/// <summary>
///
/// </summary>
/// <param name="Client"></param>
public RemoteActionServer(Server InServer)
{
Server = InServer;
Server.OnRequestRemoteActionRecieved += RequestRecieved;
Server.OnCancelRemoteActionRecieved += CancelRecieved;
Server.OnSolicitAcceptRemoteActionRecieved += SolicitAcceptRecieved;
Server.OnRemoteActionProgressRecieved += (NetMessage_RemoteActionProgress Msg) =>
{
RemoteActionServerState Action = GetActionState(Msg.ActionId);
if (Action != null)
{
if (Action.Completed != Msg.Completed ||
Action.Failed != Msg.Failed ||
Action.ResultMessage != Msg.ResultMessage ||
Action.Progress != Msg.Progress ||
Action.ProgressText != Msg.ProgressText)
{
Action.Completed = Msg.Completed;
Action.Failed = Msg.Failed;
Action.ResultMessage = Msg.ResultMessage;
Action.Progress = Msg.Progress;
Action.ProgressText = Msg.ProgressText;
Action.Dirty = true;
}
Action.LastUpdateRecieved = TimeUtils.Ticks;
}
};
}
/// <summary>
///
/// </summary>
/// <param name="Msg"></param>
private void RequestRecieved(NetConnection Client, NetMessage_RequestRemoteAction Msg)
{
RemoteActionServerState State = AllocateState(Msg.ActionId, Msg.Type);
State.Settings = Msg.Settings;
State.ForClient = Client;
State.Progress = 0.0f;
State.ProgressText = "Waiting for available client ...";
State.Dirty = true;
}
/// <summary>
///
/// </summary>
/// <param name="Client"></param>
/// <param name="ActionId"></param>
private void CancelRecieved(NetConnection Client, Guid ActionId)
{
RemoteActionServerState State = GetActionState(ActionId);
if (State == null)
{
return;
}
State.Cancelled = true;
}
/// <summary>
///
/// </summary>
/// <param name="Client"></param>
/// <param name="ActionId"></param>
private void SolicitAcceptRecieved(NetConnection Client, Guid ActionId)
{
RemoteActionServerState State = GetActionState(ActionId);
if (State == null)
{
return;
}
State.SolicitationReplies.Add(Client);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public RemoteActionServerState AllocateState(Guid Id, RemoteActionType Type)
{
RemoteActionServerState State = new RemoteActionServerState();
State.Id = Id;
State.Type = Type;
States.Add(State);
Logger.Log(LogLevel.Info, LogCategory.Main, "Allocated new remote action '{0}' of type {1}.", State.Id.ToString(), State.Type.ToString());
return(State);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public void Poll()
{
for (int i = 0; i < States.Count; i++)
{
RemoteActionServerState State = States[i];
// If this action has been allocated a client, wait for result.
if (State.AllocatedClient != null)
{
// Client has not updated us in quite a while :(
if (TimeUtils.Ticks - State.LastUpdateRecieved > RemoteActionServerState.LastUpdateTimeout)
{
Logger.Log(LogLevel.Info, LogCategory.Main, "Remote action '{0}' failed as no response has been heard from allocated client.", State.Id.ToString());
State.ResultMessage = "Remote client failed to send update in time.";
State.Completed = true;
State.Failed = true;
State.Dirty = true;
}
// Client who was allocated this action has disconnected, so abort.
else if (!State.AllocatedClient.IsConnected)
{
Logger.Log(LogLevel.Info, LogCategory.Main, "Remote action '{0}' failed as allocated client disconnected.", State.Id.ToString());
State.ResultMessage = "Remote client unexpected disconnected.";
State.Completed = true;
State.Failed = true;
State.Dirty = true;
}
}
// Otherwise send out a solicitation to perform action.
else
{
// Client who requested this action has disconnected, so abort.
if (!State.ForClient.IsConnected)
{
Logger.Log(LogLevel.Info, LogCategory.Main, "Remote action '{0}' failed as requesting client disconnected.", State.Id.ToString());
State.ResultMessage = "Requesting client unexpected disconnected.";
State.Completed = true;
State.Failed = true;
State.Dirty = true;
}
// Client has cancelled this state.
else if (State.Cancelled)
{
Logger.Log(LogLevel.Info, LogCategory.Main, "Remote action '{0}' failed as client cancelled it.", State.Id.ToString());
State.ResultMessage = "Cancelled by user.";
State.Completed = true;
State.Failed = true;
State.Dirty = true;
// Tell client allocated the job to cancel.
if (State.AllocatedClient != null && State.AllocatedClient.IsConnected)
{
NetMessage_CancelRemoteAction Msg = new NetMessage_CancelRemoteAction();
Msg.ActionId = State.Id;
State.AllocatedClient.Send(Msg);
}
}
// Send new solicitation.
else if (TimeUtils.Ticks - State.LastSolicitBroadcast > RemoteActionServerState.SolicitInterval)
{
Logger.Log(LogLevel.Info, LogCategory.Main, "Remote action '{0}' sending new solicitation request.", State.Id.ToString());
List <NetConnection> Clients = Server.ListenConnection.AllClients;
foreach (NetConnection ClientConnection in Clients)
{
if (ClientConnection != State.ForClient && ClientConnection.Metadata != null)
{
ServerConnectedClient ClientState = ClientConnection.Metadata as ServerConnectedClient;
if (ClientState.AllowRemoteActions)
{
NetMessage_SolicitRemoteAction Msg = new NetMessage_SolicitRemoteAction();
Msg.ActionId = State.Id;
Msg.Type = State.Type;
Msg.Settings = State.Settings;
ClientConnection.Send(Msg);
}
}
}
State.LastSolicitBroadcast = TimeUtils.Ticks;
}
// Nobody responded saying they can perform the action :|
else if (TimeUtils.Ticks - State.RecievedTime > RemoteActionServerState.SolicitTimeout)
{
Logger.Log(LogLevel.Info, LogCategory.Main, "Remote action '{0}' failed as nobody responded to solicitation.", State.Id.ToString());
State.ResultMessage = "No remote clients accepted request.";
State.Completed = true;
State.Failed = true;
State.Dirty = true;
}
// We have a client who can do the job!
else if (State.SolicitationReplies.Count > 0 && TimeUtils.Ticks - State.LastSolicitBroadcast > RemoteActionServerState.MinSolicitWait)
{
Logger.Log(LogLevel.Info, LogCategory.Main, "Remote action '{0}' recieved solicitation reply and is starting.", State.Id.ToString());
State.AllocatedClient = State.SolicitationReplies[SolicitSelectionRandom.Next(0, State.SolicitationReplies.Count - 1)];
State.SolicitationReplies.Clear();
State.LastUpdateRecieved = TimeUtils.Ticks;
NetMessage_RequestRemoteAction Msg = new NetMessage_RequestRemoteAction();
Msg.ActionId = State.Id;
Msg.Type = State.Type;
Msg.Settings = State.Settings;
State.AllocatedClient.Send(Msg);
}
}
// Send progress update to the client.
if (TimeUtils.Ticks - State.LastUpdateSent > RemoteActionServerState.UpdateInterval || State.Dirty)
{
if (State.ForClient.IsConnected)
{
if (State.Completed || TimeUtils.Ticks - State.LastUpdateSent > RemoteActionClientState.MinUpdateInterval)
{
NetMessage_RemoteActionProgress Msg = new NetMessage_RemoteActionProgress();
Msg.ActionId = State.Id;
Msg.Completed = State.Completed;
Msg.Failed = State.Failed;
Msg.ResultMessage = State.ResultMessage;
Msg.Progress = State.Progress;
Msg.ProgressText = State.ProgressText;
State.ForClient.Send(Msg);
State.LastUpdateSent = TimeUtils.Ticks;
}
}
State.Dirty = false;
// If completed, clean up state.
if (State.Completed)
{
RemoveActionState(State.Id);
}
}
}
}
