BitTube.h revision 5cae0d0699a169e468fff3e21165f35db12f2cde 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_GUI_SENSOR_CHANNEL_H
18#define ANDROID_GUI_SENSOR_CHANNEL_H
19
20#include <stdint.h>
21#include <sys/types.h>
22
23#include <utils/Errors.h>
24#include <utils/RefBase.h>
25
26
27namespace android {
28// ----------------------------------------------------------------------------
29class Parcel;
30
31class BitTube : public RefBase
32{
33public:
34
35            BitTube();
36            BitTube(const Parcel& data);
37    virtual ~BitTube();
38
39    status_t initCheck() const;
40    int getFd() const;
41    ssize_t write(void const* vaddr, size_t size);
42    ssize_t read(void* vaddr, size_t size);
43
44    status_t writeToParcel(Parcel* reply) const;
45
46private:
47    int mSendFd;
48    mutable int mReceiveFd;
49};
50
51// ----------------------------------------------------------------------------
52}; // namespace android
53
54#endif // ANDROID_GUI_SENSOR_CHANNEL_H
55