public async Task <PID?> GetAsync(ClusterIdentity clusterIdentity, CancellationToken ct)
{
ct = CancellationTokens.WithTimeout(_getPidTimeout);
//Get address to node owning this ID
var identityOwner = _partitionManager.Selector.GetIdentityOwner(clusterIdentity.Identity);
Logger.LogDebug("Identity belongs to {address}", identityOwner);
if (string.IsNullOrEmpty(identityOwner))
{
return(null);
}
var remotePid = PartitionManager.RemotePartitionIdentityActor(identityOwner);
var req = new ActivationRequest
{
ClusterIdentity = clusterIdentity
};
Logger.LogDebug("Requesting remote PID from {Partition}:{Remote} {@Request}", identityOwner, remotePid, req
);
try
{
var resp = await _cluster.System.Root.RequestAsync <ActivationResponse>(remotePid, req, ct);
return(resp.Pid);
}
//TODO: decide if we throw or return null
catch (DeadLetterException)
{
Logger.LogInformation("Remote PID request deadletter {@Request}, identity Owner {Owner}", req, identityOwner);
return(null);
}
catch (TimeoutException)
{
Logger.LogInformation("Remote PID request timeout {@Request}, identity Owner {Owner}", req, identityOwner);
return(null);
}
catch (Exception e)
{
Logger.LogError(e, "Error occured requesting remote PID {@Request}, identity Owner {Owner}", req, identityOwner);
return(null);
}
}
public void DumpState(ClusterIdentity clusterIdentity)
{
Console.WriteLine("Memberlist members:");
_cluster.MemberList.DumpState();
Console.WriteLine("Partition manager selector:");
_partitionManager.Selector.DumpState();
//Get address to node owning this ID
var identityOwner = _partitionManager.Selector.GetIdentityOwner(clusterIdentity.Identity);
Console.WriteLine("Identity owner for ID:");
Console.WriteLine(identityOwner);
var remotePid = PartitionManager.RemotePartitionIdentityActor(identityOwner);
var req = new ActivationRequest
{
ClusterIdentity = clusterIdentity
};
var resp = _cluster.System.Root.RequestAsync <ActivationResponse>(remotePid, req, CancellationTokens.WithTimeout(5000)).Result;
Console.WriteLine("Target Pid:");
if (resp == null)
{
Console.WriteLine("Null response");
}
else if (resp.Pid == null)
{
Console.WriteLine("Null PID");
}
else
{
Console.WriteLine(resp.Pid);
}
}