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// Copyright 2016 The Weave 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 LIBWEAVE_SRC_ACCESS_REVOCATION_MANAGER_IMPL_H_
#define LIBWEAVE_SRC_ACCESS_REVOCATION_MANAGER_IMPL_H_
#include <set>
#include <utility>
#include <base/time/default_clock.h>
#include <base/time/time.h>
#include <weave/error.h>
#include <weave/provider/config_store.h>
#include "src/access_revocation_manager.h"
namespace weave {
class AccessRevocationManagerImpl : public AccessRevocationManager {
public:
explicit AccessRevocationManagerImpl(provider::ConfigStore* store,
size_t capacity = 1024,
base::Clock* clock = nullptr);
// AccessRevocationManager implementation.
void AddEntryAddedCallback(const base::Closure& callback) override;
void Block(const Entry& entry, const DoneCallback& callback) override;
bool IsBlocked(const std::vector<uint8_t>& user_id,
const std::vector<uint8_t>& app_id,
base::Time timestamp) const override;
std::vector<Entry> GetEntries() const override;
size_t GetSize() const override;
size_t GetCapacity() const override;
private:
void Load();
void Save(const DoneCallback& callback);
void Shrink();
struct EntryIdsLess {
bool operator()(const Entry& l, const Entry& r) const {
auto make_tuple = [](const AccessRevocationManager::Entry& e) {
return std::tie(e.user_id, e.app_id);
};
return make_tuple(l) < make_tuple(r);
}
};
const size_t capacity_{0};
base::DefaultClock default_clock_;
base::Clock* clock_{&default_clock_};
provider::ConfigStore* store_{nullptr};
std::set<Entry, EntryIdsLess> entries_;
std::vector<base::Closure> on_entry_added_callbacks_;
DISALLOW_COPY_AND_ASSIGN(AccessRevocationManagerImpl);
};
} // namespace weave
#endif // LIBWEAVE_SRC_ACCESS_REVOCATION_MANAGER_IMPL_H_
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