1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "sensor_callback_vdi.h"
17 #include "osal_mem.h"
18 #include <securec.h>
19 #include <unordered_map>
20 
21 #define HDF_LOG_TAG uhdf_sensor_callback_vdi
22 
23 namespace OHOS {
24 namespace HDI {
25 namespace Sensor {
26 namespace V2_0 {
27 namespace {
28     constexpr int32_t DATA_LEN = 256;
29     constexpr int64_t REPOPRT_TIME = 60000000000;
30     constexpr int64_t INIT_DATA_COUNT = 1;
31     static std::unordered_map<int32_t, int64_t> firstTimestampMap_;
32     static std::unordered_map<int32_t, int64_t> lastTimestampMap_;
33 }
34 
OnDataEventVdi(const OHOS::HDI::Sensor::V1_1::HdfSensorEventsVdi & eventVdi)35 int32_t SensorCallbackVdi::OnDataEventVdi(const OHOS::HDI::Sensor::V1_1::HdfSensorEventsVdi& eventVdi)
36 {
37     SENSOR_TRACE;
38     struct HdfSensorEvents event;
39     event.sensorId = eventVdi.sensorId;
40     event.version = eventVdi.version;
41     event.timestamp = eventVdi.timestamp;
42     event.option = eventVdi.option;
43     event.mode = eventVdi.mode;
44     event.data = eventVdi.data;
45     event.dataLen = eventVdi.dataLen;
46     int32_t ret = OnDataEvent(event);
47     return ret;
48 }
49 
OnDataEvent(const V2_0::HdfSensorEvents & event)50 int32_t SensorCallbackVdi::OnDataEvent(const V2_0::HdfSensorEvents& event)
51 {
52     SENSOR_TRACE;
53     SensorClientsManager::GetInstance()->CopyEventData(event);
54     const std::string reportResult = SensorClientsManager::GetInstance()->ReportEachClient(event);
55     HDF_LOGD("%{public}s sensorId=%{public}d, %{public}s", __func__, event.sensorId, reportResult.c_str());
56     PrintData(event, reportResult);
57     return HDF_SUCCESS;
58 }
59 
PrintData(const HdfSensorEvents & event,const std::string & reportResult)60 void SensorCallbackVdi::PrintData(const HdfSensorEvents &event, const std::string &reportResult)
61 {
62     SENSOR_TRACE;
63     std::unique_lock<std::mutex> lock(timestampMapMutex_);
64     static std::unordered_map<int32_t, int64_t> sensorDataCountMap;
65     auto it = sensorDataCountMap.find(event.sensorId);
66     int64_t dataCount = INIT_DATA_COUNT;
67     if (it == sensorDataCountMap.end()) {
68         sensorDataCountMap[event.sensorId] = INIT_DATA_COUNT;
69     } else {
70         it->second++;
71         dataCount = it->second;
72     }
73     bool result = false;
74     if (firstTimestampMap_[event.sensorId] == 0) {
75         firstTimestampMap_[event.sensorId] = event.timestamp;
76         result = true;
77     } else {
78         lastTimestampMap_[event.sensorId] = event.timestamp;
79     }
80 
81     if (lastTimestampMap_[event.sensorId] - firstTimestampMap_[event.sensorId] >= REPOPRT_TIME) {
82         firstTimestampMap_[event.sensorId] = lastTimestampMap_[event.sensorId];
83         result = true;
84     }
85 
86     if (result) {
87         std::string st = {0};
88         DataToStr(st, event);
89         st += "sensorDataCount=" + std::to_string(dataCount);
90         st += reportResult;
91         HDF_LOGI("%{public}s: %{public}s", __func__, st.c_str());
92     }
93 }
94 
DataToStr(std::string & str,const HdfSensorEvents & event)95 void SensorCallbackVdi::DataToStr(std::string &str, const HdfSensorEvents &event)
96 {
97     void *origin = OsalMemCalloc(sizeof(uint8_t) * (event.dataLen));
98     if (origin == nullptr) {
99         HDF_LOGE("%{public}s: OsalMemCalloc failed", __func__);
100         return;
101     }
102 
103     uint8_t *eventData = static_cast<uint8_t*>(origin);
104     std::copy(event.data.begin(), event.data.end(), eventData);
105     float *data = reinterpret_cast<float*>(eventData);
106     int32_t dataLen = event.dataLen;
107     int32_t dataDimension = static_cast<int32_t>(dataLen / sizeof(float));
108     std::string dataStr = {0};
109     char arrayStr[DATA_LEN] = {0};
110 
111     for (int32_t i = 0; i < dataDimension; i++) {
112         if (sprintf_s(arrayStr + strlen(arrayStr), DATA_LEN, "[%f]", data[i]) < 0) {
113             HDF_LOGE("%{public}s: sprintf_s failed", __func__);
114             OsalMemFree(origin);
115             return;
116         }
117     }
118 
119     dataStr = arrayStr;
120     str = "sensorId: " + std::to_string(event.sensorId) + ", ts: " +
121         std::to_string(event.timestamp / 1e9) + ", data: " + dataStr;
122 
123     OsalMemFree(origin);
124     return;
125 }
126 
HandleCallbackDeath()127 sptr<IRemoteObject> SensorCallbackVdi::HandleCallbackDeath()
128 {
129     sptr<IRemoteObject> remote = OHOS::HDI::hdi_objcast<ISensorCallback>(sensorCallback_);
130 
131     return remote;
132 }
133 } // V2_0
134 } // Sensor
135 } // HDI
136 } // OHOS
137