jsonrpcserver.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
// Qt
#include <QMap>
#include <QObject>
#include <QWebSocket>
#include <QWebSocketServer>
// STL
#include <functional>
 
struct JsonRPCResult {
    static JsonRPCResult error(int code, QString message) {
        JsonRPCResult result;
        {
            result.isError = true;
            result.error_code = code;
            result.error_message = message;
        }
        return result;
    }
 
    static JsonRPCResult success(QVariant value) {
        JsonRPCResult result;
        {
            result.isError = false;
            result.result = value;
        }
        return result;
    }
 
    bool isError{true};
    int error_code{-32601};
    QString error_message = "Method not found";
    QVariant result;
};
 
class JsonRPCServer : public QObject {
    Q_OBJECT
public:
    explicit JsonRPCServer(QObject *parent = nullptr);
    ~JsonRPCServer();
 
    void listen(unsigned int port);
    void close();
 
signals:
    JsonRPCResult execute(QString method, QMap<QString, QVariant> params);
private slots:
    void onNewConnection();
    void onClosed();
    void processTextMessage(QString message);
    void processBinaryMessage(QByteArray message);
    void socketDisconnected();
 
private:
    QWebSocketServer *ws_server{nullptr};
    QList<QWebSocket *> connections;
};