Method SendPacket

src/ServerUDPSocket.cpp:361–411

}

void CServerUDPSocket::SendPacket(CPacket* packet, CServer* host, bool delPacket, bool rawpacket, uint16 port_offset)
{
	ServerUDPPacket item = { NULL, 0, 0, "" };

	if (host->HasDynIP()) {
		item.addr = host->GetDynIP();
	} else {
		item.ip = host->GetIP();
	}

	// 4 (default) for standard sending, 12 for obfuscated ping, that's all for now.
	// Might be changed if encrypted below, so don't move it.
	item.port = host->GetPort() + port_offset;

	// We might need to encrypt the packet for this server.
	if (!rawpacket && thePrefs::IsServerCryptLayerUDPEnabled() && host->GetServerKeyUDP() != 0 && host->SupportsObfuscationUDP()) {
		uint16 uRawPacketSize = packet->GetPacketSize() + 2;
		uint8_t* pRawPacket = new uint8_t[uRawPacketSize];
		memcpy(pRawPacket, packet->GetUDPHeader(), 2);
		memcpy(pRawPacket + 2, packet->GetDataBuffer(), packet->GetPacketSize());

		uRawPacketSize = CEncryptedDatagramSocket::EncryptSendServer(&pRawPacket, uRawPacketSize, host->GetServerKeyUDP());
		AddDebugLogLineN(logServerUDP, CFormat("Sending encrypted packet to server %s, UDPKey %u, port %u, original OPCode 0x%02x") % host->GetListName() % host->GetServerKeyUDP() % host->GetObfuscationPortUDP() % packet->GetOpCode());
		item.port = host->GetObfuscationPortUDP();

		CMemFile encryptedpacket(pRawPacket + 2, uRawPacketSize - 2);
		item.packet  = new CPacket(encryptedpacket, pRawPacket[0], pRawPacket[1]);
		delete[] pRawPacket;

		if (delPacket) {
			delete packet;
		}

	} else {
		AddDebugLogLineN(logServerUDP, CFormat("Sending regular packet to server %s, port %u (raw = %s), OPCode 0x%02x") % host->GetListName() % host->GetObfuscationPortUDP() % (rawpacket ? "True" : "False") % packet->GetOpCode());
		if (delPacket) {
			item.packet = packet;
		} else {
			item.packet = new CPacket(*packet);
		}
	}


	m_queue.push_back(item);

	// If there is more than one item in the queue,
	// then we are already waiting for a dns query.
	if (m_queue.size() == 1) {
		SendQueue();
	}
}


void CServerUDPSocket::SendQueue()