public void enqueuePluginInteropMessage(KLFCommon.PluginInteropMessageID id, byte[] data)
{
InteropMessage message = new InteropMessage();
message.id = (int)id;
message.data = data;
interopInQueue.Enqueue(message);
}
protected override void SendClientInteropMessage(KLFCommon.ClientInteropMessageID id, byte[] data)
{
InteropMessage message = new InteropMessage();
message.id = (int)id;
message.data = data;
InteropOutQueue.Enqueue(message);
}
protected override void messageReceived(KLFCommon.ServerMessageID id, byte[] data)
{
ServerMessage message;
message.id = id;
message.data = data;
lock (serverMessageQueueLock)
{
serverMessageQueue.Enqueue(message);
}
}
static void handleMessage(KLFCommon.ServerMessageID id, byte[] data)
{
ASCIIEncoding encoder = new ASCIIEncoding();
switch (id)
{
case KLFCommon.ServerMessageID.HANDSHAKE:
Int32 protocol_version = KLFCommon.intFromBytes(data);
String server_version = encoder.GetString(data, 4, data.Length - 4);
Console.WriteLine("Handshake received. Server is running version: "+server_version);
//End the session if the protocol versions don't match
if (protocol_version != KLFCommon.NET_PROTOCOL_VERSION)
{
Console.WriteLine("Server version is incompatible with client version. Ending session.");
endSession = true;
}
else
{
tcpSendMutex.WaitOne();
sendHandshakeMessage(); //Reply to the handshake
tcpSendMutex.ReleaseMutex();
}
break;
case KLFCommon.ServerMessageID.HANDSHAKE_REFUSAL:
String refusal_message = encoder.GetString(data, 0, data.Length);
Console.WriteLine("Server refused connection. Reason: " + refusal_message);
endSession = true;
break;
case KLFCommon.ServerMessageID.SERVER_MESSAGE:
InTextMessage in_message = new InTextMessage();
in_message.fromServer = true;
in_message.message = encoder.GetString(data, 0, data.Length);
//Queue the message
textMessageQueueMutex.WaitOne();
enqueueTextMessage(in_message);
textMessageQueueMutex.ReleaseMutex();
break;
case KLFCommon.ServerMessageID.TEXT_MESSAGE:
in_message = new InTextMessage();
in_message.fromServer = false;
in_message.message = encoder.GetString(data, 0, data.Length);
//Queue the message
textMessageQueueMutex.WaitOne();
enqueueTextMessage(in_message);
textMessageQueueMutex.ReleaseMutex();
break;
case KLFCommon.ServerMessageID.PLUGIN_UPDATE:
//Add the update the queue
pluginUpdateInMutex.WaitOne();
pluginUpdateInQueue.Enqueue(data);
pluginUpdateInMutex.ReleaseMutex();
break;
case KLFCommon.ServerMessageID.SERVER_SETTINGS:
serverSettingsMutex.WaitOne();
updateInterval = KLFCommon.intFromBytes(data, 0);
maxQueuedUpdates = KLFCommon.intFromBytes(data, 4);
serverSettingsMutex.ReleaseMutex();
break;
}
}
//Messages
private static void sendMessageHeader(KLFCommon.ClientMessageID id, int msg_length)
{
tcpClient.GetStream().Write(KLFCommon.intToBytes((int)id), 0, 4);
tcpClient.GetStream().Write(KLFCommon.intToBytes(msg_length), 0, 4);
}
protected abstract void sendClientInteropMessage(KLFCommon.ClientInteropMessageID id, byte[] data);
protected void SendMessageTcp(KLFCommon.ClientMessageID id, byte[] data)
{
byte[] messageBytes = BuildMessageByteArray(id, data);
lock (TcpSendLock)
{
try
{
TcpConnection.GetStream().Write(messageBytes, 0, messageBytes.Length);
}
catch (System.InvalidOperationException) {}
catch (System.IO.IOException) {}
}
LastTcpMessageSendTime = ClientStopwatch.ElapsedMilliseconds;
}
public void handleMessage(int client_index, KLFCommon.ClientMessageID id, byte[] data)
{
if (!clientIsValid(client_index))
return;
debugConsoleWriteLine("Message id: " + id.ToString() + " data: " + (data != null ? data.Length.ToString() : "0"));
UnicodeEncoding encoder = new UnicodeEncoding();
switch (id)
{
case KLFCommon.ClientMessageID.HANDSHAKE:
if (data != null)
{
StringBuilder sb = new StringBuilder();
//Read username
Int32 username_length = KLFCommon.intFromBytes(data, 0);
String username = encoder.GetString(data, 4, username_length);
int offset = 4 + username_length;
String version = encoder.GetString(data, offset, data.Length - offset);
String username_lower = username.ToLower();
bool accepted = true;
//Ensure no other players have the same username
for (int i = 0; i < clients.Length; i++)
{
if (i != client_index && clientIsReady(i) && clients[i].username.ToLower() == username_lower)
{
//Disconnect the player
disconnectClient(client_index, "Your username is already in use.");
stampedConsoleWriteLine("Rejected client due to duplicate username: "******"Your Client is Outdated Please Update");
stampedConsoleWriteLine("Rejected client due to wrong version : " + version + " New "+ KLFCommon.PROGRAM_VERSION);
accepted = false;
break;
}
if (!accepted)
break;
//Send the active user count to the client
if (numClients == 2)
{
//Get the username of the other user on the server
sb.Append("There is currently 1 other user on this server: ");
for (int i = 0; i < clients.Length; i++)
{
if (i != client_index && clientIsReady(i))
{
sb.Append(clients[i].username);
break;
}
}
}
else
{
sb.Append("There are currently ");
sb.Append(numClients - 1);
sb.Append(" other users on this server.");
if (numClients > 1)
{
sb.Append(" Enter !list to see them.");
}
}
clients[client_index].username = username;
clients[client_index].receivedHandshake = true;
sendServerMessage(client_index, sb.ToString());
sendServerSettings(client_index);
stampedConsoleWriteLine(username + " ("+getClientIP(client_index).ToString()+") has joined the server using client version " + version);
if (!clients[client_index].messagesThrottled)
{
//Build join message
sb.Clear();
sb.Append("User ");
sb.Append(username);
sb.Append(" has joined the server.");
//Send the join message to all other clients
sendServerMessageToAll(sb.ToString(), client_index);
}
messageFloodIncrement(client_index);
}
break;
case KLFCommon.ClientMessageID.PRIMARY_PLUGIN_UPDATE:
case KLFCommon.ClientMessageID.SECONDARY_PLUGIN_UPDATE:
if (data != null && clientIsReady(client_index))
{
#if SEND_UPDATES_TO_SENDER
sendPluginUpdateToAll(data, id == KLFCommon.ClientMessageID.SECONDARY_PLUGIN_UPDATE);
#else
sendPluginUpdateToAll(data, id == KLFCommon.ClientMessageID.SECONDARY_PLUGIN_UPDATE, client_index);
#endif
}
break;
case KLFCommon.ClientMessageID.TEXT_MESSAGE:
if (data != null && clientIsReady(client_index))
handleClientTextMessage(client_index, encoder.GetString(data, 0, data.Length));
break;
case KLFCommon.ClientMessageID.SCREEN_WATCH_PLAYER:
if (!clientIsReady(client_index) || data == null || data.Length < 9)
break;
bool send_screenshot = data[0] != 0;
int watch_index = KLFCommon.intFromBytes(data, 1);
int current_index = KLFCommon.intFromBytes(data, 5);
String watch_name = encoder.GetString(data, 9, data.Length - 9);
bool watch_name_changed = false;
lock (clients[client_index].watchPlayerNameLock)
{
if (watch_name != clients[client_index].watchPlayerName || watch_index != clients[client_index].watchPlayerIndex)
{
//Set the watch player name
clients[client_index].watchPlayerIndex = watch_index;
clients[client_index].watchPlayerName = watch_name;
watch_name_changed = true;
}
}
if (send_screenshot && watch_name_changed && watch_name.Length > 0)
{
//Try to find the player the client is watching and send that player's current screenshot
int watched_index = getClientIndexByName(watch_name);
if (clientIsReady(watched_index))
{
Screenshot screenshot = null;
lock (clients[watched_index].screenshotLock)
{
screenshot = clients[watched_index].getScreenshot(watch_index);
if (screenshot == null && watch_index == -1)
screenshot = clients[watched_index].lastScreenshot;
}
if (screenshot != null && screenshot.index != current_index)
{
sendScreenshot(client_index, screenshot);
}
}
}
break;
case KLFCommon.ClientMessageID.SCREENSHOT_SHARE:
if (data != null && data.Length <= settings.screenshotSettings.maxNumBytes && clientIsReady(client_index))
{
if (!clients[client_index].screenshotsThrottled)
{
StringBuilder sb = new StringBuilder();
Screenshot screenshot = new Screenshot();
screenshot.setFromByteArray(data);
//Set the screenshot for the player
lock (clients[client_index].screenshotLock)
{
clients[client_index].pushScreenshot(screenshot);
}
sb.Append(clients[client_index].username);
sb.Append(" has shared a screenshot.");
sendTextMessageToAll(sb.ToString());
stampedConsoleWriteLine(sb.ToString());
//Send the screenshot to every client watching the player
sendScreenshotToWatchers(client_index, screenshot);
if (settings.saveScreenshots)
saveScreenshot(screenshot, clients[client_index].username);
SHARED_SCREEN_SHOTS += 1;
}
bool was_throttled = clients[client_index].screenshotsThrottled;
clients[client_index].screenshotFloodIncrement();
if (!was_throttled && clients[client_index].screenshotsThrottled)
{
long throttle_secs = settings.screenshotFloodThrottleTime / 1000;
sendServerMessage(client_index, "You have been restricted from sharing screenshots for " + throttle_secs + " seconds.");
stampedConsoleWriteLine(clients[client_index].username + " has been restricted from sharing screenshots for " + throttle_secs + " seconds.");
}
else if (clients[client_index].throttleState.messageFloodCounter == settings.screenshotFloodLimit - 1)
sendServerMessage(client_index, "Warning: You are sharing too many screenshots.");
}
break;
case KLFCommon.ClientMessageID.CONNECTION_END:
String message = String.Empty;
if (data != null)
message = encoder.GetString(data, 0, data.Length); //Decode the message
disconnectClient(client_index, message); //Disconnect the client
break;
case KLFCommon.ClientMessageID.SHARE_CRAFT_FILE:
if (clientIsReady(client_index) && data != null
&& data.Length > 5 && (data.Length - 5) <= KLFCommon.MAX_CRAFT_FILE_BYTES)
{
if (clients[client_index].messagesThrottled)
{
messageFloodIncrement(client_index);
break;
}
messageFloodIncrement(client_index);
//Read craft name length
byte craft_type = data[0];
int craft_name_length = KLFCommon.intFromBytes(data, 1);
if (craft_name_length < data.Length - 5)
{
//Read craft name
String craft_name = encoder.GetString(data, 5, craft_name_length);
//Read craft bytes
byte[] craft_bytes = new byte[data.Length - craft_name_length - 5];
Array.Copy(data, 5 + craft_name_length, craft_bytes, 0, craft_bytes.Length);
lock (clients[client_index].sharedCraftLock)
{
clients[client_index].sharedCraftName = craft_name;
clients[client_index].sharedCraftFile = craft_bytes;
clients[client_index].sharedCraftType = craft_type;
}
//Send a message to players informing them that a craft has been shared
StringBuilder sb = new StringBuilder();
sb.Append(clients[client_index].username);
sb.Append(" shared ");
sb.Append(craft_name);
switch (craft_type)
{
case KLFCommon.CRAFT_TYPE_VAB:
sb.Append(" (VAB)");
break;
case KLFCommon.CRAFT_TYPE_SPH:
sb.Append(" (SPH)");
break;
}
stampedConsoleWriteLine(sb.ToString());
sb.Append(" . Enter !getcraft ");
sb.Append(clients[client_index].username);
sb.Append(" to get it.");
sendTextMessageToAll(sb.ToString());
}
}
break;
case KLFCommon.ClientMessageID.ACTIVITY_UPDATE_IN_FLIGHT:
clients[client_index].updateActivityLevel(ServerClient.ActivityLevel.IN_FLIGHT);
break;
case KLFCommon.ClientMessageID.ACTIVITY_UPDATE_IN_GAME:
clients[client_index].updateActivityLevel(ServerClient.ActivityLevel.IN_GAME);
break;
case KLFCommon.ClientMessageID.PING:
clients[client_index].queueOutgoingMessage(KLFCommon.ServerMessageID.PING_REPLY, null);
break;
}
debugConsoleWriteLine("Handled message");
}
protected void handleMessage(KLFCommon.ServerMessageID id, byte[] data)
{
switch (id)
{
case KLFCommon.ServerMessageID.HANDSHAKE:
Int32 protocol_version = KLFCommon.intFromBytes(data);
if (data.Length >= 8)
{
Int32 server_version_length = KLFCommon.intFromBytes(data, 4);
if (data.Length >= 12 + server_version_length)
{
String server_version = encoder.GetString(data, 8, server_version_length);
clientID = KLFCommon.intFromBytes(data, 8 + server_version_length);
Console.WriteLine("Handshake received. Server is running version: " + server_version);
}
}
//End the session if the protocol versions don't match
if (protocol_version != KLFCommon.NET_PROTOCOL_VERSION)
{
Console.WriteLine("Server version is incompatible with client version.");
endSession = true;
intentionalConnectionEnd = true;
}
else
{
sendHandshakeMessage(); //Reply to the handshake
lock (udpTimestampLock)
{
lastUDPMessageSendTime = stopwatch.ElapsedMilliseconds;
}
handshakeCompleted = true;
}
break;
case KLFCommon.ServerMessageID.HANDSHAKE_REFUSAL:
String refusal_message = encoder.GetString(data, 0, data.Length);
endSession = true;
intentionalConnectionEnd = true;
enqueuePluginChatMessage("Server refused connection. Reason: " + refusal_message, true);
break;
case KLFCommon.ServerMessageID.SERVER_MESSAGE:
case KLFCommon.ServerMessageID.TEXT_MESSAGE:
if (data != null)
{
InTextMessage in_message = new InTextMessage();
in_message.fromServer = (id == KLFCommon.ServerMessageID.SERVER_MESSAGE);
in_message.message = encoder.GetString(data, 0, data.Length);
//Queue the message
enqueueTextMessage(in_message);
}
break;
case KLFCommon.ServerMessageID.PLUGIN_UPDATE:
if (data != null)
sendClientInteropMessage(KLFCommon.ClientInteropMessageID.PLUGIN_UPDATE, data);
break;
case KLFCommon.ServerMessageID.SERVER_SETTINGS:
lock (serverSettingsLock)
{
if (data != null && data.Length >= KLFCommon.SERVER_SETTINGS_LENGTH && handshakeCompleted)
{
updateInterval = KLFCommon.intFromBytes(data, 0);
screenshotInterval = KLFCommon.intFromBytes(data, 4);
lock (clientDataLock)
{
int new_screenshot_height = KLFCommon.intFromBytes(data, 8);
if (screenshotSettings.maxHeight != new_screenshot_height)
{
screenshotSettings.maxHeight = new_screenshot_height;
lastClientDataChangeTime = stopwatch.ElapsedMilliseconds;
enqueueTextMessage("Screenshot Height has been set to " + screenshotSettings.maxHeight);
}
if (inactiveShipsPerUpdate != data[12])
{
inactiveShipsPerUpdate = data[12];
lastClientDataChangeTime = stopwatch.ElapsedMilliseconds;
}
}
}
}
break;
case KLFCommon.ServerMessageID.SCREENSHOT_SHARE:
if (data != null && data.Length > 0 && data.Length < screenshotSettings.maxNumBytes
&& watchPlayerName.Length > 0)
{
//Cache the screenshot
Screenshot screenshot = new Screenshot();
screenshot.setFromByteArray(data);
cacheScreenshot(screenshot);
//Send the screenshot to the client
sendClientInteropMessage(KLFCommon.ClientInteropMessageID.SCREENSHOT_RECEIVE, data);
}
break;
case KLFCommon.ServerMessageID.CONNECTION_END:
if (data != null)
{
String message = encoder.GetString(data, 0, data.Length);
endSession = true;
//If the reason is not a timeout, connection end is intentional
intentionalConnectionEnd = message.ToLower() != "timeout";
enqueuePluginChatMessage("Server closed the connection: " + message, true);
}
break;
case KLFCommon.ServerMessageID.UDP_ACKNOWLEDGE:
lock (udpTimestampLock)
{
lastUDPAckReceiveTime = stopwatch.ElapsedMilliseconds;
}
break;
case KLFCommon.ServerMessageID.CRAFT_FILE:
if (data != null && data.Length > 4)
{
//Read craft name length
byte craft_type = data[0];
int craft_name_length = KLFCommon.intFromBytes(data, 1);
if (craft_name_length < data.Length - 5)
{
//Read craft name
String craft_name = encoder.GetString(data, 5, craft_name_length);
//Read craft bytes
byte[] craft_bytes = new byte[data.Length - craft_name_length - 5];
Array.Copy(data, 5 + craft_name_length, craft_bytes, 0, craft_bytes.Length);
//Write the craft to a file
String filename = getCraftFilename(craft_name, craft_type);
if (filename != null)
{
try
{
File.WriteAllBytes(filename, craft_bytes);
enqueueTextMessage("Received craft file: " + craft_name);
}
catch
{
enqueueTextMessage("Error saving received craft file: " + craft_name);
}
}
else
enqueueTextMessage("Unable to save received craft file.");
}
}
break;
case KLFCommon.ServerMessageID.PING_REPLY:
if (pingStopwatch.IsRunning)
{
enqueueTextMessage("Ping Reply: " + pingStopwatch.ElapsedMilliseconds + "ms");
pingStopwatch.Stop();
pingStopwatch.Reset();
}
break;
}
}
protected void SendMessageUdp(KLFCommon.ClientMessageID id, byte[] data)
{
if (UdpSocket != null)
{
try
{
UdpSocket.Send(BuildMessageByteArray(id, data, KLFCommon.IntToBytes(ClientID)));
}
catch { }
lock (UdpTimestampLock)
{
LastUdpMessageSendTime = ClientStopwatch.ElapsedMilliseconds;
}
}
}
public void queueOutgoingMessage(KLFCommon.ServerMessageID id, byte[] data)
{
queueOutgoingMessage(Server.buildMessageArray(id, data));
}
public void HandleMessage(int clientIndex, KLFCommon.ClientMessageID id, byte[] data)
{
if (!ValidClient(clientIndex))
return;
DebugConsoleWriteLine("Message id: " + id.ToString() + " data: " + (data != null ? data.Length.ToString() : "0"));
UnicodeEncoding encoder = new UnicodeEncoding();
switch (id)
{
case KLFCommon.ClientMessageID.Handshake:
if (data != null)
{
StringBuilder sb = new StringBuilder();
//Read username
Int32 usernameLength = KLFCommon.BytesToInt(data, 0);
String username = encoder.GetString(data, 4, usernameLength);
int offset = 4 + usernameLength;
String version = encoder.GetString(data, offset, data.Length - offset);
String usernameLower = username.ToLower();
bool accepted = true;
//Ensure no other players have the same username
for (int i = 0; i < Clients.Length; i++)
{
if (i != clientIndex && ClientIsReady(i) && Clients[i].Username.ToLower() == usernameLower)
{
//Disconnect the player
DisconnectClient(clientIndex, "Your username is already in use.");
StampedConsoleWriteLine("Rejected client due to duplicate username: "******"There is currently 1 other user on this server: ");
for (int i = 0; i < Clients.Length; i++)
{
if (i != clientIndex && ClientIsReady(i))
{
sb.Append(Clients[i].Username);
break;
}
}
}
else
{
sb.Append("There are currently ");
sb.Append(NumClients - 1);
sb.Append(" other users on this server.");
if (NumClients > 1)
sb.Append(" Enter /list to see them.");
}
Clients[clientIndex].Username = username;
Clients[clientIndex].ReceivedHandshake = true;
SendServerMessage(clientIndex, sb.ToString());
SendServerSettings(clientIndex);
StampedConsoleWriteLine(username + " ("+GetClientIP(clientIndex).ToString()+") has joined the server using client version " + version);
if (!Clients[clientIndex].MessagesThrottled)
{//Build join message
sb.Clear();
sb.Append("User ");
sb.Append(username);
sb.Append(" has joined the server.");
//Send the join message to all other Clients
SendServerMessageToAll(sb.ToString(), clientIndex);
}
MessageFloodIncrement(clientIndex);
}
break;
case KLFCommon.ClientMessageID.PrimaryPluginUpdate:
case KLFCommon.ClientMessageID.SecondaryPluginUpdate:
if (data != null && ClientIsReady(clientIndex))
{
#if SEND_UPDATES_TO_SENDER
SendPluginUpdateToAll(data, id == KLFCommon.ClientMessageID.SecondaryPluginUpdate);
#else
SendPluginUpdateToAll(data, id == KLFCommon.ClientMessageID.SecondaryPluginUpdate, clientIndex);
#endif
}
break;
case KLFCommon.ClientMessageID.TextMessage:
if (data != null && ClientIsReady(clientIndex))
HandleClientTextMessage(clientIndex, encoder.GetString(data, 0, data.Length));
break;
case KLFCommon.ClientMessageID.ScreenWatchPlayer:
if(!ClientIsReady(clientIndex)
|| data == null
|| data.Length < 9)
break;
bool sendScreenshot = data[0] != 0;
int watchIndex = KLFCommon.BytesToInt(data, 1);
int currentIndex = KLFCommon.BytesToInt(data, 5);
String watchName = encoder.GetString(data, 9, data.Length - 9);
bool watchNameChanged = false;
lock (Clients[clientIndex].WatchPlayerNameLock)
{
if(watchName != Clients[clientIndex].WatchPlayerName
|| watchIndex != Clients[clientIndex].WatchPlayerIndex)
{//Set the watch player name
Clients[clientIndex].WatchPlayerIndex = watchIndex;
Clients[clientIndex].WatchPlayerName = watchName;
watchNameChanged = true;
}
}
if (sendScreenshot && watchNameChanged && watchName.Length > 0)
{//Try to find the player the client is watching and send that player's current screenshot
int watchedIndex = GetClientIndexByName(watchName);
if (ClientIsReady(watchedIndex))
{
Screenshot screenshot = null;
lock (Clients[watchedIndex].ScreenshotLock)
{
screenshot = Clients[watchedIndex].GetScreenshot(watchIndex);
if (screenshot == null && watchIndex == -1)
screenshot = Clients[watchedIndex].LastScreenshot;
}
if(screenshot != null
&& screenshot.Index != currentIndex)
SendScreenshot(clientIndex, screenshot);
}
}
break;
case KLFCommon.ClientMessageID.ScreenshotShare:
if (data != null && data.Length <= Configuration.ScreenshotSettings.MaxNumBytes && ClientIsReady(clientIndex))
{
if (!Clients[clientIndex].ScreenshotsThrottled)
{
StringBuilder sb = new StringBuilder();
Screenshot screenshot = new Screenshot();
screenshot.SetFromByteArray(data);
//Set the screenshot for the player
lock (Clients[clientIndex].ScreenshotLock)
{
Clients[clientIndex].PushScreenshot(screenshot);
}
sb.Append(Clients[clientIndex].Username);
sb.Append(" has shared a screenshot.");
SendTextMessageToAll(sb.ToString());
StampedConsoleWriteLine(sb.ToString());
//Send the screenshot to every client watching the player
SendScreenshotToWatchers(clientIndex, screenshot);
if (Configuration.SaveScreenshots)
saveScreenshot(screenshot, Clients[clientIndex].Username);
}
bool throttled = Clients[clientIndex].ScreenshotsThrottled;
Clients[clientIndex].ScreenshotFloodIncrement();
if (!throttled && Clients[clientIndex].ScreenshotsThrottled)
{
long throttleSeconds = Configuration.ScreenshotFloodThrottleTime / 1000;
SendServerMessage(clientIndex, "You have been restricted from sharing screenshots for " + throttleSeconds + " seconds.");
StampedConsoleWriteLine(Clients[clientIndex].Username + " has been restricted from sharing screenshots for " + throttleSeconds + " seconds.");
}
else if (Clients[clientIndex].CurrentThrottle.MessageFloodCounter == Configuration.ScreenshotFloodLimit - 1)
SendServerMessage(clientIndex, "Warning: You are sharing too many screenshots.");
}
break;
case KLFCommon.ClientMessageID.ConnectionEnd:
String message = String.Empty;
if (data != null)
message = encoder.GetString(data, 0, data.Length); //Decode the message
DisconnectClient(clientIndex, message); //Disconnect the client
break;
case KLFCommon.ClientMessageID.ShareCraftFile:
if(ClientIsReady(clientIndex)
&& data != null
&& data.Length > 5
&& (data.Length - 5) <= KLFCommon.MaxCraftFileBytes)
{
if (Clients[clientIndex].MessagesThrottled)
{
MessageFloodIncrement(clientIndex);
break;
}
MessageFloodIncrement(clientIndex);
//Read craft name length
byte craftType = data[0];
int craftNameLength = KLFCommon.BytesToInt(data, 1);
if (craftNameLength < data.Length - 5)
{
//Read craft name
String craftName = encoder.GetString(data, 5, craftNameLength);
//Read craft bytes
byte[] craftBytes = new byte[data.Length - craftNameLength - 5];
Array.Copy(data, 5 + craftNameLength, craftBytes, 0, craftBytes.Length);
lock (Clients[clientIndex].SharedCraftLock)
{
Clients[clientIndex].SharedCraftName = craftName;
Clients[clientIndex].SharedCraftFile = craftBytes;
Clients[clientIndex].SharedCraftType = craftType;
}
//Send a message to players informing them that a craft has been shared
StringBuilder sb = new StringBuilder();
sb.Append(Clients[clientIndex].Username);
sb.Append(" shared ");
sb.Append(craftName);
switch (craftType)
{
case KLFCommon.CraftTypeVab:
sb.Append(" (VAB)");
break;
case KLFCommon.CraftTypeSph:
sb.Append(" (SPH)");
break;
}
StampedConsoleWriteLine(sb.ToString());
sb.Append(" . Enter " + KLFCommon.GetCraftCommand);
sb.Append(Clients[clientIndex].Username);
sb.Append(" to get it.");
SendTextMessageToAll(sb.ToString());
}
}
break;
case KLFCommon.ClientMessageID.ActivityUpdateInFlight:
Clients[clientIndex].UpdateActivity(ServerClient.Activity.InFlight);
break;
case KLFCommon.ClientMessageID.ActivityUpdateInGame:
Clients[clientIndex].UpdateActivity(ServerClient.Activity.InGame);
break;
case KLFCommon.ClientMessageID.Ping:
Clients[clientIndex].QueueOutgoingMessage(KLFCommon.ServerMessageID.PingReply, null);
break;
}
DebugConsoleWriteLine("Handled message");
}
//Messages
public void QueueClientMessage(int clientIndex, KLFCommon.ClientMessageID id, byte[] data)
{
ClientMessage message = new ClientMessage();
message.ClientIndex = clientIndex;
message.ID = id;
message.Data = data;
ClientMessageQueue.Enqueue(message);
}
public static byte[] BuildMessageArray(KLFCommon.ServerMessageID id, byte[] data)
{
//Construct the byte array for the message
int messageDataLength = 0;
if (data != null)
messageDataLength = data.Length;
byte[] messageBytes = new byte[KLFCommon.MessageHeaderLength + messageDataLength];
KLFCommon.IntToBytes((int)id).CopyTo(messageBytes, 0);
KLFCommon.IntToBytes(messageDataLength).CopyTo(messageBytes, 4);
if (data != null)
data.CopyTo(messageBytes, KLFCommon.MessageHeaderLength);
return messageBytes;
}
private void SendMessageHeaderDirect(TcpClient client, KLFCommon.ServerMessageID id, int msgLength)
{
client.GetStream().Write(KLFCommon.IntToBytes((int)id), 0, 4);
client.GetStream().Write(KLFCommon.IntToBytes(msgLength), 0, 4);
DebugConsoleWriteLine("Sending message: " + id.ToString());
}
//Messages
public void queueClientMessage(int client_index, KLFCommon.ClientMessageID id, byte[] data)
{
ClientMessage message = new ClientMessage();
message.clientIndex = client_index;
message.id = id;
message.data = data;
clientMessageQueue.Enqueue(message);
}
private void enqueuePluginInteropMessage(KLFCommon.PluginInteropMessageID id, byte[] data)
{
int msg_data_length = 0;
if (data != null)
msg_data_length = data.Length;
byte[] message_bytes = new byte[KLFCommon.INTEROP_MSG_HEADER_LENGTH + msg_data_length];
KLFCommon.intToBytes((int)id).CopyTo(message_bytes, 0);
KLFCommon.intToBytes(msg_data_length).CopyTo(message_bytes, 4);
if (data != null)
data.CopyTo(message_bytes, KLFCommon.INTEROP_MSG_HEADER_LENGTH);
interopOutQueue.Enqueue(message_bytes);
//Enforce max queue size
while (interopOutQueue.Count > INTEROP_MAX_QUEUE_SIZE)
interopOutQueue.Dequeue();
}
protected void sendMessageTCP(KLFCommon.ClientMessageID id, byte[] data)
{
byte[] message_bytes = buildMessageByteArray(id, data);
lock (tcpSendLock)
{
try
{
//Send message
tcpClient.GetStream().Write(message_bytes, 0, message_bytes.Length);
}
catch (System.InvalidOperationException) { }
catch (System.IO.IOException) { }
}
lastTCPMessageSendTime = stopwatch.ElapsedMilliseconds;
}
private void handleInteropMessage(KLFCommon.ClientInteropMessageID id, byte[] data)
{
switch (id)
{
case KLFCommon.ClientInteropMessageID.CHAT_RECEIVE:
if (data != null)
{
KLFChatDisplay.enqueueChatLine(encoder.GetString(data));
}
break;
case KLFCommon.ClientInteropMessageID.CLIENT_DATA:
if (data != null && data.Length > 9)
{
//Read inactive vessels per update count
inactiveVesselsPerUpdate = data[0];
//Read screenshot height
KLFScreenshotDisplay.screenshotSettings.maxHeight = KLFCommon.intFromBytes(data, 1);
updateInterval = ((float)KLFCommon.intFromBytes(data, 5))/1000.0f;
//Read username
playerName = encoder.GetString(data, 9, data.Length - 9);
}
break;
case KLFCommon.ClientInteropMessageID.PLUGIN_UPDATE:
if (data != null)
{
//De-serialize and handle the update
handleUpdate(KSP.IO.IOUtils.DeserializeFromBinary(data));
}
break;
case KLFCommon.ClientInteropMessageID.SCREENSHOT_RECEIVE:
if (data != null)
{
Debug.Log("Received screenshot");
KLFScreenshotDisplay.screenshot.setFromByteArray(data);
if (KLFScreenshotDisplay.screenshot.image.Length <= KLFScreenshotDisplay.screenshotSettings.maxNumBytes)
{
if (KLFScreenshotDisplay.texture == null)
KLFScreenshotDisplay.texture = new Texture2D(4, 4, TextureFormat.RGB24, false, true);
if (KLFScreenshotDisplay.texture.LoadImage(KLFScreenshotDisplay.screenshot.image))
{
KLFScreenshotDisplay.texture.Apply();
//Make sure the screenshot texture does not exceed the size limits
if (KLFScreenshotDisplay.texture.width > KLFScreenshotDisplay.screenshotSettings.maxWidth
|| KLFScreenshotDisplay.texture.height > KLFScreenshotDisplay.screenshotSettings.maxHeight)
{
KLFScreenshotDisplay.screenshot.clear();
}
}
else
{
KLFScreenshotDisplay.screenshot.clear();
}
KLFScreenshotDisplay.screenshot.image = null;
}
}
break;
}
}
protected byte[] buildMessageByteArray(KLFCommon.ClientMessageID id, byte[] data, byte[] prefix = null)
{
int prefix_length = 0;
if (prefix != null)
prefix_length = prefix.Length;
int msg_data_length = 0;
if (data != null)
msg_data_length = data.Length;
byte[] message_bytes = new byte[KLFCommon.MSG_HEADER_LENGTH + msg_data_length + prefix_length];
int index = 0;
if (prefix != null)
{
prefix.CopyTo(message_bytes, index);
index += 4;
}
KLFCommon.intToBytes((int)id).CopyTo(message_bytes, index);
index += 4;
KLFCommon.intToBytes(msg_data_length).CopyTo(message_bytes, index);
index += 4;
if (data != null)
{
data.CopyTo(message_bytes, index);
index += data.Length;
}
return message_bytes;
}
//Messages
private void messageReceived(KLFCommon.ClientMessageID id, byte[] data)
{
parent.queueClientMessage(clientIndex, id, data);
}
public static byte[] buildMessageArray(KLFCommon.ServerMessageID id, byte[] data)
{
//Construct the byte array for the message
int msg_data_length = 0;
if (data != null)
msg_data_length = data.Length;
byte[] message_bytes = new byte[KLFCommon.MSG_HEADER_LENGTH + msg_data_length];
KLFCommon.intToBytes((int)id).CopyTo(message_bytes, 0);
KLFCommon.intToBytes(msg_data_length).CopyTo(message_bytes, 4);
if (data != null)
data.CopyTo(message_bytes, KLFCommon.MSG_HEADER_LENGTH);
return message_bytes;
}
protected void sendMessageUDP(KLFCommon.ClientMessageID id, byte[] data)
{
if (udpSocket != null)
{
//Send the packet
try
{
udpSocket.Send(buildMessageByteArray(id, data, KLFCommon.intToBytes(clientID)));
}
catch { }
lock (udpTimestampLock)
{
lastUDPMessageSendTime = stopwatch.ElapsedMilliseconds;
}
}
}
private void handleInteropMessage(KLFCommon.ClientInteropMessageID id, byte[] data)
{
switch (id)
{
case KLFCommon.ClientInteropMessageID.CHAT_RECEIVE:
if (data != null)
{
string NNmessage = encoder.GetString(data);
if (!KLFGlobalSettings.instance.chatWindowEnabled || !KLFInfoDisplay.infoDisplayActive)
{
KLF_Button.SetTexture(KLF_button_alert); KLF_button_alert_anim = 1;
if (KLFGlobalSettings.instance.SendNotifications)
{
MessageSystem.Message m = new MessageSystem.Message("Kerbal Live Feed Activity", NNmessage, MessageSystemButton.MessageButtonColor.YELLOW, MessageSystemButton.ButtonIcons.MESSAGE);
MessageSystem.Instance.AddMessage(m);
}
}
KLFChatDisplay.enqueueChatLine(NNmessage);
}
break;
case KLFCommon.ClientInteropMessageID.CLIENT_DATA:
if (data != null && data.Length > 9)
{
//Read inactive vessels per update count
inactiveVesselsPerUpdate = data[0];
//Read screenshot height
KLFScreenshotDisplay.screenshotSettings.maxHeight = KLFCommon.intFromBytes(data, 1);
updateInterval = ((float)KLFCommon.intFromBytes(data, 5)) / 1000.0f;
//Read username
playerName = encoder.GetString(data, 9, data.Length - 9);
}
break;
case KLFCommon.ClientInteropMessageID.PLUGIN_UPDATE:
if (data != null)
{
//De-serialize and handle the update
handleUpdate(KSP.IO.IOUtils.DeserializeFromBinary(data));
}
break;
case KLFCommon.ClientInteropMessageID.SCREENSHOT_RECEIVE:
if (data != null)
{
Debug.Log("Received screenshot");
KLFScreenshotDisplay.screenshot.setFromByteArray(data);
if (KLFScreenshotDisplay.screenshot.image.Length <= KLFScreenshotDisplay.screenshotSettings.maxNumBytes)
{
if (KLFScreenshotDisplay.texture == null)
KLFScreenshotDisplay.texture = new Texture2D(4, 4, TextureFormat.RGB24, false, true);
if (KLFScreenshotDisplay.texture.LoadImage(KLFScreenshotDisplay.screenshot.image))
{
KLFScreenshotDisplay.texture.Apply();
//Make sure the screenshot texture does not exceed the size limits
if (KLFScreenshotDisplay.texture.width > KLFScreenshotDisplay.screenshotSettings.maxWidth
|| KLFScreenshotDisplay.texture.height > KLFScreenshotDisplay.screenshotSettings.maxHeight)
{
KLFScreenshotDisplay.screenshot.clear();
}
else
{
KLFScreenshotDisplay.watchPlayerIndex = KLFScreenshotDisplay.screenshot.index;
}
}
else
{
KLFScreenshotDisplay.screenshot.clear();
}
KLFScreenshotDisplay.screenshot.image = null;
}
}
break;
}
}
protected void handleInteropMessage(KLFCommon.PluginInteropMessageID id, byte[] data)
{
switch (id)
{
case KLFCommon.PluginInteropMessageID.CHAT_SEND:
if (data != null)
{
String line = encoder.GetString(data);
InTextMessage message = new InTextMessage();
message.fromServer = false;
message.message = "[" + clientSettings.username + "] " + line;
enqueueTextMessage(message, false);
handleChatInput(line);
}
break;
case KLFCommon.PluginInteropMessageID.PLUGIN_DATA:
String new_watch_player_name = String.Empty;
if (data != null && data.Length >= 9)
{
UnicodeEncoding encoder = new UnicodeEncoding();
int index = 0;
//Read current activity status
bool in_flight = data[index] != 0;
index++;
//Read current game title
int current_game_title_length = KLFCommon.intFromBytes(data, index);
index += 4;
currentGameTitle = encoder.GetString(data, index, current_game_title_length);
index += current_game_title_length;
//Send the activity status to the server
if (in_flight)
sendMessageTCP(KLFCommon.ClientMessageID.ACTIVITY_UPDATE_IN_FLIGHT, null);
else
sendMessageTCP(KLFCommon.ClientMessageID.ACTIVITY_UPDATE_IN_GAME, null);
}
break;
case KLFCommon.PluginInteropMessageID.PRIMARY_PLUGIN_UPDATE:
sendPluginUpdate(data, true);
break;
case KLFCommon.PluginInteropMessageID.SECONDARY_PLUGIN_UPDATE:
sendPluginUpdate(data, false);
break;
case KLFCommon.PluginInteropMessageID.SCREENSHOT_SHARE:
if (data != null)
{
lock (screenshotOutLock)
{
queuedOutScreenshot = data;
}
}
break;
case KLFCommon.PluginInteropMessageID.SCREENSHOT_WATCH_UPDATE:
if (data != null && data.Length >= 8)
{
int index = KLFCommon.intFromBytes(data, 0);
int current_index = KLFCommon.intFromBytes(data, 4);
String name = encoder.GetString(data, 8, data.Length - 8);
if (watchPlayerName != name || watchPlayerIndex != index)
{
watchPlayerName = name;
watchPlayerIndex = index;
//Look in the screenshot cache for the requested screenshot
Screenshot cached = getCachedScreenshot(watchPlayerIndex, watchPlayerName);
if (cached != null)
sendClientInteropMessage(KLFCommon.ClientInteropMessageID.SCREENSHOT_RECEIVE, cached.toByteArray());
sendScreenshotWatchPlayerMessage((cached == null), current_index, watchPlayerIndex, watchPlayerName);
}
}
break;
}
}
private static void messageReceived(KLFCommon.ServerMessageID id, byte[] data)
{
ServerMessage message;
message.id = id;
message.data = data;
receivedMessageQueue.Enqueue(message);
}
protected abstract void messageReceived(KLFCommon.ServerMessageID id, byte[] data);
static void enqueueClientInteropMessage(KLFCommon.ClientInteropMessageID id, byte[] data)
{
int msg_data_length = 0;
if (data != null)
msg_data_length = data.Length;
byte[] message_bytes = new byte[KLFCommon.INTEROP_MSG_HEADER_LENGTH + msg_data_length];
KLFCommon.intToBytes((int)id).CopyTo(message_bytes, 0);
KLFCommon.intToBytes(msg_data_length).CopyTo(message_bytes, 4);
if (data != null)
data.CopyTo(message_bytes, KLFCommon.INTEROP_MSG_HEADER_LENGTH);
interopOutQueue.Enqueue(message_bytes);
//Enforce max queue size
while (interopOutQueue.Count > INTEROP_MAX_QUEUE_SIZE)
{
byte[] bytes;
if (!interopOutQueue.TryDequeue(out bytes))
break;
}
}
protected override void sendClientInteropMessage(KLFCommon.ClientInteropMessageID id, byte[] data)
{
InteropMessage message = new InteropMessage();
message.id = (int)id;
message.data = data;
interopOutQueue.Enqueue(message);
//Enforce max queue size
while (interopOutQueue.Count > INTEROP_MAX_QUEUE_SIZE)
{
if (!interopOutQueue.TryDequeue(out message))
break;
}
}
static void handleInteropMessage(KLFCommon.PluginInteropMessageID id, byte[] data)
{
switch (id)
{
case KLFCommon.PluginInteropMessageID.CHAT_SEND:
if (data != null)
{
String line = encoder.GetString(data);
InTextMessage message = new InTextMessage();
message.fromServer = false;
message.message = "[" + username + "] " + line;
enqueueTextMessage(message, false);
handleChatInput(line);
}
break;
case KLFCommon.PluginInteropMessageID.PLUGIN_DATA:
String new_watch_player_name = String.Empty;
if (data != null && data.Length >= 9)
{
UnicodeEncoding encoder = new UnicodeEncoding();
int index = 0;
//Read current activity status
bool in_flight = data[index] != 0;
index++;
//Read current game title
int current_game_title_length = KLFCommon.intFromBytes(data, index);
index += 4;
currentGameTitle = encoder.GetString(data, index, current_game_title_length);
index += current_game_title_length;
//Read the watch player name
int watch_player_name_length = KLFCommon.intFromBytes(data, index);
index += 4;
new_watch_player_name = encoder.GetString(data, index, watch_player_name_length);
index += watch_player_name_length;
//Send the activity status to the server
if (in_flight)
sendMessageTCP(KLFCommon.ClientMessageID.ACTIVITY_UPDATE_IN_FLIGHT, null);
else
sendMessageTCP(KLFCommon.ClientMessageID.ACTIVITY_UPDATE_IN_GAME, null);
}
if (watchPlayerName != new_watch_player_name)
{
watchPlayerName = new_watch_player_name;
if (watchPlayerName == username && lastSharedScreenshot != null)
enqueueClientInteropMessage(KLFCommon.ClientInteropMessageID.SCREENSHOT_RECEIVE, lastSharedScreenshot);
sendScreenshotWatchPlayerMessage(watchPlayerName);
}
break;
case KLFCommon.PluginInteropMessageID.PRIMARY_PLUGIN_UPDATE:
sendPluginUpdate(data, true);
break;
case KLFCommon.PluginInteropMessageID.SECONDARY_PLUGIN_UPDATE:
sendPluginUpdate(data, false);
break;
case KLFCommon.PluginInteropMessageID.SCREENSHOT_SHARE:
if (data != null)
{
lock (screenshotOutLock)
{
queuedOutScreenshot = data;
}
}
break;
}
}
