--- /dev/null
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+* Ceph - scalable distributed file system
+*
+* Copyright (C) 2012 New Dream Network
+*
+* This is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License version 2.1, as published by the Free Software
+* Foundation. See file COPYING.
+*/
+#include <stdio.h>
+#include <stdlib.h>
+#include <map>
+#include <boost/scoped_ptr.hpp>
+#include "common/debug.h"
+#include "os/filestore/FileStore.h"
+#include "common/config.h"
+
+#include "FileStoreDiff.h"
+
+#define dout_context g_ceph_context
+#define dout_subsys ceph_subsys_filestore
+#undef dout_prefix
+#define dout_prefix *_dout << "filestore_diff "
+
+FileStoreDiff::FileStoreDiff(FileStore *a, FileStore *b)
+ : a_store(a), b_store(b)
+{
+ int err;
+ err = a_store->mount();
+ ceph_assert(err == 0);
+
+ err = b_store->mount();
+ ceph_assert(err == 0);
+}
+
+FileStoreDiff::~FileStoreDiff()
+{
+ a_store->umount();
+ b_store->umount();
+}
+
+
+bool FileStoreDiff::diff_attrs(std::map<std::string,bufferptr>& b,
+ std::map<std::string,bufferptr>& a)
+{
+ bool ret = false;
+ std::map<std::string, bufferptr>::iterator b_it = b.begin();
+ std::map<std::string, bufferptr>::iterator a_it = a.begin();
+ for (; b_it != b.end(); ++b_it, ++a_it) {
+ if (b_it->first != a_it->first) {
+ dout(0) << "diff_attrs name mismatch (verify: " << b_it->first
+ << ", store: " << a_it->first << ")" << dendl;
+ ret = true;
+ continue;
+ }
+
+ if (!b_it->second.cmp(a_it->second)) {
+ dout(0) << "diff_attrs contents mismatch on attr " << b_it->first << dendl;
+ ret = true;
+ continue;
+ }
+ }
+ return ret;
+}
+
+static bool diff_omap(std::map<std::string,bufferlist>& b,
+ std::map<std::string,bufferlist>& a)
+{
+ bool ret = false;
+ std::map<std::string, bufferlist>::iterator b_it = b.begin();
+ std::map<std::string, bufferlist>::iterator a_it = a.begin();
+ for (; b_it != b.end(); ++b_it, ++a_it) {
+ if (b_it->first != a_it->first) {
+ dout(0) << "diff_attrs name mismatch (verify: " << b_it->first
+ << ", store: " << a_it->first << ")" << dendl;
+ ret = true;
+ continue;
+ }
+
+ if (!(b_it->second == a_it->second)) {
+ dout(0) << "diff_attrs contents mismatch on attr " << b_it->first << dendl;
+ ret = true;
+ continue;
+ }
+ }
+ return ret;
+}
+
+bool FileStoreDiff::diff_objects_stat(struct stat& a, struct stat& b)
+{
+ bool ret = false;
+
+ if (a.st_uid != b.st_uid) {
+ dout(0) << "diff_objects_stat uid mismatch (A: "
+ << a.st_uid << " != B: " << b.st_uid << ")" << dendl;
+ ret = true;
+ }
+
+ if (a.st_gid != b.st_gid) {
+ dout(0) << "diff_objects_stat gid mismatch (A: "
+ << a.st_gid << " != B: " << b.st_gid << ")" << dendl;
+ ret = true;
+ }
+
+ if (a.st_mode != b.st_mode) {
+ dout(0) << "diff_objects_stat mode mismatch (A: "
+ << a.st_mode << " != B: " << b.st_mode << ")" << dendl;
+ ret = true;
+ }
+
+ if (a.st_nlink != b.st_nlink) {
+ dout(0) << "diff_objects_stat nlink mismatch (A: "
+ << a.st_nlink << " != B: " << b.st_nlink << ")" << dendl;
+ ret = true;
+ }
+
+ if (a.st_size != b.st_size) {
+ dout(0) << "diff_objects_stat size mismatch (A: "
+ << a.st_size << " != B: " << b.st_size << ")" << dendl;
+ ret = true;
+ }
+ return ret;
+}
+
+bool FileStoreDiff::diff_objects(FileStore *a_store, FileStore *b_store, coll_t coll)
+{
+ dout(2) << __func__ << " coll " << coll << dendl;
+
+ bool ret = false;
+
+ int err;
+ std::vector<ghobject_t> b_objects, a_objects;
+ err = b_store->collection_list(coll, ghobject_t(), ghobject_t::get_max(),
+ INT_MAX, &b_objects, NULL);
+ if (err < 0) {
+ dout(0) << "diff_objects list on verify coll " << coll.to_str()
+ << " returns " << err << dendl;
+ return true;
+ }
+ err = a_store->collection_list(coll, ghobject_t(), ghobject_t::get_max(),
+ INT_MAX, &a_objects, NULL);
+ if (err < 0) {
+ dout(0) << "diff_objects list on store coll " << coll.to_str()
+ << " returns " << err << dendl;
+ return true;
+ }
+
+ if (b_objects.size() != a_objects.size()) {
+ dout(0) << "diff_objects num objs mismatch (A: " << a_objects.size()
+ << ", B: " << b_objects.size() << ")" << dendl;
+ ret = true;
+ }
+
+ std::vector<ghobject_t>::iterator b_it = b_objects.begin();
+ std::vector<ghobject_t>::iterator a_it = b_objects.begin();
+ for (; b_it != b_objects.end(); ++b_it, ++a_it) {
+ ghobject_t b_obj = *b_it, a_obj = *a_it;
+ if (b_obj.hobj.oid.name != a_obj.hobj.oid.name) {
+ dout(0) << "diff_objects name mismatch on A object "
+ << coll << "/" << a_obj << " and B object "
+ << coll << "/" << b_obj << dendl;
+ ret = true;
+ continue;
+ }
+
+ struct stat b_stat, a_stat;
+ err = b_store->stat(coll, b_obj, &b_stat);
+ if (err < 0) {
+ dout(0) << "diff_objects error stating B object "
+ << coll.to_str() << "/" << b_obj.hobj.oid.name << dendl;
+ ret = true;
+ }
+ err = a_store->stat(coll, a_obj, &a_stat);
+ if (err < 0) {
+ dout(0) << "diff_objects error stating A object "
+ << coll << "/" << a_obj << dendl;
+ ret = true;
+ }
+
+ if (diff_objects_stat(a_stat, b_stat)) {
+ dout(0) << "diff_objects stat mismatch on "
+ << coll << "/" << b_obj << dendl;
+ ret = true;
+ }
+
+ bufferlist a_obj_bl, b_obj_bl;
+ b_store->read(coll, b_obj, 0, b_stat.st_size, b_obj_bl);
+ a_store->read(coll, a_obj, 0, a_stat.st_size, a_obj_bl);
+
+ if (!a_obj_bl.contents_equal(b_obj_bl)) {
+ dout(0) << "diff_objects content mismatch on "
+ << coll << "/" << b_obj << dendl;
+ ret = true;
+ }
+
+ std::map<std::string, bufferptr> a_obj_attrs_map, b_obj_attrs_map;
+ err = a_store->getattrs(coll, a_obj, a_obj_attrs_map);
+ if (err < 0) {
+ dout(0) << "diff_objects getattrs on A object " << coll << "/" << a_obj
+ << " returns " << err << dendl;
+ ret = true;
+ }
+ err = b_store->getattrs(coll, b_obj, b_obj_attrs_map);
+ if (err < 0) {
+ dout(0) << "diff_objects getattrs on B object " << coll << "/" << b_obj
+ << "returns " << err << dendl;
+ ret = true;
+ }
+
+ if (diff_attrs(b_obj_attrs_map, a_obj_attrs_map)) {
+ dout(0) << "diff_objects attrs mismatch on A object "
+ << coll << "/" << a_obj << " and B object "
+ << coll << "/" << b_obj << dendl;
+ ret = true;
+ }
+
+ std::map<std::string, bufferlist> a_obj_omap, b_obj_omap;
+ std::set<std::string> a_omap_keys, b_omap_keys;
+ err = a_store->omap_get_keys(coll, a_obj, &a_omap_keys);
+ if (err < 0) {
+ dout(0) << "diff_objects getomap on A object " << coll << "/" << a_obj
+ << " returns " << err << dendl;
+ ret = true;
+ }
+ err = a_store->omap_get_values(coll, a_obj, a_omap_keys, &a_obj_omap);
+ if (err < 0) {
+ dout(0) << "diff_objects getomap on A object " << coll << "/" << a_obj
+ << " returns " << err << dendl;
+ ret = true;
+ }
+ err = b_store->omap_get_keys(coll, b_obj, &b_omap_keys);
+ if (err < 0) {
+ dout(0) << "diff_objects getomap on A object " << coll << "/" << b_obj
+ << " returns " << err << dendl;
+ ret = true;
+ }
+ err = b_store->omap_get_values(coll, b_obj, b_omap_keys, &b_obj_omap);
+ if (err < 0) {
+ dout(0) << "diff_objects getomap on A object " << coll << "/" << b_obj
+ << " returns " << err << dendl;
+ ret = true;
+ }
+ if (diff_omap(a_obj_omap, b_obj_omap)) {
+ dout(0) << "diff_objects omap mismatch on A object "
+ << coll << "/" << a_obj << " and B object "
+ << coll << "/" << b_obj << dendl;
+ ret = true;
+ }
+ }
+
+ return ret;
+}
+
+bool FileStoreDiff::diff()
+{
+ bool ret = false;
+
+ std::vector<coll_t> a_coll_list, b_coll_list;
+ a_store->list_collections(a_coll_list);
+ b_store->list_collections(b_coll_list);
+
+ std::vector<coll_t>::iterator it = b_coll_list.begin();
+ for (; it != b_coll_list.end(); ++it) {
+ coll_t b_coll = *it;
+ if (!a_store->collection_exists(b_coll)) {
+ dout(0) << "diff B coll " << b_coll.to_str() << " DNE on A" << dendl;
+ ret = true;
+ continue;
+ }
+ for (std::vector<coll_t>::iterator j = a_coll_list.begin();
+ j != a_coll_list.end(); ++j) {
+ if (*j == *it) {
+ a_coll_list.erase(j);
+ break;
+ }
+ }
+
+ if (diff_objects(a_store, b_store, b_coll))
+ ret = true;
+ }
+ for (std::vector<coll_t>::iterator it = a_coll_list.begin();
+ it != a_coll_list.end(); ++it) {
+ dout(0) << "diff A coll " << *it << " DNE on B" << dendl;
+ ret = true;
+ }
+
+ return ret;
+}
Code Review / stor4nfv.git / blobdiff