internal unsafe NetMapReceiveRing(RxTxPair rxTxPair, byte *memoryRegion, long queueOffset, TPacketReceiver receiver, NetMapTransmitRing hostTxRing)
: base(rxTxPair, memoryRegion, queueOffset)
{
_hostTxRing = hostTxRing;
_receiver = receiver;
_worker = new Thread(new ThreadStart(ThreadLoop));
}
protected NetMapRing(RxTxPair rxTxPair, byte *memoryRegion, long queueOffset)
{
_rxTxPair = rxTxPair;
_queueOffset = queueOffset;
_memoryRegion = memoryRegion;
var ringInfo = RingInfo;
_bufferSize = (int)ringInfo.BufferSize;
_numberOfSlots = (int)ringInfo.NumberOfSlotsPerRing;
_bufferStart = _memoryRegion + _queueOffset + ringInfo.BuffersOffset;
_ringId = ringInfo.RingId;
_rxRing = (NetmapSlot *)((long)(_memoryRegion + queueOffset + Unsafe.SizeOf <NetmapRing>() + 127 + 128) & (~0xFF));
}
private unsafe void SetupRings()
{
var txOffsets = new long[_netmapInterface.NumberOfTXRings];
var rxOffsets = new long[_netmapInterface.NumberOfRXRings];
_rxTxPairs = new RxTxPair[txOffsets.Length + 1];
var span = new Span <long>(IntPtr.Add(NetMapInterfaceAddress, Unsafe.SizeOf <NetMapInterface>()).ToPointer(), _netmapInterface.NumberOfRXRings + _netmapInterface.NumberOfTXRings + 2);
for (var i = 0; i < txOffsets.Length; i++)
{
txOffsets[i] = span[0];
span = span.Slice(1);
_rxTxPairs[i] = new RxTxPair(_interfaceName, i, false);
}
_rxTxPairs[txOffsets.Length] = new RxTxPair(_interfaceName, txOffsets.Length, true);
var txHost = span[0];
span = span.Slice(1);
for (var i = 0; i < rxOffsets.Length; i++)
{
rxOffsets[i] = span[0];
span = span.Slice(1);
}
var rxHost = span[0];
_hostTxRing = new NetMapTransmitRing(_rxTxPairs[_rxTxPairs.Length - 1], (byte *)_mappedRegion.ToPointer(), txHost);
_allRings.Add(_hostTxRing);
_transmitRings = new NetMapTransmitRing[txOffsets.Length];
_receiveRings = new NetMapReceiveRing <TPacketReceiver> [rxOffsets.Length];
for (var i = 0; i < txOffsets.Length; i++)
{
_transmitRings[i] = new NetMapTransmitRing(_rxTxPairs[i], (byte *)_mappedRegion.ToPointer(), txOffsets[i]);
_allRings.Add(_transmitRings[i]);
_receiveRings[i] = new NetMapReceiveRing <TPacketReceiver>(_rxTxPairs[i], (byte *)_mappedRegion.ToPointer(), rxOffsets[i], _createReceiver(_transmitRings[i]), _hostTxRing);
_allRings.Add(_receiveRings[i]);
}
_hostRxRing = new NetMapHostRxRing(_rxTxPairs[_rxTxPairs.Length - 1], (byte *)_mappedRegion.ToPointer(), rxHost, _transmitRings[0]);
_allRings.Add(_hostRxRing);
}
internal unsafe NetMapHostRxRing(RxTxPair rxTxPair, byte *memoryRegion, long rxQueueOffset, NetMapTransmitRing transmitRing)
: base(rxTxPair, memoryRegion, rxQueueOffset)
{
_transmitRing = transmitRing;
_worker = new Thread(new ThreadStart(ThreadLoop));
}