Exemple #1
0
        void handleBootStrappingContinue(BootStrappingCheckPoint request, Group group, OOBHandler oobhandle)
        {
            Logger.Debug("handleBootStrappingContinue , Response received from " + request.nodeAddress.ToStringVerboseFormat());
            int bootStrapStatus    = SUCCESS;
            int numberOfUsersAdded = 0;

            if (null != state.selectedNode && request.nodeAddress.Equals(state.selectedNode))
            {
                Logger.Debug("handleBootStrapping Continue :)");

                state.currState = eBootStrapState.ReceivingData;
                MemoryMappedFile transferredFile = group.OOBFetch(request.fileName);

                if (transferredFile != null)
                {
                    Logger.Debug("File" + request.fileName + "request Transfer Successfull!");
                    try
                    {
                        int index = 0;
                        InMemoryFileSystem tempFileSystem = null;
                        tempFileSystem = oobhandle.deserializeFromMemoryMappedFile(transferredFile, ref index, request.dataLength) as InMemoryFileSystem;

                        List <string> users = tempFileSystem.GetInMemoryUserList();
                        numberOfUsersAdded = users.Count;

                        foreach (string user in users)
                        {
                            UserFileSystem userfilesys = tempFileSystem.GetClonedInMemoryUserFileSystem(user);
                            if (null != userfilesys)
                            {
                                fileSystem.addFSToMapSynchronized(userfilesys, user);
                            }
                        }
                    }
                    catch (Exception e)
                    {
                        Logger.Debug("Exception Encountered : " + e.ToString());
                        bootStrapStatus = FAILURE;
                    }
                }
                else
                {
                    Logger.Debug("File" + request.fileName + "was Deleted!");
                    bootStrapStatus = FAILURE;
                }

                Logger.Debug("handleBootStrapping Added :)" + numberOfUsersAdded + " Users");
                group.OOBDelete(request.fileName);

                BootStrappingResponse response = null;
                response = new BootStrappingResponse(request.fileName, IsisSystem.GetMyAddress(), bootStrapStatus);

                group.P2PSend(request.nodeAddress, FileServerComm.BootStrapResponse, response);
            }
            else
            {
                Logger.Debug("handleBootStrappingContinue, Receieved from Another Node, Some Problem. Ignore this Plz :)");
            }
        }
        void handleBootStrappingRequest(Group group, OOBHandler oobhandle, InMemoryFileSystem fileSystem, string requestName, Address recvdFrom)
        {
            if (state.currState == eBootStrapState.BootStrappingComplete) {

                Logger.Debug("handleBootStrappingRequest , Received from " + recvdFrom.ToStringVerboseFormat());

                BootStrappingCheckPoint initialStage = null;
                initialStage = new BootStrappingCheckPoint ("Boot Strapping Begin", FileServerComm.BootStrapBegin,
                                                          IsisSystem.GetMyAddress (), SUCCESS,
                                                          0);

                Logger.Debug("Sending a BootStrapping Begin , Response to " + recvdFrom.ToStringVerboseFormat());
                group.RawP2PSend (recvdFrom, FileServerComm.BootStrapBegin, initialStage);

                MemoryMappedFile transferFile = null;
                int currentUserIndex = 0;
                int numberOfUsersCurrentBatch = 0;

                List<string> users = fileSystem.GetInMemoryUserList ();
                InMemoryFileSystem tempFileSystem = new InMemoryFileSystem (false);

                //Yayy Lets Begin Doing Some Boot Strapping
                try {
                    Logger.Debug("Number of Users to BootStrap and Send " + users.Count);
                    while (currentUserIndex < users.Count) {

                        UserFileSystem userfilesys = fileSystem.GetClonedInMemoryUserFileSystem (users [currentUserIndex]);
                        numberOfUsersCurrentBatch++;

                        Logger.Debug("Adding User to the BootStrap : " + users[currentUserIndex]);

                        tempFileSystem.addFSToMapSynchronized (userfilesys, users [currentUserIndex]);
                        currentUserIndex++;

                        if (numberOfUsersCurrentBatch == BatchSize) {
                            //Let's Make a OOB File and Transfer the Data
                            string currentFileName = FileServerComm.getInstance ().transManager.generateTransactionId ();

                            bool operationResult = false;

                            numberOfUsersCurrentBatch = 0;

                            Transaction trans = new Transaction (currentFileName);

                            FileServerComm.getInstance ().transManager.insertTransaction (trans);

                            int writtenBytesLength = 0;
                            transferFile = oobhandle.serializeIntoMemoryMappedFile (currentFileName, tempFileSystem, ref writtenBytesLength);

                            BootStrappingCheckPoint continueBootStrap = null;
                            continueBootStrap = new BootStrappingCheckPoint (currentFileName, FileServerComm.BootStrapContinue,
                                                                           IsisSystem.GetMyAddress (), SUCCESS,
                                                                           writtenBytesLength);
                            List<Address> where = new List<Address>();
                            where.Add(recvdFrom);
                            where.Add (IsisSystem.GetMyAddress ());
                            oobhandle.sendOOBData (group, transferFile, currentFileName, where);

                            trans.waitTillSignalled ();
                            operationResult = !trans.isTimedOut;

                            if (operationResult) {
                                group.RawP2PSend (recvdFrom, FileServerComm.BootStrapContinue, continueBootStrap);
                                trans.waitTillSignalled ();
                                operationResult = !trans.isTimedOut;
                            } else {
                                Logger.Debug ("Sending BootStraping Request Timed Out, Quit Out of BootStrapping partcicipation");
                                return;
                            }
                            tempFileSystem = new InMemoryFileSystem ();
                        }
                    }

                    //Lets Throw out the Remaining Users
                    if (numberOfUsersCurrentBatch != 0) {
                        string currentFileName = FileServerComm.getInstance ().transManager.generateTransactionId ();

                        Transaction trans = new Transaction (currentFileName);
                        FileServerComm.getInstance ().transManager.insertTransaction (trans);

                        bool currentOperationResult = false;

                        int writtenBytesLength = 0;
                        transferFile = oobhandle.serializeIntoMemoryMappedFile (currentFileName, tempFileSystem, ref writtenBytesLength);
                        BootStrappingCheckPoint _continue = null;
                        _continue = new BootStrappingCheckPoint (currentFileName, FileServerComm.BootStrapContinue,
                                                                 IsisSystem.GetMyAddress (), SUCCESS,
                                                                 writtenBytesLength);

                        List<Address> where = new List<Address>();
                        where.Add(recvdFrom);
                        where.Add (IsisSystem.GetMyAddress ());

                        oobhandle.sendOOBData (group, transferFile, currentFileName, where);

                        trans.waitTillSignalled ();
                        currentOperationResult = !trans.isTimedOut;

                        if (currentOperationResult) {
                            group.RawP2PSend (recvdFrom, FileServerComm.BootStrapContinue, _continue);

                            trans.waitTillSignalled ();
                            currentOperationResult = !trans.isTimedOut;
                        } else {
                            Logger.Debug ("Sending BootStraping Request Timed Out, Quit Out of BootStrapping partcicipation");
                            return;
                        }

                        tempFileSystem = new InMemoryFileSystem ();
                        numberOfUsersCurrentBatch = 0;
                    }

                    Logger.Debug("Sending a Boot Strap End Response to " + recvdFrom.ToString());

                    BootStrappingCheckPoint finalStage = null;
                    finalStage = new BootStrappingCheckPoint ("Yayyy Finally Done", FileServerComm.BootStrapEnd,
                                                            IsisSystem.GetMyAddress (), SUCCESS,
                                                            0);

                    group.RawP2PSend (recvdFrom, FileServerComm.BootStrapEnd, finalStage);

                    return;
                } catch (Exception e) {
                    Logger.Debug("Caught an Exception : " + e.ToString());
                    BootStrappingCheckPoint _exception = null;
                    _exception = new BootStrappingCheckPoint (e.ToString (), FileServerComm.BootStrapException,
                                                              IsisSystem.GetMyAddress (), FAILURE,
                                                            0);
                    group.P2PSend (recvdFrom, FileServerComm.BootStrapException, _exception);
                    return;
                }
            }
            else {
                Logger.Debug("Node is Not in the State of Boot Strapping, Ignore this Request and Keep Calm");
            }
        }
Exemple #3
0
        void handleBootStrappingRequest(Group group, OOBHandler oobhandle, InMemoryFileSystem fileSystem, string requestName, Address recvdFrom)
        {
            if (state.currState == eBootStrapState.BootStrappingComplete)
            {
                Logger.Debug("handleBootStrappingRequest , Received from " + recvdFrom.ToStringVerboseFormat());

                BootStrappingCheckPoint initialStage = null;
                initialStage = new BootStrappingCheckPoint("Boot Strapping Begin", FileServerComm.BootStrapBegin,
                                                           IsisSystem.GetMyAddress(), SUCCESS,
                                                           0);

                Logger.Debug("Sending a BootStrapping Begin , Response to " + recvdFrom.ToStringVerboseFormat());
                group.RawP2PSend(recvdFrom, FileServerComm.BootStrapBegin, initialStage);

                MemoryMappedFile transferFile = null;
                int currentUserIndex          = 0;
                int numberOfUsersCurrentBatch = 0;

                List <string>      users          = fileSystem.GetInMemoryUserList();
                InMemoryFileSystem tempFileSystem = new InMemoryFileSystem(false);

                //Yayy Lets Begin Doing Some Boot Strapping
                try {
                    Logger.Debug("Number of Users to BootStrap and Send " + users.Count);
                    while (currentUserIndex < users.Count)
                    {
                        UserFileSystem userfilesys = fileSystem.GetClonedInMemoryUserFileSystem(users [currentUserIndex]);
                        numberOfUsersCurrentBatch++;

                        Logger.Debug("Adding User to the BootStrap : " + users[currentUserIndex]);

                        tempFileSystem.addFSToMapSynchronized(userfilesys, users [currentUserIndex]);
                        currentUserIndex++;

                        if (numberOfUsersCurrentBatch == BatchSize)
                        {
                            //Let's Make a OOB File and Transfer the Data
                            string currentFileName = FileServerComm.getInstance().transManager.generateTransactionId();

                            bool operationResult = false;

                            numberOfUsersCurrentBatch = 0;

                            Transaction trans = new Transaction(currentFileName);

                            FileServerComm.getInstance().transManager.insertTransaction(trans);

                            int writtenBytesLength = 0;
                            transferFile = oobhandle.serializeIntoMemoryMappedFile(currentFileName, tempFileSystem, ref writtenBytesLength);

                            BootStrappingCheckPoint continueBootStrap = null;
                            continueBootStrap = new BootStrappingCheckPoint(currentFileName, FileServerComm.BootStrapContinue,
                                                                            IsisSystem.GetMyAddress(), SUCCESS,
                                                                            writtenBytesLength);
                            List <Address> where = new List <Address>();
                            where.Add(recvdFrom);
                            where.Add(IsisSystem.GetMyAddress());
                            oobhandle.sendOOBData(group, transferFile, currentFileName, where);

                            trans.waitTillSignalled();
                            operationResult = !trans.isTimedOut;

                            if (operationResult)
                            {
                                group.RawP2PSend(recvdFrom, FileServerComm.BootStrapContinue, continueBootStrap);
                                trans.waitTillSignalled();
                                operationResult = !trans.isTimedOut;
                            }
                            else
                            {
                                Logger.Debug("Sending BootStraping Request Timed Out, Quit Out of BootStrapping partcicipation");
                                return;
                            }
                            tempFileSystem = new InMemoryFileSystem();
                        }
                    }

                    //Lets Throw out the Remaining Users
                    if (numberOfUsersCurrentBatch != 0)
                    {
                        string currentFileName = FileServerComm.getInstance().transManager.generateTransactionId();

                        Transaction trans = new Transaction(currentFileName);
                        FileServerComm.getInstance().transManager.insertTransaction(trans);

                        bool currentOperationResult = false;

                        int writtenBytesLength = 0;
                        transferFile = oobhandle.serializeIntoMemoryMappedFile(currentFileName, tempFileSystem, ref writtenBytesLength);
                        BootStrappingCheckPoint _continue = null;
                        _continue = new BootStrappingCheckPoint(currentFileName, FileServerComm.BootStrapContinue,
                                                                IsisSystem.GetMyAddress(), SUCCESS,
                                                                writtenBytesLength);

                        List <Address> where = new List <Address>();
                        where.Add(recvdFrom);
                        where.Add(IsisSystem.GetMyAddress());

                        oobhandle.sendOOBData(group, transferFile, currentFileName, where);

                        trans.waitTillSignalled();
                        currentOperationResult = !trans.isTimedOut;

                        if (currentOperationResult)
                        {
                            group.RawP2PSend(recvdFrom, FileServerComm.BootStrapContinue, _continue);

                            trans.waitTillSignalled();
                            currentOperationResult = !trans.isTimedOut;
                        }
                        else
                        {
                            Logger.Debug("Sending BootStraping Request Timed Out, Quit Out of BootStrapping partcicipation");
                            return;
                        }

                        tempFileSystem            = new InMemoryFileSystem();
                        numberOfUsersCurrentBatch = 0;
                    }

                    Logger.Debug("Sending a Boot Strap End Response to " + recvdFrom.ToString());

                    BootStrappingCheckPoint finalStage = null;
                    finalStage = new BootStrappingCheckPoint("Yayyy Finally Done", FileServerComm.BootStrapEnd,
                                                             IsisSystem.GetMyAddress(), SUCCESS,
                                                             0);

                    group.RawP2PSend(recvdFrom, FileServerComm.BootStrapEnd, finalStage);

                    return;
                } catch (Exception e) {
                    Logger.Debug("Caught an Exception : " + e.ToString());
                    BootStrappingCheckPoint _exception = null;
                    _exception = new BootStrappingCheckPoint(e.ToString(), FileServerComm.BootStrapException,
                                                             IsisSystem.GetMyAddress(), FAILURE,
                                                             0);
                    group.P2PSend(recvdFrom, FileServerComm.BootStrapException, _exception);
                    return;
                }
            }
            else
            {
                Logger.Debug("Node is Not in the State of Boot Strapping, Ignore this Request and Keep Calm");
            }
        }