/// <summary>
/// Magic number sent by the host to the client during the handshake.
/// Derived from the binary timestamp to avoid mixing binary versions,
/// Is64BitProcess to avoid mixing bitness, and enableNodeReuse to
/// ensure that a /nr:false build doesn't reuse clients left over from
/// a prior /nr:true build.
/// </summary>
/// <param name="enableNodeReuse">Is reuse of build nodes allowed?</param>
internal static long GetHostHandshake(bool enableNodeReuse)
{
long baseHandshake = Constants.AssemblyTimestamp;
baseHandshake = baseHandshake * 17 + EnvironmentUtilities.Is64BitProcess.GetHashCode();
baseHandshake = baseHandshake * 17 + enableNodeReuse.GetHashCode();
return(CommunicationsUtilities.GenerateHostHandshakeFromBase(baseHandshake, GetClientHandshake()));
}