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;
context.ReenterAfter(MemberList.GetMemberAsync(name, kind), address =>
{
if (string.IsNullOrEmpty(address.Result))
{
context.Respond(new PidCacheResponse(null, ResponseStatusCode.Unavailable));
return(Actor.Done);
}
var remotePid = Partition.PartitionForKind(address.Result, kind);
var req = new ActorPidRequest
{
Kind = kind,
Name = name
};
var reqTask = remotePid.RequestAsync <ActorPidResponse>(req);
context.ReenterAfter(reqTask, t =>
{
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;
if (_reverseCacheByMemberAddress.ContainsKey(res.Pid.Address))
{
_reverseCacheByMemberAddress[res.Pid.Address].Add(key);
}
else
{
_reverseCacheByMemberAddress[res.Pid.Address] = new HashSet <string> {
key
}
};
context.Watch(res.Pid);
context.Respond(new PidCacheResponse(res.Pid, status));
break;
default:
context.Respond(new PidCacheResponse(res.Pid, status));
break;
}
return(Actor.Done);
});
return(Actor.Done);
});
}