1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
// Copyright (c) 2012 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 "sync/engine/apply_updates_command.h"
#include "base/location.h"
#include "sync/engine/update_applicator.h"
#include "sync/sessions/sync_session.h"
#include "sync/syncable/syncable.h"
namespace browser_sync {
using sessions::SyncSession;
ApplyUpdatesCommand::ApplyUpdatesCommand() {}
ApplyUpdatesCommand::~ApplyUpdatesCommand() {}
std::set<ModelSafeGroup> ApplyUpdatesCommand::GetGroupsToChange(
const sessions::SyncSession& session) const {
std::set<ModelSafeGroup> groups_with_unapplied_updates;
syncable::FullModelTypeSet server_types_with_unapplied_updates;
{
syncable::Directory* dir = session.context()->directory();
syncable::ReadTransaction trans(FROM_HERE, dir);
server_types_with_unapplied_updates =
dir->GetServerTypesWithUnappliedUpdates(&trans);
}
for (syncable::FullModelTypeSet::Iterator it =
server_types_with_unapplied_updates.First(); it.Good(); it.Inc()) {
groups_with_unapplied_updates.insert(
GetGroupForModelType(it.Get(), session.routing_info()));
}
return groups_with_unapplied_updates;
}
SyncerError ApplyUpdatesCommand::ModelChangingExecuteImpl(
SyncSession* session) {
syncable::Directory* dir = session->context()->directory();
syncable::WriteTransaction trans(FROM_HERE, syncable::SYNCER, dir);
// Compute server types with unapplied updates that fall under our
// group restriction.
const syncable::FullModelTypeSet server_types_with_unapplied_updates =
dir->GetServerTypesWithUnappliedUpdates(&trans);
syncable::FullModelTypeSet server_type_restriction;
for (syncable::FullModelTypeSet::Iterator it =
server_types_with_unapplied_updates.First(); it.Good(); it.Inc()) {
if (GetGroupForModelType(it.Get(), session->routing_info()) ==
session->status_controller().group_restriction()) {
server_type_restriction.Put(it.Get());
}
}
std::vector<int64> handles;
dir->GetUnappliedUpdateMetaHandles(
&trans, server_type_restriction, &handles);
UpdateApplicator applicator(
session->context()->resolver(),
dir->GetCryptographer(&trans),
handles.begin(), handles.end(), session->routing_info(),
session->status_controller().group_restriction());
while (applicator.AttemptOneApplication(&trans)) {}
applicator.SaveProgressIntoSessionState(
session->mutable_status_controller()->mutable_conflict_progress(),
session->mutable_status_controller()->mutable_update_progress());
// This might be the first time we've fully completed a sync cycle, for
// some subset of the currently synced datatypes.
const sessions::StatusController& status(session->status_controller());
if (status.ServerSaysNothingMoreToDownload()) {
for (syncable::ModelTypeSet::Iterator it =
status.updates_request_types().First(); it.Good(); it.Inc()) {
// This gets persisted to the directory's backing store.
dir->set_initial_sync_ended_for_type(it.Get(), true);
}
}
return SYNCER_OK;
}
} // namespace browser_sync
|
