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| | /*
Copyright 2020 Google LLC
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file or at
https://developers.google.com/open-source/licenses/bsd
*/
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include "reftable.h"
#include "reftable-tests.h"
static uint32_t hash_id;
static int dump_table(const char *tablename)
{
struct reftable_block_source src = { 0 };
int err = reftable_block_source_from_file(&src, tablename);
struct reftable_iterator it = { 0 };
struct reftable_ref_record ref = { 0 };
struct reftable_log_record log = { 0 };
struct reftable_reader *r = NULL;
if (err < 0)
return err;
err = reftable_new_reader(&r, &src, tablename);
if (err < 0)
return err;
err = reftable_reader_seek_ref(r, &it, "");
if (err < 0) {
return err;
}
while (1) {
err = reftable_iterator_next_ref(&it, &ref);
if (err > 0) {
break;
}
if (err < 0) {
return err;
}
reftable_ref_record_print(&ref, hash_id);
}
reftable_iterator_destroy(&it);
reftable_ref_record_clear(&ref);
err = reftable_reader_seek_log(r, &it, "");
if (err < 0) {
return err;
}
while (1) {
err = reftable_iterator_next_log(&it, &log);
if (err > 0) {
break;
}
if (err < 0) {
return err;
}
reftable_log_record_print(&log, hash_id);
}
reftable_iterator_destroy(&it);
reftable_log_record_clear(&log);
reftable_reader_free(r);
return 0;
}
static int compact_stack(const char *stackdir)
{
struct reftable_stack *stack = NULL;
struct reftable_write_options cfg = {};
int err = reftable_new_stack(&stack, stackdir, cfg);
if (err < 0)
goto done;
err = reftable_stack_compact_all(stack, NULL);
if (err < 0)
goto done;
done:
if (stack != NULL) {
reftable_stack_destroy(stack);
}
return err;
}
static int dump_stack(const char *stackdir)
{
struct reftable_stack *stack = NULL;
struct reftable_write_options cfg = {};
struct reftable_iterator it = { 0 };
struct reftable_ref_record ref = { 0 };
struct reftable_log_record log = { 0 };
struct reftable_merged_table *merged = NULL;
int err = reftable_new_stack(&stack, stackdir, cfg);
if (err < 0)
return err;
merged = reftable_stack_merged_table(stack);
err = reftable_merged_table_seek_ref(merged, &it, "");
if (err < 0) {
return err;
}
while (1) {
err = reftable_iterator_next_ref(&it, &ref);
if (err > 0) {
break;
}
if (err < 0) {
return err;
}
reftable_ref_record_print(&ref, hash_id);
}
reftable_iterator_destroy(&it);
reftable_ref_record_clear(&ref);
err = reftable_merged_table_seek_log(merged, &it, "");
if (err < 0) {
return err;
}
while (1) {
err = reftable_iterator_next_log(&it, &log);
if (err > 0) {
break;
}
if (err < 0) {
return err;
}
reftable_log_record_print(&log, hash_id);
}
reftable_iterator_destroy(&it);
reftable_log_record_clear(&log);
reftable_stack_destroy(stack);
return 0;
}
static void print_help(void)
{
printf("usage: dump [-cst] arg\n\n"
"options: \n"
" -c compact\n"
" -t dump table\n"
" -s dump stack\n"
" -h this help\n"
" -2 use SHA256\n"
"\n");
}
int reftable_dump_main(int argc, char *const *argv)
{
int err = 0;
int opt;
int opt_dump_table = 0;
int opt_dump_stack = 0;
int opt_compact = 0;
const char *arg = NULL;
while ((opt = getopt(argc, argv, "2chts")) != -1) {
switch (opt) {
case '2':
hash_id = 0x73323536;
break;
case 't':
opt_dump_table = 1;
break;
case 's':
opt_dump_stack = 1;
break;
case 'c':
opt_compact = 1;
break;
case '?':
case 'h':
print_help();
return 2;
break;
}
}
if (argv[optind] == NULL) {
fprintf(stderr, "need argument\n");
print_help();
return 2;
}
arg = argv[optind];
if (opt_dump_table) {
err = dump_table(arg);
} else if (opt_dump_stack) {
err = dump_stack(arg);
} else if (opt_compact) {
err = compact_stack(arg);
}
if (err < 0) {
fprintf(stderr, "%s: %s: %s\n", argv[0], arg,
reftable_error_str(err));
return 1;
}
return 0;
}
|