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 <systemd/sd-event.h>
  24 #include <json-c/json.h>
  25 #include "policy_manager.hpp"
  26 #include "hmi-debug.h"
  27
  28 namespace stm {
  29 extern "C" {
  30 #include "dummy_stm.h"
  31 }
  32 } // namespace stm
  33
  34
  35 namespace pm {
  36 typedef struct AreaState {
  37     std::string name;
  38     std::string category;
  39     std::string role;
  40 } AreaState;
  41
  42 typedef std::vector<AreaState> AreaList;
  43 typedef struct LayoutState {
  44     std::string name;
  45     std::map<std::string, int> category_num;
  46     AreaList area_list;
  47     std::map<std::string, std::vector<std::string>> role_history;
  48 } LayoutState;
  49
  50 typedef struct LayerState {
  51     std::string name;
  52     LayoutState layout_state;
  53     int changed;
  54 } LayerState;
  55
  56 typedef struct CarElement {
  57     std::string state;
  58     int changed;
  59 } CarElement;
  60
  61 struct sd_event* event_loop;
  62 std::map<int, struct sd_event_source*> event_source_list;
  63 std::map<int, std::string> g_req_role_list;
  64 PolicyManager::CallbackTable callback;
  65
  66 std::unordered_map<std::string, CarElement> g_prv_car_elements;
  67 std::unordered_map<std::string, CarElement> g_crr_car_elements;
  68
  69 std::unordered_map<std::string, LayerState> g_prv_layers;
  70 std::unordered_map<std::string, LayerState> g_crr_layers;
  71
  72 std::unordered_map<std::string, LayerState> g_prv_layers_car_stop;
  73
  74 std::unordered_map<std::string, LayoutState> g_default_layouts;
  75 }  // namespace pm
  76
  77
  78 PolicyManager::PolicyManager() :
  79   eventname2no(),
  80   categoryname2no(),
  81   areaname2no(),
  82   role2category(),
  83   category2role(),
  84   role2defaultarea()
  85 {
  86     HMI_DEBUG("wm:pm", "Call");
  87 }
  88
  89 int PolicyManager::initialize() {
  90     HMI_DEBUG("wm:pm", "Call");
  91
  92     int ret = 0;
  93
  94     // Create convert map
  95     for (int i = stm::gStmEventNoMin; i <= stm::gStmEventNoMax; i++) {
  96         HMI_DEBUG("wm:pm", "event name:%s no:%d", stm::gStmEventName[i], stm::gStmEventNo[i]);
  97         this->eventname2no[stm::gStmEventName[i]] = stm::gStmEventNo[i];
  98     }
  99
 100     for (int i = stm::gStmCategoryNoMin; i <= stm::gStmCategoryNoMax; i++) {
 101         HMI_DEBUG("wm:pm", "category name:%s no:%d", stm::gStmCategoryName[i], stm::gStmCategoryNo[i]);
 102         this->categoryname2no[stm::gStmCategoryName[i]] = stm::gStmCategoryNo[i];
 103     }
 104
 105     for (int i = stm::gStmAreaNoMin; i <= stm::gStmAreaNoMax; i++) {
 106         HMI_DEBUG("wm:pm", "area name:%s no:%d", stm::gStmAreaName[i], stm::gStmAreaNo[i]);
 107         this->areaname2no[stm::gStmAreaName[i]] = stm::gStmAreaNo[i];
 108     }
 109
 110     // Load role.db
 111     ret = this->loadRoleDb();
 112     if (0 > ret) {
 113         HMI_ERROR("wm:pm", "Load role.db Error!!");
 114         return ret;
 115     }
 116
 117     // Load layout.db
 118     ret = this->loadLayoutDb();
 119     if (0 > ret) {
 120         HMI_ERROR("wm:pm", "Load layout.db Error!!");
 121         return ret;
 122     }
 123
 124     // Initialize state which is managed by PolicyManager
 125     this->initializeLocalState();
 126
 127     // Initialize StateTransitioner
 128     stm::stmInitialize();
 129
 130     // Initialize sd_event loop
 131     ret = this->initializeSdEventLoop();
 132     if (0 > ret) {
 133         HMI_ERROR("wm:pm", "Failed to initializeSdEventLoop!!");
 134         return ret;
 135     }
 136
 137     return ret;
 138 }
 139
 140 static void initializeLocalCarElementState() {
 141     pm::CarElement init_car_ele;
 142     init_car_ele.state   = "none";
 143     init_car_ele.changed = 0;
 144
 145     for (int i = stm::gStmCarElementNoMin; i <= stm::gStmCarElementNoMax; i++) {
 146         const char* car_ele_name = stm::gStmCarElementName[i];
 147         pm::g_crr_car_elements[car_ele_name] = init_car_ele;
 148     }
 149
 150     pm::g_prv_car_elements = pm::g_crr_car_elements;
 151 }
 152
 153 static void initializeLocalLayerState() {
 154     pm::AreaState init_area;
 155     pm::LayoutState init_layout;
 156     init_area.name     = stm::gStmAreaName[stm::gStmAreaNoNone];
 157     init_area.category = "";
 158     init_area.role     = "";
 159     init_layout.name   = stm::gStmLayoutName[stm::gStmLayoutNoNone];
 160     init_layout.area_list.push_back(init_area);
 161
 162     for (int i = stm::gStmLayerNoMin; i <= stm::gStmLayerNoMax; i++) {
 163         const char* layer_name = stm::gStmLayerName[i];
 164         pm::g_crr_layers[layer_name].name         = layer_name;
 165         pm::g_crr_layers[layer_name].layout_state = init_layout;
 166         pm::g_crr_layers[layer_name].changed      = 0;
 167     }
 168
 169     pm::g_prv_layers = pm::g_crr_layers;
 170 }
 171
 172 void PolicyManager::initializeLocalState() {
 173     initializeLocalCarElementState();
 174     initializeLocalLayerState();
 175 }
 176
 177 int PolicyManager::initializeSdEventLoop() {
 178     // Get default event loop object
 179     int ret = sd_event_new(&(pm::event_loop));
 180     if (0 > ret) {
 181         HMI_ERROR("wm:pm", "Faild to sd_event_default: errno:%d", ret);
 182         return -1;
 183     }
 184
 185     // Create thread for sd_event and detach
 186     std::thread sd_event_loop([this]() {
 187         while (1) {
 188             sd_event_run(pm::event_loop, 1000);
 189         }
 190     });
 191     sd_event_loop.detach();
 192
 193     return 0;
 194 }
 195
 196 static void addStateToJson(
 197   const char* name, int changed, std::string state, json_object** json_out) {
 198     if ((nullptr == name) || (1 < changed) || (nullptr == json_out)) {
 199         HMI_ERROR("wm:pm", "Invalid argument!!!");
 200         return;
 201     }
 202
 203     json_object_object_add(*json_out, "name", json_object_new_string(name));
 204     json_object_object_add(*json_out, "state", json_object_new_string(state.c_str()));
 205     json_object_object_add(*json_out, "changed", json_object_new_boolean(changed));
 206 }
 207
 208 static void addStateToJson(const char* layer_name, unsigned int changed,
 209                            pm::AreaList area_list, json_object** json_out) {
 210     if ((nullptr == layer_name) || (1 < changed) || (nullptr == json_out)) {
 211         HMI_ERROR("wm:pm", "Invalid argument!!!");
 212         return;
 213     }
 214
 215     json_object* json_areas = json_object_new_array();
 216     json_object* json_tmp;
 217     for (pm::AreaState as : area_list) {
 218         json_tmp = json_object_new_object();
 219         json_object_object_add(json_tmp, "name", json_object_new_string(as.name.c_str()));
 220         json_object_object_add(json_tmp, "role", json_object_new_string(as.role.c_str()));
 221         json_object_array_add(json_areas, json_tmp);
 222     }
 223
 224     json_object_object_add(*json_out, "name", json_object_new_string(layer_name));
 225     json_object_object_add(*json_out, "changed", json_object_new_boolean(changed));
 226     json_object_object_add(*json_out, "areas", json_areas);
 227 }
 228
 229 static void updateLocalCarElementState(stm::stm_state_t crr_state) {
 230     int car_state_no;
 231     std::string car_state;
 232     bool changed;
 233
 234     // Store previous layers
 235     pm::g_prv_car_elements = pm::g_crr_car_elements;
 236
 237     // Update car elements
 238     HMI_DEBUG("wm:pm", ">>> CAR ELEMENT");
 239     for (int car_ele_no = stm::gStmCarElementNoMin;
 240          car_ele_no <= stm::gStmCarElementNoMax; car_ele_no++) {
 241         const char* car_ele_name = stm::gStmCarElementName[car_ele_no];
 242
 243         car_state_no = crr_state.car_element[car_ele_no].state;
 244         car_state = stm::gStmCarStateNameList[car_ele_no][car_state_no];
 245         changed = crr_state.car_element[car_ele_no].is_changed;
 246
 247         pm::g_crr_car_elements[car_ele_name].state = car_state;
 248         pm::g_crr_car_elements[car_ele_name].changed = changed;
 249
 250         HMI_DEBUG("wm:pm", ">>> >>> NAME: %s", car_ele_name);
 251         HMI_DEBUG("wm:pm", ">>> >>> >>> STATE:%s", car_state.c_str());
 252         HMI_DEBUG("wm:pm", ">>> >>> >>> CHANGED:%d", changed);
 253     }
 254 }
 255
 256 static void updateLocalLayerState(int event_data, stm::stm_state_t crr_state) {
 257     int event_no, category_no, area_no;
 258
 259     event_no    = (event_data & STM_MSK_EVT_NO) - 1;
 260     category_no = ((event_data & STM_MSK_CTG_NO) >> 8) - 1;
 261     area_no     = ((event_data & STM_MSK_ARA_NO) >> 16) - 1;
 262
 263     std::string req_evt = std::string(stm::gStmEventName[event_no]);
 264     std::string req_ctg = std::string(stm::gStmCategoryName[category_no]);
 265     std::string req_area = std::string(stm::gStmAreaName[area_no]);
 266     std::string req_role = pm::g_req_role_list[event_data];
 267     HMI_DEBUG("wm:pm", "REQ: event:%s role:%s category:%s area:%s",
 268         req_evt.c_str(), req_role.c_str(), req_ctg.c_str(), req_area.c_str());
 269
 270     // Store previous layers
 271     pm::g_prv_layers = pm::g_crr_layers;
 272
 273     // Update layers
 274     for (int layer_no = stm::gStmLayerNoMin;
 275          layer_no <= stm::gStmLayerNoMax; layer_no++) {
 276         const char* layer_name = stm::gStmLayerName[layer_no];
 277         HMI_DEBUG("wm:pm", "LAYER:%s", layer_name);
 278
 279 #if 1
 280         // If restriction mode is changed off -> on,
 281         // store current state for state of restriction mode off
 282         if ((crr_state.car_element[stm::gStmCarElementNoRestrictionMode].is_changed)
 283             && (stm::gStmRestrictionModeStateNoOn == crr_state.car_element[stm::gStmCarElementNoRestrictionMode].state)) {
 284             HMI_DEBUG("wm:lm", "Store current state for state of restriction mode off");
 285             pm::g_prv_layers_car_stop[layer_name] = pm::g_crr_layers[layer_name];
 286         }
 287 #else
 288         // If car state is changed car_stop -> car_run,
 289         // store current state for state of car stop
 290         if ((crr_state.car.is_changed)
 291             && (stm::gStmRunningNoRun == crr_state.car.state)) {
 292             HMI_DEBUG("wm:lm", "Store current state for state of car stop");
 293             pm::g_prv_layers_car_stop[layer_name] = pm::g_crr_layers[layer_name];
 294         }
 295 #endif
 296
 297
 298         // This layer is changed?
 299         if (crr_state.layer[layer_no].is_changed) {
 300             // Get previous layout name of this layer
 301             pm::LayoutState prv_layout_state =  pm::g_prv_layers[layer_name].layout_state;
 302             std::string prv_layout_name = prv_layout_state.name;
 303
 304             // Get current layout name of this layer
 305             int crr_layout_state_no =  crr_state.layer[layer_no].state;
 306             std::string crr_layout_name = std::string(stm::gStmLayoutName[crr_layout_state_no]);
 307
 308             pm::LayoutState crr_layout_state;
 309 #if 1
 310             if ((crr_state.car_element[stm::gStmCarElementNoRestrictionMode].is_changed)
 311                 && (stm::gStmRestrictionModeStateNoOff == crr_state.car_element[stm::gStmCarElementNoRestrictionMode].state)) {
 312                 // If restriction mode is changed on -> off,
 313                 // restore state of restriction mode off
 314                 HMI_DEBUG("wm:lm", "Restriction mode is changed on -> off, so restore state of restriction mode off");
 315                 crr_layout_state = pm::g_prv_layers_car_stop[layer_name].layout_state;
 316 #else
 317             if ((crr_state.car_element[gStmCarElementNoRunning].is_changed)
 318                 && (stm::gStmCarElementNoStop == crr_state.car_element[gStmCarElementNoRunning].state)) {
 319                 // If car state is changed car_run -> car_stop,
 320                 // restore state of car stop
 321                 HMI_DEBUG("wm:lm", "Car state is changed car_run -> car_stop, so restore state of car stop");
 322                 crr_layout_state = pm::g_prv_layers_car_stop[layer_name].layout_state;
 323 #endif
 324             }
 325             else {
 326                 // Copy previous layout state for current
 327                 crr_layout_state = prv_layout_state;
 328
 329                 if (prv_layout_name == crr_layout_name) {
 330                     HMI_DEBUG("wm:lm", "Previous layout is same with current");
 331                 }
 332                 else {
 333                     // If previous layout is NOT same with current,
 334                     // current areas is set with default value
 335                     HMI_DEBUG("wm:lm", "Previous layout is NOT same with current");
 336                     crr_layout_state.name         = pm::g_default_layouts[crr_layout_name].name;
 337                     crr_layout_state.category_num = pm::g_default_layouts[crr_layout_name].category_num;
 338                     crr_layout_state.area_list    = pm::g_default_layouts[crr_layout_name].area_list;
 339                 }
 340
 341                 // Create candidate list
 342                 std::map<std::string, pm::AreaList> cand_list;
 343                 for (int ctg_no=stm::gStmCategoryNoMin;
 344                      ctg_no<=stm::gStmCategoryNoMax; ctg_no++) {
 345                     const char* ctg = stm::gStmCategoryName[ctg_no];
 346                     HMI_DEBUG("wm:pm", "ctg:%s", ctg);
 347
 348                     // Create candidate list for category from the previous displayed categories
 349                     pm::AreaList tmp_cand_list;
 350                     for (pm::AreaState area_state : prv_layout_state.area_list) {
 351                         if (std::string(ctg) == area_state.category) {
 352                             // If there is the category which is same with new category in previous layout,
 353                             // push it to list
 354                             HMI_DEBUG("wm:pm", "Push to candidate list category:%s role:%s",
 355                                       area_state.category.c_str(), area_state.role.c_str());
 356                             tmp_cand_list.push_back(area_state);
 357                         }
 358                     }
 359
 360                     int candidate_num = prv_layout_state.category_num[ctg];
 361                     int blank_num = crr_layout_state.category_num[ctg];
 362                     HMI_DEBUG("wm:pm", "blank_num:%d candidate_num:%d", blank_num, candidate_num);
 363
 364                     // If requested event is "activate"
 365                     // and there are requested category and area,
 366                     // update area with requested role in current layout.
 367                     bool request_for_this_layer = false;
 368                     bool updated = false;
 369                     if ((ctg == req_ctg) && ("activate" == req_evt) ) {
 370                         HMI_DEBUG("wm:pm", "requested event is activate");
 371                         for (pm::AreaState &as : crr_layout_state.area_list) {
 372                             if (as.category == req_ctg) {
 373                                 request_for_this_layer = true;
 374
 375                                 if (as.name == req_area) {
 376                                     HMI_DEBUG("wm:pm", "Update current layout: area:%s category:%s role:%s",
 377                                               as.name.c_str(), as.category.c_str(), as.role.c_str());
 378                                     as.role = req_role;
 379                                     blank_num--;
 380                                     updated = true;
 381                                     break;
 382                                 }
 383                             }
 384                         }
 385
 386                         // If NOT updated: there is not requested area in new layout,
 387                         // so push requested role to candidate list
 388                         if (request_for_this_layer && (!updated)) {
 389                             HMI_DEBUG("wm:pm", "Push request to candidate list");
 390                             pm::AreaState area_state;
 391                             area_state.name = req_area;
 392                             area_state.category = req_ctg;
 393                             area_state.role = req_role;
 394                             tmp_cand_list.push_back(area_state);
 395                         }
 396                     }
 397
 398                     // Compare number of candidate/blank,
 399                     // And remove role in order of the oldest as necessary
 400                     if (candidate_num < blank_num) {
 401                         // Refer history stack
 402                         // and add to the top of tmp_cand_list in order to the newest
 403                         while (candidate_num != blank_num) {
 404                             pm::AreaState area_state;
 405                             area_state.name = "";
 406                             area_state.category = ctg;
 407                             if (0 != crr_layout_state.role_history[ctg].size()) {
 408                                 HMI_ERROR("wm:pm", "Use role in history stack:%s",
 409                                           crr_layout_state.role_history[ctg].back().c_str());
 410                                 area_state.role = crr_layout_state.role_history[ctg].back();
 411                                 crr_layout_state.role_history[ctg].pop_back();
 412                             }
 413                             else {
 414                                 HMI_ERROR("wm:pm", "There is no role in history stack!!");
 415                                 area_state.role = "";
 416                             }
 417                             tmp_cand_list.push_back(area_state);
 418                             candidate_num++;
 419                         }
 420                     }
 421                     else if (candidate_num > blank_num) {
 422                         HMI_DEBUG("wm:pm", "candidate_num > blank_num");
 423
 424                         // Remove the oldest role from candidate list
 425                         while (candidate_num != blank_num) {
 426                             std::string removed_role = tmp_cand_list.begin()->role;
 427                             HMI_DEBUG("wm:pm", "Remove the oldest data(role:%s) from tmp_cand_list",
 428                                       removed_role.c_str());
 429                             tmp_cand_list.erase(tmp_cand_list.begin());
 430                             candidate_num--;
 431
 432                             // Push removed data to history stack
 433                             crr_layout_state.role_history[ctg].push_back(removed_role);
 434                         }
 435                     }
 436                     else {  // (candidate_num == blank_num)
 437                         // nop
 438                     }
 439
 440                     cand_list[ctg] = tmp_cand_list;
 441                 }
 442
 443                 // Update areas
 444                 for (pm::AreaState &as : crr_layout_state.area_list) {
 445                     HMI_DEBUG("wm:pm", "Current area info area:%s category:%s",
 446                               as.name.c_str(), as.category.c_str());
 447                     if ("" == as.role) {
 448                         HMI_DEBUG("wm:pm", "Update this area with role:%s",
 449                                   cand_list[as.category].begin()->role.c_str());
 450                         as.role = cand_list[as.category].begin()->role;
 451                         cand_list[as.category].erase(cand_list[as.category].begin());
 452                     }
 453                 }
 454             }
 455             // Update current layout of this layer
 456             pm::g_crr_layers[layer_name].layout_state = crr_layout_state;
 457             pm::g_crr_layers[layer_name].changed = crr_state.layer[layer_no].is_changed;
 458         }
 459     }
 460
 461     // Erase role for the event_data from list
 462     pm::g_req_role_list.erase(event_data);
 463
 464     // Check
 465     for (auto itr : pm::g_crr_layers) {
 466         pm::LayerState ls = itr.second;
 467         HMI_DEBUG("wm:pm", ">>> LAYER:%s",ls.name.c_str());
 468         HMI_DEBUG("wm:pm", ">>> >>> LAYOUT:%s", ls.layout_state.name.c_str());
 469
 470         for (pm::AreaState as : ls.layout_state.area_list) {
 471             HMI_DEBUG("wm:pm", ">>> >>> >>> AREA:%s", as.name.c_str());
 472             HMI_DEBUG("wm:pm", ">>> >>> >>> >>> CTG:%s", as.category.c_str());
 473             HMI_DEBUG("wm:pm", ">>> >>> >>> >>> ROLE:%s", as.role.c_str());
 474         }
 475         HMI_DEBUG("wm:pm", ">>> >>> CHANGED:%d", ls.changed);
 476     }
 477 }
 478
 479 static void updateLocalState(int event_data, stm::stm_state_t crr_state) {
 480     updateLocalCarElementState(crr_state);
 481     updateLocalLayerState(event_data, crr_state);
 482 }
 483
 484 static void createOutputInformation(stm::stm_state_t crr_state, json_object **json_out) {
 485     json_object* json_tmp;
 486
 487     // Create car element information
 488     // {
 489     //     "car_elements": [
 490     //     {
 491     //         "parking_brake": {
 492     //             "is_changed": <bool>,
 493     //             "state": <const char*>
 494     //         },
 495     //         ...
 496     //     },
 497     json_object* json_car_ele = json_object_new_array();
 498     const char* car_ele_name;
 499     for (int car_ele_no = stm::gStmCarElementNoMin;
 500          car_ele_no <= stm::gStmCarElementNoMax; car_ele_no++) {
 501         car_ele_name = stm::gStmCarElementName[car_ele_no];
 502         json_tmp = json_object_new_object();
 503         addStateToJson(car_ele_name,
 504                        pm::g_crr_car_elements[car_ele_name].changed,
 505                        pm::g_crr_car_elements[car_ele_name].state,
 506                        &json_tmp);
 507         json_object_array_add(json_car_ele, json_tmp);
 508     }
 509     json_object_object_add(*json_out, "car_elements", json_car_ele);
 510
 511     // Create layout information
 512     //
 513     //     "layers": [
 514     //     {
 515     //         "homescreen": {
 516     //             "changed": <bool>,
 517     //             "areas": [
 518     //             {
 519     //                 "name":<const char*>,
 520     //                 "role":<const char*>
 521     //             }.
 522     //             ...
 523     //             ]
 524     //         }
 525     //     },
 526     //     ...
 527     json_object* json_layer = json_object_new_array();
 528     const char* layer_name;
 529     for (int layer_no = stm::gStmLayerNoMin;
 530          layer_no <= stm::gStmLayerNoMax; layer_no++) {
 531         layer_name = stm::gStmLayerName[layer_no];
 532         json_tmp = json_object_new_object();
 533         addStateToJson(layer_name,
 534                        pm::g_crr_layers[layer_name].changed,
 535                        pm::g_crr_layers[layer_name].layout_state.area_list,
 536                        &json_tmp);
 537         json_object_array_add(json_layer, json_tmp);
 538     }
 539     json_object_object_add(*json_out, "layers", json_layer);
 540 }
 541
 542 static int checkPolicyEntry(int event, uint64_t delay_ms, std::string role);
 543 static void controlTimerEvent(stm::stm_state_t crr_state) {
 544     if (crr_state.car_element[stm::gStmCarElementNoRunning].is_changed) {
 545         if (stm::gStmRunningNoRun == crr_state.car_element[stm::gStmCarElementNoRunning].state) {
 546             // Set delay event(restriction mode on)
 547             checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_ON, 3000, "");
 548         }
 549         else if (stm::gStmRunningNoStop == crr_state.car_element[stm::gStmCarElementNoRunning].state) {
 550             // Stop timer for restriction on event
 551             if (pm::event_source_list.find(STM_EVT_NO_RESTRICTION_MODE_ON)
 552               != pm::event_source_list.end()) {
 553                 HMI_DEBUG("wm:pm", "Stop timer for restriction on");
 554                 sd_event_source *event_source
 555                     = pm::event_source_list[STM_EVT_NO_RESTRICTION_MODE_ON];
 556                 int ret = sd_event_source_set_enabled(event_source, SD_EVENT_OFF);
 557                 if (0 > ret) {
 558                     HMI_ERROR("wm:pm", "Failed to stop timer");
 559                 }
 560             }
 561
 562             // Set event(restriction mode off)
 563             checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_OFF, 0, "");
 564         }
 565     }
 566 }
 567
 568 static int checkPolicy(sd_event_source *source, void *data) {
 569     HMI_DEBUG("wm:pm", "Call");
 570     HMI_DEBUG("wm:pm", ">>>>>>>>>> START CHECK POLICY");
 571
 572     int event_data = *((int*)data);
 573
 574     int event_no, category_no, area_no;
 575     event_no    = (event_data & STM_MSK_EVT_NO) - 1;
 576     category_no = ((event_data & STM_MSK_CTG_NO) >> 8) - 1;
 577     area_no     = ((event_data & STM_MSK_ARA_NO) >> 16) - 1;
 578     HMI_DEBUG("wm:pm", ">>>>>>>>>> event:%s category:%s area:%s",
 579               stm::gStmEventName[event_no],
 580               stm::gStmCategoryName[category_no],
 581               stm::gStmAreaName[area_no]);
 582
 583     // Transition state
 584     stm::stm_state_t crr_state;
 585     int ret = stm::stmTransitionState(event_data, &crr_state);
 586     if (0 > ret) {
 587         HMI_ERROR("wm:pm", "Failed transition state");
 588         if (nullptr != pm::callback.onError) {
 589             json_object* json_out = json_object_new_object();
 590             json_object_object_add(json_out, "message",
 591                                    json_object_new_string("Failed to transition state"));
 592             json_object_object_add(json_out, "event",
 593                                    json_object_new_string(stm::gStmEventName[event_no]));
 594             json_object_object_add(json_out, "role",
 595                                    json_object_new_string(pm::g_req_role_list[event_data].c_str()));
 596             json_object_object_add(json_out, "area",
 597                                    json_object_new_string(stm::gStmAreaName[area_no]));
 598             pm::callback.onError(json_out);
 599             json_object_put(json_out);
 600         }
 601         return -1;
 602     }
 603
 604     // Update state which is managed by PolicyManager
 605     updateLocalState(event_data, crr_state);
 606
 607     // Create output information for ResourceManager
 608     json_object* json_out = json_object_new_object();
 609     createOutputInformation(crr_state, &json_out);
 610
 611     // Notify changed state
 612     if (nullptr != pm::callback.onStateTransitioned) {
 613         pm::callback.onStateTransitioned(json_out);
 614     }
 615
 616     // Start/Stop timer events
 617     controlTimerEvent(crr_state);
 618
 619     // Release json_object
 620     json_object_put(json_out);
 621
 622     // Release data
 623     delete (int*)data;
 624
 625     // Destroy sd_event_source object
 626     sd_event_source_unref(source);
 627
 628     // Remove event source from list
 629     if (pm::event_source_list.find(event_data) != pm::event_source_list.end()) {
 630         pm::event_source_list.erase(event_data);
 631     }
 632
 633     HMI_DEBUG("wm:pm", ">>>>>>>>>> FINISH CHECK POLICY");
 634     return 0;
 635 }
 636
 637 static int timerEvent(sd_event_source *source, uint64_t usec, void *data) {
 638     HMI_DEBUG("wm:pm", "Call");
 639
 640     int ret = checkPolicy(source, data);
 641     return ret;
 642 }
 643
 644 static int checkPolicyEntry(int event, uint64_t delay_ms, std::string role)
 645 {
 646     HMI_DEBUG("wm:pm", "Call");
 647     HMI_DEBUG("wm:pm", "event:0x%x delay:%d role:%s", event, delay_ms, role.c_str());
 648
 649     // Store requested role
 650     pm::g_req_role_list[event] = role;
 651
 652     if (0 == delay_ms) {
 653         int ret = sd_event_add_defer(pm::event_loop, NULL,
 654                                      &checkPolicy, new int(event));
 655         if (0 > ret) {
 656             HMI_ERROR("wm:pm", "Faild to sd_event_add_defer: errno:%d", ret);
 657             pm::g_req_role_list.erase(event);
 658             return -1;
 659         }
 660     }
 661     else {
 662         // Get current time
 663         struct timespec time_spec;
 664         clock_gettime(CLOCK_MONOTONIC, &time_spec);
 665
 666         // Calculate timer fired time
 667         uint64_t usec = (time_spec.tv_sec * 1000000)
 668             + (time_spec.tv_nsec / 1000)
 669             + (delay_ms * 1000);
 670
 671         // Set timer
 672         struct sd_event_source* event_source;
 673         int ret = sd_event_add_time(pm::event_loop, &event_source, CLOCK_MONOTONIC, usec, 1,
 674                                     &timerEvent, new int(event));
 675         if (0 > ret) {
 676             HMI_ERROR("wm:pm", "Faild to sd_event_add_time: errno:%d", ret);
 677             pm::g_req_role_list.erase(event);
 678             return -1;
 679         }
 680
 681         // Store event source
 682         pm::event_source_list[event] = event_source;
 683     }
 684
 685     return 0;
 686 }
 687
 688 void PolicyManager::registerCallback(CallbackTable callback) {
 689     HMI_DEBUG("wm:pm", "Call");
 690
 691     pm::callback.onStateTransitioned = callback.onStateTransitioned;
 692     pm::callback.onError             = callback.onError;
 693 }
 694
 695 int PolicyManager::setInputEventData(json_object* json_in) {
 696     HMI_DEBUG("wm:pm", "Call");
 697
 698     // Check arguments
 699     if (nullptr == json_in) {
 700         HMI_ERROR("wm:pm", "Argument is NULL!!");
 701         return -1;
 702     }
 703
 704     // Get event from json_object
 705     const char* event = this->getStringFromJson(json_in, "event");
 706     int event_no = 0;
 707     if (nullptr != event) {
 708         // Convert name to number
 709         event_no = this->eventname2no[event];
 710         HMI_DEBUG("wm:pm", "event(%s:%d)", event, event_no);
 711     }
 712
 713     // Get role from json_object
 714     const char* role = this->getStringFromJson(json_in, "role");
 715     int category_no = 0;
 716     if (nullptr != role) {
 717         HMI_DEBUG("wm:pm", "role(%s)", role);
 718
 719         // Convert role to category
 720         const char* category = this->role2category[role].c_str();
 721         if (0 == strcmp("", category)) {
 722             HMI_ERROR("wm:pm", "Error!!");
 723             return -1;
 724         }
 725         HMI_DEBUG("wm:pm", "category(%s)", category);
 726
 727         // Convert name to number
 728         category_no = categoryname2no[category];
 729         HMI_DEBUG("wm:pm", "role(%s), category(%s:%d)", role, category, category_no);
 730     }
 731
 732     // Get areat from json_object
 733     const char* area = this->getStringFromJson(json_in, "area");
 734     int area_no = 0;
 735     if (nullptr != area) {
 736         // Convert name to number
 737         area_no = areaname2no[area];
 738         HMI_DEBUG("wm:pm", "area(%s:%d)", area, area_no);
 739     }
 740
 741     // Set event info to the queue
 742     EventInfo event_info;
 743     event_info.event = (event_no | category_no | area_no);
 744     if (nullptr == role) {
 745         event_info.role = std::string("");
 746     }
 747     else {
 748         event_info.role = std::string(role);
 749     }
 750     event_info.delay = 0;
 751     this->event_info_queue.push(event_info);
 752
 753     return 0;
 754 }
 755
 756 int PolicyManager::executeStateTransition() {
 757     HMI_DEBUG("wm:pm", "Call");
 758
 759     int ret;
 760     EventInfo event_info;
 761
 762     while (!this->event_info_queue.empty()) {
 763         // Get event info from queue and delete
 764         event_info = this->event_info_queue.front();
 765         this->event_info_queue.pop();
 766
 767         // Set event info for checking policy
 768         ret = checkPolicyEntry(event_info.event, event_info.delay, event_info.role);
 769     }
 770     return ret;
 771 }
 772
 773 void PolicyManager::undoState() {
 774     HMI_DEBUG("wm:pm", "Call");
 775
 776     // Undo state of STM
 777     stm::stmUndoState();
 778
 779     pm::g_crr_layers = pm::g_prv_layers;
 780 }
 781
 782 extern const char* kDefaultRoleDb;
 783 int PolicyManager::loadRoleDb() {
 784     HMI_DEBUG("wm:pm", "Call");
 785
 786     std::string file_name;
 787
 788     // Get afm application installed dir
 789     char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
 790     HMI_DEBUG("wm:pm", "afm_app_install_dir:%s", afm_app_install_dir);
 791
 792     if (!afm_app_install_dir) {
 793         HMI_ERROR("wm:pm", "AFM_APP_INSTALL_DIR is not defined");
 794     }
 795     else {
 796         file_name = std::string(afm_app_install_dir) + std::string("/etc/role.db");
 797     }
 798
 799     // Load role.db
 800     json_object* json_obj;
 801     int ret = this->inputJsonFilie(file_name.c_str(), &json_obj);
 802     if (0 > ret) {
 803         HMI_ERROR("wm:pm", "Could not open role.db, so use default role information");
 804         json_obj = json_tokener_parse(kDefaultRoleDb);
 805     }
 806     HMI_DEBUG("wm:pm", "json_obj dump:%s", json_object_get_string(json_obj));
 807
 808     json_object* json_roles;
 809     if (!json_object_object_get_ex(json_obj, "roles", &json_roles)) {
 810         HMI_ERROR("wm:pm", "Parse Error!!");
 811         return -1;
 812     }
 813
 814     int len = json_object_array_length(json_roles);
 815     HMI_DEBUG("wm:pm", "json_cfg len:%d", len);
 816     HMI_DEBUG("wm:pm", "json_cfg dump:%s", json_object_get_string(json_roles));
 817
 818     json_object* json_tmp;
 819     const char* category;
 820     const char* roles;
 821     const char* areas;
 822     for (int i=0; i<len; i++) {
 823         json_tmp = json_object_array_get_idx(json_roles, i);
 824
 825         category = this->getStringFromJson(json_tmp, "category");
 826         roles =  this->getStringFromJson(json_tmp, "role");
 827         areas =  this->getStringFromJson(json_tmp, "area");
 828
 829         if ((nullptr == category) || (nullptr == roles) || (nullptr == areas)) {
 830             HMI_ERROR("wm:pm", "Parse Error!!");
 831             return -1;
 832         }
 833
 834         // Parse roles by '|'
 835         std::vector<std::string> vct_roles;
 836         vct_roles = this->parseString(std::string(roles), '|');
 837
 838         // Parse areas by '|'
 839         std::vector<std::string> vct_areas;
 840         vct_areas = this->parseString(std::string(areas), '|');
 841
 842         // Set role, category, default area
 843         for (auto itr = vct_roles.begin(); itr != vct_roles.end(); ++itr) {
 844             // Delete space from role and area name
 845             std::string role = this->deleteSpace(*itr);
 846             std::string area = this->deleteSpace(vct_areas[0]);
 847
 848             this->role2category[role] = std::string(category);
 849             this->role2defaultarea[role] = area;
 850         }
 851
 852         this->category2role[std::string(category)] = std::string(roles);
 853     }
 854
 855     // Check
 856     HMI_DEBUG("wm:pm", "Check role2category");
 857     for (auto& x:this->role2category){
 858         HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
 859     }
 860
 861     HMI_DEBUG("wm:pm", "Check role2defaultarea");
 862     for (auto& x:this->role2defaultarea){
 863         HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
 864     }
 865
 866     HMI_DEBUG("wm:pm", "Check category2role");
 867     for (auto& x:this->category2role){
 868         HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
 869     }
 870
 871     return 0;
 872 }
 873
 874 extern const char* kDefaultLayoutDb;
 875 int PolicyManager::loadLayoutDb() {
 876     HMI_DEBUG("wm:lm", "Call");
 877
 878     // Get afm application installed dir
 879     char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
 880     HMI_DEBUG("wm:pm", "afm_app_install_dir:%s", afm_app_install_dir);
 881
 882     std::string file_name;
 883     if (!afm_app_install_dir) {
 884         HMI_ERROR("wm:pm", "AFM_APP_INSTALL_DIR is not defined");
 885     }
 886     else {
 887         file_name = std::string(afm_app_install_dir) + std::string("/etc/layout.db");
 888     }
 889
 890     // Load layout.db
 891     json_object* json_obj;
 892     int ret = this->inputJsonFilie(file_name.c_str(), &json_obj);
 893     if (0 > ret) {
 894         HMI_DEBUG("wm:pm", "Could not open layout.db, so use default layout information");
 895         json_obj = json_tokener_parse(kDefaultLayoutDb);
 896     }
 897     HMI_DEBUG("wm:pm", "json_obj dump:%s", json_object_get_string(json_obj));
 898
 899     // Perse layouts
 900     HMI_DEBUG("wm:pm", "Perse layouts");
 901     json_object* json_cfg;
 902     if (!json_object_object_get_ex(json_obj, "layouts", &json_cfg)) {
 903         HMI_ERROR("wm:pm", "Parse Error!!");
 904         return -1;
 905     }
 906
 907     int len = json_object_array_length(json_cfg);
 908     HMI_DEBUG("wm:pm", "json_cfg len:%d", len);
 909     HMI_DEBUG("wm:pm", "json_cfg dump:%s", json_object_get_string(json_cfg));
 910
 911     const char* layout;
 912     const char* role;
 913     const char* category;
 914     for (int i=0; i<len; i++) {
 915         json_object* json_tmp = json_object_array_get_idx(json_cfg, i);
 916
 917         layout = this->getStringFromJson(json_tmp, "name");
 918         if (nullptr == layout) {
 919             HMI_ERROR("wm:pm", "Parse Error!!");
 920             return -1;
 921         }
 922         HMI_DEBUG("wm:pm", "> layout:%s", layout);
 923
 924         json_object* json_area_array;
 925         if (!json_object_object_get_ex(json_tmp, "areas", &json_area_array)) {
 926           HMI_ERROR("wm:pm", "Parse Error!!");
 927           return -1;
 928         }
 929
 930         int len_area = json_object_array_length(json_area_array);
 931         HMI_DEBUG("wm:pm", "json_area_array len:%d", len_area);
 932         HMI_DEBUG("wm:pm", "json_area_array dump:%s", json_object_get_string(json_area_array));
 933
 934         pm::LayoutState layout_state;
 935         pm::AreaState area_state;
 936         std::map<std::string, int> category_num;
 937         for (int ctg_no = stm::gStmCategoryNoMin;
 938              ctg_no <= stm::gStmCategoryNoMax; ctg_no++) {
 939             const char* ctg_name = stm::gStmCategoryName[ctg_no];
 940             category_num[ctg_name] = 0;
 941         }
 942
 943         for (int j=0; j<len_area; j++) {
 944             json_object* json_area = json_object_array_get_idx(json_area_array, j);
 945
 946             // Get area name
 947             const char* area = this->getStringFromJson(json_area, "name");
 948             if (nullptr == area) {
 949               HMI_ERROR("wm:pm", "Parse Error!!");
 950               return -1;
 951             }
 952             area_state.name = std::string(area);
 953             HMI_DEBUG("wm:pm", ">> area:%s", area);
 954
 955             // Get app attribute of the area
 956             category = this->getStringFromJson(json_area, "category");
 957             if (nullptr == category) {
 958                 HMI_ERROR("wm:pm", "Parse Error!!");
 959                 return -1;
 960             }
 961             area_state.category = std::string(category);
 962             category_num[category]++;
 963             HMI_DEBUG("wm:pm", ">>> category:%s", category);
 964
 965             role = this->getStringFromJson(json_area, "role");
 966             if (nullptr != role) {
 967                 // Role is NOT essential here
 968                 area_state.role = std::string(role);
 969             }
 970             else {
 971                 area_state.role = std::string("");
 972
 973             }
 974             HMI_DEBUG("wm:pm", ">>> role:%s", role);
 975
 976             layout_state.area_list.push_back(area_state);
 977
 978         }
 979
 980         layout_state.name = layout;
 981         layout_state.category_num = category_num;
 982         pm::g_default_layouts[layout] = layout_state;
 983     }
 984
 985     // initialize for none layout
 986     pm::LayoutState none_layout_state;
 987     memset(&none_layout_state, 0, sizeof(none_layout_state));
 988     none_layout_state.name                 = "none";
 989     pm::g_default_layouts["none"] = none_layout_state;
 990
 991     // Check
 992     for(auto itr_layout = pm::g_default_layouts.begin();
 993       itr_layout != pm::g_default_layouts.end(); ++itr_layout) {
 994         HMI_DEBUG("wm:pm", ">>> layout:%s", itr_layout->first.c_str());
 995
 996         for (auto itr_area = itr_layout->second.area_list.begin();
 997           itr_area != itr_layout->second.area_list.end(); ++itr_area) {
 998             HMI_DEBUG("wm:pm", ">>> >>> area    :%s", itr_area->name.c_str());
 999             HMI_DEBUG("wm:pm", ">>> >>> category:%s", itr_area->category.c_str());
1000             HMI_DEBUG("wm:pm", ">>> >>> role    :%s", itr_area->role.c_str());
1001         }
1002     }
1003
1004     // Release json_object
1005     json_object_put(json_obj);
1006
1007     return 0;
1008 }
1009
1010 // TODO:
1011 // This function will be removed because json_helper has same function.
1012 // json_helper should be library.
1013 const char* PolicyManager::getStringFromJson(json_object* obj, const char* key) {
1014     if ((nullptr == obj) || (nullptr == key)) {
1015         HMI_ERROR("wm:pm", "Argument is nullptr!!!");
1016         return nullptr;
1017     }
1018
1019     json_object* tmp;
1020     if (!json_object_object_get_ex(obj, key, &tmp)) {
1021         HMI_DEBUG("wm:pm", "Not found key \"%s\"", key);
1022         return nullptr;
1023     }
1024
1025     return json_object_get_string(tmp);
1026 }
1027
1028 // TODO:
1029 // This function will be removed because json_helper has same function.
1030 // json_helper should be library.
1031 int PolicyManager::inputJsonFilie(const char* file, json_object** obj) {
1032     const int input_size = 128;
1033     int ret = -1;
1034
1035     if ((nullptr == file) || (nullptr == obj)) {
1036         HMI_ERROR("wm:jh", "Argument is nullptr!!!");
1037         return ret;
1038     }
1039
1040     HMI_DEBUG("wm:jh", "Input file: %s", file);
1041
1042     // Open json file
1043     FILE *fp = fopen(file, "rb");
1044     if (nullptr == fp) {
1045         HMI_ERROR("wm:jh", "Could not open file");
1046         return ret;
1047     }
1048
1049     // Parse file data
1050     struct json_tokener *tokener = json_tokener_new();
1051     enum json_tokener_error json_error;
1052     char buffer[input_size];
1053     int block_cnt = 1;
1054     while (1) {
1055         size_t len = fread(buffer, sizeof(char), input_size, fp);
1056         *obj = json_tokener_parse_ex(tokener, buffer, len);
1057         if (nullptr != *obj) {
1058             HMI_DEBUG("wm:jh", "File input is success");
1059             ret = 0;
1060             break;
1061         }
1062
1063         json_error = json_tokener_get_error(tokener);
1064         if ((json_tokener_continue != json_error)
1065             || (input_size > len)) {
1066             HMI_ERROR("wm:jh", "Failed to parse file (byte:%d err:%s)",
1067                       (input_size * block_cnt), json_tokener_error_desc(json_error));
1068             HMI_ERROR("wm:jh", "\n%s", buffer);
1069             *obj = nullptr;
1070             break;
1071         }
1072         block_cnt++;
1073     }
1074
1075     // Close json file
1076     fclose(fp);
1077
1078     // Free json_tokener
1079     json_tokener_free(tokener);
1080
1081     return ret;
1082 }
1083
1084 std::vector<std::string> PolicyManager::parseString(std::string str, char delimiter) {
1085     // Parse string by delimiter
1086     std::vector<std::string> vct;
1087     std::stringstream ss{str};
1088     std::string buf;
1089     while (std::getline(ss, buf, delimiter)) {
1090       if (!buf.empty()) {
1091         vct.push_back(buf);
1092       }
1093     }
1094     return vct;
1095 }
1096
1097 std::string PolicyManager::deleteSpace(std::string str) {
1098     std::string ret = str;
1099     size_t pos;
1100     while ((pos = ret.find_first_of(" ")) != std::string::npos) {
1101       ret.erase(pos, 1);
1102     }
1103     return ret;
1104 }
1105
1106 const char* kDefaultRoleDb = "{ \
1107     \"roles\":[ \
1108     { \
1109         \"category\": \"homescreen\", \
1110         \"role\": \"homescreen\", \
1111         \"area\": \"full\", \
1112     }, \
1113     { \
1114         \"category\": \"map\", \
1115         \"role\": \"map\", \
1116         \"area\": \"full | normal | split.main\", \
1117     }, \
1118     { \
1119         \"category\": \"general\", \
1120         \"role\": \"poi | music | video | browser | sdl | settings | mixer | radio | hvac | dashboard | debug\", \
1121         \"area\": \"normal\", \
1122     }, \
1123     { \
1124         \"category\": \"phone\", \
1125         \"role\": \"phone\", \
1126         \"area\": \"normal\", \
1127     }, \
1128     { \
1129         \"category\": \"splitable\", \
1130         \"role\": \"splitable1 | splitable2\", \
1131         \"area\": \"normal | split.main | split.sub\", \
1132     }, \
1133     { \
1134         \"category\": \"popup\", \
1135         \"role\": \"popup\", \
1136         \"area\": \"on_screen\", \
1137     }, \
1138     { \
1139         \"category\": \"system_alert\", \
1140         \"role\": \"system_alert\", \
1141         \"area\": \"on_screen\", \
1142     }, \
1143     { \
1144         \"category\": \"tbt\", \
1145         \"role\": \"tbt\", \
1146         \"area\": \"hud\", \
1147     } \
1148     ] \
1149 }";
1150
1151
1152 const char* kDefaultLayoutDb = "{ \
1153     \"layouts\": [ \
1154         { \
1155             \"name\": \"pu\", \
1156             \"layer\": \"on_screen\", \
1157             \"areas\": [ \
1158                 { \
1159                     \"name\": \"pop_up\", \
1160                     \"role\": \"incomming_call\" \
1161                 } \
1162             ] \
1163         }, \
1164         { \
1165             \"name\": \"sa\", \
1166             \"layer\": \"on_screen\", \
1167             \"areas\": [ \
1168                 { \
1169                     \"name\": \"system_alert\", \
1170                     \"role\": \"system_alert\" \
1171                 } \
1172             ] \
1173         }, \
1174         { \
1175             \"name\": \"m1\", \
1176             \"layer\": \"apps\", \
1177             \"areas\": [ \
1178                 { \
1179                     \"name\": \"normal\", \
1180                     \"role\": \"map\" \
1181                 } \
1182             ] \
1183         }, \
1184         { \
1185             \"name\": \"m2\", \
1186             \"layer\": \"apps\", \
1187             \"areas\": [ \
1188                 { \
1189                     \"name\": \"split.main\", \
1190                     \"role\": \"map\" \
1191                 }, \
1192                 { \
1193                     \"name\": \"split.sub\", \
1194                     \"category\": \"hvac\" \
1195                 } \
1196             ] \
1197         }, \
1198         { \
1199             \"name\": \"mf\", \
1200             \"layer\": \"apps\", \
1201             \"areas\": [ \
1202                 { \
1203                     \"name\": \"full\", \
1204                     \"role\": \"map\" \
1205                 } \
1206             ] \
1207         }, \
1208         { \
1209             \"name\": \"s1\", \
1210             \"layer\": \"apps\", \
1211             \"areas\": [ \
1212                 { \
1213                     \"name\": \"normal\", \
1214                     \"category\": \"splitable\" \
1215                 } \
1216             ] \
1217         }, \
1218         { \
1219             \"name\": \"s2\", \
1220             \"layer\": \"apps\", \
1221             \"areas\": [ \
1222                 { \
1223                     \"name\": \"split.main\", \
1224                     \"category\": \"splitable\" \
1225                 }, \
1226                 { \
1227                     \"name\": \"split.sub\", \
1228                     \"category\": \"splitable\" \
1229                 } \
1230             ] \
1231         }, \
1232         { \
1233             \"name\": \"g\", \
1234             \"layer\": \"apps\", \
1235             \"areas\": [ \
1236                 { \
1237                     \"name\": \"normal\", \
1238                     \"category\": \"general\" \
1239                 } \
1240             ] \
1241         }, \
1242         { \
1243             \"name\": \"hs\", \
1244             \"layer\": \"homescreen\", \
1245             \"areas\": [ \
1246                 { \
1247                     \"name\": \"full\", \
1248                     \"role\": \"homescreen\" \
1249                 } \
1250             ] \
1251         } \
1252     ], \
1253     \"areas\": [ \
1254         { \
1255             \"name\": \"normal\", \
1256             \"rect\": { \
1257                 \"x\": 0, \
1258                 \"y\": 218, \
1259                 \"w\": 1080, \
1260                 \"h\": 1488 \
1261             } \
1262         }, \
1263         { \
1264             \"name\": \"split.main\", \
1265             \"rect\": { \
1266                 \"x\": 0, \
1267                 \"y\": 218, \
1268                 \"w\": 1080, \
1269                 \"h\": 744 \
1270             } \
1271         }, \
1272         { \
1273             \"name\": \"split.sub\", \
1274             \"rect\": { \
1275                 \"x\": 0, \
1276                 \"y\": 962, \
1277                 \"w\": 1080, \
1278                 \"h\": 744 \
1279             } \
1280         }, \
1281         { \
1282             \"name\": \"full\", \
1283             \"rect\": { \
1284                 \"x\": 0, \
1285                 \"y\": 0, \
1286                 \"w\": 1080, \
1287                 \"h\": 1920 \
1288             } \
1289         }, \
1290         { \
1291             \"name\": \"pop_up\", \
1292             \"rect\": { \
1293                 \"x\": 0, \
1294                 \"y\": 640, \
1295                 \"w\": 1080, \
1296                 \"h\": 640 \
1297             } \
1298         }, \
1299         { \
1300             \"name\": \"system_alert\", \
1301             \"rect\": { \
1302                 \"x\": 0, \
1303                 \"y\": 640, \
1304                 \"w\": 1080, \
1305                 \"h\": 640 \
1306             } \
1307         } \
1308     ] \
1309 }";