/// <summary>
/// Builds a packet from the incoming buffer + offset. If a packet can be built, it is returned else null.
/// </summary>
/// <param name="offset">Current offset in buffer.</param>
/// <param name="buffer">Incoming buffer.</param>
/// <returns>Returns either a BasePacket or null if not enough data.</returns>
public static BasePacket CreatePacket(ref int offset, byte[] buffer, int bytesRead)
{
BasePacket newPacket = null;
//Too small to even get length
if (bytesRead <= offset)
return(null); }
public static BasePacket CreatePacket(SubPacket subpacket, bool isAuthed, bool isCompressed)
{
//Create Header
var header = new BasePacketHeader();
byte[] data = null;
header.isAuthenticated = isAuthed ? (byte)1 : (byte)0;
header.isCompressed = isCompressed ? (byte)1 : (byte)0;
header.numSubpackets = 1;
header.packetSize = BASEPACKET_SIZE;
header.timestamp = Utils.MilisUnixTimeStampUTC();
//Get packet size
header.packetSize += subpacket.header.subpacketSize;
data = new byte[header.packetSize - 0x10];
//Add Subpackets
var subpacketData = subpacket.GetBytes();
Array.Copy(subpacketData, 0, data, 0, subpacketData.Length);
Debug.Assert(data != null);
var packet = new BasePacket(header, data);
return(packet);
}
public static BasePacket CreatePacket(byte[] data, bool isAuthed, bool isCompressed)
{
Debug.Assert(data != null);
//Create Header
var header = new BasePacketHeader();
header.isAuthenticated = isAuthed ? (byte)1 : (byte)0;
header.isCompressed = isCompressed ? (byte)1 : (byte)0;
header.numSubpackets = 1;
header.packetSize = BASEPACKET_SIZE;
header.timestamp = Utils.MilisUnixTimeStampUTC();
//Get packet size
header.packetSize += (ushort)data.Length;
var packet = new BasePacket(header, data);
return(packet);
}
public static BasePacket CreatePacket(List <SubPacket> subpackets, bool isAuthed, bool isCompressed)
{
//Create Header
var header = new BasePacketHeader();
byte[] data = null;
header.isAuthenticated = isAuthed ? (byte)1 : (byte)0;
header.isCompressed = isCompressed ? (byte)1 : (byte)0;
header.numSubpackets = (ushort)subpackets.Count;
header.packetSize = BASEPACKET_SIZE;
header.timestamp = Utils.MilisUnixTimeStampUTC();
//Get packet size
foreach (var subpacket in subpackets)
{
header.packetSize += subpacket.header.subpacketSize;
}
data = new byte[header.packetSize - 0x10];
//Add Subpackets
var offset = 0;
foreach (var subpacket in subpackets)
{
var subpacketData = subpacket.GetBytes();
Array.Copy(subpacketData, 0, data, offset, subpacketData.Length);
offset += (ushort)subpacketData.Length;
}
Debug.Assert(data != null && offset == data.Length && header.packetSize == 0x10 + offset);
var packet = new BasePacket(header, data);
return(packet);
}
