mirror of
https://github.com/nextcloud/desktop.git
synced 2024-10-28 07:54:49 +03:00
371 lines
11 KiB
C++
371 lines
11 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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#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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/* 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)
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{
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_mutex.lock();
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_csync_ctx = csync;
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_mutex.unlock();
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}
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CSyncThread::~CSyncThread()
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{
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}
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QString CSyncThread::csyncErrorToString( CSYNC_ERROR_CODE err, const char *errString )
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{
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QString errStr;
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switch( err ) {
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case CSYNC_ERR_NONE:
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errStr = tr("Success.");
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break;
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case CSYNC_ERR_LOG:
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errStr = tr("CSync Logging setup failed.");
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break;
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case CSYNC_ERR_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_ERR_STATEDB_LOAD:
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errStr = tr("CSync failed to load the state db.");
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break;
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case CSYNC_ERR_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_ERR_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_ERR_FILESYSTEM:
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errStr = tr("CSync could not detect the filesystem type.");
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break;
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case CSYNC_ERR_TREE:
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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_ERR_MEM:
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errStr = tr("CSync failed to reserve memory.");
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break;
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case CSYNC_ERR_PARAM:
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errStr = tr("CSync fatal parameter error.");
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break;
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case CSYNC_ERR_UPDATE:
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errStr = tr("CSync processing step update failed.");
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break;
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case CSYNC_ERR_RECONCILE:
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errStr = tr("CSync processing step reconcile failed.");
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break;
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case CSYNC_ERR_PROPAGATE:
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errStr = tr("CSync processing step propagate failed.");
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break;
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case CSYNC_ERR_ACCESS_FAILED:
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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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// this is critical. The database has to be removed.
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emit wipeDb();
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break;
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case CSYNC_ERR_REMOTE_CREATE:
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case CSYNC_ERR_REMOTE_STAT:
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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_ERR_LOCAL_CREATE:
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case CSYNC_ERR_LOCAL_STAT:
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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_ERR_PROXY:
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errStr = tr("CSync failed to connect through a proxy.");
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break;
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case CSYNC_ERR_LOOKUP:
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errStr = tr("CSync failed to lookup proxy or server.");
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break;
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case CSYNC_ERR_AUTH_SERVER:
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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_ERR_AUTH_PROXY:
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errStr = tr("CSync failed to authenticate at the proxy.");
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break;
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case CSYNC_ERR_CONNECT:
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errStr = tr("CSync failed to connect to the network.");
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break;
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case CSYNC_ERR_TIMEOUT:
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errStr = tr("A network connection timeout happend.");
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break;
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case CSYNC_ERR_HTTP:
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errStr = tr("A HTTP transmission error happened.");
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break;
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case CSYNC_ERR_PERM:
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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_ERR_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_ERR_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_ERR_NOSPC:
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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_ERR_UNSPEC:
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errStr = tr("CSync unspecified error.");
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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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if( errString ) {
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errStr += tr("<br/>Backend Message: ")+QString::fromUtf8(errString);
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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::walkFinalize(TREE_WALK_FILE* file, void *data )
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{
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return static_cast<CSyncThread*>(data)->treewalkError( file);
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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._instruction = file->instruction;
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item._dir = SyncFileItem::None;
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SyncFileItem::Direction dir;
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int re = 0;
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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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default:
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if (!_needsUpdate)
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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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// No need to do anything.
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return re;
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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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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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item._dir = dir;
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_mutex.lock();
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_syncedItems.append(item);
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_mutex.unlock();
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return re;
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}
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int CSyncThread::treewalkError(TREE_WALK_FILE* file)
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{
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SyncFileItem item;
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item._file= QString::fromUtf8(file->path);
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int indx = _syncedItems.indexOf(item);
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if ( indx == -1 )
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return 0;
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if( file &&
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file->instruction == CSYNC_INSTRUCTION_STAT_ERROR ||
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file->instruction == CSYNC_INSTRUCTION_ERROR ) {
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_mutex.lock();
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_syncedItems[indx]._instruction = file->instruction;
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_mutex.unlock();
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}
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return 0;
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}
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struct CSyncRunScopeHelper {
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CSyncRunScopeHelper(CSYNC *ctx, CSyncThread *parent)
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: _ctx(ctx), _parent(parent)
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{
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_t.start();
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}
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~CSyncRunScopeHelper() {
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csync_commit(_ctx);
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qDebug() << "CSync run took " << _t.elapsed() << " Milliseconds";
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emit(_parent->finished());
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_parent->_syncMutex.unlock();
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}
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CSYNC *_ctx;
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QTime _t;
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CSyncThread *_parent;
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};
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void CSyncThread::handleSyncError(CSYNC *ctx, const char *state) {
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CSYNC_ERROR_CODE err = csync_get_error( ctx );
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const char *errMsg = csync_get_error_string( ctx );
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QString errStr = csyncErrorToString(err, errMsg);
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qDebug() << " #### ERROR during "<< state << ": " << errStr;
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switch (err) {
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case CSYNC_ERR_SERVICE_UNAVAILABLE:
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case CSYNC_ERR_CONNECT:
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emit csyncUnavailable();
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break;
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default:
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emit csyncError(errStr);
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}
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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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_mutex.lock();
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_syncedItems.clear();
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_needsUpdate = false;
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_mutex.unlock();
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// cleans up behind us and emits finished() to ease error handling
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CSyncRunScopeHelper helper(_csync_ctx, this);
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csync_set_userdata(_csync_ctx, this);
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// csync_set_auth_callback( _csync_ctx, getauth );
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csync_set_progress_callback( _csync_ctx, progress );
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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 ###########################################################";
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if( csync_reconcile(_csync_ctx) < 0 ) {
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handleSyncError(_csync_ctx, "cysnc_reconcile");
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return;
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}
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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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if (_needsUpdate)
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emit(started());
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if( csync_propagate(_csync_ctx) < 0 ) {
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handleSyncError(_csync_ctx, "cysnc_reconcile");
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return;
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}
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if( walkOk ) {
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if( csync_walk_local_tree(_csync_ctx, &walkFinalize, 0) < 0 ||
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csync_walk_remote_tree( _csync_ctx, &walkFinalize, 0 ) < 0 ) {
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qDebug() << "Error in finalize treewalk.";
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} else {
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// emit the treewalk results.
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emit treeWalkResult(_syncedItems);
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}
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}
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qDebug() << Q_FUNC_INFO << "Sync finished";
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}
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void CSyncThread::progress(const char *remote_url, enum csync_notify_type_e kind,
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long long o1, long long o2, void *userdata)
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{
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(void) o1; (void) o2;
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if (kind == CSYNC_NOTIFY_FINISHED_DOWNLOAD) {
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QString path = QUrl::fromEncoded(remote_url).toString();
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CSyncThread *thread = static_cast<CSyncThread*>(userdata);
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thread->fileReceived(path);
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}
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}
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}
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