Пример #1
0
void AgentList::processAgentData(sockaddr *senderAddress, unsigned char *packetData, size_t dataBytes) {
    switch (((char *)packetData)[0]) {
        case PACKET_HEADER_DOMAIN: {
            processDomainServerList(packetData, dataBytes);
            break;
        }
        case PACKET_HEADER_PING: {
            char pingPacket[dataBytes];
            memcpy(pingPacket, packetData, dataBytes);
            pingPacket[0] = PACKET_HEADER_PING_REPLY;
            _agentSocket.send(senderAddress, pingPacket, dataBytes);
            break;
        }
        case PACKET_HEADER_PING_REPLY: {
            timePingReply(senderAddress, packetData);
            break;
        }
    }
}
Пример #2
0
void NodeList::processNodeData(sockaddr* senderAddress, unsigned char* packetData, size_t dataBytes) {
    switch (packetData[0]) {
        case PACKET_TYPE_DOMAIN: {
            // only process the DS if this is our current domain server
            if (_domainIP == QHostAddress(senderAddress)) {
                processDomainServerList(packetData, dataBytes);
            }
            
            break;
        }
        case PACKET_TYPE_PING: {
            char pingPacket[dataBytes];
            memcpy(pingPacket, packetData, dataBytes);
            populateTypeAndVersion((unsigned char*) pingPacket, PACKET_TYPE_PING_REPLY);
            _nodeSocket.send(senderAddress, pingPacket, dataBytes);
            break;
        }
        case PACKET_TYPE_PING_REPLY: {
            timePingReply(senderAddress, packetData);
            break;
        }
    }
}
Пример #3
0
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;
    }
}