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// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/sync/engine/build_commit_command.h"
#include <set>
#include <string>
#include <vector>
#include "chrome/browser/sync/engine/syncer_proto_util.h"
#include "chrome/browser/sync/engine/syncer_session.h"
#include "chrome/browser/sync/engine/syncer_util.h"
#include "chrome/browser/sync/engine/syncproto.h"
#include "chrome/browser/sync/syncable/syncable.h"
#include "chrome/browser/sync/syncable/syncable_changes_version.h"
#include "chrome/browser/sync/util/character_set_converters.h"
#include "chrome/browser/sync/util/sync_types.h"
using std::set;
using std::string;
using std::vector;
using syncable::ExtendedAttribute;
using syncable::Id;
using syncable::MutableEntry;
using syncable::Name;
namespace browser_sync {
BuildCommitCommand::BuildCommitCommand() {}
BuildCommitCommand::~BuildCommitCommand() {}
void BuildCommitCommand::ExecuteImpl(SyncerSession *session) {
ClientToServerMessage message;
message.set_share(ToUTF8(session->account_name()).get_string());
message.set_message_contents(ClientToServerMessage::COMMIT);
CommitMessage* commit_message = message.mutable_commit();
commit_message->set_cache_guid(
session->write_transaction()->directory()->cache_guid());
const vector<Id>& commit_ids = session->commit_ids();
for (size_t i = 0; i < commit_ids.size(); i++) {
Id id = commit_ids[i];
SyncEntity* sync_entry =
static_cast<SyncEntity*>(commit_message->add_entries());
sync_entry->set_id(id);
MutableEntry meta_entry(session->write_transaction(),
syncable::GET_BY_ID,
id);
CHECK(meta_entry.good());
// this is the only change we make to the entry in this function.
meta_entry.Put(syncable::SYNCING, true);
Name name = meta_entry.GetName();
CHECK(!name.value().empty()); // Make sure this isn't an update.
sync_entry->set_name(ToUTF8(name.value()).get_string());
// Set the non_unique_name if we have one. If we do, the server ignores
// the |name| value (using |non_unique_name| instead), and will return
// in the CommitResponse a unique name if one is generated. Even though
// we could get away with only sending |name|, we send both because it
// may aid in logging.
if (name.value() != name.non_unique_value()) {
sync_entry->set_non_unique_name(
ToUTF8(name.non_unique_value()).get_string());
}
// deleted items with negative parent ids can be a problem so we set the
// parent to 0. (TODO(sync): Still true in protocol?
Id new_parent_id;
if (meta_entry.Get(syncable::IS_DEL) &&
!meta_entry.Get(syncable::PARENT_ID).ServerKnows()) {
new_parent_id = session->write_transaction()->root_id();
} else {
new_parent_id = meta_entry.Get(syncable::PARENT_ID);
}
sync_entry->set_parent_id(new_parent_id);
// TODO(sync): Investigate all places that think transactional commits
// actually exist.
//
// This is the only logic we'll need when transactional commits are
// moved to the server.
// If our parent has changes, send up the old one so the server can
// correctly deal with multiple parents.
if (new_parent_id != meta_entry.Get(syncable::SERVER_PARENT_ID) &&
0 != meta_entry.Get(syncable::BASE_VERSION) &&
syncable::CHANGES_VERSION != meta_entry.Get(syncable::BASE_VERSION)) {
sync_entry->set_old_parent_id(meta_entry.Get(syncable::SERVER_PARENT_ID));
}
int64 version = meta_entry.Get(syncable::BASE_VERSION);
if (syncable::CHANGES_VERSION == version || 0 == version) {
// If this CHECK triggers during unit testing, check that we haven't
// altered an item that's an unapplied update.
CHECK(!id.ServerKnows()) << meta_entry;
sync_entry->set_version(0);
} else {
CHECK(id.ServerKnows()) << meta_entry;
sync_entry->set_version(meta_entry.Get(syncable::BASE_VERSION));
}
sync_entry->set_ctime(ClientTimeToServerTime(
meta_entry.Get(syncable::CTIME)));
sync_entry->set_mtime(ClientTimeToServerTime(
meta_entry.Get(syncable::MTIME)));
set<ExtendedAttribute> extended_attributes;
meta_entry.GetAllExtendedAttributes(
session->write_transaction(), &extended_attributes);
set<ExtendedAttribute>::iterator iter;
sync_pb::ExtendedAttributes* mutable_extended_attributes =
sync_entry->mutable_extended_attributes();
for (iter = extended_attributes.begin(); iter != extended_attributes.end();
++iter) {
sync_pb::ExtendedAttributes_ExtendedAttribute *extended_attribute =
mutable_extended_attributes->add_extendedattribute();
extended_attribute->set_key(ToUTF8(iter->key()).get_string());
SyncerProtoUtil::CopyBlobIntoProtoBytes(iter->value(),
extended_attribute->mutable_value());
}
// Deletion is final on the server, let's move things and then delete them.
if (meta_entry.Get(syncable::IS_DEL)) {
sync_entry->set_deleted(true);
} else if (meta_entry.Get(syncable::IS_BOOKMARK_OBJECT)) {
sync_pb::SyncEntity_BookmarkData* bookmark =
sync_entry->mutable_bookmarkdata();
bookmark->set_bookmark_folder(meta_entry.Get(syncable::IS_DIR));
const Id& prev_id = meta_entry.Get(syncable::PREV_ID);
string prev_string = prev_id.IsRoot() ? string() : prev_id.GetServerId();
sync_entry->set_insert_after_item_id(prev_string);
if (!meta_entry.Get(syncable::IS_DIR)) {
string bookmark_url = ToUTF8(meta_entry.Get(syncable::BOOKMARK_URL));
bookmark->set_bookmark_url(bookmark_url);
SyncerProtoUtil::CopyBlobIntoProtoBytes(
meta_entry.Get(syncable::BOOKMARK_FAVICON),
bookmark->mutable_bookmark_favicon());
}
}
}
session->set_commit_message(message);
}
} // namespace browser_sync
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