internal CAChannelMonitor(CARecord record, string property, CAServerChannel channel,
EpicsType type, int dataCount, MonitorMask monitorMask, int subscriptionId)
{
Record = record;
Property = property;
Channel = channel;
Type = type;
DataCount = dataCount;
MonitorMask = monitorMask;
SubscriptionId = subscriptionId;
try
{
object val = Record[Property.ToString()];
if (val == null)
{
val = 0;
}
byte[] realData = val.ToByteArray(Type, Record);
using (Record.CreateAtomicChange(false))
Channel.TcpConnection.Send(Channel.Server.Filter.MonitorChangeMessage(SubscriptionId, Channel.ClientId, Type, DataCount, val.ToByteArray(Type, Record)));
Record.RecordProcessed += new EventHandler(Record_RecordProcessed);
}
catch (Exception e)
{
Channel.TcpConnection.Send(Channel.Server.Filter.MonitorChangeMessage(SubscriptionId, Channel.ClientId, Type, DataCount, new byte[0]));
}
}
void Record_RecordProcessed(object sender, EventArgs e)
{
//If the client was started before the IOC then it is possible
//that the client will request a value before the first "scan"
//In which case ignore the request
if (Record[Property] == null)
{
return;
}
#warning need to implement deadband
/*if (newValue is short || newValue is int || newValue is float || newValue is double)
* {
* Record.m
* }*/
if (Record.IsDirty)
{
using (Record.CreateAtomicChange(false))
Channel.TcpConnection.Send(Channel.Server.Filter.MonitorChangeMessage(SubscriptionId, Channel.ClientId, Type, DataCount, Record[Property].ToByteArray(Type, Record)));
}
}