79 lines
1.8 KiB
C++
79 lines
1.8 KiB
C++
#ifndef CACHING_COMMANDS_H
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#define CACHING_COMMANDS_H
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#include "base/application.h"
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#include "boost/optional.hpp"
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//----------------------------------------------------------------
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namespace caching {
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class cache_check_cmd : public base::command {
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public:
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cache_check_cmd();
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virtual void usage(std::ostream &out) const;
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virtual int run(int argc, char **argv);
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};
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class cache_dump_cmd : public base::command {
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public:
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cache_dump_cmd();
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virtual void usage(std::ostream &out) const;
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virtual int run(int argc, char **argv);
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};
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class cache_metadata_size_cmd : public base::command {
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public:
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cache_metadata_size_cmd();
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virtual void usage(std::ostream &out) const;
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virtual int run(int argc, char **argv);
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private:
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struct flags {
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flags();
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boost::optional<uint64_t> device_size;
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boost::optional<uint32_t> block_size;
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boost::optional<uint64_t> nr_blocks;
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uint32_t max_hint_width;
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};
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enum parse_result {
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FINISH,
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CONTINUE
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};
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parse_result parse_command_line(std::string const &prog_name, int argc, char **argv, flags &fs);
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uint64_t get_nr_blocks(flags &fs);
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uint64_t meg(uint64_t n);
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uint64_t calc_size(uint64_t nr_blocks, uint32_t max_hint_width);
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};
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class cache_repair_cmd : public base::command {
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public:
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cache_repair_cmd();
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virtual void usage(std::ostream &out) const;
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virtual int run(int argc, char **argv);
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};
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class cache_restore_cmd : public base::command {
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public:
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cache_restore_cmd();
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virtual void usage(std::ostream &out) const;
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virtual int run(int argc, char **argv);
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};
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class cache_writeback_cmd : public base::command {
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public:
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cache_writeback_cmd();
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virtual void usage(std::ostream &out) const;
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virtual int run(int argc, char **argv);
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};
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void register_cache_commands(base::application &app);
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}
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//----------------------------------------------------------------
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#endif
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