MMOServer(int port)
{
m_plugin = new Plugin(Environment.CurrentDirectory);
Init();
NetAppConfiguration config = new NetAppConfiguration("MMO Mahjong", port);
config.MaximumConnections = 128;
config.Port = port;
config.ServerName = Environment.MachineName + " server";
m_log = new NetLog();
m_log.IgnoreTypes = NetLogEntryTypes.None;
m_log.LogEvent += new EventHandler<NetLogEventArgs>(OnLogEvent);
Server = new NetServer(config, m_log);
Server.StatusChanged += new EventHandler<NetStatusEventArgs>(OnStatusChange);
Server.ConnectionRequest += new EventHandler<NetConnectRequestEventArgs>(OnConnectionRequest);
while (true)
{
Server.Heartbeat();
NetMessage msg;
while ((msg = Server.ReadMessage()) != null)
HandleMessage(msg);
System.Threading.Thread.Sleep(1);
}
}
public static NetMessage EncodeResponse(NetServer server)
{
if (server == null)
{
throw new ArgumentNullException("server");
}
NetMessage msg = new NetMessage(server.Configuration.ServerName.Length + 4);
msg.m_type = NetMessageType.Discovery;
msg.Write((ushort)server.NumConnected);
msg.Write((ushort)server.Configuration.MaximumConnections);
msg.Write((string)server.Configuration.ServerName);
return(msg);
}
/// <summary>
/// Initializes the network engine.
/// </summary>
/// <param name="type">Client or Server</param>
/// <param name="strName">The name of the user</param>
public SpiderServer(String strName)
{
spiderName = strName;
spiderConfig = new NetAppConfiguration("ymfas",DEFAULT_PORT);
spiderLog = new NetLog();
spiderLog.OutputFileName = "YMFAS Net Log (Port 30803).html";
messageQueue = new Queue(50);
disconnectQueue = new Queue(50);
spiderConfig.MaximumConnections = MAX_CONNECTIONS;
spiderConfig.ServerName = spiderName + "'s Game";
spiderNet = new NetServer(spiderConfig,spiderLog);
spiderNet.StatusChanged += new EventHandler<NetStatusEventArgs>(SpiderNet_StatusChangedHandler);
clients = new ArrayList();
}
public void HostClicked()
{
this.Window.Title = "Hosting....";
nac = new NetAppConfiguration("ZombieSim", 12345);
nac.MaximumConnections = 32;
nac.ServerName = "ZombieSim!";
Log = new NetLog();
server = new NetServer(nac, Log);
server.StatusChanged += new
EventHandler<NetStatusEventArgs>(server_StatusChanged);
}
internal static void HandleConnect(NetMessage connectMsg, NetServer server, IPEndPoint senderEndpoint)
{
NetMessage response;
if (server.NumConnected >= server.Configuration.MaximumConnections)
{
// server full
response = new NetMessage(NetMessageType.Handshake, "Server full".Length + 1);
response.Write((byte)NetHandshakeType.Disconnected);
response.Write("Server full");
server.SendSingleMessageAtOnce(response, null, senderEndpoint);
return;
}
ushort remoteNow = connectMsg.ReadUInt16();
//server.Log.Debug("Setting remote clock based on guess of 50 ms lag...");
int remoteClockOffset = NetTime.CalculateOffset(NetTime.Now, remoteNow, 0.05); // assume 50ms...
// read symmetric key
int encSymKeyLen = connectMsg.ReadUInt16();
byte[] encSymKey = null;
if (encSymKeyLen > 0)
{
encSymKey = connectMsg.ReadBytes(encSymKeyLen);
}
// read custom data
int cdLen = (int)connectMsg.Read7BitEncodedUInt();
byte[] customData = null;
if (cdLen > 0)
{
customData = connectMsg.ReadBytes(cdLen);
}
string failReason = null;
bool ok = server.ApproveConnection(senderEndpoint, customData, out failReason);
if (!ok)
{
if (!string.IsNullOrEmpty(failReason))
{
// send disconnect reason; unencrypted, client can handle it because status is connecting
response = new NetMessage(NetMessageType.Handshake, failReason.Length + 3);
response.Write((byte)NetHandshakeType.Disconnected);
response.Write(failReason);
server.SendSingleMessageAtOnce(response, null, senderEndpoint);
}
// connection not approved
return;
}
NetConnection connection = server.AddConnection(senderEndpoint, remoteClockOffset);
if (connection == null)
{
return; // uh oh
}
if (encSymKeyLen > 0)
{
byte[] symKey = connection.m_encryption.DecryptRSA(encSymKey);
if (symKey == null)
{
// send disconnect unencrypted, client can handle it because status is connecting
string bye = "RSA failed; are you using correct public key?";
response = new NetMessage(NetMessageType.Handshake, bye.Length + 3);
response.Write((byte)NetHandshakeType.Disconnected);
response.Write(bye);
server.SendSingleMessageAtOnce(response, null, senderEndpoint);
server.Log.Warning("Failed to decrypt RSA encrypted symmetric key from " + senderEndpoint);
return;
}
connection.m_encryption.SetSymmetricKey(symKey);
server.Log.Debug("Received Connect containing key: " + Convert.ToBase64String(symKey));
}
else
{
if (server.Configuration.UsesEncryption)
{
server.Log.Warning("Client tried to connect without encryption from " + senderEndpoint);
// denied
response = new NetMessage(NetMessageType.Handshake, "Encryption required".Length + 1);
response.Write((byte)NetHandshakeType.Disconnected);
response.Write("Encryption required");
server.SendSingleMessageAtOnce(response, null, senderEndpoint);
return;
}
server.Log.Debug("Received Connect - using unencrypted connection!");
}
// send connect response
int bytesSent = SendConnectResponse(server, connection, senderEndpoint);
if (connection != null)
{
// account for connectresponse
connection.Statistics.PacketsSent++;
connection.Statistics.MessagesSent++;
connection.Statistics.BytesSent += bytesSent;
}
}
public void StartServer(int Port)
{
// Create a configuration for the server
// 'SimpleChat' is our application identifier, which distinguishes it from other
// lidgren.library.network applications
// 14242 is the port the server listens on; ie. the port clients should connect to
Config = new NetAppConfiguration("BBTcpTest", Port);
// set maximum number of clients to 128
Config.MaximumConnections = 128;
// set a server name (which shows up when client discovers local servers)
Config.ServerName = "BB Tcp Test Server";
// enable encryption; this key was generated using the 'GenerateEncryptionKeys' application
Config.EnableEncryption(
"AQABwV1rQ1NDWzkkhUsYtMiRGjyxSn/zI13tros2RlXHlW6PA7Cvw2nOyMhDmweM+" +
"T/+FWzssAWLh8qd+YHaMCCFskVdaZfRzquZlNOs9mX/vtxkLrXgBUaJQD/XOuBeJF" +
"o3RfAKA4uhrEr7Bk1iB3zJQW1bSHK7KmmEWzMErk6iA7c=",
"R6Gp2LkBnMugYdieAGrEhimxq92WXqWvJRfhNVEVrJ/WTxGnKwcJWYwGr2muqa8xG" +
"xLM47BKLjW7K/EUuPtzSx8cGCDG1ET+5C984lu+pxb1XTHhz4qWpfS8Ti7BV4472F" +
"wK9y/SxVew19rXNvYLD4aZrVOel+UV8a+3SJTGYXGyEX0OqmoaH0KPfGH5nGLOXcm" +
"ZHy8yarV193X+bwQL8zxMbNk2UntbLg4m5+t2XyPY2cexDLLCWPviqbF4ZbLJO8xs" +
"uni1H2QJZ9wn61fNhOQBkoI8YfYYah257zYDVCBgpDFPYXH5LaWfhevV3534Sz4Cw" +
"D7r6m5aCD0Tsx9pDfsa81VyaJO37kpMTK7HvNtGv5GXwWTNNGwUQTfRIDE06RmLvv" +
"zyC5YCT40Nqwjz5/dN4Qgb/dAUvsQYn3zsZNj7lfzurcLxGG4x0aCOVafeAb5oRHr" +
"4VthHVNjymDmiPaiZyP8fmX10M+3hl1o/LDf71jEW+MqPiMgoYpGDEccFxMHtodV6" +
"Yndv/z+4iFZ76K3Z/QQFgOSaVoAdx2VjlaCXaX6Kywng/pIf3mumy5WubTnjcdG7f" +
"J+ImyVzs9lkiw==");
// Now create the server!
Server = new NetServer(Config, Log);
//// catch clients connecting
//ServerBB.Server = Program.Server;
//Server.ConnectionRequest += new EventHandler<NetConnectRequestEventArgs>(Program.Server_ConnectionRequest);
// catch status changes; for example, when a client connects or disconnects
Server.StatusChanged += new EventHandler<NetStatusEventArgs>(this.Server_StatusChanged);
}
internal static void HandleConnect(NetMessage connectMsg, NetServer server, IPEndPoint senderEndpoint)
{
NetMessage response;
if (server.NumConnected >= server.Configuration.MaximumConnections)
{
// server full
response = new NetMessage(NetMessageType.Handshake, "Server full".Length + 1);
response.Write((byte)NetHandshakeType.Disconnected);
response.Write("Server full");
server.SendSingleMessageAtOnce(response, null, senderEndpoint);
return;
}
ushort remoteNow = connectMsg.ReadUInt16();
//server.Log.Debug("Setting remote clock based on guess of 50 ms lag...");
int remoteClockOffset = NetTime.CalculateOffset(NetTime.Now, remoteNow, 0.05); // assume 50ms...
// read symmetric key
int encSymKeyLen = connectMsg.ReadUInt16();
byte[] encSymKey = null;
if (encSymKeyLen > 0)
encSymKey = connectMsg.ReadBytes(encSymKeyLen);
// read custom data
int cdLen = (int)connectMsg.Read7BitEncodedUInt();
byte[] customData = null;
if (cdLen > 0)
customData = connectMsg.ReadBytes(cdLen);
string failReason = null;
bool ok = server.ApproveConnection(senderEndpoint, customData, out failReason);
if (!ok)
{
if (!string.IsNullOrEmpty(failReason))
{
// send disconnect reason; unencrypted, client can handle it because status is connecting
response = new NetMessage(NetMessageType.Handshake, failReason.Length + 3);
response.Write((byte)NetHandshakeType.Disconnected);
response.Write(failReason);
server.SendSingleMessageAtOnce(response, null, senderEndpoint);
}
// connection not approved
return;
}
NetConnection connection = server.AddConnection(senderEndpoint, remoteClockOffset);
if (connection == null)
return; // uh oh
if (encSymKeyLen > 0)
{
byte[] symKey = connection.m_encryption.DecryptRSA(encSymKey);
if (symKey == null)
{
// send disconnect unencrypted, client can handle it because status is connecting
string bye = "RSA failed; are you using correct public key?";
response = new NetMessage(NetMessageType.Handshake, bye.Length + 3);
response.Write((byte)NetHandshakeType.Disconnected);
response.Write(bye);
server.SendSingleMessageAtOnce(response, null, senderEndpoint);
server.Log.Warning("Failed to decrypt RSA encrypted symmetric key from " + senderEndpoint);
return;
}
connection.m_encryption.SetSymmetricKey(symKey);
server.Log.Debug("Received Connect containing key: " + Convert.ToBase64String(symKey));
}
else
{
if (server.Configuration.UsesEncryption)
{
server.Log.Warning("Client tried to connect without encryption from " + senderEndpoint);
// denied
response = new NetMessage(NetMessageType.Handshake, "Encryption required".Length + 1);
response.Write((byte)NetHandshakeType.Disconnected);
response.Write("Encryption required");
server.SendSingleMessageAtOnce(response, null, senderEndpoint);
return;
}
server.Log.Debug("Received Connect - using unencrypted connection!");
}
// send connect response
int bytesSent = SendConnectResponse(server, connection, senderEndpoint);
if (connection != null)
{
// account for connectresponse
connection.Statistics.PacketsSent++;
connection.Statistics.MessagesSent++;
connection.Statistics.BytesSent += bytesSent;
}
}
public static NetMessage EncodeResponse(NetServer server)
{
if (server == null)
throw new ArgumentNullException("server");
NetMessage msg = new NetMessage(server.Configuration.ServerName.Length + 4);
msg.m_type = NetMessageType.Discovery;
msg.Write((ushort)server.NumConnected);
msg.Write((ushort)server.Configuration.MaximumConnections);
msg.Write((string)server.Configuration.ServerName);
return msg;
}
