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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/services/storage/shared_storage/shared_storage_options.h"
#include "base/bits.h"
#include "services/network/public/cpp/features.h"
#include "services/network/public/cpp/shared_storage_utils.h"
namespace storage {
namespace {
bool IsValidPageSize(int page_size) {
if (page_size < 512 || page_size > 65536)
return false;
return std::has_single_bit(static_cast<uint16_t>(page_size));
}
} // namespace
// static
std::unique_ptr<SharedStorageOptions> SharedStorageOptions::Create() {
return std::make_unique<SharedStorageOptions>(
network::features::kMaxSharedStoragePageSize.Get(),
network::features::kMaxSharedStorageCacheSize.Get(),
network::kMaxSharedStorageBytesPerOrigin,
network::features::kMaxSharedStorageInitTries.Get(),
network::features::kMaxSharedStorageIteratorBatchSize.Get(),
network::features::kSharedStorageBitBudget.Get(),
network::features::kSharedStorageBudgetInterval.Get(),
network::features::kSharedStorageStalePurgeInitialInterval.Get(),
network::features::kSharedStorageStalePurgeRecurringInterval.Get(),
network::features::kSharedStorageStalenessThreshold.Get());
}
SharedStorageOptions::SharedStorageOptions(
int max_page_size,
int max_cache_size,
int max_bytes_per_origin,
int max_init_tries,
int max_iterator_batch_size,
int bit_budget,
base::TimeDelta budget_interval,
base::TimeDelta stale_purge_initial_interval,
base::TimeDelta stale_purge_recurring_interval,
base::TimeDelta staleness_threshold)
: max_page_size(max_page_size),
max_cache_size(max_cache_size),
max_bytes_per_origin(max_bytes_per_origin),
max_init_tries(max_init_tries),
max_iterator_batch_size(max_iterator_batch_size),
bit_budget(bit_budget),
budget_interval(budget_interval),
stale_purge_initial_interval(stale_purge_initial_interval),
stale_purge_recurring_interval(stale_purge_recurring_interval),
staleness_threshold(staleness_threshold) {
DCHECK(IsValidPageSize(max_page_size));
DCHECK_GT(max_bytes_per_origin, 0);
DCHECK_GT(max_init_tries, 0);
DCHECK_GT(max_iterator_batch_size, 0);
DCHECK_GT(bit_budget, 0);
DCHECK(budget_interval.is_positive());
DCHECK(stale_purge_initial_interval.is_positive());
DCHECK(stale_purge_recurring_interval.is_positive());
DCHECK(staleness_threshold.is_positive());
}
std::unique_ptr<SharedStorageDatabaseOptions>
SharedStorageOptions::GetDatabaseOptions() {
return std::make_unique<SharedStorageDatabaseOptions>(
max_page_size, max_cache_size, max_bytes_per_origin, max_init_tries,
max_iterator_batch_size, bit_budget, budget_interval,
staleness_threshold);
}
SharedStorageDatabaseOptions::SharedStorageDatabaseOptions(
int max_page_size,
int max_cache_size,
int max_bytes_per_origin,
int max_init_tries,
int max_iterator_batch_size,
int bit_budget,
base::TimeDelta budget_interval,
base::TimeDelta staleness_threshold)
: max_page_size(max_page_size),
max_cache_size(max_cache_size),
max_bytes_per_origin(max_bytes_per_origin),
max_init_tries(max_init_tries),
max_iterator_batch_size(max_iterator_batch_size),
bit_budget(bit_budget),
budget_interval(budget_interval),
staleness_threshold(staleness_threshold) {
DCHECK(IsValidPageSize(max_page_size));
DCHECK_GT(max_bytes_per_origin, 0);
DCHECK_GT(max_init_tries, 0);
DCHECK_GT(max_iterator_batch_size, 0);
DCHECK_GT(bit_budget, 0);
DCHECK(budget_interval.is_positive());
DCHECK(staleness_threshold.is_positive());
}
} // namespace storage
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