+// file name scheme: quassel-backlog-2006-29-10.bin
+void Core::initBackLog() {
+ 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());
+ backLogEnabled = false;
+ return;
+ }
+ }
+ backLogDir.refresh();
+ //if(!backLogDir.isReadable()) {
+ // qWarning(QString("Cannot read directory \"%1\". Disabling logging...").arg(backLogDir.absolutePath()).toAscii());
+ // backLogEnabled = false;
+ // return;
+ //}
+ QStringList logs = backLogDir.entryList(QStringList("quassel-backlog-*.bin"), QDir::Files|QDir::Readable, QDir::Name);
+ foreach(QString name, logs) {
+ QFile f(backLogDir.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();
+ currentLogFileDate = QDate::fromString(f.fileName(), QString("'%1/quassel-backlog-'yyyy-MM-dd'.bin'").arg(backLogDir.absolutePath()));
+ if(!currentLogFileDate.isValid()) {
+ qWarning(QString("\"%1\" has an invalid file name!").arg(f.fileName()).toAscii());
+ }
+ while(!in.atEnd()) {
+ Message m;
+ in >> m;
+ backLog.append(m);
+ }
+ f.close();
+ }
+ backLogEnabled = 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 Core::logMessage(Message msg) {
+ backLog.append(msg);
+ if(!currentLogFileDate.isValid() || currentLogFileDate < QDate::currentDate()) {
+ if(currentLogFile.isOpen()) currentLogFile.close();
+ currentLogFileDate = QDate::currentDate();
+ }
+ if(!currentLogFile.isOpen()) {
+ currentLogFile.setFileName(backLogDir.absolutePath() + "/" + currentLogFileDate.toString("'quassel-backlog-'yyyy-MM-dd'.bin'"));
+ if(!currentLogFile.open(QIODevice::WriteOnly|QIODevice::Append)) {
+ qWarning(QString("Could not open \"%1\" for writing: %2").arg(currentLogFile.fileName()).arg(currentLogFile.errorString()).toAscii());
+ return;
+ }
+ logStream.setDevice(¤tLogFile); logStream.setVersion(QDataStream::Qt_4_2);
+ if(!currentLogFile.size()) logStream << BACKLOG_STRING << (quint8)BACKLOG_FORMAT;
+ }
+ logStream << msg;
+}