CANCEL;
response.DataType = (ushort)oldEvent.EpicsType;
response.DataCount = (uint)oldEvent.DataCount;
response.Parameter1 = oldEvent.SID;
response.Parameter2 = (uint)subscriptionId;
((TcpReceiver)this.Pipe.FirstFilter).Send(response);
}
public string FindProperty(CAServer server, uint sid)
{
string channelName = null;
lock (locker)
{
channelName = channelIds.Where(
row => row.Value == sid
).Select(
row => row.Key
).First();
}
string property = "VAL";
if (channelName.IndexOf('.') != -1)
{
property = channelName.Split('.').Last();
}
return(property);
}
internal object RecordValue(CAServer server, uint sid)
{
string channelName = null;
lock (locker)
{
channelName = channelIds.Where(
row => row.Value == sid
).Select(
row => row.Key
).First();
}
string property = "VAL";
if (channelName.IndexOf('.') != -1)
{
property = channelName.Split('.').Last();
channelName = channelName.Split('.').First();
}
return(server.Records[channelName][property]);
}
public CaServerListener(CAServer server, IPEndPoint ipSource)
{
this.server = server;
this.ipSource = ipSource;
Rebuild();
}
internal void PutValue(CAServer server, DataPacket packet)
{
var record = ((ServerTcpReceiver)this.Pipe.FirstFilter).FindRecord(server, packet.Parameter1);
var property = ((ServerTcpReceiver)this.Pipe.FirstFilter).FindProperty(server, packet.Parameter1);
object obj = null;
switch ((EpicsType)packet.DataType)
{
case EpicsType.Byte:
{
if (packet.DataCount == 1)
{
obj = packet.GetByte((int)packet.HeaderSize);
}
else
{
byte[] t = new byte[packet.DataCount];
for (var i = 0; i < packet.DataCount; i++)
{
t[i] = packet.GetByte((int)packet.HeaderSize + i);
}
obj = t;
}
}
break;
case EpicsType.Int:
{
if (packet.DataCount == 1)
{
obj = packet.GetInt32((int)packet.HeaderSize);
}
else
{
int[] t = new int[packet.DataCount];
for (var i = 0; i < packet.DataCount; i++)
{
t[i] = packet.GetInt32((int)packet.HeaderSize + i * 4);
}
obj = t;
}
}
break;
case EpicsType.Short:
{
if (packet.DataCount == 1)
{
obj = packet.GetInt16((int)packet.HeaderSize);
}
else
{
short[] t = new short[packet.DataCount];
for (var i = 0; i < packet.DataCount; i++)
{
t[i] = packet.GetInt16((int)packet.HeaderSize + i * 2);
}
obj = t;
}
}
break;
case EpicsType.Float:
{
if (packet.DataCount == 1)
{
obj = packet.GetFloat((int)packet.HeaderSize);
}
else
{
float[] t = new float[packet.DataCount];
for (var i = 0; i < packet.DataCount; i++)
{
t[i] = packet.GetFloat((int)packet.HeaderSize + i * 4);
}
obj = t;
}
}
break;
case EpicsType.Double:
{
if (packet.DataCount == 1)
{
obj = packet.GetDouble((int)packet.HeaderSize);
}
else
{
double[] t = new double[packet.DataCount];
for (var i = 0; i < packet.DataCount; i++)
{
t[i] = packet.GetDouble((int)packet.HeaderSize + i * 8);
}
obj = t;
}
}
break;
case EpicsType.String:
obj = packet.GetDataAsString(0);
break;
}
object dest = null;
Type destType = record.GetPropertyType(property);
string destTypeName = destType.ToString();
if (destType.IsGenericType)
{
destTypeName = destType.GenericTypeArguments[0].ToString();
}
switch (destTypeName)
{
case "System.String":
dest = Convert.ToString(obj);
break;
case "System.Int32":
{
if (packet.DataCount == 1 && !destType.IsGenericType && !destType.IsArray)
{
dest = Convert.ToInt32(obj);
}
else
{
dynamic d = obj;
int[] t = new int[packet.DataCount];
for (var i = 0; i < packet.DataCount; i++)
{
t[i] = Convert.ToInt32(d[i]);
}
dest = t;
}
}
break;
case "System.Byte":
{
if (packet.DataCount == 1 && !destType.IsGenericType && !destType.IsArray)
{
dest = Convert.ToByte(obj);
}
else
{
dynamic d = obj;
byte[] t = new byte[packet.DataCount];
for (var i = 0; i < packet.DataCount; i++)
{
t[i] = Convert.ToByte(d[i]);
}
dest = t;
}
}
break;
case "System.Int16":
{
if (packet.DataCount == 1 && !destType.IsGenericType && !destType.IsArray)
{
dest = Convert.ToInt16(obj);
}
else
{
dynamic d = obj;
short[] t = new short[packet.DataCount];
for (var i = 0; i < packet.DataCount; i++)
{
t[i] = Convert.ToInt16(d[i]);
}
dest = t;
}
}
break;
case "System.Single":
{
if (packet.DataCount == 1 && !destType.IsGenericType && !destType.IsArray)
{
dest = Convert.ToSingle(obj);
}
else
{
dynamic d = obj;
float[] t = new float[packet.DataCount];
for (var i = 0; i < packet.DataCount; i++)
{
t[i] = Convert.ToSingle(d[i]);
}
dest = t;
}
}
break;
case "System.Double":
{
if (packet.DataCount == 1 && !destType.IsGenericType && !destType.IsArray)
{
dest = Convert.ToDouble(obj);
}
else
{
dynamic d = obj;
double[] t = new double[packet.DataCount];
for (var i = 0; i < packet.DataCount; i++)
{
t[i] = Convert.ToDouble(d[i]);
}
dest = t;
}
}
break;
}
record[property] = dest;
}
