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download files error handling

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This commit is contained in:
Blue 2019-09-18 16:27:47 +03:00
parent cc54c6393a
commit 2089d6af86
13 changed files with 199 additions and 9 deletions
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137
core/networkaccess.cpp
View file

@ -21,7 +21,7 @@
Core::NetworkAccess::NetworkAccess(QObject* parent):
QObject(parent),
running(false),
manager(),
manager(0),
files("files"),
downloads()
{
@ -29,7 +29,7 @@ Core::NetworkAccess::NetworkAccess(QObject* parent):
Core::NetworkAccess::~NetworkAccess()
{
stop();
}
void Core::NetworkAccess::fileLocalPathRequest(const QString& messageId, const QString& url)
@ -93,6 +93,7 @@ void Core::NetworkAccess::downladFileRequest(const QString& messageId, const QSt
void Core::NetworkAccess::start()
{
if (!running) {
manager = new QNetworkAccessManager();
files.open();
running = true;
}
@ -102,7 +103,14 @@ void Core::NetworkAccess::stop()
{
if (running) {
files.close();
manager->deleteLater();
manager = 0;
running = false;
for (std::map<QString, Download*>::const_iterator itr = downloads.begin(), end = downloads.end(); itr != end; ++itr) {
itr->second->success = false;
itr->second->reply->abort(); //assuming it's gonna call onRequestFinished slot
}
}
}
@ -133,7 +141,128 @@ void Core::NetworkAccess::onRequestError(QNetworkReply::NetworkError code)
if (itr == downloads.end()) {
qDebug() << "an error downloading" << url << ": the request is reporting an error but seems like noone is waiting for it, skipping";
} else {
itr->second->success = false;
QString errorText;
switch (code) {
case QNetworkReply::NoError:
//this never is supposed to happen
break;
// network layer errors [relating to the destination server] (1-99):
case QNetworkReply::ConnectionRefusedError:
errorText = "Connection refused";
break;
case QNetworkReply::RemoteHostClosedError:
errorText = "Remote server closed the connection";
break;
case QNetworkReply::HostNotFoundError:
errorText = "Remote host is not found";
break;
case QNetworkReply::TimeoutError:
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
break;
case QNetworkReply::SslHandshakeFailedError:
errorText = "Security error"; //TODO need to handle sslErrors signal to get a better description here
break;
case QNetworkReply::TemporaryNetworkFailureError:
//this means the connection is lost by opened route, but it's going to be resumed, not sure I need to notify
break;
case QNetworkReply::NetworkSessionFailedError:
errorText = "Outgoing connection problem";
break;
case QNetworkReply::BackgroundRequestNotAllowedError:
errorText = "Background request is not allowed";
break;
case QNetworkReply::TooManyRedirectsError:
errorText = "The request was redirected too many times";
break;
case QNetworkReply::InsecureRedirectError:
errorText = "The request was redirected to insecure connection";
break;
case QNetworkReply::UnknownNetworkError:
errorText = "Unknown network error";
break;
// proxy errors (101-199):
case QNetworkReply::ProxyConnectionRefusedError:
errorText = "The connection to the proxy server was refused";
break;
case QNetworkReply::ProxyConnectionClosedError:
errorText = "Proxy server closed the connection";
break;
case QNetworkReply::ProxyNotFoundError:
errorText = "Proxy host was not found";
break;
case QNetworkReply::ProxyTimeoutError:
errorText = "Connection to the proxy server was closed because it timed out";
break;
case QNetworkReply::ProxyAuthenticationRequiredError:
errorText = "Couldn't connect to proxy server, authentication is required";
break;
case QNetworkReply::UnknownProxyError:
errorText = "Unknown proxy error";
break;
// content errors (201-299):
case QNetworkReply::ContentAccessDenied:
errorText = "The access to file is denied";
break;
case QNetworkReply::ContentOperationNotPermittedError:
errorText = "The operation over requesting file is not permitted";
break;
case QNetworkReply::ContentNotFoundError:
errorText = "The file was not found";
break;
case QNetworkReply::AuthenticationRequiredError:
errorText = "Couldn't access the file, authentication is required";
break;
case QNetworkReply::ContentReSendError:
errorText = "Sending error, one more attempt will probably solve this problem";
break;
case QNetworkReply::ContentConflictError:
errorText = "The request could not be completed due to a conflict with the current state of the resource";
break;
case QNetworkReply::ContentGoneError:
errorText = "The requested resource is no longer available at the server";
break;
case QNetworkReply::UnknownContentError:
errorText = "Unknown content error";
break;
// protocol errors
case QNetworkReply::ProtocolUnknownError:
errorText = "Unknown protocol error";
break;
case QNetworkReply::ProtocolInvalidOperationError:
errorText = "Requested operation is not permitted in this protocol";
break;
case QNetworkReply::ProtocolFailure:
errorText = "Low level protocol error";
break;
// Server side errors (401-499)
case QNetworkReply::InternalServerError:
errorText = "Internal server error";
break;
case QNetworkReply::OperationNotImplementedError:
errorText = "Server doesn't support requested operation";
break;
case QNetworkReply::ServiceUnavailableError:
errorText = "The server is not available for this operation right now";
break;
case QNetworkReply::UnknownServerError:
errorText = "Unknown server error";
break;
}
if (errorText.size() > 0) {
itr->second->success = false;
Download* dwn = itr->second;
for (std::set<QString>::const_iterator mItr = dwn->messages.begin(), end = dwn->messages.end(); mItr != end; ++mItr) {
emit downloadFileError(*mItr, errorText);
}
}
}
}
@ -193,7 +322,7 @@ void Core::NetworkAccess::startDownload(const QString& messageId, const QString&
{
Download* dwn = new Download({{messageId}, 0, 0, true});
QNetworkRequest req(url);
dwn->reply = manager.get(req);
dwn->reply = manager->get(req);
connect(dwn->reply, SIGNAL(downloadProgress(qint64, qint64)), SLOT(onDownloadProgress(qint64, qint64)));
connect(dwn->reply, SIGNAL(error(QNetworkReply::NetworkError)), SLOT(onRequestError(QNetworkReply::NetworkError)));
connect(dwn->reply, SIGNAL(finished()), SLOT(onRequestFinished()));

3
core/networkaccess.h
View file

@ -50,6 +50,7 @@ public:
signals:
void fileLocalPathResponse(const QString& messageId, const QString& path);
void downloadFileProgress(const QString& messageId, qreal value);
void downloadFileError(const QString& messageId, const QString& path);
public slots:
void fileLocalPathRequest(const QString& messageId, const QString& url);
@ -65,7 +66,7 @@ private slots:
private:
bool running;
QNetworkAccessManager manager;
QNetworkAccessManager* manager;
Storage files;
std::map<QString, Download*> downloads;

1
core/squawk.cpp
View file

@ -30,6 +30,7 @@ Core::Squawk::Squawk(QObject* parent):
{
connect(&network, SIGNAL(fileLocalPathResponse(const QString&, const QString&)), this, SIGNAL(fileLocalPathResponse(const QString&, const QString&)));
connect(&network, SIGNAL(downloadFileProgress(const QString&, qreal)), this, SIGNAL(downloadFileProgress(const QString&, qreal)));
connect(&network, SIGNAL(downloadFileError(const QString&, const QString&)), this, SIGNAL(downloadFileError(const QString&, const QString&)));
}
Core::Squawk::~Squawk()

1
core/squawk.h
View file

@ -63,6 +63,7 @@ signals:
void changeRoomParticipant(const QString& account, const QString& jid, const QString& name, const QMap<QString, QVariant>& data);
void removeRoomParticipant(const QString& account, const QString& jid, const QString& name);
void fileLocalPathResponse(const QString& messageId, const QString& path);
void downloadFileError(const QString& messageId, const QString& error);
void downloadFileProgress(const QString& messageId, qreal value);
public slots: