diff options
author | Alex Trotsenko <alex1973tr@gmail.com> | 2017-09-12 19:51:45 +0300 |
---|---|---|
committer | Alex Trotsenko <alex1973tr@gmail.com> | 2017-09-22 16:11:36 +0000 |
commit | 41ffe37a5fb0120c90737aaecba315cdbc03fc39 (patch) | |
tree | f8e701a2882c2aada2c455c8a0f19e588a895173 /src | |
parent | 2734a6f24f9d35a61340e3245b20dc02a8ec1f39 (diff) |
QAbstractSocket: optimize skipping
Avoid an unnecessary call to the slow base implementation on
buffered TCP socket.
Change-Id: Icc823b416b267aa8e0c1106b20872df9ef0e22d7
Reviewed-by: MÃ¥rten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Diffstat (limited to 'src')
-rw-r--r-- | src/network/socket/qabstractsocket.cpp | 15 | ||||
-rw-r--r-- | src/network/socket/qabstractsocket_p.h | 3 |
2 files changed, 18 insertions, 0 deletions
diff --git a/src/network/socket/qabstractsocket.cpp b/src/network/socket/qabstractsocket.cpp index 9cb6c4be57..34c750eb23 100644 --- a/src/network/socket/qabstractsocket.cpp +++ b/src/network/socket/qabstractsocket.cpp @@ -1371,6 +1371,21 @@ void QAbstractSocketPrivate::fetchConnectionParameters() #endif } +/*! \internal +*/ +qint64 QAbstractSocketPrivate::skip(qint64 maxSize) +{ + // if we're not connected, return -1 indicating EOF + if (!socketEngine || !socketEngine->isValid() || state != QAbstractSocket::ConnectedState) + return -1; + + // Caller, QIODevice::skip(), has ensured buffer is empty. So, wait + // for more data in buffered mode. + if (isBuffered) + return 0; + + return QIODevicePrivate::skip(maxSize); +} void QAbstractSocketPrivate::pauseSocketNotifiers(QAbstractSocket *socket) { diff --git a/src/network/socket/qabstractsocket_p.h b/src/network/socket/qabstractsocket_p.h index 8a96cb9d48..62b7aceae8 100644 --- a/src/network/socket/qabstractsocket_p.h +++ b/src/network/socket/qabstractsocket_p.h @@ -71,6 +71,9 @@ public: QAbstractSocketPrivate(); virtual ~QAbstractSocketPrivate(); + // from QIODevicePrivate + qint64 skip(qint64 maxSize) override; + // from QAbstractSocketEngineReceiver inline void readNotification() override { canReadNotification(); } inline void writeNotification() override { canWriteNotification(); } |