QGIS/external/o2/src/o2requestor.h
2018-06-25 11:39:52 +02:00

84 lines
2.2 KiB
C++

#ifndef O2REQUESTOR_H
#define O2REQUESTOR_H
#include <QObject>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QNetworkAccessManager>
#include <QUrl>
#include <QByteArray>
#include "o0export.h"
#include "o2reply.h"
class O2;
/// Makes authenticated requests.
class O0_EXPORT O2Requestor: public QObject {
Q_OBJECT
public:
explicit O2Requestor(QNetworkAccessManager *manager, O2 *authenticator, QObject *parent = 0);
~O2Requestor();
public Q_SLOTS:
/// Make a GET request.
/// @return Request ID or -1 if there are too many requests in the queue.
int get(const QNetworkRequest &req);
/// Make a POST request.
/// @return Request ID or -1 if there are too many requests in the queue.
int post(const QNetworkRequest &req, const QByteArray &data);
/// Make a PUT request.
/// @return Request ID or -1 if there are too many requests in the queue.
int put(const QNetworkRequest &req, const QByteArray &data);
Q_SIGNALS:
/// Emitted when a request has been completed or failed.
void finished(int id, QNetworkReply::NetworkError error, QByteArray data);
/// Emitted when an upload has progressed.
void uploadProgress(int id, qint64 bytesSent, qint64 bytesTotal);
protected Q_SLOTS:
/// Handle refresh completion.
void onRefreshFinished(QNetworkReply::NetworkError error);
/// Handle request finished.
void onRequestFinished();
/// Handle request error.
void onRequestError(QNetworkReply::NetworkError error);
/// Re-try request (after successful token refresh).
void retry();
/// Finish the request, Q_EMIT finished() signal.
void finish();
/// Handle upload progress.
void onUploadProgress(qint64 uploaded, qint64 total);
protected:
int setup(const QNetworkRequest &request, QNetworkAccessManager::Operation operation);
enum Status {
Idle, Requesting, ReRequesting
};
QNetworkAccessManager *manager_;
O2 *authenticator_;
QNetworkRequest request_;
QByteArray data_;
QNetworkReply *reply_;
Status status_;
int id_;
QNetworkAccessManager::Operation operation_;
QUrl url_;
O2ReplyList timedReplies_;
QNetworkReply::NetworkError error_;
};
#endif // O2REQUESTOR_H