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__ 41
