/// <summary>
/// Solve the specified situation by using the storage, localFile and remoteId.
/// Uploads the file content if content has been changed. Otherwise simply saves the
/// last modification date.
/// </summary>
/// <param name="localFileSystemInfo">Local filesystem info instance.</param>
/// <param name="remoteId">Remote identifier or object.</param>
/// <param name="localContent">Hint if the local content has been changed.</param>
/// <param name="remoteContent">Information if the remote content has been changed.</param>
public override void Solve(
IFileSystemInfo localFileSystemInfo,
IObjectId remoteId,
ContentChangeType localContent = ContentChangeType.NONE,
ContentChangeType remoteContent = ContentChangeType.NONE)
{
if (!localFileSystemInfo.Exists)
{
throw new ArgumentException("Given local path does not exists: " + localFileSystemInfo.FullName);
}
// Match local changes to remote changes and updated them remotely
IMappedObject mappedObject = this.Storage.GetObject(localFileSystemInfo);
if (mappedObject == null)
{
throw new ArgumentException(string.Format("Could not find db entry for {0} => invoke crawl sync", localFileSystemInfo.FullName));
}
if (mappedObject.LastChangeToken != (remoteId as ICmisObjectProperties).ChangeToken)
{
throw new ArgumentException(string.Format("remote {1} {0} has also been changed since last sync => invoke crawl sync", remoteId.Id, remoteId is IDocument ? "document" : "folder"));
}
IFileInfo localFile = localFileSystemInfo as IFileInfo;
if (localFile != null && localFile.IsContentChangedTo(mappedObject, scanOnlyIfModificationDateDiffers: true))
{
Logger.Debug(string.Format("\"{0}\" is different from {1}", localFile.FullName, mappedObject.ToString()));
OperationsLogger.Debug(string.Format("Local file \"{0}\" has been changed", localFile.FullName));
var doc = remoteId as IDocument;
try {
var transmission = this.transmissionManager.CreateTransmission(TransmissionType.UPLOAD_MODIFIED_FILE, localFile.FullName);
mappedObject.LastChecksum = UploadFile(localFile, doc, transmission);
} catch (Exception ex) {
if (ex.InnerException is CmisPermissionDeniedException)
{
OperationsLogger.Warn(string.Format("Local changed file \"{0}\" has not been uploaded: PermissionDenied", localFile.FullName));
return;
}
else if (ex.InnerException is CmisStorageException)
{
OperationsLogger.Warn(string.Format("Local changed file \"{0}\" has not been uploaded: StorageException", localFile.FullName), ex);
return;
}
throw;
}
mappedObject.LastRemoteWriteTimeUtc = doc.LastModificationDate;
mappedObject.LastLocalWriteTimeUtc = localFile.LastWriteTimeUtc;
mappedObject.LastContentSize = localFile.Length;
OperationsLogger.Info(string.Format("Local changed file \"{0}\" has been uploaded", localFile.FullName));
}
if (this.ServerCanModifyDateTimes)
{
try {
if (remoteId is IDocument)
{
var doc = remoteId as IDocument;
doc.UpdateLastWriteTimeUtc(localFileSystemInfo.LastWriteTimeUtc);
mappedObject.LastRemoteWriteTimeUtc = doc.LastModificationDate ?? localFileSystemInfo.LastWriteTimeUtc;
}
else if (remoteId is IFolder)
{
var folder = remoteId as IFolder;
folder.UpdateLastWriteTimeUtc(localFileSystemInfo.LastWriteTimeUtc);
mappedObject.LastRemoteWriteTimeUtc = folder.LastModificationDate ?? localFileSystemInfo.LastWriteTimeUtc;
}
} catch (CmisPermissionDeniedException) {
Logger.Debug(string.Format("Locally changed modification date \"{0}\"is not uploaded to the server: PermissionDenied", localFileSystemInfo.LastWriteTimeUtc));
}
}
mappedObject.LastChangeToken = (remoteId as ICmisObjectProperties).ChangeToken;
mappedObject.LastLocalWriteTimeUtc = localFileSystemInfo.LastWriteTimeUtc;
this.Storage.SaveMappedObject(mappedObject);
}
/// <summary>
/// Solve the specified situation by using the storage, localFile and remoteId.
/// Uploads the file content if content has been changed. Otherwise simply saves the
/// last modification date.
/// </summary>
/// <param name="localFileSystemInfo">Local filesystem info instance.</param>
/// <param name="remoteId">Remote identifier or object.</param>
/// <param name="localContent">Hint if the local content has been changed.</param>
/// <param name="remoteContent">Information if the remote content has been changed.</param>
public override void Solve(
IFileSystemInfo localFileSystemInfo,
IObjectId remoteId,
ContentChangeType localContent = ContentChangeType.NONE,
ContentChangeType remoteContent = ContentChangeType.NONE)
{
if (!localFileSystemInfo.Exists)
{
throw new ArgumentException("Given local path does not exists: " + localFileSystemInfo.FullName);
}
// Match local changes to remote changes and updated them remotely
IMappedObject mappedObject = null;
try {
string ea = localFileSystemInfo.GetExtendedAttribute(MappedObject.ExtendedAttributeKey);
Guid guid;
if (Guid.TryParse(ea, out guid))
{
mappedObject = this.Storage.GetObjectByGuid(guid);
}
} catch (Exception) {
}
if (mappedObject == null)
{
mappedObject = this.Storage.GetObjectByLocalPath(localFileSystemInfo);
}
if (mappedObject == null)
{
throw new ArgumentException(string.Format("Could not find db entry for {0} => invoke crawl sync", localFileSystemInfo.FullName));
}
IFileInfo localFile = localFileSystemInfo as IFileInfo;
if (localFile != null && localFile.IsContentChangedTo(mappedObject, scanOnlyIfModificationDateDiffers: true))
{
Logger.Debug(string.Format("\"{0}\" is different from {1}", localFile.FullName, mappedObject.ToString()));
OperationsLogger.Debug(string.Format("Local file \"{0}\" has been changed", localFile.FullName));
IFileUploader uploader = FileTransmission.ContentTaskUtils.CreateUploader();
var doc = remoteId as IDocument;
FileTransmissionEvent transmissionEvent = new FileTransmissionEvent(FileTransmissionType.UPLOAD_MODIFIED_FILE, localFile.FullName);
this.transmissionManager.AddTransmission(transmissionEvent);
transmissionEvent.ReportProgress(new TransmissionProgressEventArgs {
Started = true
});
using (var hashAlg = new SHA1Managed())
using (var file = localFile.Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete)) {
try {
uploader.UploadFile(doc, file, transmissionEvent, hashAlg);
} catch (Exception ex) {
transmissionEvent.ReportProgress(new TransmissionProgressEventArgs {
FailedException = ex
});
if (ex.InnerException is CmisPermissionDeniedException)
{
OperationsLogger.Warn(string.Format("Local changed file \"{0}\" has been not been uploaded: PermissionDenied", localFile.FullName));
return;
}
throw;
}
mappedObject.LastChecksum = hashAlg.Hash;
}
mappedObject.LastChangeToken = doc.ChangeToken;
mappedObject.LastRemoteWriteTimeUtc = doc.LastModificationDate;
mappedObject.LastLocalWriteTimeUtc = localFile.LastWriteTimeUtc;
mappedObject.LastContentSize = localFile.Length;
OperationsLogger.Info(string.Format("Local changed file \"{0}\" has been uploaded", localFile.FullName));
transmissionEvent.ReportProgress(new TransmissionProgressEventArgs {
Completed = true
});
}
if (this.ServerCanModifyDateTimes)
{
try {
if (remoteId is IDocument)
{
(remoteId as IDocument).UpdateLastWriteTimeUtc(localFileSystemInfo.LastWriteTimeUtc);
mappedObject.LastRemoteWriteTimeUtc = localFileSystemInfo.LastWriteTimeUtc;
}
else if (remoteId is IFolder)
{
(remoteId as IFolder).UpdateLastWriteTimeUtc(localFileSystemInfo.LastWriteTimeUtc);
mappedObject.LastRemoteWriteTimeUtc = localFileSystemInfo.LastWriteTimeUtc;
}
} catch (CmisPermissionDeniedException) {
Logger.Debug(string.Format("Locally changed modification date \"{0}\"is not uploaded to the server: PermissionDenied", localFileSystemInfo.LastWriteTimeUtc));
}
}
mappedObject.LastLocalWriteTimeUtc = localFileSystemInfo.LastWriteTimeUtc;
this.Storage.SaveMappedObject(mappedObject);
}
/// <summary>
/// Determines if file content is changed to the specified obj.
/// </summary>
/// <returns><c>true</c> if is the file content is different to the specified obj otherwise, <c>false</c>.</returns>
/// <param name="file">File instance.</param>
/// <param name="obj">Object to check the file content against.</param>
/// <param name="scanOnlyIfModificationDateDiffers">If set to <c>true</c> content scan runs only if the modification date differs to given one.</param>
public static bool IsContentChangedTo(this IFileInfo file, IMappedObject obj, bool scanOnlyIfModificationDateDiffers = false)
{
byte[] actualHash;
return(file.IsContentChangedTo(obj, out actualHash, scanOnlyIfModificationDateDiffers));
}
/// <summary>
/// Solve the specified situation by using localFile and remote object if the local file content is the only changed content. Otherwise the given fallback will be used.
/// </summary>
/// <param name="localFileSystemInfo">Local filesystem info instance.</param>
/// <param name="remoteId">Remote identifier or object.</param>
/// <param name="localContent">Hint if the local content has been changed.</param>
/// <param name="remoteContent">Information if the remote content has been changed.</param>
public override void Solve(
IFileSystemInfo localFileSystemInfo,
IObjectId remoteId,
ContentChangeType localContent,
ContentChangeType remoteContent)
{
if (!(localFileSystemInfo is IFileInfo))
{
this.fallbackSolver.Solve(localFileSystemInfo, remoteId, localContent, remoteContent);
return;
}
IFileInfo localFile = localFileSystemInfo as IFileInfo;
IDocument remoteDocument = remoteId as IDocument;
if (remoteContent != ContentChangeType.NONE)
{
this.fallbackSolver.Solve(localFile, remoteId, localContent, remoteContent);
return;
}
bool updateLocalDate = false;
bool updateRemoteDate = false;
var obj = this.Storage.GetObjectByRemoteId(remoteDocument.Id);
if (localFile.IsContentChangedTo(obj, true))
{
updateRemoteDate = true;
try {
var transmission = this.transmissionManager.CreateTransmission(TransmissionType.UPLOAD_MODIFIED_FILE, localFile.FullName);
obj.LastChecksum = UploadFileWithPWC(localFile, ref remoteDocument, transmission);
obj.ChecksumAlgorithmName = "SHA-1";
obj.LastContentSize = remoteDocument.ContentStreamLength ?? localFile.Length;
if (remoteDocument.Id != obj.RemoteObjectId)
{
this.TransmissionStorage.RemoveObjectByRemoteObjectId(obj.RemoteObjectId);
obj.RemoteObjectId = remoteDocument.Id;
}
} catch (Exception ex) {
if (ex.InnerException is CmisPermissionDeniedException)
{
OperationsLogger.Warn(string.Format("Local changed file \"{0}\" has not been uploaded: PermissionDenied", localFile.FullName));
return;
}
else if (ex.InnerException is CmisStorageException)
{
OperationsLogger.Warn(string.Format("Local changed file \"{0}\" has not been uploaded: StorageException", localFile.FullName), ex);
return;
}
throw;
}
}
else
{
// just date sync
if (remoteDocument.LastModificationDate != null && localFile.LastWriteTimeUtc < remoteDocument.LastModificationDate)
{
updateLocalDate = true;
}
else
{
updateRemoteDate = true;
}
}
if (this.ServerCanModifyDateTimes)
{
if (updateLocalDate)
{
localFile.LastWriteTimeUtc = (DateTime)remoteDocument.LastModificationDate;
}
else if (updateRemoteDate)
{
remoteDocument.UpdateLastWriteTimeUtc(localFile.LastWriteTimeUtc);
}
else
{
throw new ArgumentException();
}
}
obj.LastChangeToken = remoteDocument.ChangeToken;
obj.LastLocalWriteTimeUtc = localFileSystemInfo.LastWriteTimeUtc;
obj.LastRemoteWriteTimeUtc = remoteDocument.LastModificationDate;
this.Storage.SaveMappedObject(obj);
}
