sessionrequest.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef BACKENDS_NETWORKING_CURL_SESSIONREQUEST_H
#define BACKENDS_NETWORKING_CURL_SESSIONREQUEST_H

#include "backends/networking/curl/curlrequest.h"
#include "common/memstream.h"

namespace Common {
class DumpFile;
class JSONValue;
class Path;
}

namespace Networking {

#define CURL_SESSION_REQUEST_BUFFER_SIZE 512 * 1024

struct SessionFileResponse {
    byte *buffer;
    uint32 len;
    bool eos;
};

class SessionRequest: public CurlRequest {
protected:
    Common::MemoryWriteStreamDynamic _contentsStream;
    byte *_buffer;
    char *_text;
    bool _started, _complete, _success;
    bool _binary;
    Common::DumpFile *_localFile;
    SessionFileResponse _response;

    bool reuseStream();

    char *getPreparedContents();

    void finishError(const ErrorResponse &error, RequestState state = PAUSED) override;
    void finishSuccess() override;
    void openLocalFile(const Common::Path &localFile);

public:
    SessionRequest(const Common::String &url, const Common::Path &localFile, DataCallback cb = nullptr, ErrorCallback ecb = nullptr, bool binary = false);
    ~SessionRequest() override;

    void start();
    void startAndWait();

    void reuse(const Common::String &url, const Common::Path &localFile, DataCallback cb = nullptr, ErrorCallback ecb = nullptr, bool binary = false);

    void handle() override;
    void restart() override;

    void close();

    void abortRequest();

    bool complete();
    bool success();

    char *text();
    Common::JSONValue *json();

    byte *getData() { return _contentsStream.getData(); }
    uint32 getSize() { return _contentsStream.size(); }

};

} // End of namespace Networking

#endif