public async void Run(IBackgroundTaskInstance taskInstance)
{
_deferral = taskInstance.GetDeferral();
// Check for network changes
NetworkService.CheckNetworkChange();
// Set the API to use depending on the settings
if (SettingsService.LoadSetting(ResourceService.SettingsResources.GetString("SR_UseStagingServer"), false))
{
SdkService.MegaSdk.changeApiUrl("https://staging.api.mega.co.nz/");
}
else if (SettingsService.LoadSetting(ResourceService.SettingsResources.GetString("SR_UseStagingServerPort444"), false))
{
SdkService.MegaSdk.changeApiUrl("https://staging.api.mega.co.nz:444/", true);
}
else
{
SdkService.MegaSdk.changeApiUrl("https://g.api.mega.co.nz/");
}
// Log message to indicate that the service is invoked
LogService.Log(MLogLevel.LOG_LEVEL_INFO, "Service invoked.");
// Load the connection upload settings
CameraUploadsConnectionType cameraUploadsConnectionType = CameraUploadsConnectionType.EthernetWifiOnly;
try
{
cameraUploadsConnectionType = (CameraUploadsConnectionType)await SettingsService.LoadSettingFromFileAsync <int>("CameraUploadsSettingsHowKey");
}
catch (Exception e)
{
LogService.Log(MLogLevel.LOG_LEVEL_ERROR, "Could not load settings", e);
}
if (!CheckNetWork(cameraUploadsConnectionType))
{
LogService.Log(MLogLevel.LOG_LEVEL_INFO, "Task finished: connection type");
_deferral.Complete();
return;
}
SdkService.InitializeSdkParams();
var loggedIn = await LoginAsync();
if (loggedIn)
{
var fetched = await FetchNodesAsync();
if (fetched)
{
// Add notifications listener
var megaGlobalListener = new MegaGlobalListener();
SdkService.MegaSdk.addGlobalListener(megaGlobalListener);
// Enable the transfers resumption for the Camera Uploads service
await megaGlobalListener.ExecuteAsync(() => SdkService.MegaSdk.enableTransferResumption());
var cameraUploadRootNode = await SdkService.GetCameraUploadRootNodeAsync();
if (cameraUploadRootNode == null)
{
// No camera upload node found or created
// Just finish this run and try again next time
LogService.Log(MLogLevel.LOG_LEVEL_ERROR, "No Camera Uploads folder detected/created");
_deferral.Complete();
return;
}
// Load the file upload settings
CameraUploadsFileType cameraUploadsFileType = CameraUploadsFileType.PhotoAndVideo;
try
{
cameraUploadsFileType = (CameraUploadsFileType)await SettingsService.LoadSettingFromFileAsync <int>("CameraUploadsSettingsFileKey");
}
catch (Exception e)
{
LogService.Log(MLogLevel.LOG_LEVEL_ERROR, "Could not load settings", e);
}
var uploadFolders = new List <StorageFolder>();
switch (cameraUploadsFileType)
{
case CameraUploadsFileType.PhotoAndVideo:
uploadFolders.Add(KnownFolders.PicturesLibrary);
uploadFolders.Add(KnownFolders.VideosLibrary);
break;
case CameraUploadsFileType.PhotoOnly:
uploadFolders.Add(KnownFolders.PicturesLibrary);
break;
case CameraUploadsFileType.VideoOnly:
uploadFolders.Add(KnownFolders.VideosLibrary);
break;
}
// Get the IMAGE and/or VIDEO files to upload to MEGA
var fileToUpload = await TaskService.GetAvailableUploadAsync(
TaskService.ImageDateSetting, uploadFolders.ToArray());
foreach (var storageFile in fileToUpload)
{
// Skip the current file if it has failed more than the max error count
if (await ErrorHandlingService.SkipFileAsync(
storageFile.Name,
ErrorHandlingService.ImageErrorFileSetting,
ErrorHandlingService.ImageErrorCountSetting))
{
continue;
}
if (!CheckNetWork(cameraUploadsConnectionType))
{
break;
}
// Calculate time for fingerprint check and upload
ulong mtime = TaskService.CalculateMtime(storageFile.DateCreated.DateTime);
try
{
using (var fs = await storageFile.OpenStreamForReadAsync())
{
var isUploaded = SdkService.IsAlreadyUploaded(storageFile, fs, cameraUploadRootNode, mtime);
if (isUploaded)
{
await TaskService.SaveLastUploadDateAsync(storageFile, TaskService.ImageDateSetting);
continue;
}
await UploadAsync(storageFile, fs, cameraUploadRootNode, mtime);
// No error, clear error storage
await ErrorHandlingService.ClearAsync(ErrorHandlingService.ImageErrorFileSetting,
ErrorHandlingService.ImageErrorCountSetting);
}
}
catch (OutOfMemoryException e)
{
// Something went wrong (could be memory limit)
// Just finish this run and try again next time
LogService.Log(MLogLevel.LOG_LEVEL_ERROR, "Out of memory while uploading", e);
break;
}
catch (Exception e)
{
LogService.Log(MLogLevel.LOG_LEVEL_ERROR, "Error uploading item", e);
await ErrorHandlingService.SetFileErrorAsync(storageFile.Name,
ErrorHandlingService.ImageErrorFileSetting, ErrorHandlingService.ImageErrorCountSetting);
}
}
}
else
{
LogService.Log(MLogLevel.LOG_LEVEL_ERROR, "Failed to fetch nodes");
}
}
else
{
LogService.Log(MLogLevel.LOG_LEVEL_ERROR, "Failed to login");
}
_deferral.Complete();
}