public void disconnect()
{
if (!disconnected)
{
Console.Out.WriteLine("Attempting to disconnect...");
logMessage("Sending disconnect message...");
MwnpMessage disconnect = new MwnpMessage(new int[] { netId, 0 }, "MWNL2_DISCONNECT", null);
try
{
messenger?.sendMessage(disconnect);
}
finally { }
logMessage("Ending listener...");
listener?.end();
logMessage("Ending messenger...");
messenger?.end();
logStream.Close();
logStream = null;
disconnected = true;
Console.Out.WriteLine("Disconnect complete.");
BasicGameInfo gameInfo = (BasicGameInfo)(env?.getGameInfo());
Console.Out.WriteLine("\n**GAME STATISTICS**");
Console.Out.WriteLine(" Last round score: {0}\n", gameInfo?.getScore());
Console.Out.WriteLine(" Best round score: {0}\n", gameInfo?.getBestScore());
Console.Out.WriteLine(" Game high score: {0}\n", gameInfo?.getBestScore());
Console.Out.WriteLine(" Number of times destroyed: {0}\n", gameInfo?.getNumDeaths());
}
}
private MwnpMessage getMessage(int length)
{
StringBuilder builder = new StringBuilder("[");
for (int i = 0; i < length - 1; i++)
{
int currByte = inStream.ReadByte();
if (currByte == -1)
{
return(null);
}
builder.Append((char)currByte);
}
string message = builder.ToString();
return(MwnpMessage.parseMessage(message));
}
public void sendMessage(MwnpMessage msg)
{
if (sock.Connected)
{
string msgstring = msg.toJsonstring();
outStream.Write(msgstring);
outStream.Flush();
Console.Out.WriteLine(msg);
if (LOGGING)
{
printMessage(msg);
}
}
else
{
Console.Error.WriteLine("Failed to send message -- output socket closed.");
logStream.WriteLine("Failed to send message -- output socket closed.");
}
}
private void run()
{
while (running)
{
try
{
int msgSize = getMessageLength();
if (msgSize == -1)
{
return;
}
MwnpMessage msg = getMessage(msgSize);
if (msg == null)
{
return;
}
client.parseMessage(msg);
if (LOGGING)
{
printMessage(msg);
}
Thread.Sleep(1);
}
catch (IOException ex)
{
Console.Error.WriteLine("Server read error...");
Console.Error.WriteLine(ex.ToString());
}
catch (Exception e)
{
Console.Error.WriteLine(e.ToString());
}
}
}
private void printMessage(MwnpMessage message)
{
logStream.Write("Message sent from {0} to {1} - \r\n", message.getSenderId(), message.getReceiverId());
logStream.WriteLine(message);
}
public void parseMessage(MwnpMessage msg)
{
if (msg.getCommand().Equals("MWNL2_ASSIGNMENT"))
{
MwnpMessage dMsg = (MwnpMessage)msg;
this.netId = (int)((Double)(dMsg.getData()));
}
else if (msg.getCommand().Equals("MWNL2_AC"))
{
Console.Error.WriteLine("Already connected from this IP address. Exiting...");
Environment.Exit(1);
}
else if (msg.getCommand().Equals("REQUEST"))
{
StringStringMap map = (StringStringMap)msg.getData();
int numImages = int.Parse(map["IMAGELENGTH"]);
int width = int.Parse(map["WORLDWIDTH"]);
int height = int.Parse(map["WORLDHEIGHT"]);
MwnpMessage.RegisterGameType(map["GAMENAME"]);
// TODO: Some games may return extra data in the map, we should figure out how we want to expose this in the client
RegistrationData data = ship.registerShip(numImages, width, height);
data = new RegistrationData(data.getName(), data.getColor(), data.getImage());
MwnpMessage response = new MwnpMessage(new int[] { netId, 0 }, data);
messenger.sendMessage(response);
}
else if (msg.getCommand().Equals("ENV"))
{
env = (Environment <T>)msg.getData();
// check for death
int currShipId = env.getShipStatus().getId();
if (shipId == -1)
{
shipId = currShipId;
}
if (shipId != currShipId)
{
// new id means ship has died; inform ship
ship.shipDestroyed(((BasicGameInfo)env.getGameInfo()).getLastDestroyedBy());
shipId = currShipId;
}
ShipCommand cmd = null;
try
{
cmd = ship.getNextCommand(env);
}
catch (Exception ex)
{
// typically means ship has an exception; skip to the actual problem to avoid confusion
Console.Error.WriteLine("Exception thrown by getNextCommand: \n" + ex.ToString());
disconnect();
}
if (cmd == null)
{
cmd = new IdleCommand(0.1);
}
MwnpMessage response = new MwnpMessage(new int[] { netId, 0 }, cmd);
messenger.sendMessage(response);
}
else if (msg.getCommand().Equals("ERROR"))
{
logMessage(msg.getData().ToString());
Console.Error.WriteLine(msg.getData().ToString());
//ship.processError((ErrorData)msg.getData());
}
else if (msg.getCommand().Equals("MWNL2_DISCONNECT"))
{
this.disconnect();
}
}
private void printMessage(MwnpMessage message)
{
(logStream ?? Console.Out).Write("Message received from {0} intended for {1} - \r\n", message.getSenderId(), message.getReceiverId());
(logStream ?? Console.Out).WriteLine(message.ToString());
}
