void Writer::removeIndex() const
{
QFile idxFile(indexFile);
if (idxFile.exists())
idxFile.remove();
QFile docFile(documentFile);
if (docFile.exists())
docFile.remove();
}
void HttpGet::getFileFinish()
{
m_cachefile = m_cachedir.absolutePath() + "/rbutil-cache/" + m_hash;
QString indexFile = m_cachedir.absolutePath() + "/rbutil-cache/cache.txt";
if(m_usecache) {
// check if the file is present in cache
QFileInfo cachefile = QFileInfo(m_cachefile);
if(cachefile.isReadable()
&& cachefile.size() > 0
&& cachefile.lastModified() > m_serverTimestamp) {
qDebug() << "[HTTP] Cache: up-to-date file found:" << m_cachefile;
getRequest = -1;
QFile c(m_cachefile);
if(!outputToBuffer) {
qDebug() << "[HTTP] Cache: copying file to output"
<< outputFile->fileName();
c.open(QIODevice::ReadOnly);
outputFile->open(QIODevice::ReadWrite);
outputFile->write(c.readAll());
outputFile->close();
c.close();
}
else {
qDebug() << "[HTTP] Cache: reading file into buffer";
c.open(QIODevice::ReadOnly);
dataBuffer = c.readAll();
c.close();
}
m_response = 200; // fake "200 OK" HTTP response
m_cached = true;
httpDone(false); // we're done now. Handle http "done" signal.
return;
}
else {
// unlink old cache file
if(cachefile.isReadable()) {
QFile(m_cachefile).remove();
qDebug() << "[HTTP] Cache: outdated, timestamp:"
<< cachefile.lastModified();
}
qDebug() << "[HTTP] Cache: caching as" << m_cachefile;
// update cache index file
QFile idxFile(indexFile);
idxFile.open(QIODevice::ReadOnly);
QByteArray currLine;
do {
QByteArray currLine = idxFile.readLine(1000);
if(currLine.startsWith(m_hash.toUtf8()))
break;
} while(!currLine.isEmpty());
idxFile.close();
if(currLine.isEmpty()) {
idxFile.open(QIODevice::Append);
QString outline = m_hash + "\t" + m_header.value("Host") + "\t"
+ m_path + "\t" + m_query + "\n";
idxFile.write(outline.toUtf8());
idxFile.close();
}
}
}
else {
qDebug() << "[HTTP] cache DISABLED";
}
// schedule GET request
m_header.setRequest("GET", m_path + m_query);
if(outputToBuffer) {
qDebug() << "[HTTP] downloading to buffer.";
getRequest = http.request(m_header);
}
else {
qDebug() << "[HTTP] downloading to file:"
<< qPrintable(outputFile->fileName());
getRequest = http.request(m_header, 0, outputFile);
}
qDebug() << "[HTTP] GET scheduled: " << getRequest;
return;
}
