public static void UpdateUsername(Packet pPacket)
{
string username;
pPacket.ReadString (out username);
Log.WriteLine (ELogLevel.Info, "Username: {0}", username);
}
public static void WelcomeMessage(Packet pPacket)
{
string message;
pPacket.ReadString (out message);
Log.WriteLine (ELogLevel.Info, "Welcome Message: {0}", message);
Client.sServer.WelcomeMessage = message;
}
public static void UsernameChange(Client pClient, Packet pPacket)
{
string username;
pPacket.ReadString (out username);
Log.WriteLine (ELogLevel.Info, "[Server] Username change request recevied: {0} -> {1}", pClient.Username, username);
Server.UpdateUsername (pClient, username);
}
public override void OnReceiveHandshakePacket(Packet pPacket)
{
ushort build;
pPacket.ReadUShort (out build);
if (build != Config.Instance.Build) {
Log.WriteLine (ELogLevel.Warn, "[Client] Build version mismatch. Disconnecting from server");
Disconnect ();
}
}
public override void OnReceivePacket(Packet pPacket)
{
PacketHandlerAttribute handler = sHandlers.GetOrDefault (pPacket.Opcode, null);
if (handler != null)
Server.AddCallback (() => handler.Processor (this, pPacket));
else {
Log.WriteLine (ELogLevel.Debug, "[{0}] Receiving 0x{1}, {2} Bytes", Host, ((ushort)pPacket.Opcode).ToString ("X4"), pPacket.Length);
pPacket.Dump ();
}
}
public static void ChatMessage(Packet pPacket)
{
string senderName;
string message;
pPacket.ReadString (out senderName);
pPacket.ReadString (out message);
Log.WriteLine (ELogLevel.Info, "Chat Message: {0} - {1}", senderName, message);
}
public static void WelcomeMessage(Packet pPacket)
{
string message;
pPacket.ReadString (out message);
Client.sServer.WelcomeMessage = message;
Client.window.InvokeOnMainThread (() => {
Client.window.AddLineToChatHistory (string.Format ("Welcome Message: {0}", message));
});
}
public static void ChatMessage(Client pClient, Packet pPacket)
{
string message;
pPacket.ReadString (out message);
Log.WriteLine (ELogLevel.Info, "[Server] Received Chat Message: {0}", message);
Packet packet = new Packet(EOpcode.SMSG_CHAT_MESSAGE);
packet.WriteString (pClient.Username);
packet.WriteString(message);
Server.SendPacketToAllExcept (packet, pClient);
}
public static void ChatMessage(Packet pPacket)
{
string senderName;
string message;
pPacket.ReadString (out senderName);
pPacket.ReadString (out message);
Client.window.InvokeOnMainThread (() => {
Client.window.AddLineToChatHistory (string.Format ("{0}: {1}", senderName, message));
});
}
public static void UpdateUsername(Packet pPacket)
{
bool success = false;
string username;
pPacket.ReadBool (out success);
if (success) {
pPacket.ReadString (out username);
Client.sUsername = username;
Client.window.InvokeOnMainThread (() => {
Client.window.AddLineToChatHistory (string.Format ("Username: {0}", username));
});
} else {
Client.window.InvokeOnMainThread (() => {
Client.window.AddLineToChatHistory (string.Format ("Cannot update username"));
});
}
}
public virtual void OnReceivePacket(Packet pPacket)
{
}
public virtual void OnReceiveHandshakePacket(Packet pPacket)
{
}
private void EndReceive(SocketAsyncEventArgs pArguments)
{
if (mDisconnected != 0) return;
if (pArguments.BytesTransferred <= 0)
{
if (pArguments.SocketError != SocketError.Success && pArguments.SocketError != SocketError.ConnectionReset) Log.WriteLine(ELogLevel.Error, "[{0}] Receive Error: {1}", Host, pArguments.SocketError);
Disconnect();
return;
}
mReceiveLength += pArguments.BytesTransferred;
while (mReceiveLength > 4)
{
if (mReceivingPacketLength == 0)
{
mReceivingPacketLength = GetHeaderLength(mReceiveBuffer, mReceiveStart);
}
if (mReceivingPacketLength > 0 && mReceiveLength >= mReceivingPacketLength + 4)
{
if (!mReceivedHandshakePacket && mReceiveStart == 0) {
// Handshake packet
mReceivedHandshakePacket = true;
Packet packet = new Packet(mReceiveBuffer, mReceiveStart + 4, mReceivingPacketLength, false);
OnReceiveHandshakePacket (packet);
} else {
Packet packet = new Packet(mReceiveBuffer, mReceiveStart + 4, mReceivingPacketLength);
OnReceivePacket (packet);
}
mReceiveStart += mReceivingPacketLength + 4;
mReceiveLength -= mReceivingPacketLength + 4;
mReceivingPacketLength = 0;
mReceiveLast = DateTime.Now;
}
}
if (mReceiveLength == 0) mReceiveStart = 0;
else if (mReceiveStart > 0 && (mReceiveStart + mReceiveLength) >= mReceiveBuffer.Length)
{
Buffer.BlockCopy(mReceiveBuffer, mReceiveStart, mReceiveBuffer, 0, mReceiveLength);
mReceiveStart = 0;
}
if (mReceiveLength == mReceiveBuffer.Length)
{
Log.WriteLine(ELogLevel.Error, "[{0}] Receive Overflow", Host);
Disconnect();
}
else BeginReceive();
}
public void SendPacket(Packet pPacket)
{
if (mDisconnected != 0) return;
byte[] buffer = new byte[pPacket.Length + 4];
GenerateHeader (buffer, pPacket.Length);
Buffer.BlockCopy(pPacket.InnerBuffer, 0, buffer, 4, pPacket.Length);
Send(buffer);
}
private static void ConnectCallback(IAsyncResult ar)
{
try {
sServerSocket.EndConnect (ar);
Log.WriteLine(ELogLevel.Info, "[Client] Connected to Server");
sServer = new Server(sServerSocket);
Packet p = new Packet(EOpcode.CMSG_CHAT_MESSAGE);
p.WriteString("Hello");
sServer.SendPacket(p);
} catch (Exception e) {
sRetryCount++;
Log.WriteLine(ELogLevel.Info, "[Client] Could not connect to server: {0}", e.Message);
if (sRetryCount < 3) {
Log.WriteLine (ELogLevel.Info, "[Client] Reattempting to connect to server");
Thread.Sleep (1000);
sServerSocket.BeginConnect ("localhost", 8484, new AsyncCallback (ConnectCallback), null);
} else {
Log.WriteLine (ELogLevel.Error, "[Client] Cannot connect to server");
}
}
}
public static void SendMessage(string pMessage)
{
Packet packet = new Packet (EOpcode.CMSG_CHAT_MESSAGE);
packet.WriteString (pMessage);
sServer.SendPacket (packet);
}
private void EndReceive(SocketAsyncEventArgs pArguments)
{
if (mDisconnected != 0) return;
if (pArguments.BytesTransferred <= 0)
{
if (pArguments.SocketError != SocketError.Success && pArguments.SocketError != SocketError.ConnectionReset) Log.WriteLine(ELogLevel.Error, "[{0}] Receive Error: {1}", Host, pArguments.SocketError);
Disconnect();
return;
}
mReceiveLength += pArguments.BytesTransferred;
while (mReceiveLength > 4)
{
if (mReceivingPacketLength == 0)
{
mReceivingPacketLength = GetHeaderLength(mReceiveBuffer, mReceiveStart);
}
if (mReceivingPacketLength > 0 && mReceiveLength >= mReceivingPacketLength + 4)
{
if (!mReceivedHandshakePacket && mReceiveStart == 0) {
// Handshake packet
mReceivedHandshakePacket = true;
Packet packet = new Packet(mReceiveBuffer, mReceiveStart + 4, mReceivingPacketLength, false);
ushort build;
packet.ReadUShort (out build);
if (build != Config.Instance.Build) {
Log.WriteLine (ELogLevel.Warn, "[Client] Build version mismatch. Disconnecting from server");
Disconnect ();
}
} else {
Packet packet = new Packet(mReceiveBuffer, mReceiveStart + 4, mReceivingPacketLength);
PacketHandlerAttribute handler = sHandlers.GetOrDefault (packet.Opcode, null);
if (handler != null)
Client.AddCallback (() => handler.Processor (packet));
else {
Log.WriteLine (ELogLevel.Debug, "[{0}] Receiving 0x{1}, {2} Bytes", Host, ((ushort)packet.Opcode).ToString ("X4"), packet.Length);
packet.Dump ();
}
}
mReceiveStart += mReceivingPacketLength + 4;
mReceiveLength -= mReceivingPacketLength + 4;
mReceivingPacketLength = 0;
mReceiveLast = DateTime.Now;
}
}
if (mReceiveLength == 0) mReceiveStart = 0;
else if (mReceiveStart > 0 && (mReceiveStart + mReceiveLength) >= mReceiveBuffer.Length)
{
Buffer.BlockCopy(mReceiveBuffer, mReceiveStart, mReceiveBuffer, 0, mReceiveLength);
mReceiveStart = 0;
}
if (mReceiveLength == mReceiveBuffer.Length)
{
Log.WriteLine(ELogLevel.Error, "[{0}] Receive Overflow", Host);
Disconnect();
}
else BeginReceive();
}
internal static void updateUsername(string pUsername)
{
Packet packet = new Packet (EOpcode.CMSG_UPDATE_USERNAME);
packet.WriteString (pUsername);
sServer.SendPacket (packet);
}
internal static void UpdateUsername(Client pClient, string pUsername)
{
bool success = true;
if (sClients.Any (c => c.Username.Equals (pUsername, StringComparison.CurrentCulture))) {
success = false;
}
Packet packet = new Packet(EOpcode.SMSG_UPDATE_USERNAME);
packet.WriteBool (success);
if (success) {
packet.WriteString (pUsername);
pClient.Username = pUsername;
}
Log.WriteLine (ELogLevel.Info, "Sending Uusername: {0}", pUsername);
pClient.SendPacket (packet);
}
internal static void SendPacketToAll(Packet pPacket)
{
sClients.ForEach(p => p.SendPacket(pPacket));
}
internal static void SendPacketToAllExcept(Packet pPacket, Client pExcept)
{
sClients.ForEach(p => { if (p != pExcept) p.SendPacket(pPacket); });
}
internal static void SendWelcomeMessage(Client pClient)
{
Packet packet = new Packet(EOpcode.SMSG_WELCOME_MESSAGE);
packet.WriteString (Config.Instance.WelcomeMessage);
pClient.SendPacket (packet);
}
