-/***************************************************************************
- * Copyright (C) 2005-07 by The Quassel Team *
- * devel@quassel-irc.org *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program 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 General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
-
-#include "backlog.h"
-#include "util.h"
-
-#define DBVERSION 1
-
-Backlog::Backlog() {
-
-
-}
-
-
-Backlog::~Backlog() {
- logDb.close();
-
- // FIXME Old stuff
- foreach(QDataStream *s, logStreams) {
- delete s;
- }
- foreach(QFile *f, logFiles) {
- if(f->isOpen()) f->close();
- delete f;
- }
-}
-
-
-void Backlog::init(QString _user) {
- user = _user;
- QDir backlogDir = QDir(Global::quasselDir);
- if(!backlogDir.exists()) {
- qWarning(QString("Creating backlog directory \"%1\"...").arg(backlogDir.absolutePath()).toAscii());
- if(!backlogDir.mkpath(backlogDir.absolutePath())) {
- qWarning(QString("Could not create backlog directory! Disabling logging...").toAscii());
- backlogEnabled = false;
- return;
- }
- }
- QString backlogFile = Global::quasselDir + "/quassel-backlog.sqlite";
- logDb = QSqlDatabase::addDatabase("QSQLITE", user);
- logDb.setDatabaseName(backlogFile);
- bool ok = logDb.open();
- if(!ok) {
- qWarning(tr("Could not open backlog database: %1").arg(logDb.lastError().text()).toAscii());
- qWarning(tr("Disabling logging...").toAscii());
- backlogEnabled = false; return;
- }
-
- if(!logDb.transaction()) qWarning(tr("Database driver does not support transactions. This might lead to a corrupt database!").toAscii());
- QString tname = QString("'Backlog$%1$'").arg(user);
- QSqlQuery query(logDb);
- /* DEBUG */
- //query.exec(QString("DROP TABLE %1").arg(tname)); // DEBUG
- //query.exec(QString("DROP TABLE 'Senders$%1$'").arg(user));
- //query.exec(QString("DROP TABLE 'Buffers$%1$'").arg(user));
- /* END DEBUG */
- query.exec(QString("CREATE TABLE IF NOT EXISTS %1 ("
- "MsgId INTEGER PRIMARY KEY AUTOINCREMENT,"
- "Time INTEGER,"
- "BufferId INTEGER,"
- "Type INTEGER,"
- "Flags INTEGER,"
- "SenderId INTEGER,"
- "Text BLOB"
- ")").arg(tname));
- query.exec(QString("INSERT OR REPLACE INTO %1 (MsgId, SenderId, Text) VALUES (0, '$VERSION$', %2)").arg(tname).arg(DBVERSION));
- query.exec(QString("CREATE TABLE IF NOT EXISTS 'Senders$%1$' (SenderId INTEGER PRIMARY KEY AUTOINCREMENT, Sender TEXT)").arg(user));
- query.exec(QString("CREATE TABLE IF NOT EXISTS 'Buffers$%1$' (BufferId INTEGER PRIMARY KEY AUTOINCREMENT, GroupId INTEGER, Network TEXT, Buffer TEXT)").arg(user));
- if(query.lastError().isValid()) {
- qWarning(tr("Could not create backlog table: %1").arg(query.lastError().text()).toAscii());
- qWarning(tr("Disabling logging...").toAscii());
- logDb.rollback();
- backlogEnabled = false; return;
- }
- // Find the next free uid numbers
- query.exec(QString("SELECT MsgId FROM %1 ORDER BY MsgId DESC LIMIT 1").arg(tname));
- query.first();
- if(query.value(0).isValid()) nextMsgId = query.value(0).toUInt() + 1;
- else {
- qWarning(tr("Something is wrong with the backlog database! %1").arg(query.lastError().text()).toAscii());
- nextMsgId = 1;
- }
- query.exec(QString("SELECT BufferId FROM 'Buffers$%1$' ORDER BY BufferId DESC LIMIT 1").arg(user));
- if(query.first()) {
- if(query.value(0).isValid()) nextBufferId = query.value(0).toUInt() + 1;
- else {
- qWarning(tr("Something is wrong with the backlog database! %1").arg(query.lastError().text()).toAscii());
- nextBufferId = 0;
- }
- } else nextBufferId = 0;
- query.exec(QString("SELECT SenderId FROM 'Senders$%1$' ORDER BY SenderId DESC LIMIT 1").arg(user));
- if(query.first()) {
- if(query.value(0).isValid()) nextSenderId = query.value(0).toUInt() + 1;
- else {
- qWarning(tr("Something is wrong with the backlog database! %1").arg(query.lastError().text()).toAscii());
- nextSenderId = 0;
- }
- } else nextSenderId = 0;
- logDb.commit();
- backlogEnabled = true;
-}
-
-uint Backlog::logMessage(Message msg) {
- if(!backlogEnabled) return 0;
- bool ok;
- logDb.transaction();
- QSqlQuery query(logDb);
- QString s = msg.sender; s.replace('\'', "''");
- QString t = msg.text; t.replace('\'', "''");
- // Let's do some space-saving optimizations...
- query.exec(QString("SELECT SenderId FROM 'Senders$%1$' WHERE Sender == '%2'").arg(user).arg(s));
- int suid;
- if(!query.first()) {
- query.exec(QString("INSERT INTO 'Senders$%1$' (SenderId, Sender) VALUES (%2, '%3')").arg(user).arg(nextSenderId).arg(s));
- suid = nextSenderId;
- } else suid = query.value(0).toInt();
- query.exec(QString("INSERT INTO 'Backlog$%1$' (MsgId, Time, BufferId, Type, Flags, SenderId, Text) VALUES (%2, %3, %4, %5, %6, %7, X'%8')").arg(user)
- .arg(nextMsgId).arg(msg.timeStamp.toTime_t()).arg(msg.buffer.uid()).arg(msg.type).arg(msg.flags).arg(suid).arg(t.toUtf8().toHex().constData()));
-
- if(query.lastError().isValid()) {
- qWarning(tr("Database error while logging: %1").arg(query.lastError().text()).toAscii());
- logDb.rollback();
- return 0;
- }
-
- nextMsgId++;
- if(suid == nextSenderId) nextSenderId++;
- logDb.commit();
- return nextMsgId - 1;
-}
-
-// TODO: optimize by keeping free IDs in memory? What about deleted IDs? Nickchanges for queries?
-BufferId Backlog::getBufferId(QString net, QString buf) {
- if(!backlogEnabled) {
- return BufferId(0, net, buf);
- }
- //QByteArray n = net.toUtf8().toHex();
- //QByteArray b = buf.toUtf8().toHex();
- bool flg = false;
- logDb.transaction();
- QSqlQuery query(logDb);
- int uid = -1;
- query.exec(QString("SELECT BufferId FROM 'Buffers$%1$' WHERE Network == '%2' AND Buffer == '%3'").arg(user).arg(net).arg(buf));
- if(!query.first()) {
- // TODO: joined buffers/queries
- query.exec(QString("INSERT INTO 'Buffers$%1$' (BufferId, GroupId, Network, Buffer) VALUES (%2, %2, '%3', '%4')").arg(user).arg(nextBufferId).arg(net).arg(buf));
- uid = nextBufferId++;
- flg = true;
- } else uid = query.value(0).toInt();
- logDb.commit();
- BufferId id(uid, net, buf, uid); // FIXME (joined buffers)
- if(flg) emit bufferIdUpdated(id);
- return id; // FIXME (joined buffers)
-}
-
-QList<BufferId> Backlog::requestBuffers(QDateTime since) {
- QList<BufferId> result;
- QSqlQuery query(logDb);
- if(!since.isValid()) {
- query.exec(QString("SELECT BufferId, GroupId, Network, Buffer FROM 'Buffers$%1$'").arg(user));
- } else {
- query.exec(QString("SELECT DISTINCT 'Buffers$%1$'.BufferId, GroupId, Network, Buffer FROM 'Buffers$%1$' NATURAL JOIN 'Backlog$%1$' "
- "WHERE Time >= %2").arg(user).arg(since.toTime_t()));
- }
- while(query.next()) {
- result.append(BufferId(query.value(0).toUInt(), query.value(2).toString(), query.value(3).toString(), query.value(1).toUInt()));
- }
- return result;
-}
-
-QList<Message> Backlog::requestMsgs(BufferId id, int lastlines, int offset) {
- QList<Message> result;
- QSqlQuery query(logDb);
- QString limit;
- if(lastlines > 0) limit = QString("LIMIT %1").arg(lastlines);
- query.exec(QString("SELECT MsgId, Time, Type, Flags, Sender, Text FROM 'Senders$%1$' NATURAL JOIN 'Backlog$%1$' "
- "WHERE BufferId IN (SELECT BufferId FROM 'Buffers$%1$' WHERE GroupId == %2) ORDER BY MsgId DESC %3").arg(user).arg(id.groupId()).arg(limit));
- while(query.next()) {
- if(offset >= 0 && query.value(0).toInt() >= offset) continue;
- Message msg(QDateTime::fromTime_t(query.value(1).toInt()), id, (Message::Type)query.value(2).toUInt(), QString::fromUtf8(query.value(5).toByteArray()),
- query.value(4).toString(), query.value(3).toUInt());
- msg.msgId = query.value(0).toUInt();
- result.append(msg);
- }
- return result;
-}
-
-
-// OBSOLETE
-// This is kept here for importing the old file-based backlog.
-
-void Backlog::importOldBacklog() {
- qDebug() << "Deleting backlog database...";
- logDb.exec(QString("DELETE FROM 'Backlog$%1$' WHERE SenderId != '$VERSION$'").arg(user));
- logDb.exec(QString("DELETE FROM 'Senders$%1$'").arg(user));
- logDb.exec(QString("DELETE FROM 'Buffers$%1$'").arg(user));
- nextMsgId = 1; nextBufferId = 1; nextSenderId = 1;
- qDebug() << "Importing old backlog files...";
- initBackLogOld();
- if(!backLogEnabledOld) return;
- logDb.exec("VACUUM");
- qDebug() << "Backlog successfully imported, you have to restart Quassel now!";
- exit(0);
-
-}
-
-// file name scheme: quassel-backlog-2006-29-10.bin
-void Backlog::initBackLogOld() {
- backLogDir = QDir(Global::quasselDir + "/backlog");
- if(!backLogDir.exists()) {
- qWarning(QString("Creating backlog directory \"%1\"...").arg(backLogDir.absolutePath()).toAscii());
- if(!backLogDir.mkpath(backLogDir.absolutePath())) {
- qWarning(QString("Could not create backlog directory! Disabling logging...").toAscii());
- backLogEnabledOld = false;
- return;
- }
- }
- backLogDir.refresh();
- //if(!backLogDir.isReadable()) {
- // qWarning(QString("Cannot read directory \"%1\". Disabling logging...").arg(backLogDir.absolutePath()).toAscii());
- // backLogEnabled = false;
- // return;
- //}
- QStringList networks = backLogDir.entryList(QDir::Dirs|QDir::NoDotAndDotDot|QDir::Readable, QDir::Name);
- foreach(QString net, networks) {
- QDir dir(backLogDir.absolutePath() + "/" + net);
- if(!dir.exists()) {
- qWarning(QString("Could not change to directory \"%1\"!").arg(dir.absolutePath()).toAscii());
- continue;
- }
- QStringList logs = dir.entryList(QStringList("quassel-backlog-*.bin"), QDir::Files|QDir::Readable, QDir::Name);
- foreach(QString name, logs) {
- QFile f(dir.absolutePath() + "/" + name);
- if(!f.open(QIODevice::ReadOnly)) {
- qWarning(QString("Could not open \"%1\" for reading!").arg(f.fileName()).toAscii());
- continue;
- }
- QDataStream in(&f);
- in.setVersion(QDataStream::Qt_4_2);
- QByteArray verstring; quint8 vernum; in >> verstring >> vernum;
- if(verstring != BACKLOG_STRING) {
- qWarning(QString("\"%1\" is not a Quassel backlog file!").arg(f.fileName()).toAscii());
- f.close(); continue;
- }
- if(vernum != BACKLOG_FORMAT) {
- qWarning(QString("\"%1\": Version mismatch!").arg(f.fileName()).toAscii());
- f.close(); continue;
- }
- qDebug() << "Reading backlog from" << f.fileName();
- logFileDates[net] = QDate::fromString(f.fileName(),
- QString("'%1/quassel-backlog-'yyyy-MM-dd'.bin'").arg(dir.absolutePath()));
- if(!logFileDates[net].isValid()) {
- qWarning(QString("\"%1\" has an invalid file name!").arg(f.fileName()).toAscii());
- }
- while(!in.atEnd()) {
- quint8 t, f;
- quint32 ts;
- QByteArray s, m, targ;
- in >> ts >> t >> f >> targ >> s >> m;
- QString target = QString::fromUtf8(targ);
- QString sender = QString::fromUtf8(s);
- QString text = QString::fromUtf8(m);
- BufferId id;
- if((f & Message::PrivMsg) && !(f & Message::Self)) {
- id = getBufferId(net, sender);
- } else {
- id = getBufferId(net, target);
- }
- Message msg(QDateTime::fromTime_t(ts), id, (Message::Type)t, text, sender, f);
- //backLog[net].append(m);
- logMessage(msg);
- }
- f.close();
- }
- }
- backLogEnabledOld = true;
-}
-
-
-/** Log a core message (emitted via a displayMsg() signal) to the backlog file.
- * If a file for the current day does not exist, one will be created. Otherwise, messages will be appended.
- * The file header is the string defined by BACKLOG_STRING, followed by a quint8 specifying the format
- * version (BACKLOG_FORMAT). The rest is simply serialized Message objects.
- */
-void Backlog::logMessageOld(QString net, Message msg) {
- backLog[net].append(msg);
- if(!logFileDirs.contains(net)) {
- QDir dir(backLogDir.absolutePath() + "/" + net);
- if(!dir.exists()) {
- qWarning(QString("Creating backlog directory \"%1\"...").arg(dir.absolutePath()).toAscii());
- if(!dir.mkpath(dir.absolutePath())) {
- qWarning(QString("Could not create backlog directory!").toAscii());
- return;
- }
- }
- logFileDirs[net] = dir;
- Q_ASSERT(!logFiles.contains(net) && !logStreams.contains(net));
- if(!logFiles.contains(net)) logFiles[net] = new QFile();
- if(!logStreams.contains(net)) logStreams[net] = new QDataStream();
- }
- if(!logFileDates[net].isValid() || logFileDates[net] < QDate::currentDate()) {
- if(logFiles[net]->isOpen()) logFiles[net]->close();
- logFileDates[net] = QDate::currentDate();
- }
- if(!logFiles[net]->isOpen()) {
- logFiles[net]->setFileName(QString("%1/%2").arg(logFileDirs[net].absolutePath())
- .arg(logFileDates[net].toString("'quassel-backlog-'yyyy-MM-dd'.bin'")));
- if(!logFiles[net]->open(QIODevice::WriteOnly|QIODevice::Append|QIODevice::Unbuffered)) {
- qWarning(QString("Could not open \"%1\" for writing: %2")
- .arg(logFiles[net]->fileName()).arg(logFiles[net]->errorString()).toAscii());
- return;
- }
- logStreams[net]->setDevice(logFiles[net]); logStreams[net]->setVersion(QDataStream::Qt_4_2);
- if(!logFiles[net]->size()) *logStreams[net] << BACKLOG_STRING << (quint8)BACKLOG_FORMAT;
- }
- *logStreams[net] << msg;
-}
-
-