void XmdsFileGetFileCompleted(object sender, GetFileCompletedEventArgs e)
{
Debug.WriteLine("Get File Completed");
try
{
// Success / Failure
if (e.Error != null)
{
// There was an error - what do we do?
if (e.Cancelled)
{
Debug.WriteLine("The GetFile Request has been cancelled.");
}
else
{
Debug.WriteLine("The GetFile Request is still active, cancelling.");
// Make sure we cancel the request
// xmdsFile.CancelAsync(e.UserState);
}
// Log it
Trace.WriteLine(String.Format("Error From WebService Get File. File=[{1}], Error=[{0}], Try No [{2}]", e.Error.Message, _currentFileList.Path, _currentFileList.Retrys));
// Retry?
//TODO: What if we are disconnected from XMDS?
if (_currentFileList.Retrys < 5)
{
// Increment the Retrys
_currentFileList.Retrys++;
// Try again
GetFile(_currentFileList.ChunkOffset, _currentFileList.ChunkSize);
}
else
{
// Delete the file
try
{
if (_currentFileList.FileType == "layout")
File.Delete(Settings.Default.LibraryPath + @"\" + _currentFileList.Path);
else
File.Delete(Settings.Default.LibraryPath + @"\" + _currentFileList.Path);
}
catch (Exception ex)
{
Trace.WriteLine(new LogMessage("xmdsFile_GetFileCompleted", "Unable to delete the failed file: " +
_currentFileList.Path + " Message: " + ex.Message));
}
// Removed this blacklist code. Files that are not in the cachemanager will not be played on the client (and therefore
// we wont try to play a corrupt / partial file).
// If we blacklist here we will never try to get this file again, until the blacklist is cleared in XMDS
// Better to just skip it for now, and retry it once we have the required files list again
/*// Blacklist this file?
string[] mediaPath = _currentFileList.Path.Split('.');
string mediaId = mediaPath[0];
BlackList blackList = new BlackList();
blackList.Add(mediaId, BlackListType.Single, String.Format("Max number of retrys failed. BlackListing for this display. Error: {0}", e.Error.Message));
*/
// Move on
_currentFileList.Complete = true;
_currentFile++;
}
}
else
{
// Set the flag to indicate we have a connection to XMDS
Settings.Default.XmdsLastConnection = DateTime.Now;
// What file type were we getting
if (_currentFileList.FileType == "layout")
{
// Decode this byte[] into a string and stick it in the file.
string layoutXml = Encoding.UTF8.GetString(e.Result);
// We know it is finished and that we need to write to a file
try
{
string fullPath = Settings.Default.LibraryPath + @"\" + _currentFileList.Path;
Utilities.CreateFolder(Path.GetDirectoryName(fullPath));
StreamWriter sw = new StreamWriter(File.Open(fullPath, FileMode.Create, FileAccess.Write, FileShare.Read));
sw.Write(layoutXml);
sw.Close();
// This file is complete
_currentFileList.Complete = true;
}
catch (IOException ex)
{
//What do we do if we cant open the file stream?
System.Diagnostics.Debug.WriteLine(ex.Message, "FileCollector - GetFileCompleted");
}
// Check it
String md5sum = _cacheManager.GetMD5(_currentFileList.Path);
System.Diagnostics.Debug.WriteLine(String.Format("Comparing MD5 of completed download [{0}] with given MD5 [{1}]", md5sum, _currentFileList.MD5));
// TODO: What if the MD5 is different?
if (md5sum != _currentFileList.MD5)
{
// Error
System.Diagnostics.Trace.WriteLine(new LogMessage("xmdsFile_GetFileCompleted", String.Format("Incorrect MD5 for file: {0}", _currentFileList.Path)));
}
else
{
// Add to the CacheManager
_cacheManager.Add(_currentFileList.Path, md5sum);
// Report this completion back to XMDS
_requiredFiles.MarkComplete(_currentFileList.Path, md5sum);
_requiredFiles.ReportInventory();
}
// Fire a layout complete event
LayoutFileChanged(_currentFileList.Path);
System.Diagnostics.Trace.WriteLine(String.Format("File downloaded: {0}", _currentFileList.Path), "xmdsFile_GetFileCompleted");
_currentFile++;
}
else
{
Utilities.CreateFolder(Path.GetDirectoryName(Settings.Default.LibraryPath + @"\" + _currentFileList.Path));
// Need to write to the file - in append mode
FileStream fs = new FileStream(Settings.Default.LibraryPath + @"\" + _currentFileList.Path, FileMode.Append, FileAccess.Write);
fs.Write(e.Result, 0, e.Result.Length);
fs.Close();
fs.Dispose();
// Increment the chunkOffset by the amount we just asked for
_currentFileList.ChunkOffset = _currentFileList.ChunkOffset + _currentFileList.ChunkSize;
// Has the offset reached the total size?
if (_currentFileList.Size > _currentFileList.ChunkOffset)
{
long remaining = _currentFileList.Size - _currentFileList.ChunkOffset;
// There is still more to come
if (remaining < _currentFileList.ChunkSize)
{
// Get the remaining
_currentFileList.ChunkSize = remaining;
}
}
else
{
String md5sum = _cacheManager.GetMD5(_currentFileList.Path);
System.Diagnostics.Debug.WriteLine(String.Format("Comparing MD5 of completed download [{0}] with given MD5 [{1}]", md5sum, _currentFileList.MD5));
if (md5sum != _currentFileList.MD5)
{
// We need to get this file again
try
{
File.Delete(Settings.Default.LibraryPath + @"\" + _currentFileList.Path);
}
catch (Exception ex)
{
// Unable to delete incorrect file
//TODO: Should we black list this file?
System.Diagnostics.Debug.WriteLine(ex.Message);
}
// Reset the chunk offset (otherwise we will try to get this file again - but from the beginning (no so good)
_currentFileList.ChunkOffset = 0;
System.Diagnostics.Trace.WriteLine(String.Format("Error getting file {0}, HASH failed. Starting again", _currentFileList.Path));
}
else
{
// Add the MD5 to the CacheManager
_cacheManager.Add(_currentFileList.Path, md5sum);
// This file is complete
_currentFileList.Complete = true;
// Fire the File Complete event
MediaFileChanged(_currentFileList.Path);
System.Diagnostics.Debug.WriteLine(string.Format("File downloaded: {0}", _currentFileList.Path));
// Report this completion back to XMDS
// string[] filePart = _currentFileList.Path.Split('.');
_requiredFiles.MarkComplete(_currentFileList.Path, md5sum);
_requiredFiles.ReportInventory();
// All the file has been recieved. Move on to the next file.
_currentFile++;
}
}
}
// Before we get the next file render any waiting events
System.Windows.Forms.Application.DoEvents();
}
}
catch (Exception ex)
{
Trace.WriteLine(new LogMessage("xmdsFile_GetFileCompleted", "Unhanded Exception when processing getFile response: " + ex.Message));
// TODO: Blacklist the file?
// Consider this file complete because we couldn't write it....
_currentFileList.Complete = true;
_currentFile++;
}
// Get the next part
GetFile(_currentFileList.ChunkOffset, _currentFileList.ChunkSize);
}
void XmdsFileGetFileCompleted(object sender, GetFileCompletedEventArgs e)
{
Debug.WriteLine("Get File Completed");
try
{
// Success / Failure
if (e.Error != null)
{
// There was an error - what do we do?
if (e.Cancelled)
{
Debug.WriteLine("The GetFile Request has been cancelled.");
}
else
{
Debug.WriteLine("The GetFile Request is still active, cancelling.");
// Make sure we cancel the request
// xmdsFile.CancelAsync(e.UserState);
}
// Log it
Trace.WriteLine(String.Format("Error From WebService Get File. File=[{1}], Error=[{0}], Try No [{2}]", e.Error.Message, _currentFileList.Path, _currentFileList.Retrys));
// Retry?
//TODO: What if we are disconnected from XMDS?
if (_currentFileList.Retrys < 5)
{
// Increment the Retrys
_currentFileList.Retrys++;
// Try again
GetFile(_currentFileList.ChunkOffset, _currentFileList.ChunkSize);
}
else
{
// Delete the file
try
{
if (_currentFileList.FileType == "layout")
{
File.Delete(Settings.Default.LibraryPath + @"\" + _currentFileList.Path);
}
else
{
File.Delete(Settings.Default.LibraryPath + @"\" + _currentFileList.Path);
}
}
catch (Exception ex)
{
Trace.WriteLine(new LogMessage("xmdsFile_GetFileCompleted", "Unable to delete the failed file: " +
_currentFileList.Path + " Message: " + ex.Message));
}
// Removed this blacklist code. Files that are not in the cachemanager will not be played on the client (and therefore
// we wont try to play a corrupt / partial file).
// If we blacklist here we will never try to get this file again, until the blacklist is cleared in XMDS
// Better to just skip it for now, and retry it once we have the required files list again
/*// Blacklist this file?
* string[] mediaPath = _currentFileList.Path.Split('.');
* string mediaId = mediaPath[0];
*
* BlackList blackList = new BlackList();
* blackList.Add(mediaId, BlackListType.Single, String.Format("Max number of retrys failed. BlackListing for this display. Error: {0}", e.Error.Message));
*/
// Move on
_currentFileList.Complete = true;
_currentFile++;
}
}
else
{
// Set the flag to indicate we have a connection to XMDS
Settings.Default.XmdsLastConnection = DateTime.Now;
// What file type were we getting
if (_currentFileList.FileType == "layout")
{
// Decode this byte[] into a string and stick it in the file.
string layoutXml = Encoding.UTF8.GetString(e.Result);
// We know it is finished and that we need to write to a file
try
{
string fullPath = Settings.Default.LibraryPath + @"\" + _currentFileList.Path;
Utilities.CreateFolder(Path.GetDirectoryName(fullPath));
StreamWriter sw = new StreamWriter(File.Open(fullPath, FileMode.Create, FileAccess.Write, FileShare.Read));
sw.Write(layoutXml);
sw.Close();
// This file is complete
_currentFileList.Complete = true;
}
catch (IOException ex)
{
//What do we do if we cant open the file stream?
System.Diagnostics.Debug.WriteLine(ex.Message, "FileCollector - GetFileCompleted");
}
// Check it
String md5sum = _cacheManager.GetMD5(_currentFileList.Path);
System.Diagnostics.Debug.WriteLine(String.Format("Comparing MD5 of completed download [{0}] with given MD5 [{1}]", md5sum, _currentFileList.MD5));
// TODO: What if the MD5 is different?
if (md5sum != _currentFileList.MD5)
{
// Error
System.Diagnostics.Trace.WriteLine(new LogMessage("xmdsFile_GetFileCompleted", String.Format("Incorrect MD5 for file: {0}", _currentFileList.Path)));
}
else
{
// Add to the CacheManager
_cacheManager.Add(_currentFileList.Path, md5sum);
// Report this completion back to XMDS
_requiredFiles.MarkComplete(_currentFileList.Path, md5sum);
_requiredFiles.ReportInventory();
}
// Fire a layout complete event
LayoutFileChanged(_currentFileList.Path);
System.Diagnostics.Trace.WriteLine(String.Format("File downloaded: {0}", _currentFileList.Path), "xmdsFile_GetFileCompleted");
_currentFile++;
}
else
{
Utilities.CreateFolder(Path.GetDirectoryName(Settings.Default.LibraryPath + @"\" + _currentFileList.Path));
// Need to write to the file - in append mode
FileStream fs = new FileStream(Settings.Default.LibraryPath + @"\" + _currentFileList.Path, FileMode.Append, FileAccess.Write);
fs.Write(e.Result, 0, e.Result.Length);
fs.Close();
fs.Dispose();
// Increment the chunkOffset by the amount we just asked for
_currentFileList.ChunkOffset = _currentFileList.ChunkOffset + _currentFileList.ChunkSize;
// Has the offset reached the total size?
if (_currentFileList.Size > _currentFileList.ChunkOffset)
{
long remaining = _currentFileList.Size - _currentFileList.ChunkOffset;
// There is still more to come
if (remaining < _currentFileList.ChunkSize)
{
// Get the remaining
_currentFileList.ChunkSize = remaining;
}
}
else
{
String md5sum = _cacheManager.GetMD5(_currentFileList.Path);
System.Diagnostics.Debug.WriteLine(String.Format("Comparing MD5 of completed download [{0}] with given MD5 [{1}]", md5sum, _currentFileList.MD5));
if (md5sum != _currentFileList.MD5)
{
// We need to get this file again
try
{
File.Delete(Settings.Default.LibraryPath + @"\" + _currentFileList.Path);
}
catch (Exception ex)
{
// Unable to delete incorrect file
//TODO: Should we black list this file?
System.Diagnostics.Debug.WriteLine(ex.Message);
}
// Reset the chunk offset (otherwise we will try to get this file again - but from the beginning (no so good)
_currentFileList.ChunkOffset = 0;
System.Diagnostics.Trace.WriteLine(String.Format("Error getting file {0}, HASH failed. Starting again", _currentFileList.Path));
}
else
{
// Add the MD5 to the CacheManager
_cacheManager.Add(_currentFileList.Path, md5sum);
// This file is complete
_currentFileList.Complete = true;
// Fire the File Complete event
MediaFileChanged(_currentFileList.Path);
System.Diagnostics.Debug.WriteLine(string.Format("File downloaded: {0}", _currentFileList.Path));
// Report this completion back to XMDS
// string[] filePart = _currentFileList.Path.Split('.');
_requiredFiles.MarkComplete(_currentFileList.Path, md5sum);
_requiredFiles.ReportInventory();
// All the file has been recieved. Move on to the next file.
_currentFile++;
}
}
}
// Before we get the next file render any waiting events
System.Windows.Forms.Application.DoEvents();
}
}
catch (Exception ex)
{
Trace.WriteLine(new LogMessage("xmdsFile_GetFileCompleted", "Unhanded Exception when processing getFile response: " + ex.Message));
// TODO: Blacklist the file?
// Consider this file complete because we couldn't write it....
_currentFileList.Complete = true;
_currentFile++;
}
// Get the next part
GetFile(_currentFileList.ChunkOffset, _currentFileList.ChunkSize);
}
