Implement new invalidations ack tracking system

sync/notifier/non_blocking_invalidator.cc

 // Copyright (c) 2012 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 "sync/notifier/non_blocking_invalidator.h"
 
 #include <cstddef>
 
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/thread.h"
 #include "jingle/notifier/listener/push_client.h"
 #include "sync/notifier/invalidation_notifier.h"
+#include "sync/notifier/object_id_invalidation_map.h"
 
 namespace syncer {
 
 class NonBlockingInvalidator::Core
     : public base::RefCountedThreadSafe<NonBlockingInvalidator::Core>,
       // InvalidationHandler to observe the InvalidationNotifier we create.
       public InvalidationHandler {
  public:
   // Called on parent thread.  |delegate_observer| should be
   // initialized.
   explicit Core(
       const WeakHandle<InvalidationHandler>& delegate_observer);
 
   // Helpers called on I/O thread.
   void Initialize(
       const notifier::NotifierOptions& notifier_options,
       const std::string& invalidator_client_id,
-      const InvalidationStateMap& initial_invalidation_state_map,
+      const UnackedInvalidationsMap& saved_invalidations,
       const std::string& invalidation_bootstrap_data,
       const WeakHandle<InvalidationStateTracker>& invalidation_state_tracker,
       const std::string& client_info);
   void Teardown();
   void UpdateRegisteredIds(const ObjectIdSet& ids);
-  void Acknowledge(const invalidation::ObjectId& id,
-                   const AckHandle& ack_handle);
   void UpdateCredentials(const std::string& email, const std::string& token);
 
   // InvalidationHandler implementation (all called on I/O thread by
   // InvalidationNotifier).
   virtual void OnInvalidatorStateChange(InvalidatorState reason) OVERRIDE;
   virtual void OnIncomingInvalidation(
       const ObjectIdInvalidationMap& invalidation_map) OVERRIDE;
 
  private:
   friend class
@@ skipping 14 matching lines @@
     : delegate_observer_(delegate_observer) {
   DCHECK(delegate_observer_.IsInitialized());
 }
 
 NonBlockingInvalidator::Core::~Core() {
 }
 
 void NonBlockingInvalidator::Core::Initialize(
     const notifier::NotifierOptions& notifier_options,
     const std::string& invalidator_client_id,
-    const InvalidationStateMap& initial_invalidation_state_map,
+    const UnackedInvalidationsMap& saved_invalidations,
     const std::string& invalidation_bootstrap_data,
     const WeakHandle<InvalidationStateTracker>& invalidation_state_tracker,
     const std::string& client_info) {
   DCHECK(notifier_options.request_context_getter.get());
   DCHECK_EQ(notifier::NOTIFICATION_SERVER,
             notifier_options.notification_method);
   network_task_runner_ = notifier_options.request_context_getter->
       GetNetworkTaskRunner();
   DCHECK(network_task_runner_->BelongsToCurrentThread());
   invalidation_notifier_.reset(
       new InvalidationNotifier(
           notifier::PushClient::CreateDefaultOnIOThread(notifier_options),
           invalidator_client_id,
-          initial_invalidation_state_map,
+          saved_invalidations,
           invalidation_bootstrap_data,
           invalidation_state_tracker,
           client_info));
   invalidation_notifier_->RegisterHandler(this);
 }
 
 void NonBlockingInvalidator::Core::Teardown() {
   DCHECK(network_task_runner_->BelongsToCurrentThread());
   invalidation_notifier_->UnregisterHandler(this);
   invalidation_notifier_.reset();
   network_task_runner_ = NULL;
 }
 
 void NonBlockingInvalidator::Core::UpdateRegisteredIds(const ObjectIdSet& ids) {
   DCHECK(network_task_runner_->BelongsToCurrentThread());
   invalidation_notifier_->UpdateRegisteredIds(this, ids);
 }
 
-void NonBlockingInvalidator::Core::Acknowledge(const invalidation::ObjectId& id,
-                                               const AckHandle& ack_handle) {
-  DCHECK(network_task_runner_->BelongsToCurrentThread());
-  invalidation_notifier_->Acknowledge(id, ack_handle);
-}
-
 void NonBlockingInvalidator::Core::UpdateCredentials(const std::string& email,
                                                      const std::string& token) {
   DCHECK(network_task_runner_->BelongsToCurrentThread());
   invalidation_notifier_->UpdateCredentials(email, token);
 }
 
 void NonBlockingInvalidator::Core::OnInvalidatorStateChange(
     InvalidatorState reason) {
   DCHECK(network_task_runner_->BelongsToCurrentThread());
   delegate_observer_.Call(
       FROM_HERE, &InvalidationHandler::OnInvalidatorStateChange, reason);
 }
 
 void NonBlockingInvalidator::Core::OnIncomingInvalidation(
     const ObjectIdInvalidationMap& invalidation_map) {
   DCHECK(network_task_runner_->BelongsToCurrentThread());
   delegate_observer_.Call(FROM_HERE,
                           &InvalidationHandler::OnIncomingInvalidation,
                           invalidation_map);
 }
 
 NonBlockingInvalidator::NonBlockingInvalidator(
     const notifier::NotifierOptions& notifier_options,
     const std::string& invalidator_client_id,
-    const InvalidationStateMap& initial_invalidation_state_map,
+    const UnackedInvalidationsMap& saved_invalidations,
     const std::string& invalidation_bootstrap_data,
     const WeakHandle<InvalidationStateTracker>&
         invalidation_state_tracker,
     const std::string& client_info)
     : parent_task_runner_(base::ThreadTaskRunnerHandle::Get()),
       network_task_runner_(
           notifier_options.request_context_getter->GetNetworkTaskRunner()),
       weak_ptr_factory_(this) {
   core_ = new Core(MakeWeakHandle(weak_ptr_factory_.GetWeakPtr()));
 
   if (!network_task_runner_->PostTask(
           FROM_HERE,
           base::Bind(
               &NonBlockingInvalidator::Core::Initialize,
               core_.get(),
               notifier_options,
               invalidator_client_id,
-              initial_invalidation_state_map,
+              saved_invalidations,
               invalidation_bootstrap_data,
               invalidation_state_tracker,
               client_info))) {
     NOTREACHED();
   }
 }
 
 NonBlockingInvalidator::~NonBlockingInvalidator() {
   DCHECK(parent_task_runner_->BelongsToCurrentThread());
   if (!network_task_runner_->PostTask(
@@ skipping 21 matching lines @@
               registrar_.GetAllRegisteredIds()))) {
     NOTREACHED();
   }
 }
 
 void NonBlockingInvalidator::UnregisterHandler(InvalidationHandler* handler) {
   DCHECK(parent_task_runner_->BelongsToCurrentThread());
   registrar_.UnregisterHandler(handler);
 }
 
-void NonBlockingInvalidator::Acknowledge(const invalidation::ObjectId& id,
-                                         const AckHandle& ack_handle) {
-  DCHECK(parent_task_runner_->BelongsToCurrentThread());
-  if (!network_task_runner_->PostTask(
-          FROM_HERE,
-          base::Bind(
-              &NonBlockingInvalidator::Core::Acknowledge,
-              core_.get(),
-              id,
-              ack_handle))) {
-    NOTREACHED();
-  }
-}
-
 InvalidatorState NonBlockingInvalidator::GetInvalidatorState() const {
   DCHECK(parent_task_runner_->BelongsToCurrentThread());
   return registrar_.GetInvalidatorState();
 }
 
 void NonBlockingInvalidator::UpdateCredentials(const std::string& email,
                                                const std::string& token) {
   DCHECK(parent_task_runner_->BelongsToCurrentThread());
   if (!network_task_runner_->PostTask(
           FROM_HERE,
           base::Bind(&NonBlockingInvalidator::Core::UpdateCredentials,
                      core_.get(), email, token))) {
     NOTREACHED();
   }
 }
 
 void NonBlockingInvalidator::OnInvalidatorStateChange(InvalidatorState state) {
   DCHECK(parent_task_runner_->BelongsToCurrentThread());
   registrar_.UpdateInvalidatorState(state);
 }
 
 void NonBlockingInvalidator::OnIncomingInvalidation(
         const ObjectIdInvalidationMap& invalidation_map) {
   DCHECK(parent_task_runner_->BelongsToCurrentThread());
   registrar_.DispatchInvalidationsToHandlers(invalidation_map);
 }
 
 }  // namespace syncer