protected internal virtual void Update()
{
if (!_Ready)
{
return;
}
// 1, send.
if (_Started)
{
BufferInfo binfo;
while (_PendingSendMessages.TryDequeue(out binfo))
{
var message = binfo.Buffer;
if (binfo.Count > CONST.MTU)
{
int cnt = binfo.Count;
int offset = 0;
var buffer = BufferPool.GetBufferFromPool();
while (cnt > CONST.MTU)
{
Buffer.BlockCopy(message, offset, buffer, 0, CONST.MTU);
_KCP.kcp_send(buffer, CONST.MTU);
cnt -= CONST.MTU;
offset += CONST.MTU;
}
if (cnt > 0)
{
Buffer.BlockCopy(message, offset, buffer, 0, cnt);
_KCP.kcp_send(buffer, cnt);
}
BufferPool.ReturnBufferToPool(buffer);
}
else
{
_KCP.kcp_send(message, binfo.Count);
}
if (_OnSendComplete != null)
{
_OnSendComplete(message, true);
}
}
}
// 2, real update.
_KCP.kcp_update((uint)Environment.TickCount);
// 3, receive
if (_Started)
{
int recvcnt = _KCP.kcp_recv(_RecvBuffer, CONST.MTU);
if (_OnReceive != null)
{
if (recvcnt > 0)
{
_OnReceive(_RecvBuffer, recvcnt, _Info.EP);
}
}
}
}
private void Init(string url, uint conv)
{
if (conv == 0)
{
PlatDependant.LogError("KCP conversation id should not be 0.");
}
_Connection = new UDPClient(url);
_Conv = conv;
_ConnectionHandle = GCHandle.Alloc(_Connection);
_KCP = KCPLib.kcp_create(conv, (IntPtr)_ConnectionHandle);
_KCP.kcp_setoutput(Func_KCPOutput);
_KCP.kcp_nodelay(1, 10, 2, 1);
// set minrto to 10?
_Connection.UpdateInterval = 10;
_Connection.PreDispose = _con => DisposeSelf();
_Connection.OnReceive = (data, cnt, sender) => _KCP.kcp_input(data, cnt);
_Connection.OnSend = (data, cnt) =>
{
if (cnt > CONST.MTU)
{
int offset = 0;
var buffer = BufferPool.GetBufferFromPool();
while (cnt > CONST.MTU)
{
Buffer.BlockCopy(data, offset, buffer, 0, CONST.MTU);
_KCP.kcp_send(buffer, CONST.MTU);
cnt -= CONST.MTU;
offset += CONST.MTU;
}
if (cnt > 0)
{
Buffer.BlockCopy(data, offset, buffer, 0, cnt);
_KCP.kcp_send(buffer, cnt);
}
BufferPool.ReturnBufferToPool(buffer);
}
else
{
_KCP.kcp_send(data, cnt);
}
return(true);
};
_Connection.OnUpdate = _con =>
{
_KCP.kcp_update((uint)Environment.TickCount);
int recvcnt = _KCP.kcp_recv(_RecvBuffer, CONST.MTU);
if (_OnReceive != null)
{
if (recvcnt > 0)
{
_OnReceive(_RecvBuffer, recvcnt, _Connection.RemoteEndPoint);
}
}
};
}