* BUSEDevice.cpp:
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#include "BUSEDevice.hpp"
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using namespace std;
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int xmp_read(void *buf, u_int32_t len, u_int64_t offset, void *userdata)
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{
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BUSEDevice* owner = static_cast<BUSEDevice*>(userdata);
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return owner->handleRead(offset, len, buf);
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}
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int xmp_write(const void *buf, u_int32_t len, u_int64_t offset, void *userdata)
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{
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BUSEDevice* owner = static_cast<BUSEDevice*>(userdata);
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return owner->handleWrite(offset, len, buf);
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}
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void xmp_disc(void *userdata)
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{
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BUSEDevice* owner = static_cast<BUSEDevice*>(userdata);
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return owner->handleDisc();
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}
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int xmp_flush(void *userdata)
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{
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BUSEDevice* owner = static_cast<BUSEDevice*>(userdata);
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return owner->handleFlush();
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}
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int xmp_trim(u_int64_t from, u_int32_t len, void *userdata){
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BUSEDevice* owner = static_cast<BUSEDevice*>(userdata);
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return owner->handleTrim(from, len);
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}
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int BUSEDevice::run(const char* devPath, uint64_t capacity){
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_aop = {xmp_read, xmp_write, xmp_disc, xmp_flush, xmp_trim, capacity};
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return buse_main(devPath, &_aop, this);
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}
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#ifndef BUSEDevice_HPP
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#define BUSEDevice_HPP
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#include <cstdint>
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#include "buse.h"
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class BUSEDevice {
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friend int xmp_read(void *buf, u_int32_t len, u_int64_t offset, void *userdata);
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friend int xmp_write(const void *buf, u_int32_t len, u_int64_t offset, void *userdata);
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friend void xmp_disc(void *userdata);
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friend int xmp_flush(void *userdata);
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friend int xmp_trim(u_int64_t from, u_int32_t len, void *userdata);
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public:
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virtual int run(const char* devPath, uint64_t capacity);
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protected:
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virtual int handleRead(uint64_t offset, uint32_t len, void* buf) = 0;
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virtual int handleWrite(uint64_t offset, uint32_t len, const void* buf) = 0;
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virtual void handleDisc() = 0;
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virtual int handleFlush() = 0;
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virtual int handleTrim(uint64_t offset, uint32_t len) = 0;
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private:
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struct buse_operations _aop;
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};
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#endif
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2
Makefile
2
Makefile
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@ -3,7 +3,7 @@ LIBOBJS := buse.o
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OBJS := $(TARGET:=.o) $(LIBOBJS)
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OBJS := $(TARGET:=.o) $(LIBOBJS)
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STATIC_LIB := libbuse.a
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STATIC_LIB := libbuse.a
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CC := /usr/bin/gcc
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CC := /usr/bin/gcc
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CFLAGS := -g -pedantic -Wall -Wextra -std=c99
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CFLAGS := -g -pedantic -Wall -Wextra -std=c99
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LDFLAGS := -L. -lbuse
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LDFLAGS := -L. -lbuse
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