| 67 | } |
| 68 | |
| 69 | bool Pop(TUdpRecvPacket** packet, sockaddr_in6* srcAddr, sockaddr_in6* dstAddr) { |
| 70 | TPacket p; |
| 71 | if (!Queue.Dequeue(p)) { |
| 72 | QueueEvent.Reset(); |
| 73 | if (!Queue.Dequeue(p)) { |
| 74 | return false; |
| 75 | } |
| 76 | QueueEvent.Signal(); |
| 77 | } |
| 78 | *packet = p.first; |
| 79 | *srcAddr = p.second.RemoteAddr; |
| 80 | *dstAddr = p.second.MyAddr; |
| 81 | |
| 82 | AtomicSub(NumPackets, 1); |
| 83 | AtomicSub(DataSize, (*packet)->DataSize); |
| 84 | Y_ASSERT(AtomicGet(NumPackets) >= 0 && AtomicGet(DataSize) >= 0); |
| 85 | |
| 86 | return true; |
| 87 | } |
| 88 | |
| 89 | bool IsEmpty() const { |
| 90 | return AtomicAdd(NumPackets, 0) == 0; |