diff options
Diffstat (limited to 'src/network/doc/snippets/code/src_network_kernel_qdnslookup.cpp')
-rw-r--r-- | src/network/doc/snippets/code/src_network_kernel_qdnslookup.cpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/network/doc/snippets/code/src_network_kernel_qdnslookup.cpp b/src/network/doc/snippets/code/src_network_kernel_qdnslookup.cpp new file mode 100644 index 0000000000..f2e530ff96 --- /dev/null +++ b/src/network/doc/snippets/code/src_network_kernel_qdnslookup.cpp @@ -0,0 +1,73 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Jeremy Lainé <jeremy.laine@m4x.org> +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//! [0] +void MyObject::lookupServers() +{ + // Create a DNS lookup. + dns = new QDnsLookup(this); + connect(dns, SIGNAL(finished()), + this, SLOT(handleServers())); + + // Find the XMPP servers for gmail.com + dns->setType(QDnsLookup::SRV); + dns->setName("_xmpp-client._tcp.gmail.com"); + dns->lookup(); +} +//! [0] + + +//! [1] +void MyObject::handleServers() +{ + // Check the lookup succeeded. + if (dns->error() != QDnsLookup::NoError) { + qWarning("DNS lookup failed"); + dns->deleteLater(); + return; + } + + // Handle the results. + foreach (const QDnsServiceRecord &record, dns->serviceRecords()) { + ... + } + dns->deleteLater(); +} +//! [1] |