mirror of
https://github.com/nextcloud/desktop.git
synced 2024-10-28 07:54:49 +03:00
657 lines
22 KiB
C++
657 lines
22 KiB
C++
/*
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* Copyright (C) by Duncan Mac-Vicar P. <duncan@kde.org>
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* Copyright (C) by Klaas Freitag <freitag@owncloud.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "mirall/csyncthread.h"
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#include "mirall/mirallconfigfile.h"
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#include "mirall/theme.h"
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#include "mirall/logger.h"
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#include "mirall/owncloudinfo.h"
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#include "owncloudpropagator.h"
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#include "progressdatabase.h"
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#include "syncjournaldb.h"
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#include "syncjournalfilerecord.h"
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#include "creds/abstractcredentials.h"
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#ifdef Q_OS_WIN
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#include <windows.h>
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#else
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#include <unistd.h>
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#endif
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#include <assert.h>
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#include <QDebug>
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#include <QSslSocket>
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#include <QDir>
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#include <QMutexLocker>
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#include <QThread>
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#include <QStringList>
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#include <QTextStream>
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#include <QTime>
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#include <QApplication>
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#include <QUrl>
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#include <QSslCertificate>
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namespace Mirall {
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void csyncLogCatcher(int /*verbosity*/,
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const char */*function*/,
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const char *buffer,
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void */*userdata*/)
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{
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Logger::instance()->csyncLog( QString::fromUtf8(buffer) );
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}
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/* static variables to hold the credentials */
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QMutex CSyncThread::_mutex;
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QMutex CSyncThread::_syncMutex;
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CSyncThread::CSyncThread(CSYNC *csync, const QString &localPath, const QString &remotePath, SyncJournalDb *journal)
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{
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_mutex.lock();
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_localPath = localPath;
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_remotePath = remotePath;
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_csync_ctx = csync;
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_journal = journal;
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_mutex.unlock();
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qRegisterMetaType<SyncFileItem>("SyncFileItem");
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qRegisterMetaType<CSYNC_STATUS>("CSYNC_STATUS");
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}
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CSyncThread::~CSyncThread()
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{
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}
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//Convert an error code from csync to a user readable string.
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// Keep that function thread safe as it can be called from the sync thread or the main thread
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QString CSyncThread::csyncErrorToString(CSYNC_STATUS err)
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{
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QString errStr;
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switch( err ) {
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case CSYNC_STATUS_OK:
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errStr = tr("Success.");
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break;
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case CSYNC_STATUS_NO_LOCK:
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errStr = tr("CSync failed to create a lock file.");
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break;
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case CSYNC_STATUS_STATEDB_LOAD_ERROR:
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errStr = tr("CSync failed to load the state db.");
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break;
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case CSYNC_STATUS_STATEDB_WRITE_ERROR:
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errStr = tr("CSync failed to write the state db.");
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break;
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case CSYNC_STATUS_NO_MODULE:
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errStr = tr("<p>The %1 plugin for csync could not be loaded.<br/>Please verify the installation!</p>").arg(Theme::instance()->appNameGUI());
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break;
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case CSYNC_STATUS_TIMESKEW:
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errStr = tr("The system time on this client is different than the system time on the server. "
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"Please use a time synchronization service (NTP) on the server and client machines "
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"so that the times remain the same.");
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break;
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case CSYNC_STATUS_FILESYSTEM_UNKNOWN:
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errStr = tr("CSync could not detect the filesystem type.");
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break;
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case CSYNC_STATUS_TREE_ERROR:
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errStr = tr("CSync got an error while processing internal trees.");
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break;
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case CSYNC_STATUS_MEMORY_ERROR:
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errStr = tr("CSync failed to reserve memory.");
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break;
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case CSYNC_STATUS_PARAM_ERROR:
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errStr = tr("CSync fatal parameter error.");
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break;
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case CSYNC_STATUS_UPDATE_ERROR:
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errStr = tr("CSync processing step update failed.");
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break;
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case CSYNC_STATUS_RECONCILE_ERROR:
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errStr = tr("CSync processing step reconcile failed.");
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break;
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case CSYNC_STATUS_PROPAGATE_ERROR:
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errStr = tr("CSync processing step propagate failed.");
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break;
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case CSYNC_STATUS_REMOTE_ACCESS_ERROR:
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errStr = tr("<p>The target directory does not exist.</p><p>Please check the sync setup.</p>");
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break;
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case CSYNC_STATUS_REMOTE_CREATE_ERROR:
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case CSYNC_STATUS_REMOTE_STAT_ERROR:
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errStr = tr("A remote file can not be written. Please check the remote access.");
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break;
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case CSYNC_STATUS_LOCAL_CREATE_ERROR:
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case CSYNC_STATUS_LOCAL_STAT_ERROR:
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errStr = tr("The local filesystem can not be written. Please check permissions.");
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break;
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case CSYNC_STATUS_PROXY_ERROR:
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errStr = tr("CSync failed to connect through a proxy.");
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break;
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case CSYNC_STATUS_PROXY_AUTH_ERROR:
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errStr = tr("CSync could not authenticate at the proxy.");
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break;
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case CSYNC_STATUS_LOOKUP_ERROR:
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errStr = tr("CSync failed to lookup proxy or server.");
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break;
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case CSYNC_STATUS_SERVER_AUTH_ERROR:
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errStr = tr("CSync failed to authenticate at the %1 server.").arg(Theme::instance()->appNameGUI());
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break;
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case CSYNC_STATUS_CONNECT_ERROR:
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errStr = tr("CSync failed to connect to the network.");
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break;
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case CSYNC_STATUS_TIMEOUT:
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errStr = tr("A network connection timeout happend.");
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break;
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case CSYNC_STATUS_HTTP_ERROR:
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errStr = tr("A HTTP transmission error happened.");
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break;
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case CSYNC_STATUS_PERMISSION_DENIED:
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errStr = tr("CSync failed due to not handled permission deniend.");
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break;
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case CSYNC_STATUS_NOT_FOUND:
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errStr = tr("CSync failed to find a specific file.");
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break;
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case CSYNC_STATUS_FILE_EXISTS:
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errStr = tr("CSync tried to create a directory that already exists.");
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break;
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case CSYNC_STATUS_OUT_OF_SPACE:
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errStr = tr("CSync: No space on %1 server available.").arg(Theme::instance()->appNameGUI());
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break;
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case CSYNC_STATUS_QUOTA_EXCEEDED:
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errStr = tr("CSync: No space on %1 server available.").arg(Theme::instance()->appNameGUI());
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break;
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case CSYNC_STATUS_UNSUCCESSFUL:
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errStr = tr("CSync unspecified error.");
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break;
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case CSYNC_STATUS_ABORTED:
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errStr = tr("Aborted by the user");
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break;
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default:
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errStr = tr("An internal error number %1 happend.").arg( (int) err );
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}
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return errStr;
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}
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int CSyncThread::treewalkLocal( TREE_WALK_FILE* file, void *data )
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{
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return static_cast<CSyncThread*>(data)->treewalkFile( file, false );
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}
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int CSyncThread::treewalkRemote( TREE_WALK_FILE* file, void *data )
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{
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return static_cast<CSyncThread*>(data)->treewalkFile( file, true );
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}
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int CSyncThread::treewalkFile( TREE_WALK_FILE *file, bool remote )
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{
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if( ! file ) return -1;
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SyncFileItem item;
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item._file = QString::fromUtf8( file->path );
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item._originalFile = file->path;
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item._instruction = file->instruction;
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item._dir = SyncFileItem::None;
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if(file->error_string) {
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item._errorString = QString::fromUtf8(file->error_string);
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}
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item._isDirectory = file->type == CSYNC_FTW_TYPE_DIR;
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item._modtime = file->modtime;
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item._etag = file->md5;
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item._size = file->size;
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SyncFileItem::Direction dir;
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int re = 0;
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if (file->instruction != CSYNC_INSTRUCTION_IGNORE
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&& file->instruction != CSYNC_INSTRUCTION_REMOVE) {
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_hasFiles = true;
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}
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switch(file->instruction) {
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case CSYNC_INSTRUCTION_NONE:
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case CSYNC_INSTRUCTION_IGNORE:
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break;
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case CSYNC_INSTRUCTION_NEW:
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case CSYNC_INSTRUCTION_SYNC:
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case CSYNC_INSTRUCTION_CONFLICT:
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_progressInfo.overall_file_count++;
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_progressInfo.overall_transmission_size += file->size;
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//fall trough
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default:
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_needsUpdate = true;
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}
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switch(file->instruction) {
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case CSYNC_INSTRUCTION_NONE:
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if (item._isDirectory && remote) {
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// Because we want still to update etags of directories
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dir = SyncFileItem::None;
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} else {
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// No need to do anything.
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return re;
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}
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break;
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case CSYNC_INSTRUCTION_RENAME:
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dir = !remote ? SyncFileItem::Down : SyncFileItem::Up;
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item._renameTarget = QString::fromUtf8( file->rename_path );
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if (item._isDirectory)
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_renamedFolders.insert(item._file, item._renameTarget);
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break;
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case CSYNC_INSTRUCTION_REMOVE:
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dir = !remote ? SyncFileItem::Down : SyncFileItem::Up;
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break;
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case CSYNC_INSTRUCTION_CONFLICT:
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case CSYNC_INSTRUCTION_IGNORE:
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case CSYNC_INSTRUCTION_ERROR:
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dir = SyncFileItem::None;
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break;
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case CSYNC_INSTRUCTION_EVAL:
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case CSYNC_INSTRUCTION_NEW:
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case CSYNC_INSTRUCTION_SYNC:
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case CSYNC_INSTRUCTION_STAT_ERROR:
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case CSYNC_INSTRUCTION_DELETED:
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case CSYNC_INSTRUCTION_UPDATED:
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default:
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dir = remote ? SyncFileItem::Down : SyncFileItem::Up;
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break;
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}
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switch( file->type ) {
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case CSYNC_FTW_TYPE_DIR:
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item._type = SyncFileItem::Directory;
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break;
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case CSYNC_FTW_TYPE_FILE:
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item._type = SyncFileItem::File;
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break;
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case CSYNC_FTW_TYPE_SLINK:
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item._type = SyncFileItem::SoftLink;
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break;
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default:
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item._type = SyncFileItem::UnknownType;
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}
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item._dir = dir;
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_syncedItems.append(item);
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return re;
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}
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void CSyncThread::handleSyncError(CSYNC *ctx, const char *state) {
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CSYNC_STATUS err = CSYNC_STATUS(csync_get_status( ctx ));
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const char *errMsg = csync_get_status_string( ctx );
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QString errStr = csyncErrorToString(err);
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if( errMsg ) {
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errStr += QLatin1String("<br/>");
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errStr += QString::fromUtf8(errMsg);
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}
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qDebug() << " #### ERROR during "<< state << ": " << errStr;
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if( CSYNC_STATUS_IS_EQUAL( err, CSYNC_STATUS_SERVICE_UNAVAILABLE ) ||
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CSYNC_STATUS_IS_EQUAL( err, CSYNC_STATUS_CONNECT_ERROR )) {
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emit csyncUnavailable();
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} else {
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emit csyncError(errStr);
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}
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csync_commit(_csync_ctx);
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emit finished();
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_syncMutex.unlock();
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thread()->quit();
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}
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void CSyncThread::startSync()
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{
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if (!_syncMutex.tryLock()) {
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qDebug() << Q_FUNC_INFO << "WARNING: Another sync seems to be running. Not starting a new one.";
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return;
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}
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if( ! _csync_ctx ) {
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qDebug() << "XXXXXXXXXXXXXXXX FAIL: do not have csync_ctx!";
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}
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qDebug() << Q_FUNC_INFO << "Sync started";
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qDebug() << "starting to sync " << qApp->thread() << QThread::currentThread();
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_syncedItems.clear();
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_mutex.lock();
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_needsUpdate = false;
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if (!_abortRequested.fetchAndAddRelease(0)) {
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csync_resume(_csync_ctx);
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}
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_mutex.unlock();
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// maybe move this somewhere else where it can influence a running sync?
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MirallConfigFile cfg;
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int fileRecordCount = 0;
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if (!_journal->exists()) {
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qDebug() << "=====sync looks new (no DB exists), activating recursive PROPFIND if csync supports it";
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bool no_recursive_propfind = false;
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csync_set_module_property(_csync_ctx, "no_recursive_propfind", &no_recursive_propfind);
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} else if ((fileRecordCount = _journal->getFileRecordCount()) < 50) {
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qDebug() << "=====sync DB has only" << fileRecordCount << "items, enable recursive PROPFIND if csync supports it";
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bool no_recursive_propfind = false;
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csync_set_module_property(_csync_ctx, "no_recursive_propfind", &no_recursive_propfind);
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} else {
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qDebug() << "=====sync with existing DB";
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}
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csync_set_module_property(_csync_ctx, "csync_context", _csync_ctx);
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csync_set_userdata(_csync_ctx, this);
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// TODO: This should be a part of this method, but we don't have
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// any way to get "session_key" module property from csync. Had we
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// have it, then we could keep this code and remove it from
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// AbstractCredentials implementations.
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cfg.getCredentials()->syncContextPreStart(_csync_ctx);
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// if (_lastAuthCookies.length() > 0) {
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// // Stuff cookies inside csync, then we can avoid the intermediate HTTP 401 reply
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// // when https://github.com/owncloud/core/pull/4042 is merged.
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// QString cookiesAsString;
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// foreach(QNetworkCookie c, _lastAuthCookies) {
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// cookiesAsString += c.name();
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// cookiesAsString += '=';
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// cookiesAsString += c.value();
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// cookiesAsString += "; ";
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// }
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// csync_set_module_property(_csync_ctx, "session_key", cookiesAsString.to
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// }
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// csync_set_auth_callback( _csync_ctx, getauth );
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csync_set_log_callback( csyncLogCatcher );
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csync_set_log_level( 11 );
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_syncTime.start();
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QElapsedTimer updateTime;
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updateTime.start();
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qDebug() << "#### Update start #################################################### >>";
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if( csync_update(_csync_ctx) < 0 ) {
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handleSyncError(_csync_ctx, "csync_update");
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return;
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}
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qDebug() << "<<#### Update end #################################################### " << updateTime.elapsed();
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if( csync_reconcile(_csync_ctx) < 0 ) {
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handleSyncError(_csync_ctx, "csync_reconcile");
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return;
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}
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_progressInfo = Progress::Info();
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_hasFiles = false;
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bool walkOk = true;
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if( csync_walk_local_tree(_csync_ctx, &treewalkLocal, 0) < 0 ) {
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qDebug() << "Error in local treewalk.";
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walkOk = false;
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}
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if( walkOk && csync_walk_remote_tree(_csync_ctx, &treewalkRemote, 0) < 0 ) {
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qDebug() << "Error in remote treewalk.";
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}
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// Adjust the paths for the renames.
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for (SyncFileItemVector::iterator it = _syncedItems.begin();
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it != _syncedItems.end(); ++it) {
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it->_file = adjustRenamedPath(it->_file);
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}
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qSort(_syncedItems);
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if (!_hasFiles && !_syncedItems.isEmpty()) {
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qDebug() << Q_FUNC_INFO << "All the files are going to be removed, asking the user";
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bool cancel = false;
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emit aboutToRemoveAllFiles(_syncedItems.first()._dir, &cancel);
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if (cancel) {
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qDebug() << Q_FUNC_INFO << "Abort sync";
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return;
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}
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}
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if (_needsUpdate)
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emit(started());
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ne_session_s *session = 0;
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// that call to set property actually is a get which will return the session
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csync_set_module_property(_csync_ctx, "get_dav_session", &session);
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Q_ASSERT(session);
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_progressDataBase.load(_localPath);
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_propagator.reset(new OwncloudPropagator (session, _localPath, _remotePath,
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&_progressDataBase, &_abortRequested));
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connect(_propagator.data(), SIGNAL(completed(SyncFileItem)),
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this, SLOT(transferCompleted(SyncFileItem)), Qt::QueuedConnection);
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connect(_propagator.data(), SIGNAL(progress(Progress::Kind,QString,quint64,quint64)),
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this, SLOT(slotProgress(Progress::Kind,QString,quint64,quint64)));
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_iterator = 0;
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int downloadLimit = 0;
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if (cfg.useDownloadLimit()) {
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downloadLimit = cfg.downloadLimit() * 1000;
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}
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_propagator->_downloadLimit = downloadLimit;
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int uploadLimit = -75; // 75%
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int useUpLimit = cfg.useUploadLimit();
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if ( useUpLimit >= 1) {
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uploadLimit = cfg.uploadLimit() * 1000;
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} else if (useUpLimit == 0) {
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uploadLimit = 0;
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}
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_propagator->_uploadLimit = uploadLimit;
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slotProgress(Progress::StartSync, QString(), 0, 0);
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startNextTransfer();
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}
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void CSyncThread::transferCompleted(const SyncFileItem &item)
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{
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qDebug() << Q_FUNC_INFO << item._file << item._status << item._errorString;
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/* Update the _syncedItems vector */
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// Search for the item in the starting from _iterator because it should be a bit before it.
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// This works because SyncFileItem::operator== only compare the file name;
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int idx = _syncedItems.lastIndexOf(item, _iterator);
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if (idx >= 0) {
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_syncedItems[idx]._instruction = item._instruction;
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_syncedItems[idx]._errorString = item._errorString;
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_syncedItems[idx]._status = item._status;
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}
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/* Remember deleted directory */
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if (item._isDirectory && item._instruction == CSYNC_INSTRUCTION_DELETED) {
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_lastDeleted = item._file;
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} else {
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_lastDeleted.clear();
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}
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/* Update the database */
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if (item._instruction == CSYNC_INSTRUCTION_DELETED) {
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_journal->deleteFileRecord(item._file);
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if (!item._renameTarget.isEmpty()) {
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SyncJournalFileRecord record(item, _localPath + item._renameTarget);
|
|
record._path = item._renameTarget;
|
|
_journal->setFileRecord(record);
|
|
}
|
|
} else if(item._instruction == CSYNC_INSTRUCTION_ERROR) {
|
|
// Don't update parents directories
|
|
_directoriesToUpdate.clear();
|
|
} else if (item._isDirectory) {
|
|
// directory must not be saved to the db before we finished processing them.
|
|
SyncJournalFileRecord record(item, _localPath + item._file);
|
|
_directoriesToUpdate.push(record);
|
|
} else if(item._instruction == CSYNC_INSTRUCTION_UPDATED) {
|
|
SyncJournalFileRecord record(item, _localPath + item._file);
|
|
_journal->setFileRecord(record);
|
|
|
|
slotProgress((item._dir != SyncFileItem::Up) ? Progress::EndDownload : Progress::EndUpload,
|
|
item._file, item._size, item._size);
|
|
_progressInfo.current_file_no++;
|
|
_progressInfo.overall_current_bytes += item._size;
|
|
|
|
}
|
|
|
|
/* Start the transfer of the next file or abort if there is an error */
|
|
|
|
if (item._status != SyncFileItem::FatalError) {
|
|
startNextTransfer();
|
|
} else {
|
|
emit treeWalkResult(_syncedItems);
|
|
emit csyncError(item._errorString);
|
|
emit finished();
|
|
csync_commit(_csync_ctx);
|
|
_syncMutex.unlock();
|
|
thread()->quit();
|
|
}
|
|
}
|
|
|
|
void CSyncThread::startNextTransfer()
|
|
{
|
|
while (_iterator < _syncedItems.size()) {
|
|
const SyncFileItem &item = _syncedItems.at(_iterator);
|
|
++_iterator;
|
|
|
|
while (!_directoriesToUpdate.isEmpty() && !item._file.startsWith(_directoriesToUpdate.last()._path)) {
|
|
_journal->setFileRecord(_directoriesToUpdate.pop());
|
|
}
|
|
|
|
if (!_lastDeleted.isEmpty() && item._file.startsWith(_lastDeleted)
|
|
&& item._instruction == CSYNC_INSTRUCTION_REMOVE) {
|
|
// If the item's name starts with the name of the previously deleted directory, we
|
|
// can assume this file was already destroyed by the previous recursive call.
|
|
_journal->deleteFileRecord(item._file);
|
|
continue;
|
|
}
|
|
|
|
if (item._instruction == CSYNC_INSTRUCTION_SYNC || item._instruction == CSYNC_INSTRUCTION_NEW
|
|
|| item._instruction == CSYNC_INSTRUCTION_CONFLICT) {
|
|
slotProgress((item._dir != SyncFileItem::Up) ? Progress::StartDownload : Progress::StartUpload,
|
|
item._file, 0, item._size);
|
|
}
|
|
|
|
_propagator->propagate(item);
|
|
return; //propagate is async.
|
|
}
|
|
|
|
while (!_directoriesToUpdate.isEmpty()) {
|
|
_journal->setFileRecord(_directoriesToUpdate.pop());
|
|
}
|
|
|
|
// Everything is finished.
|
|
_progressDataBase.save(_localPath);
|
|
|
|
// emit the treewalk results.
|
|
emit treeWalkResult(_syncedItems);
|
|
|
|
csync_commit(_csync_ctx);
|
|
|
|
qDebug() << "CSync run took " << _syncTime.elapsed() << " Milliseconds";
|
|
slotProgress(Progress::EndSync,QString(), 0 , 0);
|
|
emit finished();
|
|
_propagator.reset(0);
|
|
_syncMutex.unlock();
|
|
thread()->quit();
|
|
}
|
|
|
|
Progress::Kind CSyncThread::csyncToProgressKind( enum csync_notify_type_e kind )
|
|
{
|
|
Progress::Kind pKind = Progress::Invalid;
|
|
|
|
switch(kind) {
|
|
case CSYNC_NOTIFY_INVALID:
|
|
pKind = Progress::Invalid;
|
|
break;
|
|
case CSYNC_NOTIFY_START_SYNC_SEQUENCE:
|
|
pKind = Progress::StartSync;
|
|
break;
|
|
case CSYNC_NOTIFY_START_DOWNLOAD:
|
|
pKind = Progress::StartDownload;
|
|
break;
|
|
case CSYNC_NOTIFY_START_UPLOAD:
|
|
pKind = Progress::StartUpload;
|
|
break;
|
|
case CSYNC_NOTIFY_PROGRESS:
|
|
pKind = Progress::Context;
|
|
break;
|
|
case CSYNC_NOTIFY_FINISHED_DOWNLOAD:
|
|
pKind = Progress::EndDownload;
|
|
break;
|
|
case CSYNC_NOTIFY_FINISHED_UPLOAD:
|
|
pKind = Progress::EndUpload;
|
|
break;
|
|
case CSYNC_NOTIFY_FINISHED_SYNC_SEQUENCE:
|
|
pKind = Progress::EndSync;
|
|
break;
|
|
case CSYNC_NOTIFY_START_DELETE:
|
|
pKind = Progress::StartDelete;
|
|
break;
|
|
case CSYNC_NOTIFY_END_DELETE:
|
|
pKind = Progress::EndDelete;
|
|
break;
|
|
case CSYNC_NOTIFY_ERROR:
|
|
pKind = Progress::Error;
|
|
break;
|
|
default:
|
|
pKind = Progress::Invalid;
|
|
break;
|
|
}
|
|
return pKind;
|
|
}
|
|
|
|
void CSyncThread::slotProgress(Progress::Kind kind, const QString &file, quint64 curr, quint64 total)
|
|
{
|
|
Progress::Info pInfo = _progressInfo;
|
|
|
|
pInfo.kind = kind;
|
|
pInfo.current_file = file;
|
|
pInfo.file_size = total;
|
|
pInfo.current_file_bytes = curr;
|
|
|
|
pInfo.overall_current_bytes += curr;
|
|
pInfo.timestamp = QDateTime::currentDateTime();
|
|
|
|
// Connect to something in folder!
|
|
transmissionProgress( pInfo );
|
|
}
|
|
|
|
/* Given a path on the remote, give the path as it is when the rename is done */
|
|
QString CSyncThread::adjustRenamedPath(const QString& original)
|
|
{
|
|
int slashPos = original.size();
|
|
while ((slashPos = original.lastIndexOf('/' , slashPos - 1)) > 0) {
|
|
QHash< QString, QString >::const_iterator it = _renamedFolders.constFind(original.left(slashPos));
|
|
if (it != _renamedFolders.constEnd()) {
|
|
return *it + original.mid(slashPos);
|
|
}
|
|
}
|
|
return original;
|
|
}
|
|
|
|
void CSyncThread::abort()
|
|
{
|
|
QMutexLocker locker(&_mutex);
|
|
csync_request_abort(_csync_ctx);
|
|
_abortRequested = true;
|
|
}
|
|
|
|
|
|
} // ns Mirall
|