326 lines
7.3 KiB
C++
326 lines
7.3 KiB
C++
#include <iostream>
|
|
#include <sstream>
|
|
#include <string>
|
|
#include <stdexcept>
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <getopt.h>
|
|
#include <libgen.h>
|
|
#include <string.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
|
|
#include "base/error_state.h"
|
|
#include "base/nested_output.h"
|
|
#include "era/writeset_tree.h"
|
|
#include "era/era_array.h"
|
|
#include "era/superblock.h"
|
|
#include "persistent-data/block.h"
|
|
#include "persistent-data/file_utils.h"
|
|
#include "persistent-data/space_map.h"
|
|
#include "persistent-data/space-maps/core.h"
|
|
#include "persistent-data/transaction_manager.h"
|
|
#include "version.h"
|
|
|
|
using namespace base;
|
|
using namespace boost;
|
|
using namespace era;
|
|
using namespace persistent_data;
|
|
using namespace std;
|
|
|
|
//----------------------------------------------------------------
|
|
|
|
namespace {
|
|
class reporter_base {
|
|
public:
|
|
reporter_base(nested_output &o)
|
|
: out_(o),
|
|
err_(NO_ERROR) {
|
|
}
|
|
|
|
virtual ~reporter_base() {}
|
|
|
|
nested_output &out() {
|
|
return out_;
|
|
}
|
|
|
|
nested_output::nest push() {
|
|
return out_.push();
|
|
}
|
|
|
|
base::error_state get_error() const {
|
|
return err_;
|
|
}
|
|
|
|
void mplus_error(error_state err) {
|
|
err_ = combine_errors(err_, err);
|
|
}
|
|
|
|
private:
|
|
nested_output &out_;
|
|
error_state err_;
|
|
};
|
|
|
|
class superblock_reporter : public superblock_damage::damage_visitor, reporter_base {
|
|
public:
|
|
superblock_reporter(nested_output &o)
|
|
: reporter_base(o) {
|
|
}
|
|
|
|
virtual void visit(superblock_damage::superblock_corrupt const &d) {
|
|
out() << "superblock is corrupt" << end_message();
|
|
{
|
|
nested_output::nest _ = push();
|
|
out() << d.get_desc() << end_message();
|
|
}
|
|
|
|
mplus_error(FATAL);
|
|
}
|
|
|
|
virtual void visit(superblock_damage::superblock_invalid const &d) {
|
|
out() << "superblock is invalid" << end_message();
|
|
{
|
|
nested_output::nest _ = push();
|
|
out() << d.get_desc() << end_message();
|
|
}
|
|
|
|
mplus_error(FATAL);
|
|
}
|
|
|
|
using reporter_base::get_error;
|
|
};
|
|
|
|
class writeset_tree_reporter : public writeset_tree_detail::damage_visitor, reporter_base {
|
|
public:
|
|
writeset_tree_reporter(nested_output &o)
|
|
: reporter_base(o) {
|
|
}
|
|
|
|
void visit(writeset_tree_detail::missing_eras const &d) {
|
|
out() << "missing eras from writeset tree" << end_message();
|
|
{
|
|
nested_output::nest _ = push();
|
|
out() << d.get_desc() << end_message();
|
|
out() << "Effected eras: [" << d.eras_.begin_.get()
|
|
<< ", " << d.eras_.end_.get() << ")" << end_message();
|
|
}
|
|
|
|
mplus_error(FATAL);
|
|
}
|
|
|
|
void visit(writeset_tree_detail::damaged_writeset const &d) {
|
|
out() << "damaged writeset" << end_message();
|
|
{
|
|
nested_output::nest _ = push();
|
|
out() << d.get_desc() << end_message();
|
|
out() << "Era: " << d.era_ << end_message();
|
|
out() << "Missing bits: [" << d.missing_bits_.begin_.get()
|
|
<< ", " << d.missing_bits_.end_.get() << ")" << end_message();
|
|
}
|
|
|
|
mplus_error(FATAL);
|
|
}
|
|
|
|
using reporter_base::get_error;
|
|
};
|
|
|
|
class era_array_reporter : public era_array_detail::damage_visitor, reporter_base {
|
|
public:
|
|
era_array_reporter(nested_output &o)
|
|
: reporter_base(o) {
|
|
}
|
|
|
|
void visit(era_array_detail::missing_eras const &d) {
|
|
out() << "missing eras from era array" << end_message();
|
|
{
|
|
nested_output::nest _ = push();
|
|
out() << d.get_desc() << end_message();
|
|
out() << "Effected eras: [" << d.eras_.begin_.get()
|
|
<< ", " << d.eras_.end_.get() << ")" << end_message();
|
|
}
|
|
|
|
mplus_error(FATAL);
|
|
}
|
|
|
|
void visit(era_array_detail::invalid_era const &d) {
|
|
out() << "invalid era in era array" << end_message();
|
|
{
|
|
nested_output::nest _ = push();
|
|
out() << d.get_desc() << end_message();
|
|
out() << "block: " << d.block_ << ", era: " << d.era_ << end_message();
|
|
}
|
|
|
|
mplus_error(FATAL);
|
|
}
|
|
|
|
using reporter_base::get_error;
|
|
};
|
|
|
|
//--------------------------------
|
|
|
|
transaction_manager::ptr open_tm(block_manager<>::ptr bm) {
|
|
space_map::ptr sm(new core_map(bm->get_nr_blocks()));
|
|
sm->inc(SUPERBLOCK_LOCATION);
|
|
transaction_manager::ptr tm(new transaction_manager(bm, sm));
|
|
return tm;
|
|
}
|
|
|
|
//--------------------------------
|
|
|
|
struct flags {
|
|
flags()
|
|
: superblock_only_(false),
|
|
quiet_(false) {
|
|
}
|
|
|
|
bool superblock_only_;
|
|
bool quiet_;
|
|
};
|
|
|
|
struct stat guarded_stat(string const &path) {
|
|
struct stat info;
|
|
|
|
int r = ::stat(path.c_str(), &info);
|
|
if (r) {
|
|
ostringstream msg;
|
|
char buffer[128], *ptr;
|
|
|
|
ptr = ::strerror_r(errno, buffer, sizeof(buffer));
|
|
msg << path << ": " << ptr;
|
|
throw runtime_error(msg.str());
|
|
}
|
|
|
|
return info;
|
|
}
|
|
|
|
error_state metadata_check(block_manager<>::ptr bm, flags const &fs) {
|
|
nested_output out(cerr, 2);
|
|
if (fs.quiet_)
|
|
out.disable();
|
|
|
|
superblock_reporter sb_rep(out);
|
|
|
|
out << "examining superblock" << end_message();
|
|
{
|
|
nested_output::nest _ = out.push();
|
|
check_superblock(bm, bm->get_nr_blocks(), sb_rep);
|
|
}
|
|
|
|
if (sb_rep.get_error() == FATAL)
|
|
return FATAL;
|
|
|
|
superblock sb = read_superblock(bm);
|
|
transaction_manager::ptr tm = open_tm(bm);
|
|
|
|
writeset_tree_reporter wt_rep(out);
|
|
{
|
|
era_detail_traits::ref_counter rc(tm);
|
|
writeset_tree wt(tm, sb.writeset_tree_root, rc);
|
|
check_writeset_tree(tm, wt, wt_rep);
|
|
}
|
|
|
|
era_array_reporter ea_rep(out);
|
|
{
|
|
uint32_traits::ref_counter rc;
|
|
era_array ea(tm, rc, sb.era_array_root, sb.nr_blocks);
|
|
check_era_array(ea, sb.current_era, ea_rep);
|
|
}
|
|
|
|
return combine_errors(sb_rep.get_error(),
|
|
combine_errors(wt_rep.get_error(),
|
|
ea_rep.get_error()));
|
|
}
|
|
|
|
int check(string const &path, flags const &fs) {
|
|
error_state err;
|
|
struct stat info = guarded_stat(path);
|
|
|
|
if (!S_ISREG(info.st_mode) && !S_ISBLK(info.st_mode)) {
|
|
ostringstream msg;
|
|
msg << path << ": " << "Not a block device or regular file";
|
|
throw runtime_error(msg.str());
|
|
}
|
|
|
|
block_manager<>::ptr bm = open_bm(path, block_manager<>::READ_ONLY);
|
|
err = metadata_check(bm, fs);
|
|
|
|
return err == NO_ERROR ? 0 : 1;
|
|
}
|
|
|
|
int check_with_exception_handling(string const &path, flags const &fs) {
|
|
int r;
|
|
try {
|
|
r = check(path, fs);
|
|
|
|
} catch (std::exception &e) {
|
|
if (!fs.quiet_)
|
|
cerr << e.what() << endl;
|
|
r = 1;
|
|
}
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
void usage(ostream &out, string const &cmd) {
|
|
out << "Usage: " << cmd << " [options] {device|file}" << endl
|
|
<< "Options:" << endl
|
|
<< " {-q|--quiet}" << endl
|
|
<< " {-h|--help}" << endl
|
|
<< " {-V|--version}" << endl
|
|
<< " {--super-block-only}" << endl;
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int c;
|
|
flags fs;
|
|
const char shortopts[] = "qhV";
|
|
const struct option longopts[] = {
|
|
{ "quiet", no_argument, NULL, 'q' },
|
|
{ "super-block-only", no_argument, NULL, 1 },
|
|
{ "help", no_argument, NULL, 'h' },
|
|
{ "version", no_argument, NULL, 'V' },
|
|
{ NULL, no_argument, NULL, 0 }
|
|
};
|
|
|
|
while ((c = getopt_long(argc, argv, shortopts, longopts, NULL)) != -1) {
|
|
switch(c) {
|
|
case 1:
|
|
fs.superblock_only_ = true;
|
|
break;
|
|
|
|
case 'h':
|
|
usage(cout, basename(argv[0]));
|
|
return 0;
|
|
|
|
case 'q':
|
|
fs.quiet_ = true;
|
|
break;
|
|
|
|
case 'V':
|
|
cout << THIN_PROVISIONING_TOOLS_VERSION << endl;
|
|
return 0;
|
|
|
|
default:
|
|
usage(cerr, basename(argv[0]));
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
if (argc == optind) {
|
|
cerr << "No input file provided." << endl;
|
|
usage(cerr, basename(argv[0]));
|
|
return 1;
|
|
}
|
|
|
|
return check_with_exception_handling(argv[optind], fs);
|
|
}
|
|
|
|
//----------------------------------------------------------------
|