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-rw-r--r--doc/src/snippets/code/src_network_kernel_qhostinfo.cpp50
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]