58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
#ifndef CODEC_H
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#define CODEC_H
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#include "QObject"
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#include "base/base.h"
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class Codec : public QObject
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{
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Q_OBJECT
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public:
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Codec()
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{
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fullFrame = false;
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failed = false;
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}
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virtual ~Codec() {}
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// 返回true,则是一个完整的帧
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// virtual bool packCheck(myarray data){return false;}
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// virtual bool recvByte(int byte){return false;}
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// virtual myarray encode(int srcAddr, int dstAddr, int cmd, myarray data){return myarray();}
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// virtual myarray decode(int &srcAddr, int &dstAddr, int &cmd, myarray data){return myarray();}
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virtual int packCheck(myarray data) = 0;
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virtual bool recvByte(int byte) = 0;
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virtual myarray encode(int srcAddr, int dstAddr, int cmd, myarray data) = 0;
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virtual myarray decode(int &srcAddr, int &dstAddr, int &cmd, myarray data) = 0;
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myarray decode(int &srcAddr, int &dstAddr, int &cmd)
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{
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if (fullFrame == true)
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{
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fullFrame = false;
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return decode(srcAddr, dstAddr, cmd, data);
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}
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return myarray();
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}
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public:
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bool failed;// true时解析失败
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protected:
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bool fullFrame;
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myarray data;
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};
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Codec *codecFind(const char *name);
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typedef struct
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{
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const char *name;
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Codec *(*codec_get_fun)();
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} codec_def;
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#define codec_export(name_, fun_) \
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const static char __codec_##name_##_name[] __attribute__((section(".rodata.codecstr"))) = #name_; \
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__attribute__((used)) static codec_def _codec_##name_ __attribute__((section("codecdef"))) = { \
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.name = __codec_##name_##_name, \
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.codec_get_fun = fun_, \
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}
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#endif // CODEC_H
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