public static void Error(byte[] payload)
{
Channel channel;
/* Get Channel by id from payload. */
if ((channel = Channel._channels[ShortUtilities.BytesToUnsignedShort(payload)]) == null)
{
System.Console.WriteLine("Channel not found!");
return;
}
if (channel._listener != null)
{
channel._listener.ChannelError(channel);
}
Channel._channels.Remove(channel.Id);
}
public static void Process(byte[] payload)
{
Channel channel;
int offset = 0;
int length = payload.Length;
int headerLength = 0;
int consumedLength = 0;
/* Get Channel by id from payload. */
if ((channel = Channel._channels[ShortUtilities.BytesToUnsignedShort(payload)]) == null)
{
/* Just return if channel is not registered. */
return;
}
offset += 2;
length -= 2;
if (channel.State == ChannelState.STATE_HEADER)
{
if (length < 2)
{
System.Console.WriteLine("Length is smaller than 2!");
return;
}
while (consumedLength < length)
{
/* Extract length of next data. */
headerLength = ShortUtilities.BytesToUnsignedShort(payload, offset);
offset += 2;
consumedLength += 2;
if (headerLength == 0)
{
break;
}
if (consumedLength + headerLength > length)
{
System.Console.WriteLine("Not enough data.");
return;
}
if (channel._listener != null)
{
byte[] buffer = new byte[headerLength];
Array.Copy(payload, offset, buffer, 0, headerLength);
channel._listener.ChannelHeader(channel, buffer);
}
offset += headerLength;
consumedLength += headerLength;
channel._headerLength += headerLength;
}
if (consumedLength != length)
{
System.Console.WriteLine("Didn't consume all data!");
return;
}
/* Upgrade state if this was the last (zero size) header. */
if (headerLength == 0)
{
channel._state = ChannelState.STATE_DATA;
}
return;
}
/*
* Now we're either in the CHANNEL_DATA or CHANNEL_ERROR state.
* If in CHANNEL_DATA and length is zero, switch to CHANNEL_END,
* thus letting the callback routine know this is the last packet.
*/
if (length == 0)
{
channel._state = ChannelState.STATE_END;
if (channel._listener != null)
{
channel._listener.ChannelEnd(channel);
}
}
else
{
if (channel._listener != null)
{
byte[] buffer = new byte[length];
Array.Copy(payload, offset, buffer, 0, length);
channel._listener.ChannelData(channel, buffer);
}
}
channel._dataLength += length;
/* If this is an AES key channel, force end state. */
if (channel.Type == ChannelType.TYPE_AESKEY)
{
channel._state = ChannelState.STATE_END;
if (channel._listener != null)
{
channel._listener.ChannelEnd(channel);
}
}
}