/*
* Handler Function which handles Change in Meta Data of the File
*/
public bool handleFileMetaData(FileMetaDataSync request)
{
Logger.Debug("handleFileMetaData - Begin");
TryReleaseLock(request.initiatedSystemId, request.transactionID);
Logger.Debug("handleFileMetaData - End");
return(true);
}
/*
* Handler Function which Deletes a File and Marks it for Deletion if Required
*/
public bool handleDeleteFile(FileMetaDataSync request)
{
try {
Logger.Debug("handleDeleteFile - Begin");
TryReleaseLock(request.initiatedSystemId, request.transactionID);
if (!request.initiatedSystemId.Equals(IsisSystem.GetMyAddress()))
{
bool delete = filesystem.deleteFileSynchronized(request.owner, request.filepath);
if (!delete)
{
Logger.Debug("The file : " + request.filepath + " was already marked for deletion, skipping");
}
}
Logger.Debug("handleDeleteFile - End");
return(true);
} catch (Exception e) {
Logger.Debug("handleDeleteFile Encountered an Exception " + e.ToString());
return(false);
}
}
/*
* This Function is to be called when the File is Deleted from the Users List
*/
public bool sendsynchdeleteFile(FileMetaData filemetadata, OOBHandler handler, Group group, bool waitToFinish = true)
{
try {
Logger.Debug("File Operations Synch - sendsynchdeleteFile >> BEGIN");
bool operationResult = false;
if (waitToFinish)
{
string transactionId = FileServerComm.getInstance().transManager.generateTransactionId(filemetadata.filepath);
Transaction trans = new Transaction(transactionId);
if (true == FileServerComm.getInstance().transManager.insertTransaction(trans))
{
FileMetaDataSync sync = new FileMetaDataSync(transactionId, IsisSystem.GetMyAddress(), filemetadata);
group.OrderedSend(FileServerComm.DeleteFile, sync);
trans.waitTillSignalled();
FileServerComm.getInstance().transManager.removeAndGetTransaction(transactionId);
operationResult = !trans.isTimedOut;
}
else
{
Logger.Debug("File Operations Synch - sendsynchdeleteFile >> Generation of Transaction ID Failed: " + transactionId);
}
}
else
{
FileMetaDataSync sync = new FileMetaDataSync("", IsisSystem.GetMyAddress(), filemetadata);
group.OrderedSend(FileServerComm.DeleteFile, sync);
operationResult = true;
}
Logger.Debug("File Operations Synch - sendsynchdeleteFileFromMemory >> END Operation Status " + operationResult);
return(operationResult);
} catch (Exception e) {
Logger.Debug("File Operations Synch - sendsynchdeleteFile encountered a Excetpion: " + e.ToString());
return(false);
}
}
/*
* This Function Will be Called when the User Meta Data is Changed
* Typical Call is when a File is Shared or Unshared, the Meta Data Changes and we store this information
* and Synch it across all the File Server Nodes
*/
public bool sendsynchFileMetaData(FileMetaData filemetadata, OOBHandler handler, Group group, bool waitToFinish = true)
{
try {
Logger.Debug ("File Operations Synch - sendsynchFileMetaData >> BEGIN");
bool operationResult = false;
if (waitToFinish) {
string transactionId = FileServerComm.getInstance ().transManager.generateTransactionId (filemetadata.filepath);
Transaction trans = new Transaction (transactionId);
if (true == FileServerComm.getInstance ().transManager.insertTransaction (trans)) {
FileMetaDataSync sync = new FileMetaDataSync (transactionId, IsisSystem.GetMyAddress (), filemetadata);
group.OrderedSend (FileServerComm.UpdateFileMetaData, sync);
trans.waitTillSignalled ();
FileServerComm.getInstance ().transManager.removeAndGetTransaction (transactionId);
operationResult = !trans.isTimedOut;
} else {
Logger.Debug ("File Operations Synch - sendsynchUserMetaData >> Generation of Transaction ID Failed: " + transactionId);
}
} else {
FileMetaDataSync sync = new FileMetaDataSync ("", IsisSystem.GetMyAddress (), filemetadata);
group.OrderedSend (FileServerComm.UpdateUserMetaData, sync);
operationResult = true;
}
Logger.Debug ("File Operations Synch - sendsynchFileMetaData >> END Operation Status " + operationResult);
return operationResult;
} catch (Exception e) {
Logger.Debug ("File Operations Synch - sendsynchFileMetaData encountered Exception " + e.ToString());
return false;
}
}
/*
* Handler Function which handles Change in Meta Data of the File
*/
public bool handleFileMetaData(FileMetaDataSync request)
{
Logger.Debug ("handleFileMetaData - Begin");
TryReleaseLock(request.initiatedSystemId,request.transactionID);
Logger.Debug ("handleFileMetaData - End");
return true;
}
/*
* Handler Function which Deletes a File and Marks it for Deletion if Required
*/
public bool handleDeleteFile(FileMetaDataSync request)
{
try {
Logger.Debug ("handleDeleteFile - Begin");
TryReleaseLock (request.initiatedSystemId, request.transactionID);
if (!request.initiatedSystemId.Equals (IsisSystem.GetMyAddress ())) {
bool delete = filesystem.deleteFileSynchronized (request.owner, request.filepath);
if (!delete) {
Logger.Debug ("The file : " + request.filepath + " was already marked for deletion, skipping");
}
}
Logger.Debug ("handleDeleteFile - End");
return true;
} catch (Exception e) {
Logger.Debug("handleDeleteFile Encountered an Exception " + e.ToString());
return false;
}
}
