Port messages sent by WebIDBDatabaseImpl to Mojo.

content/browser/indexed_db/indexed_db_dispatcher_host.h

 // 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.
 
 #ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_
 
 #include <stdint.h>
 
 #include <map>
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/id_map.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
 #include "content/browser/blob_storage/chrome_blob_storage_context.h"
 #include "content/common/indexed_db/indexed_db.mojom.h"
 #include "content/public/browser/browser_associated_interface.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "storage/browser/blob/blob_data_handle.h"
-#include "storage/browser/quota/quota_manager.h"
-#include "storage/common/quota/quota_status_code.h"
 #include "url/gurl.h"
 
-struct IndexedDBDatabaseMetadata;
-struct IndexedDBHostMsg_DatabaseCount_Params;
-struct IndexedDBHostMsg_DatabaseCreateIndex_Params;
-struct IndexedDBHostMsg_DatabaseCreateObjectStore_Params;
-struct IndexedDBHostMsg_DatabaseCreateTransaction_Params;
-struct IndexedDBHostMsg_DatabaseDeleteRange_Params;
-struct IndexedDBHostMsg_DatabaseGet_Params;
-struct IndexedDBHostMsg_DatabaseGetAll_Params;
 struct IndexedDBHostMsg_DatabaseObserve_Params;
-struct IndexedDBHostMsg_DatabaseOpenCursor_Params;
-struct IndexedDBHostMsg_DatabasePut_Params;
-struct IndexedDBHostMsg_DatabaseSetIndexKeys_Params;
-struct IndexedDBHostMsg_FactoryDeleteDatabase_Params;
-struct IndexedDBHostMsg_FactoryGetDatabaseNames_Params;
-struct IndexedDBHostMsg_FactoryOpen_Params;
 struct IndexedDBMsg_Observation;
 struct IndexedDBMsg_ObserverChanges;
 
 namespace url {
 class Origin;
 }
 
 namespace content {
 class IndexedDBBlobInfo;
 class IndexedDBCallbacks;
 class IndexedDBConnection;
 class IndexedDBContextImpl;
 class IndexedDBCursor;
 class IndexedDBDatabaseCallbacks;
 class IndexedDBKey;
-class IndexedDBKeyPath;
-class IndexedDBKeyRange;
 class IndexedDBObservation;
 class IndexedDBObserverChanges;
-struct IndexedDBDatabaseMetadata;
 
 // Handles all IndexedDB related messages from a particular renderer process.
 class IndexedDBDispatcherHost
     : public BrowserMessageFilter,
       public BrowserAssociatedInterface<::indexed_db::mojom::Factory>,
       public ::indexed_db::mojom::Factory {
  public:
   // Only call the constructor from the UI thread.
   IndexedDBDispatcherHost(int ipc_process_id,
                           net::URLRequestContextGetter* request_context_getter,
@@ skipping 12 matching lines @@
       const IPC::Message& message) override;
   bool OnMessageReceived(const IPC::Message& message) override;
 
   void FinishTransaction(int64_t host_transaction_id, bool committed);
 
   // A shortcut for accessing our context.
   IndexedDBContextImpl* context() const { return indexed_db_context_.get(); }
   storage::BlobStorageContext* blob_storage_context() const {
     return blob_storage_context_->context();
   }
+  int ipc_process_id() { return ipc_process_id_; }

[cmumford, 2016/10/28 18:40:53]

const

[Reilly Grant (use Gerrit), 2016/11/03 21:32:21]

Done.

 
   // IndexedDBCallbacks call these methods to add the results into the
   // applicable map.  See below for more details.
   int32_t Add(IndexedDBCursor* cursor);
-  int32_t Add(IndexedDBConnection* connection,
-              const url::Origin& origin);
 
-  void RegisterTransactionId(int64_t host_transaction_id,
+  bool RegisterTransactionId(int64_t host_transaction_id,
                              const url::Origin& origin);
+  bool GetTransactionSize(int64_t host_transaction_id,
+                          int64_t* transaction_size);
+  void AddToTransaction(int64_t host_transaction_id, int64_t value_length);
 
   IndexedDBCursor* GetCursorFromId(int32_t ipc_cursor_id);
 
   // These are called to map a 32-bit front-end (renderer-specific) transaction
   // id to and from a back-end ("host") transaction id that encodes the process
   // id in the high 32 bits. The mapping is host-specific and ids are validated.
   int64_t HostTransactionId(int64_t transaction_id);
   int64_t RendererTransactionId(int64_t host_transaction_id);
 
   // These are called to decode a host transaction ID, for diagnostic purposes.
   static uint32_t TransactionIdToRendererTransactionId(
       int64_t host_transaction_id);
   static uint32_t TransactionIdToProcessId(int64_t host_transaction_id);
 
   std::string HoldBlobData(const IndexedDBBlobInfo& blob_info);
+  void DropBlobData(const std::string& uuid);
 
   // True if the channel is closing/closed and outstanding requests
   // can be abandoned. Only access on IndexedDB thread.
   bool IsOpen() const;
 
  private:
   // Friends to enable OnDestruct() delegation.
   friend class BrowserThread;
   friend class base::DeleteHelper<IndexedDBDispatcherHost>;
 
   // Used in nested classes.
   typedef std::map<int64_t, int64_t> TransactionIDToDatabaseIDMap;
   typedef std::map<int64_t, uint64_t> TransactionIDToSizeMap;
   typedef std::map<int64_t, url::Origin> TransactionIDToOriginMap;
-  typedef std::map<int32_t, url::Origin> WebIDBObjectIDToOriginMap;
 
   // IDMap for RefCounted types
   template <typename RefCountedType>
   class RefIDMap {
    public:
     typedef int32_t KeyType;
 
     RefIDMap() {}
     ~RefIDMap() {}
 
@@ skipping 13 matching lines @@
     void set_check_on_null_data(bool value) {
       map_.set_check_on_null_data(value);
     }
 
    private:
     IDMap<scoped_refptr<RefCountedType>, IDMapOwnPointer> map_;
 
     DISALLOW_COPY_AND_ASSIGN(RefIDMap);
   };
 
-  class DatabaseDispatcherHost {
-   public:
-    explicit DatabaseDispatcherHost(IndexedDBDispatcherHost* parent);
-    ~DatabaseDispatcherHost();
-
-    void CloseAll();
-    bool OnMessageReceived(const IPC::Message& message);
-
-    void OnCreateObjectStore(
-        const IndexedDBHostMsg_DatabaseCreateObjectStore_Params& params);
-    void OnDeleteObjectStore(int32_t ipc_database_id,
-                             int64_t transaction_id,
-                             int64_t object_store_id);
-    void OnRenameObjectStore(int32_t ipc_database_id,
-                             int64_t transaction_id,
-                             int64_t object_store_id,
-                             const base::string16& new_name);
-    void OnCreateTransaction(
-        const IndexedDBHostMsg_DatabaseCreateTransaction_Params&);
-    void OnClose(int32_t ipc_database_id);
-    void OnVersionChangeIgnored(int32_t ipc_database_id);
-    void OnDestroyed(int32_t ipc_database_id);
-
-    void OnObserve(const IndexedDBHostMsg_DatabaseObserve_Params&);
-    void OnUnobserve(int32_t ipc_database_id,
-                     const std::vector<int32_t>& observer_ids_to_remove);
-
-    void OnGet(const IndexedDBHostMsg_DatabaseGet_Params& params);
-    void OnGetAll(const IndexedDBHostMsg_DatabaseGetAll_Params& params);
-    // OnPutWrapper starts on the IO thread so that it can grab BlobDataHandles
-    // before posting to the IDB TaskRunner for the rest of the job.
-    void OnPutWrapper(const IndexedDBHostMsg_DatabasePut_Params& params);
-    void OnPut(const IndexedDBHostMsg_DatabasePut_Params& params,
-               std::vector<std::unique_ptr<storage::BlobDataHandle>> handles);
-    void OnSetIndexKeys(
-        const IndexedDBHostMsg_DatabaseSetIndexKeys_Params& params);
-    void OnSetIndexesReady(int32_t ipc_database_id,
-                           int64_t transaction_id,
-                           int64_t object_store_id,
-                           const std::vector<int64_t>& ids);
-    void OnOpenCursor(const IndexedDBHostMsg_DatabaseOpenCursor_Params& params);
-    void OnCount(const IndexedDBHostMsg_DatabaseCount_Params& params);
-    void OnDeleteRange(
-        const IndexedDBHostMsg_DatabaseDeleteRange_Params& params);
-    void OnClear(int32_t ipc_thread_id,
-                 int32_t ipc_callbacks_id,
-                 int32_t ipc_database_id,
-                 int64_t transaction_id,
-                 int64_t object_store_id);
-    void OnCreateIndex(
-        const IndexedDBHostMsg_DatabaseCreateIndex_Params& params);
-    void OnDeleteIndex(int32_t ipc_database_id,
-                       int64_t transaction_id,
-                       int64_t object_store_id,
-                       int64_t index_id);
-    void OnRenameIndex(int32_t ipc_database_id,
-                       int64_t transaction_id,
-                       int64_t object_store_id,
-                       int64_t index_id,
-                       const base::string16& new_name);
-
-    void OnAbort(int32_t ipc_database_id, int64_t transaction_id);
-    void OnCommit(int32_t ipc_database_id, int64_t transaction_id);
-    void OnGotUsageAndQuotaForCommit(int32_t ipc_database_id,
-                                     int64_t transaction_id,
-                                     storage::QuotaStatusCode status,
-                                     int64_t usage,
-                                     int64_t quota);
-
-    IndexedDBDispatcherHost* parent_;
-    IDMap<IndexedDBConnection, IDMapOwnPointer> map_;
-    WebIDBObjectIDToOriginMap database_origin_map_;
-    TransactionIDToSizeMap transaction_size_map_;
-    TransactionIDToOriginMap transaction_origin_map_;
-    TransactionIDToDatabaseIDMap transaction_database_map_;
-
-    // Weak pointers are used when an asynchronous quota request is made, in
-    // case the dispatcher is torn down before the response returns.
-    base::WeakPtrFactory<DatabaseDispatcherHost> weak_factory_;
-
-   private:
-    DISALLOW_COPY_AND_ASSIGN(DatabaseDispatcherHost);
-  };
-
   class CursorDispatcherHost {
    public:
     explicit CursorDispatcherHost(IndexedDBDispatcherHost* parent);
     ~CursorDispatcherHost();
 
     bool OnMessageReceived(const IPC::Message& message);
 
     void OnAdvance(int32_t ipc_object_store_id,
                    int32_t ipc_thread_id,
                    int32_t ipc_callbacks_id,
@@ skipping 16 matching lines @@
     RefIDMap<IndexedDBCursor> map_;
 
    private:
     DISALLOW_COPY_AND_ASSIGN(CursorDispatcherHost);
   };
 
   ~IndexedDBDispatcherHost() override;
 
   // Helper templates.
   template <class ReturnType>
-  ReturnType* GetOrTerminateProcess(IDMap<ReturnType, IDMapOwnPointer>* map,
-                                    int32_t ipc_return_object_id);
-  template <class ReturnType>
   ReturnType* GetOrTerminateProcess(RefIDMap<ReturnType>* map,
                                     int32_t ipc_return_object_id);
 
   template <typename MapType>
   void DestroyObject(MapType* map, int32_t ipc_object_id);
 
   // indexed_db::mojom::Factory implementation:
   void GetDatabaseNames(
       ::indexed_db::mojom::CallbacksAssociatedPtrInfo callbacks_info,
       const url::Origin& origin) override;
@@ skipping 19 matching lines @@
       const base::string16& name,
       int64_t version,
       int64_t transaction_id);
   void DeleteDatabaseOnIDBThread(scoped_refptr<IndexedDBCallbacks> callbacks,
                                  const url::Origin& origin,
                                  const base::string16& name);
 
   // Message processing. Most of the work is delegated to the dispatcher hosts
   // below.
   void OnAckReceivedBlobs(const std::vector<std::string>& uuids);
-  void OnPutHelper(
-      const IndexedDBHostMsg_DatabasePut_Params& params,
-      std::vector<std::unique_ptr<storage::BlobDataHandle>> handles);
 
   void ResetDispatcherHosts();
-  void DropBlobData(const std::string& uuid);
 
   scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
   scoped_refptr<IndexedDBContextImpl> indexed_db_context_;
   scoped_refptr<ChromeBlobStorageContext> blob_storage_context_;
 
   // Maps blob uuid to a pair (handle, ref count). Entry is added and/or count
   // is incremented in HoldBlobData(), and count is decremented and/or entry
   // removed in DropBlobData().
   std::map<std::string,
            std::pair<std::unique_ptr<storage::BlobDataHandle>, int>>
       blob_data_handle_map_;
 
   // Only access on IndexedDB thread.
   bool is_open_ = true;
-  std::unique_ptr<DatabaseDispatcherHost> database_dispatcher_host_;
+  TransactionIDToSizeMap transaction_size_map_;
+  TransactionIDToOriginMap transaction_origin_map_;
   std::unique_ptr<CursorDispatcherHost> cursor_dispatcher_host_;
 
   // Used to set file permissions for blob storage.
   int ipc_process_id_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(IndexedDBDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_