| // Copyright 2018 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_DEVTOOLS_DEVTOOLS_STREAM_PIPE_H_ |
| #define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_STREAM_PIPE_H_ |
| |
| #include "base/callback.h" |
| #include "base/containers/queue.h" |
| #include "base/memory/scoped_refptr.h" |
| #include "content/browser/devtools/devtools_io_context.h" |
| #include "mojo/public/cpp/system/data_pipe.h" |
| #include "mojo/public/cpp/system/simple_watcher.h" |
| |
| #include <memory> |
| |
| namespace content { |
| |
| class DevToolsStreamPipe : public DevToolsIOContext::Stream { |
| public: |
| static scoped_refptr<DevToolsStreamPipe> Create( |
| DevToolsIOContext* context, |
| mojo::ScopedDataPipeConsumerHandle pipe, |
| bool is_binary); |
| const std::string& handle() const { return handle_; } |
| |
| private: |
| struct ReadRequest; |
| |
| DevToolsStreamPipe(DevToolsIOContext* context, |
| mojo::ScopedDataPipeConsumerHandle pipe, |
| bool is_binary); |
| ~DevToolsStreamPipe() override; |
| |
| bool SupportsSeek() const override; |
| void Read(off_t position, size_t max_size, ReadCallback callback) override; |
| |
| void OnPipeSignalled(MojoResult result, |
| const mojo::HandleSignalsState& state); |
| void DispatchResponse(); |
| void DispatchEOFOrError(bool is_eof); |
| |
| const std::string handle_; |
| const mojo::ScopedDataPipeConsumerHandle pipe_; |
| const bool is_binary_; |
| |
| mojo::SimpleWatcher pipe_watcher_; |
| base::queue<ReadRequest> read_requests_; |
| std::string buffer_; |
| Status last_status_; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_STREAM_PIPE_H_ |