80 lines
1.8 KiB
C++
80 lines
1.8 KiB
C++
#include "dbg-lib/commands.h"
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#include "persistent-data/block.h"
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#include <boost/lexical_cast.hpp>
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#include <stdexcept>
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using namespace dbg;
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using namespace persistent_data;
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using namespace std;
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//----------------------------------------------------------------
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namespace {
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class hello : public dbg::command {
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virtual void exec(dbg::strings const &args, ostream &out) {
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out << "Hello, world!" << endl;
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}
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};
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class exit_handler : public dbg::command {
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public:
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exit_handler(command_interpreter::ptr interpreter)
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: interpreter_(interpreter) {
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}
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virtual void exec(dbg::strings const &args, ostream &out) {
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out << "Goodbye!" << endl;
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interpreter_->exit_main_loop();
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}
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private:
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command_interpreter::ptr interpreter_;
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};
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class block_handler : public dbg::command {
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public:
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block_handler(block_manager::ptr bm, block_dumper::ptr dumper)
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: bm_(bm), dumper_(dumper) {
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}
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virtual void exec(dbg::strings const &args, ostream &out) {
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if (args.size() != 2)
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throw runtime_error("incorrect number of arguments");
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block_address block = boost::lexical_cast<block_address>(args[1]);
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// no checksum validation for debugging purpose
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block_manager::read_ref rr = bm_->read_lock(block);
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dumper_->show(rr, out);
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}
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private:
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block_manager::ptr bm_;
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block_dumper::ptr dumper_;
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};
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}
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//----------------------------------------------------------------
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command::ptr
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dbg::create_hello_handler()
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{
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return command::ptr(new hello());
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}
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command::ptr
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dbg::create_exit_handler(command_interpreter::ptr interp)
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{
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return command::ptr(new exit_handler(interp));
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}
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command::ptr
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dbg::create_block_handler(block_manager::ptr bm, block_dumper::ptr dumper)
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{
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return command::ptr(new block_handler(bm, dumper));
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}
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//----------------------------------------------------------------
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