Differential D21650 Diff 59705 src/server/storage/dbconfigmysql.cpp

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src/server/storage/dbconfigmysql.cpp

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37using namespace Akonadi; 37​using namespace Akonadi;
38using namespace Akonadi::Server; 38​using namespace Akonadi::Server;
39 39​
40#define MYSQL_MIN_MAJOR 5 40​#define MYSQL_MIN_MAJOR 5
41#define MYSQL_MIN_MINOR 1 41​#define MYSQL_MIN_MINOR 1
42 42​
43#define MYSQL_VERSION_CHECK(major, minor, patch) ((major << 16) | (minor << 8) | patch) 43​#define MYSQL_VERSION_CHECK(major, minor, patch) ((major << 16) | (minor << 8) | patch)
44 44​
45​static const QString s_mysqlSocketFileName = QStringLiteral("mysql.socket");
46​
45DbConfigMysql::DbConfigMysql() 47​DbConfigMysql::DbConfigMysql()
46 : mInternalServer(true) 48​ : mInternalServer(true)
47 , mDatabaseProcess(nullptr) 49​ , mDatabaseProcess(nullptr)
48{ 50​{
49} 51​}
50 52​
51QString DbConfigMysql::driverName() const 53​QString DbConfigMysql::driverName() const
52{ 54​{
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81{ 83​{
82 // determine default settings depending on the driver 84​ // determine default settings depending on the driver
83 QString defaultHostName; 85​ QString defaultHostName;
84 QString defaultOptions; 86​ QString defaultOptions;
85 QString defaultServerPath; 87​ QString defaultServerPath;
86 QString defaultCleanShutdownCommand; 88​ QString defaultCleanShutdownCommand;
87 89​
88#ifndef Q_OS_WIN 90​#ifndef Q_OS_WIN
89 const QString socketDirectory = Utils::preferredSocketDirectory(StandardDirs::saveDir("data", QStringLiteral("db_misc"))); 91​ const QString socketDirectory = Utils::preferredSocketDirectory(StandardDirs::saveDir("data", QStringLiteral("db_misc")),
92​ s_mysqlSocketFileName.length());
90#endif 93​#endif
91 94​
92 const bool defaultInternalServer = true; 95​ const bool defaultInternalServer = true;
93#ifdef MYSQLD_EXECUTABLE 96​#ifdef MYSQLD_EXECUTABLE
94 if (QFile::exists(QStringLiteral(MYSQLD_EXECUTABLE))) { 97​ if (QFile::exists(QStringLiteral(MYSQLD_EXECUTABLE))) {
95 defaultServerPath = QStringLiteral(MYSQLD_EXECUTABLE); 98​ defaultServerPath = QStringLiteral(MYSQLD_EXECUTABLE);
96 } 99​ }
97#endif 100​#endif
98 if (defaultServerPath.isEmpty()) { 101​ if (defaultServerPath.isEmpty()) {
99 defaultServerPath = findExecutable(QStringLiteral("mysqld")); 102​ defaultServerPath = findExecutable(QStringLiteral("mysqld"));
100 } 103​ }
101 104​
102 const QString mysqladminPath = findExecutable(QStringLiteral("mysqladmin")); 105​ const QString mysqladminPath = findExecutable(QStringLiteral("mysqladmin"));
103 if (!mysqladminPath.isEmpty()) { 106​ if (!mysqladminPath.isEmpty()) {
104#ifndef Q_OS_WIN 107​#ifndef Q_OS_WIN
105 defaultCleanShutdownCommand = QStringLiteral("%1 --defaults-file=%2/mysql.conf --socket=%3/mysql.socket shutdown") 108​ defaultCleanShutdownCommand = QStringLiteral("%1 --defaults-file=%2/mysql.conf --socket=%3/%4 shutdown")
106 .arg(mysqladminPath, StandardDirs::saveDir("data"), socketDirectory); 109​ .arg(mysqladminPath, StandardDirs::saveDir("data"), socketDirectory, s_mysqlSocketFileName);
107#else 110​#else
108 defaultCleanShutdownCommand = QString::fromLatin1("%1 shutdown --shared-memory").arg(mysqladminPath); 111​ defaultCleanShutdownCommand = QString::fromLatin1("%1 shutdown --shared-memory").arg(mysqladminPath);
109#endif 112​#endif
110 } 113​ }
111 114​
112 mMysqlInstallDbPath = findExecutable(QStringLiteral("mysql_install_db")); 115​ mMysqlInstallDbPath = findExecutable(QStringLiteral("mysql_install_db"));
113 qCDebug(AKONADISERVER_LOG) << "Found mysql_install_db: " << mMysqlInstallDbPath; 116​ qCDebug(AKONADISERVER_LOG) << "Found mysql_install_db: " << mMysqlInstallDbPath;
114 117​
115 mMysqlCheckPath = findExecutable(QStringLiteral("mysqlcheck")); 118​ mMysqlCheckPath = findExecutable(QStringLiteral("mysqlcheck"));
116 qCDebug(AKONADISERVER_LOG) << "Found mysqlcheck: " << mMysqlCheckPath; 119​ qCDebug(AKONADISERVER_LOG) << "Found mysqlcheck: " << mMysqlCheckPath;
117 120​
118 mInternalServer = settings.value(QStringLiteral("QMYSQL/StartServer"), defaultInternalServer).toBool(); 121​ mInternalServer = settings.value(QStringLiteral("QMYSQL/StartServer"), defaultInternalServer).toBool();
119#ifndef Q_OS_WIN 122​#ifndef Q_OS_WIN
120 if (mInternalServer) { 123​ if (mInternalServer) {
121 defaultOptions = QStringLiteral("UNIX_SOCKET=%1/mysql.socket").arg(socketDirectory); 124​ defaultOptions = QStringLiteral("UNIX_SOCKET=%1/%2").arg(socketDirectory, s_mysqlSocketFileName);
122 } 125​ }
123#endif 126​#endif
124 127​
125 // read settings for current driver 128​ // read settings for current driver
126 settings.beginGroup(driverName()); 129​ settings.beginGroup(driverName());
127 mDatabaseName = settings.value(QStringLiteral("Name"), defaultDatabaseName()).toString(); 130​ mDatabaseName = settings.value(QStringLiteral("Name"), defaultDatabaseName()).toString();
128 mHostName = settings.value(QStringLiteral("Host"), defaultHostName).toString(); 131​ mHostName = settings.value(QStringLiteral("Host"), defaultHostName).toString();
129 mUserName = settings.value(QStringLiteral("User")).toString(); 132​ mUserName = settings.value(QStringLiteral("User")).toString();
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195 198​
196bool DbConfigMysql::startInternalServer() 199​bool DbConfigMysql::startInternalServer()
197{ 200​{
198 bool success = true; 201​ bool success = true;
199 202​
200 const QString akDir = StandardDirs::saveDir("data"); 203​ const QString akDir = StandardDirs::saveDir("data");
201 const QString dataDir = StandardDirs::saveDir("data", QStringLiteral("db_data")); 204​ const QString dataDir = StandardDirs::saveDir("data", QStringLiteral("db_data"));
202#ifndef Q_OS_WIN 205​#ifndef Q_OS_WIN
203 const QString socketDirectory = Utils::preferredSocketDirectory(StandardDirs::saveDir("data", QStringLiteral("db_misc"))); 206​ const QString socketDirectory = Utils::preferredSocketDirectory(StandardDirs::saveDir("data", QStringLiteral("db_misc")),
204 const QString socketFile = QStringLiteral("%1/mysql.socket").arg(socketDirectory); 207​ s_mysqlSocketFileName.length());
208​ const QString socketFile = QStringLiteral("%1/%2").arg(socketDirectory, s_mysqlSocketFileName);
205 const QString pidFileName = QStringLiteral("%1/mysql.pid").arg(socketDirectory); 209​ const QString pidFileName = QStringLiteral("%1/mysql.pid").arg(socketDirectory);
206#endif 210​#endif
207 211​
208 // generate config file 212​ // generate config file
209 const QString globalConfig = StandardDirs::locateResourceFile("config", QStringLiteral("mysql-global.conf")); 213​ const QString globalConfig = StandardDirs::locateResourceFile("config", QStringLiteral("mysql-global.conf"));
210 const QString localConfig = StandardDirs::locateResourceFile("config", QStringLiteral("mysql-local.conf")); 214​ const QString localConfig = StandardDirs::locateResourceFile("config", QStringLiteral("mysql-local.conf"));
211 const QString actualConfig = StandardDirs::saveDir("data") + QLatin1String("/mysql.conf"); 215​ const QString actualConfig = StandardDirs::saveDir("data") + QLatin1String("/mysql.conf");
212 if (globalConfig.isEmpty()) { 216​ if (globalConfig.isEmpty()) {
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297 } 301​ }
298 302​
299 // the socket path must not exceed 103 characters, so check for max dir length right away 303​ // the socket path must not exceed 103 characters, so check for max dir length right away
300 if (socketDirectory.length() >= 90) { 304​ if (socketDirectory.length() >= 90) {
301 qCCritical(AKONADISERVER_LOG) << "MySQL cannot deal with a socket path this long. Path was: " << socketDirectory; 305​ qCCritical(AKONADISERVER_LOG) << "MySQL cannot deal with a socket path this long. Path was: " << socketDirectory;
302 return false; 306​ return false;
303 } 307​ }
304 308​
305 // If mysql.socket file exists, check if also the server process is still running, 309​ // If mysql socket file exists, check if also the server process is still running,
306 // else we can safely remove the socket file (cleanup after a system crash, etc.) 310​ // else we can safely remove the socket file (cleanup after a system crash, etc.)
307 QFile pidFile(pidFileName); 311​ QFile pidFile(pidFileName);
308 if (QFile::exists(socketFile) && pidFile.open(QIODevice::ReadOnly)) { 312​ if (QFile::exists(socketFile) && pidFile.open(QIODevice::ReadOnly)) {
309 qCDebug(AKONADISERVER_LOG) << "Found a mysqld pid file, checking whether the server is still running..."; 313​ qCDebug(AKONADISERVER_LOG) << "Found a mysqld pid file, checking whether the server is still running...";
310 QByteArray pid = pidFile.readLine().trimmed(); 314​ QByteArray pid = pidFile.readLine().trimmed();
311 QFile proc(QString::fromLatin1("/proc/" + pid + "/stat")); 315​ QFile proc(QString::fromLatin1("/proc/" + pid + "/stat"));
312 // Check whether the process with the PID from pidfile still exists and whether 316​ // Check whether the process with the PID from pidfile still exists and whether
313 // it's actually still mysqld or, whether the PID has been recycled in the meanwhile. 317​ // it's actually still mysqld or, whether the PID has been recycled in the meanwhile.
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343#ifndef Q_OS_WIN 347​#ifndef Q_OS_WIN
344 arguments << QStringLiteral("--socket=%1").arg(socketFile); 348​ arguments << QStringLiteral("--socket=%1").arg(socketFile);
345 arguments << QStringLiteral("--pid-file=%1").arg(pidFileName); 349​ arguments << QStringLiteral("--pid-file=%1").arg(pidFileName);
346#else 350​#else
347 arguments << QString::fromLatin1("--shared-memory"); 351​ arguments << QString::fromLatin1("--shared-memory");
348#endif 352​#endif
349 353​
350#ifndef Q_OS_WIN 354​#ifndef Q_OS_WIN
351 // If mysql.socket file does not exists, then we must start the server, 355​ // If mysql socket file does not exists, then we must start the server,
352 // otherwise we reconnect to it 356​ // otherwise we reconnect to it
353 if (!QFile::exists(socketFile)) { 357​ if (!QFile::exists(socketFile)) {
354 // move mysql error log file out of the way 358​ // move mysql error log file out of the way
355 const QFileInfo errorLog(dataDir + QDir::separator() + QLatin1String("mysql.err")); 359​ const QFileInfo errorLog(dataDir + QDir::separator() + QLatin1String("mysql.err"));
356 if (errorLog.exists()) { 360​ if (errorLog.exists()) {
357 QFile logFile(errorLog.absoluteFilePath()); 361​ QFile logFile(errorLog.absoluteFilePath());
358 QFile oldLogFile(dataDir + QDir::separator() + QLatin1String("mysql.err.old")); 362​ QFile oldLogFile(dataDir + QDir::separator() + QLatin1String("mysql.err.old"));
359 if (logFile.open(QFile::ReadOnly) && oldLogFile.open(QFile::Append)) { 363​ if (logFile.open(QFile::ReadOnly) && oldLogFile.open(QFile::Append)) {
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398 connect(mDatabaseProcess, QOverload<int,QProcess::ExitStatus>::of(&QProcess::finished), this, &DbConfigMysql::processFinished); 402​ connect(mDatabaseProcess, QOverload<int,QProcess::ExitStatus>::of(&QProcess::finished), this, &DbConfigMysql::processFinished);
399 403​
400 // wait until mysqld has created the socket file (workaround for QTBUG-47475 in Qt5.5.0) 404​ // wait until mysqld has created the socket file (workaround for QTBUG-47475 in Qt5.5.0)
401 int counter = 50; // avoid an endless loop in case mysqld terminated 405​ int counter = 50; // avoid an endless loop in case mysqld terminated
402 while ((counter-- > 0) && !QFileInfo::exists(socketFile)) { 406​ while ((counter-- > 0) && !QFileInfo::exists(socketFile)) {
403 QThread::msleep(100); 407​ QThread::msleep(100);
404 } 408​ }
405 } else { 409​ } else {
406 qCDebug(AKONADISERVER_LOG) << "Found mysql.socket file, reconnecting to the database"; 410​ qCDebug(AKONADISERVER_LOG) << "Found " << qPrintable(s_mysqlSocketFileName) << " file, reconnecting to the database";
407 } 411​ }
408#endif 412​#endif
409 413​
410 const QLatin1String initCon("initConnection"); 414​ const QLatin1String initCon("initConnection");
411 { 415​ {
412 QSqlDatabase db = QSqlDatabase::addDatabase(QStringLiteral("QMYSQL"), initCon); 416​ QSqlDatabase db = QSqlDatabase::addDatabase(QStringLiteral("QMYSQL"), initCon);
413 apply(db); 417​ apply(db);
414 418​
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437 } 441​ }
438 442​
439 if (opened) { 443​ if (opened) {
440 if (!mMysqlCheckPath.isEmpty()) { 444​ if (!mMysqlCheckPath.isEmpty()) {
441 execute(mMysqlCheckPath, { QStringLiteral("--defaults-file=%1/mysql.conf").arg(akDir), 445​ execute(mMysqlCheckPath, { QStringLiteral("--defaults-file=%1/mysql.conf").arg(akDir),
442 QStringLiteral("--check-upgrade"), 446​ QStringLiteral("--check-upgrade"),
443 QStringLiteral("--auto-repair"), 447​ QStringLiteral("--auto-repair"),
444#ifndef Q_OS_WIN 448​#ifndef Q_OS_WIN
445 QStringLiteral("--socket=%1/mysql.socket").arg(socketDirectory), 449​ QStringLiteral("--socket=%1/%2").arg(socketDirectory, s_mysqlSocketFileName),
446#endif 450​#endif
447 mDatabaseName 451​ mDatabaseName
448 }); 452​ });
449 } 453​ }
450 454​
451 // Verify MySQL version 455​ // Verify MySQL version
452 { 456​ {
453 QSqlQuery query(db); 457​ QSqlQuery query(db);
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509 Q_UNUSED(exitCode); 513​ Q_UNUSED(exitCode);
510 Q_UNUSED(exitStatus); 514​ Q_UNUSED(exitStatus);
511 515​
512 qCCritical(AKONADISERVER_LOG) << "database server stopped unexpectedly"; 516​ qCCritical(AKONADISERVER_LOG) << "database server stopped unexpectedly";
513 517​
514#ifndef Q_OS_WIN 518​#ifndef Q_OS_WIN
515 // when the server stopped unexpectedly, make sure to remove the stale socket file since otherwise 519​ // when the server stopped unexpectedly, make sure to remove the stale socket file since otherwise
516 // it can not be started again 520​ // it can not be started again
517 const QString socketDirectory = Utils::preferredSocketDirectory(StandardDirs::saveDir("data", QStringLiteral("db_misc"))); 521​ const QString socketDirectory = Utils::preferredSocketDirectory(StandardDirs::saveDir("data", QStringLiteral("db_misc")),
518 const QString socketFile = QStringLiteral("%1/mysql.socket").arg(socketDirectory); 522​ s_mysqlSocketFileName.length());
523​ const QString socketFile = QStringLiteral("%1/%2").arg(socketDirectory, s_mysqlSocketFileName);
519 QFile::remove(socketFile); 524​ QFile::remove(socketFile);
520#endif 525​#endif
521 526​
522 QCoreApplication::quit(); 527​ QCoreApplication::quit();
523} 528​}
524 529​
525void DbConfigMysql::stopInternalServer() 530​void DbConfigMysql::stopInternalServer()
526{ 531​{
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