// may be on user thread
private NetSenderChannelBase CreateSenderChannel(NetMessageType tp)
{
NetSenderChannelBase chan;
NetDeliveryMethod method = NetUtility.GetDeliveryMethod(tp);
int sequenceChannel = (int)tp - (int)method;
switch (method)
{
case NetDeliveryMethod.Unreliable:
case NetDeliveryMethod.UnreliableSequenced:
chan = new NetUnreliableSenderChannel(this, NetUtility.GetWindowSize(method));
break;
case NetDeliveryMethod.ReliableOrdered:
chan = new NetReliableSenderChannel(this, NetUtility.GetWindowSize(method));
break;
case NetDeliveryMethod.ReliableSequenced:
case NetDeliveryMethod.ReliableUnordered:
default:
chan = new NetReliableSenderChannel(this, NetUtility.GetWindowSize(method));
break;
}
int channelSlot = (int)method - 1 + sequenceChannel;
NetException.Assert(m_sendChannels[channelSlot] == null);
m_sendChannels[channelSlot] = chan;
return(chan);
}
/// <summary>
/// Zero windowSize indicates that the channel is not yet instantiated (used)
/// Negative freeWindowSlots means this amount of messages are currently queued but delayed due to closed window
/// </summary>
public void GetSendQueueInfo(NetDeliveryMethod method, int sequenceChannel, out int windowSize, out int freeWindowSlots)
{
int channelSlot = (int)method - 1 + sequenceChannel;
var chan = m_sendChannels[channelSlot];
if (chan == null)
{
windowSize = NetUtility.GetWindowSize(method);
freeWindowSlots = windowSize;
return;
}
windowSize = chan.WindowSize;
freeWindowSlots = chan.GetAllowedSends() - chan.m_queuedSends.Count;
return;
}
