int receive(int port_num, const char *buffer, int len) {
static int pkt_id = 0;
auto packet = new_packet_ptr(port_num, pkt_id++, len,
PacketBuffer(2048, buffer, len));
ELOGGER->packet_in(*packet);
input_buffer.push_front(std::move(packet));
return 0;
}
PacketBuffer Ethernet::makePacket() const
{
int size = EthernetSize;
if( header_.protocol == ethernetProtocol::k_8021q )
size += Dot1QSize;
uint8_t buff[size];
*((EthernetHeader*)buff) = header_;
if( header_.protocol == ethernetProtocol::k_8021q )
*((VlanTag*)(buff+EthernetSize)) = vlanTag_;
return PacketBuffer( buff, size );
}
PacketBuffer IPv6Address::makePacket( ) const
{
return PacketBuffer( address_ );
}
int ConnectorInterface::ReserveThreadPacketBuffer()
{
#if BEHAVIAC_COMPILER_MSVC
uint32_t bufferIndex = (uint32_t)(uint64_t)TlsGetValue(t_packetBufferIndex);
#else
uint32_t bufferIndex = t_packetBufferIndex;
#endif
//THREAD_ID_TYPE id = behaviac::GetTID();
//BEHAVIAC_LOGINFO("ReserveThreadPacketBuffer:%d thread %d\n", bufferIndex, id);
//bufferIndex initially is 0
if (bufferIndex <= 0)
{
int retIndex(-2);
ScopedLock lock(m_packetBuffersLock);
// NOTE: This is quite naive attempt to make sure that main thread queue
// is the last one (rely on the fact that it's most likely to be the first
// one trying to send message). This means EndFrame event should be sent after
// memory operations from that frame.
// (doesn't matter in SEQUENTIAL mode).
for (int i = m_maxTracedThreads - 1; i >= 0; --i)
{
if (!m_packetBuffers[i])
{
ScopedInt_t scopedInt(&gs_threadFlag);
m_packetBuffers[i] = BEHAVIAC_NEW PacketBuffer(this);
}
if (m_packetBuffers[i])
{
if (m_packetBuffers[i]->m_free)
{
m_packetBuffers[i]->m_free = false;
retIndex = i;
break;
}
}
}
if (retIndex > 0)
{
#if BEHAVIAC_COMPILER_MSVC
TlsSetValue(t_packetBufferIndex, (PVOID)(uint64_t)retIndex);
#else
t_packetBufferIndex = retIndex;
#endif
}
else
{
Log("behaviac: Couldn't reserve packet buffer, too many active threads.\n");
BEHAVIAC_ASSERT(false);
}
bufferIndex = retIndex;
//BEHAVIAC_LOGINFO("ReserveThreadPacketBuffer:%d thread %d\n", bufferIndex, id);
}
return bufferIndex;
}
Packet
Packet::make_new(PHVSourceIface *phv_source) {
return Packet(0, 0, 0, 0, 0, PacketBuffer(), phv_source);
}
