//TODO handle nagle, protect against OOM by defining a max packet size.
public EzPacket Read(byte[] data)
{
IBuffer buffer = EzServer.Buffer.Provide(data);
EzPacket packet = null;
if (_isFinished)
{
buffer.SetPositionStart();
byte id = buffer.ReadByte();
int size = buffer.ReadInt16(Endianness.Big);
int desiredSize = size + EzPacket.HeaderSize;
if (buffer.Size == desiredSize)
{
IBuffer packetBuffer = buffer.Clone(EzPacket.HeaderSize, size);
packet = new EzPacket(id, packetBuffer);
}
else if (buffer.Size < desiredSize)
{
_currentId = id;
_currentDesiredSize = desiredSize;
_isFinished = false;
_currentPacketBuffer = buffer;
}
else
{
_logger.Error("TODO");
}
}
else
{
long dataSize = _currentPacketBuffer.Size + buffer.Size;
if (dataSize == _currentDesiredSize)
{
_isFinished = true;
IBuffer packetBuffer = _currentPacketBuffer.Clone(EzPacket.HeaderSize, _currentDesiredSize);
packet = new EzPacket(_currentId, packetBuffer);
}
else if (dataSize < _currentDesiredSize)
{
_currentPacketBuffer.SetPositionEnd();
_currentPacketBuffer.WriteBuffer(buffer);
}
else
{
_logger.Error("TODO1");
}
}
return(packet);
}
private string CreatePacketLog(NecLogPacket logPacket)
{
ServerType serverType = logPacket.ServerType;
ushort packetId = logPacket.Id;
if (ExcludeLog(serverType, packetId))
{
return(null);
}
int dataSize = logPacket.Data.Size;
StringBuilder sb = new StringBuilder();
sb.Append($"{logPacket.ClientIdentity} Packet Log");
sb.Append(Environment.NewLine);
sb.Append("----------");
sb.Append(Environment.NewLine);
sb.Append($"[{logPacket.TimeStamp:HH:mm:ss}][Typ:{logPacket.LogType}]");
sb.Append($"[{serverType}]");
sb.Append(Environment.NewLine);
sb.Append(
$"[Id:0x{packetId:X2}|{packetId}][Len(Data/Total):{dataSize}/{dataSize + logPacket.Header.Length}][Header:{logPacket.HeaderHex}]");
sb.Append($"[{logPacket.PacketIdName}]");
sb.Append(Environment.NewLine);
if (!NoData)
{
IBuffer data = logPacket.Data;
int maxPacketSize = MaxPacketSize;
if (maxPacketSize > 0 && dataSize > maxPacketSize)
{
data = data.Clone(0, maxPacketSize);
sb.Append($"- Truncated Data showing {maxPacketSize} of {dataSize} bytes");
sb.Append(Environment.NewLine);
}
sb.Append("ASCII:");
sb.Append(Environment.NewLine);
sb.Append(data.ToAsciiString(" "));
sb.Append(Environment.NewLine);
sb.Append("HEX:");
sb.Append(Environment.NewLine);
sb.Append(data.ToHexString(" "));
sb.Append(Environment.NewLine);
}
sb.Append("----------");
return(sb.ToString());
}
public override object Clone(
File context
)
{
PdfStream clone = (PdfStream)MemberwiseClone();
{
// Deep cloning...
clone.header = (PdfDictionary)header.Clone(context);
clone.body = (IBuffer)body.Clone();
}
return(clone);
}
private string CreatePacketLog(MhfLogPacket logPacket)
{
ushort packetId = logPacket.Id;
if (ExcludeLog(packetId))
{
return(null);
}
int dataSize = logPacket.Data.Size;
StringBuilder sb = new StringBuilder();
sb.Append($"{logPacket.ClientIdentity} Packet Log");
sb.Append(Environment.NewLine);
sb.Append("----------");
sb.Append(Environment.NewLine);
sb.Append($"[{logPacket.TimeStamp:HH:mm:ss}][Typ:{logPacket.LogType}]");
sb.Append(Environment.NewLine);
sb.Append(
$"[Id:0x{logPacket.Id:X2}|{logPacket.Id}][BodyLen:{logPacket.Data.Size}][{logPacket.PacketIdName}]");
sb.Append(Environment.NewLine);
sb.Append(logPacket.Header.ToLogText());
sb.Append(Environment.NewLine);
if (!NoData)
{
IBuffer data = logPacket.Data;
int maxPacketSize = MaxPacketSize;
if (maxPacketSize > 0 && dataSize > maxPacketSize)
{
data = data.Clone(0, maxPacketSize);
sb.Append($"- Truncated Data showing {maxPacketSize} of {dataSize} bytes");
sb.Append(Environment.NewLine);
}
sb.Append("ASCII:");
sb.Append(Environment.NewLine);
sb.Append(data.ToAsciiString(true));
sb.Append(Environment.NewLine);
sb.Append("HEX:");
sb.Append(Environment.NewLine);
sb.Append(data.ToHexString(' '));
sb.Append(Environment.NewLine);
}
sb.Append("----------");
return(sb.ToString());
}
