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 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));
}