// ua simulator hard coded + hard coded config
static void UaRxSim()
{
Clear();
using (new ConsoleColourer(Yellow, Black))
WriteLine("reactive UA simulation! Press a key to quit.");
var uaClient = new EasyUAClient();
var rxUaSubscription = UAMonitoredItemChangedObservable.Create <int>(new EasyUAMonitoredItemArguments(
"uaState",
"opc.tcp://127.0.0.1:49320/",
"ns=2;s=Channel1.Device1.Tag2",
0)
)
.Subscribe(val =>
{
WriteLine(string.Format("wrote {0} to {1} on {2} being {3}", val.AttributeData.Value, "ns=2;s=Channel1.Device1.Tag1", "ns=2;s=Channel1.Device1.Tag2", val.AttributeData.Value));
uaClient.WriteValue(
new UAWriteValueArguments(
"opc.tcp://127.0.0.1:49320/",
"ns=2;s=Channel1.Device1.Tag1",
val.AttributeData.Value
)
);
}
);
var key = ReadKey();
rxUaSubscription.Dispose();
uaClient.Dispose();
}
//subscibes to a tag defined by an XElement
static UAMonitoredItemChangedObservable <object> ReadValues(XElement xElement)
{
return(UAMonitoredItemChangedObservable.Create <object>(
new EasyUAMonitoredItemArguments(
null,
GetElementAttribute(xElement, "ua", "endpoint"),
$"ns=2;s={xElement.Attribute("node").Value}",
int.Parse(GetAttribute(xElement, "updateRate")))));
}
static IObservable <SubValue> Ua(string id, XElement tag)
{
return(UAMonitoredItemChangedObservable.Create <object>(new EasyUAMonitoredItemArguments(
id,
GetElementAttribute(tag, "ua", "endpoint"),
$"ns=2;s={tag.Parent.Attribute("name").Value}.{tag.Attribute("node").Value}",
int.Parse(GetAttribute(tag, "updateRate"))
)).Select(val => new SubValue {
val = val, Quality = val.Succeeded, Value = val?.AttributeData?.Value
}));
}
// configured ua logging client using rx
static void UaLog(string fileName, string logFileName)
{
var locker = new Object();
var titleRow = "id, endpoint,name, tag, value, good, time";
if (!File.Exists(logFileName))
{
using (System.IO.StreamWriter file = new System.IO.StreamWriter(logFileName, true))
{
file.WriteLine(titleRow);
}
}
var config = XDocument.Load(fileName);
var myTags = config.Root
.Elements("tags")
.SelectMany(tags => tags.Elements("tag"));
var subs = myTags
.Select(
tag =>
UAMonitoredItemChangedObservable.Create <object>(new EasyUAMonitoredItemArguments(
tag.Attribute("id").Value,
GetElementAttribute(tag, "ua", "endpoint"),
$"ns=2;s={tag.Parent.Attribute("name").Value}.{tag.Attribute("node").Value}",
int.Parse(GetAttribute(tag, "updateInterval"))
))
.Subscribe(
val => {
lock (locker)
using (System.IO.StreamWriter file = new System.IO.StreamWriter(logFileName, true))
{
var log = val.Succeeded
? string.Format("{0}, {1}, {2}, {3}, {4}, {5}, {6}", tag.Attribute("id").Value, GetElementAttribute(tag, "ua", "endpoint"), tag.Attribute("name").Value, string.Format("ns=2;s={0}.{1}", tag.Parent.Attribute("name").Value, tag.Attribute("node").Value), val.AttributeData.Value, val.AttributeData.HasGoodStatus, DateTime.Now.ToLongTimeString())
: string.Format("{0}, {1}, {2}, {3}, {4}, {5}, {6}", tag.Attribute("id").Value, GetElementAttribute(tag, "ua", "endpoint"), tag.Attribute("name").Value, string.Format("ns=2;s={0}.{1}", tag.Parent.Attribute("name").Value, tag.Attribute("node").Value), "", false, DateTime.Now.ToLongTimeString());
file.WriteLine(log);
WriteLine(log);
}
},
//(ex) => ExceptionDisplay(tag, ex),
() => { }
)
).ToList();
var key = ReadLine();
subs.ForEach(s => s.Dispose());
}
static UAMonitoredItemChangedObservable <object> ReadValues(string node)
{
return(UAMonitoredItemChangedObservable.Create <object>(
ReadArgs(node)));
}
