void SslTlsSocket::handleStateChanged() { /* Qt delivers the stateChanged() signal before the error() one. That's a problem because we really want to provide a nice error message to the user and QAbstractSocket::error() is not set yet by the time this function executes. That's why we have to delay the first disconnected() signal. */ QAbstractSocket *sock = qobject_cast<QAbstractSocket *>(d); Q_ASSERT(sock); QString proxyMsg; switch (sock->proxy().type()) { case QNetworkProxy::NoProxy: break; case QNetworkProxy::HttpCachingProxy: Q_ASSERT_X(false, "proxy detection", "Qt should have returned a proxy capable of tunneling, but we got back an HTTP proxy."); break; case QNetworkProxy::FtpCachingProxy: Q_ASSERT_X(false, "proxy detection", "Qt should have returned a proxy capable of tunneling, but we got back an FTP proxy."); break; case QNetworkProxy::DefaultProxy: proxyMsg = tr(" (via proxy %1)").arg(sock->proxy().hostName()); break; case QNetworkProxy::Socks5Proxy: proxyMsg = tr(" (via SOCKS5 proxy %1)").arg(sock->proxy().hostName()); break; case QNetworkProxy::HttpProxy: proxyMsg = tr(" (via HTTP proxy %1)").arg(sock->proxy().hostName()); break; } switch (sock->state()) { case QAbstractSocket::HostLookupState: emit stateChanged(Imap::CONN_STATE_HOST_LOOKUP, tr("Looking up %1%2...").arg(host, sock->proxy().capabilities().testFlag(QNetworkProxy::HostNameLookupCapability) ? proxyMsg : QString())); break; case QAbstractSocket::ConnectingState: emit stateChanged(Imap::CONN_STATE_CONNECTING, tr("Connecting to %1:%2%3%4...").arg( host, QString::number(port), startEncrypted ? tr(" (SSL)") : QString(), sock->proxy().capabilities().testFlag(QNetworkProxy::TunnelingCapability) ? proxyMsg : QString())); break; case QAbstractSocket::BoundState: case QAbstractSocket::ListeningState: break; case QAbstractSocket::ConnectedState: if (! startEncrypted) { emit stateChanged(Imap::CONN_STATE_CONNECTED_PRETLS_PRECAPS, tr("Connected")); } else { emit stateChanged(Imap::CONN_STATE_SSL_HANDSHAKE, tr("Negotiating encryption...")); } break; case QAbstractSocket::UnconnectedState: case QAbstractSocket::ClosingState: disconnectedMessage = tr("Socket is disconnected: %1").arg(sock->errorString()); delayedDisconnect->start(); break; } }
void SslTlsSocket::handleSocketError(QAbstractSocket::SocketError err) { Q_UNUSED(err); QAbstractSocket *sock = qobject_cast<QAbstractSocket *>(d); Q_ASSERT(sock); delayedDisconnect->stop(); emit disconnected(tr("The underlying socket is having troubles when processing connection to %1:%2: %3").arg( host, QString::number(port), sock->errorString())); }
void Graph::onSocketError(QAbstractSocket::SocketError) { QAbstractSocket *socket = (QAbstractSocket *)sender(); qDebug() << " socket error: " << socket->errorString(); socket->deleteLater(); }