private static void NotifyAllNewClientConnected()
{
for (int i = 0; i < connectedClients.Count; i++)
{
netPongClientInfo cliInfo = (netPongClientInfo)connectedClients[i];
SendNewClientConnectedCommand(cliInfo.hClientTcpSocket);
}
}
private static void SendWelcomeCommand(Socket handler, byte[] data)
{
String strPlayerName = "";
byte[] nPlayerName = new byte[data.GetLength(0) - 3];
int nData = 3;
for (int i = 0; i < data.GetLength(0) - 3; i++)
{
nPlayerName[i] = data[nData];
nData++;
}
if (!MakePlayerName(nPlayerName, ref strPlayerName))
{
return;
}
if (!IsPlayerNameAvailable(strPlayerName))
{
return;
}
byte[] welcomePacket = new byte[3];
welcomePacket[0] = (byte)netPongTcpOpCodes.NP_TCP_CMD_WELCOME;
welcomePacket[1] = 0x00;
welcomePacket[2] = 0x00;
netPongClientInfo cliInfo = new netPongClientInfo();
cliInfo.strClientName = strPlayerName;
cliInfo.hClientTcpSocket = handler;
//console-output
Console.WriteLine("");
Console.WriteLine("|========================");
Console.WriteLine("| - Sending WELCOME command");
Console.WriteLine("| * Info : " + handler.RemoteEndPoint.ToString());
Console.WriteLine("| * Player Name: " + cliInfo.strClientName);
Console.WriteLine("|========================");
try
{
handler.BeginSend(welcomePacket, 0, welcomePacket.Length, 0, new AsyncCallback(SendWelcomeCallback), cliInfo);
}
catch (Exception)
{
try
{
handler.Shutdown(SocketShutdown.Both);
handler.Close();
CleanDisconnectedClients();
}
catch (Exception)
{
}
}
}
private static void CleanDisconnectedClients()
{
bool bRefresh = false;
ArrayList tmpCon = new ArrayList();
for (int i = 0; i < connectedClients.Count; i++)
{
netPongClientInfo cliInfo = (netPongClientInfo)connectedClients[i];
if (cliInfo.hClientTcpSocket.Connected)
{
tmpCon.Add(cliInfo);
}
else
{
bRefresh = true;
try
{
cliInfo.hClientTcpSocket.Shutdown(SocketShutdown.Both);
cliInfo.hClientTcpSocket.Close();
}
catch (Exception)
{
}
//console-output
Console.WriteLine("");
Console.WriteLine("|========================");
Console.WriteLine("| - Player disconnected");
Console.WriteLine("| * PlayerName : " + cliInfo.strClientName);
Console.WriteLine("|========================");
ArrayList tmpInv = new ArrayList();
for (int x = 0; x < openInvitations.Count; x++)
{
netPongInvitation inv = (netPongInvitation)openInvitations[x];
if (inv.infoPlayer1.strClientName.Equals(cliInfo.strClientName) || inv.infoPlayer2.strClientName.Equals(cliInfo.strClientName))
{
continue;
}
else
{
tmpInv.Add(inv);
}
}
openInvitations = tmpInv;
}
}
connectedClients = tmpCon;
if (bRefresh)
{
NotifyAllNewClientConnected();
}
}
private static bool IsPlayerNameAvailable(string strPlayerName)
{
for (int i = 0; i < connectedClients.Count; i++)
{
netPongClientInfo cliInfo = (netPongClientInfo)connectedClients[i];
if (cliInfo.strClientName.Equals(strPlayerName))
{
return(false);
}
}
return(true);
}
private static bool GetClientInfoFromName(string strClientName, out netPongClientInfo clientInfo)
{
for (int i = 0; i < connectedClients.Count; i++)
{
if (((netPongClientInfo)connectedClients[i]).strClientName.Equals(strClientName))
{
clientInfo = (netPongClientInfo)connectedClients[i];
return(true);
}
}
clientInfo = new netPongClientInfo();
return(false);
}
private static void SendWelcomeCallback(IAsyncResult ar)
{
// Retrieve the socket from the state object.
netPongClientInfo cliInfo = (netPongClientInfo)ar.AsyncState;
try
{
// Complete sending the data to the remote device.
int bytesSent = cliInfo.hClientTcpSocket.EndSend(ar);
//console-output
Console.WriteLine("");
Console.WriteLine("|========================");
Console.WriteLine("| - Client connected");
Console.WriteLine("| * Info : " + cliInfo.hClientTcpSocket.RemoteEndPoint.ToString());
Console.WriteLine("| * Player Name: " + cliInfo.strClientName);
Console.WriteLine("|========================");
NotifyAllNewClientConnected();
connectedClients.Add(cliInfo);
}
catch (Exception e)
{
//console-output
Console.WriteLine("");
Console.WriteLine("|========================");
Console.WriteLine("| - Error sending WELCOME command");
Console.WriteLine("| * Exception : " + e.ToString());
Console.WriteLine("| * Info : " + cliInfo.hClientTcpSocket.RemoteEndPoint.ToString());
Console.WriteLine("| * Player Name: " + cliInfo.strClientName);
Console.WriteLine("|========================");
cliInfo.hClientTcpSocket.Shutdown(SocketShutdown.Both);
cliInfo.hClientTcpSocket.Close();
}
// Create the state object.
StateObject state = new StateObject();
state.workSocket = cliInfo.hClientTcpSocket;
state.neededBytes = 3;
state.recvData = new ArrayList();
cliInfo.hClientTcpSocket.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0, new AsyncCallback(ReadCallback), state);
}
private static void SendPlayerInviteCommand(byte[] nPacket, Socket hSenderSocket)
{
byte[] arg = new byte[nPacket.Length - 3];
for (int i = 0; i < arg.Length; i++)
{
arg[i] = nPacket[i + 3];
}
string strRecvName = "";
if (!MakePlayerName(arg, ref strRecvName))
{
//console-output
Console.WriteLine("");
Console.WriteLine("|========================");
Console.WriteLine("| - Reciever not found");
Console.WriteLine("| * PlayerName : " + strRecvName);
Console.WriteLine("| * Invitation not sent");
Console.WriteLine("|========================");
}
Socket recvSock = null;
string strSenderName = "";
for (int i = 0; i < connectedClients.Count; i++)
{
netPongClientInfo cliInfo = (netPongClientInfo)connectedClients[i];
if (cliInfo.strClientName.Equals(strRecvName))
{
recvSock = cliInfo.hClientTcpSocket;
}
if (cliInfo.hClientTcpSocket.Equals(hSenderSocket))
{
strSenderName = cliInfo.strClientName;
}
}
if ((recvSock == null) || strSenderName.Equals(""))
{
//console-output
Console.WriteLine("");
Console.WriteLine("|========================");
Console.WriteLine("| - Client not connected");
Console.WriteLine("| * PlayerName : " + strRecvName);
Console.WriteLine("| * Invitation not sent");
Console.WriteLine("|========================");
return;
}
byte[] byteData = null;
try
{
byteData = Encoding.ASCII.GetBytes(strSenderName);
}
catch (Exception e)
{
//console-output
Console.WriteLine("");
Console.WriteLine("|========================");
Console.WriteLine("| - Error");
Console.WriteLine("| * Info : " + e.ToString());
Console.WriteLine("|========================");
return;
}
bool bAddNewSession = false;
netPongInvitation newSessionInvitation = new netPongInvitation();
int newSessionID = -1;
for (int i = 0; i < openInvitations.Count; i++)
{
netPongInvitation inv = (netPongInvitation)openInvitations[i];
// invitation already exists, must be a confirm message
if ((inv.infoPlayer1.strClientName.Equals(strSenderName) || inv.infoPlayer2.strClientName.Equals(strSenderName)) &&
(inv.infoPlayer1.strClientName.Equals(strRecvName) || inv.infoPlayer2.strClientName.Equals(strRecvName))
)
{
if ((inv.infoPlayer1.strClientName.Equals(strSenderName) && inv.isConfirmedPlayer1) ||
(inv.infoPlayer2.strClientName.Equals(strSenderName) && inv.isConfirmedPlayer2))
{
//console-output
Console.WriteLine("");
Console.WriteLine("|========================");
Console.WriteLine("| - An invitation already exits between " + strRecvName + " and " + strSenderName);
Console.WriteLine("|========================");
return;
}
//console-output
Console.WriteLine("");
Console.WriteLine("|========================");
Console.WriteLine("| - Invitation confirmed between " + strRecvName + " and " + strSenderName);
Console.WriteLine("|========================");
bAddNewSession = true;
newSessionInvitation = inv;
netPongUdpGameServer.AddGameSession(newSessionInvitation, out newSessionID);
break;
}
//check if one of the player is already in a game
if (inv.isConfirmedPlayer1)
{
if (inv.infoPlayer1.strClientName.Equals(strSenderName) || inv.infoPlayer1.strClientName.Equals(strRecvName))
{
//console-output
Console.WriteLine("");
Console.WriteLine("|========================");
Console.WriteLine("| - Error: cannot send invitation, player " + inv.infoPlayer1.strClientName + " is already in a game");
Console.WriteLine("|========================");
return;
}
}
if (inv.isConfirmedPlayer2)
{
if (inv.infoPlayer2.strClientName.Equals(strSenderName) || inv.infoPlayer2.strClientName.Equals(strRecvName))
{
//console-output
Console.WriteLine("");
Console.WriteLine("|========================");
Console.WriteLine("| - Error: cannot send invitation, player " + inv.infoPlayer2.strClientName + " is already in a game");
Console.WriteLine("|========================");
return;
}
}
}
byte[] nSendPacket = new byte[byteData.GetLength(0) + 3];
nSendPacket[0] = (byte)netPongTcpOpCodes.NP_TCP_CMD_PLAYERINVITE;
nSendPacket[1] = 0x00;
nSendPacket[2] = (byte)byteData.Length;
for (int i = 0; i < byteData.Length; i++)
{
nSendPacket[i + 3] = byteData[i];
}
if (!bAddNewSession)
{
netPongInvitation newInv = new netPongInvitation();
netPongClientInfo player1Info = new netPongClientInfo();
GetClientInfoFromName(strSenderName, out player1Info);
newInv.infoPlayer1 = player1Info;
newInv.isConfirmedPlayer1 = true;
netPongClientInfo player2Info = new netPongClientInfo();
GetClientInfoFromName(strRecvName, out player2Info);
newInv.infoPlayer2 = player2Info;
newInv.isConfirmedPlayer2 = false;
openInvitations.Add(newInv);
}
playerInviteCallbackParam param = new playerInviteCallbackParam();
param.bAddNewSession = false;
param.hSocket = recvSock;
if (bAddNewSession)
{
param.bAddNewSession = true;
param.nNewSessionID = newSessionID;
param.newInvitation = newSessionInvitation;
}
try
{
// Begin sending the data to the remote device.
recvSock.BeginSend(nSendPacket, 0, nSendPacket.Length, 0, new AsyncCallback(SendPlayerInviteCallback), param);
}
catch (Exception e)
{
//console-output
Console.WriteLine("");
Console.WriteLine("|========================");
Console.WriteLine("| - Error");
Console.WriteLine("| * Info : " + e.ToString());
Console.WriteLine("|========================");
}
}
private static void SendRejectInvitationCommand(byte[] nPacket, Socket hSenderSocket)
{
byte[] arg = new byte[nPacket.Length - 3];
for (int i = 0; i < arg.Length; i++)
{
arg[i] = nPacket[i + 3];
}
string strRecvName = "";
if (!MakePlayerName(arg, ref strRecvName))
{
//console-output
Console.WriteLine("");
Console.WriteLine("|========================");
Console.WriteLine("| - Reciever not found");
Console.WriteLine("| * PlayerName : " + strRecvName);
Console.WriteLine("| * Invitation not sent");
Console.WriteLine("|========================");
}
Socket recvSock = null;
string strSenderName = "";
for (int i = 0; i < connectedClients.Count; i++)
{
netPongClientInfo cliInfo = (netPongClientInfo)connectedClients[i];
if (cliInfo.strClientName.Equals(strRecvName))
{
recvSock = cliInfo.hClientTcpSocket;
}
if (cliInfo.hClientTcpSocket.Equals(hSenderSocket))
{
strSenderName = cliInfo.strClientName;
}
}
if ((recvSock == null) || strSenderName.Equals(""))
{
//console-output
Console.WriteLine("");
Console.WriteLine("|========================");
Console.WriteLine("| - Client not connected");
Console.WriteLine("| * PlayerName : " + strRecvName);
Console.WriteLine("| * Reject Invitation not sent");
Console.WriteLine("|========================");
return;
}
byte[] byteSender = null;
try
{
byteSender = Encoding.ASCII.GetBytes(strSenderName);
}
catch (Exception e)
{
//console-output
Console.WriteLine("");
Console.WriteLine("|========================");
Console.WriteLine("| - Error");
Console.WriteLine("| * Info : " + e.ToString());
Console.WriteLine("|========================");
return;
}
for (int i = 0; i < openInvitations.Count; i++)
{
netPongInvitation inv = (netPongInvitation)openInvitations[i];
// invitation exists
if ((inv.infoPlayer1.strClientName.Equals(strSenderName) || inv.infoPlayer2.strClientName.Equals(strSenderName)) &&
(inv.infoPlayer1.strClientName.Equals(strRecvName) || inv.infoPlayer2.strClientName.Equals(strRecvName))
)
{
openInvitations.RemoveAt(i);
break;
}
}
byte[] nSendPacket = new byte[byteSender.GetLength(0) + 3];
nSendPacket[0] = (byte)netPongTcpOpCodes.NP_TCP_CMD_REJECTINVITATION;
nSendPacket[1] = 0x00;
nSendPacket[2] = (byte)byteSender.Length;
for (int i = 0; i < byteSender.Length; i++)
{
nSendPacket[i + 3] = byteSender[i];
}
try
{
// Begin sending the data to the remote device.
recvSock.BeginSend(nSendPacket, 0, nSendPacket.Length, 0, new AsyncCallback(SendRejectInviteCallback), recvSock);
}
catch (Exception e)
{
//console-output
Console.WriteLine("");
Console.WriteLine("|========================");
Console.WriteLine("| - Error");
Console.WriteLine("| * Info : " + e.ToString());
Console.WriteLine("|========================");
}
}
private static void ParseTextMessageCommand(byte[] nPacket, Socket sender)
{
byte nUsrLen = nPacket[1];
byte nMsgLen = nPacket[2];
byte[] bytesUsr = new byte[nUsrLen];
string strRecv = "";
int nPos = 3;
for (int i = 0; i < nUsrLen; i++)
{
bytesUsr[i] = nPacket[nPos];
nPos++;
}
if (!MakePlayerName(bytesUsr, ref strRecv))
{
return;
}
byte[] bytesMsg = new byte[nMsgLen];
for (int i = 0; i < nMsgLen; i++)
{
bytesMsg[i] = nPacket[nPos];
nPos++;
}
string sendername = "";
Socket recvSock = null;
for (int i = 0; i < connectedClients.Count; i++)
{
netPongClientInfo cliInfo = (netPongClientInfo)connectedClients[i];
if (cliInfo.hClientTcpSocket.Equals(sender))
{
sendername = cliInfo.strClientName;
}
if (cliInfo.strClientName.Equals(strRecv))
{
recvSock = cliInfo.hClientTcpSocket;
}
}
if (sendername.Equals("") || (recvSock == null))
{
return;
}
byte[] byteSender = null;
try
{
byteSender = Encoding.ASCII.GetBytes(sendername);
}
catch (Exception e)
{
//console-output
Console.WriteLine("");
Console.WriteLine("|========================");
Console.WriteLine("| - Error");
Console.WriteLine("| * Info : " + e.ToString());
Console.WriteLine("|========================");
return;
}
SendTextMessageCommand(recvSock, byteSender, bytesMsg);
}