147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org/* 247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * Copyright 2004 The WebRTC Project Authors. All rights reserved. 347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * 447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * Use of this source code is governed by a BSD-style license 547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * that can be found in the LICENSE file in the root of the source 647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * tree. An additional intellectual property rights grant can be found 747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * in the file PATENTS. All contributing project authors may 847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * be found in the AUTHORS file in the root of the source tree. 947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org */ 1047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 1147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#ifndef WEBRTC_BASE_ASYNCFILE_H__ 1247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#define WEBRTC_BASE_ASYNCFILE_H__ 1347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 1447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#include "webrtc/base/sigslot.h" 1547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 1647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.orgnamespace rtc { 1747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 1847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org// Provides the ability to perform file I/O asynchronously. 1947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org// TODO: Create a common base class with AsyncSocket. 2047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.orgclass AsyncFile { 2147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org public: 2247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org AsyncFile(); 2347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org virtual ~AsyncFile(); 2447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 2547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org // Determines whether the file will receive read events. 2647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org virtual bool readable() = 0; 2747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org virtual void set_readable(bool value) = 0; 2847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 2947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org // Determines whether the file will receive write events. 3047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org virtual bool writable() = 0; 3147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org virtual void set_writable(bool value) = 0; 3247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 3347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org sigslot::signal1<AsyncFile*> SignalReadEvent; 3447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org sigslot::signal1<AsyncFile*> SignalWriteEvent; 3547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org sigslot::signal2<AsyncFile*, int> SignalCloseEvent; 3647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org}; 3747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 3847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org} // namespace rtc 3947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 4047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#endif // WEBRTC_BASE_ASYNCFILE_H__ 41