public void Add(FDQueueItem item)
{
if(item.status == FDItemStatus.QueuedUpload)
uploadQueue.Enqueue(item);
else if(item.status == FDItemStatus.QueuedDownload)
downloadQueue.Enqueue(item);
else
throw new System.NotImplementedException("Queue doesn't yet support this item status");
}
public int StoreQueue(FDQueueItem item)
{
return 0;
}
public void ProcessFileUpload(string fileName)
{
FileAttributes attr = File.GetAttributes(fileName);
//TODO handle non-file items (like devices)
if ((attr & FileAttributes.Directory) == FileAttributes.Directory) { //we're on a directory, process it recursively
foreach ( string f in Directory.GetFiles(fileName) ) //handle files first
this.ProcessFileUpload (f);
foreach ( string d in Directory.GetDirectories(fileName) ) //then directories
this.ProcessFileUpload (d);
return; //if we're done processing all contents, return
}
//Build our temporary item for upload
FDQueueItem item = new FDQueueItem(fileName, FileAttributes.Normal, FDItemStatus.Uploading);
try
{
item.info = new System.IO.FileInfo(item.path);
}
catch (Exception e)
{
log.Store (this.ToString(),
"Failed to get file info on " + item.path,
"Exception info was: " + e.Message,
FDLogVerbosity.Error);
}
//our file is zero bytes, Glacier won't accept it but we still want to remember that it existed
if (item.info.Length == 0)
{
DataStore.InsertFile(item.path,
"0",
item.info.Length,
item.info.LastWriteTimeUtc,
"0");
return;
}
//set the current file name for communication with the frontend
UploadFile = Path.GetFileName(item.path);
//Calculate the file's checksum before upload, so we can check if it's uploaded before
FDChecksum fileChecksum = new FDChecksum(item.path);
try
{
fileChecksum.CalculateChecksum();
}
catch (Exception e)
{
log.Store (this.ToString(),
"Failed to checksum on " + item.path,
"Exception info was: " + e.Message,
FDLogVerbosity.Error);
return;
}
item.checksum = fileChecksum.checksum;
//Verfiy we haven't uploaded previously by comparing checksum + filesize to db
string archiveId = DataStore.CheckExists(item.checksum, item.info.Length);
//if we got a response, re-insert the file to db to be remembered and advance queue
if (!String.IsNullOrEmpty(archiveId))
{
DataStore.InsertFile(item.path,
item.checksum,
item.info.Length,
item.info.LastWriteTimeUtc,
archiveId);
return;
}
//If we've made it this far, we're ready to upload the file
item.glacier = new FDGlacier(settings, log, "upload");
item.glacier.archiveDescription = System.IO.Path.GetFileName (item.path);
item.glacier.setCallback(this._uploadProgress);
try
{
item.glacier.uploadFile(item.path);
}
catch (Exception e)
{
log.Store(this.ToString(),
"Failed to upload on " + item.path,
"Exception info was: " + e.Message,
FDLogVerbosity.Error);
return;
}
//Store the result to db
DataStore.InsertFile(item.path,
item.checksum,
item.info.Length,
item.info.LastWriteTimeUtc,
item.glacier.result.ArchiveId);
}
public void ProcessFileDownload(FDQueueItem item)
{
if(item.kind != System.IO.FileAttributes.Normal)
{
throw new Exception("Recursive downloads aren't supported yet.");
return;
}
Console.WriteLine("Archive ID was: " + item.archiveID);
item.glacier = new FDGlacier(settings, log, "download");
item.glacier.archiveID = item.archiveID;
item.glacier.setCallback(this._downloadProgress);
item.glacier.RequestArchive(item.downloadPath);
}
protected void enqueueUpload(string filePath)
{
FileAttributes attr = File.GetAttributes(filePath);
//Add to the OperationQueue
FDQueueItem addItem = new FDQueueItem(filePath, attr, FDItemStatus.QueuedUpload);
operationQueue.Add (addItem);
//Add to the queue view
TreeIter iter = uploadQueue.AppendValues(new Gdk.Pixbuf(null, "snowpack.assets.upload.png"), filePath, "", addItem.guid);
ListItem item = new ListItem(filePath, addItem.progress, addItem.guid, iter);
this.items.Add (item);
}
protected void enqueueDownload(string filePath, FileAttributes fileType, string restoreTo, string archiveID = null)
{
//add to the operationqueue
FDQueueItem addItem = new FDQueueItem(filePath, fileType, FDItemStatus.QueuedDownload);
addItem.archiveID = archiveID;
addItem.downloadPath = restoreTo;
operationQueue.Add (addItem);
//add to the queue view
TreeIter iter = uploadQueue.AppendValues(new Gdk.Pixbuf(null, "snowpack.assets.download.png"), filePath, "", addItem.guid);
ListItem item = new ListItem(filePath, addItem.progress, addItem.guid, iter);
this.items.Add (item);
}
