private void GetPid(IContext context, PidCacheRequest msg)
{
if (_cache.TryGetValue(msg.Name, out var pid))
{
//found the pid, replied, exit
context.Respond(new PidCacheResponse(pid, ResponseStatusCode.OK));
return;
}
var name = msg.Name;
var kind = msg.Kind;
var address = MemberList.GetPartition(name, kind);
if (string.IsNullOrEmpty(address))
{
context.Respond(new PidCacheResponse(null, ResponseStatusCode.Unavailable));
return;
}
var remotePid = Partition.PartitionForKind(address, kind);
var req = new ActorPidRequest
{
Kind = kind,
Name = name
};
var reqTask = remotePid.RequestAsync <ActorPidResponse>(req, Cluster.cfg.TimeoutTimespan);
context.ReenterAfter(reqTask, t =>
{
if (t.Exception != null)
{
if (t.Exception.InnerException is TimeoutException)
{
//Timeout
context.Respond(new PidCacheResponse(null, ResponseStatusCode.Timeout));
return(Actor.Done);
}
else
{
//Other errors, let it throw
context.Respond(new PidCacheResponse(null, ResponseStatusCode.Error));
}
}
var res = t.Result;
var status = (ResponseStatusCode)res.StatusCode;
switch (status)
{
case ResponseStatusCode.OK:
var key = res.Pid.ToShortString();
_cache[name] = res.Pid;
_reverseCache[key] = name;
context.Watch(res.Pid);
context.Respond(new PidCacheResponse(res.Pid, status));
break;
default:
context.Respond(new PidCacheResponse(res.Pid, status));
break;
}
return(Actor.Done);
});
}