/// <summary>
/// Ein neuer Kommand ist über eine Kommunikationsschnittstelle angekommen
/// kümmern wir uns darum!
/// </summary>
/// <param name="client"></param>
/// <param name="Command"></param>
public virtual void CommandRecieved(System.Net.Sockets.TcpClient client, Commands.BaseCommand recievedCommand)
{
Console.WriteLine(recievedCommand.GetType().ToString());
try{
if (recievedCommand.completed)
{
recievedCommand.ProcessResults(this);
if (!recievedCommand.isAsync)
{
lock (SynclockCommands)
{
SyncCommands.Add(recievedCommand.guid, recievedCommand);
}
}
}
else
{
Console.WriteLine("RemoteExec");
recievedCommand.RemoteExecute(this);
recievedCommand.completed = true;
BinaryFormatter formatter = new BinaryFormatter();
MemoryStream memstr = new MemoryStream();
formatter.Serialize(memstr, recievedCommand);
var outputstream = client.GetStream();
outputstream.Write(memstr.ToArray(), 0, Convert.ToInt32(memstr.Length));
outputstream.Flush();
}
}catch (Exception ex) {
Console.WriteLine(ex.Message + " " + ex.StackTrace.ToString());
}
}
public void SendCommand(BaseCommand cmd)
{
TcpClient lastclient = null;
lock (lockclients)
{
try
{
foreach (TcpClient myclient in clients)
{
lastclient = myclient;
if (myclient.Connected)
{
NetworkStream clientStream = myclient.GetStream();
if (clientStream != null)
{
BinaryFormatter formatter = new BinaryFormatter();
formatter.Serialize(clientStream, cmd);
clientStream.Flush();
}
}
}
}
catch (Exception ex)
{
lock (lockclients)
{
clients.Remove(lastclient);
}
}
}
}
/// <summary>
/// Send a Command but does not wait for it to succeed and come back
/// </summary>
/// <param name="cmd"></param>
public void SendCommandAsync(Commands.BaseCommand cmd)
{
cmd.Send(this);
foreach (CommunicationEndpoint mycomm in knownEndpoints)
{
if (mycomm.Connected())
{
if (mycomm.commType == CommunicationEndpoint.Communicationtype.Command)
{
mycomm.SendCommand(cmd);
}
}
}
}
public override void SendCommand(Commands.BaseCommand cmd)
{
if (this.Connected())
{
if (this.commType == Communicationtype.Command)
{
if (listen)
{
((TCPServer.CommandTcpServer)server).SendCommand(cmd);
}
else
{
((TcpCommandClient)client).Send(cmd);
}
}
}
}
/// <summary>
/// Sends a Command and waits until it comes back with the Results
/// </summary>
/// <param name="cmd">An Command object to be sent, containing code and values</param>
/// <returns>The resulting Command object which came back</returns>
public Commands.BaseCommand SendCommand(Commands.BaseCommand cmd)
{
//Sende Kommando an alle Endpunkte
bool sent = false;
cmd.Send(this);
foreach (CommunicationEndpoint mycomm in knownEndpoints)
{
if (mycomm.Connected())
{
if (mycomm.commType == CommunicationEndpoint.Communicationtype.Command)
{
sent = true;
mycomm.SendCommand(cmd);
}
}
}
if (!sent)
{
return(cmd);
}
// Warte auf ankunft des Ergebnisses
bool CommandRecieved = false;
do
{
lock (SynclockCommands)
{
if (SyncCommands.ContainsKey(cmd.guid))
{
CommandRecieved = true;
}
}
Thread.Sleep(5);
} while (!CommandRecieved);
///Remove recieved Command from store
lock (SynclockCommands)
{
Commands.BaseCommand recievedCmd = SyncCommands[cmd.guid];
SyncCommands.Remove(cmd.guid);
return(recievedCmd);
}
}
public void Recieve()
{
TcpClient tcpClient = (TcpClient)client;
NetworkStream clientStream = tcpClient.GetStream();
string line = "";
byte[] message = new byte[4096];
int bytesRead;
try
{
while (true)
{
Thread.Sleep(0);
bytesRead = 0;
clientStream.Flush();
try
{
//blocks until a client sends a message
UTF8Encoding encoder = new UTF8Encoding();
BinaryFormatter formatter = new BinaryFormatter();
Commands.BaseCommand recievedCommand = (Commands.BaseCommand)formatter.Deserialize(clientStream);
// System.Diagnostics.Debug.WriteLine(encoder.GetString(message, 0, bytesRead));
cmdHandler.CommandRecieved(tcpClient, recievedCommand);
}
catch (Exception ex)
{
Console.WriteLine("Error on Recieve Command" + ex.Message);
//a socket error has occured
break;
}
}
}
catch (Exception ex)
{
}
finally
{
tcpClient.Close(); //Close the current Connection
Disconnect();
}
}
/// <summary> /// Sendet ein Kommando an alle offenen Verbindungen dieses Endpunkts /// </summary> /// <param name="cmd"></param> public abstract void SendCommand(Commands.BaseCommand cmd);
/// <summary>
/// No Commands via UDP for now
/// </summary>
/// <param name="cmd"></param>
public override void SendCommand(Commands.BaseCommand cmd)
{
}
public void Send(BaseCommand cmd)
{
lock (SendSync)
{
if (client.Connected)
{
if (clientStream != null)
{
BinaryFormatter formatter = new BinaryFormatter();
formatter.Serialize(clientStream, cmd);
clientStream.Flush();
}
}
}
}
