mirror of
https://github.com/pgadmin-org/pgadmin4.git
synced 2025-01-12 09:01:57 -06:00
97 lines
2.3 KiB
C++
97 lines
2.3 KiB
C++
//////////////////////////////////////////////////////////////////////////
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//
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// pgAdmin 4 - PostgreSQL Tools
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//
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// Copyright (C) 2013 - 2020, The pgAdmin Development Team
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// This software is released under the PostgreSQL Licence
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//
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// LogWindow.cpp - Log viewer window
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//
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//////////////////////////////////////////////////////////////////////////
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#include "pgAdmin4.h"
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#include "LogWindow.h"
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#include "ui_LogWindow.h"
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#include <QTime>
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#include <stdio.h>
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LogWindow::LogWindow(QWidget *parent, QString serverLogFile) :
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QDialog(parent),
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m_serverLogFile(serverLogFile)
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{
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ui = new Ui::LogWindow;
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ui->setupUi(this);
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}
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void LogWindow::LoadLog()
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{
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int startupLines;
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int serverLines;
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ui->lblStatus->setText(tr("Loading logfiles..."));
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startupLines = this->readLog(QDir::homePath() + (QString("/.%1.startup.log").arg(PGA_APP_NAME)).remove(" "), ui->textStartupLog);
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serverLines = this->readLog(m_serverLogFile, ui->textServerLog);
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ui->lblStatus->setText(QString(tr("Loaded startup log (%1 lines) and server log (%2 lines).")).arg(startupLines).arg(serverLines));
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}
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void LogWindow::reload()
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{
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this->LoadLog();
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}
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// Read the logfile
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int LogWindow::readLog(QString logFile, QPlainTextEdit *logWidget)
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{
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FILE *log;
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char *buffer;
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long len = 0;
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int i;
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int lines = 0;
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// Look busy!
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QApplication::setOverrideCursor(Qt::WaitCursor);
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this->setDisabled(true);
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QCoreApplication::processEvents( QEventLoop::AllEvents, 100 );
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logWidget->clear();
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// Attempt to open the file
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log = fopen(logFile.toUtf8().data(), "r");
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if (log == Q_NULLPTR)
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{
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logWidget->setPlainText(QString(tr("The log file (%1) could not be opened.")).arg(m_serverLogFile));
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this->setDisabled(false);
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QApplication::restoreOverrideCursor();
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return 0;
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}
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// Get the file size, and read the data
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fseek(log, 0, SEEK_END);
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len = ftell(log);
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rewind(log);
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buffer = static_cast<char *>(malloc((len + 1) * sizeof(char)));
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for (i = 0; i < len; i++) {
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if (fread(buffer + i, 1, 1, log) > 0 && buffer[i] == '\n')
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lines++;
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}
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buffer[i] = 0;
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fclose(log);
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logWidget->setPlainText(buffer);
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// And... relax
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this->setDisabled(false);
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QApplication::restoreOverrideCursor();
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return lines;
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}
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