/*
 * Copyright (c) Hisilicon Technologies Co., Ltd. 2012-2019. All rights reserved.
 * Description: interface for the IPlugin class.
 * Author:  DTV stack software group
 * Create: 2012-09-18
 */
#ifndef IPLUGIN_H
#define IPLUGIN_H

#include <binder/Parcel.h>
#include "IPluginCallback.h"

#define PLUGIN_NOT_IMPLIMENT (-2)
#define DTV_PLUGIN_PATH_LENGTH 256

class IPlugin : public android::RefBase {
public:
    virtual SVR_S32 invoke(const android::Parcel &request, android::Parcel *reply) const = 0;
    virtual SVR_U32 getStartCmd() const = 0;
    virtual SVR_U32 getEndCmd() const = 0;
    virtual SVR_S32 regMsgHandler(IPluginCallback *callback) = 0;
    virtual SVR_S32 unRegMsgHandler(IPluginCallback *callback) = 0;
    virtual ~IPlugin(){};
};

typedef IPlugin *(*PFN_CREATE_PLUGIN)();
typedef SVR_S32 (*PFN_DESTROY_PLUGIN)(IPlugin *plugin);

typedef struct {
    IPlugin *pInstance;                        /* Q: do we need multi-instance ? */
    PFN_CREATE_PLUGIN fnCreateInstance;        /* constructor */
    PFN_DESTROY_PLUGIN fnDestroyInstance;      /* destructor */
    SVR_VOID *pHandle;                          /* save dlopen handle */
    SVR_CHAR acLibName[DTV_PLUGIN_PATH_LENGTH]; /* save plugin name, can not init twice */
} DOL_DTV_PLUGIN_S;

extern "C" {
IPlugin *createInstance();
SVR_S32 destroyInstance(IPlugin *plugin);
}

#endif  // __PLUGIN_H__