public static ArraySegment <byte> ReadBytesAndSizeSegment(this NetworkReader reader)
{
// dont need to ValidateSize here because we dont allocate for segment
return(ReadCountPlusOne(reader, out var count)
? reader.ReadBytesSegment(count)
: default);
public static ArraySegment <byte> ReadBytesAndSizeSegment(this NetworkReader reader)
{
// count = 0 means the array was null
// otherwise count - 1 is the length of the array
uint count = reader.ReadPackedUInt32();
return(count == 0 ? default : reader.ReadBytesSegment(checked ((int)(count - 1u))));
}
/// <returns>string or null</returns>
/// <exception cref="ArgumentException">Throws if invalid utf8 string is received</exception>
public static string ReadString(this NetworkReader reader)
{
// read number of bytes
ushort size = reader.ReadUInt16();
if (size == 0)
{
return(null);
}
int realSize = size - 1;
// make sure it's within limits to avoid allocation attacks etc.
if (realSize >= MaxStringLength)
{
throw new EndOfStreamException($"ReadString too long: {realSize}. Limit is: {MaxStringLength}");
}
ArraySegment <byte> data = reader.ReadBytesSegment(realSize);
// convert directly from buffer to string via encoding
return(encoding.GetString(data.Array, data.Offset, data.Count));
}