File: snap.c

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/*
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 *
 * 1. Redistributions of source code must retain the above
 *    copyright notice, this list of conditions and the
 *    following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following
 *    disclaimer in the documentation and/or other materials
 *    provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * <COPYRIGHT HOLDER> OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
#include <stdlib.h>
#include <stdint.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>

#include <connector/c/include/tarantool/tnt.h>
#include <connector/c/include/tarantool/tnt_net.h>
#include <connector/c/include/tarantool/tnt_snapshot.h>

static void print_tuple(struct tnt_tuple *tu) {
	printf("[");
	struct tnt_iter ifl;
	tnt_iter(&ifl, tu);
	while (tnt_next(&ifl)) {
		if (TNT_IFIELD_IDX(&ifl) != 0)
			printf(", ");
		char *data = TNT_IFIELD_DATA(&ifl);
		uint32_t size = TNT_IFIELD_SIZE(&ifl);
		if (!isprint(data[0]) && (size == 4 || size == 8)) {
			if (size == 4) {
				uint32_t i = *((uint32_t*)data);
				printf("%"PRIu32, i);
			} else {
				uint64_t i = *((uint64_t*)data);
				printf("%"PRIu64, i);
			}
		} else {
			printf("'%-.*s'", size, data);
		}
	}
	if (ifl.status == TNT_ITER_FAIL)
		printf("<parsing error>");
	tnt_iter_free(&ifl);
	printf("]\n");
}

int
main(int argc, char * argv[])
{
	if (argc != 2)
		return 1;

	struct tnt_stream s;
	tnt_snapshot(&s);

	if (tnt_snapshot_open(&s, argv[1]) == -1)
		return 1;

	struct tnt_iter i;
	tnt_iter_storage(&i, &s);

	while (tnt_next(&i)) {
		struct tnt_iter_storage *is = TNT_ISTORAGE(&i);
		print_tuple(&is->t);
	}
	if (i.status == TNT_ITER_FAIL)
		printf("parsing failed: %s\n", tnt_snapshot_strerror(&s));

	tnt_iter_free(&i);
	tnt_stream_free(&s);
	return 0;
}