+/***************************************************************************
+ * 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 BLOB)").arg(user));
+ query.exec(QString("CREATE TABLE IF NOT EXISTS 'Buffers$%1$' (BufferId INTEGER PRIMARY KEY AUTOINCREMENT, GroupId INTEGER, Network BLOB, Buffer BLOB)").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('\'', "''"); QByteArray bs = s.toUtf8().toHex();
+ QString t = msg.text; t.replace('\'', "''");
+ // Let's do some space-saving optimizations...
+ query.exec(QString("SELECT SenderId FROM 'Senders$%1$' WHERE Sender == X'%2'").arg(user).arg(bs.constData()));
+ int suid;
+ if(!query.first()) {
+ query.exec(QString("INSERT INTO 'Senders$%1$' (SenderId, Sender) VALUES (%2, X'%3')").arg(user).arg(nextSenderId).arg(bs.constData()));
+ 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();
+ logDb.transaction();
+ QSqlQuery query(logDb);
+ int uid = -1;
+ query.exec(QString("SELECT BufferId FROM 'Buffers$%1$' WHERE Network == X'%2' AND Buffer == X'%3'").arg(user).arg(n.constData()).arg(b.constData()));
+ if(!query.first()) {
+ // TODO: joined buffers/queries
+ query.exec(QString("INSERT INTO 'Buffers$%1$' (BufferId, GroupId, Network, Buffer) VALUES (%2, %2, X'%3', X'%4')").arg(user).arg(nextBufferId).arg(n.constData()).arg(b.constData()));
+ uid = nextBufferId++;
+ } else uid = query.value(0).toInt();
+ logDb.commit();
+ return BufferId(uid, net, buf, uid); // 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(), QString::fromUtf8(query.value(2).toByteArray()), QString::fromUtf8(query.value(3).toByteArray()), 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()),
+ QString::fromUtf8(query.value(4).toByteArray()), 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;
+}
+
+
projects / quassel.git / commitdiff