diff options
Diffstat (limited to 'doc/src/snippets/code/src_network_kernel_qhostinfo.cpp')
-rw-r--r-- | doc/src/snippets/code/src_network_kernel_qhostinfo.cpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/doc/src/snippets/code/src_network_kernel_qhostinfo.cpp b/doc/src/snippets/code/src_network_kernel_qhostinfo.cpp new file mode 100644 index 0000000..e748f90 --- /dev/null +++ b/doc/src/snippets/code/src_network_kernel_qhostinfo.cpp @@ -0,0 +1,50 @@ +//! [0] +// To find the IP address of qtsoftware.com +QHostInfo::lookupHost("qtsoftware.com", + this, SLOT(printResults(QHostInfo))); + +// To find the host name for 4.2.2.1 +QHostInfo::lookupHost("4.2.2.1", + this, SLOT(printResults(QHostInfo))); +//! [0] + + +//! [1] +QHostInfo info = QHostInfo::fromName("qtsoftware.com"); +//! [1] + + +//! [2] +QHostInfo::lookupHost("www.kde.org", + this, SLOT(lookedUp(QHostInfo))); +//! [2] + + +//! [3] +void MyWidget::lookedUp(const QHostInfo &host) +{ + if (host.error() != QHostInfo::NoError) { + qDebug() << "Lookup failed:" << host.errorString(); + return; + } + + foreach (QHostAddress address, host.addresses()) + qDebug() << "Found address:" << address.toString(); +} +//! [3] + + +//! [4] +QHostInfo::lookupHost("4.2.2.1", + this, SLOT(lookedUp(QHostInfo))); +//! [4] + + +//! [5] +QHostInfo info; +... +if (!info.addresses().isEmpty()) { + QHostAddress address = info.addresses().first(); + // use the first IP address +} +//! [5] |