public void LoginRequest(Connection connection, string name, string password, string version, byte[] skinHash)
{
Console.WriteLine("< LoginRequest: {0} - {1} ({2})", name, version, skinHash.GetHexaString());
byte[] nameData = Encoding.ASCII.GetBytes(name);
byte[] passwordData = Encoding.ASCII.GetBytes(password);
byte[] versionData = Encoding.ASCII.GetBytes(version);
byte[] data = Connection.PrepareByteArray(MessageCodes.Login, nameData.Length + passwordData.Length + versionData.Length + 19);
int offset = 5;
data[offset] = (byte)nameData.Length;
offset++;
nameData.CopyTo(data, offset);
offset += nameData.Length;
data[offset] = (byte)passwordData.Length;
offset++;
passwordData.CopyTo(data, offset);
offset += passwordData.Length;
data[offset] = (byte)versionData.Length;
offset++;
versionData.CopyTo(data, offset);
offset += versionData.Length;
skinHash.CopyTo(data, offset);
connection.SendMessage(ref data, NetworkChannels.ConnectingDisconnectingChannel);
}
public void DisconnectingNotification(Connection connection)
{
Console.WriteLine("< DisconnectingNotification");
byte[] data = Connection.PrepareByteArray(MessageCodes.Disconnecting, 0);
connection.SendMessage(ref data, NetworkChannels.ConnectingDisconnectingChannel);
}
internal void SetPlayer(long remoteId, Player player)
{
Connection connection = _RemoteIdConnections[remoteId];
connection.Player = player;
_EntityIdConnections[player.ID] = connection;
}
public void CheckFileExistRequest(Connection connection, byte exchangeType, byte[] hash)
{
string hashString = hash.GetHexaString();
Console.WriteLine("> CheckFileExistRequest: {0} ({1})", exchangeType, hashString);
bool exists = FileDataExchangeUtils.CheckCache(ref exchangeType, ref hash);
ServerManager.Instance.ServerToClientProvider.CheckFileExistResponse(connection, exchangeType, hash, exists);
}
public void ChatMessage(Connection connection, string message)
{
Console.WriteLine("> ChatMessage: {0} - {1}", connection.Player.ID, message);
message = connection.Player.PlayerName + ": " + message;
// resend to all other players
ushort senderId = connection.Player.ID;
foreach (Connection other in ServerManager.Instance.GetAuthenticatedPlayers(senderId))
{
ServerManager.Instance.ServerToClientProvider.ChatMessage(other, message);
}
}
internal void Start(MessagingConfiguration messagingSettings, IPEndPoint remoteEndPoint)
{
NetworkComms.AppendGlobalIncomingPacketHandler <byte[]>(Connection.TcpByteMessageName, ReceivedMessageTcpBytes);
NetworkComms.AppendGlobalIncomingPacketHandler <string>("Message", ReceivedMessageTcpString);
ConnectionInfo connectionInfo = new ConnectionInfo(ClientWorldManager.Instance.Configuration.Network.IpAddress, ClientWorldManager.Instance.Configuration.Network.PortTcp);
_ClientTcp = TCPConnection.GetConnection(connectionInfo, true);
_Client.Start();
_Connection = new Connection(messagingSettings, _Client.Connect(remoteEndPoint), MultiPlayerProvider.ServerToClientProvider.ProcessReceivedMessage);
_Connection.TcpConnection = _ClientTcp;
}
public void AddFile(Connection connection, byte exchangeType, byte[] hash, byte[] data)
{
string hashString = hash.GetHexaString();
Console.WriteLine("> AddFile: {0} ({1})", exchangeType, hashString);
FileDataExchangeUtils.CacheFile(ref exchangeType, ref hash, ref data);
// distribute to connected clients
foreach (Connection other in ServerManager.Instance.GetAuthenticatedPlayers())
{
ServerManager.Instance.ServerToClientProvider.CheckFileExistRequest(other, exchangeType, hash);
}
}
public void CheckFileExistResponse(Connection connection, byte exchangeType, byte[] hash, bool exists)
{
string hashString = hash.GetHexaString();
Console.WriteLine("> CheckFileExistResponse: {0} - {1} ({2})", exchangeType, exists, hashString);
if (exists)
{
return;
}
byte[] fileData = FileDataExchangeUtils.GetCachedFile(ref exchangeType, ref hash);
FileDataExchangeUtils.SendAddFileMessage(connection, ref exchangeType, ref hash, ref fileData);
}
internal void RemoveConnection(long remoteId)
{
Connection toRemove = _RemoteIdConnections[remoteId];
if (toRemove.TcpConnection != null)
{
_TcpConnections.Remove(toRemove.TcpConnection);
}
_RemoteIdConnections.Remove(remoteId);
if (toRemove.Player != null)
{
_EntityIdConnections.Remove(toRemove.Player.ID);
}
}
public void ChatMessage(Connection connection, string message)
{
if (message.Length > 255)
{
message = message.Substring(0, 255);
}
Console.WriteLine("< ChatMessage: {0}", message);
byte[] chatData = Encoding.ASCII.GetBytes(message);
byte[] data = Connection.PrepareByteArray(MessageCodes.Chat, message.Length + 1);
data[5] = (byte)chatData.Length;
chatData.CopyTo(data, 6);
connection.SendMessage(ref data, NetworkChannels.ChatChannel);
}
internal void SetPlayerConnection(Connection connection, Player player)
{
// check if there's a previous session active
Connection previous = _Clients[player.ID];
if (previous != null)
{
Console.WriteLine("Disconnecting previous active session for player: " + player.PlayerName);
_ClientWaits[player.ID] = new ManualResetEvent(false);
ServerToClientProvider.DisconnectingNotification(previous, "New player session has been started");
_Clients.RemoveConnection(player.ID);
previous.Disconnect("New player session has been started");
_ClientWaits[player.ID].WaitOne();
}
_Clients.SetPlayer(connection, player);
}
public void PlayerMovingNotification(Connection connection, sbyte moveX, sbyte moveY, sbyte moveZ, float rotationLeft, float rotationUp)
{
throw new NotImplementedException();
}
public void DisconnectingNotification(Connection connection)
{
// empty
}
public void PlayerMovedNotification(Connection connection, Point3D location, float rotationLeft, float rotationUp)
{
//Console.WriteLine("> PlayerMovedNotification: Pos {0}, L {1:0.0}, U {2:0.0}", location, rotationLeft, rotationUp);
connection.Player.SetLocation(location, rotationLeft, rotationUp, true, Environment.TickCount);
foreach (Connection other in ServerManager.Instance.GetAuthenticatedPlayers(connection.Player.ID))
{
ServerManager.Instance.ServerToClientProvider.EntityMovedNotification(other, connection.Player.ID, location, rotationLeft, rotationUp, connection.Player.LastLocationUpdate);
}
}
private void ReceivedMessage(object peer)
{
NetIncomingMessage message;
while ((message = _Server.ReadMessage()) != null)
{
try
{
// handle incoming message
switch (message.MessageType)
{
case NetIncomingMessageType.DebugMessage:
case NetIncomingMessageType.ErrorMessage:
case NetIncomingMessageType.WarningMessage:
case NetIncomingMessageType.VerboseDebugMessage:
Console.WriteLine(message.ReadString());
break;
case NetIncomingMessageType.StatusChanged:
NetConnectionStatus status = (NetConnectionStatus)message.ReadByte();
if (status == NetConnectionStatus.Connected)
{
_Clients.AddConnection(message.SenderConnection, _ClientToServer.ProcessReceivedMessage);
Console.WriteLine("New connection: " + message.SenderEndPoint.ToString());
}
else if (status == NetConnectionStatus.Disconnected)
{
Player disconnectingPlayer = _Clients.GetPlayer(message.SenderConnection);
_Clients.RemoveConnection(message.SenderConnection);
Console.WriteLine("Disconnected: " + message.SenderEndPoint.ToString());
if (disconnectingPlayer != null)
{
ServerWorldManager.Instance.UnloadPlayer(disconnectingPlayer);
if (_ClientWaits.ContainsKey(disconnectingPlayer.ID))
{
_ClientWaits[disconnectingPlayer.ID].Set();
_ClientWaits[disconnectingPlayer.ID].Close();
_ClientWaits.Remove(disconnectingPlayer.ID);
}
// inform all other about disconnected player
foreach (Connection other in GetAuthenticatedPlayers(disconnectingPlayer.ID))
{
ServerToClientProvider.EntityDeleteNotification(other, disconnectingPlayer.ID);
}
}
}
break;
case NetIncomingMessageType.Data:
if (message.LengthBytes < 3)
{
break;
}
Connection connection = _Clients[message.SenderConnection.RemoteUniqueIdentifier];
byte messageCode = message.ReadByte();
int length = BitConverter.ToInt32(message.ReadBytes(4), 0);
byte[] data = message.ReadBytes(length);
_ClientToServer.ProcessReceivedMessage(connection, ref messageCode, ref data);
break;
default:
//Output("Unhandled type: " + im.MessageType + " " + im.LengthBytes + " bytes");
break;
}
}
catch (Exception ex)
{
ExceptionHandler.LogException(ex);
}
}
}
public void PlayerMovedNotification(Connection connection, Point3D location, float rotationLeft, float rotationUp)
{
// empty
}
public void CheckFileExistRequest(Connection connection, byte exchangeType, byte[] hash)
{
// empty
}
public void DisconnectingNotification(Connection connection)
{
Console.WriteLine("> DisconnectingNotification: {0} ", connection.Player.PlayerName);
}
public void ProcessReceivedMessage(Connection connection, ref byte messageCode, ref byte[] data)
{
switch (messageCode)
{
case MessageCodes.Chat:
string chatMessage = Encoding.ASCII.GetString(data, 1, data[0]);
ChatMessage(connection, chatMessage);
break;
case MessageCodes.Disconnecting:
DisconnectingNotification(connection);
break;
case MessageCodes.FileDataExchangeAdd:
byte addExchangeType = 0;
byte[] addHash = null;
byte[] addFileData = null;
FileDataExchangeUtils.ParseAddFileMessage(ref data, out addExchangeType, out addHash, out addFileData);
AddFile(connection, addExchangeType, addHash, addFileData);
break;
case MessageCodes.FileDataExchangeRequest:
byte requestExchangeType = 0;
byte[] requestHash = null;
FileDataExchangeUtils.ParseCheckFileExistRequest(ref data, out requestExchangeType, out requestHash);
CheckFileExistRequest(connection, requestExchangeType, requestHash);
break;
case MessageCodes.FileDataExchangeResponse:
byte responseExchangeType = 0;
byte[] responseHash = null;
bool responseExists = false;
FileDataExchangeUtils.ParseCheckFileExistResponse(ref data, out responseExchangeType, out responseHash, out responseExists);
CheckFileExistResponse(connection, responseExchangeType, responseHash, responseExists);
break;
case MessageCodes.FileDataRequest:
byte fileExchangeType = 0;
byte[] fileHash = null;
FileDataExchangeUtils.ParseFileRequest(ref data, out fileExchangeType, out fileHash);
RequestFile(connection, fileExchangeType, fileHash);
break;
case MessageCodes.GeneralNo:
break;
case MessageCodes.GeneralYes:
break;
case MessageCodes.Login:
int offset = 0;
int nameLength = data[offset];
offset++;
string name = Encoding.ASCII.GetString(data, offset, nameLength);
offset += nameLength;
int passwordLength = data[offset];
offset++;
string password = Encoding.ASCII.GetString(data, offset, passwordLength);
offset += passwordLength;
int versionLength = data[offset];
offset++;
string version = Encoding.ASCII.GetString(data, offset, versionLength);
offset += versionLength;
byte[] skinHash = new byte[16];
for (int i = 0; i < 16; i++)
{
skinHash[i] = data[offset + i];
}
LoginRequest(connection, name, password, version, skinHash);
break;
case MessageCodes.Moved:
Point3D movedLocation = new Point3D();
movedLocation.InitializeFromByteArray(ref data, 0);
float rotationLeft = BitConverter.ToSingle(data, Point3D.SerializedSize);
float rotationUp = BitConverter.ToSingle(data, Point3D.SerializedSize + 4);
PlayerMovedNotification(connection, movedLocation, rotationLeft, rotationUp);
break;
case MessageCodes.Moving:
break;
//case MessageCodes.MultipartCompressed:
// connection.ProcessMultipartMessage(ref data);
// break;
case MessageCodes.PlaceOrRemoveCube:
bool place = (data[0] > 0);
Point3D placeLocation = new Point3D();
placeLocation.InitializeFromByteArray(ref data, 1);
float placeRotationLeft = BitConverter.ToSingle(data, Point3D.SerializedSize + 1);
float placeRotationUp = BitConverter.ToSingle(data, Point3D.SerializedSize + 5);
ushort placeMaterialId = BitConverter.ToUInt16(data, Point3D.SerializedSize + 9);
PlaceOrRemoveCubeNotification(connection, place, placeLocation, placeRotationLeft, placeRotationUp, placeMaterialId);
break;
case MessageCodes.Terrain:
int terrainMessageId = BitConverter.ToInt32(data, 0);
Point3D terrainLocation = new Point3D();
terrainLocation.InitializeFromByteArray(ref data, 4);
float terrainRotationLeft = BitConverter.ToSingle(data, Point3D.SerializedSize + 4);
float terrainRotationUp = BitConverter.ToSingle(data, Point3D.SerializedSize + 8);
TerrainDataRequest(connection, terrainMessageId, terrainLocation, terrainRotationLeft, terrainRotationUp);
break;
}
}
public void CheckFileExistResponse(Connection connection, byte exchangeType, byte[] hash, bool exists)
{
// empty
}
/// <summary>
/// Sends a file request.
/// </summary>
/// <param name="connection">Connection object</param>
/// <param name="exchangeType">Exchange type</param>
/// <param name="hash">Content checksum</param>
public static void SendRequestFile(Connection connection, ref byte exchangeType, ref byte[] hash)
{
string hashString = hash.GetHexaString();
Console.WriteLine("< RequestFile: {0} ({1})", exchangeType, hashString);
byte[] data = Connection.PrepareByteArray(MessageCodes.FileDataRequest, 18);
data[5] = exchangeType;
hash.CopyTo(data, 6);
connection.SendMessage(ref data, NetworkChannels.FileDataExchangeChannel);
}
internal void Start(MessagingConfiguration messagingSettings, IPEndPoint remoteEndPoint)
{
NetworkComms.AppendGlobalIncomingPacketHandler<byte[]>(Connection.TcpByteMessageName, ReceivedMessageTcpBytes);
NetworkComms.AppendGlobalIncomingPacketHandler<string>("Message", ReceivedMessageTcpString);
ConnectionInfo connectionInfo = new ConnectionInfo(ClientWorldManager.Instance.Configuration.Network.IpAddress, ClientWorldManager.Instance.Configuration.Network.PortTcp);
_ClientTcp = TCPConnection.GetConnection(connectionInfo, true);
_Client.Start();
_Connection = new Connection(messagingSettings, _Client.Connect(remoteEndPoint), MultiPlayerProvider.ServerToClientProvider.ProcessReceivedMessage);
_Connection.TcpConnection = _ClientTcp;
}
/// <summary>
/// Sends a response to check request.
/// </summary>
/// <param name="connection">Connection object</param>
/// <param name="exchangeType">Exchange type</param>
/// <param name="hash">Content checksum</param>
/// <param name="exists">True if exists</param>
public static void SendCheckFileExistResponse(Connection connection, ref byte exchangeType, ref byte[] hash, ref bool exists)
{
string hashString = hash.GetHexaString();
Console.WriteLine("< CheckFileExistResponse: {0} - {1} ({2})", exchangeType, exists, hashString);
byte[] data = Connection.PrepareByteArray(MessageCodes.FileDataExchangeResponse, 18);
data[5] = exchangeType;
hash.CopyTo(data, 6);
data[22] = (byte)(exists ? 1 : 0);
connection.SendMessage(ref data, NetworkChannels.FileDataExchangeChannel);
}
/// <summary>
/// Sends an add file message to the other side.
/// </summary>
/// <param name="connection">Connection object</param>
/// <param name="exchangeType">Exchange type</param>
/// <param name="hash">Content checksum</param>
/// <param name="fileData">File data</param>
public static void SendAddFileMessage(Connection connection, ref byte exchangeType, ref byte[] hash, ref byte[] fileData)
{
string hashString = hash.GetHexaString();
Console.WriteLine("< AddFile: {0} ({1})", exchangeType, hashString);
byte[] data = Connection.PrepareByteArray(MessageCodes.FileDataExchangeAdd, fileData.Length + 21);
data[5] = exchangeType;
hash.CopyTo(data, 6);
BitConverter.GetBytes(fileData.Length).CopyTo(data, 22);
fileData.CopyTo(data, 26);
connection.SendMessage(ref data, NetworkChannels.FileDataExchangeChannel);
}
public void TerrainDataRequest(Connection connection, int terrainMessageId, Point3D location, float rotationLeft, float rotationUp)
{
ClientWorldManager.Instance.LoadPlayerColumns(terrainMessageId);
}
public void RequestFile(Connection connection, byte exchangeType, byte[] hash)
{
// empty
}
public void PlayerMovingNotification(Connection connection, sbyte moveX, sbyte moveY, sbyte moveZ, float rotationLeft, float rotationUp)
{
// empty
}
public void RequestFile(Connection connection, byte exchangeType, byte[] hash)
{
string hashString = hash.GetHexaString();
Console.WriteLine("> RequestFile: {0} ({1})", exchangeType, hashString);
if (FileDataExchangeUtils.CheckCache(ref exchangeType, ref hash))
{
byte[] fileData = FileDataExchangeUtils.GetCachedFile(ref exchangeType, ref hash);
FileDataExchangeUtils.SendAddFileMessage(connection, ref exchangeType, ref hash, ref fileData);
}
}
public void LoginRequest(Connection connection, string name, string password, string version, byte[] skinHash)
{
// empty
}
public void TerrainDataRequest(Connection connection, int terrainMessageId, Point3D location, float rotationLeft, float rotationUp)
{
Console.WriteLine("> TerrainDataRequest: {0}", terrainMessageId);
PlayerMovedNotification(connection, location, rotationLeft, rotationUp);
ServerWorldManager.Instance.LoadClientColumns(terrainMessageId, connection.Player);
}
internal void SetPlayer(Connection connection, Player player)
{
SetPlayer(connection.NetConnection.RemoteUniqueIdentifier, player);
}
public void ChatMessage(Connection connection, string message)
{
// empty
}
internal void AddConnection(NetConnection connection, CompletedReceivedMultipartMessage callback)
{
Connection newConnection = new Connection(ServerWorldManager.Instance.Configuration.MessagingConfigurationNode, connection, callback);
_RemoteIdConnections.Add(connection.RemoteUniqueIdentifier, newConnection);
}
public void LoginRequest(Connection connection, string name, string password, string version, byte[] skinHash)
{
Console.WriteLine("> LoginRequest: {0} - {1} ({2})", name, version, skinHash.GetHexaString());
bool success = false;
if (version != ServerWorldManager.Instance.Version)
{
// incorrect client version
string message = "Login failed (incorrect client version: " + version + ", expected: " + ServerWorldManager.Instance.Version + ")";
Console.WriteLine(message);
ServerManager.Instance.ServerToClientProvider.LoginResponse(connection, LoginResults.VersionMismatch, 0, message);
}
else if (ServerWorldManager.Instance.Configuration.Security.BannedPlayers.Contains(name))
{
// banned player
Console.WriteLine("Login failed (player banned)");
ServerManager.Instance.ServerToClientProvider.LoginResponse(connection, LoginResults.Banned, 0, "Banned player");
}
else if (ServerWorldManager.Instance.Configuration.Security.BannedIpAddresses.Contains(connection.NetConnection.RemoteEndPoint.Address.ToString()))
{
// banned IP address
Console.WriteLine("Login failed (IP address banned)");
ServerManager.Instance.ServerToClientProvider.LoginResponse(connection, LoginResults.Banned, 0, "Banned IP address");
}
else if (ServerWorldManager.Instance.Configuration.Security.RequiresAuthentication)
{
// TODO: authenticate
success = true;
}
else
{
success = true;
}
if (success)
{
Console.WriteLine("Login successful");
// retrieve entity ID of the player
ushort entityId = ServerWorldManager.Instance.GetPlayerId(name);
// check player's skin existence in cache
if (!SkinManager.IsSkinOnDisk(ref skinHash))
{
ServerManager.Instance.ServerToClientProvider.RequestFile(connection, FileDataExchangeTypes.Skin, skinHash);
}
// check if authenticated already
Player newPlayer = (Player)ServerWorldManager.Instance.PrepareConnectedPlayer(entityId);
newPlayer.SetSkinHash(skinHash);
ServerManager.Instance.SetPlayerConnection(connection, newPlayer);
ServerManager.Instance.ServerToClientProvider.LoginResponse(connection, LoginResults.Successful, entityId, "Login successful");
// send all entities in the game to that player
foreach (Entity entity in ServerWorldManager.Instance.Entities.Values)
{
if (entity.ID != entityId &&
!ServerWorldManager.Instance.IsPlayerConnected(entity as Player))
{
continue;
}
ServerManager.Instance.ServerToClientProvider.EntityCreateOrUpdateNotification(connection, entity);
}
// send the newly logged in entity to all players
foreach (Connection other in ServerManager.Instance.GetAuthenticatedPlayers(entityId))
{
ServerManager.Instance.ServerToClientProvider.EntityCreateOrUpdateNotification(other, newPlayer);
}
}
// flush the send queue
ServerManager.Instance.Flush();
}
internal void SetPlayerConnection(Connection connection, Player player)
{
// check if there's a previous session active
Connection previous = _Clients[player.ID];
if (previous != null)
{
Console.WriteLine("Disconnecting previous active session for player: " + player.PlayerName);
_ClientWaits[player.ID] = new ManualResetEvent(false);
ServerToClientProvider.DisconnectingNotification(previous, "New player session has been started");
_Clients.RemoveConnection(player.ID);
previous.Disconnect("New player session has been started");
_ClientWaits[player.ID].WaitOne();
}
_Clients.SetPlayer(connection, player);
}
public void PlaceOrRemoveCubeNotification(Connection connection, bool place, Point3D location, float rotationLeft, float rotationUp, ushort materialId)
{
//Console.WriteLine("> PlaceOrRemoveCubeNotification");
// adjust player's location and heading
PlayerMovedNotification(connection, location, rotationLeft, rotationUp);
// set material
connection.Player.SelectedMaterial = materialId;
int x = -1;
int y = -1;
int z = -1;
uint version = 0;
if (!connection.Player.PlaceOrRemoveBlock(place, out x, out y, out z, out version))
{
// ignore
return;
}
// distribute info about changed terrain
Segment segment = ServerWorldManager.Instance.GetSegmentBasedOnInsidePoint(x, y, z);
foreach (Connection other in ServerManager.Instance.GetAuthenticatedPlayers())
{
if (ServerWorldManager.Instance.IsPlayersArea(other.Player, segment.Area.Key))
{
ServerManager.Instance.ServerToClientProvider.PlaceOrRemoveCubeNotification(other, place, segment, x, y, z, connection.Player.GetSelectedMaterial(), version);
}
}
}
public void PlaceOrRemoveCubeNotification(Connection connection, bool place, Point3D location, float rotationLeft, float rotationUp, ushort materialId)
{
ClientWorldManager.Instance.Player.PlaceOrRemoveBlock(place);
}