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basic error download/upload files handling, need more testing

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This commit is contained in:
Blue 2021-05-14 22:49:38 +03:00
parent bd07c49755
commit 4307262f6e
8 changed files with 206 additions and 77 deletions
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76
core/networkaccess.cpp
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@ -70,6 +70,9 @@ void Core::NetworkAccess::start()
{
if (!running) {
manager = new QNetworkAccessManager();
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
manager->setTransferTimeout();
#endif
storage.open();
running = true;
}
@ -99,31 +102,56 @@ void Core::NetworkAccess::onDownloadProgress(qint64 bytesReceived, qint64 bytesT
qDebug() << "an error downloading" << url << ": the request had some progress but seems like no one is waiting for it, skipping";
} else {
Transfer* dwn = itr->second;
qreal received = bytesReceived;
qreal total = bytesTotal;
qreal progress = received/total;
dwn->progress = progress;
emit loadFileProgress(dwn->messages, progress, false);
if (dwn->success) {
qreal received = bytesReceived;
qreal total = bytesTotal;
qreal progress = received/total;
dwn->progress = progress;
emit loadFileProgress(dwn->messages, progress, false);
}
}
}
void Core::NetworkAccess::onDownloadError(QNetworkReply::NetworkError code)
{
qDebug() << "DEBUG: DOWNLOAD ERROR";
QNetworkReply* rpl = static_cast<QNetworkReply*>(sender());
qDebug() << rpl->errorString();
QString url = rpl->url().toString();
std::map<QString, Transfer*>::const_iterator itr = downloads.find(url);
if (itr == downloads.end()) {
qDebug() << "an error downloading" << url << ": the request is reporting an error but seems like no one is waiting for it, skipping";
} else {
QString errorText = getErrorText(code);
if (errorText.size() > 0) {
//if (errorText.size() > 0) {
itr->second->success = false;
Transfer* dwn = itr->second;
emit loadFileError(dwn->messages, errorText, false);
}
//}
}
}
void Core::NetworkAccess::onDownloadSSLError(const QList<QSslError>& errors)
{
qDebug() << "DEBUG: DOWNLOAD SSL ERRORS";
for (const QSslError& err : errors) {
qDebug() << err.errorString();
}
QNetworkReply* rpl = static_cast<QNetworkReply*>(sender());
QString url = rpl->url().toString();
std::map<QString, Transfer*>::const_iterator itr = downloads.find(url);
if (itr == downloads.end()) {
qDebug() << "an SSL error downloading" << url << ": the request is reporting an error but seems like no one is waiting for it, skipping";
} else {
//if (errorText.size() > 0) {
itr->second->success = false;
Transfer* dwn = itr->second;
emit loadFileError(dwn->messages, "SSL errors occured", false);
//}
}
}
QString Core::NetworkAccess::getErrorText(QNetworkReply::NetworkError code)
{
QString errorText("");
@ -146,7 +174,11 @@ QString Core::NetworkAccess::getErrorText(QNetworkReply::NetworkError code)
errorText = "Connection was closed because it timed out";
break;
case QNetworkReply::OperationCanceledError:
//this means I closed it myself by abort() or close(), don't think I need to notify here
//this means I closed it myself by abort() or close()
//I don't call them directory, but this is the error code
//Qt returns when it can not resume donwload after the network failure
//or when the download is canceled by the timout;
errorText = "Connection lost";
break;
case QNetworkReply::SslHandshakeFailedError:
errorText = "Security error"; //TODO need to handle sslErrors signal to get a better description here
@ -247,6 +279,7 @@ QString Core::NetworkAccess::getErrorText(QNetworkReply::NetworkError code)
void Core::NetworkAccess::onDownloadFinished()
{
qDebug() << "DEBUG: DOWNLOAD FINISHED";
QNetworkReply* rpl = static_cast<QNetworkReply*>(sender());
QString url = rpl->url().toString();
std::map<QString, Transfer*>::const_iterator itr = downloads.find(url);
@ -256,11 +289,14 @@ void Core::NetworkAccess::onDownloadFinished()
Transfer* dwn = itr->second;
if (dwn->success) {
qDebug() << "download success for" << url;
QString err;
QStringList hops = url.split("/");
QString fileName = hops.back();
QString jid;
if (dwn->messages.size() > 0) {
jid = dwn->messages.front().jid;
} else {
qDebug() << "An attempt to save the file but it doesn't seem to belong to any message, download is definately going to be broken";
}
QString path = prepareDirectory(jid);
if (path.size() > 0) {
@ -274,15 +310,16 @@ void Core::NetworkAccess::onDownloadFinished()
qDebug() << "file" << path << "was successfully downloaded";
} else {
qDebug() << "couldn't save file" << path;
path = QString();
err = "Error opening file to write:" + file.errorString();
}
} else {
err = "Couldn't prepare a directory for file";
}
if (path.size() > 0) {
emit downloadFileComplete(dwn->messages, path);
} else {
//TODO do I need to handle the failure here or it's already being handled in error?
//emit loadFileError(dwn->messages, path, false);
emit loadFileError(dwn->messages, "Error saving file " + url + "; " + err, false);
}
}
@ -298,6 +335,7 @@ void Core::NetworkAccess::startDownload(const std::list<Shared::MessageInfo>& ms
QNetworkRequest req(url);
dwn->reply = manager->get(req);
connect(dwn->reply, &QNetworkReply::downloadProgress, this, &NetworkAccess::onDownloadProgress);
connect(dwn->reply, &QNetworkReply::sslErrors, this, &NetworkAccess::onDownloadSSLError);
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
connect(dwn->reply, qOverload<QNetworkReply::NetworkError>(&QNetworkReply::errorOccurred), this, &NetworkAccess::onDownloadError);
#else
@ -317,11 +355,11 @@ void Core::NetworkAccess::onUploadError(QNetworkReply::NetworkError code)
qDebug() << "an error uploading" << url << ": the request is reporting an error but there is no record of it being uploading, ignoring";
} else {
QString errorText = getErrorText(code);
if (errorText.size() > 0) {
//if (errorText.size() > 0) {
itr->second->success = false;
Transfer* upl = itr->second;
emit loadFileError(upl->messages, errorText, true);
}
//}
//TODO deletion?
}
@ -360,11 +398,13 @@ void Core::NetworkAccess::onUploadProgress(qint64 bytesReceived, qint64 bytesTot
qDebug() << "an error downloading" << url << ": the request had some progress but seems like no one is waiting for it, skipping";
} else {
Transfer* upl = itr->second;
qreal received = bytesReceived;
qreal total = bytesTotal;
qreal progress = received/total;
upl->progress = progress;
emit loadFileProgress(upl->messages, progress, true);
if (upl->success) {
qreal received = bytesReceived;
qreal total = bytesTotal;
qreal progress = received/total;
upl->progress = progress;
emit loadFileProgress(upl->messages, progress, true);
}
}
}

1
core/networkaccess.h
View file

@ -75,6 +75,7 @@ private:
private slots:
void onDownloadProgress(qint64 bytesReceived, qint64 bytesTotal);
void onDownloadError(QNetworkReply::NetworkError code);
void onDownloadSSLError(const QList<QSslError> &errors);
void onDownloadFinished();
void onUploadProgress(qint64 bytesReceived, qint64 bytesTotal);
void onUploadError(QNetworkReply::NetworkError code);