src/shared/sensor_utils.cpp

   1 /*
   2  * sensord
   3  *
   4  * Copyright (c) 2017 Samsung Electronics Co., Ltd.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 #include "sensor_utils.h"
  21
  22 #include <glib.h>
  23 #include <unistd.h>
  24 #include <fcntl.h>
  25 #include <sys/types.h>
  26 #include <sys/stat.h>
  27 #include <string.h>
  28 #include <stddef.h>
  29 #include <map>
  30
  31 #include <sensor_log.h>
  32 #include <sensor_types.h>
  33 #include <sensor_types_private.h>
  34
  35 #ifndef PATH_MAX
  36 #define PATH_MAX 256
  37 #endif
  38
  39 /* TODO: move and define string type to sensor_type.h */
  40 static std::map<sensor_type_t, const char *> types = {
  41         {UNKNOWN_SENSOR,                 "http://tizen.org/sensor/general/unknown"},
  42         {ALL_SENSOR,                     "http://tizen.org/sensor/general/all"},
  43         {ACCELEROMETER_SENSOR,           "http://tizen.org/sensor/general/accelerometer"},
  44         {GRAVITY_SENSOR,                 "http://tizen.org/sensor/general/gravity"},
  45         {LINEAR_ACCEL_SENSOR,            "http://tizen.org/sensor/general/linear_acceleration"},
  46         {GEOMAGNETIC_SENSOR,             "http://tizen.org/sensor/general/magnetic"},
  47         {ROTATION_VECTOR_SENSOR,         "http://tizen.org/sensor/general/rotation_vector"},
  48         {ORIENTATION_SENSOR,             "http://tizen.org/sensor/general/orientation"},
  49         {GYROSCOPE_SENSOR,               "http://tizen.org/sensor/general/gyroscope"},
  50         {LIGHT_SENSOR,                   "http://tizen.org/sensor/general/light"},
  51         {PROXIMITY_SENSOR,               "http://tizen.org/sensor/general/proximity"},
  52         {PRESSURE_SENSOR,                "http://tizen.org/sensor/general/pressure"},
  53         {ULTRAVIOLET_SENSOR,             "http://tizen.org/sensor/general/ultraviolet"},
  54         {TEMPERATURE_SENSOR,             "http://tizen.org/sensor/general/temperature"},
  55         {HUMIDITY_SENSOR,                "http://tizen.org/sensor/general/humidity"},
  56         {HRM_SENSOR,                     "http://tizen.org/sensor/healthinfo/heart_rate_monitor"},
  57         {HRM_LED_GREEN_SENSOR,           "http://tizen.org/sensor/healthinfo/heart_rate_monitor.led_green"},
  58         {HRM_LED_IR_SENSOR,              "http://tizen.org/sensor/healthinfo/heart_rate_monitor.led_ir"},
  59         {HRM_LED_RED_SENSOR,             "http://tizen.org/sensor/healthinfo/heart_rate_monitor.led_red"},
  60         {GYROSCOPE_UNCAL_SENSOR,         "http://tizen.org/sensor/general/gyroscope.uncalibrated"},
  61         {GEOMAGNETIC_UNCAL_SENSOR,       "http://tizen.org/sensor/general/geomagnetic.uncalibrated"},
  62         {GYROSCOPE_RV_SENSOR,            "http://tizen.org/sensor/general/gyroscope_rotation_vector"},
  63         {GEOMAGNETIC_RV_SENSOR,          "http://tizen.org/sensor/general/geomagnetic_rotation_vector"},
  64
  65         {HUMAN_PEDOMETER_SENSOR,         "http://tizen.org/sensor/healthinfo/human_pedometer"},
  66         {HUMAN_SLEEP_MONITOR_SENSOR,     "http://tizen.org/sensor/healthinfo/human_sleep_monitor"},
  67         {HUMAN_SLEEP_DETECTOR_SENSOR,    "http://tizen.org/sensor/healthinfo/human_sleep_detector"},
  68         {HUMAN_STRESS_MONITOR_SENSOR,    "http://tizen.org/sensor/healthinfo/human_stress_monitor"},
  69
  70         {EXERCISE_WALKING_SENSOR,        "http://tizen.org/sensor/general/exercise.walking"},
  71         {EXERCISE_RUNNING_SENSOR,        "http://tizen.org/sensor/general/exercise.running"},
  72         {EXERCISE_HIKING_SENSOR,         "http://tizen.org/sensor/general/exercise.hiking"},
  73         {EXERCISE_CYCLING_SENSOR,        "http://tizen.org/sensor/general/exercise.cycling"},
  74         {EXERCISE_ELLIPTICAL_SENSOR,     "http://tizen.org/sensor/general/exercise.elliptical"},
  75         {EXERCISE_INDOOR_CYCLING_SENSOR, "http://tizen.org/sensor/general/exercise.indoor_cycling"},
  76         {EXERCISE_ROWING_SENSOR,         "http://tizen.org/sensor/general/exercise.rowing"},
  77         {EXERCISE_STEPPER_SENSOR,        "http://tizen.org/sensor/general/exercise.stepper"},
  78
  79         {EXTERNAL_EXERCISE_SENSOR,       "http://tizen.org/sensor/general/external_exercise"},
  80
  81         {FUSION_SENSOR,                  "http://tizen.org/sensor/general/fusion"},
  82         {AUTO_ROTATION_SENSOR,           "http://tizen.org/sensor/general/auto_rotation"},
  83         {AUTO_BRIGHTNESS_SENSOR,         "http://tizen.org/sensor/general/auto_brightness"},
  84
  85         {GESTURE_MOVEMENT_SENSOR,        "http://tizen.org/sensor/general/gesture_movement"},
  86         {GESTURE_WRIST_UP_SENSOR,        "http://tizen.org/sensor/general/gesture_wrist_up"},
  87         {GESTURE_WRIST_DOWN_SENSOR,      "http://tizen.org/sensor/general/gesture_wrist_down"},
  88         {GESTURE_MOVEMENT_STATE_SENSOR,  "http://tizen.org/sensor/general/gesture_movement_state"},
  89         {GESTURE_FACE_DOWN_SENSOR,       "http://tizen.org/sensor/general/gesture_face_down"},
  90
  91         {ACTIVITY_TRACKER_SENSOR,        "http://tizen.org/sensor/general/activity_tracker"},
  92         {ACTIVITY_LEVEL_MONITOR_SENSOR,  "http://tizen.org/sensor/general/activity_level_monitor"},
  93         {GPS_BATCH_SENSOR,               "http://tizen.org/sensor/general/gps_batch"},
  94
  95         {HRM_CTRL_SENSOR,                "http://tizen.org/sensor/general/hrm_ctrl"},
  96
  97         {WEAR_STATUS_SENSOR,             "http://tizen.org/sensor/general/wear_status"},
  98         {WEAR_ON_MONITOR_SENSOR,         "http://tizen.org/sensor/general/wear_on_monitor"},
  99         {NO_MOVE_DETECTOR_SENSOR,        "http://tizen.org/sensor/general/no_move_detector"},
 100         {RESTING_HR_SENSOR,              "http://tizen.org/sensor/general/resting_hr"},
 101         {STEP_LEVEL_MONITOR_SENSOR,      "http://tizen.org/sensor/general/step_level_monitor"},
 102         {EXERCISE_STANDALONE_SENSOR,     "http://tizen.org/sensor/general/exercise_standalone"},
 103         {EXERCISE_HR_SENSOR,             "http://tizen.org/sensor/healthinfo/general/exercise_hr"},
 104         {WORKOUT_SENSOR,                 "http://tizen.org/sensor/general/workout"},
 105         {CYCLE_MONITOR_SENSOR,           "http://tizen.org/sensor/general/cycle_monitor"},
 106         {STAIR_TRACKER_SENSOR,           "http://tizen.org/sensor/general/stair_tracker"},
 107         {PRESSURE_INDICATOR_SENSOR,      "http://tizen.org/sensor/general/pressure_indicator"},
 108         {PRESSURE_ALERT_SENSOR,          "http://tizen.org/sensor/general/pressure_alert"},
 109         {HR_CALORIE_SENSOR,              "http://tizen.org/sensor/general/hr_calorie"},
 110
 111         {CONTEXT_SENSOR,                 "http://tizen.org/sensor/general/context"},
 112         {MOTION_SENSOR,                  "http://tizen.org/sensor/general/motion"},
 113         {PIR_SENSOR,                     "http://tizen.org/sensor/general/pir"},
 114         {PIR_LONG_SENSOR,                "http://tizen.org/sensor/general/pir_long"},
 115         {DUST_SENSOR,                    "http://tizen.org/sensor/general/dust"},
 116         {THERMOMETER_SENSOR,             "http://tizen.org/sensor/general/thermometer"},
 117         {PEDOMETER_SENSOR,               "http://tizen.org/sensor/healthinfo/general/pedometer"},
 118         {FLAT_SENSOR,                    "http://tizen.org/sensor/general/flat"},
 119         {HRM_RAW_SENSOR,                 "http://tizen.org/sensor/healthinfo/general/hrm_raw"},
 120         {TILT_SENSOR,                    "http://tizen.org/sensor/general/tilt"},
 121         {RV_RAW_SENSOR,                  "http://tizen.org/sensor/general/rv_raw"},
 122         {GSR_SENSOR,                     "http://tizen.org/sensor/healthinfo/general/gsr"},
 123         {SIMSENSE_SENSOR,                "http://tizen.org/sensor/general/simsense"},
 124         {PPG_SENSOR,                     "http://tizen.org/sensor/healthinfo/general/ppg"},
 125 };
 126
 127 const char *sensor::utils::get_uri(sensor_type_t type)
 128 {
 129         auto it = types.find(type);
 130         if (it == types.end())
 131                 return "Unknown Type";
 132         return it->second;
 133 }
 134
 135 const char *sensor::utils::get_privilege(std::string uri)
 136 {
 137         std::size_t start = 0;
 138         std::size_t end = uri.length();
 139         std::size_t size = uri.size();
 140
 141         for (int i = 0; i < URI_PRIV_INDEX; ++i) {
 142                 retv_if(start >= uri.length(), "");
 143                 start = uri.find(URI_DELIMITER, start + 1);
 144                 retv_if(start == std::string::npos, "");
 145         }
 146
 147         end = uri.find(URI_DELIMITER, start + 1);
 148         retv_if(end == std::string::npos, "");
 149
 150         size = end - (start + 1);
 151
 152         if (uri.substr(start + 1, size) == PRIVILEGE_HEALTHINFO_STR)
 153                 return PRIVILEGE_HEALTHINFO_URI;
 154
 155         return "";
 156 }
 157
 158 static void init_types(std::map<std::string, sensor_type_t> &sensor_types)
 159 {
 160         ret_if(!sensor_types.empty());
 161
 162         for (auto it = types.begin(); it != types.end(); ++it) {
 163                 std::string uri(it->second);
 164                 std::size_t found = uri.find_last_of("/");
 165                 std::size_t len = uri.length() - (found + 1);
 166
 167                 sensor_types.emplace(uri.substr(found + 1, len), it->first);
 168         }
 169 }
 170
 171 sensor_type_t sensor::utils::get_type(std::string uri)
 172 {
 173         static std::map<std::string, sensor_type_t> sensor_types;
 174         init_types(sensor_types);
 175
 176         std::size_t start = 0;
 177         std::size_t end = uri.length();
 178         std::size_t size = uri.size();
 179
 180         for (int i = 0; i < URI_SENSOR_TYPE_INDEX; ++i) {
 181                 retv_if(start >= uri.length(), UNKNOWN_SENSOR);
 182                 start = uri.find(URI_DELIMITER, start + 1);
 183                 retv_if(start == std::string::npos, UNKNOWN_SENSOR);
 184         }
 185
 186         end = uri.find(URI_DELIMITER, start + 1);
 187         retv_if(end == std::string::npos, UNKNOWN_SENSOR);
 188
 189         size = end - (start + 1);
 190
 191         auto it = sensor_types.find(uri.substr(start + 1, size));
 192         retv_if(it == sensor_types.end(), UNKNOWN_SENSOR);
 193
 194         return it->second;
 195 }
 196
 197 unsigned long long sensor::utils::get_timestamp(void)
 198 {
 199         struct timespec t;
 200         clock_gettime(CLOCK_MONOTONIC, &t);
 201         return ((unsigned long long)(t.tv_sec)*1000000000LL + t.tv_nsec) / 1000;
 202 }
 203
 204 unsigned long long sensor::utils::get_timestamp(timeval *t)
 205 {
 206         if (!t)
 207                 return 0;
 208
 209         return ((unsigned long long)(t->tv_sec)*1000000LL +t->tv_usec);
 210 }
 211
 212 #ifdef _DEBUG
 213 bool sensor::utils::get_proc_name(pid_t pid, char *process_name)
 214 {
 215         FILE *fp;
 216         char buf[NAME_MAX];
 217         char filename[PATH_MAX];
 218
 219         sprintf(filename, "/proc/%d/stat", pid);
 220         fp = fopen(filename, "r");
 221
 222         if (fp == NULL)
 223                 return false;
 224
 225         if (fscanf(fp, "%*s (%[^)]", buf) < 1) {
 226                 fclose(fp);
 227                 return false;
 228         }
 229
 230         strncpy(process_name, buf, NAME_MAX-1);
 231         process_name[NAME_MAX-1] = '\0';
 232         fclose(fp);
 233
 234         return true;
 235 }
 236 #else
 237 bool sensor::utils::get_proc_name(pid_t pid, char *process_name)
 238 {
 239         char buf[NAME_MAX];
 240
 241         if (snprintf(buf, sizeof(buf), "%d process", pid) < 1) {
 242                 return false;
 243         }
 244
 245         strncpy(process_name, buf, NAME_MAX-1);
 246         process_name[NAME_MAX-1] = '\0';
 247
 248         return true;
 249 }
 250 #endif
 251
 252 const char* sensor::utils::get_client_name(void)
 253 {
 254         const int pid_string_size = 10;
 255         static pid_t pid = -1;
 256         static char client_name[NAME_MAX + pid_string_size];
 257
 258         char proc_name[NAME_MAX];
 259
 260         if (pid == -1)
 261         {
 262                 pid = getpid();
 263                 get_proc_name(pid, proc_name);
 264                 snprintf(client_name, sizeof(client_name), "%s(%d)", proc_name, pid);
 265         }
 266
 267         return client_name;
 268 }
 269
 270 std::vector<std::string> sensor::utils::tokenize(const std::string &in, const char *delim)
 271 {
 272         std::vector<std::string> tokens;
 273         char *input = g_strdup(in.c_str());
 274
 275         char *save = NULL;
 276         char *token = strtok_r(input, delim, &save);
 277
 278         while (token != NULL) {
 279                 tokens.push_back(token);
 280                 token = strtok_r(NULL, delim, &save);
 281         }
 282
 283         g_free(input);
 284         return tokens;
 285 }