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     bool changed;
  54 } LayerState;
  55
  56 typedef struct CarElement {
  57     std::string state;
  58     bool 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 = false;
 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      = false;
 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, bool changed, std::string state, json_object** json_out) {
 198     if ((nullptr == name) || (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, bool changed,
 209                            pm::AreaList area_list, json_object** json_out) {
 210     if ((nullptr == layer_name) || (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].changed) ? true : false;
 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:%s", (changed) ? "true" : "false");
 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((event_no < 0)    ? "-" : stm::gStmEventName[event_no]);
 264     std::string req_ctg = std::string((category_no < 0) ? "-" : stm::gStmCategoryName[category_no]);
 265     std::string req_area = std::string((area_no < 0)    ? "-" : 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].changed)
 283             && (stm::gStmRestrictionModeStateNoOn == crr_state.car_element[stm::gStmCarElementNoRestrictionMode].state)) {
 284             HMI_DEBUG("wm:pm", "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.changed)
 291             && (stm::gStmRunningNoRun == crr_state.car.state)) {
 292             HMI_DEBUG("wm:pm", "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         // This layer is changed?
 298         int changed = crr_state.layer[layer_no].changed;
 299         if (changed) {
 300             HMI_DEBUG("wm:pm", "This layer is changed");
 301
 302             // Get previous layout name of this layer
 303             pm::LayoutState prv_layout_state =  pm::g_prv_layers[layer_name].layout_state;
 304             std::string prv_layout_name = prv_layout_state.name;
 305
 306             // Get current layout name of this layer
 307             int crr_layout_state_no =  crr_state.layer[layer_no].state;
 308             std::string crr_layout_name = std::string(stm::gStmLayoutName[crr_layout_state_no]);
 309
 310             pm::LayoutState crr_layout_state;
 311 #if 1
 312             if ((crr_state.car_element[stm::gStmCarElementNoRestrictionMode].changed)
 313                 && (stm::gStmRestrictionModeStateNoOff == crr_state.car_element[stm::gStmCarElementNoRestrictionMode].state)) {
 314                 // If restriction mode is changed on -> off,
 315                 // restore state of restriction mode off
 316                 HMI_DEBUG("wm:pm", "Restriction mode is changed on -> off, so restore state of restriction mode off");
 317 #else
 318             if ((crr_state.car_element[gStmCarElementNoRunning].changed)
 319                 && (stm::gStmCarElementNoStop == crr_state.car_element[gStmCarElementNoRunning].state)) {
 320                 // If car state is changed car_run -> car_stop,
 321                 // restore state of car stop
 322                 HMI_DEBUG("wm:pm", "Car state is changed car_run -> car_stop, so restore state of car stop");
 323 #endif
 324                 crr_layout_state = pm::g_prv_layers_car_stop[layer_name].layout_state;
 325                 crr_layout_name = crr_layout_state.name;
 326                 if ((prv_layout_name == crr_layout_name)
 327                     && (stm::gStmAreaName[stm::gStmAreaNoNone] == crr_layout_name)) {
 328                     changed  = 0;
 329                 }
 330             }
 331             else if ((prv_layout_name == crr_layout_name)
 332                      && (stm::gStmAreaName[stm::gStmAreaNoNone] == crr_layout_name)) {
 333                 // Copy previous layout state for current
 334                 crr_layout_state = prv_layout_state;
 335                 changed  = 0;
 336             }
 337             else {
 338                 // Copy previous layout state for current
 339                 crr_layout_state = prv_layout_state;
 340
 341                 HMI_DEBUG("wm:pm", "layout name previous:%s current:%s",
 342                           prv_layout_name.c_str(), crr_layout_name.c_str());
 343                 if (prv_layout_name == crr_layout_name) {
 344                     HMI_DEBUG("wm:pm", "Previous layout is same with current");
 345                 }
 346                 else {
 347                     // If previous layout is NOT same with current,
 348                     // current areas is set with default value
 349                     HMI_DEBUG("wm:pm", "Previous layout is NOT same with current");
 350                     crr_layout_state.name         = pm::g_default_layouts[crr_layout_name].name;
 351                     crr_layout_state.category_num = pm::g_default_layouts[crr_layout_name].category_num;
 352                     crr_layout_state.area_list    = pm::g_default_layouts[crr_layout_name].area_list;
 353                 }
 354
 355                 // Create candidate list
 356                 std::map<std::string, pm::AreaList> cand_list;
 357                 for (int ctg_no=stm::gStmCategoryNoMin;
 358                      ctg_no<=stm::gStmCategoryNoMax; ctg_no++) {
 359                     const char* ctg = stm::gStmCategoryName[ctg_no];
 360                     HMI_DEBUG("wm:pm", "ctg:%s", ctg);
 361
 362                     // Create candidate list for category from the previous displayed categories
 363                     pm::AreaList tmp_cand_list;
 364                     for (pm::AreaState area_state : prv_layout_state.area_list) {
 365                         if (std::string(ctg) == area_state.category) {
 366                             // If there is the category which is same with new category in previous layout,
 367                             // push it to list
 368                             HMI_DEBUG("wm:pm", "Push to candidate list category:%s role:%s",
 369                                       area_state.category.c_str(), area_state.role.c_str());
 370                             tmp_cand_list.push_back(area_state);
 371                         }
 372                     }
 373
 374                     int candidate_num = prv_layout_state.category_num[ctg];
 375                     int blank_num = crr_layout_state.category_num[ctg];
 376                     HMI_DEBUG("wm:pm", "blank_num:%d candidate_num:%d", blank_num, candidate_num);
 377
 378                     // If requested event is "activate"
 379                     // and there are requested category and area,
 380                     // update area with requested role in current layout.
 381                     bool request_for_this_layer = false;
 382                     bool updated = false;
 383                     if ((ctg == req_ctg) && ("activate" == req_evt) ) {
 384                         HMI_DEBUG("wm:pm", "requested event is activate");
 385                         for (pm::AreaState &as : crr_layout_state.area_list) {
 386                             if (as.category == req_ctg) {
 387                                 request_for_this_layer = true;
 388
 389                                 if (as.name == req_area) {
 390                                     HMI_DEBUG("wm:pm", "Update current layout: area:%s category:%s role:%s",
 391                                               as.name.c_str(), as.category.c_str(), as.role.c_str());
 392                                     as.role = req_role;
 393                                     blank_num--;
 394                                     updated = true;
 395                                     break;
 396                                 }
 397                             }
 398                         }
 399
 400                         // If NOT updated: there is not requested area in new layout,
 401                         // so push requested role to candidate list
 402                         if (request_for_this_layer && (!updated)) {
 403                             HMI_DEBUG("wm:pm", "Push request to candidate list");
 404                             pm::AreaState area_state;
 405                             area_state.name = req_area;
 406                             area_state.category = req_ctg;
 407                             area_state.role = req_role;
 408                             tmp_cand_list.push_back(area_state);
 409                         }
 410                     }
 411
 412                     // Compare number of candidate/blank,
 413                     // And remove role in order of the oldest as necessary
 414                     if (candidate_num < blank_num) {
 415                         // Refer history stack
 416                         // and add to the top of tmp_cand_list in order to the newest
 417                         while (candidate_num != blank_num) {
 418                             pm::AreaState area_state;
 419                             area_state.name = "";
 420                             area_state.category = ctg;
 421                             if (0 != crr_layout_state.role_history[ctg].size()) {
 422                                 HMI_DEBUG("wm:pm", "Use role in history stack:%s",
 423                                           crr_layout_state.role_history[ctg].back().c_str());
 424                                 area_state.role = crr_layout_state.role_history[ctg].back();
 425                                 crr_layout_state.role_history[ctg].pop_back();
 426                             }
 427                             else {
 428                                 HMI_ERROR("wm:pm", "There is no role in history stack!!");
 429                                 area_state.role = "";
 430                             }
 431                             tmp_cand_list.push_back(area_state);
 432                             candidate_num++;
 433                         }
 434                     }
 435                     else if (candidate_num > blank_num) {
 436                         HMI_DEBUG("wm:pm", "candidate_num > blank_num");
 437
 438                         // Remove the oldest role from candidate list
 439                         while (candidate_num != blank_num) {
 440                             std::string removed_role = tmp_cand_list.begin()->role;
 441                             HMI_DEBUG("wm:pm", "Remove the oldest data(role:%s) from tmp_cand_list",
 442                                       removed_role.c_str());
 443                             tmp_cand_list.erase(tmp_cand_list.begin());
 444                             candidate_num--;
 445
 446                             // Push removed data to history stack
 447                             crr_layout_state.role_history[ctg].push_back(removed_role);
 448                         }
 449                     }
 450                     else {  // (candidate_num == blank_num)
 451                         // nop
 452                     }
 453
 454                     cand_list[ctg] = tmp_cand_list;
 455                 }
 456
 457                 // Update areas
 458                 for (pm::AreaState &as : crr_layout_state.area_list) {
 459                     HMI_DEBUG("wm:pm", "Current area info area:%s category:%s",
 460                               as.name.c_str(), as.category.c_str());
 461                     if ("" == as.role) {
 462                         HMI_DEBUG("wm:pm", "Update this area with role:%s",
 463                                   cand_list[as.category].begin()->role.c_str());
 464                         as.role = cand_list[as.category].begin()->role;
 465                         cand_list[as.category].erase(cand_list[as.category].begin());
 466                     }
 467                 }
 468             }
 469             // Update current layout of this layer
 470             pm::g_crr_layers[layer_name].layout_state = crr_layout_state;
 471         }
 472         // Update changed flag
 473         pm::g_crr_layers[layer_name].changed = (changed) ? true : false;
 474     }
 475
 476     // Erase role for the event_data from list
 477     pm::g_req_role_list.erase(event_data);
 478
 479     // Check
 480     for (auto itr : pm::g_crr_layers) {
 481         pm::LayerState ls = itr.second;
 482         HMI_DEBUG("wm:pm", ">>> LAYER:%s",ls.name.c_str());
 483         HMI_DEBUG("wm:pm", ">>> >>> LAYOUT:%s", ls.layout_state.name.c_str());
 484
 485         for (pm::AreaState as : ls.layout_state.area_list) {
 486             HMI_DEBUG("wm:pm", ">>> >>> >>> AREA:%s", as.name.c_str());
 487             HMI_DEBUG("wm:pm", ">>> >>> >>> >>> CTG:%s", as.category.c_str());
 488             HMI_DEBUG("wm:pm", ">>> >>> >>> >>> ROLE:%s", as.role.c_str());
 489         }
 490         HMI_DEBUG("wm:pm", ">>> >>> CHANGED:%s", (ls.changed) ? "true" : "false");
 491     }
 492 }
 493
 494 static void updateLocalState(int event_data, stm::stm_state_t crr_state) {
 495     updateLocalCarElementState(crr_state);
 496     updateLocalLayerState(event_data, crr_state);
 497 }
 498
 499 static void createOutputInformation(stm::stm_state_t crr_state, json_object **json_out) {
 500     json_object* json_tmp;
 501
 502     // Create car element information
 503     // {
 504     //     "car_elements": [
 505     //     {
 506     //         "parking_brake": {
 507     //             "changed": <bool>,
 508     //             "state": <const char*>
 509     //         },
 510     //         ...
 511     //     },
 512     json_object* json_car_ele = json_object_new_array();
 513     const char* car_ele_name;
 514     for (int car_ele_no = stm::gStmCarElementNoMin;
 515          car_ele_no <= stm::gStmCarElementNoMax; car_ele_no++) {
 516         car_ele_name = stm::gStmCarElementName[car_ele_no];
 517         json_tmp = json_object_new_object();
 518         addStateToJson(car_ele_name,
 519                        pm::g_crr_car_elements[car_ele_name].changed,
 520                        pm::g_crr_car_elements[car_ele_name].state,
 521                        &json_tmp);
 522         json_object_array_add(json_car_ele, json_tmp);
 523     }
 524     json_object_object_add(*json_out, "car_elements", json_car_ele);
 525
 526     // Create layout information
 527     //
 528     //     "layers": [
 529     //     {
 530     //         "homescreen": {
 531     //             "changed": <bool>,
 532     //             "areas": [
 533     //             {
 534     //                 "name":<const char*>,
 535     //                 "role":<const char*>
 536     //             }.
 537     //             ...
 538     //             ]
 539     //         }
 540     //     },
 541     //     ...
 542     json_object* json_layer = json_object_new_array();
 543     const char* layer_name;
 544     for (int layer_no = stm::gStmLayerNoMin;
 545          layer_no <= stm::gStmLayerNoMax; layer_no++) {
 546         layer_name = stm::gStmLayerName[layer_no];
 547         json_tmp = json_object_new_object();
 548         addStateToJson(layer_name,
 549                        pm::g_crr_layers[layer_name].changed,
 550                        pm::g_crr_layers[layer_name].layout_state.area_list,
 551                        &json_tmp);
 552         json_object_array_add(json_layer, json_tmp);
 553     }
 554     json_object_object_add(*json_out, "layers", json_layer);
 555 }
 556
 557 static int checkPolicyEntry(int event, uint64_t delay_ms, std::string role);
 558 static void controlTimerEvent(stm::stm_state_t crr_state) {
 559     if (crr_state.car_element[stm::gStmCarElementNoRunning].changed) {
 560         if (stm::gStmRunningNoRun == crr_state.car_element[stm::gStmCarElementNoRunning].state) {
 561             // Set delay event(restriction mode on)
 562             checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_ON, 3000, "");
 563         }
 564         else if (stm::gStmRunningNoStop == crr_state.car_element[stm::gStmCarElementNoRunning].state) {
 565             // Stop timer for restriction on event
 566             if (pm::event_source_list.find(STM_EVT_NO_RESTRICTION_MODE_ON)
 567               != pm::event_source_list.end()) {
 568                 HMI_DEBUG("wm:pm", "Stop timer for restriction on");
 569                 sd_event_source *event_source
 570                     = pm::event_source_list[STM_EVT_NO_RESTRICTION_MODE_ON];
 571                 int ret = sd_event_source_set_enabled(event_source, SD_EVENT_OFF);
 572                 if (0 > ret) {
 573                     HMI_ERROR("wm:pm", "Failed to stop timer");
 574                 }
 575             }
 576
 577             // Set event(restriction mode off)
 578             checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_OFF, 0, "");
 579         }
 580     }
 581 }
 582
 583 static int checkPolicy(sd_event_source *source, void *data) {
 584     HMI_DEBUG("wm:pm", "Call");
 585     HMI_DEBUG("wm:pm", ">>>>>>>>>> START CHECK POLICY");
 586
 587     int event_data = *((int*)data);
 588
 589     int event_no, category_no, area_no;
 590     event_no    = (event_data & STM_MSK_EVT_NO) - 1;
 591     category_no = ((event_data & STM_MSK_CTG_NO) >> 8) - 1;
 592     area_no     = ((event_data & STM_MSK_ARA_NO) >> 16) - 1;
 593     HMI_DEBUG("wm:pm", ">>>>>>>>>> event:%s category:%s area:%s",
 594               (event_no < 0)    ? "-" : stm::gStmEventName[event_no],
 595               (category_no < 0) ? "-" : stm::gStmCategoryName[category_no],
 596               (area_no < 0)     ? "-" : stm::gStmAreaName[area_no]);
 597
 598     // Transition state
 599     stm::stm_state_t crr_state;
 600     int ret = stm::stmTransitionState(event_data, &crr_state);
 601     if (0 > ret) {
 602         HMI_ERROR("wm:pm", "Failed transition state");
 603         if (nullptr != pm::callback.onError) {
 604             json_object* json_out = json_object_new_object();
 605             json_object_object_add(json_out, "message",
 606                                    json_object_new_string("Failed to transition state"));
 607             json_object_object_add(json_out, "event",
 608                                    json_object_new_string(stm::gStmEventName[event_no]));
 609             json_object_object_add(json_out, "role",
 610                                    json_object_new_string(pm::g_req_role_list[event_data].c_str()));
 611             json_object_object_add(json_out, "area",
 612                                    json_object_new_string(stm::gStmAreaName[area_no]));
 613             pm::callback.onError(json_out);
 614             json_object_put(json_out);
 615         }
 616         return -1;
 617     }
 618
 619     // Update state which is managed by PolicyManager
 620     updateLocalState(event_data, crr_state);
 621
 622     // Create output information for ResourceManager
 623     json_object* json_out = json_object_new_object();
 624     createOutputInformation(crr_state, &json_out);
 625
 626     // Notify changed state
 627     if (nullptr != pm::callback.onStateTransitioned) {
 628         pm::callback.onStateTransitioned(json_out);
 629     }
 630
 631     // Start/Stop timer events
 632     controlTimerEvent(crr_state);
 633
 634     // Release json_object
 635     json_object_put(json_out);
 636
 637     // Release data
 638     delete (int*)data;
 639
 640     // Destroy sd_event_source object
 641     sd_event_source_unref(source);
 642
 643     // Remove event source from list
 644     if (pm::event_source_list.find(event_data) != pm::event_source_list.end()) {
 645         pm::event_source_list.erase(event_data);
 646     }
 647
 648     HMI_DEBUG("wm:pm", ">>>>>>>>>> FINISH CHECK POLICY");
 649     return 0;
 650 }
 651
 652 static int timerEvent(sd_event_source *source, uint64_t usec, void *data) {
 653     HMI_DEBUG("wm:pm", "Call");
 654
 655     int ret = checkPolicy(source, data);
 656     return ret;
 657 }
 658
 659 static int checkPolicyEntry(int event, uint64_t delay_ms, std::string role)
 660 {
 661     HMI_DEBUG("wm:pm", "Call");
 662     HMI_DEBUG("wm:pm", "event:0x%x delay:%d role:%s", event, delay_ms, role.c_str());
 663
 664     // Store requested role
 665     pm::g_req_role_list[event] = role;
 666
 667     if (0 == delay_ms) {
 668         int ret = sd_event_add_defer(pm::event_loop, NULL,
 669                                      &checkPolicy, new int(event));
 670         if (0 > ret) {
 671             HMI_ERROR("wm:pm", "Faild to sd_event_add_defer: errno:%d", ret);
 672             pm::g_req_role_list.erase(event);
 673             return -1;
 674         }
 675     }
 676     else {
 677         // Get current time
 678         struct timespec time_spec;
 679         clock_gettime(CLOCK_MONOTONIC, &time_spec);
 680
 681         // Calculate timer fired time
 682         uint64_t usec = (time_spec.tv_sec * 1000000)
 683             + (time_spec.tv_nsec / 1000)
 684             + (delay_ms * 1000);
 685
 686         // Set timer
 687         struct sd_event_source* event_source;
 688         int ret = sd_event_add_time(pm::event_loop, &event_source, CLOCK_MONOTONIC, usec, 1,
 689                                     &timerEvent, new int(event));
 690         if (0 > ret) {
 691             HMI_ERROR("wm:pm", "Faild to sd_event_add_time: errno:%d", ret);
 692             pm::g_req_role_list.erase(event);
 693             return -1;
 694         }
 695
 696         // Store event source
 697         pm::event_source_list[event] = event_source;
 698     }
 699
 700     return 0;
 701 }
 702
 703 void PolicyManager::registerCallback(CallbackTable callback) {
 704     HMI_DEBUG("wm:pm", "Call");
 705
 706     pm::callback.onStateTransitioned = callback.onStateTransitioned;
 707     pm::callback.onError             = callback.onError;
 708 }
 709
 710 int PolicyManager::setInputEventData(json_object* json_in) {
 711     HMI_DEBUG("wm:pm", "Call");
 712
 713     // Check arguments
 714     if (nullptr == json_in) {
 715         HMI_ERROR("wm:pm", "Argument is NULL!!");
 716         return -1;
 717     }
 718
 719     // Get event from json_object
 720     const char* event = this->getStringFromJson(json_in, "event");
 721     int event_no = 0;
 722     if (nullptr != event) {
 723         // Convert name to number
 724         event_no = this->eventname2no[event];
 725         HMI_DEBUG("wm:pm", "event(%s:%d)", event, event_no);
 726     }
 727
 728     // Get role from json_object
 729     const char* role = this->getStringFromJson(json_in, "role");
 730     int category_no = 0;
 731     if (nullptr != role) {
 732         HMI_DEBUG("wm:pm", "role(%s)", role);
 733
 734         // Convert role to category
 735         const char* category = this->role2category[role].c_str();
 736         if (0 == strcmp("", category)) {
 737             HMI_ERROR("wm:pm", "Error!!");
 738             return -1;
 739         }
 740         HMI_DEBUG("wm:pm", "category(%s)", category);
 741
 742         // Convert name to number
 743         category_no = categoryname2no[category];
 744         HMI_DEBUG("wm:pm", "role(%s), category(%s:%d)", role, category, category_no);
 745     }
 746
 747     // Get areat from json_object
 748     const char* area = this->getStringFromJson(json_in, "area");
 749     int area_no = 0;
 750     if (nullptr != area) {
 751         area_no = this->areaname2no[area];
 752         HMI_DEBUG("wm:pm", "area(%s:%d)", area, area_no);
 753     }
 754     else if (nullptr != role) {
 755         area_no = this->areaname2no[this->role2defaultarea[role]];
 756         HMI_DEBUG("wm:pm", "area(%s:%d)", this->role2defaultarea[role].c_str(), area_no);
 757     }
 758
 759     // Set event info to the queue
 760     EventInfo event_info;
 761     event_info.event = (event_no | category_no | area_no);
 762     if (nullptr == role) {
 763         event_info.role = std::string("");
 764     }
 765     else {
 766         event_info.role = std::string(role);
 767     }
 768     event_info.delay = 0;
 769     this->event_info_queue.push(event_info);
 770
 771     return 0;
 772 }
 773
 774 int PolicyManager::executeStateTransition() {
 775     HMI_DEBUG("wm:pm", "Call");
 776
 777     int ret;
 778     EventInfo event_info;
 779
 780     while (!this->event_info_queue.empty()) {
 781         // Get event info from queue and delete
 782         event_info = this->event_info_queue.front();
 783         this->event_info_queue.pop();
 784
 785         // Set event info for checking policy
 786         ret = checkPolicyEntry(event_info.event, event_info.delay, event_info.role);
 787     }
 788     return ret;
 789 }
 790
 791 void PolicyManager::undoState() {
 792     HMI_DEBUG("wm:pm", "Call");
 793
 794     // Undo state of STM
 795     stm::stmUndoState();
 796
 797     pm::g_crr_layers = pm::g_prv_layers;
 798 }
 799
 800 extern const char* kDefaultRoleDb;
 801 int PolicyManager::loadRoleDb() {
 802     HMI_DEBUG("wm:pm", "Call");
 803
 804     std::string file_name;
 805
 806     // Get afm application installed dir
 807     char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
 808     HMI_DEBUG("wm:pm", "afm_app_install_dir:%s", afm_app_install_dir);
 809
 810     if (!afm_app_install_dir) {
 811         HMI_ERROR("wm:pm", "AFM_APP_INSTALL_DIR is not defined");
 812     }
 813     else {
 814         file_name = std::string(afm_app_install_dir) + std::string("/etc/role.db");
 815     }
 816
 817     // Load role.db
 818     json_object* json_obj;
 819     int ret = this->inputJsonFilie(file_name.c_str(), &json_obj);
 820     if (0 > ret) {
 821         HMI_ERROR("wm:pm", "Could not open role.db, so use default role information");
 822         json_obj = json_tokener_parse(kDefaultRoleDb);
 823     }
 824     HMI_DEBUG("wm:pm", "json_obj dump:%s", json_object_get_string(json_obj));
 825
 826     json_object* json_roles;
 827     if (!json_object_object_get_ex(json_obj, "roles", &json_roles)) {
 828         HMI_ERROR("wm:pm", "Parse Error!!");
 829         return -1;
 830     }
 831
 832     int len = json_object_array_length(json_roles);
 833     HMI_DEBUG("wm:pm", "json_cfg len:%d", len);
 834     HMI_DEBUG("wm:pm", "json_cfg dump:%s", json_object_get_string(json_roles));
 835
 836     json_object* json_tmp;
 837     const char* category;
 838     const char* roles;
 839     const char* areas;
 840     for (int i=0; i<len; i++) {
 841         json_tmp = json_object_array_get_idx(json_roles, i);
 842
 843         category = this->getStringFromJson(json_tmp, "category");
 844         roles =  this->getStringFromJson(json_tmp, "role");
 845         areas =  this->getStringFromJson(json_tmp, "area");
 846
 847         if ((nullptr == category) || (nullptr == roles) || (nullptr == areas)) {
 848             HMI_ERROR("wm:pm", "Parse Error!!");
 849             return -1;
 850         }
 851
 852         // Parse roles by '|'
 853         std::vector<std::string> vct_roles;
 854         vct_roles = this->parseString(std::string(roles), '|');
 855
 856         // Parse areas by '|'
 857         std::vector<std::string> vct_areas;
 858         vct_areas = this->parseString(std::string(areas), '|');
 859
 860         // Set role, category, default area
 861         for (auto itr = vct_roles.begin(); itr != vct_roles.end(); ++itr) {
 862             // Delete space from role and area name
 863             std::string role = this->deleteSpace(*itr);
 864             std::string area = this->deleteSpace(vct_areas[0]);
 865
 866             this->role2category[role] = std::string(category);
 867             this->role2defaultarea[role] = area;
 868         }
 869
 870         this->category2role[std::string(category)] = std::string(roles);
 871     }
 872
 873     // Check
 874     HMI_DEBUG("wm:pm", "Check role2category");
 875     for (auto& x:this->role2category){
 876         HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
 877     }
 878
 879     HMI_DEBUG("wm:pm", "Check role2defaultarea");
 880     for (auto& x:this->role2defaultarea){
 881         HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
 882     }
 883
 884     HMI_DEBUG("wm:pm", "Check category2role");
 885     for (auto& x:this->category2role){
 886         HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
 887     }
 888
 889     return 0;
 890 }
 891
 892 extern const char* kDefaultLayoutDb;
 893 int PolicyManager::loadLayoutDb() {
 894     HMI_DEBUG("wm:pm", "Call");
 895
 896     // Get afm application installed dir
 897     char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
 898     HMI_DEBUG("wm:pm", "afm_app_install_dir:%s", afm_app_install_dir);
 899
 900     std::string file_name;
 901     if (!afm_app_install_dir) {
 902         HMI_ERROR("wm:pm", "AFM_APP_INSTALL_DIR is not defined");
 903     }
 904     else {
 905         file_name = std::string(afm_app_install_dir) + std::string("/etc/layout.db");
 906     }
 907
 908     // Load layout.db
 909     json_object* json_obj;
 910     int ret = this->inputJsonFilie(file_name.c_str(), &json_obj);
 911     if (0 > ret) {
 912         HMI_DEBUG("wm:pm", "Could not open layout.db, so use default layout information");
 913         json_obj = json_tokener_parse(kDefaultLayoutDb);
 914     }
 915     HMI_DEBUG("wm:pm", "json_obj dump:%s", json_object_get_string(json_obj));
 916
 917     // Perse layouts
 918     HMI_DEBUG("wm:pm", "Perse layouts");
 919     json_object* json_cfg;
 920     if (!json_object_object_get_ex(json_obj, "layouts", &json_cfg)) {
 921         HMI_ERROR("wm:pm", "Parse Error!!");
 922         return -1;
 923     }
 924
 925     int len = json_object_array_length(json_cfg);
 926     HMI_DEBUG("wm:pm", "json_cfg len:%d", len);
 927     HMI_DEBUG("wm:pm", "json_cfg dump:%s", json_object_get_string(json_cfg));
 928
 929     const char* layout;
 930     const char* role;
 931     const char* category;
 932     for (int i=0; i<len; i++) {
 933         json_object* json_tmp = json_object_array_get_idx(json_cfg, i);
 934
 935         layout = this->getStringFromJson(json_tmp, "name");
 936         if (nullptr == layout) {
 937             HMI_ERROR("wm:pm", "Parse Error!!");
 938             return -1;
 939         }
 940         HMI_DEBUG("wm:pm", "> layout:%s", layout);
 941
 942         json_object* json_area_array;
 943         if (!json_object_object_get_ex(json_tmp, "areas", &json_area_array)) {
 944           HMI_ERROR("wm:pm", "Parse Error!!");
 945           return -1;
 946         }
 947
 948         int len_area = json_object_array_length(json_area_array);
 949         HMI_DEBUG("wm:pm", "json_area_array len:%d", len_area);
 950         HMI_DEBUG("wm:pm", "json_area_array dump:%s", json_object_get_string(json_area_array));
 951
 952         pm::LayoutState layout_state;
 953         pm::AreaState area_state;
 954         std::map<std::string, int> category_num;
 955         for (int ctg_no = stm::gStmCategoryNoMin;
 956              ctg_no <= stm::gStmCategoryNoMax; ctg_no++) {
 957             const char* ctg_name = stm::gStmCategoryName[ctg_no];
 958             category_num[ctg_name] = 0;
 959         }
 960
 961         for (int j=0; j<len_area; j++) {
 962             json_object* json_area = json_object_array_get_idx(json_area_array, j);
 963
 964             // Get area name
 965             const char* area = this->getStringFromJson(json_area, "name");
 966             if (nullptr == area) {
 967               HMI_ERROR("wm:pm", "Parse Error!!");
 968               return -1;
 969             }
 970             area_state.name = std::string(area);
 971             HMI_DEBUG("wm:pm", ">> area:%s", area);
 972
 973             // Get app attribute of the area
 974             category = this->getStringFromJson(json_area, "category");
 975             if (nullptr == category) {
 976                 HMI_ERROR("wm:pm", "Parse Error!!");
 977                 return -1;
 978             }
 979             area_state.category = std::string(category);
 980             category_num[category]++;
 981             HMI_DEBUG("wm:pm", ">>> category:%s", category);
 982
 983             role = this->getStringFromJson(json_area, "role");
 984             if (nullptr != role) {
 985                 // Role is NOT essential here
 986                 area_state.role = std::string(role);
 987             }
 988             else {
 989                 area_state.role = std::string("");
 990
 991             }
 992             HMI_DEBUG("wm:pm", ">>> role:%s", role);
 993
 994             layout_state.area_list.push_back(area_state);
 995
 996         }
 997
 998         layout_state.name = layout;
 999         layout_state.category_num = category_num;
1000         pm::g_default_layouts[layout] = layout_state;
1001     }
1002
1003     // initialize for none layout
1004     pm::LayoutState none_layout_state;
1005     memset(&none_layout_state, 0, sizeof(none_layout_state));
1006     none_layout_state.name                 = "none";
1007     pm::g_default_layouts["none"] = none_layout_state;
1008
1009     // Check
1010     for(auto itr_layout = pm::g_default_layouts.begin();
1011       itr_layout != pm::g_default_layouts.end(); ++itr_layout) {
1012         HMI_DEBUG("wm:pm", ">>> layout:%s", itr_layout->first.c_str());
1013
1014         for (auto itr_area = itr_layout->second.area_list.begin();
1015           itr_area != itr_layout->second.area_list.end(); ++itr_area) {
1016             HMI_DEBUG("wm:pm", ">>> >>> area    :%s", itr_area->name.c_str());
1017             HMI_DEBUG("wm:pm", ">>> >>> category:%s", itr_area->category.c_str());
1018             HMI_DEBUG("wm:pm", ">>> >>> role    :%s", itr_area->role.c_str());
1019         }
1020     }
1021
1022     // Release json_object
1023     json_object_put(json_obj);
1024
1025     return 0;
1026 }
1027
1028 // TODO:
1029 // This function will be removed because json_helper has same function.
1030 // json_helper should be library.
1031 const char* PolicyManager::getStringFromJson(json_object* obj, const char* key) {
1032     if ((nullptr == obj) || (nullptr == key)) {
1033         HMI_ERROR("wm:pm", "Argument is nullptr!!!");
1034         return nullptr;
1035     }
1036
1037     json_object* tmp;
1038     if (!json_object_object_get_ex(obj, key, &tmp)) {
1039         HMI_DEBUG("wm:pm", "Not found key \"%s\"", key);
1040         return nullptr;
1041     }
1042
1043     return json_object_get_string(tmp);
1044 }
1045
1046 // TODO:
1047 // This function will be removed because json_helper has same function.
1048 // json_helper should be library.
1049 int PolicyManager::inputJsonFilie(const char* file, json_object** obj) {
1050     const int input_size = 128;
1051     int ret = -1;
1052
1053     if ((nullptr == file) || (nullptr == obj)) {
1054         HMI_ERROR("wm:jh", "Argument is nullptr!!!");
1055         return ret;
1056     }
1057
1058     HMI_DEBUG("wm:jh", "Input file: %s", file);
1059
1060     // Open json file
1061     FILE *fp = fopen(file, "rb");
1062     if (nullptr == fp) {
1063         HMI_ERROR("wm:jh", "Could not open file");
1064         return ret;
1065     }
1066
1067     // Parse file data
1068     struct json_tokener *tokener = json_tokener_new();
1069     enum json_tokener_error json_error;
1070     char buffer[input_size];
1071     int block_cnt = 1;
1072     while (1) {
1073         size_t len = fread(buffer, sizeof(char), input_size, fp);
1074         *obj = json_tokener_parse_ex(tokener, buffer, len);
1075         if (nullptr != *obj) {
1076             HMI_DEBUG("wm:jh", "File input is success");
1077             ret = 0;
1078             break;
1079         }
1080
1081         json_error = json_tokener_get_error(tokener);
1082         if ((json_tokener_continue != json_error)
1083             || (input_size > len)) {
1084             HMI_ERROR("wm:jh", "Failed to parse file (byte:%d err:%s)",
1085                       (input_size * block_cnt), json_tokener_error_desc(json_error));
1086             HMI_ERROR("wm:jh", "\n%s", buffer);
1087             *obj = nullptr;
1088             break;
1089         }
1090         block_cnt++;
1091     }
1092
1093     // Close json file
1094     fclose(fp);
1095
1096     // Free json_tokener
1097     json_tokener_free(tokener);
1098
1099     return ret;
1100 }
1101
1102 std::vector<std::string> PolicyManager::parseString(std::string str, char delimiter) {
1103     // Parse string by delimiter
1104     std::vector<std::string> vct;
1105     std::stringstream ss{str};
1106     std::string buf;
1107     while (std::getline(ss, buf, delimiter)) {
1108       if (!buf.empty()) {
1109         vct.push_back(buf);
1110       }
1111     }
1112     return vct;
1113 }
1114
1115 std::string PolicyManager::deleteSpace(std::string str) {
1116     std::string ret = str;
1117     size_t pos;
1118     while ((pos = ret.find_first_of(" ")) != std::string::npos) {
1119       ret.erase(pos, 1);
1120     }
1121     return ret;
1122 }
1123
1124 const char* kDefaultRoleDb = "{ \
1125     \"roles\":[ \
1126     { \
1127         \"category\": \"homescreen\", \
1128         \"role\": \"homescreen\", \
1129         \"area\": \"full\", \
1130     }, \
1131     { \
1132         \"category\": \"map\", \
1133         \"role\": \"map\", \
1134         \"area\": \"full | normal | split.main\", \
1135     }, \
1136     { \
1137         \"category\": \"general\", \
1138         \"role\": \"poi | music | video | browser | sdl | settings | mixer | radio | hvac | dashboard | debug\", \
1139         \"area\": \"normal\", \
1140     }, \
1141     { \
1142         \"category\": \"phone\", \
1143         \"role\": \"phone\", \
1144         \"area\": \"normal\", \
1145     }, \
1146     { \
1147         \"category\": \"splitable\", \
1148         \"role\": \"splitable1 | splitable2\", \
1149         \"area\": \"normal | split.main | split.sub\", \
1150     }, \
1151     { \
1152         \"category\": \"popup\", \
1153         \"role\": \"popup\", \
1154         \"area\": \"on_screen\", \
1155     }, \
1156     { \
1157         \"category\": \"system_alert\", \
1158         \"role\": \"system_alert\", \
1159         \"area\": \"on_screen\", \
1160     }, \
1161     { \
1162         \"category\": \"tbt\", \
1163         \"role\": \"tbt\", \
1164         \"area\": \"hud\", \
1165     } \
1166     ] \
1167 }";
1168
1169
1170 const char* kDefaultLayoutDb = "{ \
1171     \"layouts\": [ \
1172         { \
1173             \"name\": \"pu\", \
1174             \"layer\": \"on_screen\", \
1175             \"areas\": [ \
1176                 { \
1177                     \"name\": \"pop_up\", \
1178                     \"role\": \"incomming_call\" \
1179                 } \
1180             ] \
1181         }, \
1182         { \
1183             \"name\": \"sa\", \
1184             \"layer\": \"on_screen\", \
1185             \"areas\": [ \
1186                 { \
1187                     \"name\": \"system_alert\", \
1188                     \"role\": \"system_alert\" \
1189                 } \
1190             ] \
1191         }, \
1192         { \
1193             \"name\": \"m1\", \
1194             \"layer\": \"apps\", \
1195             \"areas\": [ \
1196                 { \
1197                     \"name\": \"normal\", \
1198                     \"role\": \"map\" \
1199                 } \
1200             ] \
1201         }, \
1202         { \
1203             \"name\": \"m2\", \
1204             \"layer\": \"apps\", \
1205             \"areas\": [ \
1206                 { \
1207                     \"name\": \"split.main\", \
1208                     \"role\": \"map\" \
1209                 }, \
1210                 { \
1211                     \"name\": \"split.sub\", \
1212                     \"category\": \"hvac\" \
1213                 } \
1214             ] \
1215         }, \
1216         { \
1217             \"name\": \"mf\", \
1218             \"layer\": \"apps\", \
1219             \"areas\": [ \
1220                 { \
1221                     \"name\": \"full\", \
1222                     \"role\": \"map\" \
1223                 } \
1224             ] \
1225         }, \
1226         { \
1227             \"name\": \"s1\", \
1228             \"layer\": \"apps\", \
1229             \"areas\": [ \
1230                 { \
1231                     \"name\": \"normal\", \
1232                     \"category\": \"splitable\" \
1233                 } \
1234             ] \
1235         }, \
1236         { \
1237             \"name\": \"s2\", \
1238             \"layer\": \"apps\", \
1239             \"areas\": [ \
1240                 { \
1241                     \"name\": \"split.main\", \
1242                     \"category\": \"splitable\" \
1243                 }, \
1244                 { \
1245                     \"name\": \"split.sub\", \
1246                     \"category\": \"splitable\" \
1247                 } \
1248             ] \
1249         }, \
1250         { \
1251             \"name\": \"g\", \
1252             \"layer\": \"apps\", \
1253             \"areas\": [ \
1254                 { \
1255                     \"name\": \"normal\", \
1256                     \"category\": \"general\" \
1257                 } \
1258             ] \
1259         }, \
1260         { \
1261             \"name\": \"hs\", \
1262             \"layer\": \"homescreen\", \
1263             \"areas\": [ \
1264                 { \
1265                     \"name\": \"full\", \
1266                     \"role\": \"homescreen\" \
1267                 } \
1268             ] \
1269         } \
1270     ], \
1271     \"areas\": [ \
1272         { \
1273             \"name\": \"normal\", \
1274             \"rect\": { \
1275                 \"x\": 0, \
1276                 \"y\": 218, \
1277                 \"w\": 1080, \
1278                 \"h\": 1488 \
1279             } \
1280         }, \
1281         { \
1282             \"name\": \"split.main\", \
1283             \"rect\": { \
1284                 \"x\": 0, \
1285                 \"y\": 218, \
1286                 \"w\": 1080, \
1287                 \"h\": 744 \
1288             } \
1289         }, \
1290         { \
1291             \"name\": \"split.sub\", \
1292             \"rect\": { \
1293                 \"x\": 0, \
1294                 \"y\": 962, \
1295                 \"w\": 1080, \
1296                 \"h\": 744 \
1297             } \
1298         }, \
1299         { \
1300             \"name\": \"full\", \
1301             \"rect\": { \
1302                 \"x\": 0, \
1303                 \"y\": 0, \
1304                 \"w\": 1080, \
1305                 \"h\": 1920 \
1306             } \
1307         }, \
1308         { \
1309             \"name\": \"pop_up\", \
1310             \"rect\": { \
1311                 \"x\": 0, \
1312                 \"y\": 640, \
1313                 \"w\": 1080, \
1314                 \"h\": 640 \
1315             } \
1316         }, \
1317         { \
1318             \"name\": \"system_alert\", \
1319             \"rect\": { \
1320                 \"x\": 0, \
1321                 \"y\": 640, \
1322                 \"w\": 1080, \
1323                 \"h\": 640 \
1324             } \
1325         } \
1326     ] \
1327 }";