public Segment(int size)
{
if (KCPLib.BufferAlloc != null)
{
this.data = new ArraySegment <byte>(KCPLib.BufferAlloc(size), 0, size);
}
else
{
this.data = new ArraySegment <byte>(new byte[size], 0, size);
}
}
/// <summary>
/// 是否是正确的握手响应
/// </summary>
/// <param name="buffer"></param>
/// <param name="offset"></param>
/// <param name="size"></param>
/// <param name="index"></param>
/// <param name="key"></param>
/// <returns></returns>
internal static bool IsHandshakeDataRight(byte[] buffer, int offset, int size, out uint index, out uint key)
{
index = 0;
key = 0;
if (size < UdpLibConfig.HandshakeDataSize)
{
return(false);
}
for (int i = 0; i < UdpLibConfig.HandshakeHeadData.Length; i++)
{
if (buffer[offset + i] != UdpLibConfig.HandshakeHeadData[i])
{
return(false);
}
}
KCPLib.ikcp_decode32u(buffer, offset + UdpLibConfig.HandshakeHeadData.Length, ref index);
KCPLib.ikcp_decode32u(buffer, offset + UdpLibConfig.HandshakeHeadData.Length + 4, ref key);
return(true);
}