private void DownloadComplete(WebDownload downloadInfo)
		{
            Log.Write(Log.Levels.Debug+1, "GSDR", "Download completed for " + downloadInfo.Url);
            try
			{
				downloadInfo.Verify();

				m_quadTile.QuadTileSet.NumberRetries = 0;

				// Rename temp file to real name
				File.Delete(m_localFilePath);
				File.Move(downloadInfo.SavedFilePath, m_localFilePath);

				// Make the quad tile reload the new image
				m_quadTile.DownloadRequest = null;
				m_quadTile.Initialize();
			}
			catch(System.Net.WebException caught)
			{
				System.Net.HttpWebResponse response = caught.Response as System.Net.HttpWebResponse;
				if(response!=null && response.StatusCode==System.Net.HttpStatusCode.NotFound)
				{
					using(File.Create(m_localFilePath + ".txt"))
					{}
					return;
				}
				m_quadTile.QuadTileSet.NumberRetries++;
			}
			catch
			{
				using(File.Create(m_localFilePath + ".txt"))
				{}
                if (File.Exists(downloadInfo.SavedFilePath))
                {
                    try
                    {
                        File.Delete(downloadInfo.SavedFilePath);
                    }
                    catch (Exception e)
                    {
                        Log.Write(Log.Levels.Error, "GSDR", "could not delete file " + downloadInfo.SavedFilePath + ":");
                        Log.Write(e);
                    }
                }
			}
			finally
			{
                if(download != null)
    				download.IsComplete = true;
				m_quadTile.QuadTileSet.RemoveFromDownloadQueue(this);

                // potential deadlock! -step
                // Immediately queue next download
                m_quadTile.QuadTileSet.ServiceDownloadQueue();
			}
		}
Example #2
0
        protected override void DownloadComplete(WebDownload downloadInfo)
        {
            try
             {
            downloadInfo.Verify();

            if (downloadInfo.Exception != null)
            {
               Log.Write(downloadInfo.Exception);
               return;
            }

            XmlDocument hResponseDocument = new XmlDocument();
            XmlReaderSettings oSettings = new XmlReaderSettings();
            oSettings.IgnoreWhitespace = true;
            XmlReader oResponseXmlStream = XmlReader.Create(downloadInfo.ContentStream, oSettings);
            hResponseDocument.Load(oResponseXmlStream);
            downloadInfo.ContentStream.Close();

            // Get the URL, save the image
            XmlElement nOutputElement = hResponseDocument.SelectSingleNode("/ARCXML/RESPONSE/IMAGE/OUTPUT") as XmlElement;
            if (nOutputElement != null)
            {
               String imageURL = nOutputElement.GetAttribute("url");
               Log.Write(Log.Levels.Debug, "ADGR", "Downloading file " + imageURL);
               // ---------------------------
               downloadImage(imageURL, downloadInfo.SavedFilePath);
            }
            else
            {
               XmlElement nErrorElement = hResponseDocument.SelectSingleNode("/ARCXML/RESPONSE/ERROR") as XmlElement;
                    if (nErrorElement != null)
                        Log.Write(Log.Levels.Debug, "ADGR", nErrorElement.InnerText);
            }

            m_tile.TileSet.NumberRetries = 0;
            if (nOutputElement != null)
            {
               // Rename temp file to real name
               File.Delete(m_localFilePath);

               // Convert the image to a PNG from a GIF so DirectX doesn't throw a hissy fit trying to load gifs
               if (downloadInfo.SavedFilePath.EndsWith(".gif"))
               {
                  Image oConverter = Image.FromFile(downloadInfo.SavedFilePath);
                  oConverter.Save(m_localFilePath, System.Drawing.Imaging.ImageFormat.Png);
                  oConverter.Dispose();
                  File.Delete(downloadInfo.SavedFilePath);
               }
               else
               {
                  File.Move(downloadInfo.SavedFilePath, m_localFilePath);
               }

               // Make the tile reload the new image
               m_tile.DownloadRequests.Remove(this);
               m_tile.Initialize();
            }
            else
            {
               using (File.Create(m_localFilePath + ".txt"))
               { }
               if (File.Exists(downloadInfo.SavedFilePath))
               {
                  try
                  {
                     File.Delete(downloadInfo.SavedFilePath);
                  }
                  catch (Exception e)
                  {
                     Log.Write(e);
                  }
               }
            }
             }
             catch (System.Net.WebException caught)
             {
            System.Net.HttpWebResponse response = caught.Response as System.Net.HttpWebResponse;
            if (response != null && response.StatusCode == System.Net.HttpStatusCode.NotFound)
            {
               using (File.Create(m_localFilePath + ".txt"))
               { }
               return;
            }
            m_tile.TileSet.NumberRetries++;
             }
             catch
             {
            using (File.Create(m_localFilePath + ".txt"))
            { }
            if (File.Exists(downloadInfo.SavedFilePath))
            {
               try
               {
                  File.Delete(downloadInfo.SavedFilePath);
               }
               catch (Exception e)
               {
                  Log.Write(e);
               }
            }
             }
             finally
             {
            if (download != null)
               download.IsComplete = true;

            // Immediately queue next download
            m_tile.TileSet.RemoveFromDownloadQueue(this, true);
             }
        }
        private void DownloadComplete(WebDownload downloadInfo)
        {
            try {
                downloadInfo.Verify();

                m_quadTile.QuadTileSet.NumberRetries = 0;

                // Rename temp file to real name
                File.Delete(m_localFilePath);
                File.Move(downloadInfo.SavedFilePath, m_localFilePath);

                // Make the quad tile reload the new image
                m_quadTile.DownloadRequest = null;
                m_quadTile.Initialize();
            }
            catch (WebException caught) {
                HttpWebResponse response = caught.Response as HttpWebResponse;
                if (response != null
                    && response.StatusCode == HttpStatusCode.NotFound) {
                    using (File.Create(m_localFilePath + ".txt")) {}
                    return;
                }
                m_quadTile.QuadTileSet.NumberRetries++;
            }
            catch {
                using (File.Create(m_localFilePath + ".txt")) {}
                if (File.Exists(downloadInfo.SavedFilePath)) {
                    File.Delete(downloadInfo.SavedFilePath);
                }
            }
            finally {
                #region by zzm
                if (download != null) {
                    download.IsComplete = true;
                }
                #endregion

                m_quadTile.QuadTileSet.RemoveFromDownloadQueue(this);

                //Immediately queue next download
                m_quadTile.QuadTileSet.ServiceDownloadQueue();
            }
        }
Example #4
0
        private void UpdateDownloadComplete(WebDownload downloadInfo)
        {
            // First compare the file to the one we have
            bool bUpdate = false;
            string strVersion;
            string strTemp = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
            try
            {
                string[] tokens;
                int iHaveVer1, iHaveVer2, iHaveVer3;
                int iCurVer1, iCurVer2, iCurVer3;
                downloadInfo.Verify();
                downloadInfo.SaveMemoryDownloadToFile(strTemp);

                using (StreamReader sr = new StreamReader(Path.Combine(DirectoryPath, VersionFile)))
                {
                    strVersion = sr.ReadLine();
                    tokens = strVersion.Split('.');
                    iHaveVer1 = Convert.ToInt32(tokens[0], CultureInfo.InvariantCulture);
                    iHaveVer2 = Convert.ToInt32(tokens[1], CultureInfo.InvariantCulture);
                    iHaveVer3 = Convert.ToInt32(tokens[2], CultureInfo.InvariantCulture);
                }

                using (StreamReader sr = new StreamReader(strTemp))
                {
                    strVersion = sr.ReadLine();
                    tokens = strVersion.Split('.');
                    iCurVer1 = Convert.ToInt32(tokens[0], CultureInfo.InvariantCulture);
                    iCurVer2 = Convert.ToInt32(tokens[1], CultureInfo.InvariantCulture);
                    iCurVer3 = Convert.ToInt32(tokens[2], CultureInfo.InvariantCulture);
                }

                if (iCurVer1 > iHaveVer1 || (iCurVer1 == iHaveVer1 && iCurVer2 > iHaveVer2) ||
                    (iCurVer1 == iHaveVer1 && iCurVer2 == iHaveVer2 && iCurVer3 > iHaveVer3))
                {
                    this.BeginInvoke(new NotifyUpdateDelegate(NotifyUpdate), new object[] { strVersion });
                    bUpdate = true;
                }

                File.Delete(strTemp);
            }
            catch (System.Net.WebException)
            {
            }
            catch
            {
            }
            finally
            {
                if (!bUpdate && m_bUpdateFromMenu)
                    this.BeginInvoke(new MethodInvoker(NotifyUpdateNotAvailable));
            }
        }
Example #5
0
        private void DownloadComplete(WebDownload downloadInfo)
        {
            try
            {
                downloadInfo.Verify();

                // Rename temp file to real name
                File.Delete(textureName);
                File.Move(downloadInfo.SavedFilePath, textureName);

                if (!IsBadTile())
                {
                    // Make the quad tile reload the new image
                    //m_quadTile.DownloadRequest = null;
                    //m_quadTile.isInitialized = false;
                    this.texture = TextureLoader.FromFile(drawArgs.device, textureName);
                }
            }
            catch (System.Net.WebException caught)
            {
                System.Net.HttpWebResponse response = caught.Response as System.Net.HttpWebResponse;
                if (response != null && response.StatusCode == System.Net.HttpStatusCode.NotFound)
                {
                    using (File.Create(textureName + ".txt"))
                    { }
                    return;
                }
                //m_quadTile.QuadTileArgs.NumberRetries++;
            }
            catch
            {
                using (File.Create(textureName + ".txt"))
                { }
                if (File.Exists(downloadInfo.SavedFilePath))
                    File.Delete(downloadInfo.SavedFilePath);
            }
            finally
            {
                if (download != null)
                    download.IsComplete = true;
                m_blDownloading = false;
            }
        }
Example #6
0
        protected override void DownloadComplete(WebDownload downloadInfo)
        {
            try
            {
                downloadInfo.Verify();

                // --- Load Response into XML Document and convert to real image ---

                System.Xml.XmlDocument hResponseDocument = new System.Xml.XmlDocument();
                System.Xml.XmlReaderSettings oSettings = new System.Xml.XmlReaderSettings();
                oSettings.IgnoreWhitespace = true;
                System.Xml.XmlReader oResponseXmlStream = System.Xml.XmlReader.Create(downloadInfo.ContentStream, oSettings);
                hResponseDocument.Load(oResponseXmlStream);
                SaveDAPImage(hResponseDocument, downloadInfo.SavedFilePath);

                // --- search for an error ---

                System.Xml.XmlNodeList hNodeList = hResponseDocument.SelectNodes("//" + Geosoft.Dap.Xml.Common.Constant.Tag.ERROR_TAG);
                if (hNodeList.Count >= 1)
                {
                    System.Xml.XmlNode hNode = hNodeList[0];

                    throw new Geosoft.Dap.DapException(hNode.InnerText);
                }

                m_tile.TileSet.NumberRetries = 0;

                // Rename temp file to real name
                File.Delete(m_localFilePath);
                File.Move(downloadInfo.SavedFilePath, m_localFilePath);

                // Make the tile reload the new image
                m_tile.DownloadRequests.Remove(this);
                m_tile.Initialize();
            }
            catch (System.Net.WebException caught)
            {
                System.Net.HttpWebResponse response = caught.Response as System.Net.HttpWebResponse;
                if (response != null && response.StatusCode == System.Net.HttpStatusCode.NotFound)
                {
                    using (File.Create(m_localFilePath + ".txt"))
                    { }
                    return;
                }
            Log.Write(Log.Levels.Error, "DGDR", "web exception occurred");
                Log.Write(Log.Levels.Error, "DGDR", "Dataset Name: " + (m_DapImageStore.DataSet == null ? "Browser Map" : m_DapImageStore.DataSet.Name));
            Log.Write(Log.Levels.Error, "DGDR", "West: " + Tile.West + " South: " + Tile.South + " East: " + Tile.East + " North: " + Tile.North);
                m_tile.TileSet.NumberRetries++;
            }
            catch
            {
                using (File.Create(m_localFilePath + ".txt"))
                { }
                if (File.Exists(downloadInfo.SavedFilePath))
                {
                    try
                    {
                        File.Delete(downloadInfo.SavedFilePath);
                    }
                    catch (Exception e)
                    {
                        Log.Write(Log.Levels.Error, "GSDR", "could not delete file " + downloadInfo.SavedFilePath + ":");
                        Log.Write(e);
                    }
                }
            }
            finally
            {
                if (download != null)
                    download.IsComplete = true;

                // Immediately queue next download
                m_tile.TileSet.RemoveFromDownloadQueue(this, true);
            }
        }
Example #7
0
		private void Downloader()
		{
			WMSDownload wmsDownload = null;
			while(true)
			{
				try
				{
					lock(this.downloadQueue)
					{
						if(this.downloadQueue.Count <= 0)
							// Queue empty
							return;
						wmsDownload = (WMSDownload)this.downloadQueue.Dequeue();
					}

					if(this.checkBoxAnimationCache.Checked && 
						File.Exists(wmsDownload.SavedFilePath + ".wwi") &&
						File.Exists(wmsDownload.SavedFilePath + ".dds"))
					{
						try
						{
							ImageLayerInfo imageLayerInfo = ImageLayerInfo.FromFile(wmsDownload.SavedFilePath + ".wwi");
							const float epsilon = Single.Epsilon*100;
							if(Math.Abs(imageLayerInfo.North - (float)wmsDownload.North)<epsilon && 
								Math.Abs(imageLayerInfo.South - (float)wmsDownload.South)<epsilon &&
								Math.Abs(imageLayerInfo.West - (float)wmsDownload.West)<epsilon &&
								Math.Abs(imageLayerInfo.East - (float)wmsDownload.East)<epsilon)
							{
								lock(this.animationFrames.SyncRoot)
								{
									animationFrames.Add(imageLayerInfo);
									// Process next queue item
									continue;
								}
							}
						}
							// Cached file not readable for some reason - reload
						catch(IOException) {}
						catch(FormatException) {}
					}

					UpdateStatusBar( "Downloading: " + Path.GetFileName(wmsDownload.SavedFilePath) );
					using( WebDownload dl = new WebDownload(wmsDownload.Url) )
					{
						dl.ProgressCallback += new DownloadProgressHandler(this.updateCurrentProgressBar);
						dl.DownloadMemory(DownloadType.Wms);
						if(this.animationState == AnimationState.Cancel || this.animationState == AnimationState.Stop)
							return;

						dl.Verify();
						ProcessDownloadedImage(wmsDownload, dl.ContentStream);
					}
				}
				catch(WebException caught)
				{
					this.worldWindow.Caption = caught.Message;
				}
				finally
				{
					updateCurrentProgressBar(0,1);
				}
			}
		}
Example #8
0
        private void SetSearchParametersComplete(WebDownload oWebDownload)
        {
            try
            {
                DappleSearchWebDownload oDSWebDownload = oWebDownload as DappleSearchWebDownload;
                oWebDownload.Verify();

                // --- If the search indices don't match, it's because a new search was done before this one completed, so discard these results ---
                if (oDSWebDownload.SearchIndex == m_lSearchIndex)
                {
                    XmlDocument oDoc = new XmlDocument();
                    oDoc.Load(oWebDownload.ContentStream);
                    SearchResultSet oPage1 = new SearchResultSet(oDoc);
                    InitSearch(oPage1);
                }
            }
            catch (WebException)
            {
                this.Invoke(new MethodInvoker(SetSearchFailed));
            }
            catch (XmlException)
            {
                this.Invoke(new MethodInvoker(SetSearchFailed));
            }
        }
        private void DownloadComplete(WebDownload downloadInfo)
        {
            try
            {
                downloadInfo.Verify();

                //m_quadTile.QuadTileArgs.NumberRetries = 0;

                //TODO add back in logic to check for the no data tile?
                //the logic was to not display that tile to at least show some data for the layers beneath VE
                //or show the no data tile so they know that VE has not covered that area yet
                //then just let those tiles get periodically deleted from cache for when VE updates

                // Rename temp file to real name
                File.Delete(textureName);
                File.Move(downloadInfo.SavedFilePath, textureName);

                // Make the quad tile reload the new image
                //m_quadTile.DownloadRequest = null;
                //m_quadTile.isInitialized = false;
                this.texture = TextureLoader.FromFile(drawArgs.device, textureName);
            }
            catch (System.Net.WebException caught)
            {
                System.Net.HttpWebResponse response = caught.Response as System.Net.HttpWebResponse;
                if (response != null && response.StatusCode == System.Net.HttpStatusCode.NotFound)
                {
                    using (File.Create(textureName + ".txt"))
                    { }
                    return;
                }
                //m_quadTile.QuadTileArgs.NumberRetries++;
            }
            catch
            {
                using (File.Create(textureName + ".txt"))
                { }
                if (File.Exists(downloadInfo.SavedFilePath))
                    File.Delete(downloadInfo.SavedFilePath);
            }
            finally
            {
                download.IsComplete = true;
                //m_quadTile.QuadTileArgs.RemoveFromDownloadQueue(this);
                //Immediately queue next download
                //m_quadTile.QuadTileArgs.ServiceDownloadQueue();
            }


        }
Example #10
0
		void DownloadComplete( WebDownload downloadInfo )
		{
			if(this.InvokeRequired)
			{
				Invoke(new DownloadCompleteHandler(DownloadComplete), new object[]{downloadInfo});
				return;
			}

			try
			{
				downloadInfo.Verify();
				Image = System.Drawing.Image.FromStream(downloadInfo.ContentStream);
			}
			catch(Exception caught)
			{
				this.Visible = false;
				MessageBox.Show(caught.Message, "Legend image download failed.",
					MessageBoxButtons.OK,MessageBoxIcon.Warning);
			}
			finally
			{
				if(downloadInfo!=null)
					downloadInfo.Dispose();
				Text = oldText;
			}
		}