Method ProcessPacket

src/ServerUDPSocket.cpp:106–346

void CServerUDPSocket::ProcessPacket(CMemFile& packet, uint8 opcode, uint32 ip, uint16 port)
{
	CServer* update = theApp->serverlist->GetServerByIPUDP(ip, port, true);
	unsigned size = packet.GetLength();

	theStats::AddDownOverheadOther(size);
	AddDebugLogLineN( logServerUDP,
					CFormat( "Received UDP server packet from %s:%u, opcode (0x%x)") %
							Uint32toStringIP(ip) % port % opcode );

	try {
		// Imported: OP_GLOBSEARCHRES, OP_GLOBFOUNDSOURCES & OP_GLOBSERVSTATRES
		// This makes Server UDP Flags to be set correctly so we use less bandwidth on asking servers for sources
		// Also we process Search results and Found sources correctly now on 16.40 behaviour.
		switch(opcode){
			case OP_GLOBSEARCHRES: {

				// process all search result packets

				do{
					theApp->searchlist->ProcessUDPSearchAnswer(packet, true, ip, port - 4);

					if (packet.GetPosition() + 2 < size) {
						// An additional packet?
						uint8 protocol = packet.ReadUInt8();
						uint8 new_opcode = packet.ReadUInt8();

						if (protocol != OP_EDONKEYPROT || new_opcode != OP_GLOBSEARCHRES) {
							AddDebugLogLineC( logServerUDP,
								"Server search reply got additional bogus bytes." );
							break;
						} else {
							AddDebugLogLineN( logServerUDP,
								"Got server search reply with additional packet." );
						}
					}

				} while (packet.GetPosition()+2 < size);

				break;
			}
			case OP_GLOBFOUNDSOURCES:{
				// process all source packets
				do {
					CMD4Hash fileid = packet.ReadHash();
					if (CPartFile* file = theApp->downloadqueue->GetFileByID(fileid)) {
						file->AddSources(packet, ip, port-4, SF_REMOTE_SERVER, false);
					} else {
						AddDebugLogLineC( logServerUDP, "Sources received for unknown file" );
						// skip sources for that file
						uint8 count = packet.ReadUInt8();
						packet.Seek(count*(4+2), wxFromCurrent);
					}

					if (packet.GetPosition()+2 < size) {
						// An additional packet?
						uint8 protocol = packet.ReadUInt8();
						uint8 new_opcode = packet.ReadUInt8();