public static void StopListening(string url, string agentId)
{
AgentInstructions instr = new AgentInstructions()
{
Id = Guid.NewGuid().ToString(),
EntityName = "Stop Listening on " + url,
MustBeCompletedBy = DateUtilities.Now(),
AgentInstructionHanlderType = "Decisions.OPC.Agent.StopListeningInstructionHandler",
Data = new[]
{
new DataPair("opcServerUrl", url),
}
};
AgentService.Instance.InstructAgent(new SystemUserContext(), agentId, instr);
string ignored; // Forget this instruction & refresh folder, so IsListening will immediately switch to false:
pingInstructionIdPerAgent.TryRemove(url + agentId, out ignored);
Folder configFolder = EntityCache <OPCServerFolderBehaviorData> .GetCache().AllEntities.FirstOrDefault(s => s.Url == url)?.GetEntity() as Folder;
if (configFolder == null)
{
return;
}
ClientEventsService.SendEvent(FolderMessage.FolderChangeEventId, new FolderChangedMessage(configFolder.FolderID));
}
public void PostResult(AgentInstructions instructions, AgentInstructionsResult r)
{
DataPair[] results = r.Data;
if (results == null)
{
throw new Exception("Get Initial Data received no response data");
}
DataPair result = results.FirstOrDefault(x => x.Name == "initialData");
if (result == null || !(result.OutputValue is OpcInitialData))
{
throw new Exception("Get Initial Data did not get the expected data");
}
OpcInitialData initialData = result.OutputValue as OpcInitialData;
string url = instructions.Data.FirstOrDefault(d => d.Name == "opcServerUrl")?.OutputValue as string;
if (string.IsNullOrEmpty(url))
{
throw new Exception("No URL found in agent instructions");
}
bool?valuesOnly = instructions.Data.FirstOrDefault(d => d.Name == "valuesOnly")?.OutputValue as bool?;
if (valuesOnly == false && initialData.Values == null)
{
throw new Exception("No values found in agent instructions");
}
OPCEngine.HandleInitialData(url, initialData);
}
public void PostResult(AgentInstructions instructions, AgentInstructionsResult r)
{
string url = instructions.Data.GetValueByKey <string>("opcServerUrl");
if (string.IsNullOrEmpty(url))
{
return;
}
Folder configFolder = EntityCache <OPCServerFolderBehaviorData> .GetCache().AllEntities.FirstOrDefault(s => s.Url == url)?.GetEntity() as Folder;
if (configFolder == null)
{
return;
}
DateTime now = DateTime.UtcNow;
bool refreshFolder = true;
DateTime?lastTime;
if (OPCEngine.lastPingTimePerInstruction.TryGetValue(instructions.Id, out lastTime) && lastTime != null)
{
refreshFolder = (lastTime.Value.AddSeconds(OPCEngine.LATE_PING_VALUE - 1) < now);
}
OPCEngine.lastPingTimePerInstruction.AddOrUpdate(instructions.Id, now, (s, dt) => now);
if (refreshFolder)
{
ClientEventsService.SendEvent(FolderMessage.FolderChangeEventId, new FolderChangedMessage(configFolder.FolderID));
}
}
public AgentInstructionsResult HandleInstructions(AgentInstructions instruction)
{
OpcCommunication.RemoveEventGroup(
instruction.Data.GetValueByKey <string>("opcServerUrl"),
instruction.Data.GetValueByKey <string>("eventId")
);
return(new AgentInstructionsResult());
}
public AgentInstructionsResult HandleInstructions(AgentInstructions instruction)
{
OpcCommunication.SetTagValues(
instruction.Data.GetValueByKey <string>("opcServerUrl"),
instruction.Data.GetValueByKey <BaseTagValueWrapper>("valuesWrapper")
);
return(new AgentInstructionsResult());
}
public AgentInstructionsResult HandleInstructions(AgentInstructions instruction)
{
OpcCommunication.StartListening(
instruction.Data.GetValueByKey <string>("opcServerUrl"),
instruction.Id,
instruction.Data.GetValueByKey <OpcEventGroup[]>("eventGroups")
);
return(new AgentInstructionsResult());
}
public AgentInstructionsResult HandleInstructions(AgentInstructions instruction)
{
OpcInitialData result = OpcCommunication.GetInitialData(
instruction.Data.GetValueByKey <string>("opcServerUrl"),
instruction.Data.GetValueByKey <bool>("valuesOnly")
);
return(new AgentInstructionsResult
{
Data = new DataPair[]
{
new DataPair("initialData", result)
}
});
}
public static void RemoveEventGroup(string url, string agentId, string eventId)
{
AgentInstructions instr = new AgentInstructions()
{
Id = Guid.NewGuid().ToString(),
EntityName = "Remove Event Group on " + url,
MustBeCompletedBy = DateUtilities.Now(),
AgentInstructionHanlderType = "Decisions.OPC.Agent.RemoveEventGroupInstructionHandler",
Data = new[]
{
new DataPair("opcServerUrl", url),
new DataPair("eventId", eventId),
}
};
AgentService.Instance.InstructAgent(new SystemUserContext(), agentId, instr);
}
public static void GetInitialData(string url, string agentId, bool valuesOnly)
{
AgentInstructions instr = new AgentInstructions()
{
Id = Guid.NewGuid().ToString(),
EntityName = "Get Initial Data on " + url,
MustBeCompletedBy = DateUtilities.Now(),
AgentInstructionHanlderType = "Decisions.OPC.Agent.GetInitialDataInstructionHandler",
AgentResultsHandlerType = typeof(GetInitialDataResultHandler).FullName,
Data = new[]
{
new DataPair("opcServerUrl", url),
new DataPair("valuesOnly", valuesOnly),
}
};
AgentService.Instance.InstructAgent(new SystemUserContext(), agentId, instr);
}
public static void SetTagValues(string url, string agentId, BaseTagValue[] values)
{
AgentInstructions instr = new AgentInstructions()
{
Id = Guid.NewGuid().ToString(),
EntityName = "Set Tag Values on " + url,
MustBeCompletedBy = DateUtilities.Now(),
AgentInstructionHanlderType = "Decisions.OPC.Agent.SetTagValuesInstructionHandler",
Data = new[]
{
new DataPair("opcServerUrl", url),
new DataPair("valuesWrapper", new BaseTagValueWrapper {
Values = values
}),
}
};
AgentService.Instance.InstructAgent(new SystemUserContext(), agentId, instr);
}
public static void StartListening(string url, string agentId, OpcEventGroup[] eventGroups)
{
AgentInstructions instr = new AgentInstructions()
{
Id = Guid.NewGuid().ToString(),
EntityName = "Start Listening on " + url,
MustBeCompletedBy = DateUtilities.Now(),
AgentInstructionHanlderType = "Decisions.OPC.Agent.StartListeningInstructionHandler",
AgentResultsHandlerType = typeof(StartListeningResultHandler).FullName,
Data = new[]
{
new DataPair("opcServerUrl", url),
new DataPair("eventGroups", eventGroups),
}
};
AgentService.Instance.InstructAgent(new SystemUserContext(), agentId, instr);
string ignored;
pingInstructionIdPerAgent.TryRemove(url + agentId, out ignored);
pingInstructionIdPerAgent.TryAdd(url + agentId, instr.Id);
}
public void PostTimeout(AgentInstructions instructions)
{
}
public void PostStatus(AgentInstructions instructions, DateTime statusDateTime, string statusMessage)
{
}
public void PostStart(AgentInstructions instructions)
{
}
public void PostError(AgentInstructions instructions, string errorDetails)
{
}
public void PostEnd(AgentInstructions instructions)
{
}
public AgentInstructionsResult HandleInstructions(AgentInstructions instruction)
{
OpcCommunication.StopListening(instruction.Data.GetValueByKey <string>("opcServerUrl"));
return(new AgentInstructionsResult());
}
