src/policy_manager/policy_manager.cpp

   1 /*
   2  * Copyright (c) 2018 TOYOTA MOTOR CORPORATION
   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
  18 #include <fstream>
  19 #include <sstream>
  20 #include <istream>
  21 #include <thread>
  22 #include <map>
  23 #include <queue>
  24 #include <systemd/sd-event.h>
  25 #include <json-c/json.h>
  26 #include "policy_manager.hpp"
  27 #include "hmi-debug.h"
  28
  29 namespace stm {
  30 extern "C" {
  31 #include "dummy_stm.h"
  32 }
  33 } // namespace stm
  34
  35
  36 namespace pm {
  37 typedef struct AreaState {
  38     std::string name;
  39     std::string category;
  40     std::string role;
  41 } AreaState;
  42
  43 typedef std::vector<AreaState> AreaList;
  44 typedef struct LayoutState {
  45     std::string name;
  46     std::map<std::string, int> category_num;
  47     AreaList area_list;
  48     std::map<std::string, std::vector<std::string>> role_history;
  49 } LayoutState;
  50
  51 typedef struct LayerState {
  52     std::string name;
  53     LayoutState layout_state;
  54 } LayerState;
  55
  56 typedef struct EventInfo {
  57     int event;
  58     std::string role;
  59     uint64_t delay;
  60 } EventInfo;
  61
  62 struct sd_event* event_loop;
  63 std::map<int, struct sd_event_source*> event_source_list;
  64 std::map<int, std::string> g_req_role_list;
  65 PolicyManager::CallbackTable callback;
  66 std::queue<EventInfo> g_event_info_queue;
  67
  68 std::unordered_map<std::string, LayerState> g_prv_layers;
  69 std::unordered_map<std::string, LayerState> g_crr_layers;
  70 std::unordered_map<std::string, LayerState> g_prv_layers_car_stop;
  71 std::unordered_map<std::string, LayoutState> g_default_layouts;
  72 }  // namespace pm
  73
  74
  75 PolicyManager::PolicyManager() :
  76   eventname2no_(),
  77   categoryname2no_(),
  78   areaname2no_(),
  79   role2category_(),
  80   category2role_(),
  81   role2defaultarea_()
  82 {
  83     HMI_DEBUG("wm:pm", "Call");
  84 }
  85
  86 int PolicyManager::initialize() {
  87     HMI_DEBUG("wm:pm", "Call");
  88
  89     int ret = 0;
  90
  91     // Create convert map
  92     for (int i = stm::gStmEventNoMin; i <= stm::gStmEventNoMax; i++) {
  93         HMI_DEBUG("wm:pm", "event name:%s no:%d", stm::gStmEventName[i], stm::gStmEventNo[i]);
  94         this->eventname2no_[stm::gStmEventName[i]] = stm::gStmEventNo[i];
  95     }
  96
  97     for (int i = stm::gStmCategoryNoMin; i <= stm::gStmCategoryNoMax; i++) {
  98         HMI_DEBUG("wm:pm", "category name:%s no:%d", stm::gStmCategoryName[i], stm::gStmCategoryNo[i]);
  99         this->categoryname2no_[stm::gStmCategoryName[i]] = stm::gStmCategoryNo[i];
 100     }
 101
 102     for (int i = stm::gStmAreaNoMin; i <= stm::gStmAreaNoMax; i++) {
 103         HMI_DEBUG("wm:pm", "area name:%s no:%d", stm::gStmAreaName[i], stm::gStmAreaNo[i]);
 104         this->areaname2no_[stm::gStmAreaName[i]] = stm::gStmAreaNo[i];
 105     }
 106
 107     // Load role.db
 108     ret = this->loadRoleDb();
 109     if (0 > ret) {
 110         HMI_ERROR("wm:pm", "Load role.db Error!!");
 111         return ret;
 112     }
 113
 114     // Load layout.db
 115     ret = this->loadLayoutDb();
 116     if (0 > ret) {
 117         HMI_ERROR("wm:pm", "Load layout.db Error!!");
 118         return ret;
 119     }
 120
 121     // Initialize current/previous state of layers
 122     pm::AreaState init_area;
 123     pm::LayoutState init_layout;
 124     init_area.name     = "none";
 125     init_area.category = "none";
 126     init_area.role     = "none";
 127     init_layout.area_list.push_back(init_area);
 128
 129     for (int i = stm::gStmLayerNoMin; i <= stm::gStmLayerNoMax; i++) {
 130         const char* layer_name = stm::gStmLayerName[i];
 131         pm::g_crr_layers[layer_name].name          = layer_name;
 132         pm::g_crr_layers[layer_name].layout_state  = init_layout;
 133     }
 134
 135     pm::g_prv_layers = pm::g_crr_layers;
 136
 137     // Initialize StateTransitioner
 138     stm::stmInitialize();
 139
 140     // Initialize sd_event loop
 141     ret = this->initializeSdEventLoop();
 142     if (0 > ret) {
 143         HMI_ERROR("wm:pm", "Failed to initializeSdEventLoop!!");
 144         return ret;
 145     }
 146
 147     return ret;
 148 }
 149
 150 int PolicyManager::initializeSdEventLoop() {
 151     // Get default event loop object
 152     int ret = sd_event_new(&(pm::event_loop));
 153     if (0 > ret) {
 154         HMI_ERROR("wm:pm", "Faild to sd_event_default: errno:%d", ret);
 155         return -1;
 156     }
 157
 158     // Create thread for sd_event and detach
 159     std::thread sd_event_loop([this]() {
 160         while (1) {
 161             sd_event_run(pm::event_loop, 1000);
 162         }
 163     });
 164     sd_event_loop.detach();
 165
 166     return 0;
 167 }
 168
 169 static void addStateToJson(
 170   const char* key, int is_changed, const char* state, json_object** json_out) {
 171     if ((nullptr == key) || (nullptr == state) || (nullptr == json_out)) {
 172         HMI_ERROR("wm:pm", "Argument is nullptr!!!");
 173         return;
 174     }
 175
 176     json_object* json_obj = json_object_new_object();
 177     json_object_object_add(json_obj, "is_changed", json_object_new_boolean(is_changed));
 178     if (is_changed) {
 179         HMI_DEBUG("wm:pm", "%s: state changed (%s)", key, state);
 180         json_object_object_add(json_obj, "state", json_object_new_string(state));
 181     }
 182     json_object_object_add(*json_out, key, json_obj);
 183 }
 184
 185 static void addStateToJson(const char* layer_name, unsigned int changed,
 186                            pm::AreaList area_list, json_object** json_out) {
 187     if ((nullptr == layer_name) || (1 < changed) || (nullptr == json_out)) {
 188         HMI_ERROR("wm:pm", "Invalid argument!!!");
 189         return;
 190     }
 191
 192     json_object* json_areas = json_object_new_array();
 193     json_object* json_tmp;
 194     for (pm::AreaState as : area_list) {
 195         json_tmp = json_object_new_object();
 196         json_object_object_add(json_tmp, "name", json_object_new_string(as.name.c_str()));
 197         json_object_object_add(json_tmp, "role", json_object_new_string(as.role.c_str()));
 198         json_object_array_add(json_areas, json_tmp);
 199     }
 200
 201     json_object_object_add(*json_out, "name", json_object_new_string(layer_name));
 202     json_object_object_add(*json_out, "changed", json_object_new_boolean(changed));
 203     json_object_object_add(*json_out, "areas", json_areas);
 204 }
 205
 206 static int checkPolicyEntry(int event, uint64_t delay_ms, std::string role);
 207 static int checkPolicy(sd_event_source *source, void *data) {
 208     HMI_DEBUG("wm:pm", "Call");
 209     HMI_DEBUG("wm:pm", ">>>>>>>>>> START CHECK POLICY");
 210
 211     int event_data = *((int*)data);
 212
 213     int event_no, category_no, area_no;
 214     event_no    = (event_data & STM_MSK_EVT_NO) - 1;
 215     category_no = ((event_data & STM_MSK_CTG_NO) >> 8) - 1;
 216     area_no     = ((event_data & STM_MSK_ARA_NO) >> 16) - 1;
 217     HMI_DEBUG("wm:pm", ">>>>>>>>>> event:%s category:%s area:%s",
 218               stm::gStmEventName[event_no],
 219               stm::gStmCategoryName[category_no],
 220               stm::gStmAreaName[area_no]);
 221
 222     // Transition state
 223     stm::stm_state_t crr_state;
 224     int ret = stm::stmTransitionState(event_data, &crr_state);
 225     if (0 > ret) {
 226         HMI_ERROR("wm:pm", "Error!!");
 227         return -1;
 228     }
 229
 230     HMI_DEBUG("wm:pm", "parking brake state     (is_changed:%d state:%d:%s)",
 231               crr_state.parking_brake.is_changed,
 232               crr_state.parking_brake.state,
 233               stm::gStmParkingBrakeStateNo2Name[crr_state.parking_brake.state]);
 234     HMI_DEBUG("wm:pm", "accelerator pedal state (is_changed:%d state:%d:%s)",
 235               crr_state.accel_pedal.is_changed,
 236               crr_state.accel_pedal.state,
 237               stm::gStmAccelPedalStateNo2Name[crr_state.accel_pedal.state]);
 238     HMI_DEBUG("wm:pm", "lightstatus brake state (is_changed:%d state:%d:%s)",
 239               crr_state.lightstatus_brake.is_changed,
 240               crr_state.lightstatus_brake.state,
 241               stm::gStmLightstatusBrakeStateNo2Name[crr_state.lightstatus_brake.state]);
 242     HMI_DEBUG("wm:pm", "car state               (is_changed:%d state:%d:%s)",
 243               crr_state.car.is_changed,
 244               crr_state.car.state,
 245               stm::gStmCarStateNo2Name[crr_state.car.state]);
 246     HMI_DEBUG("wm:pm", "lamp state              (is_changed:%d state:%d:%s)",
 247               crr_state.lamp.is_changed,
 248               crr_state.lamp.state,
 249               stm::gStmLampStateNo2Name[crr_state.lamp.state]);
 250     HMI_DEBUG("wm:pm", "restriction mode state  (is_changed:%d state:%d:%s)",
 251               crr_state.restriction_mode.is_changed,
 252               crr_state.restriction_mode.state,
 253               stm::gStmRestrictionModeStateNo2Name[crr_state.restriction_mode.state]);
 254     HMI_DEBUG("wm:pm", "homescreen state        (is_changed:%d state:%d:%s)",
 255               crr_state.layer[stm::gStmLayerNoHomescreen].is_changed,
 256               crr_state.layer[stm::gStmLayerNoHomescreen].state,
 257               stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoHomescreen].state]);
 258     HMI_DEBUG("wm:pm", "apps state              (is_changed:%d state:%d:%s)",
 259               crr_state.layer[stm::gStmLayerNoApps].is_changed,
 260               crr_state.layer[stm::gStmLayerNoApps].state,
 261               stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoApps].state]);
 262     HMI_DEBUG("wm:pm", "restriction state       (is_changed:%d state:%d:%s)",
 263               crr_state.layer[stm::gStmLayerNoRestriction].is_changed,
 264               crr_state.layer[stm::gStmLayerNoRestriction].state,
 265               stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoRestriction].state]);
 266     HMI_DEBUG("wm:pm", "on_screen state         (is_changed:%d state:%d:%s)",
 267               crr_state.layer[stm::gStmLayerNoOnScreen].is_changed,
 268               crr_state.layer[stm::gStmLayerNoOnScreen].state,
 269               stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoOnScreen].state]);
 270
 271     // Store previous layers
 272     pm::g_prv_layers = pm::g_crr_layers;
 273
 274     std::string req_role = pm::g_req_role_list[event_data];
 275     std::string req_evt = std::string(stm::gStmEventName[event_no]);
 276     std::string req_ctg = std::string(stm::gStmCategoryName[category_no]);
 277     std::string req_area = std::string(stm::gStmAreaName[area_no]);
 278     HMI_DEBUG("wm:pm", "REQ: event:%s role%s category:%s area:%s",
 279         req_evt.c_str(), req_role.c_str(), req_ctg.c_str(), req_area.c_str());
 280
 281     // Update layers
 282     for (int layer_no = stm::gStmLayerNoMin;
 283          layer_no <= stm::gStmLayerNoMax; layer_no++) {
 284         const char* layer_name = stm::gStmLayerName[layer_no];
 285         HMI_DEBUG("wm:pm", "LAYER:%s", layer_name);
 286
 287 #if 1
 288         // If restriction mode is changed off -> on,
 289         // store current state for state of restriction mode off
 290         if ((crr_state.restriction_mode.is_changed)
 291             && (stm::gStmRestrictionModeStateNoOn == crr_state.restriction_mode.state)) {
 292             HMI_DEBUG("wm:lm", "Store current state for state of restriction mode off");
 293             pm::g_prv_layers_car_stop[layer_name] = pm::g_crr_layers[layer_name];
 294         }
 295 #else
 296         // If car state is changed car_stop -> car_run,
 297         // store current state for state of car stop
 298         if ((crr_state.car.is_changed)
 299             && (stm::gStmCarStateNoRun == crr_state.car.state)) {
 300             HMI_DEBUG("wm:lm", "Store current state for state of car stop");
 301             pm::g_prv_layers_car_stop[layer_name] = pm::g_crr_layers[layer_name];
 302         }
 303 #endif
 304
 305
 306         // This layer is changed?
 307         if (crr_state.layer[layer_no].is_changed) {
 308             // Get previous layout name of this layer
 309             pm::LayoutState prv_layout_state =  pm::g_prv_layers[layer_name].layout_state;
 310             std::string prv_layout_name = prv_layout_state.name;
 311
 312             // Get current layout name of this layer
 313             int crr_layout_state_no =  crr_state.layer[layer_no].state;
 314             std::string crr_layout_name = std::string(stm::gStmLayoutNo2Name[crr_layout_state_no]);
 315
 316             pm::LayoutState crr_layout_state;
 317 #if 1
 318             if ((crr_state.restriction_mode.is_changed)
 319                 && (stm::gStmRestrictionModeStateNoOff == crr_state.restriction_mode.state)) {
 320                 // If restriction mode is changed on -> off,
 321                 // restore state of restriction mode off
 322                 HMI_DEBUG("wm:lm", "Restriction mode is changed on -> off, so restore state of restriction mode off");
 323                 crr_layout_state = pm::g_prv_layers_car_stop[layer_name].layout_state;
 324 #else
 325             if ((crr_state.car.is_changed)
 326                 && (stm::gStmCarStateNoStop == crr_state.car.state)) {
 327                 // If car state is changed car_run -> car_stop,
 328                 // restore state of car stop
 329                 HMI_DEBUG("wm:lm", "Car state is changed car_run -> car_stop, so restore state of car stop");
 330                 crr_layout_state = pm::g_prv_layers_car_stop[layer_name].layout_state;
 331 #endif
 332             }
 333             else {
 334                 // Copy previous layout state for current
 335                 crr_layout_state = prv_layout_state;
 336
 337                 if (prv_layout_name == crr_layout_name) {
 338                     HMI_DEBUG("wm:lm", "Previous layout is same with current");
 339                 }
 340                 else {
 341                     // If previous layout is NOT same with current,
 342                     // current areas is set with default value
 343                     HMI_DEBUG("wm:lm", "Previous layout is NOT same with current");
 344                     crr_layout_state.name         = pm::g_default_layouts[crr_layout_name].name;
 345                     crr_layout_state.category_num = pm::g_default_layouts[crr_layout_name].category_num;
 346                     crr_layout_state.area_list    = pm::g_default_layouts[crr_layout_name].area_list;
 347                 }
 348
 349                 // Create candidate list
 350                 std::map<std::string, pm::AreaList> cand_list;
 351                 for (int ctg_no=stm::gStmCategoryNoMin;
 352                      ctg_no<=stm::gStmCategoryNoMax; ctg_no++) {
 353                     const char* ctg = stm::gStmCategoryName[ctg_no];
 354                     HMI_DEBUG("wm:pm", "ctg:%s", ctg);
 355
 356                     // Create candidate list for category from the previous displayed categories
 357                     pm::AreaList tmp_cand_list;
 358                     for (pm::AreaState area_state : prv_layout_state.area_list) {
 359                         if (std::string(ctg) == area_state.category) {
 360                             // If there is the category which is same with new category in previous layout,
 361                             // push it to list
 362                             HMI_DEBUG("wm:pm", "Push to candidate list category:%s role:%s",
 363                                       area_state.category.c_str(), area_state.role.c_str());
 364                             tmp_cand_list.push_back(area_state);
 365                         }
 366                     }
 367
 368                     int candidate_num = prv_layout_state.category_num[ctg];
 369                     int blank_num = crr_layout_state.category_num[ctg];
 370                     HMI_DEBUG("wm:pm", "blank_num:%d candidate_num:%d", blank_num, candidate_num);
 371
 372                     // If requested event is "activate"
 373                     // and there are requested category and area,
 374                     // update area with requested role in current layout.
 375                     bool request_for_this_layer = false;
 376                     bool updated = false;
 377                     if ((ctg == req_ctg) && ("activate" == req_evt) ) {
 378                         HMI_DEBUG("wm:pm", "requested event is activate");
 379                         for (pm::AreaState &as : crr_layout_state.area_list) {
 380                             if (as.category == req_ctg) {
 381                                 request_for_this_layer = true;
 382
 383                                 if (as.name == req_area) {
 384                                     HMI_DEBUG("wm:pm", "Update current layout: area:%s category:%s role:%s",
 385                                               as.name.c_str(), as.category.c_str(), as.role.c_str());
 386                                     as.role = req_role;
 387                                     blank_num--;
 388                                     updated = true;
 389                                     break;
 390                                 }
 391                             }
 392                         }
 393
 394                         // If NOT updated: there is not requested area in new layout,
 395                         // so push requested role to candidate list
 396                         if (request_for_this_layer && (!updated)) {
 397                             HMI_DEBUG("wm:pm", "Push request to candidate list");
 398                             pm::AreaState area_state;
 399                             area_state.name = req_area;
 400                             area_state.category = req_ctg;
 401                             area_state.role = req_role;
 402                             tmp_cand_list.push_back(area_state);
 403                         }
 404                     }
 405
 406                     // Compare number of candidate/blank,
 407                     // And remove role in order of the oldest as necessary
 408                     if (candidate_num < blank_num) {
 409                         // Refer history stack
 410                         // and add to the top of tmp_cand_list in order to the newest
 411                         while (candidate_num != blank_num) {
 412                             pm::AreaState area_state;
 413                             area_state.name = "";
 414                             area_state.category = ctg;
 415                             if (0 != crr_layout_state.role_history[ctg].size()) {
 416                                 HMI_ERROR("wm:pm", "Use role in history stack:%s",
 417                                           crr_layout_state.role_history[ctg].back().c_str());
 418                                 area_state.role = crr_layout_state.role_history[ctg].back();
 419                                 crr_layout_state.role_history[ctg].pop_back();
 420                             }
 421                             else {
 422                                 HMI_ERROR("wm:pm", "There is no role in history stack!!");
 423                                 area_state.role = "";
 424                             }
 425                             tmp_cand_list.push_back(area_state);
 426                             candidate_num++;
 427                         }
 428                     }
 429                     else if (candidate_num > blank_num) {
 430                         HMI_DEBUG("wm:pm", "candidate_num > blank_num");
 431
 432                         // Remove the oldest role from candidate list
 433                         while (candidate_num != blank_num) {
 434                             std::string removed_role = tmp_cand_list.begin()->role;
 435                             HMI_DEBUG("wm:pm", "Remove the oldest data(role:%s) from tmp_cand_list",
 436                                       removed_role.c_str());
 437                             tmp_cand_list.erase(tmp_cand_list.begin());
 438                             candidate_num--;
 439
 440                             // Push removed data to history stack
 441                             crr_layout_state.role_history[ctg].push_back(removed_role);
 442                         }
 443                     }
 444                     else {  // (candidate_num == blank_num)
 445                         // nop
 446                     }
 447
 448                     cand_list[ctg] = tmp_cand_list;
 449                 }
 450
 451                 // Update areas
 452                 for (pm::AreaState &as : crr_layout_state.area_list) {
 453                     HMI_DEBUG("wm:pm", "Current area info area:%s category:%s",
 454                               as.name.c_str(), as.category.c_str());
 455                     if ("" == as.role) {
 456                         HMI_DEBUG("wm:pm", "Update this area with role:%s",
 457                                   cand_list[as.category].begin()->role.c_str());
 458                         as.role = cand_list[as.category].begin()->role;
 459                         cand_list[as.category].erase(cand_list[as.category].begin());
 460                     }
 461                 }
 462             }
 463             // Update current layout of this layer
 464             pm::g_crr_layers[layer_name].layout_state = crr_layout_state;
 465         }
 466     }
 467
 468     // Check
 469     for (auto itr : pm::g_crr_layers) {
 470         pm::LayerState ls = itr.second;
 471         HMI_DEBUG("wm:pm", ">>> LAYER:%s",ls.name.c_str());
 472         HMI_DEBUG("wm:pm", ">>> >>> LAYOUT:%s", ls.layout_state.name.c_str());
 473
 474         for (pm::AreaState as : ls.layout_state.area_list) {
 475             HMI_DEBUG("wm:pm", ">>> >>> >>> AREA:%s", as.name.c_str());
 476             HMI_DEBUG("wm:pm", ">>> >>> >>> >>> CTG:%s", as.category.c_str());
 477             HMI_DEBUG("wm:pm", ">>> >>> >>> >>> ROLE:%s", as.role.c_str());
 478         }
 479     }
 480
 481     json_object* json_out = json_object_new_object();
 482
 483     // Create result
 484     // {
 485     //     "parking_brake": {
 486     //         "is_changed": <bool>,
 487     //         "state": <const char*>
 488     //     },
 489     addStateToJson("parking_brake",
 490                    crr_state.parking_brake.is_changed,
 491                    stm::gStmParkingBrakeStateNo2Name[crr_state.parking_brake.state],
 492                    &json_out);
 493
 494     //     "accel_pedal": {
 495     //         "is_changed": <bool>,
 496     //         "state": <const char*>
 497     //     },
 498     addStateToJson("accel_pedal",
 499                    crr_state.accel_pedal.is_changed,
 500                    stm::gStmAccelPedalStateNo2Name[crr_state.accel_pedal.state],
 501                    &json_out);
 502
 503     //     "lightstatus_brake": {
 504     //         "is_changed": <bool>,
 505     //         "state": <const char*>
 506     //     },
 507     addStateToJson("lightstatus_brake",
 508                    crr_state.lightstatus_brake.is_changed,
 509                    stm::gStmLightstatusBrakeStateNo2Name[crr_state.lightstatus_brake.state],
 510                    &json_out);
 511
 512     //     "car": {
 513     //         "is_changed": <bool>,
 514     //         "state": <const char*>
 515     //     },
 516     addStateToJson("car",
 517                    crr_state.car.is_changed,
 518                    stm::gStmCarStateNo2Name[crr_state.car.state],
 519                    &json_out);
 520
 521     //     "lamp": {
 522     //         "is_changed": <bool>,
 523     //         "state": <const char*>
 524     //     },
 525     addStateToJson("lamp",
 526                    crr_state.lamp.is_changed,
 527                    stm::gStmLampStateNo2Name[crr_state.lamp.state],
 528                    &json_out);
 529
 530     //     "restriction_mode": {
 531     //         "is_changed": <bool>,
 532     //         "state": <const char*>
 533     //     },
 534     addStateToJson("restriction_mode",
 535                    crr_state.restriction_mode.is_changed,
 536                    stm::gStmRestrictionModeStateNo2Name[crr_state.restriction_mode.state],
 537                    &json_out);
 538
 539     // Create layout information
 540     //
 541     //     "layers": [
 542     //     {
 543     //         "homescreen": {
 544     //             "changed": <bool>,
 545     //             "areas": [
 546     //             {
 547     //                 "name":<const char*>,
 548     //                 "role":<const char*>
 549     //             }.
 550     //             ...
 551     //             ]
 552     //         }
 553     //     },
 554     //     ...
 555     json_object* json_layer = json_object_new_array();
 556     json_object* json_tmp;
 557     for (int layer_no = stm::gStmLayerNoMin;
 558          layer_no <= stm::gStmLayerNoMax; layer_no++) {
 559         const char* layer_name = stm::gStmLayerName[layer_no];
 560         HMI_DEBUG("wm:pm", "LAYER:%s", layer_name);
 561
 562         json_tmp = json_object_new_object();
 563         addStateToJson(layer_name,
 564                        crr_state.layer[layer_no].is_changed,
 565                        pm::g_crr_layers[layer_name].layout_state.area_list,
 566                        &json_tmp);
 567         json_object_array_add(json_layer, json_tmp);
 568     }
 569
 570     // Add json array of layer
 571     json_object_object_add(json_out, "layers", json_layer);
 572
 573     // Notify state is changed
 574     if (nullptr != pm::callback.onStateTransitioned) {
 575         pm::callback.onStateTransitioned(json_out);
 576     }
 577
 578     if (crr_state.car.is_changed) {
 579         if (stm::gStmCarStateNoRun == crr_state.car.state) {
 580             // Set delay event(restriction mode on)
 581             checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_ON, 3000, "");
 582         }
 583         else if (stm::gStmCarStateNoStop == crr_state.car.state) {
 584             // Set event(restriction mode off)
 585             checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_OFF, 0, "");
 586
 587             // Stop timer for restriction on event
 588             if (pm::event_source_list.find(STM_EVT_NO_RESTRICTION_MODE_ON)
 589               != pm::event_source_list.end()) {
 590                 HMI_DEBUG("wm:pm", "Stop timer for restriction on");
 591                 sd_event_source *event_source
 592                     = pm::event_source_list[STM_EVT_NO_RESTRICTION_MODE_ON];
 593                 int ret = sd_event_source_set_enabled(event_source, SD_EVENT_OFF);
 594                 if (0 > ret) {
 595                     HMI_ERROR("wm:pm", "Failed to stop timer");
 596                 }
 597             }
 598         }
 599     }
 600
 601     // Release json_object
 602     json_object_put(json_out);
 603
 604     // Release data
 605     delete (int*)data;
 606
 607     // Destroy sd_event_source object
 608     sd_event_source_unref(source);
 609
 610     // Remove event source from list
 611     if (pm::event_source_list.find(event_data) != pm::event_source_list.end()) {
 612         pm::event_source_list.erase(event_data);
 613     }
 614
 615     HMI_DEBUG("wm:pm", ">>>>>>>>>> FINISH CHECK POLICY");
 616     return 0;
 617 }
 618
 619 static int timerEvent(sd_event_source *source, uint64_t usec, void *data) {
 620     HMI_DEBUG("wm:pm", "Call");
 621
 622     int ret = checkPolicy(source, data);
 623     return ret;
 624 }
 625
 626 static int checkPolicyEntry(int event, uint64_t delay_ms, std::string role)
 627 {
 628     HMI_DEBUG("wm:pm", "Call");
 629     HMI_DEBUG("wm:pm", "event:0x%x delay:%d role:%s", event, delay_ms, role.c_str());
 630
 631     // Store requested role
 632     pm::g_req_role_list[event] = role;
 633
 634     if (0 == delay_ms) {
 635         int ret = sd_event_add_defer(pm::event_loop, NULL,
 636                                      &checkPolicy, new int(event));
 637         if (0 > ret) {
 638             HMI_ERROR("wm:pm", "Faild to sd_event_add_defer: errno:%d", ret);
 639             pm::g_req_role_list.erase(event);
 640             return -1;
 641         }
 642     }
 643     else {
 644         // Get current time
 645         struct timespec time_spec;
 646         clock_gettime(CLOCK_MONOTONIC, &time_spec);
 647
 648         // Calculate timer fired time
 649         uint64_t usec = (time_spec.tv_sec * 1000000)
 650             + (time_spec.tv_nsec / 1000)
 651             + (delay_ms * 1000);
 652
 653         // Set timer
 654         struct sd_event_source* event_source;
 655         int ret = sd_event_add_time(pm::event_loop, &event_source, CLOCK_MONOTONIC, usec, 1,
 656                                     &timerEvent, new int(event));
 657         if (0 > ret) {
 658             HMI_ERROR("wm:pm", "Faild to sd_event_add_time: errno:%d", ret);
 659             pm::g_req_role_list.erase(event);
 660             return -1;
 661         }
 662
 663         // Store event source
 664         pm::event_source_list[event] = event_source;
 665     }
 666
 667     return 0;
 668 }
 669
 670 void PolicyManager::registerCallback(CallbackTable callback) {
 671     HMI_DEBUG("wm:pm", "Call");
 672
 673     pm::callback.onStateTransitioned = callback.onStateTransitioned;
 674     pm::callback.onError             = callback.onError;
 675 }
 676
 677 int PolicyManager::setInputEventData(json_object* json_in) {
 678     HMI_DEBUG("wm:pm", "Call");
 679
 680     // Check arguments
 681     if (nullptr == json_in) {
 682         HMI_ERROR("wm:pm", "Argument is NULL!!");
 683         return -1;
 684     }
 685
 686     // Get event from json_object
 687     const char* event = this->getStringFromJson(json_in, "event");
 688     int event_no = 0;
 689     if (nullptr != event) {
 690         // Convert name to number
 691         event_no = this->eventname2no_[event];
 692         HMI_DEBUG("wm:pm", "event(%s:%d)", event, event_no);
 693     }
 694
 695     // Get role from json_object
 696     const char* role = this->getStringFromJson(json_in, "role");
 697     int category_no = 0;
 698     if (nullptr != role) {
 699         HMI_DEBUG("wm:pm", "role(%s)", role);
 700
 701         // Convert role to category
 702         const char* category = this->role2category_[role].c_str();
 703         if (0 == strcmp("", category)) {
 704             HMI_ERROR("wm:pm", "Error!!");
 705             return -1;
 706         }
 707         HMI_DEBUG("wm:pm", "category(%s)", category);
 708
 709         // Convert name to number
 710         category_no = categoryname2no_[category];
 711         HMI_DEBUG("wm:pm", "role(%s), category(%s:%d)", role, category, category_no);
 712     }
 713
 714     // Get areat from json_object
 715     const char* area = this->getStringFromJson(json_in, "area");
 716     int area_no = 0;
 717     if (nullptr != area) {
 718         // Convert name to number
 719         area_no = areaname2no_[area];
 720         HMI_DEBUG("wm:pm", "area(%s:%d)", area, area_no);
 721     }
 722
 723     // Set event info to the queue
 724     pm::EventInfo event_info;
 725     event_info.event = (event_no | category_no | area_no);
 726     if (nullptr == role) {
 727         event_info.role = std::string("");
 728     }
 729     else {
 730         event_info.role = std::string(role);
 731     }
 732     event_info.delay = 0;
 733     pm::g_event_info_queue.push(event_info);
 734
 735     return 0;
 736 }
 737
 738 int PolicyManager::executeStateTransition() {
 739     HMI_DEBUG("wm:pm", "Call");
 740
 741     int ret;
 742     pm::EventInfo event_info;
 743
 744     while (!pm::g_event_info_queue.empty()) {
 745         // Get event info from queue and delete
 746         event_info = pm::g_event_info_queue.front();
 747         pm::g_event_info_queue.pop();
 748
 749         // Set event info for checking policy
 750         ret = checkPolicyEntry(event_info.event, event_info.delay, event_info.role);
 751     }
 752     return ret;
 753 }
 754
 755 void PolicyManager::undoState() {
 756     HMI_DEBUG("wm:pm", "Call");
 757
 758     // Undo state of STM
 759     stm::stmUndoState();
 760
 761     pm::g_crr_layers = pm::g_prv_layers;
 762 }
 763
 764 extern const char* kDefaultRoleDb;
 765 int PolicyManager::loadRoleDb() {
 766     HMI_DEBUG("wm:pm", "Call");
 767
 768     std::string file_name;
 769
 770     // Get afm application installed dir
 771     char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
 772     HMI_DEBUG("wm:pm", "afm_app_install_dir:%s", afm_app_install_dir);
 773
 774     if (!afm_app_install_dir) {
 775         HMI_ERROR("wm:pm", "AFM_APP_INSTALL_DIR is not defined");
 776     }
 777     else {
 778         file_name = std::string(afm_app_install_dir) + std::string("/etc/role.db");
 779     }
 780
 781     // Load role.db
 782     json_object* json_obj;
 783     int ret = this->inputJsonFilie(file_name.c_str(), &json_obj);
 784     if (0 > ret) {
 785         HMI_ERROR("wm:pm", "Could not open role.db, so use default role information");
 786         json_obj = json_tokener_parse(kDefaultRoleDb);
 787     }
 788     HMI_DEBUG("wm:pm", "json_obj dump:%s", json_object_get_string(json_obj));
 789
 790     json_object* json_roles;
 791     if (!json_object_object_get_ex(json_obj, "roles", &json_roles)) {
 792         HMI_ERROR("wm:pm", "Parse Error!!");
 793         return -1;
 794     }
 795
 796     int len = json_object_array_length(json_roles);
 797     HMI_DEBUG("wm:pm", "json_cfg len:%d", len);
 798     HMI_DEBUG("wm:pm", "json_cfg dump:%s", json_object_get_string(json_roles));
 799
 800     json_object* json_tmp;
 801     const char* category;
 802     const char* roles;
 803     const char* areas;
 804     for (int i=0; i<len; i++) {
 805         json_tmp = json_object_array_get_idx(json_roles, i);
 806
 807         category = this->getStringFromJson(json_tmp, "category");
 808         roles =  this->getStringFromJson(json_tmp, "role");
 809         areas =  this->getStringFromJson(json_tmp, "area");
 810
 811         if ((nullptr == category) || (nullptr == roles) || (nullptr == areas)) {
 812             HMI_ERROR("wm:pm", "Parse Error!!");
 813             return -1;
 814         }
 815
 816         // Parse roles by '|'
 817         std::vector<std::string> vct_roles;
 818         vct_roles = this->parseString(std::string(roles), '|');
 819
 820         // Parse areas by '|'
 821         std::vector<std::string> vct_areas;
 822         vct_areas = this->parseString(std::string(areas), '|');
 823
 824         // Set role, category, default area
 825         for (auto itr = vct_roles.begin(); itr != vct_roles.end(); ++itr) {
 826             // Delete space from role and area name
 827             std::string role = this->deleteSpace(*itr);
 828             std::string area = this->deleteSpace(vct_areas[0]);
 829
 830             this->role2category_[role] = std::string(category);
 831             this->role2defaultarea_[role] = area;
 832         }
 833
 834         this->category2role_[std::string(category)] = std::string(roles);
 835     }
 836
 837     // Check
 838     HMI_DEBUG("wm:pm", "Check role2category_");
 839     for (auto& x:this->role2category_){
 840         HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
 841     }
 842
 843     HMI_DEBUG("wm:pm", "Check role2defaultarea_");
 844     for (auto& x:this->role2defaultarea_){
 845         HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
 846     }
 847
 848     HMI_DEBUG("wm:pm", "Check category2role_");
 849     for (auto& x:this->category2role_){
 850         HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
 851     }
 852
 853     return 0;
 854 }
 855
 856 extern const char* kDefaultLayoutDb;
 857 int PolicyManager::loadLayoutDb() {
 858     HMI_DEBUG("wm:lm", "Call");
 859
 860     // Get afm application installed dir
 861     char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
 862     HMI_DEBUG("wm:pm", "afm_app_install_dir:%s", afm_app_install_dir);
 863
 864     std::string file_name;
 865     if (!afm_app_install_dir) {
 866         HMI_ERROR("wm:pm", "AFM_APP_INSTALL_DIR is not defined");
 867     }
 868     else {
 869         file_name = std::string(afm_app_install_dir) + std::string("/etc/layout.db");
 870     }
 871
 872     // Load layout.db
 873     json_object* json_obj;
 874     int ret = this->inputJsonFilie(file_name.c_str(), &json_obj);
 875     if (0 > ret) {
 876         HMI_DEBUG("wm:pm", "Could not open layout.db, so use default layout information");
 877         json_obj = json_tokener_parse(kDefaultLayoutDb);
 878     }
 879     HMI_DEBUG("wm:pm", "json_obj dump:%s", json_object_get_string(json_obj));
 880
 881     // Perse layouts
 882     HMI_DEBUG("wm:pm", "Perse layouts");
 883     json_object* json_cfg;
 884     if (!json_object_object_get_ex(json_obj, "layouts", &json_cfg)) {
 885         HMI_ERROR("wm:pm", "Parse Error!!");
 886         return -1;
 887     }
 888
 889     int len = json_object_array_length(json_cfg);
 890     HMI_DEBUG("wm:pm", "json_cfg len:%d", len);
 891     HMI_DEBUG("wm:pm", "json_cfg dump:%s", json_object_get_string(json_cfg));
 892
 893     const char* layout;
 894     const char* role;
 895     const char* category;
 896     for (int i=0; i<len; i++) {
 897         json_object* json_tmp = json_object_array_get_idx(json_cfg, i);
 898
 899         layout = this->getStringFromJson(json_tmp, "name");
 900         if (nullptr == layout) {
 901             HMI_ERROR("wm:pm", "Parse Error!!");
 902             return -1;
 903         }
 904         HMI_DEBUG("wm:pm", "> layout:%s", layout);
 905
 906         json_object* json_area_array;
 907         if (!json_object_object_get_ex(json_tmp, "areas", &json_area_array)) {
 908           HMI_ERROR("wm:pm", "Parse Error!!");
 909           return -1;
 910         }
 911
 912         int len_area = json_object_array_length(json_area_array);
 913         HMI_DEBUG("wm:pm", "json_area_array len:%d", len_area);
 914         HMI_DEBUG("wm:pm", "json_area_array dump:%s", json_object_get_string(json_area_array));
 915
 916         pm::LayoutState layout_state;
 917         pm::AreaState area_state;
 918         std::map<std::string, int> category_num;
 919         for (int ctg_no = stm::gStmCategoryNoMin;
 920              ctg_no <= stm::gStmCategoryNoMax; ctg_no++) {
 921             const char* ctg_name = stm::gStmCategoryName[ctg_no];
 922             category_num[ctg_name] = 0;
 923         }
 924
 925         for (int j=0; j<len_area; j++) {
 926             json_object* json_area = json_object_array_get_idx(json_area_array, j);
 927
 928             // Get area name
 929             const char* area = this->getStringFromJson(json_area, "name");
 930             if (nullptr == area) {
 931               HMI_ERROR("wm:pm", "Parse Error!!");
 932               return -1;
 933             }
 934             area_state.name = std::string(area);
 935             HMI_DEBUG("wm:pm", ">> area:%s", area);
 936
 937             // Get app attribute of the area
 938             category = this->getStringFromJson(json_area, "category");
 939             if (nullptr == category) {
 940                 HMI_ERROR("wm:pm", "Parse Error!!");
 941                 return -1;
 942             }
 943             area_state.category = std::string(category);
 944             category_num[category]++;
 945             HMI_DEBUG("wm:pm", ">>> category:%s", category);
 946
 947             role = this->getStringFromJson(json_area, "role");
 948             if (nullptr != role) {
 949                 // Role is NOT essential here
 950                 area_state.role = std::string(role);
 951             }
 952             else {
 953                 area_state.role = std::string("");
 954
 955             }
 956             HMI_DEBUG("wm:pm", ">>> role:%s", role);
 957
 958             layout_state.area_list.push_back(area_state);
 959
 960         }
 961
 962         layout_state.name = layout;
 963         layout_state.category_num = category_num;
 964         pm::g_default_layouts[layout] = layout_state;
 965     }
 966
 967     // initialize for none layout
 968     pm::LayoutState none_layout_state;
 969     memset(&none_layout_state, 0, sizeof(none_layout_state));
 970     none_layout_state.name                 = "none";
 971     pm::g_default_layouts["none"] = none_layout_state;
 972
 973     // Check
 974     for(auto itr_layout = pm::g_default_layouts.begin();
 975       itr_layout != pm::g_default_layouts.end(); ++itr_layout) {
 976         HMI_DEBUG("wm:pm", ">>> layout:%s", itr_layout->first.c_str());
 977
 978         for (auto itr_area = itr_layout->second.area_list.begin();
 979           itr_area != itr_layout->second.area_list.end(); ++itr_area) {
 980             HMI_DEBUG("wm:pm", ">>> >>> area    :%s", itr_area->name.c_str());
 981             HMI_DEBUG("wm:pm", ">>> >>> category:%s", itr_area->category.c_str());
 982             HMI_DEBUG("wm:pm", ">>> >>> role    :%s", itr_area->role.c_str());
 983         }
 984     }
 985
 986     // Release json_object
 987     json_object_put(json_obj);
 988
 989     return 0;
 990 }
 991
 992 // TODO:
 993 // This function will be removed because json_helper has same function.
 994 // json_helper should be library.
 995 const char* PolicyManager::getStringFromJson(json_object* obj, const char* key) {
 996     if ((nullptr == obj) || (nullptr == key)) {
 997         HMI_ERROR("wm:pm", "Argument is nullptr!!!");
 998         return nullptr;
 999     }
1000
1001     json_object* tmp;
1002     if (!json_object_object_get_ex(obj, key, &tmp)) {
1003         HMI_DEBUG("wm:pm", "Not found key \"%s\"", key);
1004         return nullptr;
1005     }
1006
1007     return json_object_get_string(tmp);
1008 }
1009
1010 // TODO:
1011 // This function will be removed because json_helper has same function.
1012 // json_helper should be library.
1013 int PolicyManager::inputJsonFilie(const char* file, json_object** obj) {
1014     const int input_size = 128;
1015     int ret = -1;
1016
1017     if ((nullptr == file) || (nullptr == obj)) {
1018         HMI_ERROR("wm:jh", "Argument is nullptr!!!");
1019         return ret;
1020     }
1021
1022     HMI_DEBUG("wm:jh", "Input file: %s", file);
1023
1024     // Open json file
1025     FILE *fp = fopen(file, "rb");
1026     if (nullptr == fp) {
1027         HMI_ERROR("wm:jh", "Could not open file");
1028         return ret;
1029     }
1030
1031     // Parse file data
1032     struct json_tokener *tokener = json_tokener_new();
1033     enum json_tokener_error json_error;
1034     char buffer[input_size];
1035     int block_cnt = 1;
1036     while (1) {
1037         size_t len = fread(buffer, sizeof(char), input_size, fp);
1038         *obj = json_tokener_parse_ex(tokener, buffer, len);
1039         if (nullptr != *obj) {
1040             HMI_DEBUG("wm:jh", "File input is success");
1041             ret = 0;
1042             break;
1043         }
1044
1045         json_error = json_tokener_get_error(tokener);
1046         if ((json_tokener_continue != json_error)
1047             || (input_size > len)) {
1048             HMI_ERROR("wm:jh", "Failed to parse file (byte:%d err:%s)",
1049                       (input_size * block_cnt), json_tokener_error_desc(json_error));
1050             HMI_ERROR("wm:jh", "\n%s", buffer);
1051             *obj = nullptr;
1052             break;
1053         }
1054         block_cnt++;
1055     }
1056
1057     // Close json file
1058     fclose(fp);
1059
1060     // Free json_tokener
1061     json_tokener_free(tokener);
1062
1063     return ret;
1064 }
1065
1066 std::vector<std::string> PolicyManager::parseString(std::string str, char delimiter) {
1067     // Parse string by delimiter
1068     std::vector<std::string> vct;
1069     std::stringstream ss{str};
1070     std::string buf;
1071     while (std::getline(ss, buf, delimiter)) {
1072       if (!buf.empty()) {
1073         vct.push_back(buf);
1074       }
1075     }
1076     return vct;
1077 }
1078
1079 std::string PolicyManager::deleteSpace(std::string str) {
1080     std::string ret = str;
1081     size_t pos;
1082     while ((pos = ret.find_first_of(" ")) != std::string::npos) {
1083       ret.erase(pos, 1);
1084     }
1085     return ret;
1086 }
1087
1088 const char* kDefaultRoleDb = "{ \
1089     \"roles\":[ \
1090     { \
1091         \"category\": \"homescreen\", \
1092         \"role\": \"homescreen\", \
1093         \"area\": \"full\", \
1094     }, \
1095     { \
1096         \"category\": \"map\", \
1097         \"role\": \"map\", \
1098         \"area\": \"full | normal | split.main\", \
1099     }, \
1100     { \
1101         \"category\": \"general\", \
1102         \"role\": \"poi | music | video | browser | sdl | settings | mixer | radio | hvac | dashboard | debug\", \
1103         \"area\": \"normal\", \
1104     }, \
1105     { \
1106         \"category\": \"phone\", \
1107         \"role\": \"phone\", \
1108         \"area\": \"normal\", \
1109     }, \
1110     { \
1111         \"category\": \"splitable\", \
1112         \"role\": \"splitable1 | splitable2\", \
1113         \"area\": \"normal | split.main | split.sub\", \
1114     }, \
1115     { \
1116         \"category\": \"popup\", \
1117         \"role\": \"popup\", \
1118         \"area\": \"on_screen\", \
1119     }, \
1120     { \
1121         \"category\": \"system_alert\", \
1122         \"role\": \"system_alert\", \
1123         \"area\": \"on_screen\", \
1124     }, \
1125     { \
1126         \"category\": \"tbt\", \
1127         \"role\": \"tbt\", \
1128         \"area\": \"hud\", \
1129     } \
1130     ] \
1131 }";
1132
1133
1134 const char* kDefaultLayoutDb = "{ \
1135     \"layouts\": [ \
1136         { \
1137             \"name\": \"pu\", \
1138             \"layer\": \"on_screen\", \
1139             \"areas\": [ \
1140                 { \
1141                     \"name\": \"pop_up\", \
1142                     \"role\": \"incomming_call\" \
1143                 } \
1144             ] \
1145         }, \
1146         { \
1147             \"name\": \"sa\", \
1148             \"layer\": \"on_screen\", \
1149             \"areas\": [ \
1150                 { \
1151                     \"name\": \"system_alert\", \
1152                     \"role\": \"system_alert\" \
1153                 } \
1154             ] \
1155         }, \
1156         { \
1157             \"name\": \"m1\", \
1158             \"layer\": \"apps\", \
1159             \"areas\": [ \
1160                 { \
1161                     \"name\": \"normal\", \
1162                     \"role\": \"map\" \
1163                 } \
1164             ] \
1165         }, \
1166         { \
1167             \"name\": \"m2\", \
1168             \"layer\": \"apps\", \
1169             \"areas\": [ \
1170                 { \
1171                     \"name\": \"split.main\", \
1172                     \"role\": \"map\" \
1173                 }, \
1174                 { \
1175                     \"name\": \"split.sub\", \
1176                     \"category\": \"hvac\" \
1177                 } \
1178             ] \
1179         }, \
1180         { \
1181             \"name\": \"mf\", \
1182             \"layer\": \"apps\", \
1183             \"areas\": [ \
1184                 { \
1185                     \"name\": \"full\", \
1186                     \"role\": \"map\" \
1187                 } \
1188             ] \
1189         }, \
1190         { \
1191             \"name\": \"s1\", \
1192             \"layer\": \"apps\", \
1193             \"areas\": [ \
1194                 { \
1195                     \"name\": \"normal\", \
1196                     \"category\": \"splitable\" \
1197                 } \
1198             ] \
1199         }, \
1200         { \
1201             \"name\": \"s2\", \
1202             \"layer\": \"apps\", \
1203             \"areas\": [ \
1204                 { \
1205                     \"name\": \"split.main\", \
1206                     \"category\": \"splitable\" \
1207                 }, \
1208                 { \
1209                     \"name\": \"split.sub\", \
1210                     \"category\": \"splitable\" \
1211                 } \
1212             ] \
1213         }, \
1214         { \
1215             \"name\": \"g\", \
1216             \"layer\": \"apps\", \
1217             \"areas\": [ \
1218                 { \
1219                     \"name\": \"normal\", \
1220                     \"category\": \"general\" \
1221                 } \
1222             ] \
1223         }, \
1224         { \
1225             \"name\": \"hs\", \
1226             \"layer\": \"homescreen\", \
1227             \"areas\": [ \
1228                 { \
1229                     \"name\": \"full\", \
1230                     \"role\": \"homescreen\" \
1231                 } \
1232             ] \
1233         } \
1234     ], \
1235     \"areas\": [ \
1236         { \
1237             \"name\": \"normal\", \
1238             \"rect\": { \
1239                 \"x\": 0, \
1240                 \"y\": 218, \
1241                 \"w\": 1080, \
1242                 \"h\": 1488 \
1243             } \
1244         }, \
1245         { \
1246             \"name\": \"split.main\", \
1247             \"rect\": { \
1248                 \"x\": 0, \
1249                 \"y\": 218, \
1250                 \"w\": 1080, \
1251                 \"h\": 744 \
1252             } \
1253         }, \
1254         { \
1255             \"name\": \"split.sub\", \
1256             \"rect\": { \
1257                 \"x\": 0, \
1258                 \"y\": 962, \
1259                 \"w\": 1080, \
1260                 \"h\": 744 \
1261             } \
1262         }, \
1263         { \
1264             \"name\": \"full\", \
1265             \"rect\": { \
1266                 \"x\": 0, \
1267                 \"y\": 0, \
1268                 \"w\": 1080, \
1269                 \"h\": 1920 \
1270             } \
1271         }, \
1272         { \
1273             \"name\": \"pop_up\", \
1274             \"rect\": { \
1275                 \"x\": 0, \
1276                 \"y\": 640, \
1277                 \"w\": 1080, \
1278                 \"h\": 640 \
1279             } \
1280         }, \
1281         { \
1282             \"name\": \"system_alert\", \
1283             \"rect\": { \
1284                 \"x\": 0, \
1285                 \"y\": 640, \
1286                 \"w\": 1080, \
1287                 \"h\": 640 \
1288             } \
1289         } \
1290     ] \
1291 }";