104 lines
2.6 KiB
C++
104 lines
2.6 KiB
C++
/*
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* This file Copyright (C) 2014-2016 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*
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*/
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#pragma once
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#include <memory>
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#include <optional>
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#include <string_view>
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#include <QFuture>
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#include <QFutureInterface>
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#include <QHash>
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#include <QNetworkRequest>
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#include <QNetworkReply>
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#include <QObject>
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#include <QString>
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#include <QUrl>
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#include <libtransmission/transmission.h>
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#include <libtransmission/quark.h>
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#include <libtransmission/variant.h>
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#include "Macros.h"
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class QByteArray;
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class QNetworkAccessManager;
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using TrVariantPtr = std::shared_ptr<tr_variant>;
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Q_DECLARE_METATYPE(TrVariantPtr)
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extern "C"
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{
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struct evbuffer;
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struct tr_session;
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}
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struct RpcResponse
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{
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QString result;
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TrVariantPtr args;
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bool success = false;
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QNetworkReply::NetworkError networkError = QNetworkReply::NoError;
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};
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Q_DECLARE_METATYPE(QFutureInterface<RpcResponse>)
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// The response future -- the RPC engine returns one for each request made.
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using RpcResponseFuture = QFuture<RpcResponse>;
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class RpcClient : public QObject
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{
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Q_OBJECT
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TR_DISABLE_COPY_MOVE(RpcClient)
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public:
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explicit RpcClient(QObject* parent = nullptr);
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void stop();
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void start(tr_session* session);
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void start(QUrl const& url);
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bool isLocal() const;
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QUrl const& url() const;
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RpcResponseFuture exec(tr_quark method, tr_variant* args);
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RpcResponseFuture exec(std::string_view method, tr_variant* args);
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signals:
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void httpAuthenticationRequired();
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void dataReadProgress();
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void dataSendProgress();
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void networkResponse(QNetworkReply::NetworkError code, QString const& message);
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private slots:
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void networkRequestFinished(QNetworkReply* reply);
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void localRequestFinished(TrVariantPtr response);
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private:
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RpcResponseFuture sendRequest(TrVariantPtr json);
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QNetworkAccessManager* networkAccessManager();
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int64_t getNextTag();
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void sendNetworkRequest(TrVariantPtr json, QFutureInterface<RpcResponse> const& promise);
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void sendLocalRequest(TrVariantPtr json, QFutureInterface<RpcResponse> const& promise, int64_t tag);
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int64_t parseResponseTag(tr_variant& response);
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RpcResponse parseResponseData(tr_variant& response);
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static void localSessionCallback(tr_session* s, tr_variant* response, void* vself) noexcept;
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std::optional<QNetworkRequest> request_;
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tr_session* session_ = {};
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QString session_id_;
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QUrl url_;
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QNetworkAccessManager* nam_ = {};
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QHash<int64_t, QFutureInterface<RpcResponse>> local_requests_;
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int64_t next_tag_ = {};
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};
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