public FileMetaData cloneMetaDataObject()
{
FileMetaData retObj = new FileMetaData (this.filepath, this.owner);
retObj.filesize = this.filesize;
retObj.sharedwithclients = new List<string> (this.sharedwithclients);
retObj.versionNumber = this.versionNumber;
retObj.markedForDeletion = this.markedForDeletion;
return retObj;
}
public FileMetaDataSync(string transactionId, Address localAddress, FileMetaData filemetadata)
{
this.filepath = filemetadata.filepath;
this.owner = filemetadata.owner;
this.filesize = filemetadata.filesize;
this.transactionID = transactionId;
this.initiatedSystemId = localAddress;
this.versionNumber = filemetadata.versionNumber;
if (null != filemetadata) {
int index = 0;
foreach(string client in filemetadata.sharedwithclients) {
if(index != filemetadata.sharedwithclients.Count - 1)
longSharedWithClients += client + ",";
else
longSharedWithClients += client;
}
}
}
/*
* 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;
}
}
public UserFile(string filepath, string owner)
{
this.filemetadata = new FileMetaData(filepath, owner);
this.filecontent = new byte[0];
}
