/// <summary>
/// Gets the available routes.
/// </summary>
/// <returns></returns>
private IEnumerable <Route> GetRoutes()
{
var testTargetUri = TestTargetUri;
// if remote is optional, whenever we have a remote proxy configured or not,
// the short route (local only) is returned
if (OptionalRemoteProxy)
{
var shortRoute = ProxyClient.CreateRoute(LocalProxy);
if (testTargetUri != null)
{
ProxyValidator.Validate(shortRoute, testTargetUri);
}
yield return(shortRoute);
}
// then, if there is a remote proxy or it is not optional
// (in which case we skipped the first step above)
// the full route is returned
if (!OptionalRemoteProxy || RemoteProxy != null)
{
var fullRoute = ProxyClient.CreateRoute(LocalProxy, RemoteProxy);
if (testTargetUri != null)
{
ProxyValidator.Validate(fullRoute, testTargetUri);
}
yield return(fullRoute);
}
}
private void CheckProxyServers()
{
try
{
Loading = true;
ProxyServers.Clear();
var testTargetUri = TestTargetUri;
if (testTargetUri != null)
{
var route = ProxyClient.CreateRoute(LocalProxy);
foreach (var hostEndPoint in ProxyPageScanner.ScanPage(ProxyPage.PageUri, ProxyPage.ParseAsText, ProxyPage.HostPortEx, route, testTargetUri))
{
var ipEndPoint = hostEndPoint.IPEndPoint;
if (ipEndPoint == null)
{
continue;
}
var location = Geolocation.Locate(ipEndPoint.Address, route);
var p = ProxyAnalyzer.MeasurePerformance(route, testTargetUri);
if (p == null)
{
continue;
}
var proxy = new Proxy(hostEndPoint, location, (int)p.Ping.TotalMilliseconds, (int)(p.DownloadSpeed / 1024));
ProxyServers.Add(proxy);
}
}
}
finally
{
Loading = false;
}
}
private void FirstLoad()
{
var diagnostic = SystemProxyAnalyzer.Diagnose();
// if there is a local proxy, use it
LocalProxy = diagnostic.DefaultProxy;
// find a remote proxy
if (!diagnostic.SensitiveHttpConnectRoute.HasFlag(RouteStatus.ProxyAcceptsAddress))
{
var firstProxy = ProxyPageScanner.ScanPage(ProxyPage.Default.First(), ProxyClient.CreateRoute(LocalProxy), TestTargetUri).FirstOrDefault();
if (firstProxy != null)
{
RemoteProxy = new Uri(string.Format("http://{0}:{1}", firstProxy.Host, firstProxy.Port));
}
}
else
{
RemoteProxy = null;
}
}
