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_HTTP_SESSIONREQUEST_H
#define BACKENDS_NETWORKING_HTTP_SESSIONREQUEST_H
 
#include "backends/networking/http/httprequest.h"
#include "common/memstream.h"
 
namespace Common {
class DumpFile;
class JSONValue;
class Path;
}
 
namespace Networking {
 
#define HTTP_SESSION_REQUEST_BUFFER_SIZE 512 * 1024
 
struct SessionFileResponse {
    byte *buffer;
    uint32 len;
    bool eos;
};
 
class SessionRequest: public HttpRequest {
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