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1ebc8d2535
(cherry picked from commit 81eaa581a8478ed48da5cc133f13a2ae91166326) Conflicts: file_memory.h fsimageplugin/vhdfile.h
85 lines
1.7 KiB
C++
85 lines
1.7 KiB
C++
#pragma once
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#include "../Interface/File.h"
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#include "../Interface/Thread.h"
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#include "../Interface/Mutex.h"
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#include "../Interface/Pipe.h"
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#include <memory>
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class PipeFileBase : public IFile, public IThread
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{
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public:
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PipeFileBase(const std::wstring& pCmd);
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virtual void operator()();
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virtual std::string Read(_u32 tr, bool *has_error=NULL);
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virtual _u32 Read(char* buffer, _u32 bsize, bool *has_error=NULL);
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virtual _u32 Write(const std::string &tw, bool *has_error=NULL);
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virtual _u32 Write(const char* buffer, _u32 bsiz, bool *has_error=NULL);
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virtual bool Seek(_i64 spos);
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virtual _i64 Size(void);
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virtual _i64 RealSize();
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virtual std::string getFilename(void);
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virtual std::wstring getFilenameW(void);
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int64 getLastRead();
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bool getHasError();
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virtual bool getExitCode(int& exit_code) = 0;
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std::string getStdErr();
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virtual void forceExitWait() = 0;
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virtual bool PunchHole( _i64 spos, _i64 size );
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virtual bool Sync();
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protected:
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void init();
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virtual bool readStdoutIntoBuffer(char* buf, size_t buf_avail, size_t& read_bytes) = 0;
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virtual bool readStderrIntoBuffer(char* buf, size_t buf_avail, size_t& read_bytes) = 0;
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bool has_error;
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void waitForExit();
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private:
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bool fillBuffer();
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bool readStderr();
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size_t getReadAvail();
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void readBuf(char* buf, size_t toread);
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std::wstring cmd;
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int64 curr_pos;
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size_t buf_w_pos;
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size_t buf_w_reserved_pos;
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size_t buf_r_pos;
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bool buf_circle;
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std::vector<char> buffer;
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std::string stderr_ret;
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std::auto_ptr<IMutex> buffer_mutex;
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size_t threadidx;
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bool has_eof;
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int64 stream_size;
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int64 last_read;
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THREADPOOL_TICKET stdout_thread;
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THREADPOOL_TICKET stderr_thread;
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};
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