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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/download_updates_command.h"
#include <string>
#include "chrome/browser/sync/engine/syncer.h"
#include "chrome/browser/sync/engine/syncer_proto_util.h"
#include "chrome/browser/sync/engine/syncproto.h"
#include "chrome/browser/sync/sessions/sync_session.h"
#include "chrome/browser/sync/syncable/directory_manager.h"
#include "chrome/browser/sync/util/sync_types.h"
using syncable::ScopedDirLookup;
namespace browser_sync {
using sessions::StatusController;
using sessions::SyncSession;
using std::string;
DownloadUpdatesCommand::DownloadUpdatesCommand() {}
DownloadUpdatesCommand::~DownloadUpdatesCommand() {}
void DownloadUpdatesCommand::ExecuteImpl(SyncSession* session) {
ClientToServerMessage client_to_server_message;
ClientToServerResponse update_response;
client_to_server_message.set_share(session->context()->account_name());
client_to_server_message.set_message_contents(
ClientToServerMessage::GET_UPDATES);
GetUpdatesMessage* get_updates =
client_to_server_message.mutable_get_updates();
ScopedDirLookup dir(session->context()->directory_manager(),
session->context()->account_name());
if (!dir.good()) {
LOG(ERROR) << "Scoped dir lookup failed!";
return;
}
LOG(INFO) << "Getting updates from ts " << dir->last_sync_timestamp();
get_updates->set_from_timestamp(dir->last_sync_timestamp());
// We want folders for our associated types, always. If we were to set
// this to false, the server would send just the non-container items
// (e.g. Bookmark URLs but not their containing folders).
get_updates->set_fetch_folders(true);
// Set the requested_types protobuf field so that we fetch all enabled types.
SetRequestedTypes(session->routing_info(),
get_updates->mutable_requested_types());
// Set GetUpdatesMessage.GetUpdatesCallerInfo information.
get_updates->mutable_caller_info()->set_source(session->TestAndSetSource());
get_updates->mutable_caller_info()->set_notifications_enabled(
session->context()->notifications_enabled());
bool ok = SyncerProtoUtil::PostClientToServerMessage(
&client_to_server_message,
&update_response,
session);
DLOG(INFO) << SyncerProtoUtil::ClientToServerResponseDebugString(
update_response);
StatusController* status = session->status_controller();
if (!ok) {
status->increment_num_consecutive_errors();
LOG(ERROR) << "PostClientToServerMessage() failed";
return;
}
status->mutable_updates_response()->CopyFrom(update_response);
}
void DownloadUpdatesCommand::SetRequestedTypes(
const ModelSafeRoutingInfo& routing_info,
sync_pb::EntitySpecifics* types) {
// The datatypes which should be synced are dictated by the value of the
// ModelSafeRoutingInfo. If a datatype is in the routing info map, it
// should be synced (even if it's GROUP_PASSIVE).
int requested_type_count = 0;
for (ModelSafeRoutingInfo::const_iterator i = routing_info.begin();
i != routing_info.end();
++i) {
requested_type_count++;
syncable::AddDefaultExtensionValue(i->first, types);
}
DCHECK_LT(0, requested_type_count) << "Doing GetUpdates with empty filter.";
}
} // namespace browser_sync
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