nextcloud-desktop/src/common/syncjournaldb.cpp
2018-06-07 10:22:07 +02:00

2202 lines
71 KiB
C++

/*
* Copyright (C) by Klaas Freitag <freitag@owncloud.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <QCryptographicHash>
#include <QFile>
#include <QLoggingCategory>
#include <QStringList>
#include <QElapsedTimer>
#include <QUrl>
#include <QDir>
#include <sqlite3.h>
#include "common/syncjournaldb.h"
#include "version.h"
#include "filesystembase.h"
#include "common/asserts.h"
#include "common/checksums.h"
#include "common/c_jhash.h"
// SQL expression to check whether path.startswith(prefix + '/')
// Note: '/' + 1 == '0'
#define IS_PREFIX_PATH_OF(prefix, path) \
"(" path " > (" prefix "||'/') AND " path " < (" prefix "||'0'))"
#define IS_PREFIX_PATH_OR_EQUAL(prefix, path) \
"(" path " == " prefix " OR " IS_PREFIX_PATH_OF(prefix, path) ")"
namespace OCC {
Q_LOGGING_CATEGORY(lcDb, "nextcloud.sync.database", QtInfoMsg)
#define GET_FILE_RECORD_QUERY \
"SELECT path, inode, modtime, type, md5, fileid, remotePerm, filesize," \
" ignoredChildrenRemote, contentchecksumtype.name || ':' || contentChecksum, e2eMangledName " \
" FROM metadata" \
" LEFT JOIN checksumtype as contentchecksumtype ON metadata.contentChecksumTypeId == contentchecksumtype.id"
static void fillFileRecordFromGetQuery(SyncJournalFileRecord &rec, SqlQuery &query)
{
rec._path = query.baValue(0);
rec._inode = query.int64Value(1);
rec._modtime = query.int64Value(2);
rec._type = static_cast<ItemType>(query.intValue(3));
rec._etag = query.baValue(4);
rec._fileId = query.baValue(5);
rec._remotePerm = RemotePermissions(query.baValue(6).constData());
rec._fileSize = query.int64Value(7);
rec._serverHasIgnoredFiles = (query.intValue(8) > 0);
rec._checksumHeader = query.baValue(9);
rec._e2eMangledName = query.baValue(10);
}
static QString defaultJournalMode(const QString &dbPath)
{
#if defined(Q_OS_WIN)
// See #2693: Some exFAT file systems seem unable to cope with the
// WAL journaling mode. They work fine with DELETE.
QString fileSystem = FileSystem::fileSystemForPath(dbPath);
qCInfo(lcDb) << "Detected filesystem" << fileSystem << "for" << dbPath;
if (fileSystem.contains("FAT")) {
qCInfo(lcDb) << "Filesystem contains FAT - using DELETE journal mode";
return "DELETE";
}
#elif defined(Q_OS_MAC)
if (dbPath.startsWith("/Volumes/")) {
qCInfo(lcDb) << "Mounted sync dir, do not use WAL for" << dbPath;
return "DELETE";
}
#else
Q_UNUSED(dbPath)
#endif
return "WAL";
}
SyncJournalDb::SyncJournalDb(const QString &dbFilePath, QObject *parent)
: QObject(parent)
, _dbFile(dbFilePath)
, _mutex(QMutex::Recursive)
, _transaction(0)
, _metadataTableIsEmpty(false)
{
// Allow forcing the journal mode for debugging
static QString envJournalMode = QString::fromLocal8Bit(qgetenv("OWNCLOUD_SQLITE_JOURNAL_MODE"));
_journalMode = envJournalMode;
if (_journalMode.isEmpty()) {
_journalMode = defaultJournalMode(_dbFile);
}
}
QString SyncJournalDb::makeDbName(const QString &localPath,
const QUrl &remoteUrl,
const QString &remotePath,
const QString &user)
{
QString journalPath = QLatin1String("._sync_");
QString key = QString::fromUtf8("%1@%2:%3").arg(user, remoteUrl.toString(), remotePath);
QByteArray ba = QCryptographicHash::hash(key.toUtf8(), QCryptographicHash::Md5);
journalPath.append(ba.left(6).toHex());
journalPath.append(".db");
// If the journal doesn't exist and we can't create a file
// at that location, try again with a journal name that doesn't
// have the ._ prefix.
//
// The disadvantage of that filename is that it will only be ignored
// by client versions >2.3.2.
//
// See #5633: "._*" is often forbidden on samba shared folders.
// If it exists already, the path is clearly usable
QFile file(QDir(localPath).filePath(journalPath));
if (file.exists()) {
return journalPath;
}
// Try to create a file there
if (file.open(QIODevice::ReadWrite)) {
// Ok, all good.
file.close();
file.remove();
return journalPath;
}
// Can we create it if we drop the underscore?
QString alternateJournalPath = journalPath.mid(2).prepend(".");
QFile file2(QDir(localPath).filePath(alternateJournalPath));
if (file2.open(QIODevice::ReadWrite)) {
// The alternative worked, use it
qCInfo(lcDb) << "Using alternate database path" << alternateJournalPath;
file2.close();
file2.remove();
return alternateJournalPath;
}
// Neither worked, just keep the original and throw errors later
qCWarning(lcDb) << "Could not find a writable database path" << file.fileName();
return journalPath;
}
bool SyncJournalDb::maybeMigrateDb(const QString &localPath, const QString &absoluteJournalPath)
{
const QString oldDbName = localPath + QLatin1String(".csync_journal.db");
if (!FileSystem::fileExists(oldDbName)) {
return true;
}
const QString oldDbNameShm = oldDbName + "-shm";
const QString oldDbNameWal = oldDbName + "-wal";
const QString newDbName = absoluteJournalPath;
const QString newDbNameShm = newDbName + "-shm";
const QString newDbNameWal = newDbName + "-wal";
// Whenever there is an old db file, migrate it to the new db path.
// This is done to make switching from older versions to newer versions
// work correctly even if the user had previously used a new version
// and therefore already has an (outdated) new-style db file.
QString error;
if (FileSystem::fileExists(newDbName)) {
if (!FileSystem::remove(newDbName, &error)) {
qCWarning(lcDb) << "Database migration: Could not remove db file" << newDbName
<< "due to" << error;
return false;
}
}
if (FileSystem::fileExists(newDbNameWal)) {
if (!FileSystem::remove(newDbNameWal, &error)) {
qCWarning(lcDb) << "Database migration: Could not remove db WAL file" << newDbNameWal
<< "due to" << error;
return false;
}
}
if (FileSystem::fileExists(newDbNameShm)) {
if (!FileSystem::remove(newDbNameShm, &error)) {
qCWarning(lcDb) << "Database migration: Could not remove db SHM file" << newDbNameShm
<< "due to" << error;
return false;
}
}
if (!FileSystem::rename(oldDbName, newDbName, &error)) {
qCWarning(lcDb) << "Database migration: could not rename " << oldDbName
<< "to" << newDbName << ":" << error;
return false;
}
if (!FileSystem::rename(oldDbNameWal, newDbNameWal, &error)) {
qCWarning(lcDb) << "Database migration: could not rename " << oldDbNameWal
<< "to" << newDbNameWal << ":" << error;
return false;
}
if (!FileSystem::rename(oldDbNameShm, newDbNameShm, &error)) {
qCWarning(lcDb) << "Database migration: could not rename " << oldDbNameShm
<< "to" << newDbNameShm << ":" << error;
return false;
}
qCInfo(lcDb) << "Journal successfully migrated from" << oldDbName << "to" << newDbName;
return true;
}
bool SyncJournalDb::exists()
{
QMutexLocker locker(&_mutex);
return (!_dbFile.isEmpty() && QFile::exists(_dbFile));
}
QString SyncJournalDb::databaseFilePath() const
{
return _dbFile;
}
// Note that this does not change the size of the -wal file, but it is supposed to make
// the normal .db faster since the changes from the wal will be incorporated into it.
// Then the next sync (and the SocketAPI) will have a faster access.
void SyncJournalDb::walCheckpoint()
{
QElapsedTimer t;
t.start();
SqlQuery pragma1(_db);
pragma1.prepare("PRAGMA wal_checkpoint(FULL);");
if (pragma1.exec()) {
qCDebug(lcDb) << "took" << t.elapsed() << "msec";
}
}
void SyncJournalDb::startTransaction()
{
if (_transaction == 0) {
if (!_db.transaction()) {
qCWarning(lcDb) << "ERROR starting transaction: " << _db.error();
return;
}
_transaction = 1;
} else {
qCDebug(lcDb) << "Database Transaction is running, not starting another one!";
}
}
void SyncJournalDb::commitTransaction()
{
if (_transaction == 1) {
if (!_db.commit()) {
qCWarning(lcDb) << "ERROR committing to the database: " << _db.error();
return;
}
_transaction = 0;
} else {
qCDebug(lcDb) << "No database Transaction to commit";
}
}
bool SyncJournalDb::sqlFail(const QString &log, const SqlQuery &query)
{
commitTransaction();
qCWarning(lcDb) << "SQL Error" << log << query.error();
ASSERT(false);
_db.close();
return false;
}
bool SyncJournalDb::checkConnect()
{
if (_db.isOpen()) {
// Unfortunately the sqlite isOpen check can return true even when the underlying storage
// has become unavailable - and then some operations may cause crashes. See #6049
if (!QFile::exists(_dbFile)) {
qCWarning(lcDb) << "Database open, but file " + _dbFile + " does not exist";
close();
return false;
}
return true;
}
if (_dbFile.isEmpty()) {
qCWarning(lcDb) << "Database filename" + _dbFile + " is empty";
return false;
}
// The database file is created by this call (SQLITE_OPEN_CREATE)
if (!_db.openOrCreateReadWrite(_dbFile)) {
QString error = _db.error();
qCWarning(lcDb) << "Error opening the db: " << error;
return false;
}
if (!QFile::exists(_dbFile)) {
qCWarning(lcDb) << "Database file" + _dbFile + " does not exist";
return false;
}
SqlQuery pragma1(_db);
pragma1.prepare("SELECT sqlite_version();");
if (!pragma1.exec()) {
return sqlFail("SELECT sqlite_version()", pragma1);
} else {
pragma1.next();
qCInfo(lcDb) << "sqlite3 version" << pragma1.stringValue(0);
}
pragma1.prepare(QString("PRAGMA journal_mode=%1;").arg(_journalMode));
if (!pragma1.exec()) {
return sqlFail("Set PRAGMA journal_mode", pragma1);
} else {
pragma1.next();
qCInfo(lcDb) << "sqlite3 journal_mode=" << pragma1.stringValue(0);
}
// For debugging purposes, allow temp_store to be set
static QString env_temp_store = QString::fromLocal8Bit(qgetenv("OWNCLOUD_SQLITE_TEMP_STORE"));
if (!env_temp_store.isEmpty()) {
pragma1.prepare(QString("PRAGMA temp_store = %1;").arg(env_temp_store));
if (!pragma1.exec()) {
return sqlFail("Set PRAGMA temp_store", pragma1);
}
qCInfo(lcDb) << "sqlite3 with temp_store =" << env_temp_store;
}
pragma1.prepare("PRAGMA synchronous = 1;");
if (!pragma1.exec()) {
return sqlFail("Set PRAGMA synchronous", pragma1);
}
pragma1.prepare("PRAGMA case_sensitive_like = ON;");
if (!pragma1.exec()) {
return sqlFail("Set PRAGMA case_sensitivity", pragma1);
}
/* Because insert is so slow, we do everything in a transaction, and only need one call to commit */
startTransaction();
SqlQuery createQuery(_db);
createQuery.prepare("CREATE TABLE IF NOT EXISTS metadata("
"phash INTEGER(8),"
"pathlen INTEGER,"
"path VARCHAR(4096),"
"inode INTEGER,"
"uid INTEGER,"
"gid INTEGER,"
"mode INTEGER,"
"modtime INTEGER(8),"
"type INTEGER,"
"md5 VARCHAR(32)," /* This is the etag. Called md5 for compatibility */
// updateDatabaseStructure() will add
// fileid
// remotePerm
// filesize
// ignoredChildrenRemote
// contentChecksum
// contentChecksumTypeId
"PRIMARY KEY(phash)"
");");
#ifndef SQLITE_IOERR_SHMMAP
// Requires sqlite >= 3.7.7 but old CentOS6 has sqlite-3.6.20
// Definition taken from https://sqlite.org/c3ref/c_abort_rollback.html
#define SQLITE_IOERR_SHMMAP (SQLITE_IOERR | (21<<8))
#endif
if (!createQuery.exec()) {
// In certain situations the io error can be avoided by switching
// to the DELETE journal mode, see #5723
if (_journalMode != "DELETE"
&& createQuery.errorId() == SQLITE_IOERR
&& sqlite3_extended_errcode(_db.sqliteDb()) == SQLITE_IOERR_SHMMAP) {
qCWarning(lcDb) << "IO error SHMMAP on table creation, attempting with DELETE journal mode";
_journalMode = "DELETE";
createQuery.finish();
pragma1.finish();
commitTransaction();
_db.close();
return checkConnect();
}
return sqlFail("Create table metadata", createQuery);
}
createQuery.prepare("CREATE TABLE IF NOT EXISTS downloadinfo("
"path VARCHAR(4096),"
"tmpfile VARCHAR(4096),"
"etag VARCHAR(32),"
"errorcount INTEGER,"
"PRIMARY KEY(path)"
");");
if (!createQuery.exec()) {
return sqlFail("Create table downloadinfo", createQuery);
}
createQuery.prepare("CREATE TABLE IF NOT EXISTS uploadinfo("
"path VARCHAR(4096),"
"chunk INTEGER,"
"transferid INTEGER,"
"errorcount INTEGER,"
"size INTEGER(8),"
"modtime INTEGER(8),"
"contentChecksum TEXT,"
"PRIMARY KEY(path)"
");");
if (!createQuery.exec()) {
return sqlFail("Create table uploadinfo", createQuery);
}
// create the blacklist table.
createQuery.prepare("CREATE TABLE IF NOT EXISTS blacklist ("
"path VARCHAR(4096),"
"lastTryEtag VARCHAR[32],"
"lastTryModtime INTEGER[8],"
"retrycount INTEGER,"
"errorstring VARCHAR[4096],"
"PRIMARY KEY(path)"
");");
if (!createQuery.exec()) {
return sqlFail("Create table blacklist", createQuery);
}
createQuery.prepare("CREATE TABLE IF NOT EXISTS poll("
"path VARCHAR(4096),"
"modtime INTEGER(8),"
"pollpath VARCHAR(4096));");
if (!createQuery.exec()) {
return sqlFail("Create table poll", createQuery);
}
// create the selectivesync table.
createQuery.prepare("CREATE TABLE IF NOT EXISTS selectivesync ("
"path VARCHAR(4096),"
"type INTEGER"
");");
if (!createQuery.exec()) {
return sqlFail("Create table selectivesync", createQuery);
}
// create the checksumtype table.
createQuery.prepare("CREATE TABLE IF NOT EXISTS checksumtype("
"id INTEGER PRIMARY KEY,"
"name TEXT UNIQUE"
");");
if (!createQuery.exec()) {
return sqlFail("Create table version", createQuery);
}
// create the datafingerprint table.
createQuery.prepare("CREATE TABLE IF NOT EXISTS datafingerprint("
"fingerprint TEXT UNIQUE"
");");
if (!createQuery.exec()) {
return sqlFail("Create table datafingerprint", createQuery);
}
// create the conflicts table.
createQuery.prepare("CREATE TABLE IF NOT EXISTS conflicts("
"path TEXT PRIMARY KEY,"
"baseFileId TEXT,"
"baseEtag TEXT,"
"baseModtime INTEGER"
");");
if (!createQuery.exec()) {
return sqlFail("Create table conflicts", createQuery);
}
createQuery.prepare("CREATE TABLE IF NOT EXISTS version("
"major INTEGER(8),"
"minor INTEGER(8),"
"patch INTEGER(8),"
"custom VARCHAR(256)"
");");
if (!createQuery.exec()) {
return sqlFail("Create table version", createQuery);
}
bool forceRemoteDiscovery = false;
SqlQuery versionQuery("SELECT major, minor, patch FROM version;", _db);
if (!versionQuery.next()) {
// If there was no entry in the table, it means we are likely upgrading from 1.5
qCInfo(lcDb) << "possibleUpgradeFromMirall_1_5 detected!";
forceRemoteDiscovery = true;
createQuery.prepare("INSERT INTO version VALUES (?1, ?2, ?3, ?4);");
createQuery.bindValue(1, MIRALL_VERSION_MAJOR);
createQuery.bindValue(2, MIRALL_VERSION_MINOR);
createQuery.bindValue(3, MIRALL_VERSION_PATCH);
createQuery.bindValue(4, MIRALL_VERSION_BUILD);
if (!createQuery.exec()) {
return sqlFail("Update version", createQuery);
}
} else {
int major = versionQuery.intValue(0);
int minor = versionQuery.intValue(1);
int patch = versionQuery.intValue(2);
if (major == 1 && minor == 8 && (patch == 0 || patch == 1)) {
qCInfo(lcDb) << "possibleUpgradeFromMirall_1_8_0_or_1 detected!";
forceRemoteDiscovery = true;
}
// There was a bug in versions <2.3.0 that could lead to stale
// local files and a remote discovery will fix them.
// See #5190 #5242.
if (major == 2 && minor < 3) {
qCInfo(lcDb) << "upgrade form client < 2.3.0 detected! forcing remote discovery";
forceRemoteDiscovery = true;
}
// Not comparing the BUILD id here, correct?
if (!(major == MIRALL_VERSION_MAJOR && minor == MIRALL_VERSION_MINOR && patch == MIRALL_VERSION_PATCH)) {
createQuery.prepare("UPDATE version SET major=?1, minor=?2, patch =?3, custom=?4 "
"WHERE major=?5 AND minor=?6 AND patch=?7;");
createQuery.bindValue(1, MIRALL_VERSION_MAJOR);
createQuery.bindValue(2, MIRALL_VERSION_MINOR);
createQuery.bindValue(3, MIRALL_VERSION_PATCH);
createQuery.bindValue(4, MIRALL_VERSION_BUILD);
createQuery.bindValue(5, major);
createQuery.bindValue(6, minor);
createQuery.bindValue(7, patch);
if (!createQuery.exec()) {
return sqlFail("Update version", createQuery);
}
}
}
commitInternal("checkConnect");
bool rc = updateDatabaseStructure();
if (!rc) {
qCWarning(lcDb) << "Failed to update the database structure!";
}
/*
* If we are upgrading from a client version older than 1.5,
* we cannot read from the database because we need to fetch the files id and etags.
*
* If 1.8.0 caused missing data in the local tree, so we also don't read from DB
* to get back the files that were gone.
* In 1.8.1 we had a fix to re-get the data, but this one here is better
*/
if (forceRemoteDiscovery) {
forceRemoteDiscoveryNextSyncLocked();
}
_getFileRecordQuery.reset(new SqlQuery(_db));
if (_getFileRecordQuery->prepare(
GET_FILE_RECORD_QUERY
" WHERE phash=?1")) {
return sqlFail("prepare _getFileRecordQuery", *_getFileRecordQuery);
}
_getFileRecordQueryByMangledName.reset(new SqlQuery(_db));
if (_getFileRecordQueryByMangledName->prepare(
GET_FILE_RECORD_QUERY
" WHERE e2eMangledName=?1")) {
return sqlFail("prepare _getFileRecordQueryByMangledName", *_getFileRecordQueryByMangledName);
}
_getFileRecordQueryByInode.reset(new SqlQuery(_db));
if (_getFileRecordQueryByInode->prepare(
GET_FILE_RECORD_QUERY
" WHERE inode=?1")) {
return sqlFail("prepare _getFileRecordQueryByInode", *_getFileRecordQueryByInode);
}
_getFileRecordQueryByFileId.reset(new SqlQuery(_db));
if (_getFileRecordQueryByFileId->prepare(
GET_FILE_RECORD_QUERY
" WHERE fileid=?1")) {
return sqlFail("prepare _getFileRecordQueryByFileId", *_getFileRecordQueryByFileId);
}
// This query is used to skip discovery and fill the tree from the
// database instead
_getFilesBelowPathQuery.reset(new SqlQuery(_db));
if (_getFilesBelowPathQuery->prepare(
// We want to ensure that the contents of a directory are sorted
// directly behind the directory itself. Without this ORDER BY
// an ordering like foo, foo-2, foo/file would be returned.
// With the trailing /, we get foo-2, foo, foo/file. This property
// is used in fill_tree_from_db().
GET_FILE_RECORD_QUERY
" WHERE " IS_PREFIX_PATH_OF("?1", "path") " ORDER BY path||'/' ASC")) {
return sqlFail("prepare _getFilesBelowPathQuery", *_getFilesBelowPathQuery);
}
_getAllFilesQuery.reset(new SqlQuery(_db));
if (_getAllFilesQuery->prepare(
GET_FILE_RECORD_QUERY
" ORDER BY path||'/' ASC")) {
return sqlFail("prepare _getAllFilesQuery", *_getAllFilesQuery);
}
_setFileRecordQuery.reset(new SqlQuery(_db));
if (_setFileRecordQuery->prepare("INSERT OR REPLACE INTO metadata "
"(phash, pathlen, path, inode, uid, gid, mode, modtime, type, md5, fileid, remotePerm, filesize, ignoredChildrenRemote, contentChecksum, contentChecksumTypeId, e2eMangledName) "
"VALUES (?1 , ?2, ?3 , ?4 , ?5 , ?6 , ?7, ?8 , ?9 , ?10, ?11, ?12, ?13, ?14, ?15, ?16, ?17);")) {
return sqlFail("prepare _setFileRecordQuery", *_setFileRecordQuery);
}
_setFileRecordChecksumQuery.reset(new SqlQuery(_db));
if (_setFileRecordChecksumQuery->prepare(
"UPDATE metadata"
" SET contentChecksum = ?2, contentChecksumTypeId = ?3"
" WHERE phash == ?1;")) {
return sqlFail("prepare _setFileRecordChecksumQuery", *_setFileRecordChecksumQuery);
}
_setFileRecordLocalMetadataQuery.reset(new SqlQuery(_db));
if (_setFileRecordLocalMetadataQuery->prepare(
"UPDATE metadata"
" SET inode=?2, modtime=?3, filesize=?4"
" WHERE phash == ?1;")) {
return sqlFail("prepare _setFileRecordLocalMetadataQuery", *_setFileRecordLocalMetadataQuery);
}
_getDownloadInfoQuery.reset(new SqlQuery(_db));
if (_getDownloadInfoQuery->prepare("SELECT tmpfile, etag, errorcount FROM "
"downloadinfo WHERE path=?1")) {
return sqlFail("prepare _getDownloadInfoQuery", *_getDownloadInfoQuery);
}
_setDownloadInfoQuery.reset(new SqlQuery(_db));
if (_setDownloadInfoQuery->prepare("INSERT OR REPLACE INTO downloadinfo "
"(path, tmpfile, etag, errorcount) "
"VALUES ( ?1 , ?2, ?3, ?4 )")) {
return sqlFail("prepare _setDownloadInfoQuery", *_setDownloadInfoQuery);
}
_deleteDownloadInfoQuery.reset(new SqlQuery(_db));
if (_deleteDownloadInfoQuery->prepare("DELETE FROM downloadinfo WHERE path=?1")) {
return sqlFail("prepare _deleteDownloadInfoQuery", *_deleteDownloadInfoQuery);
}
_getUploadInfoQuery.reset(new SqlQuery(_db));
if (_getUploadInfoQuery->prepare("SELECT chunk, transferid, errorcount, size, modtime, contentChecksum FROM "
"uploadinfo WHERE path=?1")) {
return sqlFail("prepare _getUploadInfoQuery", *_getUploadInfoQuery);
}
_setUploadInfoQuery.reset(new SqlQuery(_db));
if (_setUploadInfoQuery->prepare("INSERT OR REPLACE INTO uploadinfo "
"(path, chunk, transferid, errorcount, size, modtime, contentChecksum) "
"VALUES ( ?1 , ?2, ?3 , ?4 , ?5, ?6 , ?7 )")) {
return sqlFail("prepare _setUploadInfoQuery", *_setUploadInfoQuery);
}
_deleteUploadInfoQuery.reset(new SqlQuery(_db));
if (_deleteUploadInfoQuery->prepare("DELETE FROM uploadinfo WHERE path=?1")) {
return sqlFail("prepare _deleteUploadInfoQuery", *_deleteUploadInfoQuery);
}
_deleteFileRecordPhash.reset(new SqlQuery(_db));
if (_deleteFileRecordPhash->prepare("DELETE FROM metadata WHERE phash=?1")) {
return sqlFail("prepare _deleteFileRecordPhash", *_deleteFileRecordPhash);
}
_deleteFileRecordRecursively.reset(new SqlQuery(_db));
if (_deleteFileRecordRecursively->prepare("DELETE FROM metadata WHERE " IS_PREFIX_PATH_OF("?1", "path"))) {
return sqlFail("prepare _deleteFileRecordRecursively", *_deleteFileRecordRecursively);
}
QString sql("SELECT lastTryEtag, lastTryModtime, retrycount, errorstring, lastTryTime, ignoreDuration, renameTarget, errorCategory "
"FROM blacklist WHERE path=?1");
if (Utility::fsCasePreserving()) {
// if the file system is case preserving we have to check the blacklist
// case insensitively
sql += QLatin1String(" COLLATE NOCASE");
}
_getErrorBlacklistQuery.reset(new SqlQuery(_db));
if (_getErrorBlacklistQuery->prepare(sql)) {
return sqlFail("prepare _getErrorBlacklistQuery", *_getErrorBlacklistQuery);
}
_setErrorBlacklistQuery.reset(new SqlQuery(_db));
if (_setErrorBlacklistQuery->prepare("INSERT OR REPLACE INTO blacklist "
"(path, lastTryEtag, lastTryModtime, retrycount, errorstring, lastTryTime, ignoreDuration, renameTarget, errorCategory) "
"VALUES ( ?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9)")) {
return sqlFail("prepare _setErrorBlacklistQuery", *_setErrorBlacklistQuery);
}
_getSelectiveSyncListQuery.reset(new SqlQuery(_db));
if (_getSelectiveSyncListQuery->prepare("SELECT path FROM selectivesync WHERE type=?1")) {
return sqlFail("prepare _getSelectiveSyncListQuery", *_getSelectiveSyncListQuery);
}
_getChecksumTypeIdQuery.reset(new SqlQuery(_db));
if (_getChecksumTypeIdQuery->prepare("SELECT id FROM checksumtype WHERE name=?1")) {
return sqlFail("prepare _getChecksumTypeIdQuery", *_getChecksumTypeIdQuery);
}
_getChecksumTypeQuery.reset(new SqlQuery(_db));
if (_getChecksumTypeQuery->prepare("SELECT name FROM checksumtype WHERE id=?1")) {
return sqlFail("prepare _getChecksumTypeQuery", *_getChecksumTypeQuery);
}
_insertChecksumTypeQuery.reset(new SqlQuery(_db));
if (_insertChecksumTypeQuery->prepare("INSERT OR IGNORE INTO checksumtype (name) VALUES (?1)")) {
return sqlFail("prepare _insertChecksumTypeQuery", *_insertChecksumTypeQuery);
}
_getDataFingerprintQuery.reset(new SqlQuery(_db));
if (_getDataFingerprintQuery->prepare("SELECT fingerprint FROM datafingerprint")) {
return sqlFail("prepare _getDataFingerprintQuery", *_getDataFingerprintQuery);
}
_setDataFingerprintQuery1.reset(new SqlQuery(_db));
if (_setDataFingerprintQuery1->prepare("DELETE FROM datafingerprint;")) {
return sqlFail("prepare _setDataFingerprintQuery1", *_setDataFingerprintQuery1);
}
_setDataFingerprintQuery2.reset(new SqlQuery(_db));
if (_setDataFingerprintQuery2->prepare("INSERT INTO datafingerprint (fingerprint) VALUES (?1);")) {
return sqlFail("prepare _setDataFingerprintQuery2", *_setDataFingerprintQuery2);
}
_getConflictRecordQuery.reset(new SqlQuery(_db));
if (_getConflictRecordQuery->prepare("SELECT baseFileId, baseModtime, baseEtag FROM conflicts WHERE path=?1;")) {
return sqlFail("prepare _getConflictRecordQuery", *_getConflictRecordQuery);
}
_setConflictRecordQuery.reset(new SqlQuery(_db));
if (_setConflictRecordQuery->prepare("INSERT OR REPLACE INTO conflicts "
"(path, baseFileId, baseModtime, baseEtag) "
"VALUES (?1, ?2, ?3, ?4);")) {
return sqlFail("prepare _setConflictRecordQuery", *_setConflictRecordQuery);
}
_deleteConflictRecordQuery.reset(new SqlQuery(_db));
if (_deleteConflictRecordQuery->prepare("DELETE FROM conflicts WHERE path=?1;")) {
return sqlFail("prepare _deleteConflictRecordQuery", *_deleteConflictRecordQuery);
}
// don't start a new transaction now
commitInternal(QString("checkConnect End"), false);
// This avoid reading from the DB if we already know it is empty
// thereby speeding up the initial discovery significantly.
_metadataTableIsEmpty = (getFileRecordCount() == 0);
// Hide 'em all!
FileSystem::setFileHidden(databaseFilePath(), true);
FileSystem::setFileHidden(databaseFilePath() + "-wal", true);
FileSystem::setFileHidden(databaseFilePath() + "-shm", true);
FileSystem::setFileHidden(databaseFilePath() + "-journal", true);
return rc;
}
void SyncJournalDb::close()
{
QMutexLocker locker(&_mutex);
qCInfo(lcDb) << "Closing DB" << _dbFile;
commitTransaction();
_getFileRecordQuery.reset(0);
_getFileRecordQueryByMangledName.reset(0);
_getFileRecordQueryByInode.reset(0);
_getFileRecordQueryByFileId.reset(0);
_getFilesBelowPathQuery.reset(0);
_getAllFilesQuery.reset(0);
_setFileRecordQuery.reset(0);
_setFileRecordChecksumQuery.reset(0);
_setFileRecordLocalMetadataQuery.reset(0);
_getDownloadInfoQuery.reset(0);
_setDownloadInfoQuery.reset(0);
_deleteDownloadInfoQuery.reset(0);
_getUploadInfoQuery.reset(0);
_setUploadInfoQuery.reset(0);
_deleteUploadInfoQuery.reset(0);
_deleteFileRecordPhash.reset(0);
_deleteFileRecordRecursively.reset(0);
_getErrorBlacklistQuery.reset(0);
_setErrorBlacklistQuery.reset(0);
_getSelectiveSyncListQuery.reset(0);
_getChecksumTypeIdQuery.reset(0);
_getChecksumTypeQuery.reset(0);
_insertChecksumTypeQuery.reset(0);
_getDataFingerprintQuery.reset(0);
_setDataFingerprintQuery1.reset(0);
_setDataFingerprintQuery2.reset(0);
_getConflictRecordQuery.reset(0);
_setConflictRecordQuery.reset(0);
_deleteConflictRecordQuery.reset(0);
_db.close();
_avoidReadFromDbOnNextSyncFilter.clear();
_metadataTableIsEmpty = false;
}
bool SyncJournalDb::updateDatabaseStructure()
{
if (!updateMetadataTableStructure())
return false;
if (!updateErrorBlacklistTableStructure())
return false;
return true;
}
bool SyncJournalDb::updateMetadataTableStructure()
{
const QStringList columns = tableColumns("metadata");
bool re = true;
// check if the file_id column is there and create it if not
if (!checkConnect()) {
return false;
}
if (columns.indexOf(QLatin1String("fileid")) == -1) {
SqlQuery query(_db);
query.prepare("ALTER TABLE metadata ADD COLUMN fileid VARCHAR(128);");
if (!query.exec()) {
sqlFail("updateMetadataTableStructure: Add column fileid", query);
re = false;
}
query.prepare("CREATE INDEX metadata_file_id ON metadata(fileid);");
if (!query.exec()) {
sqlFail("updateMetadataTableStructure: create index fileid", query);
re = false;
}
commitInternal("update database structure: add fileid col");
}
if (columns.indexOf(QLatin1String("remotePerm")) == -1) {
SqlQuery query(_db);
query.prepare("ALTER TABLE metadata ADD COLUMN remotePerm VARCHAR(128);");
if (!query.exec()) {
sqlFail("updateMetadataTableStructure: add column remotePerm", query);
re = false;
}
commitInternal("update database structure (remotePerm)");
}
if (columns.indexOf(QLatin1String("filesize")) == -1) {
SqlQuery query(_db);
query.prepare("ALTER TABLE metadata ADD COLUMN filesize BIGINT;");
if (!query.exec()) {
sqlFail("updateDatabaseStructure: add column filesize", query);
re = false;
}
commitInternal("update database structure: add filesize col");
}
if (1) {
SqlQuery query(_db);
query.prepare("CREATE INDEX IF NOT EXISTS metadata_inode ON metadata(inode);");
if (!query.exec()) {
sqlFail("updateMetadataTableStructure: create index inode", query);
re = false;
}
commitInternal("update database structure: add inode index");
}
if (1) {
SqlQuery query(_db);
query.prepare("CREATE INDEX IF NOT EXISTS metadata_path ON metadata(path);");
if (!query.exec()) {
sqlFail("updateMetadataTableStructure: create index path", query);
re = false;
}
commitInternal("update database structure: add path index");
}
if (columns.indexOf(QLatin1String("ignoredChildrenRemote")) == -1) {
SqlQuery query(_db);
query.prepare("ALTER TABLE metadata ADD COLUMN ignoredChildrenRemote INT;");
if (!query.exec()) {
sqlFail("updateMetadataTableStructure: add ignoredChildrenRemote column", query);
re = false;
}
commitInternal("update database structure: add ignoredChildrenRemote col");
}
if (columns.indexOf(QLatin1String("contentChecksum")) == -1) {
SqlQuery query(_db);
query.prepare("ALTER TABLE metadata ADD COLUMN contentChecksum TEXT;");
if (!query.exec()) {
sqlFail("updateMetadataTableStructure: add contentChecksum column", query);
re = false;
}
commitInternal("update database structure: add contentChecksum col");
}
if (columns.indexOf(QLatin1String("contentChecksumTypeId")) == -1) {
SqlQuery query(_db);
query.prepare("ALTER TABLE metadata ADD COLUMN contentChecksumTypeId INTEGER;");
if (!query.exec()) {
sqlFail("updateMetadataTableStructure: add contentChecksumTypeId column", query);
re = false;
}
commitInternal("update database structure: add contentChecksumTypeId col");
}
if (!columns.contains(QLatin1String("e2eMangledName"))) {
SqlQuery query(_db);
query.prepare("ALTER TABLE metadata ADD COLUMN e2eMangledName TEXT;");
if (!query.exec()) {
sqlFail("updateMetadataTableStructure: add e2eMangledName column", query);
re = false;
}
commitInternal("update database structure: add e2eMangledName col");
}
if (!tableColumns("uploadinfo").contains("contentChecksum")) {
SqlQuery query(_db);
query.prepare("ALTER TABLE uploadinfo ADD COLUMN contentChecksum TEXT;");
if (!query.exec()) {
sqlFail("updateMetadataTableStructure: add contentChecksum column", query);
re = false;
}
commitInternal("update database structure: add contentChecksum col for uploadinfo");
}
return re;
}
bool SyncJournalDb::updateErrorBlacklistTableStructure()
{
QStringList columns = tableColumns("blacklist");
bool re = true;
// check if the file_id column is there and create it if not
if (!checkConnect()) {
return false;
}
if (columns.indexOf(QLatin1String("lastTryTime")) == -1) {
SqlQuery query(_db);
query.prepare("ALTER TABLE blacklist ADD COLUMN lastTryTime INTEGER(8);");
if (!query.exec()) {
sqlFail("updateBlacklistTableStructure: Add lastTryTime fileid", query);
re = false;
}
query.prepare("ALTER TABLE blacklist ADD COLUMN ignoreDuration INTEGER(8);");
if (!query.exec()) {
sqlFail("updateBlacklistTableStructure: Add ignoreDuration fileid", query);
re = false;
}
commitInternal("update database structure: add lastTryTime, ignoreDuration cols");
}
if (columns.indexOf(QLatin1String("renameTarget")) == -1) {
SqlQuery query(_db);
query.prepare("ALTER TABLE blacklist ADD COLUMN renameTarget VARCHAR(4096);");
if (!query.exec()) {
sqlFail("updateBlacklistTableStructure: Add renameTarget", query);
re = false;
}
commitInternal("update database structure: add renameTarget col");
}
if (columns.indexOf(QLatin1String("errorCategory")) == -1) {
SqlQuery query(_db);
query.prepare("ALTER TABLE blacklist ADD COLUMN errorCategory INTEGER(8);");
if (!query.exec()) {
sqlFail("updateBlacklistTableStructure: Add errorCategory", query);
re = false;
}
commitInternal("update database structure: add errorCategory col");
}
SqlQuery query(_db);
query.prepare("CREATE INDEX IF NOT EXISTS blacklist_index ON blacklist(path collate nocase);");
if (!query.exec()) {
sqlFail("updateErrorBlacklistTableStructure: create index blacklit", query);
re = false;
}
return re;
}
QStringList SyncJournalDb::tableColumns(const QString &table)
{
QStringList columns;
if (!table.isEmpty()) {
if (checkConnect()) {
QString q = QString("PRAGMA table_info('%1');").arg(table);
SqlQuery query(_db);
query.prepare(q);
if (!query.exec()) {
return columns;
}
while (query.next()) {
columns.append(query.stringValue(1));
}
}
}
qCDebug(lcDb) << "Columns in the current journal: " << columns;
return columns;
}
qint64 SyncJournalDb::getPHash(const QByteArray &file)
{
int64_t h;
if (file.isEmpty()) {
return -1;
}
int len = file.length();
h = c_jhash64((uint8_t *)file.data(), len, 0);
return h;
}
bool SyncJournalDb::setFileRecord(const SyncJournalFileRecord &_record)
{
SyncJournalFileRecord record = _record;
QMutexLocker locker(&_mutex);
if (!_avoidReadFromDbOnNextSyncFilter.isEmpty()) {
// If we are a directory that should not be read from db next time, don't write the etag
QByteArray prefix = record._path + "/";
foreach (const QByteArray &it, _avoidReadFromDbOnNextSyncFilter) {
if (it.startsWith(prefix)) {
qCInfo(lcDb) << "Filtered writing the etag of" << prefix << "because it is a prefix of" << it;
record._etag = "_invalid_";
break;
}
}
}
qCInfo(lcDb) << "Updating file record for path:" << record._path << "inode:" << record._inode
<< "modtime:" << record._modtime << "type:" << record._type
<< "etag:" << record._etag << "fileId:" << record._fileId << "remotePerm:" << record._remotePerm.toString()
<< "fileSize:" << record._fileSize << "checksum:" << record._checksumHeader << "e2eMangledName:" << record._e2eMangledName;
qlonglong phash = getPHash(record._path);
if (checkConnect()) {
int plen = record._path.length();
QByteArray etag(record._etag);
if (etag.isEmpty())
etag = "";
QByteArray fileId(record._fileId);
if (fileId.isEmpty())
fileId = "";
QByteArray remotePerm = record._remotePerm.toString();
QByteArray checksumType, checksum;
parseChecksumHeader(record._checksumHeader, &checksumType, &checksum);
int contentChecksumTypeId = mapChecksumType(checksumType);
_setFileRecordQuery->reset_and_clear_bindings();
_setFileRecordQuery->bindValue(1, phash);
_setFileRecordQuery->bindValue(2, plen);
_setFileRecordQuery->bindValue(3, record._path);
_setFileRecordQuery->bindValue(4, record._inode);
_setFileRecordQuery->bindValue(5, 0); // uid Not used
_setFileRecordQuery->bindValue(6, 0); // gid Not used
_setFileRecordQuery->bindValue(7, 0); // mode Not used
_setFileRecordQuery->bindValue(8, record._modtime);
_setFileRecordQuery->bindValue(9, record._type);
_setFileRecordQuery->bindValue(10, etag);
_setFileRecordQuery->bindValue(11, fileId);
_setFileRecordQuery->bindValue(12, remotePerm);
_setFileRecordQuery->bindValue(13, record._fileSize);
_setFileRecordQuery->bindValue(14, record._serverHasIgnoredFiles ? 1 : 0);
_setFileRecordQuery->bindValue(15, checksum);
_setFileRecordQuery->bindValue(16, contentChecksumTypeId);
_setFileRecordQuery->bindValue(17, record._e2eMangledName);
if (!_setFileRecordQuery->exec()) {
return false;
}
// Can't be true anymore.
_metadataTableIsEmpty = false;
return true;
} else {
qCWarning(lcDb) << "Failed to connect database.";
return false; // checkConnect failed.
}
}
bool SyncJournalDb::deleteFileRecord(const QString &filename, bool recursively)
{
QMutexLocker locker(&_mutex);
if (checkConnect()) {
// if (!recursively) {
// always delete the actual file.
qlonglong phash = getPHash(filename.toUtf8());
_deleteFileRecordPhash->reset_and_clear_bindings();
_deleteFileRecordPhash->bindValue(1, phash);
if (!_deleteFileRecordPhash->exec()) {
return false;
}
if (recursively) {
_deleteFileRecordRecursively->reset_and_clear_bindings();
_deleteFileRecordRecursively->bindValue(1, filename);
if (!_deleteFileRecordRecursively->exec()) {
return false;
}
}
return true;
} else {
qCWarning(lcDb) << "Failed to connect database.";
return false; // checkConnect failed.
}
}
bool SyncJournalDb::getFileRecord(const QByteArray &filename, SyncJournalFileRecord *rec)
{
QMutexLocker locker(&_mutex);
// Reset the output var in case the caller is reusing it.
Q_ASSERT(rec);
rec->_path.clear();
Q_ASSERT(!rec->isValid());
if (_metadataTableIsEmpty)
return true; // no error, yet nothing found (rec->isValid() == false)
if (!checkConnect())
return false;
if (!filename.isEmpty()) {
_getFileRecordQuery->reset_and_clear_bindings();
_getFileRecordQuery->bindValue(1, getPHash(filename));
if (!_getFileRecordQuery->exec()) {
close();
return false;
}
if (_getFileRecordQuery->next()) {
fillFileRecordFromGetQuery(*rec, *_getFileRecordQuery);
} else {
int errId = _getFileRecordQuery->errorId();
if (errId != SQLITE_DONE) { // only do this if the problem is different from SQLITE_DONE
QString err = _getFileRecordQuery->error();
qCWarning(lcDb) << "No journal entry found for " << filename << "Error: " << err;
close();
}
}
}
return true;
}
bool SyncJournalDb::getFileRecordByE2eMangledName(const QString &mangledName, SyncJournalFileRecord *rec)
{
QMutexLocker locker(&_mutex);
// Reset the output var in case the caller is reusing it.
Q_ASSERT(rec);
rec->_path.clear();
Q_ASSERT(!rec->isValid());
if (_metadataTableIsEmpty)
return true; // no error, yet nothing found (rec->isValid() == false)
if (!checkConnect())
return false;
if (!mangledName.isEmpty()) {
_getFileRecordQueryByMangledName->reset_and_clear_bindings();
_getFileRecordQueryByMangledName->bindValue(1, mangledName);
if (!_getFileRecordQueryByMangledName->exec()) {
close();
return false;
}
if (_getFileRecordQueryByMangledName->next()) {
fillFileRecordFromGetQuery(*rec, *_getFileRecordQueryByMangledName);
} else {
int errId = _getFileRecordQueryByMangledName->errorId();
if (errId != SQLITE_DONE) { // only do this if the problem is different from SQLITE_DONE
QString err = _getFileRecordQueryByMangledName->error();
qCWarning(lcDb) << "No journal entry found for mangled name" << mangledName << "Error: " << err;
close();
}
}
}
return true;
}
bool SyncJournalDb::getFileRecordByInode(quint64 inode, SyncJournalFileRecord *rec)
{
QMutexLocker locker(&_mutex);
// Reset the output var in case the caller is reusing it.
Q_ASSERT(rec);
rec->_path.clear();
Q_ASSERT(!rec->isValid());
if (!inode || _metadataTableIsEmpty)
return true; // no error, yet nothing found (rec->isValid() == false)
if (!checkConnect())
return false;
_getFileRecordQueryByInode->reset_and_clear_bindings();
_getFileRecordQueryByInode->bindValue(1, inode);
if (!_getFileRecordQueryByInode->exec()) {
return false;
}
if (_getFileRecordQueryByInode->next()) {
fillFileRecordFromGetQuery(*rec, *_getFileRecordQueryByInode);
}
return true;
}
bool SyncJournalDb::getFileRecordsByFileId(const QByteArray &fileId, const std::function<void(const SyncJournalFileRecord &)> &rowCallback)
{
QMutexLocker locker(&_mutex);
if (fileId.isEmpty() || _metadataTableIsEmpty)
return true; // no error, yet nothing found (rec->isValid() == false)
if (!checkConnect())
return false;
_getFileRecordQueryByFileId->reset_and_clear_bindings();
_getFileRecordQueryByFileId->bindValue(1, fileId);
if (!_getFileRecordQueryByFileId->exec()) {
return false;
}
while (_getFileRecordQueryByFileId->next()) {
SyncJournalFileRecord rec;
fillFileRecordFromGetQuery(rec, *_getFileRecordQueryByFileId);
rowCallback(rec);
}
return true;
}
bool SyncJournalDb::getFilesBelowPath(const QByteArray &path, const std::function<void(const SyncJournalFileRecord&)> &rowCallback)
{
QMutexLocker locker(&_mutex);
if (_metadataTableIsEmpty)
return true; // no error, yet nothing found
if (!checkConnect())
return false;
// Since the path column doesn't store the starting /, the getFilesBelowPathQuery
// can't be used for the root path "". It would scan for (path > '/' and path < '0')
// and find nothing. So, unfortunately, we have to use a different query for
// retrieving the whole tree.
auto &query = path.isEmpty() ? _getAllFilesQuery : _getFilesBelowPathQuery;
query->reset_and_clear_bindings();
if (query == _getFilesBelowPathQuery)
query->bindValue(1, path);
if (!query->exec()) {
return false;
}
while (query->next()) {
SyncJournalFileRecord rec;
fillFileRecordFromGetQuery(rec, *query);
rowCallback(rec);
}
return true;
}
bool SyncJournalDb::postSyncCleanup(const QSet<QString> &filepathsToKeep,
const QSet<QString> &prefixesToKeep)
{
QMutexLocker locker(&_mutex);
if (!checkConnect()) {
return false;
}
SqlQuery query(_db);
query.prepare("SELECT phash, path FROM metadata order by path");
if (!query.exec()) {
return false;
}
QByteArrayList superfluousItems;
while (query.next()) {
const QString file = query.baValue(1);
bool keep = filepathsToKeep.contains(file);
if (!keep) {
foreach (const QString &prefix, prefixesToKeep) {
if (file.startsWith(prefix)) {
keep = true;
break;
}
}
}
if (!keep) {
superfluousItems.append(query.baValue(0));
}
}
if (superfluousItems.count()) {
QByteArray sql = "DELETE FROM metadata WHERE phash in (" + superfluousItems.join(",") + ")";
qCInfo(lcDb) << "Sync Journal cleanup for" << superfluousItems;
SqlQuery delQuery(_db);
delQuery.prepare(sql);
if (!delQuery.exec()) {
return false;
}
}
// Incorporate results back into main DB
walCheckpoint();
return true;
}
int SyncJournalDb::getFileRecordCount()
{
QMutexLocker locker(&_mutex);
SqlQuery query(_db);
query.prepare("SELECT COUNT(*) FROM metadata");
if (!query.exec()) {
return -1;
}
if (query.next()) {
int count = query.intValue(0);
return count;
}
return -1;
}
bool SyncJournalDb::updateFileRecordChecksum(const QString &filename,
const QByteArray &contentChecksum,
const QByteArray &contentChecksumType)
{
QMutexLocker locker(&_mutex);
qCInfo(lcDb) << "Updating file checksum" << filename << contentChecksum << contentChecksumType;
qlonglong phash = getPHash(filename.toUtf8());
if (!checkConnect()) {
qCWarning(lcDb) << "Failed to connect database.";
return false;
}
int checksumTypeId = mapChecksumType(contentChecksumType);
auto &query = _setFileRecordChecksumQuery;
query->reset_and_clear_bindings();
query->bindValue(1, phash);
query->bindValue(2, contentChecksum);
query->bindValue(3, checksumTypeId);
if (!query->exec()) {
return false;
}
return true;
}
bool SyncJournalDb::updateLocalMetadata(const QString &filename,
qint64 modtime, quint64 size, quint64 inode)
{
QMutexLocker locker(&_mutex);
qCInfo(lcDb) << "Updating local metadata for:" << filename << modtime << size << inode;
qlonglong phash = getPHash(filename.toUtf8());
if (!checkConnect()) {
qCWarning(lcDb) << "Failed to connect database.";
return false;
}
auto &query = _setFileRecordLocalMetadataQuery;
query->reset_and_clear_bindings();
query->bindValue(1, phash);
query->bindValue(2, inode);
query->bindValue(3, modtime);
query->bindValue(4, size);
if (!query->exec()) {
return false;
}
return true;
}
bool SyncJournalDb::setFileRecordMetadata(const SyncJournalFileRecord &record)
{
SyncJournalFileRecord existing;
if (!getFileRecord(record._path, &existing))
return false;
// If there's no existing record, just insert the new one.
if (!existing.isValid()) {
return setFileRecord(record);
}
// Update the metadata on the existing record.
existing._inode = record._inode;
existing._modtime = record._modtime;
existing._type = record._type;
existing._etag = record._etag;
existing._fileId = record._fileId;
existing._remotePerm = record._remotePerm;
existing._fileSize = record._fileSize;
existing._serverHasIgnoredFiles = record._serverHasIgnoredFiles;
existing._e2eMangledName = record._e2eMangledName;
return setFileRecord(existing);
}
static void toDownloadInfo(SqlQuery &query, SyncJournalDb::DownloadInfo *res)
{
bool ok = true;
res->_tmpfile = query.stringValue(0);
res->_etag = query.baValue(1);
res->_errorCount = query.intValue(2);
res->_valid = ok;
}
static bool deleteBatch(SqlQuery &query, const QStringList &entries, const QString &name)
{
if (entries.isEmpty())
return true;
qCDebug(lcDb) << "Removing stale " << qPrintable(name) << " entries: " << entries.join(", ");
// FIXME: Was ported from execBatch, check if correct!
foreach (const QString &entry, entries) {
query.reset_and_clear_bindings();
query.bindValue(1, entry);
if (!query.exec()) {
return false;
}
}
return true;
}
SyncJournalDb::DownloadInfo SyncJournalDb::getDownloadInfo(const QString &file)
{
QMutexLocker locker(&_mutex);
DownloadInfo res;
if (checkConnect()) {
_getDownloadInfoQuery->reset_and_clear_bindings();
_getDownloadInfoQuery->bindValue(1, file);
if (!_getDownloadInfoQuery->exec()) {
return res;
}
if (_getDownloadInfoQuery->next()) {
toDownloadInfo(*_getDownloadInfoQuery, &res);
} else {
res._valid = false;
}
}
return res;
}
void SyncJournalDb::setDownloadInfo(const QString &file, const SyncJournalDb::DownloadInfo &i)
{
QMutexLocker locker(&_mutex);
if (!checkConnect()) {
return;
}
if (i._valid) {
_setDownloadInfoQuery->reset_and_clear_bindings();
_setDownloadInfoQuery->bindValue(1, file);
_setDownloadInfoQuery->bindValue(2, i._tmpfile);
_setDownloadInfoQuery->bindValue(3, i._etag);
_setDownloadInfoQuery->bindValue(4, i._errorCount);
if (!_setDownloadInfoQuery->exec()) {
return;
}
} else {
_deleteDownloadInfoQuery->reset_and_clear_bindings();
_deleteDownloadInfoQuery->bindValue(1, file);
if (!_deleteDownloadInfoQuery->exec()) {
return;
}
}
}
QVector<SyncJournalDb::DownloadInfo> SyncJournalDb::getAndDeleteStaleDownloadInfos(const QSet<QString> &keep)
{
QVector<SyncJournalDb::DownloadInfo> empty_result;
QMutexLocker locker(&_mutex);
if (!checkConnect()) {
return empty_result;
}
SqlQuery query(_db);
// The selected values *must* match the ones expected by toDownloadInfo().
query.prepare("SELECT tmpfile, etag, errorcount, path FROM downloadinfo");
if (!query.exec()) {
return empty_result;
}
QStringList superfluousPaths;
QVector<SyncJournalDb::DownloadInfo> deleted_entries;
while (query.next()) {
const QString file = query.stringValue(3); // path
if (!keep.contains(file)) {
superfluousPaths.append(file);
DownloadInfo info;
toDownloadInfo(query, &info);
deleted_entries.append(info);
}
}
if (!deleteBatch(*_deleteDownloadInfoQuery, superfluousPaths, "downloadinfo"))
return empty_result;
return deleted_entries;
}
int SyncJournalDb::downloadInfoCount()
{
int re = 0;
QMutexLocker locker(&_mutex);
if (checkConnect()) {
SqlQuery query("SELECT count(*) FROM downloadinfo", _db);
if (!query.exec()) {
sqlFail("Count number of downloadinfo entries failed", query);
}
if (query.next()) {
re = query.intValue(0);
}
}
return re;
}
SyncJournalDb::UploadInfo SyncJournalDb::getUploadInfo(const QString &file)
{
QMutexLocker locker(&_mutex);
UploadInfo res;
if (checkConnect()) {
_getUploadInfoQuery->reset_and_clear_bindings();
_getUploadInfoQuery->bindValue(1, file);
if (!_getUploadInfoQuery->exec()) {
return res;
}
if (_getUploadInfoQuery->next()) {
bool ok = true;
res._chunk = _getUploadInfoQuery->intValue(0);
res._transferid = _getUploadInfoQuery->intValue(1);
res._errorCount = _getUploadInfoQuery->intValue(2);
res._size = _getUploadInfoQuery->int64Value(3);
res._modtime = _getUploadInfoQuery->int64Value(4);
res._contentChecksum = _getUploadInfoQuery->baValue(5);
res._valid = ok;
}
}
return res;
}
void SyncJournalDb::setUploadInfo(const QString &file, const SyncJournalDb::UploadInfo &i)
{
QMutexLocker locker(&_mutex);
if (!checkConnect()) {
return;
}
if (i._valid) {
_setUploadInfoQuery->reset_and_clear_bindings();
_setUploadInfoQuery->bindValue(1, file);
_setUploadInfoQuery->bindValue(2, i._chunk);
_setUploadInfoQuery->bindValue(3, i._transferid);
_setUploadInfoQuery->bindValue(4, i._errorCount);
_setUploadInfoQuery->bindValue(5, i._size);
_setUploadInfoQuery->bindValue(6, i._modtime);
_setUploadInfoQuery->bindValue(7, i._contentChecksum);
if (!_setUploadInfoQuery->exec()) {
return;
}
} else {
_deleteUploadInfoQuery->reset_and_clear_bindings();
_deleteUploadInfoQuery->bindValue(1, file);
if (!_deleteUploadInfoQuery->exec()) {
return;
}
}
}
QVector<uint> SyncJournalDb::deleteStaleUploadInfos(const QSet<QString> &keep)
{
QMutexLocker locker(&_mutex);
QVector<uint> ids;
if (!checkConnect()) {
return ids;
}
SqlQuery query(_db);
query.prepare("SELECT path,transferid FROM uploadinfo");
if (!query.exec()) {
return ids;
}
QStringList superfluousPaths;
while (query.next()) {
const QString file = query.stringValue(0);
if (!keep.contains(file)) {
superfluousPaths.append(file);
ids.append(query.intValue(1));
}
}
deleteBatch(*_deleteUploadInfoQuery, superfluousPaths, "uploadinfo");
return ids;
}
SyncJournalErrorBlacklistRecord SyncJournalDb::errorBlacklistEntry(const QString &file)
{
QMutexLocker locker(&_mutex);
SyncJournalErrorBlacklistRecord entry;
if (file.isEmpty())
return entry;
// SELECT lastTryEtag, lastTryModtime, retrycount, errorstring
if (checkConnect()) {
_getErrorBlacklistQuery->reset_and_clear_bindings();
_getErrorBlacklistQuery->bindValue(1, file);
if (_getErrorBlacklistQuery->exec()) {
if (_getErrorBlacklistQuery->next()) {
entry._lastTryEtag = _getErrorBlacklistQuery->baValue(0);
entry._lastTryModtime = _getErrorBlacklistQuery->int64Value(1);
entry._retryCount = _getErrorBlacklistQuery->intValue(2);
entry._errorString = _getErrorBlacklistQuery->stringValue(3);
entry._lastTryTime = _getErrorBlacklistQuery->int64Value(4);
entry._ignoreDuration = _getErrorBlacklistQuery->int64Value(5);
entry._renameTarget = _getErrorBlacklistQuery->stringValue(6);
entry._errorCategory = static_cast<SyncJournalErrorBlacklistRecord::Category>(
_getErrorBlacklistQuery->intValue(7));
entry._file = file;
}
}
}
return entry;
}
bool SyncJournalDb::deleteStaleErrorBlacklistEntries(const QSet<QString> &keep)
{
QMutexLocker locker(&_mutex);
if (!checkConnect()) {
return false;
}
SqlQuery query(_db);
query.prepare("SELECT path FROM blacklist");
if (!query.exec()) {
return false;
}
QStringList superfluousPaths;
while (query.next()) {
const QString file = query.stringValue(0);
if (!keep.contains(file)) {
superfluousPaths.append(file);
}
}
SqlQuery delQuery(_db);
delQuery.prepare("DELETE FROM blacklist WHERE path = ?");
return deleteBatch(delQuery, superfluousPaths, "blacklist");
}
int SyncJournalDb::errorBlackListEntryCount()
{
int re = 0;
QMutexLocker locker(&_mutex);
if (checkConnect()) {
SqlQuery query("SELECT count(*) FROM blacklist", _db);
if (!query.exec()) {
sqlFail("Count number of blacklist entries failed", query);
}
if (query.next()) {
re = query.intValue(0);
}
}
return re;
}
int SyncJournalDb::wipeErrorBlacklist()
{
QMutexLocker locker(&_mutex);
if (checkConnect()) {
SqlQuery query(_db);
query.prepare("DELETE FROM blacklist");
if (!query.exec()) {
sqlFail("Deletion of whole blacklist failed", query);
return -1;
}
return query.numRowsAffected();
}
return -1;
}
void SyncJournalDb::wipeErrorBlacklistEntry(const QString &file)
{
if (file.isEmpty()) {
return;
}
QMutexLocker locker(&_mutex);
if (checkConnect()) {
SqlQuery query(_db);
query.prepare("DELETE FROM blacklist WHERE path=?1");
query.bindValue(1, file);
if (!query.exec()) {
sqlFail("Deletion of blacklist item failed.", query);
}
}
}
void SyncJournalDb::wipeErrorBlacklistCategory(SyncJournalErrorBlacklistRecord::Category category)
{
QMutexLocker locker(&_mutex);
if (checkConnect()) {
SqlQuery query(_db);
query.prepare("DELETE FROM blacklist WHERE errorCategory=?1");
query.bindValue(1, category);
if (!query.exec()) {
sqlFail("Deletion of blacklist category failed.", query);
}
}
}
void SyncJournalDb::setErrorBlacklistEntry(const SyncJournalErrorBlacklistRecord &item)
{
QMutexLocker locker(&_mutex);
qCInfo(lcDb) << "Setting blacklist entry for " << item._file << item._retryCount
<< item._errorString << item._lastTryTime << item._ignoreDuration
<< item._lastTryModtime << item._lastTryEtag << item._renameTarget
<< item._errorCategory;
if (!checkConnect()) {
return;
}
_setErrorBlacklistQuery->reset_and_clear_bindings();
_setErrorBlacklistQuery->bindValue(1, item._file);
_setErrorBlacklistQuery->bindValue(2, item._lastTryEtag);
_setErrorBlacklistQuery->bindValue(3, item._lastTryModtime);
_setErrorBlacklistQuery->bindValue(4, item._retryCount);
_setErrorBlacklistQuery->bindValue(5, item._errorString);
_setErrorBlacklistQuery->bindValue(6, item._lastTryTime);
_setErrorBlacklistQuery->bindValue(7, item._ignoreDuration);
_setErrorBlacklistQuery->bindValue(8, item._renameTarget);
_setErrorBlacklistQuery->bindValue(9, item._errorCategory);
_setErrorBlacklistQuery->exec();
}
QVector<SyncJournalDb::PollInfo> SyncJournalDb::getPollInfos()
{
QMutexLocker locker(&_mutex);
QVector<SyncJournalDb::PollInfo> res;
if (!checkConnect())
return res;
SqlQuery query("SELECT path, modtime, pollpath FROM poll", _db);
if (!query.exec()) {
return res;
}
while (query.next()) {
PollInfo info;
info._file = query.stringValue(0);
info._modtime = query.int64Value(1);
info._url = query.stringValue(2);
res.append(info);
}
query.finish();
return res;
}
void SyncJournalDb::setPollInfo(const SyncJournalDb::PollInfo &info)
{
QMutexLocker locker(&_mutex);
if (!checkConnect()) {
return;
}
if (info._url.isEmpty()) {
qCDebug(lcDb) << "Deleting Poll job" << info._file;
SqlQuery query("DELETE FROM poll WHERE path=?", _db);
query.bindValue(1, info._file);
query.exec();
} else {
SqlQuery query("INSERT OR REPLACE INTO poll (path, modtime, pollpath) VALUES( ? , ? , ? )", _db);
query.bindValue(1, info._file);
query.bindValue(2, info._modtime);
query.bindValue(3, info._url);
query.exec();
}
}
QStringList SyncJournalDb::getSelectiveSyncList(SyncJournalDb::SelectiveSyncListType type, bool *ok)
{
QStringList result;
ASSERT(ok);
QMutexLocker locker(&_mutex);
if (!checkConnect()) {
*ok = false;
return result;
}
_getSelectiveSyncListQuery->reset_and_clear_bindings();
_getSelectiveSyncListQuery->bindValue(1, int(type));
if (!_getSelectiveSyncListQuery->exec()) {
*ok = false;
return result;
}
while (_getSelectiveSyncListQuery->next()) {
auto entry = _getSelectiveSyncListQuery->stringValue(0);
if (!entry.endsWith(QLatin1Char('/'))) {
entry.append(QLatin1Char('/'));
}
result.append(entry);
}
*ok = true;
return result;
}
void SyncJournalDb::setSelectiveSyncList(SyncJournalDb::SelectiveSyncListType type, const QStringList &list)
{
QMutexLocker locker(&_mutex);
if (!checkConnect()) {
return;
}
startTransaction();
//first, delete all entries of this type
SqlQuery delQuery("DELETE FROM selectivesync WHERE type == ?1", _db);
delQuery.bindValue(1, int(type));
if (!delQuery.exec()) {
qCWarning(lcDb) << "SQL error when deleting selective sync list" << list << delQuery.error();
}
SqlQuery insQuery("INSERT INTO selectivesync VALUES (?1, ?2)", _db);
foreach (const auto &path, list) {
insQuery.reset_and_clear_bindings();
insQuery.bindValue(1, path);
insQuery.bindValue(2, int(type));
if (!insQuery.exec()) {
qCWarning(lcDb) << "SQL error when inserting into selective sync" << type << path << delQuery.error();
}
}
commitInternal("setSelectiveSyncList");
}
void SyncJournalDb::avoidRenamesOnNextSync(const QByteArray &path)
{
QMutexLocker locker(&_mutex);
if (!checkConnect()) {
return;
}
SqlQuery query(_db);
query.prepare("UPDATE metadata SET fileid = '', inode = '0' WHERE " IS_PREFIX_PATH_OR_EQUAL("?1", "path"));
query.bindValue(1, path);
query.exec();
// We also need to remove the ETags so the update phase refreshes the directory paths
// on the next sync
avoidReadFromDbOnNextSync(path);
}
void SyncJournalDb::avoidReadFromDbOnNextSync(const QByteArray &fileName)
{
QMutexLocker locker(&_mutex);
if (!checkConnect()) {
return;
}
// Remove trailing slash
auto argument = fileName;
if (argument.endsWith('/'))
argument.chop(1);
SqlQuery query(_db);
// This query will match entries for which the path is a prefix of fileName
// Note: CSYNC_FTW_TYPE_DIR == 2
query.prepare("UPDATE metadata SET md5='_invalid_' WHERE " IS_PREFIX_PATH_OR_EQUAL("path", "?1") " AND type == 2;");
query.bindValue(1, argument);
query.exec();
// Prevent future overwrite of the etags of this folder and all
// parent folders for this sync
argument.append('/');
_avoidReadFromDbOnNextSyncFilter.append(argument);
}
void SyncJournalDb::forceRemoteDiscoveryNextSync()
{
QMutexLocker locker(&_mutex);
if (!checkConnect()) {
return;
}
forceRemoteDiscoveryNextSyncLocked();
}
void SyncJournalDb::forceRemoteDiscoveryNextSyncLocked()
{
qCInfo(lcDb) << "Forcing remote re-discovery by deleting folder Etags";
SqlQuery deleteRemoteFolderEtagsQuery(_db);
deleteRemoteFolderEtagsQuery.prepare("UPDATE metadata SET md5='_invalid_' WHERE type=2;");
deleteRemoteFolderEtagsQuery.exec();
}
QByteArray SyncJournalDb::getChecksumType(int checksumTypeId)
{
QMutexLocker locker(&_mutex);
if (!checkConnect()) {
return QByteArray();
}
// Retrieve the id
auto &query = *_getChecksumTypeQuery;
query.reset_and_clear_bindings();
query.bindValue(1, checksumTypeId);
if (!query.exec()) {
return 0;
}
if (!query.next()) {
qCWarning(lcDb) << "No checksum type mapping found for" << checksumTypeId;
return 0;
}
return query.baValue(0);
}
int SyncJournalDb::mapChecksumType(const QByteArray &checksumType)
{
if (checksumType.isEmpty()) {
return 0;
}
// Ensure the checksum type is in the db
_insertChecksumTypeQuery->reset_and_clear_bindings();
_insertChecksumTypeQuery->bindValue(1, checksumType);
if (!_insertChecksumTypeQuery->exec()) {
return 0;
}
// Retrieve the id
_getChecksumTypeIdQuery->reset_and_clear_bindings();
_getChecksumTypeIdQuery->bindValue(1, checksumType);
if (!_getChecksumTypeIdQuery->exec()) {
return 0;
}
if (!_getChecksumTypeIdQuery->next()) {
qCWarning(lcDb) << "No checksum type mapping found for" << checksumType;
return 0;
}
return _getChecksumTypeIdQuery->intValue(0);
}
QByteArray SyncJournalDb::dataFingerprint()
{
QMutexLocker locker(&_mutex);
if (!checkConnect()) {
return QByteArray();
}
_getDataFingerprintQuery->reset_and_clear_bindings();
if (!_getDataFingerprintQuery->exec()) {
return QByteArray();
}
if (!_getDataFingerprintQuery->next()) {
return QByteArray();
}
return _getDataFingerprintQuery->baValue(0);
}
void SyncJournalDb::setDataFingerprint(const QByteArray &dataFingerprint)
{
QMutexLocker locker(&_mutex);
if (!checkConnect()) {
return;
}
_setDataFingerprintQuery1->reset_and_clear_bindings();
_setDataFingerprintQuery1->exec();
_setDataFingerprintQuery2->reset_and_clear_bindings();
_setDataFingerprintQuery2->bindValue(1, dataFingerprint);
_setDataFingerprintQuery2->exec();
}
void SyncJournalDb::setConflictRecord(const ConflictRecord &record)
{
QMutexLocker locker(&_mutex);
if (!checkConnect())
return;
auto &query = *_setConflictRecordQuery;
query.reset_and_clear_bindings();
query.bindValue(1, record.path);
query.bindValue(2, record.baseFileId);
query.bindValue(3, record.baseModtime);
query.bindValue(4, record.baseEtag);
ASSERT(query.exec());
}
ConflictRecord SyncJournalDb::conflictRecord(const QByteArray &path)
{
ConflictRecord entry;
QMutexLocker locker(&_mutex);
if (!checkConnect())
return entry;
auto &query = *_getConflictRecordQuery;
query.reset_and_clear_bindings();
query.bindValue(1, path);
ASSERT(query.exec());
if (!query.next())
return entry;
entry.path = path;
entry.baseFileId = query.baValue(0);
entry.baseModtime = query.int64Value(1);
entry.baseEtag = query.baValue(2);
return entry;
}
void SyncJournalDb::deleteConflictRecord(const QByteArray &path)
{
QMutexLocker locker(&_mutex);
if (!checkConnect())
return;
auto &query = *_deleteConflictRecordQuery;
query.reset_and_clear_bindings();
query.bindValue(1, path);
ASSERT(query.exec());
}
QByteArrayList SyncJournalDb::conflictRecordPaths()
{
QMutexLocker locker(&_mutex);
if (!checkConnect())
return {};
SqlQuery query(_db);
query.prepare("SELECT path FROM conflicts");
ASSERT(query.exec());
QByteArrayList paths;
while (query.next())
paths.append(query.baValue(0));
return paths;
}
void SyncJournalDb::clearFileTable()
{
QMutexLocker lock(&_mutex);
SqlQuery query(_db);
query.prepare("DELETE FROM metadata;");
query.exec();
}
void SyncJournalDb::commit(const QString &context, bool startTrans)
{
QMutexLocker lock(&_mutex);
commitInternal(context, startTrans);
}
void SyncJournalDb::commitIfNeededAndStartNewTransaction(const QString &context)
{
QMutexLocker lock(&_mutex);
if (_transaction == 1) {
commitInternal(context, true);
} else {
startTransaction();
}
}
void SyncJournalDb::commitInternal(const QString &context, bool startTrans)
{
qCDebug(lcDb) << "Transaction commit " << context << (startTrans ? "and starting new transaction" : "");
commitTransaction();
if (startTrans) {
startTransaction();
}
}
SyncJournalDb::~SyncJournalDb()
{
close();
}
bool SyncJournalDb::isConnected()
{
QMutexLocker lock(&_mutex);
return checkConnect();
}
bool operator==(const SyncJournalDb::DownloadInfo &lhs,
const SyncJournalDb::DownloadInfo &rhs)
{
return lhs._errorCount == rhs._errorCount
&& lhs._etag == rhs._etag
&& lhs._tmpfile == rhs._tmpfile
&& lhs._valid == rhs._valid;
}
bool operator==(const SyncJournalDb::UploadInfo &lhs,
const SyncJournalDb::UploadInfo &rhs)
{
return lhs._errorCount == rhs._errorCount
&& lhs._chunk == rhs._chunk
&& lhs._modtime == rhs._modtime
&& lhs._valid == rhs._valid
&& lhs._size == rhs._size
&& lhs._transferid == rhs._transferid
&& lhs._contentChecksum == rhs._contentChecksum;
}
} // namespace OCC