public IActorChannel GetActorChannel(string actorType, string actorName)
{
if (string.IsNullOrEmpty(actorName))
{
return(GetActorChannel(actorType));
}
IActorChannel channel = null;
var actorKey = ActorIdentity.GetKey(actorType, actorName);
if (_channels.TryGetValue(actorKey, out channel))
{
return(channel);
}
lock (_syncLock)
{
if (_channels.TryGetValue(actorKey, out channel))
{
return(channel);
}
channel = _factory.BuildActorChannel(_localActor, actorType, actorName);
bool activated = ActivateChannel(channel);
if (activated)
{
return(channel);
}
else
{
throw new ActorNotFoundException(string.Format(
"Activate channel failed, cannot connect remote actor, Type[{0}], Name[{1}].", actorType, actorName));
}
}
}
private void CloseChannel(IActorChannel channel)
{
channel.Close();
channel.ChannelConnected -= OnActorChannelConnected;
channel.ChannelDisconnected -= OnActorChannelDisconnected;
channel.ChannelDataReceived -= OnActorChannelDataReceived;
}
public ActorDirectory(
ActorDescription centerActor, IActorChannel centerChannel,
IActorMessageEncoder encoder, IActorMessageDecoder decoder)
{
if (centerActor == null)
{
throw new ArgumentNullException("centerActor");
}
if (centerChannel == null)
{
throw new ArgumentNullException("centerChannel");
}
if (encoder == null)
{
throw new ArgumentNullException("encoder");
}
if (decoder == null)
{
throw new ArgumentNullException("decoder");
}
_centerActor = centerActor;
_centerChannel = centerChannel;
_encoder = encoder;
_decoder = decoder;
}
public void Close()
{
if (_centerChannel != null)
{
_centerChannel.Close();
_centerChannel = null;
}
}
public void Close()
{
if (_centerChannel != null)
{
_centerChannel.Close();
_centerChannel.ChannelDataReceived -= OnCenterChannelDataReceived;
_centerChannel = null;
}
}
public IActorChannel GetActorChannel(string actorType)
{
IActorChannel channel = null;
var actor = _actorKeys.Values.Where(a => a.Type == actorType).OrderBy(t => Guid.NewGuid()).FirstOrDefault();
if (actor != null && _channels.TryGetValue(actor.GetKey(), out channel))
{
return(channel);
}
lock (_syncLock)
{
actor = _actorKeys.Values.Where(a => a.Type == actorType).OrderBy(t => Guid.NewGuid()).FirstOrDefault();
if (actor != null && _channels.TryGetValue(actor.GetKey(), out channel))
{
return(channel);
}
channel = _factory.BuildActorChannel(_localActor, actorType);
channel.Connected += OnActorConnected;
channel.Disconnected += OnActorDisconnected;
channel.DataReceived += OnActorDataReceived;
ManualResetEventSlim waitingConnected = new ManualResetEventSlim(false);
object connectedSender = null;
ActorConnectedEventArgs connectedEvent = null;
EventHandler <ActorConnectedEventArgs> onConnected =
(s, e) =>
{
connectedSender = s;
connectedEvent = e;
waitingConnected.Set();
};
channel.Connected += onConnected;
channel.Open();
bool connected = waitingConnected.Wait(TimeSpan.FromSeconds(30));
channel.Connected -= onConnected;
waitingConnected.Dispose();
if (connected)
{
_channels.Add(connectedEvent.RemoteActor.GetKey(), (IActorChannel)connectedSender);
_actorKeys.Add(connectedEvent.RemoteActor.GetKey(), connectedEvent.RemoteActor);
return(channel);
}
else
{
CloseChannel(channel);
throw new ActorNotFoundException(string.Format(
"Cannot connect remote actor, Type[{0}].", actorType));
}
}
}
public IActorChannel GetActorChannel(string actorType, string actorName)
{
IActorChannel channel = null;
var actorKey = ActorDescription.GetKey(actorType, actorName);
if (_channels.TryGetValue(actorKey, out channel))
{
return(channel);
}
lock (_syncLock)
{
if (_channels.TryGetValue(actorKey, out channel))
{
return(channel);
}
channel = _factory.BuildActorChannel(_localActor, actorType, actorName);
channel.Connected += OnActorConnected;
channel.Disconnected += OnActorDisconnected;
channel.DataReceived += OnActorDataReceived;
ManualResetEventSlim waitingConnected = new ManualResetEventSlim(false);
object connectedSender = null;
ActorConnectedEventArgs connectedEvent = null;
EventHandler <ActorConnectedEventArgs> onConnected =
(s, e) =>
{
connectedSender = s;
connectedEvent = e;
waitingConnected.Set();
};
channel.Connected += onConnected;
channel.Open();
bool connected = waitingConnected.Wait(TimeSpan.FromSeconds(5));
channel.Connected -= onConnected;
waitingConnected.Dispose();
if (connected)
{
_channels.Add(connectedEvent.RemoteActor.GetKey(), (IActorChannel)connectedSender);
_actorKeys.Add(connectedEvent.RemoteActor.GetKey(), connectedEvent.RemoteActor);
return(channel);
}
else
{
CloseChannel(channel);
throw new ActorNotFoundException(string.Format(
"Cannot connect remote actor, Type[{0}], Name[{1}].", actorType, actorName));
}
}
}
public void Register(ActorIdentity localActor)
{
if (localActor == null)
{
throw new ArgumentNullException("localActor");
}
lock (_openLock)
{
if (this.Active)
{
throw new InvalidOperationException(
string.Format("Center actor [{0}] has already been registered.", this.CenterActor));
}
_log.DebugFormat("Connecting to center actor [{0}].", this.CenterActor);
var centerChannel = BuildCenterActorChannel(localActor);
centerChannel.Open();
int retryTimes = 1;
TimeSpan retryPeriod = TimeSpan.FromMilliseconds(100);
while (true)
{
if (centerChannel.Active)
{
break;
}
Thread.Sleep(retryPeriod);
if (centerChannel.Active)
{
break;
}
retryTimes++;
if (retryTimes > 300)
{
centerChannel.Close();
throw new InvalidOperationException(
string.Format("Cannot connect to center actor [{0}] after wait [{1}] milliseconds.",
this.CenterActor, retryTimes * (int)retryPeriod.TotalMilliseconds));
}
}
_log.DebugFormat("Connected to center actor [{0}].", this.CenterActor);
_centerChannel = centerChannel;
_centerChannel.ChannelDataReceived += OnCenterChannelDataReceived;
}
}
private bool ActivateChannel(IActorChannel channel)
{
channel.ChannelConnected += OnActorChannelConnected;
channel.ChannelDisconnected += OnActorChannelDisconnected;
channel.ChannelDataReceived += OnActorChannelDataReceived;
ManualResetEventSlim waitingConnected = new ManualResetEventSlim(false);
object connectedSender = null;
ActorChannelConnectedEventArgs connectedEvent = null;
EventHandler <ActorChannelConnectedEventArgs> onConnected =
(s, e) =>
{
connectedSender = s;
connectedEvent = e;
waitingConnected.Set();
};
channel.ChannelConnected += onConnected;
channel.Open();
bool connected = waitingConnected.Wait(TimeSpan.FromSeconds(5));
channel.ChannelConnected -= onConnected;
waitingConnected.Dispose();
if (connected && channel.Active)
{
var item = new ChannelItem(((IActorChannel)connectedSender).Identifier, (IActorChannel)connectedSender);
item.RemoteActorKey = connectedEvent.RemoteActor.GetKey();
item.RemoteActor = connectedEvent.RemoteActor;
_channels.TryAdd(channel.Identifier, item);
return(true);
}
else
{
CloseChannel(channel);
return(false);
}
}
public ActorDirectory(
ActorIdentity centerActor,
IActorChannel centerChannel,
ActorChannelConfiguration channelConfiguration)
{
if (centerActor == null)
{
throw new ArgumentNullException("centerActor");
}
if (centerChannel == null)
{
throw new ArgumentNullException("centerChannel");
}
if (channelConfiguration == null)
{
throw new ArgumentNullException("channelConfiguration");
}
_centerActor = centerActor;
_centerChannel = centerChannel;
_channelConfiguration = channelConfiguration;
}
private bool ActivateChannel(IActorChannel channel)
{
channel.Connected += OnActorConnected;
channel.Disconnected += OnActorDisconnected;
channel.DataReceived += OnActorDataReceived;
ManualResetEventSlim waitingConnected = new ManualResetEventSlim(false);
object connectedSender = null;
ActorConnectedEventArgs connectedEvent = null;
EventHandler <ActorConnectedEventArgs> onConnected =
(s, e) =>
{
connectedSender = s;
connectedEvent = e;
waitingConnected.Set();
};
channel.Connected += onConnected;
channel.Open();
bool connected = waitingConnected.Wait(TimeSpan.FromSeconds(5));
channel.Connected -= onConnected;
waitingConnected.Dispose();
if (connected && channel.Active)
{
_channels.Add(connectedEvent.RemoteActor.GetKey(), (IActorChannel)connectedSender);
_actorKeys.Add(connectedEvent.RemoteActor.GetKey(), connectedEvent.RemoteActor);
return(true);
}
else
{
CloseChannel(channel);
return(false);
}
}
public IActorChannel GetActorChannel(string actorType)
{
if (string.IsNullOrEmpty(actorType))
{
throw new ArgumentNullException("actorType");
}
IActorChannel channel = null;
var actor = _actorKeys.Values.Where(a => a.Type == actorType).OrderBy(t => Guid.NewGuid()).FirstOrDefault();
if (actor != null && _channels.TryGetValue(actor.GetKey(), out channel))
{
return(channel);
}
lock (_syncLock)
{
actor = _actorKeys.Values.Where(a => a.Type == actorType).OrderBy(t => Guid.NewGuid()).FirstOrDefault();
if (actor != null && _channels.TryGetValue(actor.GetKey(), out channel))
{
return(channel);
}
channel = _factory.BuildActorChannel(_localActor, actorType);
bool activated = ActivateChannel(channel);
if (activated)
{
return(channel);
}
else
{
throw new ActorNotFoundException(string.Format(
"Activate channel failed, cannot connect remote actor, Type[{0}].", actorType));
}
}
}
public ChannelItem(string channelIdentifier, IActorChannel channel)
{
this.ChannelIdentifier = channelIdentifier;
this.Channel = channel;
}
