henrike@webrtc.org | 47be73b | 2014-05-13 18:00:26 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2004 The WebRTC Project Authors. All rights reserved. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
| 11 | #ifndef WEBRTC_BASE_ASYNCFILE_H__ |
| 12 | #define WEBRTC_BASE_ASYNCFILE_H__ |
| 13 | |
| 14 | #include "webrtc/base/sigslot.h" |
| 15 | |
| 16 | namespace rtc { |
| 17 | |
| 18 | // Provides the ability to perform file I/O asynchronously. |
| 19 | // TODO: Create a common base class with AsyncSocket. |
| 20 | class AsyncFile { |
| 21 | public: |
| 22 | AsyncFile(); |
| 23 | virtual ~AsyncFile(); |
| 24 | |
| 25 | // Determines whether the file will receive read events. |
| 26 | virtual bool readable() = 0; |
| 27 | virtual void set_readable(bool value) = 0; |
| 28 | |
| 29 | // Determines whether the file will receive write events. |
| 30 | virtual bool writable() = 0; |
| 31 | virtual void set_writable(bool value) = 0; |
| 32 | |
| 33 | sigslot::signal1<AsyncFile*> SignalReadEvent; |
| 34 | sigslot::signal1<AsyncFile*> SignalWriteEvent; |
| 35 | sigslot::signal2<AsyncFile*, int> SignalCloseEvent; |
| 36 | }; |
| 37 | |
| 38 | } // namespace rtc |
| 39 | |
| 40 | #endif // WEBRTC_BASE_ASYNCFILE_H__ |