void NodeList::processPingReplyPacket(QSharedPointer<ReceivedMessage> message, SharedNodePointer sendingNode) {
// activate the appropriate socket for this node, if not yet updated
activateSocketFromNodeCommunication(*message, sendingNode);
// set the ping time for this node for stat collection
timePingReply(*message, sendingNode);
}
void NodeList::processNodeData(const HifiSockAddr& senderSockAddr, const QByteArray& packet) {
switch (packetTypeForPacket(packet)) {
case PacketTypeDomainList: {
processDomainServerList(packet);
break;
}
case PacketTypeDomainServerRequireDTLS: {
_domainHandler.parseDTLSRequirementPacket(packet);
break;
}
case PacketTypeIceServerHeartbeatResponse: {
_domainHandler.processICEResponsePacket(packet);
break;
}
case PacketTypePing: {
// send back a reply
SharedNodePointer matchingNode = sendingNodeForPacket(packet);
if (matchingNode) {
matchingNode->setLastHeardMicrostamp(usecTimestampNow());
QByteArray replyPacket = constructPingReplyPacket(packet);
writeDatagram(replyPacket, matchingNode, senderSockAddr);
// If we don't have a symmetric socket for this node and this socket doesn't match
// what we have for public and local then set it as the symmetric.
// This allows a server on a reachable port to communicate with nodes on symmetric NATs
if (matchingNode->getSymmetricSocket().isNull()) {
if (senderSockAddr != matchingNode->getLocalSocket() && senderSockAddr != matchingNode->getPublicSocket()) {
matchingNode->setSymmetricSocket(senderSockAddr);
}
}
}
break;
}
case PacketTypePingReply: {
SharedNodePointer sendingNode = sendingNodeForPacket(packet);
if (sendingNode) {
sendingNode->setLastHeardMicrostamp(usecTimestampNow());
// activate the appropriate socket for this node, if not yet updated
activateSocketFromNodeCommunication(packet, sendingNode);
// set the ping time for this node for stat collection
timePingReply(packet, sendingNode);
}
break;
}
case PacketTypeUnverifiedPing: {
// send back a reply
QByteArray replyPacket = constructPingReplyPacket(packet, _domainHandler.getICEClientID());
writeUnverifiedDatagram(replyPacket, senderSockAddr);
break;
}
case PacketTypeUnverifiedPingReply: {
qDebug() << "Received reply from domain-server on" << senderSockAddr;
// for now we're unsafely assuming this came back from the domain
if (senderSockAddr == _domainHandler.getICEPeer().getLocalSocket()) {
qDebug() << "Connecting to domain using local socket";
_domainHandler.activateICELocalSocket();
} else if (senderSockAddr == _domainHandler.getICEPeer().getPublicSocket()) {
qDebug() << "Conecting to domain using public socket";
_domainHandler.activateICEPublicSocket();
} else {
qDebug() << "Reply does not match either local or public socket for domain. Will not connect.";
}
}
case PacketTypeStunResponse: {
// a STUN packet begins with 00, we've checked the second zero with packetVersionMatch
// pass it along so it can be processed into our public address and port
processSTUNResponse(packet);
break;
}
default:
LimitedNodeList::processNodeData(senderSockAddr, packet);
break;
}
}
