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// Copyright (c) 2010 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/chrome_invalidation_client.h"
#include <string>
#include <vector>
#include "base/compiler_specific.h"
#include "base/logging.h"
#include "chrome/browser/sync/notifier/cache_invalidation_packet_handler.h"
#include "chrome/browser/sync/notifier/invalidation_util.h"
#include "chrome/browser/sync/notifier/registration_manager.h"
#include "chrome/browser/sync/syncable/model_type.h"
#include "google/cacheinvalidation/invalidation-client-impl.h"
namespace sync_notifier {
ChromeInvalidationClient::Listener::~Listener() {}
ChromeInvalidationClient::ChromeInvalidationClient()
: chrome_system_resources_(ALLOW_THIS_IN_INITIALIZER_LIST(this)),
scoped_callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)),
handle_outbound_packet_callback_(
scoped_callback_factory_.NewCallback(
&ChromeInvalidationClient::HandleOutboundPacket)),
listener_(NULL),
state_writer_(NULL) {
DCHECK(non_thread_safe_.CalledOnValidThread());
}
ChromeInvalidationClient::~ChromeInvalidationClient() {
DCHECK(non_thread_safe_.CalledOnValidThread());
Stop();
DCHECK(!listener_);
DCHECK(!state_writer_);
}
void ChromeInvalidationClient::Start(
const std::string& client_id, const std::string& client_info,
const std::string& state, Listener* listener,
StateWriter* state_writer, base::WeakPtr<talk_base::Task> base_task) {
DCHECK(non_thread_safe_.CalledOnValidThread());
Stop();
chrome_system_resources_.StartScheduler();
DCHECK(!listener_);
DCHECK(listener);
listener_ = listener;
DCHECK(!state_writer_);
DCHECK(state_writer);
state_writer_ = state_writer;
invalidation::ClientType client_type;
client_type.set_type(invalidation::ClientType::CHROME_SYNC);
// TODO(akalin): Use InvalidationClient::Create() once it supports
// taking a ClientConfig.
invalidation::ClientConfig client_config;
// Bump up limits so that we reduce the number of registration
// replies we get.
client_config.max_registrations_per_message = 20;
client_config.max_ops_per_message = 40;
invalidation_client_.reset(
new invalidation::InvalidationClientImpl(
&chrome_system_resources_, client_type, client_id, client_info,
client_config, this));
invalidation_client_->Start(state);
invalidation::NetworkEndpoint* network_endpoint =
invalidation_client_->network_endpoint();
CHECK(network_endpoint);
network_endpoint->RegisterOutboundListener(
handle_outbound_packet_callback_.get());
ChangeBaseTask(base_task);
registration_manager_.reset(
new RegistrationManager(invalidation_client_.get()));
}
void ChromeInvalidationClient::ChangeBaseTask(
base::WeakPtr<talk_base::Task> base_task) {
DCHECK(invalidation_client_.get());
DCHECK(base_task.get());
cache_invalidation_packet_handler_.reset(
new CacheInvalidationPacketHandler(base_task,
invalidation_client_.get()));
}
void ChromeInvalidationClient::Stop() {
DCHECK(non_thread_safe_.CalledOnValidThread());
if (!invalidation_client_.get()) {
DCHECK(!cache_invalidation_packet_handler_.get());
return;
}
chrome_system_resources_.StopScheduler();
registration_manager_.reset();
cache_invalidation_packet_handler_.reset();
invalidation_client_.reset();
state_writer_ = NULL;
listener_ = NULL;
}
void ChromeInvalidationClient::RegisterTypes(
const syncable::ModelTypeSet& types) {
DCHECK(non_thread_safe_.CalledOnValidThread());
registration_manager_->SetRegisteredTypes(types);
}
void ChromeInvalidationClient::Invalidate(
const invalidation::Invalidation& invalidation,
invalidation::Closure* callback) {
DCHECK(non_thread_safe_.CalledOnValidThread());
DCHECK(invalidation::IsCallbackRepeatable(callback));
VLOG(1) << "Invalidate: " << InvalidationToString(invalidation);
syncable::ModelType model_type;
if (ObjectIdToRealModelType(invalidation.object_id(), &model_type)) {
std::string payload;
// payload() CHECK()'s has_payload(), so we must check it ourselves first.
if (invalidation.has_payload())
payload = invalidation.payload();
listener_->OnInvalidate(model_type, payload);
} else {
LOG(WARNING) << "Could not get invalidation model type; "
<< "invalidating everything";
listener_->OnInvalidateAll();
}
RunAndDeleteClosure(callback);
}
void ChromeInvalidationClient::InvalidateAll(
invalidation::Closure* callback) {
DCHECK(non_thread_safe_.CalledOnValidThread());
DCHECK(invalidation::IsCallbackRepeatable(callback));
VLOG(1) << "InvalidateAll";
listener_->OnInvalidateAll();
RunAndDeleteClosure(callback);
}
void ChromeInvalidationClient::RegistrationStateChanged(
const invalidation::ObjectId& object_id,
invalidation::RegistrationState new_state,
const invalidation::UnknownHint& unknown_hint) {
DCHECK(non_thread_safe_.CalledOnValidThread());
VLOG(1) << "RegistrationStateChanged: "
<< ObjectIdToString(object_id) << " " << new_state;
if (new_state == invalidation::RegistrationState_UNKNOWN) {
VLOG(1) << "is_transient=" << unknown_hint.is_transient()
<< ", message=" << unknown_hint.message();
}
syncable::ModelType model_type;
if (!ObjectIdToRealModelType(object_id, &model_type)) {
LOG(WARNING) << "Could not get object id model type; ignoring";
return;
}
if (new_state != invalidation::RegistrationState_REGISTERED) {
// TODO(akalin): Figure out something else to do if the failure
// isn't transient. Even if it is transient, we may still want to
// add exponential back-off or limit the number of attempts.
registration_manager_->MarkRegistrationLost(model_type);
}
}
void ChromeInvalidationClient::AllRegistrationsLost(
invalidation::Closure* callback) {
DCHECK(non_thread_safe_.CalledOnValidThread());
DCHECK(invalidation::IsCallbackRepeatable(callback));
VLOG(1) << "AllRegistrationsLost";
registration_manager_->MarkAllRegistrationsLost();
RunAndDeleteClosure(callback);
}
void ChromeInvalidationClient::RegistrationLost(
const invalidation::ObjectId& object_id,
invalidation::Closure* callback) {
DCHECK(non_thread_safe_.CalledOnValidThread());
DCHECK(invalidation::IsCallbackRepeatable(callback));
VLOG(1) << "RegistrationLost: " << ObjectIdToString(object_id);
syncable::ModelType model_type;
if (ObjectIdToRealModelType(object_id, &model_type)) {
registration_manager_->MarkRegistrationLost(model_type);
} else {
LOG(WARNING) << "Could not get object id model type; ignoring";
}
RunAndDeleteClosure(callback);
}
void ChromeInvalidationClient::WriteState(const std::string& state) {
DCHECK(non_thread_safe_.CalledOnValidThread());
CHECK(state_writer_);
state_writer_->WriteState(state);
}
void ChromeInvalidationClient::HandleOutboundPacket(
invalidation::NetworkEndpoint* const& network_endpoint) {
DCHECK(non_thread_safe_.CalledOnValidThread());
CHECK(cache_invalidation_packet_handler_.get());
cache_invalidation_packet_handler_->
HandleOutboundPacket(network_endpoint);
}
} // namespace sync_notifier
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