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// Copyright (c) 2011 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/notifier/server_notifier_thread.h"
#include <string>
#include <vector>
#include "base/logging.h"
#include "chrome/browser/sync/notifier/chrome_invalidation_client.h"
#include "jingle/notifier/base/notifier_options.h"
#include "jingle/notifier/listener/notification_defines.h"
#include "talk/xmpp/xmppclient.h"
namespace sync_notifier {
ServerNotifierThread::ServerNotifierThread(
const notifier::NotifierOptions& notifier_options,
const std::string& client_info, const std::string& state,
StateWriter* state_writer)
: notifier::MediatorThreadImpl(notifier_options),
client_info_(client_info),
state_(state),
state_writers_(new ObserverListThreadSafe<StateWriter>()),
state_writer_(state_writer) {
DCHECK_EQ(notifier::NOTIFICATION_SERVER,
notifier_options.notification_method);
DCHECK(state_writer_);
state_writers_->AddObserver(state_writer_);
}
ServerNotifierThread::~ServerNotifierThread() {}
void ServerNotifierThread::ListenForUpdates() {
DCHECK_EQ(MessageLoop::current(), parent_message_loop_);
worker_message_loop()->PostTask(
FROM_HERE,
NewRunnableMethod(this, &ServerNotifierThread::DoListenForUpdates));
}
void ServerNotifierThread::SubscribeForUpdates(
const notifier::SubscriptionList& subscriptions) {
DCHECK_EQ(MessageLoop::current(), parent_message_loop_);
worker_message_loop()->PostTask(
FROM_HERE,
NewRunnableMethod(
this, &ServerNotifierThread::RegisterTypes));
worker_message_loop()->PostTask(
FROM_HERE,
NewRunnableMethod(
this, &ServerNotifierThread::SignalSubscribed));
}
void ServerNotifierThread::UpdateEnabledTypes(
const syncable::ModelTypeSet& types) {
DCHECK_EQ(MessageLoop::current(), parent_message_loop_);
worker_message_loop()->PostTask(
FROM_HERE,
NewRunnableMethod(
this,
&ServerNotifierThread::SetRegisteredTypes,
types));
worker_message_loop()->PostTask(
FROM_HERE,
NewRunnableMethod(
this, &ServerNotifierThread::RegisterTypes));
}
void ServerNotifierThread::Logout() {
DCHECK_EQ(MessageLoop::current(), parent_message_loop_);
state_writers_->RemoveObserver(state_writer_);
state_writer_ = NULL;
worker_message_loop()->PostTask(
FROM_HERE,
NewRunnableMethod(this,
&ServerNotifierThread::StopInvalidationListener));
MediatorThreadImpl::Logout();
}
void ServerNotifierThread::SendNotification(
const notifier::Notification& notification) {
DCHECK_EQ(MessageLoop::current(), parent_message_loop_);
NOTREACHED() << "Shouldn't send notifications if ServerNotifierThread is "
"used";
}
void ServerNotifierThread::OnInvalidate(
syncable::ModelType model_type,
const std::string& payload) {
DCHECK_EQ(MessageLoop::current(), worker_message_loop());
DCHECK_GE(model_type, syncable::FIRST_REAL_MODEL_TYPE);
DCHECK_LT(model_type, syncable::MODEL_TYPE_COUNT);
VLOG(1) << "OnInvalidate: " << syncable::ModelTypeToString(model_type);
syncable::ModelTypeBitSet model_types;
model_types[model_type] = true;
notifier::Notification notification;
notification.channel = model_types.to_string();
notification.data = payload;
observers_->Notify(&Observer::OnIncomingNotification, notification);
}
void ServerNotifierThread::OnInvalidateAll() {
DCHECK_EQ(MessageLoop::current(), worker_message_loop());
VLOG(1) << "OnInvalidateAll";
syncable::ModelTypeBitSet model_types;
model_types.set(); // InvalidateAll, so set all datatypes to true.
notifier::Notification notification;
notification.channel = model_types.to_string();
notification.data = std::string(); // No payload.
observers_->Notify(&Observer::OnIncomingNotification, notification);
}
void ServerNotifierThread::WriteState(const std::string& state) {
DCHECK_EQ(MessageLoop::current(), worker_message_loop());
VLOG(1) << "WriteState";
state_writers_->Notify(&StateWriter::WriteState, state);
}
void ServerNotifierThread::DoListenForUpdates() {
DCHECK_EQ(MessageLoop::current(), worker_message_loop());
if (!base_task_.get()) {
return;
}
if (chrome_invalidation_client_.get()) {
// If we already have an invalidation client, simply change the
// base task.
chrome_invalidation_client_->ChangeBaseTask(base_task_);
} else {
// Otherwise, create the invalidation client.
chrome_invalidation_client_.reset(new ChromeInvalidationClient());
// TODO(akalin): Make cache_guid() part of the client ID. If we do
// so and we somehow propagate it up to the server somehow, we can
// make it so that we won't receive any notifications that were
// generated from our own changes.
const std::string kClientId = "server_notifier_thread";
chrome_invalidation_client_->Start(
kClientId, client_info_, state_, this, this, base_task_);
RegisterTypes();
state_.clear();
}
}
void ServerNotifierThread::RegisterTypes() {
DCHECK_EQ(MessageLoop::current(), worker_message_loop());
if (!chrome_invalidation_client_.get()) {
return;
}
chrome_invalidation_client_->RegisterTypes(registered_types_);
}
void ServerNotifierThread::SignalSubscribed() {
observers_->Notify(&Observer::OnSubscriptionStateChange, true);
}
void ServerNotifierThread::StopInvalidationListener() {
DCHECK_EQ(MessageLoop::current(), worker_message_loop());
chrome_invalidation_client_.reset();
}
void ServerNotifierThread::SetRegisteredTypes(
const syncable::ModelTypeSet& types) {
registered_types_ = types;
}
} // namespace sync_notifier
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