/****************************************************************************
Copyright (c) 2013 cocos2d-x.org
Copyright (c) 2013-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/

#ifndef  _FILE_SERVER__H_
#define  _FILE_SERVER__H_

#include "json/document.h"
#include "json/filereadstream.h"
#include "json/stringbuffer.h"
#include "json/writer.h"
#include "Protos.pb.h"
#include <string>
#include "SimulatorExport.h"

// header files for socket
#ifdef _WIN32
#include <io.h>
#include <WS2tcpip.h>

#ifndef bzero
#define bzero(a, b) memset(a, 0, b);
#endif

#else
#include <netdb.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/socket.h>
#endif

#ifdef _WIN32
#define usleep(t) Sleep(t)
#else
#include <unistd.h>
#endif

#include <thread>
#include <list>
#include <mutex>

class CC_LIBSIM_DLL FileServer
{
    static FileServer *s_sharedFileServer;
public:
    static FileServer* getShareInstance();
	static void purge();

    bool listenOnTCP(int port);
    void stop();
    
    void readResFileFinfo();
    void addResFileInfo(const char* filename,uint64_t u64);
    void removeResFileInfo(const char *filename);
    rapidjson::Document* getFileCfgJson() { return &_filecfgjson; }
    bool getIsUsingWritePath() { return _isUsingWritePath; }
    void setIsUsingWritePath(bool use) { _isUsingWritePath = use; }
    std::string getWritePath() { return _writePath; }
    std::string getTransingFileName();
    void setTransingFileName(const std::string& filename);
protected:
    FileServer();
    ~FileServer();
private:
    void loopReceiveFile();
    void loopWriteFile();
    void loopResponse();
    void addResponse(int fd, std::string filename,int errortype,int errornum);
    enum PROTONUM
    {
        FILEPROTO = 1,
        FILESENDCOMPLETE = 2,
        DIRPROTO = 3,
        DIRSENDCOMPLETE = 4
    };
    
    struct RecvBufStruct
    {
        runtime::FileSendProtos fileProto;
        std::string contentBuf;
        int fd;
    };
    
    struct ResponseStruct
    {
        runtime::FileSendComplete fileResponseProto;
        int fd;
    };
    
    // file descriptor: socket, console, etc.
    int _listenfd;
    std::thread _responseThread;
    std::thread _receiveThread;
    std::thread _writeThread;
    bool _receiveRunning;
    bool _receiveEndThread;
	bool _writeRunning;
	bool _writeEndThread;
	bool _responseRunning;
	bool _responseEndThread;
    
    std::list<RecvBufStruct> _recvBufList;
    std::list<ResponseStruct> _responseBufList;
    std::mutex _recvBufListMutex;
    std::mutex _responseBufListMutex;
    
    rapidjson::Document _filecfgjson;
    
    std::string _strFileName;
    std::mutex _fileNameMutex;
    
    std::string _recvErrorFile;
    std::string _writeErrorFile;
    
    bool _isUsingWritePath;
    std::string _writePath;
};

bool createDir(const char *sPathName);

#endif // _FILE_SERVER__H_

