public static SteamPacket ReassemblePacket(List <byte[]> splitPackets, bool isCompressed, short uncompressedSize, int packetChecksum)
{
byte[] packetData;
packetData = new byte[0];
MemoryStream memStream = new MemoryStream();
foreach (byte[] splitPacket in splitPackets)
{
memStream.Write(splitPacket, 0, splitPacket.Length);
}
if (isCompressed)
{
BZip2InputStream bzip2 = new BZip2InputStream(new MemoryStream(packetData));
bzip2.Read(packetData, 0, uncompressedSize);
Crc32 crc32 = new Crc32();
crc32.Update(packetData);
if (crc32.Value != packetChecksum)
{
throw new Exception("CRC32 checksum mismatch of uncompressed packet data.");
}
}
return(SteamPacket.CreatePacket(memStream.ToArray()));
}
public static SteamPacket CreatePacket(byte[] rawData, bool prefix)
{
int start = (prefix ? 4 : 0);
SteamPacket packet;
SteamPacketTypes packetType = (SteamPacketTypes)rawData[start];
MemoryStream byteStream = new MemoryStream(rawData.Length - 1);
byteStream.Write(rawData, start + 1, rawData.Length - 1 - start);
switch (packetType)
{
case SteamPacketTypes.S2C_CHALLENGE:
packet = new ChallengeResponsePacket(byteStream.ToArray());
break;
case SteamPacketTypes.S2A_INFO:
packet = new S2A_INFO_Packet(byteStream.ToArray());
break;
case SteamPacketTypes.S2A_INFO2:
packet = new SourceServerInfoResponsePacket(byteStream.ToArray());
//packet = new S2A_INFO2_Packet(byteStream.ToArray());
break;
case SteamPacketTypes.S2A_INFO_DETAILED:
packet = new S2A_INFO_DETAILED_Packet(byteStream.ToArray());
break;
case SteamPacketTypes.S2A_RULES:
packet = new ServerRulesResponsePacket(byteStream.ToArray());
break;
case SteamPacketTypes.S2A_PLAYER:
packet = new PlayersResponsePacket(byteStream.ToArray());
break;
case SteamPacketTypes.RCON_GOLDSRC_CHALLENGE_HEADER:
case SteamPacketTypes.RCON_GOLDSRC_NO_CHALLENGE_HEADER:
case SteamPacketTypes.RCON_GOLDSRC_RESPONSE_HEADER:
packet = new RCONGoldSrcResponsePacket(byteStream.ToArray());
break;
case SteamPacketTypes.M2A_SERVER_BATCH:
packet = new MasterServerResponseBatchPacket(byteStream.ToArray());
break;
default:
packet = new SteamPacket(packetType, byteStream.ToArray());
break;
}
return(packet);
}
public static SteamPacket CreatePacket(byte[] rawData)
{
SteamPacket packet;
SteamPacketTypes packetType = (SteamPacketTypes)rawData[0];
MemoryStream byteStream = new MemoryStream(rawData.Length - 1);
byteStream.Write(rawData, 1, rawData.Length - 1);
switch(packetType)
{
case SteamPacketTypes.S2C_CHALLENGE:
packet = new ChallengeResponsePacket(byteStream.ToArray());
break;
case SteamPacketTypes.S2A_INFO2:
packet = new SourceServerInfoResponsePacket(byteStream.ToArray());
break;
case SteamPacketTypes.S2A_RULES:
packet = new ServerRulesResponsePacket(byteStream.ToArray());
break;
case SteamPacketTypes.S2A_PLAYER:
packet = new PlayersResponsePacket(byteStream.ToArray());
break;
default:
packet = new SteamPacket(packetType, byteStream.ToArray());
break;
}
return packet;
}
public static SteamPacket ReassemblePacket(List <byte[]> splitPackets)
{
return(SteamPacket.ReassemblePacket(splitPackets, false, (short)0, 0));
}
public void Send(SteamPacket dataPacket)
{
byte[] byteData = dataPacket.GetBytes();
this.client.Send(byteData, byteData.Length);
}
public static SteamPacket CreatePacket(byte[] rawData, bool prefix)
{
int start = (prefix ? 4 : 0);
SteamPacket packet;
SteamPacketTypes packetType = (SteamPacketTypes)rawData[start];
MemoryStream byteStream = new MemoryStream(rawData.Length - 1);
byteStream.Write(rawData, start + 1, rawData.Length - 1 - start);
switch (packetType) {
case SteamPacketTypes.S2C_CHALLENGE:
packet = new ChallengeResponsePacket(byteStream.ToArray());
break;
case SteamPacketTypes.S2A_INFO:
packet = new S2A_INFO_Packet(byteStream.ToArray());
break;
case SteamPacketTypes.S2A_INFO2:
packet = new SourceServerInfoResponsePacket(byteStream.ToArray());
//packet = new S2A_INFO2_Packet(byteStream.ToArray());
break;
case SteamPacketTypes.S2A_INFO_DETAILED:
packet = new S2A_INFO_DETAILED_Packet(byteStream.ToArray());
break;
case SteamPacketTypes.S2A_RULES:
packet = new ServerRulesResponsePacket(byteStream.ToArray());
break;
case SteamPacketTypes.S2A_PLAYER:
packet = new PlayersResponsePacket(byteStream.ToArray());
break;
case SteamPacketTypes.RCON_GOLDSRC_CHALLENGE_HEADER:
case SteamPacketTypes.RCON_GOLDSRC_NO_CHALLENGE_HEADER:
case SteamPacketTypes.RCON_GOLDSRC_RESPONSE_HEADER:
packet = new RCONGoldSrcResponsePacket(byteStream.ToArray());
break;
case SteamPacketTypes.M2A_SERVER_BATCH:
packet = new MasterServerResponseBatchPacket(byteStream.ToArray());
break;
default:
packet = new SteamPacket(packetType, byteStream.ToArray());
break;
}
return packet;
}
