mirror of
https://github.com/HifiExperiments/overte.git
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Merge branch 'atp' of https://github.com/birarda/hifi into protocol
This commit is contained in:
Atlante45
commit
cb64b0353e
2 changed files with 0 additions and 289 deletions
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@ -3952,9 +3952,6 @@ int Application::processOctreeStats(NLPacket& packet, SharedNodePointer sendingN
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qCDebug(interfaceapp, "stats from new %s server... [%f, %f, %f, %f]",
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qPrintable(serverType),
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(double)rootDetails.x, (double)rootDetails.y, (double)rootDetails.z, (double)rootDetails.s);
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} else {
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jurisdiction->unlock();
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}
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} else {
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jurisdiction->unlock();
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}
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@ -1,286 +0,0 @@
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//
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// PacketHeaders.cpp
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// libraries/networking/src
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//
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// Created by Stephen Birarda on 6/28/13.
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// Copyright 2013 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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#include "PacketHeaders.h"
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#include <math.h>
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#include <QtCore/QDebug>
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int arithmeticCodingValueFromBuffer(const char* checkValue) {
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if (((uchar) *checkValue) < 255) {
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return *checkValue;
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} else {
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return 255 + arithmeticCodingValueFromBuffer(checkValue + 1);
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}
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}
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int numBytesArithmeticCodingFromBuffer(const char* checkValue) {
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if (((uchar) *checkValue) < 255) {
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return 1;
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} else {
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return 1 + numBytesArithmeticCodingFromBuffer(checkValue + 1);
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}
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}
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int packArithmeticallyCodedValue(int value, char* destination) {
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if (value < 255) {
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// less than 255, just pack our value
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destination[0] = (uchar) value;
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return 1;
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} else {
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// pack 255 and then recursively pack on
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((unsigned char*)destination)[0] = 255;
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return 1 + packArithmeticallyCodedValue(value - 255, destination + 1);
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}
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}
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PacketVersion versionForPacketType(PacketType packetType) {
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switch (packetType) {
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case PacketTypeMicrophoneAudioNoEcho:
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case PacketTypeMicrophoneAudioWithEcho:
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return 2;
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case PacketTypeSilentAudioFrame:
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return 4;
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case PacketTypeMixedAudio:
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return 1;
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case PacketTypeInjectAudio:
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return 1;
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case PacketTypeAvatarData:
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return 7;
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case PacketTypeAvatarIdentity:
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return 1;
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case PacketTypeEnvironmentData:
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return 2;
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case PacketTypeDomainList:
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case PacketTypeDomainListRequest:
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return 5;
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case PacketTypeCreateAssignment:
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case PacketTypeRequestAssignment:
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return 2;
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case PacketTypeOctreeStats:
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return 1;
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case PacketTypeStopNode:
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return 1;
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case PacketTypeEntityAdd:
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case PacketTypeEntityEdit:
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case PacketTypeEntityData:
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return VERSION_ENTITIES_HAVE_SIMULATION_OWNER_AND_ACTIONS_OVER_WIRE;
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case PacketTypeEntityErase:
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return 2;
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case PacketTypeAudioStreamStats:
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return 1;
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case PacketTypeIceServerHeartbeat:
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case PacketTypeIceServerQuery:
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return 1;
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default:
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return 0;
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}
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}
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#define PACKET_TYPE_NAME_LOOKUP(x) case x: return QString(#x);
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QString nameForPacketType(PacketType packetType) {
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switch (packetType) {
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PACKET_TYPE_NAME_LOOKUP(PacketTypeUnknown);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeStunResponse);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeDomainList);
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PACKET_TYPE_NAME_LOOKUP(PacketTypePing);
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PACKET_TYPE_NAME_LOOKUP(PacketTypePingReply);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeKillAvatar);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeAvatarData);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeInjectAudio);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeMixedAudio);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeMicrophoneAudioNoEcho);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeMicrophoneAudioWithEcho);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeBulkAvatarData);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeSilentAudioFrame);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeEnvironmentData);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeDomainListRequest);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeRequestAssignment);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeCreateAssignment);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeDomainConnectionDenied);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeMuteEnvironment);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeAudioStreamStats);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeDataServerConfirm);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeOctreeStats);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeJurisdiction);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeJurisdictionRequest);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeAvatarIdentity);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeAvatarBillboard);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeDomainConnectRequest);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeDomainServerRequireDTLS);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeNodeJsonStats);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeEntityQuery);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeEntityData);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeEntityErase);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeOctreeDataNack);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeStopNode);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeAudioEnvironment);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeEntityEditNack);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeSignedTransactionPayment);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeIceServerHeartbeat);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeDomainServerAddedNode);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeIceServerQuery);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeIceServerPeerInformation);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeUnverifiedPing);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeUnverifiedPingReply);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeEntityAdd);
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PACKET_TYPE_NAME_LOOKUP(PacketTypeEntityEdit);
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default:
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return QString("Type: ") + QString::number((int)packetType);
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}
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return QString("unexpected");
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}
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QByteArray byteArrayWithUUIDPopulatedHeader(PacketType packetType, const QUuid& connectionUUID) {
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QByteArray freshByteArray(MAX_PACKET_HEADER_BYTES, 0);
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freshByteArray.resize(populatePacketHeaderWithUUID(freshByteArray, packetType, connectionUUID));
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return freshByteArray;
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}
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int populatePacketHeaderWithUUID(QByteArray& packet, PacketType packetType, const QUuid& connectionUUID) {
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if (packet.size() < numBytesForPacketHeaderGivenPacketType(packetType)) {
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packet.resize(numBytesForPacketHeaderGivenPacketType(packetType));
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}
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return populatePacketHeaderWithUUID(packet.data(), packetType, connectionUUID);
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}
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int populatePacketHeaderWithUUID(char* packet, PacketType packetType, const QUuid& connectionUUID) {
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int numTypeBytes = packArithmeticallyCodedValue(packetType, packet);
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packet[numTypeBytes] = versionForPacketType(packetType);
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char* position = packet + numTypeBytes + sizeof(PacketVersion);
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QByteArray rfcUUID = connectionUUID.toRfc4122();
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memcpy(position, rfcUUID.constData(), NUM_BYTES_RFC4122_UUID);
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position += NUM_BYTES_RFC4122_UUID;
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if (!NON_VERIFIED_PACKETS.contains(packetType)) {
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// pack 16 bytes of zeros where the md5 hash will be placed once data is packed
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memset(position, 0, NUM_BYTES_MD5_HASH);
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position += NUM_BYTES_MD5_HASH;
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}
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if (SEQUENCE_NUMBERED_PACKETS.contains(packetType)) {
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// Pack zeros for the number of bytes that the sequence number requires.
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// The LimitedNodeList will handle packing in the sequence number when sending out the packet.
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memset(position, 0, sizeof(PacketSequenceNumber));
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position += sizeof(PacketSequenceNumber);
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}
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// return the number of bytes written for pointer pushing
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return position - packet;
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}
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int numBytesForPacketHeader(const QByteArray& packet) {
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PacketType packetType = packetTypeForPacket(packet);
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return numBytesForPacketHeaderGivenPacketType(packetType);
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}
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int numBytesForPacketHeader(const char* packet) {
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PacketType packetType = packetTypeForPacket(packet);
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return numBytesForPacketHeaderGivenPacketType(packetType);
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}
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int numBytesForArithmeticCodedPacketType(PacketType packetType) {
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return (int) ceilf((float) packetType / 255);
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}
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int numBytesForPacketHeaderGivenPacketType(PacketType packetType) {
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return numBytesForArithmeticCodedPacketType(packetType)
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+ numHashBytesForType(packetType)
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+ numSequenceNumberBytesForType(packetType)
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+ NUM_STATIC_HEADER_BYTES;
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}
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int numHashBytesForType(PacketType packetType) {
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return (NON_VERIFIED_PACKETS.contains(packetType) ? 0 : NUM_BYTES_MD5_HASH);
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}
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int numSequenceNumberBytesForType(PacketType packetType) {
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return (SEQUENCE_NUMBERED_PACKETS.contains(packetType) ? sizeof(PacketSequenceNumber) : 0);
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}
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QUuid uuidFromPacketHeader(const QByteArray& packet) {
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return QUuid::fromRfc4122(packet.mid(numBytesArithmeticCodingFromBuffer(packet.data()) + sizeof(PacketVersion),
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NUM_BYTES_RFC4122_UUID));
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}
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int hashOffsetForPacketType(PacketType packetType) {
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return numBytesForArithmeticCodedPacketType(packetType) + NUM_STATIC_HEADER_BYTES;
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}
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int sequenceNumberOffsetForPacketType(PacketType packetType) {
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return numBytesForPacketHeaderGivenPacketType(packetType) - sizeof(PacketSequenceNumber);
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}
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QByteArray hashFromPacketHeader(const QByteArray& packet) {
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return packet.mid(hashOffsetForPacketType(packetTypeForPacket(packet)), NUM_BYTES_MD5_HASH);
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}
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QByteArray hashForPacketAndConnectionUUID(const QByteArray& packet, const QUuid& connectionUUID) {
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return QCryptographicHash::hash(packet.mid(numBytesForPacketHeader(packet)) + connectionUUID.toRfc4122(),
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QCryptographicHash::Md5);
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}
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PacketSequenceNumber sequenceNumberFromHeader(const QByteArray& packet, PacketType packetType) {
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if (packetType == PacketTypeUnknown) {
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packetType = packetTypeForPacket(packet);
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}
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PacketSequenceNumber result = DEFAULT_SEQUENCE_NUMBER;
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if (SEQUENCE_NUMBERED_PACKETS.contains(packetType)) {
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memcpy(&result, packet.data() + sequenceNumberOffsetForPacketType(packetType), sizeof(PacketSequenceNumber));
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}
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return result;
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}
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void replaceHashInPacket(QByteArray& packet, const QUuid& connectionUUID, PacketType packetType) {
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if (packetType == PacketTypeUnknown) {
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packetType = packetTypeForPacket(packet);
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}
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packet.replace(hashOffsetForPacketType(packetType), NUM_BYTES_MD5_HASH,
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hashForPacketAndConnectionUUID(packet, connectionUUID));
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}
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void replaceSequenceNumberInPacket(QByteArray& packet, PacketSequenceNumber sequenceNumber, PacketType packetType) {
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if (packetType == PacketTypeUnknown) {
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packetType = packetTypeForPacket(packet);
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}
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packet.replace(sequenceNumberOffsetForPacketType(packetType),
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sizeof(PacketSequenceNumber), reinterpret_cast<char*>(&sequenceNumber), sizeof(PacketSequenceNumber));
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}
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void replaceHashAndSequenceNumberInPacket(QByteArray& packet, const QUuid& connectionUUID, PacketSequenceNumber sequenceNumber,
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PacketType packetType) {
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if (packetType == PacketTypeUnknown) {
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packetType = packetTypeForPacket(packet);
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}
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replaceHashInPacket(packet, connectionUUID, packetType);
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replaceSequenceNumberInPacket(packet, sequenceNumber, packetType);
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}
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PacketType packetTypeForPacket(const QByteArray& packet) {
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return (PacketType) arithmeticCodingValueFromBuffer(packet.data());
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}
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PacketType packetTypeForPacket(const char* packet) {
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return (PacketType) arithmeticCodingValueFromBuffer(packet);
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}
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