/// <summary>
/// Synchronously eads the values from the server.
/// </summary>
private TsCHdaItemValueCollection[] SyncRead(TsCHdaItem[] items)
{
switch (mType_)
{
// synchronous read raw or read processed.
case RequestType.Read:
{
return(mTrend_.Read(items));
}
// synchronous read raw.
case RequestType.ReadRaw:
{
return(mTrend_.ReadRaw(items));
}
// synchronous read processed.
case RequestType.ReadProcessed:
{
return(mTrend_.ReadProcessed(items));
}
// synchronous read modified.
case RequestType.ReadModified:
{
return(mTrend_.ReadModified(items));
}
// synchronous read at time.
case RequestType.ReadAtTime:
{
return(mTrend_.ReadAtTime(items));
}
}
return(null);
}
public void Run()
{
try
{
const string serverUrl = "opchda://localhost/OPCSample.OpcHdaServer";
Console.WriteLine();
Console.WriteLine("Simple OPC HDA Client based on the OPC DA/AE/HDA Solution .NET");
Console.WriteLine("--------------------------------------------------------------");
Console.Write(" Press <Enter> to connect to "); Console.WriteLine(serverUrl);
Console.ReadLine();
Console.WriteLine(" Please wait...");
TsCHdaServer myHdaServer = new TsCHdaServer();
myHdaServer.Connect(serverUrl);
Console.WriteLine(" Connected, press <Enter> to add a trend.");
Console.ReadLine();
// Add a trend and set the properties for reading
TsCHdaTrend trend = new TsCHdaTrend(myHdaServer)
{
StartTime = new TsCHdaTime(new DateTime(2004, 01, 01, 00, 00, 00)), EndTime = new TsCHdaTime(new DateTime(2004, 01, 01, 06, 00, 00)), IncludeBounds = true, MaxValues = 1000
};
OpcItem itemId = new OpcItem("Static Data/Ramp [15 min]");
trend.Timestamps.Add(new DateTime(2016, 01, 01, 00, 00, 00));
trend.ReadRaw(new OpcItem[] { trend.AddItem(itemId) }, null, OnReadComplete, out _);
// read the historic data of the specified item
TsCHdaItemValueCollection[] items = trend.ReadRaw(new[] { trend.AddItem(itemId) });
foreach (TsCHdaItemValueCollection item in items)
{
Console.WriteLine($"{item.ItemName}");
foreach (TsCHdaItemValue val in item)
{
if ((val.Quality.GetCode() & (int)TsDaQualityMasks.QualityMask) != (int)TsDaQualityBits.Good)
{
Console.WriteLine($" {val.Timestamp}, {val.Quality}");
}
else
{
Console.WriteLine($" {val.Timestamp}, {val.Value}");
}
}
}
trend.Timestamps.Add(new DateTime(2016, 01, 01, 00, 00, 00));
items = trend.ReadAtTime(new[] { trend.AddItem(itemId) });
foreach (TsCHdaItemValueCollection item in items)
{
Console.WriteLine($"{item.ItemName}");
foreach (TsCHdaItemValue val in item)
{
if ((val.Quality.GetCode() & (int)TsDaQualityMasks.QualityMask) != (int)TsDaQualityBits.Good)
{
Console.WriteLine($" {val.Timestamp}, {val.Quality}");
}
else
{
Console.WriteLine($" {val.Timestamp}, {val.Value}");
}
}
}
Console.WriteLine(" Historical Data Trend read, press <Enter> to disconnect from the server.");
myHdaServer.Disconnect();
myHdaServer.Dispose();
Console.ReadLine();
Console.WriteLine(" Disconnected from the server.");
Console.WriteLine();
}
catch (OpcResultException e)
{
Console.WriteLine(" " + e.Message);
Console.ReadLine();
}
catch (Exception e)
{
Console.WriteLine(" " + e.Message);
Console.ReadLine();
}
}
///////////////////////////////////////////////////////////////////////
#region OPC Sample Functionality
void DoOPCCalls()
{
try
{
const string serverUrl = "opchda://localhost/OPCSample.OpcHdaServer";
Console.WriteLine();
Console.WriteLine("Simple OPC HDA Client based on the OPC DA/AE/HDA Client SDK .NET");
Console.WriteLine("----------------------------------------------------------------");
Console.Write(" Press <Enter> to connect to "); Console.WriteLine(serverUrl);
Console.ReadLine();
Console.WriteLine(" Please wait...");
//OpcBase.ValidateLicense("License Key");
TsCHdaServer myHdaServer = new TsCHdaServer();
myHdaServer.Connect(serverUrl);
Console.WriteLine(" Connected, press <Enter> to add a trend.");
Console.ReadLine();
// Add a trend and set the properties for reading
TsCHdaTrend trend = new TsCHdaTrend(myHdaServer)
{
StartTime = new TsCHdaTime(new DateTime(2004, 01, 01, 00, 00, 00)), EndTime = new TsCHdaTime(new DateTime(2004, 01, 01, 06, 00, 00)), IncludeBounds = true, MaxValues = 1000
};
OpcItem itemID = new OpcItem("Static Data/Ramp [15 min]");
trend.Timestamps.Add(new DateTime(2016, 01, 01, 00, 00, 00));
OpcItemResult[] results = null;
IOpcRequest request = null;
results = trend.ReadRaw(new TsCHdaItem[] { trend.AddItem(itemID) }, null, new TsCHdaReadValuesCompleteEventHandler(OnReadComplete), out request);
// read the historic data of the specified item
TsCHdaItemValueCollection[] items = trend.ReadRaw(new TsCHdaItem[] { trend.AddItem(itemID) });
foreach (TsCHdaItemValueCollection item in items)
{
Console.WriteLine(String.Format("{0}", item.ItemName));
foreach (TsCHdaItemValue val in item)
{
if (((int)val.Quality.GetCode() & (int)TsDaQualityMasks.QualityMask) != (int)TsDaQualityBits.Good)
{
Console.WriteLine(string.Format(" {0}, {1}", val.Timestamp, val.Quality));
}
else
{
Console.WriteLine(string.Format(" {0}, {1}", val.Timestamp, val.Value.ToString()));
}
}
}
trend.Timestamps.Add(new DateTime(2016, 01, 01, 00, 00, 00));
items = trend.ReadAtTime(new TsCHdaItem[] { trend.AddItem(itemID) });
foreach (TsCHdaItemValueCollection item in items)
{
Console.WriteLine(String.Format("{0}", item.ItemName));
foreach (TsCHdaItemValue val in item)
{
if (((int)val.Quality.GetCode() & (int)TsDaQualityMasks.QualityMask) != (int)TsDaQualityBits.Good)
{
Console.WriteLine(string.Format(" {0}, {1}", val.Timestamp, val.Quality));
}
else
{
Console.WriteLine(string.Format(" {0}, {1}", val.Timestamp, val.Value.ToString()));
}
}
}
Console.WriteLine(" Historical Data Trend read, press <Enter> to disconnect from the server.");
myHdaServer.Disconnect();
myHdaServer.Dispose();
Console.ReadLine();
Console.WriteLine(" Disconnected from the server.");
Console.WriteLine();
}
catch (OpcResultException e)
{
Console.WriteLine(" " + e.Message);
Console.ReadLine();
return;
}
catch (Exception e)
{
Console.WriteLine(" " + e.Message);
Console.ReadLine();
return;
}
}