// SetupKcp creates and configures a new KCP instance.
// => useful to start from a fresh state every time the client connects
// => NoDelay, interval, wnd size are the most important configurations.
// let's force require the parameters so we don't forget it anywhere.
protected void SetupKcp(bool noDelay, uint interval = Kcp.INTERVAL, int fastResend = 0, bool congestionWindow = true, uint sendWindowSize = Kcp.WND_SND, uint receiveWindowSize = Kcp.WND_RCV, int timeout = DEFAULT_TIMEOUT)
{
// set up kcp over reliable channel (that's what kcp is for)
kcp = new Kcp(0, RawSendReliable);
// set nodelay.
// note that kcp uses 'nocwnd' internally so we negate the parameter
kcp.SetNoDelay(noDelay ? 1u : 0u, interval, fastResend, !congestionWindow);
kcp.SetWindowSize(sendWindowSize, receiveWindowSize);
// IMPORTANT: high level needs to add 1 channel byte to each raw
// message. so while Kcp.MTU_DEF is perfect, we actually need to
// tell kcp to use MTU-1 so we can still put the header into the
// message afterwards.
kcp.SetMtu(Kcp.MTU_DEF - CHANNEL_HEADER_SIZE);
// create message buffers AFTER window size is set
// see comments on buffer definition for the "+1" part
kcpMessageBuffer = new byte[1 + ReliableMaxMessageSize(receiveWindowSize)];
kcpSendBuffer = new byte[1 + ReliableMaxMessageSize(receiveWindowSize)];
this.timeout = timeout;
state = KcpState.Connected;
refTime.Start();
}
// NoDelay, interval, window size are the most important configurations.
// let's force require the parameters so we don't forget it anywhere.
protected void SetupKcp(bool noDelay, uint interval = Kcp.INTERVAL, int fastResend = 0, bool congestionWindow = true, uint sendWindowSize = Kcp.WND_SND, uint receiveWindowSize = Kcp.WND_RCV)
{
kcp = new Kcp(0, RawSend);
// set nodelay.
// note that kcp uses 'nocwnd' internally so we negate the parameter
kcp.SetNoDelay(noDelay ? 1u : 0u, interval, fastResend, !congestionWindow);
kcp.SetWindowSize(sendWindowSize, receiveWindowSize);
refTime.Start();
state = KcpState.Connected;
Tick();
}
// NoDelay, interval, window size are the most important configurations.
// let's force require the parameters so we don't forget it anywhere.
protected void SetupKcp(bool noDelay, uint interval = Kcp.INTERVAL, int fastResend = 0, bool congestionWindow = true, uint sendWindowSize = Kcp.WND_SND, uint receiveWindowSize = Kcp.WND_RCV)
{
// set up kcp over reliable channel (that's what kcp is for)
kcp = new Kcp(0, RawSendReliable);
// set nodelay.
// note that kcp uses 'nocwnd' internally so we negate the parameter
kcp.SetNoDelay(noDelay ? 1u : 0u, interval, fastResend, !congestionWindow);
kcp.SetWindowSize(sendWindowSize, receiveWindowSize);
// IMPORTANT: high level needs to add 1 channel byte to each raw
// message. so while Kcp.MTU_DEF is perfect, we actually need to
// tell kcp to use MTU-1 so we can still put the header into the
// message afterwards.
kcp.SetMtu(Kcp.MTU_DEF - CHANNEL_HEADER_SIZE);
state = KcpState.Connected;
refTime.Start();
}
