C++ Class Mapped Google Protocol Buffer Message

摘要
Google Protocol Buffer 是一個優秀的基於二進制的網絡消息編解碼框架。應用於項目時，可以節省不少的人力資源、開發時間和程序BUG。但其不足之處是protobuf編譯器生成的C++消息類（或者Java等其他語言的消息類）冗余數據過多，需要依賴於protobuf的編解碼庫，一般情況下都不能用於作為業務邏輯對象。因此大部分情況下，程序都需要另外獨立定義業務邏輯對象，並且使用protobuf定義相應（不一定100%相同）的消息，並手寫代碼，在protobuf消息對象和C++/Java業務對象之間進行轉換。

protobuf消息還有另外一個缺點，是數據類型不夠豐富，特別是指針，map集合不支持，你支持繼承。通過required、optional屬性的擴展可以讓其支持指針，通過多字段，也可以讓其支持map集合。

因在工程中，有太多的，太過於相似的轉換代碼，因此才有想法寫一個C++類與google protobuf消息直接進行轉換的工具。當然一次為藍本，還可以轉換為Java、C#等其他語言。當然轉換後的代碼不可能100%的可以直接工作，但是可以肯定的是已經完成了99%的工作，就剩下1%一點點的手動修改即可。

關於繼承的映射。基類消息作為子類消息的第一個字段，明白字段名稱為base；

數據類型映射規則
編號 C++數據類型 限制 protobuf數據類型 備注
1 bool required bool  
2 (unsigned)  char required uint32  or int32 protobuf 不支持char類型，建議使用int替代
3 (unsigned) short required uint32  or int32 protobuf 不支持short類型，建議使用int替代
4 (unsigned) int required sfixed32 or fixed32  
5 (unsigned) long required sfixed32 or fixed32 建議使用 int替代
6 std::string required bytes bytes可以更好的支持中文，protobuf string只支持asscii
不要使用char * ，char[] 等，使用std::string 替代
7 類對象 required 子message  自定義類，而不是系統類對象，需要包含在同一個文件裡面，
再次沒有遞歸處理其他包含的頭文件。後續可能支持
類被映射為一個消息（只映射一次）
並再次映射為消息的成員（子消息)
8 指針類型,支持2種指針：
shared_ptr<T>
weak_ptr<T> optional  根據T的實際類型進行映射 T的類型為上面 編號1~7中的任意一種。
9 集合類型，包含一下幾種:
std::vector<T>
std::list<T>
std::set<T>
std::multiset<T> required
repeated bool include_${filename}字段
根據T的實際類型進行映射 包含一個bool類型的include字段，用於指示消息傳遞的過程中是
否包含本字段（protobuf repeated 字段存在二義性
，在消息不包含repeated字段時，究竟時刪除還是保留不變）
T的類型為上面 編號1~8中的任意一種。
10 map類型，包含2種:
std::map<KEY,VALUE>
std::multimap<KEY,VALUE> optional
repeated
repeated boo include_${filename}
reptead KEY ${filename}_key
reptead VALUE ${filename}_value KEY和VALUE各自映射為一個字段。在傳輸過程中，
通過下標一一匹配.
KEY,VALUE的類型為上面 編號1~8中的任意一種。
 

3. 自動化工具
工具使用Scala BNF語法進行構建，對C++頭文件進行詞法語法分析（主要分析類的聲明和枚舉的定義），並提取類的相關信息用於生成代碼。
4.工具測試結果。
 4.1 測試內容[cpp] view plaincopyprint?
#ifndef __FOCUS_ENTITY_H__  
#define __FOCUS_ENTITY_H__  
 
 
 
 
#include <string>  
#include <memory>  
#include <set>  
 
#include <odb/database.hxx>  
#include <odb/tr1/memory.hxx>  
#include <odb/callback.hxx>  
 
#ifdef N_ODB  
#include <Mutex.h>  
#include <functional>  
#include "Focus3800B.h"  
#include "EntityBuild.h"  
#endif  
using std::tr1::shared_ptr; 
using std::tr1::enable_shared_from_this; 
using std::tr1::weak_ptr; 
using std::tr1::dynamic_pointer_cast; 
 
class CFocusEntity; 
class CFocusZone; 
class CFocusTerminal; 
class CFocusUser; 
 
inline shared_ptr<CFocusZone> toZone( const shared_ptr<CFocusEntity> & en) 
{ 
    return dynamic_pointer_cast<CFocusZone,CFocusEntity>(en); 
} 
inline shared_ptr<CFocusTerminal> toTerminal( const shared_ptr<CFocusEntity> & en) 
{ 
    return dynamic_pointer_cast<CFocusTerminal,CFocusEntity>(en); 
} 
inline shared_ptr<CFocusUser> toUser( const shared_ptr<CFocusEntity> & en) 
{ 
     return dynamic_pointer_cast<CFocusUser,CFocusEntity>(en); 
} 
enum MsgNumPCtoTer { 
  terminal_config = 1, 
  network_basic_config = 2, 
  timenow_config = 3, 
  video_source_config = 16, 
  video_output_config = 17, 
  video_option_config = 18, 
  network_advanced_config = 19, 
  compatibility_config = 20, 
  network_dial_config = 21, 
  fire_wall_config = 22, 
  communication_config = 23, 
  video_config = 24, 
  e1_config = 25, 
  web_config = 26, 
  command_config = 27, 
  camera_select = 256, 
  camera_advance = 257, 
  camera_advance_active = 258, 
  camera_up = 259, 
  camera_down = 260, 
  camera_left = 261, 
  camera_right = 262, 
  camera_near = 263, 
  camera_far = 264, 
  floor_apply = 512, 
  chair_apply = 513, 
  chair_release = 514, 
  chair_viewed = 515, 
  timer_preview = 516, 
  auto_switch_time = 517, 
  broacast_local = 518, 
  force_exit = 519, 
  volume_set = 520, 
  mute_in_set = 521, 
  mute_out_set = 522, 
  dualstream_set = 523, 
  conf_call_set = 524, 
  accept_in_call = 525, 
  reject_in_call = 526, 
  conf_drop = 527, 
  phone_modify = 528, 
  phone_add = 529, 
  feec_apply = 530, 
  phone_histroy_del = 531, 
  picture_show = 532, 
  near_key = 533, 
  far_key = 534, 
  OK_key = 535, 
  Ping = 768, 
  video_loop = 769, 
  restore = 770, 
  out_test = 771, 
  login_console = 1024, 
  logout_console = 1025, 
  restart = 1281 
}; 
 
#pragma db object polymorphic callback(dbevent) table("tblEntity")  
class CFocusEntity : public enable_shared_from_this<CFocusEntity> 
{ 
    friend class odb::access; 
public: 
     CFocusEntity(); 
    virtual ~CFocusEntity(); 
    unsigned int GetId() const { return id_; } 
    void SetId(unsigned int val) { id_ = val; } 
 
    const std::string & GetName() const { return name_; } 
    void SetName(const std::string & val) { name_ = val; } 
 
    shared_ptr<CFocusZone> GetParent() const; 
    void SetParent(const shared_ptr<CFocusZone> & val) { parent_ = val; } 
 
    virtual void dbevent( odb::callback_event e, odb::database& db ); 
    virtual void dbevent( odb::callback_event e, odb::database& db ) const; 
 
    bool persist(); 
    bool update(); 
    bool erase(); 
#ifdef N_ODB  
    virtual shared_ptr<CProtobufEntityBuild> CreateBuild() { return nullptr;} 
#endif  
    void SendIndication(); 
 
protected: 
 
    void InternalSendIndcation(); 
private: 
#pragma db id auto  
    unsigned int id_; 
   
    std::string  name_; 
    
    weak_ptr<CFocusZone> parent_; 
   
}; 
 
#pragma  db object  callback(dbevent) table("tblZone")  
class CFocusZone : public CFocusEntity 
{ 
    friend class odb::access; 
public: 
    CFocusZone(); 
    ~CFocusZone(); 
 
    void AddEntity( const shared_ptr<CFocusEntity> & en); 
    void DelEntity( const shared_ptr<CFocusEntity> & en ); 
 
 
    void dbevent( odb::callback_event e, odb::database& db ); 
    void dbevent( odb::callback_event e, odb::database& db ) const; 
 
    shared_ptr<CFocusEntity> FindEntity( unsigned int id, bool recursive = false) ; 
    shared_ptr<CFocusEntity> FindEntity( const std::string & name, bool recursive = false) ; 
#ifdef N_ODB  
    void foreach( const std::function<void( const shared_ptr<CFocusEntity> & ) > & callback  , bool recursive = false, bool isCallItself = false); 
    virtual shared_ptr<CProtobufEntityBuild> CreateBuild(); 
 
#endif      
    static void SetRootZone( const shared_ptr<CFocusZone> & rootZone_); 
 
    static const shared_ptr<CFocusZone> & GetRootZone(); 
protected: 
    static shared_ptr<CFocusZone> rootZone; 
private: 
#pragma db inverse(parent_)  
    std::set< shared_ptr<CFocusEntity> > members_; 
        std::set< int > int_members_;      
      std::set< CFocusEntity > raw_members_; 
         
      std::map< int ,shared_ptr<CFocusEntity> > map_members_; 
        std::map< int ,int > map_int_members_;         
      std::map< int ,CFocusEntity > map_raw_members_; 
         
 
#ifdef N_ODB  
    mutable dv::CMutex members_mutex; 
#endif  
 
}; 
 
#pragma db object callback(dbevent) table("tblTerminal")  
class CFocusTerminal : public CFocusEntity 
{ 
    friend class odb::access; 
public: 
    CFocusTerminal(); 
    ~CFocusTerminal(); 
 
    const std::string & GetAddress() const { return address_; } 
    void SetAddress(const std::string & val) { address_ = val; } 
 
    unsigned short GetPort() const { return port_; } 
    void SetPort(unsigned short val) { port_ = val; } 
 
    const std::string & GetUsername() const { return username_; } 
    void SetUsername(const std::string & val) { username_ = val; } 
 
    const std::string & GetPassword() const { return password_; } 
    void SetPassword(const std::string & val) { password_ = val; } 
 
 
 
 
    void dbevent( odb::callback_event e, odb::database& db ); 
    void dbevent( odb::callback_event e, odb::database& db ) const; 
 
    void keepalive_init(); 
 
     
 
    void clear_status(); 
 
    void send_keepalive(); 
 
    void remote_login(); 
 
    void release_connect(); 
 
    bool IsOnline() const { return recv_service_ok_;} 
#ifdef N_ODB  
    void OnRecvMessage( T_Message &recvMsg ); 
   // bool IsDualEnable() const { return IsOnline () && dual_stream_status_ ;}  
    bool IsLogin() const { return remote_login_ok_; } 
    //bool IsAdmin() const { return remote_login_ok_ && adminstartor_ok_;}  
    virtual shared_ptr<CProtobufEntityBuild> CreateBuild(); 
    void SetDualEnable( DualLevel level ); 
    //bool IsInConfing() const { return conf_status_.ConfStatus > 0 ? true : false;}  
    void SetCommand( unsigned long ulCommand); 
    void DisConnect(); 
    const T_InformTerConfig & GetTerConfig() const { return ter_config_;} 
    const T_InformSysStatus & GetSysStatus() const { return sys_status_;} 
    const T_InformConfStatus & GetConfStatus() const { return conf_status_;} 
    //const T_InformVideoConfig & GetVideoConfig() const { return video_config_; }  
    const T_VideoOption & GetVideoOption() const { return video_option_; } 
    const T_SetupSoftware & GetSoftwareVersion() const { return software_version_; } 
    void clear_resource(); 
    bool CanSendMediaInfo() const { return is_recv_sys_status_;} 
 
    unsigned int GetValveRecvRate() const { return valveRecvRate_; } 
    void SetValveRecvRate(unsigned int val) { valveRecvRate_ = val; } 
 
    unsigned int GetValveSendRate() const { return valveSendRate_; } 
    void SetValveSendRate(unsigned int val) { valveSendRate_ = val; } 
 
    unsigned int GetValveRecvFrame() const { return valveRecvFrame_; } 
    void SetValveRecvFrame(unsigned int val) { valveRecvFrame_ = val; } 
 
    unsigned int GetValveSendFrame() const { return valveSendFrame_; } 
    void SetValveSendFrame(unsigned int val) { valveSendFrame_ = val; } 
 
    unsigned int GetValveLostRate() const { return valveLostRate_; } 
    void SetValveLostRate(unsigned int val) { valveLostRate_ = val; } 
#endif  
    const std::string & GetH323id() const { return h323id_; } 
   // void SetH323id(std::string val) { h323id_ = val; }  
 
    const std::string & GetE164() const { return e164_; } 
    //void SetE164(std::string val) { e164_ = val; }  
    unsigned int GetNo() const { return No_; } 
    void SetNo(unsigned int val) { No_ = val; } 
 
    const std::string & GetContacter() const { return contacter_; } 
    void SetContacter(const std::string &  val) { contacter_ = val; } 
 
    const std::string &  GetPhone() const { return phone_; } 
    void SetPhone(const std::string &  val) { phone_ = val; } 
private: 
    std::string    address_; 
    
    unsigned short port_; 
    std::string username_; 
    std::string password_; 
    unsigned int No_;    
    std::string contacter_;    
    std::string phone_; 
    unsigned int valveRecvRate_ ; 
    unsigned int valveSendRate_; 
    unsigned int valveRecvFrame_; 
    unsigned int valveSendFrame_; 
    unsigned int valveLostRate_; 
   
#pragma db transient  
    unsigned int connect_id_; 
#pragma db transient  
    unsigned int timer_id_; 
#pragma db transient  
    bool  recv_service_ok_; 
#pragma db transient  
    bool  remote_login_ok_; 
#pragma db transient  
    bool  adminstartor_ok_; 
#pragma db transient  
    bool dual_stream_status_; 
#pragma db transient  
    std::string h323id_; 
   
#pragma db transient  
    std::string e164_; 
     
#ifdef N_ODB  
    T_InformTerConfig ter_config_; 
    T_InformSysStatus sys_status_; 
    T_InformConfStatus conf_status_; 
    T_VideoOption video_option_; 
    T_Message     lastRecvMsg_; 
    T_SetupSoftware software_version_; 
    bool is_recv_sys_status_; 
#endif  
}; 
 
#pragma db object callback(dbevent) table("tblUser")  
class CFocusUser : public CFocusEntity 
{ 
    friend class odb::access; 
public: 
     CFocusUser(); 
    ~CFocusUser(); 
 
    const std::string & GetPassword() const { return password_; } 
    void SetPassword(const std::string & val) { password_ = val; } 
 
    void dbevent( odb::callback_event e, odb::database& db ); 
    void dbevent( odb::callback_event e, odb::database& db ) const; 
#ifdef N_ODB  
    virtual shared_ptr<CProtobufEntityBuild> CreateBuild(); 
#endif  
protected: 
    
private: 
    std::string password_; 
}; 
#endif 

#ifndef __FOCUS_ENTITY_H__
#define __FOCUS_ENTITY_H__

#include <string>
#include <memory>
#include <set>

#include <odb/database.hxx>
#include <odb/tr1/memory.hxx>
#include <odb/callback.hxx>

#ifdef N_ODB
#include <Mutex.h>
#include <functional>
#include "Focus3800B.h"
#include "EntityBuild.h"
#endif
using std::tr1::shared_ptr;
using std::tr1::enable_shared_from_this;
using std::tr1::weak_ptr;
using std::tr1::dynamic_pointer_cast;

class CFocusEntity;
class CFocusZone;
class CFocusTerminal;
class CFocusUser;

inline shared_ptr<CFocusZone> toZone( const shared_ptr<CFocusEntity> & en)
{
    return dynamic_pointer_cast<CFocusZone,CFocusEntity>(en);
}
inline shared_ptr<CFocusTerminal> toTerminal( const shared_ptr<CFocusEntity> & en)
{
    return dynamic_pointer_cast<CFocusTerminal,CFocusEntity>(en);
}
inline shared_ptr<CFocusUser> toUser( const shared_ptr<CFocusEntity> & en)
{
     return dynamic_pointer_cast<CFocusUser,CFocusEntity>(en);
}
enum MsgNumPCtoTer {
  terminal_config = 1,
  network_basic_config = 2,
  timenow_config = 3,
  video_source_config = 16,
  video_output_config = 17,
  video_option_config = 18,
  network_advanced_config = 19,
  compatibility_config = 20,
  network_dial_config = 21,
  fire_wall_config = 22,
  communication_config = 23,
  video_config = 24,
  e1_config = 25,
  web_config = 26,
  command_config = 27,
  camera_select = 256,
  camera_advance = 257,
  camera_advance_active = 258,
  camera_up = 259,
  camera_down = 260,
  camera_left = 261,
  camera_right = 262,
  camera_near = 263,
  camera_far = 264,
  floor_apply = 512,
  chair_apply = 513,
  chair_release = 514,
  chair_viewed = 515,
  timer_preview = 516,
  auto_switch_time = 517,
  broacast_local = 518,
  force_exit = 519,
  volume_set = 520,
  mute_in_set = 521,
  mute_out_set = 522,
  dualstream_set = 523,
  conf_call_set = 524,
  accept_in_call = 525,
  reject_in_call = 526,
  conf_drop = 527,
  phone_modify = 528,
  phone_add = 529,
  feec_apply = 530,
  phone_histroy_del = 531,
  picture_show = 532,
  near_key = 533,
  far_key = 534,
  OK_key = 535,
  Ping = 768,
  video_loop = 769,
  restore = 770,
  out_test = 771,
  login_console = 1024,
  logout_console = 1025,
  restart = 1281
};

#pragma db object polymorphic callback(dbevent) table("tblEntity")
class CFocusEntity : public enable_shared_from_this<CFocusEntity>
{
    friend class odb::access;
public:
     CFocusEntity();
    virtual ~CFocusEntity();
    unsigned int GetId() const { return id_; }
    void SetId(unsigned int val) { id_ = val; }

    const std::string & GetName() const { return name_; }
    void SetName(const std::string & val) { name_ = val; }

    shared_ptr<CFocusZone> GetParent() const;
    void SetParent(const shared_ptr<CFocusZone> & val) { parent_ = val; }

    virtual void dbevent( odb::callback_event e, odb::database& db );
    virtual void dbevent( odb::callback_event e, odb::database& db ) const;

    bool persist();
    bool update();
    bool erase();
#ifdef N_ODB
    virtual shared_ptr<CProtobufEntityBuild> CreateBuild() { return nullptr;}
#endif
    void SendIndication();

protected:

    void InternalSendIndcation();
private:
#pragma db id auto
    unsigned int id_;
 
    std::string  name_;
  
    weak_ptr<CFocusZone> parent_;
 
};

#pragma  db object  callback(dbevent) table("tblZone")
class CFocusZone : public CFocusEntity
{
    friend class odb::access;
public:
    CFocusZone();
    ~CFocusZone();

    void AddEntity( const shared_ptr<CFocusEntity> & en);
    void DelEntity( const shared_ptr<CFocusEntity> & en );

    void dbevent( odb::callback_event e, odb::database& db );
    void dbevent( odb::callback_event e, odb::database& db ) const;

    shared_ptr<CFocusEntity> FindEntity( unsigned int id, bool recursive = false) ;
    shared_ptr<CFocusEntity> FindEntity( const std::string & name, bool recursive = false) ;
#ifdef N_ODB
    void foreach( const std::function<void( const shared_ptr<CFocusEntity> & ) > & callback  , bool recursive = false, bool isCallItself = false);
    virtual shared_ptr<CProtobufEntityBuild> CreateBuild();

#endif   
    static void SetRootZone( const shared_ptr<CFocusZone> & rootZone_);

    static const shared_ptr<CFocusZone> & GetRootZone();
protected:
    static shared_ptr<CFocusZone> rootZone;
private:
#pragma db inverse(parent_)
    std::set< shared_ptr<CFocusEntity> > members_;
  std::set< int > int_members_;     
   std::set< CFocusEntity > raw_members_;
    
   std::map< int ,shared_ptr<CFocusEntity> > map_members_;
  std::map< int ,int > map_int_members_;     
   std::map< int ,CFocusEntity > map_raw_members_;
    

#ifdef N_ODB
    mutable dv::CMutex members_mutex;
#endif

};

#pragma db object callback(dbevent) table("tblTerminal")
class CFocusTerminal : public CFocusEntity
{
    friend class odb::access;
public:
    CFocusTerminal();
    ~CFocusTerminal();

    const std::string & GetAddress() const { return address_; }
    void SetAddress(const std::string & val) { address_ = val; }

    unsigned short GetPort() const { return port_; }
    void SetPort(unsigned short val) { port_ = val; }

    const std::string & GetUsername() const { return username_; }
    void SetUsername(const std::string & val) { username_ = val; }

    const std::string & GetPassword() const { return password_; }
    void SetPassword(const std::string & val) { password_ = val; }

    void dbevent( odb::callback_event e, odb::database& db );
    void dbevent( odb::callback_event e, odb::database& db ) const;

    void keepalive_init();

    void clear_status();

    void send_keepalive();

    void remote_login();

    void release_connect();

    bool IsOnline() const { return recv_service_ok_;}
#ifdef N_ODB
    void OnRecvMessage( T_Message &recvMsg );
   // bool IsDualEnable() const { return IsOnline () && dual_stream_status_ ;}
    bool IsLogin() const { return remote_login_ok_; }
    //bool IsAdmin() const { return remote_login_ok_ && adminstartor_ok_;}
    virtual shared_ptr<CProtobufEntityBuild> CreateBuild();
    void SetDualEnable( DualLevel level );
    //bool IsInConfing() const { return conf_status_.ConfStatus > 0 ? true : false;}
    void SetCommand( unsigned long ulCommand);
    void DisConnect();
    const T_InformTerConfig & GetTerConfig() const { return ter_config_;}
    const T_InformSysStatus & GetSysStatus() const { return sys_status_;}
    const T_InformConfStatus & GetConfStatus() const { return conf_status_;}
    //const T_InformVideoConfig & GetVideoConfig() const { return video_config_; }
    const T_VideoOption & GetVideoOption() const { return video_option_; }
    const T_SetupSoftware & GetSoftwareVersion() const { return software_version_; }
    void clear_resource();
    bool CanSendMediaInfo() const { return is_recv_sys_status_;}

    unsigned int GetValveRecvRate() const { return valveRecvRate_; }
    void SetValveRecvRate(unsigned int val) { valveRecvRate_ = val; }

    unsigned int GetValveSendRate() const { return valveSendRate_; }
    void SetValveSendRate(unsigned int val) { valveSendRate_ = val; }

    unsigned int GetValveRecvFrame() const { return valveRecvFrame_; }
    void SetValveRecvFrame(unsigned int val) { valveRecvFrame_ = val; }

    unsigned int GetValveSendFrame() const { return valveSendFrame_; }
    void SetValveSendFrame(unsigned int val) { valveSendFrame_ = val; }

    unsigned int GetValveLostRate() const { return valveLostRate_; }
    void SetValveLostRate(unsigned int val) { valveLostRate_ = val; }
#endif
    const std::string & GetH323id() const { return h323id_; }
   // void SetH323id(std::string val) { h323id_ = val; }

    const std::string & GetE164() const { return e164_; }
    //void SetE164(std::string val) { e164_ = val; }
    unsigned int GetNo() const { return No_; }
    void SetNo(unsigned int val) { No_ = val; }

    const std::string & GetContacter() const { return contacter_; }
    void SetContacter(const std::string &  val) { contacter_ = val; }

    const std::string &  GetPhone() const { return phone_; }
    void SetPhone(const std::string &  val) { phone_ = val; }
private:
    std::string    address_;
  
    unsigned short port_;
    std::string username_;
    std::string password_;
    unsigned int No_;  
    std::string contacter_;  
    std::string phone_;
    unsigned int valveRecvRate_ ;
    unsigned int valveSendRate_;
    unsigned int valveRecvFrame_;
    unsigned int valveSendFrame_;
    unsigned int valveLostRate_;
 
#pragma db transient
    unsigned int connect_id_;
#pragma db transient
    unsigned int timer_id_;
#pragma db transient
    bool  recv_service_ok_;
#pragma db transient
    bool  remote_login_ok_;
#pragma db transient
    bool  adminstartor_ok_;
#pragma db transient
    bool dual_stream_status_;
#pragma db transient
    std::string h323id_;
 
#pragma db transient
    std::string e164_;
   
#ifdef N_ODB
    T_InformTerConfig ter_config_;
    T_InformSysStatus sys_status_;
    T_InformConfStatus conf_status_;
    T_VideoOption video_option_;
    T_Message     lastRecvMsg_;
    T_SetupSoftware software_version_;
    bool is_recv_sys_status_;
#endif
};

#pragma db object callback(dbevent) table("tblUser")
class CFocusUser : public CFocusEntity
{
    friend class odb::access;
public:
     CFocusUser();
    ~CFocusUser();

    const std::string & GetPassword() const { return password_; }
    void SetPassword(const std::string & val) { password_ = val; }

    void dbevent( odb::callback_event e, odb::database& db );
    void dbevent( odb::callback_event e, odb::database& db ) const;
#ifdef N_ODB
    virtual shared_ptr<CProtobufEntityBuild> CreateBuild();
#endif
protected:
  
private:
    std::string password_;
};
#endif

4.2輸出結果
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package pbmsg; 
 enum MsgNumPCtoTer 
 { 
terminal_config = 1; 
network_basic_config = 2; 
timenow_config = 3; 
video_source_config = 16; 
video_output_config = 17; 
video_option_config = 18; 
network_advanced_config = 19; 
compatibility_config = 20; 
network_dial_config = 21; 
fire_wall_config = 22; 
communication_config = 23; 
video_config = 24; 
e1_config = 25; 
web_config = 26; 
command_config = 27; 
camera_select = 256; 
camera_advance = 257; 
camera_advance_active = 258; 
camera_up = 259; 
camera_down = 260; 
camera_left = 261; 
camera_right = 262; 
camera_near = 263; 
camera_far = 264; 
floor_apply = 512; 
chair_apply = 513; 
chair_release = 514; 
chair_viewed = 515; 
timer_preview = 516; 
auto_switch_time = 517; 
broacast_local = 518; 
force_exit = 519; 
volume_set = 520; 
mute_in_set = 521; 
mute_out_set = 522; 
dualstream_set = 523; 
conf_call_set = 524; 
accept_in_call = 525; 
reject_in_call = 526; 
conf_drop = 527; 
phone_modify = 528; 
phone_add = 529; 
feec_apply = 530; 
phone_histroy_del = 531; 
picture_show = 532; 
near_key = 533; 
far_key = 534; 
OK_key = 535; 
Ping = 768; 
video_loop = 769; 
restore = 770; 
out_test = 771; 
login_console = 1024; 
logout_console = 1025; 
restart = 1281; 
}; 
 
message CFocusEntity 
{ 
 
optional fixed32 id = 1; 
required bytes name = 2;  
optional CFocusEntity parent = 3; 
}; 
       
 
message CFocusZone 
{ 
required CFocusEntity base = 1; 
 
optional bool include_members = 2; 
repeated CFocusEntity members =3; 
         
 
optional bool include_int_members = 4; 
repeated sfixed32 int_members =5; 
         
 
optional bool include_raw_members = 6; 
repeated CFocusEntity raw_members =7; 
         
 
optional bool include_map_members = 8; 
repeated sfixed32 map_members_key =9; 
repeated CFocusEntity map_members_value =10; 
         
 
optional bool include_map_int_members = 11; 
repeated sfixed32 map_int_members_key =12; 
repeated sfixed32 map_int_members_value =13; 
         
 
optional bool include_map_raw_members = 14; 
repeated sfixed32 map_raw_members_key =15; 
repeated CFocusEntity map_raw_members_value =16; 
         
}; 
       
 
message CFocusTerminal 
{ 
required CFocusEntity base = 1; 
required bytes address = 2;  
optional uint32 port = 3; 
required bytes username = 4;  
required bytes password = 5;  
optional fixed32 No = 6; 
required bytes contacter = 7;  
required bytes phone = 8;  
optional fixed32 valveRecvRate = 9; 
optional fixed32 valveSendRate = 10; 
optional fixed32 valveRecvFrame = 11; 
optional fixed32 valveSendFrame = 12; 
optional fixed32 valveLostRate = 13; 
optional fixed32 connect_id = 14; 
optional fixed32 timer_id = 15; 
optional bool recv_service_ok = 16; 
optional bool remote_login_ok = 17; 
optional bool adminstartor_ok = 18; 
optional bool dual_stream_status = 19; 
required bytes h323id = 20;  
required bytes e164 = 21;  
}; 
       
 
message CFocusUser 
{ 
required CFocusEntity base = 1; 
required bytes password = 2;  
};