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// Copyright 2015 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/policy/cloud/remote_commands_invalidator.h"
#include <string>
#include "base/logging.h"
#include "base/syslog_logging.h"
#include "components/invalidation/public/invalidation.h"
#include "components/invalidation/public/invalidation_service.h"
#include "components/invalidation/public/invalidation_util.h"
#include "components/invalidation/public/invalidator_state.h"
#include "components/invalidation/public/object_id_invalidation_map.h"
#include "components/invalidation/public/single_object_invalidation_set.h"
namespace policy {
RemoteCommandsInvalidator::RemoteCommandsInvalidator() {
}
RemoteCommandsInvalidator::~RemoteCommandsInvalidator() {
DCHECK_EQ(SHUT_DOWN, state_);
}
void RemoteCommandsInvalidator::Initialize(
invalidation::InvalidationService* invalidation_service) {
DCHECK_EQ(SHUT_DOWN, state_);
DCHECK(thread_checker_.CalledOnValidThread());
// TODO(hunyadym): Remove after crbug.com/582506 is fixed.
SYSLOG(INFO) << "Initialize RemoteCommandsInvalidator.";
DCHECK(invalidation_service);
invalidation_service_ = invalidation_service;
state_ = STOPPED;
OnInitialize();
}
void RemoteCommandsInvalidator::Shutdown() {
DCHECK_NE(SHUT_DOWN, state_);
DCHECK(thread_checker_.CalledOnValidThread());
// TODO(hunyadym): Remove after crbug.com/582506 is fixed.
SYSLOG(INFO) << "Shutdown RemoteCommandsInvalidator.";
Stop();
state_ = SHUT_DOWN;
OnShutdown();
}
void RemoteCommandsInvalidator::Start() {
DCHECK_EQ(STOPPED, state_);
DCHECK(thread_checker_.CalledOnValidThread());
// TODO(hunyadym): Remove after crbug.com/582506 is fixed.
SYSLOG(INFO) << "Starting RemoteCommandsInvalidator.";
state_ = STARTED;
OnStart();
}
void RemoteCommandsInvalidator::Stop() {
DCHECK_NE(SHUT_DOWN, state_);
DCHECK(thread_checker_.CalledOnValidThread());
// TODO(hunyadym): Remove after crbug.com/582506 is fixed.
SYSLOG(INFO) << "Stopping RemoteCommandsInvalidator.";
if (state_ == STARTED) {
Unregister();
state_ = STOPPED;
OnStop();
}
}
void RemoteCommandsInvalidator::OnInvalidatorStateChange(
syncer::InvalidatorState state) {
DCHECK_EQ(STARTED, state_);
DCHECK(thread_checker_.CalledOnValidThread());
// TODO(hunyadym): Remove after crbug.com/582506 is fixed.
SYSLOG(INFO) << "RemoteCommandsInvalidator state changed: " << state;
invalidation_service_enabled_ = state == syncer::INVALIDATIONS_ENABLED;
UpdateInvalidationsEnabled();
}
void RemoteCommandsInvalidator::OnIncomingInvalidation(
const syncer::ObjectIdInvalidationMap& invalidation_map) {
DCHECK_EQ(STARTED, state_);
DCHECK(thread_checker_.CalledOnValidThread());
// TODO(hunyadym): Remove after crbug.com/582506 is fixed.
SYSLOG(INFO) << "RemoteCommandsInvalidator received invalidation.";
if (!invalidation_service_enabled_)
LOG(WARNING) << "Unexpected invalidation received.";
const syncer::SingleObjectInvalidationSet& list =
invalidation_map.ForObject(object_id_);
if (list.IsEmpty()) {
NOTREACHED();
return;
}
// Acknowledge all invalidations.
for (const auto& it : list)
it.Acknowledge();
// TODO(hunyadym): Remove after crbug.com/582506 is fixed.
SYSLOG(INFO) << "Invalidations acknowledged.";
DoRemoteCommandsFetch();
}
std::string RemoteCommandsInvalidator::GetOwnerName() const {
return "RemoteCommands";
}
void RemoteCommandsInvalidator::ReloadPolicyData(
const enterprise_management::PolicyData* policy) {
DCHECK(thread_checker_.CalledOnValidThread());
// TODO(hunyadym): Remove after crbug.com/582506 is fixed.
SYSLOG(INFO) << "RemoteCommandsInvalidator ReloadPolicyData.";
if (state_ != STARTED)
return;
// Create the ObjectId based on the policy data.
// If the policy does not specify an the ObjectId, then unregister.
if (!policy || !policy->has_command_invalidation_source() ||
!policy->has_command_invalidation_name()) {
Unregister();
return;
}
const invalidation::ObjectId object_id(policy->command_invalidation_source(),
policy->command_invalidation_name());
// If the policy object id in the policy data is different from the currently
// registered object id, update the object registration.
if (!is_registered_ || !(object_id == object_id_))
Register(object_id);
}
void RemoteCommandsInvalidator::Register(
const invalidation::ObjectId& object_id) {
// TODO(hunyadym): Remove after crbug.com/582506 is fixed.
SYSLOG(INFO) << "Register RemoteCommandsInvalidator.";
// Register this handler with the invalidation service if needed.
if (!is_registered_) {
OnInvalidatorStateChange(invalidation_service_->GetInvalidatorState());
invalidation_service_->RegisterInvalidationHandler(this);
is_registered_ = true;
}
object_id_ = object_id;
UpdateInvalidationsEnabled();
// Update registration with the invalidation service.
syncer::ObjectIdSet ids;
ids.insert(object_id);
CHECK(invalidation_service_->UpdateRegisteredInvalidationIds(this, ids));
}
void RemoteCommandsInvalidator::Unregister() {
// TODO(hunyadym): Remove after crbug.com/582506 is fixed.
SYSLOG(INFO) << "Unregister RemoteCommandsInvalidator.";
if (is_registered_) {
CHECK(invalidation_service_->UpdateRegisteredInvalidationIds(
this, syncer::ObjectIdSet()));
invalidation_service_->UnregisterInvalidationHandler(this);
is_registered_ = false;
UpdateInvalidationsEnabled();
}
}
void RemoteCommandsInvalidator::UpdateInvalidationsEnabled() {
invalidations_enabled_ = invalidation_service_enabled_ && is_registered_;
}
} // namespace policy
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