public bool RemoveEncryptionMapping(EndPoint address, double time)
{
for (int i = 0; i < numEncryptionMappings; i++)
{
if (MiscUtils.AddressEqual(encryptionMappings[i].Address, address))
{
encryptionMappings[i].Reset();
if (i + 1 == numEncryptionMappings)
{
int index = i - 1;
while (index >= 0)
{
if ((encryptionMappings[index].TimeoutSeconds < 0 || encryptionMappings[index].LastAccessTime + encryptionMappings[index].TimeoutSeconds >= time) &&
(encryptionMappings[index].ExpireTime <0 || encryptionMappings[index].ExpireTime> time))
{
break;
}
index--;
}
numEncryptionMappings = index + 1;
}
return(true);
}
}
return(false);
}
public bool RemoveEncryptionMapping(EndPoint address, double time)
{
for (int i = 0; i < numEncryptionMappings; i++)
{
if (MiscUtils.AddressEqual(encryptionMappings[i].Address, address))
{
encryptionMappings[i].Reset();
if (i + 1 == numEncryptionMappings)
{
int index = i - 1;
while (index >= 0)
{
if (encryptionMappings[i].LastAccessTime + Defines.NETCODE_TIMEOUT_SECONDS >= time &&
(encryptionMappings[i].ExpireTime <0 || encryptionMappings[i].ExpireTime> time))
{
break;
}
index--;
}
numEncryptionMappings = index + 1;
}
return(true);
}
}
return(false);
}
public int FindEncryptionMapping(EndPoint address, double time)
{
for (int i = 0; i < numEncryptionMappings; i++)
{
if (MiscUtils.AddressEqual(encryptionMappings[i].Address, address) &&
(encryptionMappings[i].LastAccessTime + encryptionMappings[i].TimeoutSeconds >= time || encryptionMappings[i].TimeoutSeconds < 0) &&
(encryptionMappings[i].ExpireTime < 0.0 || encryptionMappings[i].ExpireTime >= time))
{
encryptionMappings[i].LastAccessTime = time;
return(i);
}
}
return(-1);
}
public int FindEncryptionMapping(EndPoint address, double time)
{
for (int i = 0; i < numEncryptionMappings; i++)
{
if (MiscUtils.AddressEqual(encryptionMappings[i].Address, address) &&
encryptionMappings[i].LastAccessTime + Defines.NETCODE_TIMEOUT_SECONDS >= time &&
(encryptionMappings[i].ExpireTime < 0.0 || encryptionMappings[i].ExpireTime >= time))
{
encryptionMappings[i].LastAccessTime = time;
return(i);
}
}
return(-1);
}
public bool Touch(int index, EndPoint address, double time)
{
if (index < 0 || index >= numEncryptionMappings)
{
throw new IndexOutOfRangeException();
}
if (!MiscUtils.AddressEqual(encryptionMappings[index].Address, address))
{
return(false);
}
encryptionMappings[index].LastAccessTime = time;
encryptionMappings[index].ExpireTime = time + Defines.NETCODE_TIMEOUT_SECONDS;
return(true);
}
public int FindEncryptionMapping(EndPoint address, double time)
{
for (int i = 0; i < numEncryptionMappings; i++)
{
if (MiscUtils.AddressEqual(encryptionMappings[i].Address, address) &&
(encryptionMappings[i].LastAccessTime + encryptionMappings[i].TimeoutSeconds >= time || encryptionMappings[i].TimeoutSeconds < 0) &&
(encryptionMappings[i].ExpireTime < 0.0 || encryptionMappings[i].ExpireTime >= time))
{
encryptionMappings[i].LastAccessTime = time;
// Hotfix, sometimes expiry time wasn't being updated and this caused clients to disconnect..
encryptionMappings[i].ExpireTime = time + Defines.NETCODE_TIMEOUT_SECONDS;
return(i);
}
}
return(-1);
}
public bool AddEncryptionMapping(EndPoint address, byte[] sendKey, byte[] receiveKey, double time, double expireTime, int timeoutSeconds, uint clientID)
{
for (int i = 0; i < numEncryptionMappings; i++)
{
if (MiscUtils.AddressEqual(encryptionMappings[i].Address, address) &&
(timeoutSeconds >= 0 && encryptionMappings[i].LastAccessTime + timeoutSeconds >= time))
{
encryptionMappings[i].ExpireTime = expireTime;
encryptionMappings[i].LastAccessTime = time;
encryptionMappings[i].TimeoutSeconds = timeoutSeconds;
encryptionMappings[i].ClientID = clientID;
Buffer.BlockCopy(sendKey, 0, encryptionMappings[i].SendKey, 0, 32);
Buffer.BlockCopy(receiveKey, 0, encryptionMappings[i].ReceiveKey, 0, 32);
return(true);
}
}
for (int i = 0; i < encryptionMappings.Length; i++)
{
if ((encryptionMappings[i].TimeoutSeconds >= 0 && encryptionMappings[i].LastAccessTime + encryptionMappings[i].TimeoutSeconds < time) ||
(encryptionMappings[i].ExpireTime >= 0.0 && encryptionMappings[i].ExpireTime < time))
{
encryptionMappings[i].Address = address;
encryptionMappings[i].ExpireTime = expireTime;
encryptionMappings[i].LastAccessTime = time;
encryptionMappings[i].TimeoutSeconds = timeoutSeconds;
encryptionMappings[i].ClientID = clientID;
Buffer.BlockCopy(sendKey, 0, encryptionMappings[i].SendKey, 0, 32);
Buffer.BlockCopy(receiveKey, 0, encryptionMappings[i].ReceiveKey, 0, 32);
if (i + 1 > numEncryptionMappings)
{
numEncryptionMappings = i + 1;
}
return(true);
}
}
return(false);
}
public bool AddEncryptionMapping(EndPoint address, byte[] sendKey, byte[] receiveKey, double time, double expireTime)
{
for (int i = 0; i < numEncryptionMappings; i++)
{
if (MiscUtils.AddressEqual(encryptionMappings[i].Address, address) &&
encryptionMappings[i].LastAccessTime + Defines.NETCODE_TIMEOUT_SECONDS >= time)
{
encryptionMappings[i].ExpireTime = expireTime;
encryptionMappings[i].LastAccessTime = time;
Buffer.BlockCopy(sendKey, 0, encryptionMappings[i].SendKey, 0, 32);
Buffer.BlockCopy(receiveKey, 0, encryptionMappings[i].ReceiveKey, 0, 32);
return(true);
}
}
for (int i = 0; i < encryptionMappings.Length; i++)
{
if (encryptionMappings[i].LastAccessTime + Defines.NETCODE_TIMEOUT_SECONDS < time ||
(encryptionMappings[i].ExpireTime >= 0.0 && encryptionMappings[i].ExpireTime < time))
{
encryptionMappings[i].Address = address;
encryptionMappings[i].ExpireTime = expireTime;
encryptionMappings[i].LastAccessTime = time;
Buffer.BlockCopy(sendKey, 0, encryptionMappings[i].SendKey, 0, 32);
Buffer.BlockCopy(receiveKey, 0, encryptionMappings[i].ReceiveKey, 0, 32);
if (i + 1 > numEncryptionMappings)
{
numEncryptionMappings = i + 1;
}
return(true);
}
}
return(false);
}
private void processDatagram(Datagram datagram)
{
if (!MiscUtils.AddressEqual(datagram.sender, currentServerEndpoint))
{
return;
}
using (var reader = ByteArrayReaderWriter.Get(datagram.payload))
{
NetcodePacketHeader packetHeader = new NetcodePacketHeader();
packetHeader.Read(reader);
int length = datagram.payloadSize - (int)reader.ReadPosition;
switch (packetHeader.PacketType)
{
case NetcodePacketType.ConnectionChallenge:
processChallengePacket(packetHeader, length, reader);
break;
case NetcodePacketType.ConnectionDenied:
processConnectionDenied(packetHeader, length, reader);
break;
case NetcodePacketType.ConnectionKeepAlive:
processConnectionKeepAlive(packetHeader, length, reader);
break;
case NetcodePacketType.ConnectionPayload:
processConnectionPayload(packetHeader, length, reader);
break;
case NetcodePacketType.ConnectionDisconnect:
processConnectionDisconnect(packetHeader, length, reader);
break;
}
}
}
