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Unified Diff: content/browser/indexed_db/indexed_db_database.cc

Issue 2472213003: [IndexedDB] Refactoring to remove ref ptrs and host transaction ids. (Closed)
Patch Set: updated unittests Created 4 years, 1 month ago
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« content/browser/indexed_db/indexed_db_cursor.cc ('K') | « content/browser/indexed_db/indexed_db_database.h ('k') | content/browser/indexed_db/indexed_db_database_callbacks.h » ('j') | content/browser/indexed_db/indexed_db_database_unittest.cc » ('J')
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Index: content/browser/indexed_db/indexed_db_database.cc
diff --git a/content/browser/indexed_db/indexed_db_database.cc b/content/browser/indexed_db/indexed_db_database.cc
index 516dfc4f7760978c5da234e04ed9302b53ee9453..cbed6c7181ac45718631d81181c4ec4090dd45e5 100644
--- a/content/browser/indexed_db/indexed_db_database.cc
+++ b/content/browser/indexed_db/indexed_db_database.cc
@@ -97,7 +97,8 @@ class IndexedDBDatabase::ConnectionRequest {
virtual void OnConnectionClosed(IndexedDBConnection* connection) = 0;
// Called when the upgrade transaction has started executing.
- virtual void UpgradeTransactionStarted(int64_t old_version) = 0;
+ virtual void UpgradeTransactionStarted(int64_t old_version,
+ IndexedDBTransaction* transaction) = 0;
// Called when the upgrade transaction has finished.
virtual void UpgradeTransactionFinished(bool committed) = 0;
@@ -251,10 +252,11 @@ class IndexedDBDatabase::OpenRequest
}
// Called when the upgrade transaction has started executing.
- void UpgradeTransactionStarted(int64_t old_version) override {
+ void UpgradeTransactionStarted(int64_t old_version,
+ IndexedDBTransaction* transaction) override {
DCHECK(connection_);
pending_->callbacks->OnUpgradeNeeded(old_version, std::move(connection_),
- db_->metadata_,
+ transaction, db_->metadata_,
pending_->data_loss_info);
}
@@ -346,7 +348,10 @@ class IndexedDBDatabase::DeleteRequest
db_->RequestComplete(this);
}
- void UpgradeTransactionStarted(int64_t old_version) override { NOTREACHED(); }
+ void UpgradeTransactionStarted(int64_t old_version,
+ IndexedDBTransaction* transaction) override {
+ NOTREACHED();
+ }
void UpgradeTransactionFinished(bool committed) override { NOTREACHED(); }
@@ -468,7 +473,6 @@ leveldb::Status IndexedDBDatabase::OpenInternal() {
}
IndexedDBDatabase::~IndexedDBDatabase() {
- DCHECK(transactions_.empty());
DCHECK(!active_request_);
DCHECK(pending_requests_.empty());
}
@@ -481,20 +485,13 @@ std::unique_ptr<IndexedDBConnection> IndexedDBDatabase::CreateConnection(
scoped_refptr<IndexedDBDatabaseCallbacks> database_callbacks,
int child_process_id) {
std::unique_ptr<IndexedDBConnection> connection(
- base::MakeUnique<IndexedDBConnection>(this, database_callbacks));
+ base::MakeUnique<IndexedDBConnection>(child_process_id, this,
+ database_callbacks));
connections_.insert(connection.get());
backing_store_->GrantChildProcessPermissions(child_process_id);
return connection;
}
-IndexedDBTransaction* IndexedDBDatabase::GetTransaction(
- int64_t transaction_id) const {
- const auto& trans_iterator = transactions_.find(transaction_id);
- if (trans_iterator == transactions_.end())
- return NULL;
- return trans_iterator->second;
-}
-
bool IndexedDBDatabase::ValidateObjectStoreId(int64_t object_store_id) const {
if (!base::ContainsKey(metadata_.object_stores, object_store_id)) {
DLOG(ERROR) << "Invalid object_store_id";
@@ -546,15 +543,15 @@ bool IndexedDBDatabase::ValidateObjectStoreIdAndNewIndexId(
return true;
}
-void IndexedDBDatabase::CreateObjectStore(int64_t transaction_id,
+void IndexedDBDatabase::CreateObjectStore(IndexedDBTransaction* transaction,
int64_t object_store_id,
const base::string16& name,
const IndexedDBKeyPath& key_path,
bool auto_increment) {
- IDB_TRACE1("IndexedDBDatabase::CreateObjectStore", "txn.id", transaction_id);
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (!transaction)
return;
+ IDB_TRACE1("IndexedDBDatabase::CreateObjectStore", "txn.id",
+ transaction->id());
DCHECK_EQ(transaction->mode(), blink::WebIDBTransactionModeVersionChange);
if (base::ContainsKey(metadata_.object_stores, object_store_id)) {
@@ -602,12 +599,12 @@ void IndexedDBDatabase::CreateObjectStore(int64_t transaction_id,
object_store_id));
}
-void IndexedDBDatabase::DeleteObjectStore(int64_t transaction_id,
+void IndexedDBDatabase::DeleteObjectStore(IndexedDBTransaction* transaction,
int64_t object_store_id) {
- IDB_TRACE1("IndexedDBDatabase::DeleteObjectStore", "txn.id", transaction_id);
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (!transaction)
return;
+ IDB_TRACE1("IndexedDBDatabase::DeleteObjectStore", "txn.id",
+ transaction->id());
DCHECK_EQ(transaction->mode(), blink::WebIDBTransactionModeVersionChange);
if (!ValidateObjectStoreId(object_store_id))
@@ -619,13 +616,13 @@ void IndexedDBDatabase::DeleteObjectStore(int64_t transaction_id,
object_store_id));
}
-void IndexedDBDatabase::RenameObjectStore(int64_t transaction_id,
+void IndexedDBDatabase::RenameObjectStore(IndexedDBTransaction* transaction,
int64_t object_store_id,
const base::string16& new_name) {
- IDB_TRACE1("IndexedDBDatabase::RenameObjectStore", "txn.id", transaction_id);
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (!transaction)
return;
+ IDB_TRACE1("IndexedDBDatabase::RenameObjectStore", "txn.id",
+ transaction->id());
DCHECK_EQ(transaction->mode(), blink::WebIDBTransactionModeVersionChange);
if (!ValidateObjectStoreId(object_store_id))
@@ -661,17 +658,16 @@ void IndexedDBDatabase::RenameObjectStore(int64_t transaction_id,
SetObjectStoreName(object_store_id, new_name);
}
-void IndexedDBDatabase::CreateIndex(int64_t transaction_id,
+void IndexedDBDatabase::CreateIndex(IndexedDBTransaction* transaction,
int64_t object_store_id,
int64_t index_id,
const base::string16& name,
const IndexedDBKeyPath& key_path,
bool unique,
bool multi_entry) {
- IDB_TRACE1("IndexedDBDatabase::CreateIndex", "txn.id", transaction_id);
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (!transaction)
return;
+ IDB_TRACE1("IndexedDBDatabase::CreateIndex", "txn.id", transaction->id());
DCHECK_EQ(transaction->mode(), blink::WebIDBTransactionModeVersionChange);
if (!ValidateObjectStoreIdAndNewIndexId(object_store_id, index_id))
@@ -721,13 +717,12 @@ void IndexedDBDatabase::CreateIndexAbortOperation(
RemoveIndex(object_store_id, index_id);
}
-void IndexedDBDatabase::DeleteIndex(int64_t transaction_id,
+void IndexedDBDatabase::DeleteIndex(IndexedDBTransaction* transaction,
int64_t object_store_id,
int64_t index_id) {
- IDB_TRACE1("IndexedDBDatabase::DeleteIndex", "txn.id", transaction_id);
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (!transaction)
return;
+ IDB_TRACE1("IndexedDBDatabase::DeleteIndex", "txn.id", transaction->id());
DCHECK_EQ(transaction->mode(), blink::WebIDBTransactionModeVersionChange);
if (!ValidateObjectStoreIdAndIndexId(object_store_id, index_id))
@@ -784,14 +779,13 @@ void IndexedDBDatabase::DeleteIndexAbortOperation(
AddIndex(object_store_id, index_metadata, IndexedDBIndexMetadata::kInvalidId);
}
-void IndexedDBDatabase::RenameIndex(int64_t transaction_id,
+void IndexedDBDatabase::RenameIndex(IndexedDBTransaction* transaction,
int64_t object_store_id,
int64_t index_id,
const base::string16& new_name) {
- IDB_TRACE1("IndexedDBDatabase::RenameIndex", "txn.id", transaction_id);
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (!transaction)
return;
+ IDB_TRACE1("IndexedDBDatabase::RenameIndex", "txn.id", transaction->id());
DCHECK_EQ(transaction->mode(), blink::WebIDBTransactionModeVersionChange);
if (!ValidateObjectStoreIdAndIndexId(object_store_id, index_id))
@@ -838,12 +832,11 @@ void IndexedDBDatabase::RenameIndexAbortOperation(
SetIndexName(object_store_id, index_id, old_name);
}
-void IndexedDBDatabase::Commit(int64_t transaction_id) {
+void IndexedDBDatabase::Commit(IndexedDBTransaction* transaction) {
// The frontend suggests that we commit, but we may have previously initiated
// an abort, and so have disposed of the transaction. on_abort has already
// been dispatched to the frontend, so it will find out about that
// asynchronously.
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (transaction) {
scoped_refptr<IndexedDBFactory> factory = factory_;
leveldb::Status s = transaction->Commit();
@@ -855,46 +848,32 @@ void IndexedDBDatabase::Commit(int64_t transaction_id) {
}
}
-void IndexedDBDatabase::Abort(int64_t transaction_id) {
+void IndexedDBDatabase::Abort(IndexedDBTransaction* transaction) {
// If the transaction is unknown, then it has already been aborted by the
// backend before this call so it is safe to ignore it.
- IDB_TRACE1("IndexedDBDatabase::Abort", "txn.id", transaction_id);
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
+ IDB_TRACE1("IndexedDBDatabase::Abort", "txn.id", transaction->id());
if (transaction)
transaction->Abort();
}
-void IndexedDBDatabase::Abort(int64_t transaction_id,
+void IndexedDBDatabase::Abort(IndexedDBTransaction* transaction,
const IndexedDBDatabaseError& error) {
- IDB_TRACE1("IndexedDBDatabase::Abort(error)", "txn.id", transaction_id);
+ IDB_TRACE1("IndexedDBDatabase::Abort(error)", "txn.id", transaction->id());
// If the transaction is unknown, then it has already been aborted by the
// backend before this call so it is safe to ignore it.
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (transaction)
transaction->Abort(error);
}
void IndexedDBDatabase::AddPendingObserver(
- int64_t transaction_id,
+ IndexedDBTransaction* transaction,
int32_t observer_id,
const IndexedDBObserver::Options& options) {
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (!transaction)
return;
transaction->AddPendingObserver(observer_id, options);
}
-void IndexedDBDatabase::RemovePendingObservers(
- IndexedDBConnection* connection,
- const std::vector<int32_t>& pending_observer_ids) {
- for (const auto& it : transactions_) {
- // Avoid call to RemovePendingObservers for transactions on other
- // connections.
- if (it.second->connection() == connection)
- it.second->RemovePendingObservers(pending_observer_ids);
- }
-}
-
// TODO(palakj): Augment the function with IDBValue later. Issue
// crbug.com/609934.
void IndexedDBDatabase::FilterObservation(IndexedDBTransaction* transaction,
@@ -934,17 +913,16 @@ void IndexedDBDatabase::SendObservations(
}
}
-void IndexedDBDatabase::GetAll(int64_t transaction_id,
+void IndexedDBDatabase::GetAll(IndexedDBTransaction* transaction,
int64_t object_store_id,
int64_t index_id,
std::unique_ptr<IndexedDBKeyRange> key_range,
bool key_only,
int64_t max_count,
scoped_refptr<IndexedDBCallbacks> callbacks) {
- IDB_TRACE1("IndexedDBDatabase::GetAll", "txn.id", transaction_id);
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (!transaction)
return;
+ IDB_TRACE1("IndexedDBDatabase::GetAll", "txn.id", transaction->id());
if (!ValidateObjectStoreId(object_store_id))
return;
@@ -956,16 +934,15 @@ void IndexedDBDatabase::GetAll(int64_t transaction_id,
max_count, callbacks));
}
-void IndexedDBDatabase::Get(int64_t transaction_id,
+void IndexedDBDatabase::Get(IndexedDBTransaction* transaction,
int64_t object_store_id,
int64_t index_id,
std::unique_ptr<IndexedDBKeyRange> key_range,
bool key_only,
scoped_refptr<IndexedDBCallbacks> callbacks) {
- IDB_TRACE1("IndexedDBDatabase::Get", "txn.id", transaction_id);
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (!transaction)
return;
+ IDB_TRACE1("IndexedDBDatabase::Get", "txn.id", transaction->id());
if (!ValidateObjectStoreIdAndOptionalIndexId(object_store_id, index_id))
return;
@@ -1326,7 +1303,7 @@ struct IndexedDBDatabase::PutOperationParams {
};
void IndexedDBDatabase::Put(
- int64_t transaction_id,
+ IndexedDBTransaction* transaction,
int64_t object_store_id,
IndexedDBValue* value,
std::vector<std::unique_ptr<storage::BlobDataHandle>>* handles,
@@ -1334,10 +1311,9 @@ void IndexedDBDatabase::Put(
blink::WebIDBPutMode put_mode,
scoped_refptr<IndexedDBCallbacks> callbacks,
const std::vector<IndexKeys>& index_keys) {
- IDB_TRACE1("IndexedDBDatabase::Put", "txn.id", transaction_id);
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (!transaction)
return;
+ IDB_TRACE1("IndexedDBDatabase::Put", "txn.id", transaction->id());
DCHECK_NE(transaction->mode(), blink::WebIDBTransactionModeReadOnly);
if (!ValidateObjectStoreId(object_store_id))
@@ -1501,14 +1477,13 @@ void IndexedDBDatabase::PutOperation(std::unique_ptr<PutOperationParams> params,
IndexedDBKeyRange(*key));
}
-void IndexedDBDatabase::SetIndexKeys(int64_t transaction_id,
+void IndexedDBDatabase::SetIndexKeys(IndexedDBTransaction* transaction,
int64_t object_store_id,
std::unique_ptr<IndexedDBKey> primary_key,
const std::vector<IndexKeys>& index_keys) {
- IDB_TRACE1("IndexedDBDatabase::SetIndexKeys", "txn.id", transaction_id);
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (!transaction)
return;
+ IDB_TRACE1("IndexedDBDatabase::SetIndexKeys", "txn.id", transaction->id());
DCHECK_EQ(transaction->mode(), blink::WebIDBTransactionModeVersionChange);
// TODO(alecflett): This method could be asynchronous, but we need to
@@ -1573,10 +1548,9 @@ void IndexedDBDatabase::SetIndexKeys(int64_t transaction_id,
}
}
-void IndexedDBDatabase::SetIndexesReady(int64_t transaction_id,
+void IndexedDBDatabase::SetIndexesReady(IndexedDBTransaction* transaction,
int64_t,
const std::vector<int64_t>& index_ids) {
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (!transaction)
return;
DCHECK_EQ(transaction->mode(), blink::WebIDBTransactionModeVersionChange);
@@ -1610,7 +1584,7 @@ struct IndexedDBDatabase::OpenCursorOperationParams {
};
void IndexedDBDatabase::OpenCursor(
- int64_t transaction_id,
+ IndexedDBTransaction* transaction,
int64_t object_store_id,
int64_t index_id,
std::unique_ptr<IndexedDBKeyRange> key_range,
@@ -1618,10 +1592,9 @@ void IndexedDBDatabase::OpenCursor(
bool key_only,
blink::WebIDBTaskType task_type,
scoped_refptr<IndexedDBCallbacks> callbacks) {
- IDB_TRACE1("IndexedDBDatabase::OpenCursor", "txn.id", transaction_id);
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (!transaction)
return;
+ IDB_TRACE1("IndexedDBDatabase::OpenCursor", "txn.id", transaction->id());
if (!ValidateObjectStoreIdAndOptionalIndexId(object_store_id, index_id))
return;
@@ -1712,22 +1685,23 @@ void IndexedDBDatabase::OpenCursorOperation(
return;
}
- scoped_refptr<IndexedDBCursor> cursor =
- new IndexedDBCursor(std::move(backing_store_cursor), params->cursor_type,
- params->task_type, transaction);
- params->callbacks->OnSuccess(
- cursor, cursor->key(), cursor->primary_key(), cursor->Value());
+ std::unique_ptr<IndexedDBCursor> cursor = base::MakeUnique<IndexedDBCursor>(
+ std::move(backing_store_cursor), params->cursor_type, params->task_type,
+ transaction);
+ IndexedDBCursor* cursor_ptr = cursor.get();
+ transaction->RegisterOpenCursor(cursor_ptr);
+ params->callbacks->OnSuccess(std::move(cursor), cursor_ptr->key(),
+ cursor_ptr->primary_key(), cursor_ptr->Value());
}
-void IndexedDBDatabase::Count(int64_t transaction_id,
+void IndexedDBDatabase::Count(IndexedDBTransaction* transaction,
int64_t object_store_id,
int64_t index_id,
std::unique_ptr<IndexedDBKeyRange> key_range,
scoped_refptr<IndexedDBCallbacks> callbacks) {
- IDB_TRACE1("IndexedDBDatabase::Count", "txn.id", transaction_id);
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (!transaction)
return;
+ IDB_TRACE1("IndexedDBDatabase::Count", "txn.id", transaction->id());
if (!ValidateObjectStoreIdAndOptionalIndexId(object_store_id, index_id))
return;
@@ -1792,14 +1766,13 @@ void IndexedDBDatabase::CountOperation(
}
void IndexedDBDatabase::DeleteRange(
- int64_t transaction_id,
+ IndexedDBTransaction* transaction,
int64_t object_store_id,
std::unique_ptr<IndexedDBKeyRange> key_range,
scoped_refptr<IndexedDBCallbacks> callbacks) {
- IDB_TRACE1("IndexedDBDatabase::DeleteRange", "txn.id", transaction_id);
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (!transaction)
return;
+ IDB_TRACE1("IndexedDBDatabase::DeleteRange", "txn.id", transaction->id());
DCHECK_NE(transaction->mode(), blink::WebIDBTransactionModeReadOnly);
if (!ValidateObjectStoreId(object_store_id))
@@ -1839,13 +1812,12 @@ void IndexedDBDatabase::DeleteRangeOperation(
*key_range);
}
-void IndexedDBDatabase::Clear(int64_t transaction_id,
+void IndexedDBDatabase::Clear(IndexedDBTransaction* transaction,
int64_t object_store_id,
scoped_refptr<IndexedDBCallbacks> callbacks) {
- IDB_TRACE1("IndexedDBDatabase::Clear", "txn.id", transaction_id);
- IndexedDBTransaction* transaction = GetTransaction(transaction_id);
if (!transaction)
return;
+ IDB_TRACE1("IndexedDBDatabase::Clear", "txn.id", transaction->id());
DCHECK_NE(transaction->mode(), blink::WebIDBTransactionModeReadOnly);
if (!ValidateObjectStoreId(object_store_id))
@@ -1935,15 +1907,15 @@ void IndexedDBDatabase::VersionChangeOperation(
metadata_.version));
metadata_.version = version;
- active_request_->UpgradeTransactionStarted(old_version);
+ active_request_->UpgradeTransactionStarted(old_version, transaction);
}
void IndexedDBDatabase::TransactionFinished(IndexedDBTransaction* transaction,
bool committed) {
- IDB_TRACE1("IndexedDBTransaction::TransactionFinished", "txn.id", id());
- DCHECK(transactions_.find(transaction->id()) != transactions_.end());
- DCHECK_EQ(transactions_[transaction->id()], transaction);
- transactions_.erase(transaction->id());
+ IDB_TRACE1("IndexedDBTransaction::TransactionFinished", "txn.id",
+ transaction->id());
+ --transaction_count_;
+ DCHECK_LE(0, transaction_count_);
// This may be an unrelated transaction finishing while waiting for
// connections to close, or the actual upgrade transaction from an active
@@ -2006,27 +1978,22 @@ IndexedDBTransaction* IndexedDBDatabase::CreateTransaction(
blink::WebIDBTransactionMode mode) {
IDB_TRACE1("IndexedDBDatabase::CreateTransaction", "txn.id", transaction_id);
DCHECK(connections_.count(connection));
- DCHECK(transactions_.find(transaction_id) == transactions_.end());
- if (transactions_.find(transaction_id) != transactions_.end())
- return nullptr;
UMA_HISTOGRAM_COUNTS_1000(
"WebCore.IndexedDB.Database.OutstandingTransactionCount",
- transactions_.size());
-
- // The transaction will add itself to this database's coordinator, which
- // manages the lifetime of the object.
- IndexedDBTransaction* transaction =
- IndexedDBClassFactory::Get()->CreateIndexedDBTransaction(
- transaction_id, connection->GetWeakPtr(),
- std::set<int64_t>(object_store_ids.begin(), object_store_ids.end()),
- mode, new IndexedDBBackingStore::Transaction(backing_store_.get()));
+ transaction_count_);
+
+ IndexedDBTransaction* transaction = connection->CreateTransaction(
+ transaction_id,
+ std::set<int64_t>(object_store_ids.begin(), object_store_ids.end()), mode,
+ new IndexedDBBackingStore::Transaction(backing_store_.get()));
TransactionCreated(transaction);
return transaction;
}
void IndexedDBDatabase::TransactionCreated(IndexedDBTransaction* transaction) {
- transactions_[transaction->id()] = transaction;
+ transaction_count_++;
+ transaction_coordinator_.DidCreateTransaction(transaction);
}
void IndexedDBDatabase::OpenConnection(
@@ -2066,15 +2033,8 @@ void IndexedDBDatabase::Close(IndexedDBConnection* connection, bool forced) {
// happen if the close is requested by the connection itself as the
// front-end defers the close until all transactions are complete, but can
// occur on process termination or forced close.
- {
- auto transactions(transactions_);
- for (const auto& it : transactions) {
- if (it.second->callbacks() == connection->callbacks())
- it.second->Abort(
- IndexedDBDatabaseError(blink::WebIDBDatabaseExceptionUnknownError,
- "Connection is closing."));
- }
- }
+ connection->AbortAllTransactions(IndexedDBDatabaseError(
+ blink::WebIDBDatabaseExceptionUnknownError, "Connection is closing."));
// Abort transactions before removing the connection; aborting may complete
// an upgrade, and thus allow the next open/delete requests to proceed. The
@@ -2091,7 +2051,6 @@ void IndexedDBDatabase::Close(IndexedDBConnection* connection, bool forced) {
// If there are no more connections (current, active, or pending), tell the
// factory to clean us up.
if (connections_.empty() && !active_request_ && pending_requests_.empty()) {
- DCHECK(transactions_.empty());
backing_store_ = nullptr;
factory_->ReleaseDatabase(identifier_, forced);
}
« content/browser/indexed_db/indexed_db_cursor.cc ('K') | « content/browser/indexed_db/indexed_db_database.h ('k') | content/browser/indexed_db/indexed_db_database_callbacks.h » ('j') | content/browser/indexed_db/indexed_db_database_unittest.cc » ('J')

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