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authorDimitri John Ledkov <xnox@ubuntu.com>2017-02-13 11:24:33 +0000
committerDimitri John Ledkov <xnox@ubuntu.com>2017-02-13 11:24:33 +0000
commit4305d024938113df5d73021a09eb2a991f54ca2f (patch)
treed9e7ecc9db14bcc1394607a9e6c644a8b93e9bea /send-test.c
parente693f0e4ffb1776a05b78264ee3d93d5f07efede (diff)
New upstream release Closes: #849353, #817806, #854915, #845473
Diffstat (limited to 'send-test.c')
-rw-r--r--send-test.c447
1 files changed, 0 insertions, 447 deletions
diff --git a/send-test.c b/send-test.c
deleted file mode 100644
index 4645b898..00000000
--- a/send-test.c
+++ /dev/null
@@ -1,447 +0,0 @@
-/*
- * Copyright (C) 2013 SUSE. All rights reserved.
- *
- * This code is adapted from cmds-send.c and cmds-receive.c,
- * Both of which are:
- *
- * Copyright (C) 2012 Alexander Block. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License v2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA.
- */
-
-#include <unistd.h>
-#include <stdint.h>
-#include <dirent.h>
-#include <pthread.h>
-#include <math.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <libgen.h>
-#include <mntent.h>
-#include <limits.h>
-#include <stdlib.h>
-#include <asm/types.h>
-#include <uuid/uuid.h>
-
-/*
- * This should be compilable without the rest of the btrfs-progs
- * source distribution.
- */
-#if BTRFS_FLAT_INCLUDES
-#include "send-utils.h"
-#include "send-stream.h"
-#else
-#include <btrfs/send-utils.h>
-#include <btrfs/send-stream.h>
-#endif /* BTRFS_FLAT_INCLUDES */
-
-static int pipefd[2];
-struct btrfs_ioctl_send_args io_send = {0, };
-static char *subvol_path;
-static char *root_path;
-
-struct recv_args {
- char *full_subvol_path;
- char *root_path;
-};
-
-void usage(int error)
-{
- printf("send-test <btrfs root> <subvol>\n");
- if (error)
- exit(error);
-}
-
-static int print_subvol(const char *path, const u8 *uuid, u64 ctransid,
- void *user)
-{
- struct recv_args *r = user;
- char uuid_str[BTRFS_UUID_UNPARSED_SIZE];
-
- r->full_subvol_path = path_cat(r->root_path, path);
- uuid_unparse(uuid, uuid_str);
-
- printf("subvol\t%s\t%llu\t%s\n", uuid_str,
- (unsigned long long)ctransid, r->full_subvol_path);
-
- return 0;
-}
-
-static int print_snapshot(const char *path, const u8 *uuid, u64 ctransid,
- const u8 *parent_uuid, u64 parent_ctransid,
- void *user)
-{
- struct recv_args *r = user;
- char uuid_str[BTRFS_UUID_UNPARSED_SIZE];
- char parent_uuid_str[BTRFS_UUID_UNPARSED_SIZE];
-
- r->full_subvol_path = path_cat(r->root_path, path);
- uuid_unparse(uuid, uuid_str);
- uuid_unparse(parent_uuid, parent_uuid_str);
-
- printf("snapshot\t%s\t%llu\t%s\t%llu\t%s\n", uuid_str,
- (unsigned long long)ctransid, parent_uuid_str,
- (unsigned long long)parent_ctransid, r->full_subvol_path);
-
- return 0;
-}
-
-static int print_mkfile(const char *path, void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("mkfile\t%s\n", full_path);
-
- free(full_path);
- return 0;
-}
-
-static int print_mkdir(const char *path, void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("mkdir\t%s\n", full_path);
-
- free(full_path);
- return 0;
-}
-
-static int print_mknod(const char *path, u64 mode, u64 dev, void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("mknod\t%llo\t0x%llx\t%s\n", (unsigned long long)mode,
- (unsigned long long)dev, full_path);
-
- free(full_path);
- return 0;
-}
-
-static int print_mkfifo(const char *path, void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("mkfifo\t%s\n", full_path);
-
- free(full_path);
- return 0;
-}
-
-static int print_mksock(const char *path, void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("mksock\t%s\n", full_path);
-
- free(full_path);
- return 0;
-}
-
-static int print_symlink(const char *path, const char *lnk, void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("symlink\t%s\t%s\n", lnk, full_path);
-
- free(full_path);
- return 0;
-}
-
-static int print_rename(const char *from, const char *to, void *user)
-{
- struct recv_args *r = user;
- char *full_from = path_cat(r->full_subvol_path, from);
- char *full_to = path_cat(r->full_subvol_path, to);
-
- printf("rename\t%s\t%s\n", from, to);
-
- free(full_from);
- free(full_to);
- return 0;
-}
-
-static int print_link(const char *path, const char *lnk, void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("link\t%s\t%s\n", lnk, full_path);
-
- free(full_path);
- return 0;
-}
-
-static int print_unlink(const char *path, void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("unlink\t%s\n", full_path);
-
- free(full_path);
- return 0;
-}
-
-static int print_rmdir(const char *path, void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("rmdir\t%s\n", full_path);
-
- free(full_path);
- return 0;
-}
-
-static int print_write(const char *path, const void *data, u64 offset,
- u64 len, void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("write\t%llu\t%llu\t%s\n", (unsigned long long)offset,
- (unsigned long long)len, full_path);
-
- free(full_path);
- return 0;
-}
-
-static int print_clone(const char *path, u64 offset, u64 len,
- const u8 *clone_uuid, u64 clone_ctransid,
- const char *clone_path, u64 clone_offset,
- void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("clone\t%s\t%s\n", full_path, clone_path);
-
- free(full_path);
- return 0;
-}
-
-static int print_set_xattr(const char *path, const char *name,
- const void *data, int len, void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("set_xattr\t%s\t%s\t%d\n", full_path,
- name, len);
-
- free(full_path);
- return 0;
-}
-
-static int print_remove_xattr(const char *path, const char *name, void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("remove_xattr\t%s\t%s\n", full_path, name);
-
- free(full_path);
- return 0;
-}
-
-static int print_truncate(const char *path, u64 size, void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("truncate\t%llu\t%s\n", (unsigned long long)size, full_path);
-
- free(full_path);
- return 0;
-}
-
-static int print_chmod(const char *path, u64 mode, void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("chmod\t%llo\t%s\n", (unsigned long long)mode, full_path);
-
- free(full_path);
- return 0;
-}
-
-static int print_chown(const char *path, u64 uid, u64 gid, void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("chown\t%llu\t%llu\t%s\n", (unsigned long long)uid,
- (unsigned long long)gid, full_path);
-
- free(full_path);
- return 0;
-}
-
-static int print_utimes(const char *path, struct timespec *at,
- struct timespec *mt, struct timespec *ct,
- void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("utimes\t%s\n", full_path);
-
- free(full_path);
- return 0;
-}
-
-static int print_update_extent(const char *path, u64 offset, u64 len,
- void *user)
-{
- struct recv_args *r = user;
- char *full_path = path_cat(r->full_subvol_path, path);
-
- printf("update_extent\t%s\t%llu\t%llu\n", full_path, offset, len);
-
- free(full_path);
- return 0;
-}
-
-static struct btrfs_send_ops send_ops_print = {
- .subvol = print_subvol,
- .snapshot = print_snapshot,
- .mkfile = print_mkfile,
- .mkdir = print_mkdir,
- .mknod = print_mknod,
- .mkfifo = print_mkfifo,
- .mksock = print_mksock,
- .symlink = print_symlink,
- .rename = print_rename,
- .link = print_link,
- .unlink = print_unlink,
- .rmdir = print_rmdir,
- .write = print_write,
- .clone = print_clone,
- .set_xattr = print_set_xattr,
- .remove_xattr = print_remove_xattr,
- .truncate = print_truncate,
- .chmod = print_chmod,
- .chown = print_chown,
- .utimes = print_utimes,
- .update_extent = print_update_extent,
-};
-
-static void *process_thread(void *arg_)
-{
- int ret;
-
- while (1) {
- ret = btrfs_read_and_process_send_stream(pipefd[0],
- &send_ops_print, arg_, 0);
- if (ret)
- break;
- }
-
- if (ret > 0)
- ret = 0;
-
- return ERR_PTR(ret);
-}
-
-int main(int argc, char **argv)
-{
- int ret = 0;
- int subvol_fd;
- pthread_t t_read;
- void *t_err = NULL;
- struct recv_args r;
-
- if (argc != 3)
- usage(EINVAL);
-
- root_path = realpath(argv[1], NULL);
- if (!root_path) {
- ret = errno;
- usage(ret);
- }
-
- subvol_path = realpath(argv[2], NULL);
- if (!subvol_path) {
- ret = errno;
- usage(ret);
- }
-
- r.full_subvol_path = subvol_path;
- r.root_path = root_path;
-
- subvol_fd = open(subvol_path, O_RDONLY|O_NOATIME);
- if (subvol_fd < 0) {
- ret = errno;
- fprintf(stderr, "ERROR: Subvolume open failed. %s\n",
- strerror(ret));
- goto out;
- }
-
- ret = pipe(pipefd);
- if (ret < 0) {
- ret = errno;
- fprintf(stderr, "ERROR: pipe failed. %s\n", strerror(ret));
- goto out;
- }
-
- ret = pthread_create(&t_read, NULL, process_thread, &r);
- if (ret < 0) {
- ret = errno;
- fprintf(stderr, "ERROR: pthread create failed. %s\n",
- strerror(ret));
- goto out;
- }
-
- io_send.send_fd = pipefd[1];
- io_send.clone_sources_count = 0;
- io_send.clone_sources = NULL;
- io_send.parent_root = 0;
- io_send.flags = BTRFS_SEND_FLAG_NO_FILE_DATA;
-
- ret = ioctl(subvol_fd, BTRFS_IOC_SEND, &io_send);
- if (ret < 0) {
- ret = errno;
- fprintf(stderr, "ERROR: send ioctl failed with %d: %s\n", ret,
- strerror(ret));
- goto out;
- }
-
- close(pipefd[1]);
-
- ret = pthread_join(t_read, &t_err);
- if (ret) {
- fprintf(stderr, "ERROR: pthread_join failed: %s\n",
- strerror(ret));
- goto out;
- }
- if (t_err) {
- ret = (long int)t_err;
- fprintf(stderr, "ERROR: failed to process send stream, ret=%ld "
- "(%s)\n", (long int)t_err, strerror(ret));
- goto out;
- }
-
-out:
- return !!ret;
-}