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_SENSOR_REGISTRATION_INFO_H
18#define ANDROID_SENSOR_REGISTRATION_INFO_H
19
20#include "SensorServiceUtils.h"
21#include <utils/Thread.h>
22#include <iomanip>
23#include <sstream>
24
25namespace android {
26
27class SensorService;
28
29class SensorService::SensorRegistrationInfo : public SensorServiceUtil::Dumpable {
30public:
31    SensorRegistrationInfo() : mPackageName() {
32        mSensorHandle = mSamplingRateUs = mMaxReportLatencyUs = INT32_MIN;
33        mHour = mMin = mSec = INT8_MIN;
34        mActivated = false;
35    }
36
37    SensorRegistrationInfo(int32_t handle, const String8 &packageName,
38                           int64_t samplingRateNs, int64_t maxReportLatencyNs, bool activate) {
39        mSensorHandle = handle;
40        mPackageName = packageName;
41
42        mSamplingRateUs = static_cast<int64_t>(samplingRateNs/1000);
43        mMaxReportLatencyUs = static_cast<int64_t>(maxReportLatencyNs/1000);
44        mActivated = activate;
45
46        IPCThreadState *thread = IPCThreadState::self();
47        mPid = (thread != nullptr) ? thread->getCallingPid() : -1;
48        mUid = (thread != nullptr) ? thread->getCallingUid() : -1;
49
50        time_t rawtime = time(NULL);
51        struct tm * timeinfo = localtime(&rawtime);
52        mHour = static_cast<int8_t>(timeinfo->tm_hour);
53        mMin = static_cast<int8_t>(timeinfo->tm_min);
54        mSec = static_cast<int8_t>(timeinfo->tm_sec);
55    }
56
57    static bool isSentinel(const SensorRegistrationInfo& info) {
58       return (info.mHour == INT8_MIN &&
59               info.mMin == INT8_MIN &&
60               info.mSec == INT8_MIN);
61    }
62
63    // Dumpable interface
64    virtual std::string dump() const override {
65        std::ostringstream ss;
66        ss << std::setfill('0') << std::setw(2) << static_cast<int>(mHour) << ":"
67           << std::setw(2) << static_cast<int>(mMin) << ":"
68           << std::setw(2) << static_cast<int>(mSec)
69           << (mActivated ? " +" : " -")
70           << " 0x" << std::hex << std::setw(8) << mSensorHandle << std::dec
71           << std::setfill(' ') << " pid=" << std::setw(5) << mPid
72           << " uid=" << std::setw(5) << mUid << " package=" << mPackageName;
73        if (mActivated) {
74           ss  << " samplingPeriod=" << mSamplingRateUs << "us"
75               << " batchingPeriod=" << mMaxReportLatencyUs << "us";
76        };
77        return ss.str();
78    }
79
80private:
81    int32_t mSensorHandle;
82    String8 mPackageName;
83    pid_t   mPid;
84    uid_t   mUid;
85    int64_t mSamplingRateUs;
86    int64_t mMaxReportLatencyUs;
87    bool mActivated;
88    int8_t mHour, mMin, mSec;
89
90};
91
92} // namespace android;
93
94#endif // ANDROID_SENSOR_REGISTRATION_INFO_H
95
96
97