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author | nick@chromium.org <nick@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-09-10 06:05:27 +0000 |
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committer | nick@chromium.org <nick@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-09-10 06:05:27 +0000 |
commit | 5852edc1b6eab234b9e048c41dd0d664ae7fc747 (patch) | |
tree | 9e5d8eb4833b76cdb11e66fc3607689e0f5e0122 /chrome/browser/sync/engine/syncer_proto_util.h | |
parent | f6059e37f8b8ac335ce18a189a13e702974a1c7e (diff) | |
download | chromium_src-5852edc1b6eab234b9e048c41dd0d664ae7fc747.zip chromium_src-5852edc1b6eab234b9e048c41dd0d664ae7fc747.tar.gz chromium_src-5852edc1b6eab234b9e048c41dd0d664ae7fc747.tar.bz2 |
Initial commit of sync engine code to browser/sync.
The code is not built on any platform yet. That will arrive
as a subsequent checkin.
This is an implementation of the interface exposed earlier
through syncapi.h. It is the client side of a sync
protocol that lets users sync their browser data
(currently, just bookmarks) with their Google Account.
Table of contents:
browser/sync/
protocol - The protocol definition, and
other definitions necessary to connect to
the service.
syncable/ - defines a data model for syncable objects,
and provides a sqlite-based backing store
for this model.
engine/ - includes the core sync logic, including commiting
changes to the server, downloading changes from
the server, resolving conflicts, other parts of
the sync algorithm.
engine/net - parts of the sync engine focused on the
business of talking to the server. Some of
this is binds a generic "server connection"
interface to a concrete implementation
provided by Chromium.
notifier - the part of the syncer focused on the business
of sending and receiving xmpp notifications.
Notifications are used instead of polling to
achieve very low latency change propagation.
util - not necessarily sync specific utility code. Much
of this is scaffolding which should either be
replaced by, or merged with, the utility code
in base/.
BUG=none
TEST=this code includes its own suite of unit tests.
Review URL: http://codereview.chromium.org/194065
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@25850 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'chrome/browser/sync/engine/syncer_proto_util.h')
-rw-r--r-- | chrome/browser/sync/engine/syncer_proto_util.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/chrome/browser/sync/engine/syncer_proto_util.h b/chrome/browser/sync/engine/syncer_proto_util.h new file mode 100644 index 0000000..ecee903 --- /dev/null +++ b/chrome/browser/sync/engine/syncer_proto_util.h @@ -0,0 +1,73 @@ +// Copyright (c) 2006-2008 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. + +#ifndef CHROME_BROWSER_SYNC_ENGINE_SYNCER_PROTO_UTIL_H_ +#define CHROME_BROWSER_SYNC_ENGINE_SYNCER_PROTO_UTIL_H_ + +#include <string> + +#include "chrome/browser/sync/engine/syncer_session.h" +#include "chrome/browser/sync/util/sync_types.h" +#include "chrome/browser/sync/syncable/blob.h" + +namespace syncable { +class Entry; +class ScopedDirLookup; +class SyncName; +} // namespace syncable + +namespace sync_pb { +class ClientToServerResponse; +} // namespace sync_pb + +namespace browser_sync { + +class ClientToServerMessage; +class SyncerSession; +class SyncEntity; +class CommitResponse_EntryResponse; + +class SyncerProtoUtil { + public: + // Posts the given message and fills the buffer with the returned value. + // Returns true on success. Also handles store birthday verification: + // session->status()->syncer_stuck_ is set true if the birthday is + // incorrect. A false value will always be returned if birthday is bad. + static bool PostClientToServerMessage(ClientToServerMessage* msg, + sync_pb::ClientToServerResponse* response, SyncerSession *session); + + // Compares a syncable Entry to SyncEntity, returns true iff + // the data is identical. + // + // TODO(sync): The places where this function is used are arguable big + // causes of the fragility, because there's a tendency to freak out + // the moment the local and server values diverge. However, this almost + // always indicates a sync bug somewhere earlier in the sync cycle. + static bool Compare(const syncable::Entry& local_entry, + const SyncEntity& server_entry); + + // Utility methods for converting between syncable::Blobs and protobuf + // byte fields. + static void CopyProtoBytesIntoBlob(const std::string& proto_bytes, + syncable::Blob* blob); + static bool ProtoBytesEqualsBlob(const std::string& proto_bytes, + const syncable::Blob& blob); + static void CopyBlobIntoProtoBytes(const syncable::Blob& blob, + std::string* proto_bytes); + + // Extract the name fields from a sync entity. + static syncable::SyncName NameFromSyncEntity( + const SyncEntity& entry); + + // Extract the name fields from a commit entry response. + static syncable::SyncName NameFromCommitEntryResponse( + const CommitResponse_EntryResponse& entry); + + private: + SyncerProtoUtil() {} + DISALLOW_COPY_AND_ASSIGN(SyncerProtoUtil); +}; +} // namespace browser_sync + +#endif // CHROME_BROWSER_SYNC_ENGINE_SYNCER_PROTO_UTIL_H_ |