private void OnSubscribed(NatsSubscription subscription)
{
Logger.Info($"{nameof(OnSubscribed)}");
Script.Statements.Add(new ScriptStatement {
Name = nameof(SubscribeCommand), Param1 = subscription.Subject, Param2 = ""
});
}
private void OnItemDoubleClicked(string colName, NatsSubscription subscription)
{
if (subscription.Subscribed)
{
Unsubscribe(subscription);
}
else
{
Subscribe(subscription);
}
}
public void Unsubscribe(NatsSubscription natsSubscription)
{
if (Subscriptions.TryGetValue(natsSubscription, out var subs))
{
foreach (var subscription in subs)
{
subscription.Unsubscribe();
}
Subscriptions.Remove(natsSubscription);
natsSubscription.Subscribed = false;
Unsubscribed?.Invoke(natsSubscription);
}
}
public void Start()
{
if (natsClient.Start())
{
discoverMessage = new VcapComponentDiscover(
type: Resources.Agent_DEAComponentType,
uuid: natsClient.UniqueIdentifier,
host: config.MonitoringServiceHostStr,
credentials: config.MonitoringCredentials);
varzProvider.Discover = discoverMessage;
natsClient.Subscribe(NatsSubscription.VcapComponentDiscover,
(msg, reply) =>
{
discoverMessage.UpdateUptime();
natsClient.Publish(reply, discoverMessage);
});
natsClient.Publish(new VcapComponentAnnounce(discoverMessage));
natsClient.Subscribe(NatsSubscription.DeaStatus, ProcessDeaStatus);
natsClient.Subscribe(NatsSubscription.DropletStatus, ProcessDropletStatus);
natsClient.Subscribe(NatsSubscription.DeaDiscover, ProcessDeaDiscover);
natsClient.Subscribe(NatsSubscription.DeaFindDroplet, ProcessDeaFindDroplet);
natsClient.Subscribe(NatsSubscription.DeaUpdate, ProcessDeaUpdate);
natsClient.Subscribe(NatsSubscription.DeaStop, ProcessDeaStop);
natsClient.Subscribe(NatsSubscription.GetDeaInstanceStartFor(natsClient.UniqueIdentifier), ProcessDeaStart);
natsClient.Subscribe(NatsSubscription.RouterStart, ProcessRouterStart);
natsClient.Subscribe(NatsSubscription.HealthManagerStart, ProcessHealthManagerStart);
natsClient.Subscribe(NatsSubscription.DeaLocate, ProcessDeaLocate);
natsClient.Publish(helloMessage);
SendAdvertise();
RecoverExistingDroplets();
processTask.Start();
heartbeatTask.Start();
advertiseTask.Start();
varzTask.Start();
monitorAppsTask.Start();
}
else
{
log.Error(Resources.Agent_ErrorDetectedInNats_Message);
Error = true;
}
}
public bool Create(NatsSubscription natsSubscription, out string msg)
{
Logger.Info($"Create NatsSubject: {natsSubscription.Subject}");
if (Configuration.GetSubject(natsSubscription.Subject) != null)
{
msg = $"A subject already exists with subject: {natsSubscription.Subject}";
Logger.Warn(msg);
return(false);
}
Configuration.Add(natsSubscription);
Configuration.Save(NatsXml);
msg = $"NatsSubject created: {natsSubscription}";
return(true);
}
protected void CreateSubscription()
{
Logger.Info($"{nameof(CreateSubscription)}: {Model}");
var natsSubscription = new NatsSubscription(Model.Subject)
{
Checked = false,
Subscribed = false
};
if (NatsService.Create(natsSubscription, out _))
{
Subscriptions.Insert(0, natsSubscription);
}
Subscribe(natsSubscription);
}
private void OnItemClicked(string colName, NatsSubscription subscription)
{
switch (colName)
{
case nameof(NatsSubscription.Unsubscribe):
Unsubscribe(subscription);
break;
case nameof(NatsSubscription.Subscribe):
Subscribe(subscription);
break;
case nameof(NatsSubscription.Trash):
Logger.Info($"{nameof(NatsSubscription.Trash)}: {subscription}");
NatsService.Remove(subscription);
Subscriptions.Remove(subscription);
break;
}
}
public void Subscribe(NatsSubscription natsSubscription)
{
if (Subscriptions.ContainsKey(natsSubscription))
{
return;
}
Logger.Info($"{nameof(Subscribe)}: {natsSubscription.Subject}");
List <IAsyncSubscription> subs = new List <IAsyncSubscription>();
foreach (var conn in ConnectionsByName.Values)
{
IAsyncSubscription sub = conn.SubscribeAsync(natsSubscription.Subject, OnMessage);
subs.Add(sub);
}
Subscriptions[natsSubscription] = subs;
natsSubscription.Subscribed = subs.Any();
Subscribed?.Invoke(natsSubscription);
}
public void Remove(NatsSubscription natsSubscription)
{
Logger.Info($"Remove NatsSubject: {natsSubscription.Subject}");
Configuration.RemoveSubject(natsSubscription.Subject);
Configuration.Save(NatsXml);
}
public void Add(NatsSubscription subscription)
{
RemoveSubject(subscription.Subject);
Subscriptions.Add(subscription);
}
private void OnSelectedItemChanged(NatsSubscription subscription)
{
Model.Subject = subscription.Subject;
InvokeAsync(StateHasChanged);
}
private void Subscribe(NatsSubscription subscription)
{
Logger.Info($"{nameof(NatsSubscription.Subscribe)}: {subscription}");
NatsService.Subscribe(subscription);
Subscriptions.Update(subscription);
}
