Method onConnectionManagerConnected

src/client/engine/engine/engine.cpp:1389–1548

}

void Engine::onConnectionManagerConnected()
{
    QString adapterName = connectionManager_->getVpnAdapterInfo().adapterName();

#ifdef Q_OS_WIN
    // wireguard-nt and AmneziaWG services monitor adapter metrics.
    if (!connectionManager_->currentProtocol().isWireGuardProtocol()) {
        AdapterMetricsController_win::updateMetrics(adapterName, helper_);
    }
#elif defined (Q_OS_MACOS) || defined (Q_OS_LINUX)
    firewallController_->setVpnInterface_posix(adapterName);
#endif

    bool isFirewallAlreadyEnabled = false;
    if (engineSettings_.firewallSettings().mode == FIREWALL_MODE_AUTOMATIC) {
        const bool isAllowFirewallAfterConnection =
            connectionManager_->isAllowFirewallAfterConnection();

        if (isAllowFirewallAfterConnection &&
            engineSettings_.firewallSettings().when == FIREWALL_WHEN_AFTER_CONNECTION)
        {
            if (!firewallController_->firewallActualState())
            {
                qCDebug(LOG_BASIC) << "Automatic enable firewall after connection";
                firewallController_->firewallOn(
                    connectionManager_->getLastConnectedIp(),
                    firewallExceptions_.getIPAddressesForFirewallForConnectedState(),
                    engineSettings_.isAllowLanTraffic(),
                    locationId_.isCustomConfigsLocation(),
                    true);
                emit firewallStateChanged(true);
                isFirewallAlreadyEnabled = true;
            }
        }
        else if (!isAllowFirewallAfterConnection &&
            engineSettings_.firewallSettings().when == FIREWALL_WHEN_BEFORE_CONNECTION)
        {
            if (firewallController_->firewallActualState())
            {
                qCDebug(LOG_BASIC) << "Automatic disable firewall after connection";
                firewallController_->firewallOff();
                emit firewallStateChanged(false);
            }
        }
    }

    // For Windows we should to set the custom dns for the adapter explicitly except WireGuard protocol
#ifdef Q_OS_WIN
    if ((connectionManager_->connectedDnsInfo().type == CONNECTED_DNS_TYPE_CUSTOM || connectionManager_->connectedDnsInfo().type == CONNECTED_DNS_TYPE_CONTROLD)
        && connectionManager_->currentProtocol() != types::Protocol::WIREGUARD)
    {
        WS_ASSERT(connectionManager_->getVpnAdapterInfo().dnsServers().count() == 1);
        if (!helper_->setCustomDnsWhileConnected( connectionManager_->getVpnAdapterInfo().ifIndex(),
                                                    QString::fromStdString(connectionManager_->getVpnAdapterInfo().dnsServers().first().toString())))
        {
            qCCritical(LOG_CONNECTED_DNS) << "Failed to set Custom 'while connected' DNS";
        }
    }