Example: Network Monitoring
public static int main (string[] args) {
NetworkMonitor monitor = NetworkMonitor.get_default ();
//
// Check whether the network is considered available:
// (network availability != internet)
//
bool available = monitor.get_network_available ();
print ("Network available: %s\n", available.to_string ());
//
// Determine whether valadoc.org can be reached: (sync):
//
NetworkAddress address = new NetworkAddress ("www.valadoc.org", 80);
if (available == true) {
try {
bool can_reach = monitor.can_reach (address);
print ("can-reach: %s\n", can_reach.to_string ());
} catch (Error e) {
print ("Error: %s\n", e.message);
}
}
//
// Recheck availability when the network configuration changes:
//
monitor.network_changed.connect ((available) => {
print ("Network changed (available: %s)\n", available.to_string ());
// Determine whether valadoc.org can be reached: (async):
if (available == true) {
monitor.can_reach_async.begin (address, null, (obj, res) => {
try {
bool can_reach = monitor.can_reach_async.end (res);
print ("can-reach: %s\n", can_reach.to_string ());
} catch (Error e) {
print ("Error: %s\n", e.message);
}
});
}
});
new MainLoop ().run ();
return 0;
}
valac --pkg gio-2.0 GLib.NetworkMonitor.vala
See:
