NewTOAPIA.Net.Udt.CRcvQueue.recvfrom C# (CSharp) Method

        public int recvfrom(int id, ref CPacket packet)
        {
            packet = null;

            CGuard bufferlock = new CGuard(m_PassLock);

            // Try to find a packet for the specified
            // socket ID
            CPacket workPacket;
            if (!m_mBuffer.TryGetValue(id, out workPacket))
            {
                // If we didn't find the packet waiting already
                // Then wait around until a packet arrives
                m_PassLock.ReleaseMutex();
                m_PassCond.WaitOne(1000);
                m_PassLock.WaitOne(-1);

                // Try to find it again
                if (!m_Buffer.TryGetValue(id, out workPacket))
                {
                    packet.setLength(-1);
                    return -1;
                }
            }

            if (packet.getLength() < i.second.getLength())
            {
                packet.setLength(-1);
                return -1;
            }

            workPacket.m_nHeader.CopyTo(packet.m_nHeader, 0);
            workPacket.m_pcData.CopyTo(packet.m_pcData, 0);
            packet.setLength(workPacket.getLength());

            m_mBuffer.Remove(i);

            return packet.getLength();
        }