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// Copyright 2014 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.
#ifndef GOOGLE_APIS_GCM_ENGINE_GCM_STORE_H_
#define GOOGLE_APIS_GCM_ENGINE_GCM_STORE_H_
#include <map>
#include <set>
#include <string>
#include <vector>
#include <google/protobuf/message_lite.h>
#include "base/basictypes.h"
#include "base/callback_forward.h"
#include "base/memory/linked_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/time/time.h"
#include "google_apis/gcm/base/gcm_export.h"
#include "google_apis/gcm/engine/registration_info.h"
namespace gcm {
class MCSMessage;
// A GCM data store interface. GCM Store will handle persistence portion of RMQ,
// as well as store device and user checkin information.
class GCM_EXPORT GCMStore {
public:
// Map of message id to message data for outgoing messages.
typedef std::map<std::string, linked_ptr<google::protobuf::MessageLite> >
OutgoingMessageMap;
// Container for Load(..) results.
struct GCM_EXPORT LoadResult {
LoadResult();
~LoadResult();
bool success;
uint64 device_android_id;
uint64 device_security_token;
RegistrationInfoMap registrations;
std::vector<std::string> incoming_messages;
OutgoingMessageMap outgoing_messages;
std::map<std::string, std::string> gservices_settings;
std::string gservices_digest;
base::Time last_checkin_time;
std::set<std::string> last_checkin_accounts;
};
typedef std::vector<std::string> PersistentIdList;
typedef base::Callback<void(scoped_ptr<LoadResult> result)> LoadCallback;
typedef base::Callback<void(bool success)> UpdateCallback;
GCMStore();
virtual ~GCMStore();
// Load the data from persistent store and pass the initial state back to
// caller.
virtual void Load(const LoadCallback& callback) = 0;
// Close the persistent store.
virtual void Close() = 0;
// Clears the GCM store of all data.
virtual void Destroy(const UpdateCallback& callback) = 0;
// Sets this device's messaging credentials.
virtual void SetDeviceCredentials(uint64 device_android_id,
uint64 device_security_token,
const UpdateCallback& callback) = 0;
// Registration info.
virtual void AddRegistration(const std::string& app_id,
const linked_ptr<RegistrationInfo>& registration,
const UpdateCallback& callback) = 0;
virtual void RemoveRegistration(const std::string& app_id,
const UpdateCallback& callback) = 0;
// Unacknowledged incoming message handling.
virtual void AddIncomingMessage(const std::string& persistent_id,
const UpdateCallback& callback) = 0;
virtual void RemoveIncomingMessage(const std::string& persistent_id,
const UpdateCallback& callback) = 0;
virtual void RemoveIncomingMessages(const PersistentIdList& persistent_ids,
const UpdateCallback& callback) = 0;
// Unacknowledged outgoing messages handling.
// Returns false if app has surpassed message limits, else returns true. Note
// that the message isn't persisted until |callback| is invoked with
// |success| == true.
virtual bool AddOutgoingMessage(const std::string& persistent_id,
const MCSMessage& message,
const UpdateCallback& callback) = 0;
virtual void OverwriteOutgoingMessage(const std::string& persistent_id,
const MCSMessage& message,
const UpdateCallback& callback) = 0;
virtual void RemoveOutgoingMessage(const std::string& persistent_id,
const UpdateCallback& callback) = 0;
virtual void RemoveOutgoingMessages(const PersistentIdList& persistent_ids,
const UpdateCallback& callback) = 0;
// Sets last device's checkin time.
virtual void SetLastCheckinInfo(const base::Time& time,
const std::set<std::string>& accounts,
const UpdateCallback& callback) = 0;
// G-service settings handling.
// Persists |settings| and |settings_digest|. It completely replaces the
// existing data.
virtual void SetGServicesSettings(
const std::map<std::string, std::string>& settings,
const std::string& settings_digest,
const UpdateCallback& callback) = 0;
private:
DISALLOW_COPY_AND_ASSIGN(GCMStore);
};
} // namespace gcm
#endif // GOOGLE_APIS_GCM_ENGINE_GCM_STORE_H_
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