1 /*
2  * Copyright (C) 2020 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 #pragma once
18 #include <future>
19 #include <mutex>
20 #include <thread>
21 
22 #include <android-base/unique_fd.h>
23 
24 #include <aidl/android/hardware/gnss/IGnssCallback.h>
25 
26 #include "IDataSink.h"
27 
28 namespace aidl {
29 namespace android {
30 namespace hardware {
31 namespace gnss {
32 namespace implementation {
33 
34 using ::android::base::unique_fd;
35 
36 class GnssHwConn {
37 public:
38     GnssHwConn(IDataSink&);
39     ~GnssHwConn();
40 
41     bool ok() const;
42 
43 private:
44     bool sendWorkerThreadCommand(char cmd) const;
45 
46     unique_fd mDevFd;      // Goldfish GPS QEMU device
47     unique_fd mCallersFd;  // a channel to talk to the thread
48     std::thread mThread;
49 };
50 
51 }  // namespace implementation
52 }  // namespace gnss
53 }  // namespace hardware
54 }  // namespace android
55 }  // namespace aidl
56