public Present Evaluate(Present[] paramList)
{
Present result;
try
{
TileAddress ta = (TileAddress)paramList[0];
if (BuildConfig.theConfig.injectTemporaryTileFailures && new Random().Next() % 2 == 0)
{
result = new InjectedTileFailure();
}
else
{
HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(GetTileURL(ta));
httpWebRequest.Timeout = 9000;
HttpWebResponse httpWebResponse;
try
{
httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
}
catch (WebException ex)
{
if (ex.Response is HttpWebResponse)
{
HttpWebResponse httpWebResponse2 = (HttpWebResponse)ex.Response;
if (httpWebResponse2.StatusCode == HttpStatusCode.BadRequest ||
httpWebResponse2.StatusCode == HttpStatusCode.NotFound)
{
result = new UnretryableFailure(ex);
return(result);
}
}
result = new RetryableFailure(ex, "Timeout waiting for tile in WebTileFetch");
return(result);
}
if (httpWebResponse.StatusCode != HttpStatusCode.OK)
{
throw new Exception(string.Format("HTTP {0} from web source",
httpWebResponse.StatusCode.ToString()));
}
Stream responseStream = httpWebResponse.GetResponseStream();
GDIBigLockedImage image = GDIBigLockedImage.FromStream(responseStream);
httpWebResponse.Close();
result = new ImageRef(new ImageRefCounted(image));
}
}
catch (Exception ex2)
{
result = new PresentFailureCode(ex2);
}
return(result);
}
public Present Evaluate(Present[] paramList)
{
Present result;
try
{
TileAddress ta = (TileAddress)paramList[0];
if (BuildConfig.theConfig.injectTemporaryTileFailures && new Random().Next() % 2 == 0)
{
result = new InjectedTileFailure();
}
else
{
HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(this.GetTileURL(ta));
httpWebRequest.Timeout = 9000;
HttpWebResponse httpWebResponse;
try
{
httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
}
catch (WebException ex)
{
if (ex.Response is HttpWebResponse)
{
HttpWebResponse httpWebResponse2 = (HttpWebResponse)ex.Response;
if (httpWebResponse2.StatusCode == HttpStatusCode.BadRequest || httpWebResponse2.StatusCode == HttpStatusCode.NotFound)
{
result = new UnretryableFailure(ex);
return result;
}
}
result = new RetryableFailure(ex, "Timeout waiting for tile in WebTileFetch");
return result;
}
if (httpWebResponse.StatusCode != HttpStatusCode.OK)
{
throw new Exception(string.Format("HTTP {0} from web source", httpWebResponse.StatusCode.ToString()));
}
Stream responseStream = httpWebResponse.GetResponseStream();
GDIBigLockedImage image = GDIBigLockedImage.FromStream(responseStream);
httpWebResponse.Close();
result = new ImageRef(new ImageRefCounted(image));
}
}
catch (Exception ex2)
{
result = new PresentFailureCode(ex2);
}
return result;
}