public static void UriChangedPriority([NotNull] EventHandler <UriChangedEventArgs> callback, Priority priority)
{
if (callback == null)
{
throw new ArgumentNullException("callback");
}
UriChangedEvent.Add(callback, priority);
}
// Called when the heartbeat server responds.
static void ResponseCallback(IAsyncResult result)
{
if (Server.IsShuttingDown)
{
return;
}
HeartbeatRequestState state = (HeartbeatRequestState)result.AsyncState;
try {
string responseText;
using (HttpWebResponse response = (HttpWebResponse)state.Request.EndGetResponse(result)) {
using (StreamReader responseReader = new StreamReader(response.GetResponseStream())) {
responseText = responseReader.ReadToEnd();
}
RaiseHeartbeatSentEvent(state.Data, response, responseText);
}
// try parse response as server Uri, if needed
if (state.GetServerUri)
{
string replyString = responseText.Trim();
if (replyString.StartsWith("bad heartbeat", StringComparison.OrdinalIgnoreCase))
{
Logger.Log(LogType.Error, "Heartbeat: {0}", replyString);
}
else
{
try {
Uri newUri = new Uri(replyString);
Uri oldUri = Server.Uri;
if (newUri != oldUri)
{
Server.Uri = newUri;
UriChangedEvent.Raise(new UriChangedEventArgs(oldUri, newUri));
}
} catch (UriFormatException) {
Logger.Log(LogType.Error,
"Heartbeat: Server replied with: {0}",
replyString);
}
}
}
} catch (Exception ex) {
if (ex is WebException || ex is IOException)
{
Logger.Log(LogType.Warning,
"Heartbeat: {0} is probably down ({1})",
state.Request.RequestUri.Host,
ex.Message);
}
else
{
Logger.Log(LogType.Error, "Heartbeat: {0}", ex);
}
}
}
private void wv_LoadCompleted(
object sender,
NavigationEventArgs e)
{
if (UriChangedEvent != null)
{
UriChangedEvent.Invoke(
this, new AdnWebAuthViewEventArgs()
{
Uri = e.Uri
});
}
}
