/// <summary>
/// Reads a single packet from a string.
/// </summary>
/// <param name="packetFactory">The factory.</param>
/// <param name="stream">The stream.</param>
/// <returns>
/// The parsed packet.
/// Returns null if a full packet could not be read.
/// </returns>
public async Task <IPacket> ReadAsync(IPacketFactory packetFactory, MemoryStream stream)
{
IPacket packet = null;
try {
if (!stream.HasRemaining())
{
return(null);
}
packet = await packetFactory.CreateAsync(stream).ConfigureAwait(false);
if (null == packet)
{
return(null);
}
if (!await packet.DeserializeAsync(stream).ConfigureAwait(false))
{
packet = null;
return(null);
}
await stream.CompactAsync().ConfigureAwait(false);
return(packet);
} finally {
if (null == packet)
{
stream.Reset();
}
}
}