src/policy_manager/policy_manager.cpp

   1 /*
   2  * Copyright (c) 2018 TOYOTA MOTOR CORPORATION
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17
  18 #include <fstream>
  19 #include <sstream>
  20 #include <istream>
  21 #include <thread>
  22 #include <map>
  23 #include <queue>
  24 #include <systemd/sd-event.h>
  25 #include <json-c/json.h>
  26 #include "policy_manager.hpp"
  27 #include "hmi-debug.h"
  28
  29 namespace stm {
  30 extern "C" {
  31 #include "dummy_stm.h"
  32 }
  33 } // namespace stm
  34
  35
  36 namespace pm {
  37 typedef struct AreaState {
  38     std::string name;
  39     std::string category;
  40     std::string role;
  41 } AreaState;
  42
  43 typedef std::vector<AreaState> AreaList;
  44 typedef struct LayoutState {
  45     std::string name;
  46     std::map<std::string, int> category_num;
  47     AreaList area_list;
  48     std::map<std::string, std::vector<std::string>> role_history;
  49 } LayoutState;
  50
  51 typedef struct LayerState {
  52     std::string name;
  53     LayoutState layout_state;
  54     int changed;
  55 } LayerState;
  56
  57 typedef struct CarElement {
  58     std::string state;
  59     int changed;
  60 } CarElement;
  61
  62 typedef struct EventInfo {
  63     int event;
  64     std::string role;
  65     uint64_t delay;
  66 } EventInfo;
  67
  68 struct sd_event* event_loop;
  69 std::map<int, struct sd_event_source*> event_source_list;
  70 std::map<int, std::string> g_req_role_list;
  71 PolicyManager::CallbackTable callback;
  72 std::queue<EventInfo> g_event_info_queue;
  73
  74 std::unordered_map<std::string, CarElement> g_prv_car_elements;
  75 std::unordered_map<std::string, CarElement> g_crr_car_elements;
  76
  77 std::unordered_map<std::string, LayerState> g_prv_layers;
  78 std::unordered_map<std::string, LayerState> g_crr_layers;
  79
  80 std::unordered_map<std::string, LayerState> g_prv_layers_car_stop;
  81
  82 std::unordered_map<std::string, LayoutState> g_default_layouts;
  83 }  // namespace pm
  84
  85
  86 PolicyManager::PolicyManager() :
  87   eventname2no_(),
  88   categoryname2no_(),
  89   areaname2no_(),
  90   role2category_(),
  91   category2role_(),
  92   role2defaultarea_()
  93 {
  94     HMI_DEBUG("wm:pm", "Call");
  95 }
  96
  97 int PolicyManager::initialize() {
  98     HMI_DEBUG("wm:pm", "Call");
  99
 100     int ret = 0;
 101
 102     // Create convert map
 103     for (int i = stm::gStmEventNoMin; i <= stm::gStmEventNoMax; i++) {
 104         HMI_DEBUG("wm:pm", "event name:%s no:%d", stm::gStmEventName[i], stm::gStmEventNo[i]);
 105         this->eventname2no_[stm::gStmEventName[i]] = stm::gStmEventNo[i];
 106     }
 107
 108     for (int i = stm::gStmCategoryNoMin; i <= stm::gStmCategoryNoMax; i++) {
 109         HMI_DEBUG("wm:pm", "category name:%s no:%d", stm::gStmCategoryName[i], stm::gStmCategoryNo[i]);
 110         this->categoryname2no_[stm::gStmCategoryName[i]] = stm::gStmCategoryNo[i];
 111     }
 112
 113     for (int i = stm::gStmAreaNoMin; i <= stm::gStmAreaNoMax; i++) {
 114         HMI_DEBUG("wm:pm", "area name:%s no:%d", stm::gStmAreaName[i], stm::gStmAreaNo[i]);
 115         this->areaname2no_[stm::gStmAreaName[i]] = stm::gStmAreaNo[i];
 116     }
 117
 118     // Load role.db
 119     ret = this->loadRoleDb();
 120     if (0 > ret) {
 121         HMI_ERROR("wm:pm", "Load role.db Error!!");
 122         return ret;
 123     }
 124
 125     // Load layout.db
 126     ret = this->loadLayoutDb();
 127     if (0 > ret) {
 128         HMI_ERROR("wm:pm", "Load layout.db Error!!");
 129         return ret;
 130     }
 131
 132     // Initialize state which is managed by PolicyManager
 133     this->initializeLocalState();
 134
 135     // Initialize StateTransitioner
 136     stm::stmInitialize();
 137
 138     // Initialize sd_event loop
 139     ret = this->initializeSdEventLoop();
 140     if (0 > ret) {
 141         HMI_ERROR("wm:pm", "Failed to initializeSdEventLoop!!");
 142         return ret;
 143     }
 144
 145     return ret;
 146 }
 147
 148 static void initializeLocalCarElementState() {
 149     pm::CarElement init_car_ele;
 150     init_car_ele.state   = "none";
 151     init_car_ele.changed = 0;
 152
 153     for (int i = stm::gStmCarElementNoMin; i <= stm::gStmCarElementNoMax; i++) {
 154         const char* car_ele_name = stm::gStmCarElementName[i];
 155         pm::g_crr_car_elements[car_ele_name] = init_car_ele;
 156     }
 157
 158     pm::g_prv_car_elements = pm::g_crr_car_elements;
 159 }
 160
 161 static void initializeLocalLayerState() {
 162     pm::AreaState init_area;
 163     pm::LayoutState init_layout;
 164     init_area.name     = "none";
 165     init_area.category = "none";
 166     init_area.role     = "none";
 167     init_layout.name   = "none";
 168     init_layout.area_list.push_back(init_area);
 169
 170     for (int i = stm::gStmLayerNoMin; i <= stm::gStmLayerNoMax; i++) {
 171         const char* layer_name = stm::gStmLayerName[i];
 172         pm::g_crr_layers[layer_name].name         = layer_name;
 173         pm::g_crr_layers[layer_name].layout_state = init_layout;
 174         pm::g_crr_layers[layer_name].changed      = 0;
 175     }
 176
 177     pm::g_prv_layers = pm::g_crr_layers;
 178 }
 179
 180 void PolicyManager::initializeLocalState() {
 181     initializeLocalCarElementState();
 182     initializeLocalLayerState();
 183 }
 184
 185 int PolicyManager::initializeSdEventLoop() {
 186     // Get default event loop object
 187     int ret = sd_event_new(&(pm::event_loop));
 188     if (0 > ret) {
 189         HMI_ERROR("wm:pm", "Faild to sd_event_default: errno:%d", ret);
 190         return -1;
 191     }
 192
 193     // Create thread for sd_event and detach
 194     std::thread sd_event_loop([this]() {
 195         while (1) {
 196             sd_event_run(pm::event_loop, 1000);
 197         }
 198     });
 199     sd_event_loop.detach();
 200
 201     return 0;
 202 }
 203
 204 static void addStateToJson(
 205   const char* key, int is_changed, std::string state, json_object** json_out) {
 206     if ((nullptr == key) || (nullptr == json_out)) {
 207         HMI_ERROR("wm:pm", "Argument is nullptr!!!");
 208         return;
 209     }
 210
 211     json_object* json_obj = json_object_new_object();
 212     json_object_object_add(json_obj, "is_changed", json_object_new_boolean(is_changed));
 213     if (is_changed) {
 214         HMI_DEBUG("wm:pm", "%s: state changed (%s)", key, state.c_str());
 215         json_object_object_add(json_obj, "state", json_object_new_string(state.c_str()));
 216     }
 217     json_object_object_add(*json_out, key, json_obj);
 218 }
 219
 220 static void addStateToJson(const char* layer_name, unsigned int changed,
 221                            pm::AreaList area_list, json_object** json_out) {
 222     if ((nullptr == layer_name) || (1 < changed) || (nullptr == json_out)) {
 223         HMI_ERROR("wm:pm", "Invalid argument!!!");
 224         return;
 225     }
 226
 227     json_object* json_areas = json_object_new_array();
 228     json_object* json_tmp;
 229     for (pm::AreaState as : area_list) {
 230         json_tmp = json_object_new_object();
 231         json_object_object_add(json_tmp, "name", json_object_new_string(as.name.c_str()));
 232         json_object_object_add(json_tmp, "role", json_object_new_string(as.role.c_str()));
 233         json_object_array_add(json_areas, json_tmp);
 234     }
 235
 236     json_object_object_add(*json_out, "name", json_object_new_string(layer_name));
 237     json_object_object_add(*json_out, "changed", json_object_new_boolean(changed));
 238     json_object_object_add(*json_out, "areas", json_areas);
 239 }
 240
 241 static void updateLocalCarElementState(stm::stm_state_t crr_state) {
 242     int car_state_no;
 243     std::string car_state;
 244     bool changed;
 245
 246     // Store previous layers
 247     pm::g_prv_car_elements = pm::g_crr_car_elements;
 248
 249     // Update car elements
 250     HMI_DEBUG("wm:pm", ">>> CAR ELEMENT");
 251     for (int car_ele_no = stm::gStmCarElementNoMin;
 252          car_ele_no <= stm::gStmCarElementNoMax; car_ele_no++) {
 253         const char* car_ele_name = stm::gStmCarElementName[car_ele_no];
 254
 255         car_state_no = crr_state.car_element[car_ele_no].state;
 256         car_state = stm::gStmCarStateNameList[car_ele_no][car_state_no];
 257         changed = crr_state.car_element[car_ele_no].is_changed;
 258
 259         pm::g_crr_car_elements[car_ele_name].state = car_state;
 260         pm::g_crr_car_elements[car_ele_name].changed = changed;
 261
 262         HMI_DEBUG("wm:pm", ">>> >>> NAME: %s", car_ele_name);
 263         HMI_DEBUG("wm:pm", ">>> >>> >>> STATE:%s", car_state.c_str());
 264         HMI_DEBUG("wm:pm", ">>> >>> >>> CHANGED:%d", changed);
 265     }
 266 }
 267
 268 static void updateLocalLayerState(int event_data, stm::stm_state_t crr_state) {
 269     int event_no, category_no, area_no;
 270
 271     event_no    = (event_data & STM_MSK_EVT_NO) - 1;
 272     category_no = ((event_data & STM_MSK_CTG_NO) >> 8) - 1;
 273     area_no     = ((event_data & STM_MSK_ARA_NO) >> 16) - 1;
 274
 275     std::string req_evt = std::string(stm::gStmEventName[event_no]);
 276     std::string req_ctg = std::string(stm::gStmCategoryName[category_no]);
 277     std::string req_area = std::string(stm::gStmAreaName[area_no]);
 278     std::string req_role = pm::g_req_role_list[event_data];
 279     HMI_DEBUG("wm:pm", "REQ: event:%s role:%s category:%s area:%s",
 280         req_evt.c_str(), req_role.c_str(), req_ctg.c_str(), req_area.c_str());
 281
 282     // Store previous layers
 283     pm::g_prv_layers = pm::g_crr_layers;
 284
 285     // Update layers
 286     for (int layer_no = stm::gStmLayerNoMin;
 287          layer_no <= stm::gStmLayerNoMax; layer_no++) {
 288         const char* layer_name = stm::gStmLayerName[layer_no];
 289         HMI_DEBUG("wm:pm", "LAYER:%s", layer_name);
 290
 291 #if 1
 292         // If restriction mode is changed off -> on,
 293         // store current state for state of restriction mode off
 294         if ((crr_state.car_element[stm::gStmCarElementNoRestrictionMode].is_changed)
 295             && (stm::gStmRestrictionModeStateNoOn == crr_state.car_element[stm::gStmCarElementNoRestrictionMode].state)) {
 296             HMI_DEBUG("wm:lm", "Store current state for state of restriction mode off");
 297             pm::g_prv_layers_car_stop[layer_name] = pm::g_crr_layers[layer_name];
 298         }
 299 #else
 300         // If car state is changed car_stop -> car_run,
 301         // store current state for state of car stop
 302         if ((crr_state.car.is_changed)
 303             && (stm::gStmRunningNoRun == crr_state.car.state)) {
 304             HMI_DEBUG("wm:lm", "Store current state for state of car stop");
 305             pm::g_prv_layers_car_stop[layer_name] = pm::g_crr_layers[layer_name];
 306         }
 307 #endif
 308
 309
 310         // This layer is changed?
 311         if (crr_state.layer[layer_no].is_changed) {
 312             // Get previous layout name of this layer
 313             pm::LayoutState prv_layout_state =  pm::g_prv_layers[layer_name].layout_state;
 314             std::string prv_layout_name = prv_layout_state.name;
 315
 316             // Get current layout name of this layer
 317             int crr_layout_state_no =  crr_state.layer[layer_no].state;
 318             std::string crr_layout_name = std::string(stm::gStmLayoutNo2Name[crr_layout_state_no]);
 319
 320             pm::LayoutState crr_layout_state;
 321 #if 1
 322             if ((crr_state.car_element[stm::gStmCarElementNoRestrictionMode].is_changed)
 323                 && (stm::gStmRestrictionModeStateNoOff == crr_state.car_element[stm::gStmCarElementNoRestrictionMode].state)) {
 324                 // If restriction mode is changed on -> off,
 325                 // restore state of restriction mode off
 326                 HMI_DEBUG("wm:lm", "Restriction mode is changed on -> off, so restore state of restriction mode off");
 327                 crr_layout_state = pm::g_prv_layers_car_stop[layer_name].layout_state;
 328 #else
 329             if ((crr_state.car_element[gStmCarElementNoRunning].is_changed)
 330                 && (stm::gStmCarElementNoStop == crr_state.car_element[gStmCarElementNoRunning].state)) {
 331                 // If car state is changed car_run -> car_stop,
 332                 // restore state of car stop
 333                 HMI_DEBUG("wm:lm", "Car state is changed car_run -> car_stop, so restore state of car stop");
 334                 crr_layout_state = pm::g_prv_layers_car_stop[layer_name].layout_state;
 335 #endif
 336             }
 337             else {
 338                 // Copy previous layout state for current
 339                 crr_layout_state = prv_layout_state;
 340
 341                 if (prv_layout_name == crr_layout_name) {
 342                     HMI_DEBUG("wm:lm", "Previous layout is same with current");
 343                 }
 344                 else {
 345                     // If previous layout is NOT same with current,
 346                     // current areas is set with default value
 347                     HMI_DEBUG("wm:lm", "Previous layout is NOT same with current");
 348                     crr_layout_state.name         = pm::g_default_layouts[crr_layout_name].name;
 349                     crr_layout_state.category_num = pm::g_default_layouts[crr_layout_name].category_num;
 350                     crr_layout_state.area_list    = pm::g_default_layouts[crr_layout_name].area_list;
 351                 }
 352
 353                 // Create candidate list
 354                 std::map<std::string, pm::AreaList> cand_list;
 355                 for (int ctg_no=stm::gStmCategoryNoMin;
 356                      ctg_no<=stm::gStmCategoryNoMax; ctg_no++) {
 357                     const char* ctg = stm::gStmCategoryName[ctg_no];
 358                     HMI_DEBUG("wm:pm", "ctg:%s", ctg);
 359
 360                     // Create candidate list for category from the previous displayed categories
 361                     pm::AreaList tmp_cand_list;
 362                     for (pm::AreaState area_state : prv_layout_state.area_list) {
 363                         if (std::string(ctg) == area_state.category) {
 364                             // If there is the category which is same with new category in previous layout,
 365                             // push it to list
 366                             HMI_DEBUG("wm:pm", "Push to candidate list category:%s role:%s",
 367                                       area_state.category.c_str(), area_state.role.c_str());
 368                             tmp_cand_list.push_back(area_state);
 369                         }
 370                     }
 371
 372                     int candidate_num = prv_layout_state.category_num[ctg];
 373                     int blank_num = crr_layout_state.category_num[ctg];
 374                     HMI_DEBUG("wm:pm", "blank_num:%d candidate_num:%d", blank_num, candidate_num);
 375
 376                     // If requested event is "activate"
 377                     // and there are requested category and area,
 378                     // update area with requested role in current layout.
 379                     bool request_for_this_layer = false;
 380                     bool updated = false;
 381                     if ((ctg == req_ctg) && ("activate" == req_evt) ) {
 382                         HMI_DEBUG("wm:pm", "requested event is activate");
 383                         for (pm::AreaState &as : crr_layout_state.area_list) {
 384                             if (as.category == req_ctg) {
 385                                 request_for_this_layer = true;
 386
 387                                 if (as.name == req_area) {
 388                                     HMI_DEBUG("wm:pm", "Update current layout: area:%s category:%s role:%s",
 389                                               as.name.c_str(), as.category.c_str(), as.role.c_str());
 390                                     as.role = req_role;
 391                                     blank_num--;
 392                                     updated = true;
 393                                     break;
 394                                 }
 395                             }
 396                         }
 397
 398                         // If NOT updated: there is not requested area in new layout,
 399                         // so push requested role to candidate list
 400                         if (request_for_this_layer && (!updated)) {
 401                             HMI_DEBUG("wm:pm", "Push request to candidate list");
 402                             pm::AreaState area_state;
 403                             area_state.name = req_area;
 404                             area_state.category = req_ctg;
 405                             area_state.role = req_role;
 406                             tmp_cand_list.push_back(area_state);
 407                         }
 408                     }
 409
 410                     // Compare number of candidate/blank,
 411                     // And remove role in order of the oldest as necessary
 412                     if (candidate_num < blank_num) {
 413                         // Refer history stack
 414                         // and add to the top of tmp_cand_list in order to the newest
 415                         while (candidate_num != blank_num) {
 416                             pm::AreaState area_state;
 417                             area_state.name = "";
 418                             area_state.category = ctg;
 419                             if (0 != crr_layout_state.role_history[ctg].size()) {
 420                                 HMI_ERROR("wm:pm", "Use role in history stack:%s",
 421                                           crr_layout_state.role_history[ctg].back().c_str());
 422                                 area_state.role = crr_layout_state.role_history[ctg].back();
 423                                 crr_layout_state.role_history[ctg].pop_back();
 424                             }
 425                             else {
 426                                 HMI_ERROR("wm:pm", "There is no role in history stack!!");
 427                                 area_state.role = "";
 428                             }
 429                             tmp_cand_list.push_back(area_state);
 430                             candidate_num++;
 431                         }
 432                     }
 433                     else if (candidate_num > blank_num) {
 434                         HMI_DEBUG("wm:pm", "candidate_num > blank_num");
 435
 436                         // Remove the oldest role from candidate list
 437                         while (candidate_num != blank_num) {
 438                             std::string removed_role = tmp_cand_list.begin()->role;
 439                             HMI_DEBUG("wm:pm", "Remove the oldest data(role:%s) from tmp_cand_list",
 440                                       removed_role.c_str());
 441                             tmp_cand_list.erase(tmp_cand_list.begin());
 442                             candidate_num--;
 443
 444                             // Push removed data to history stack
 445                             crr_layout_state.role_history[ctg].push_back(removed_role);
 446                         }
 447                     }
 448                     else {  // (candidate_num == blank_num)
 449                         // nop
 450                     }
 451
 452                     cand_list[ctg] = tmp_cand_list;
 453                 }
 454
 455                 // Update areas
 456                 for (pm::AreaState &as : crr_layout_state.area_list) {
 457                     HMI_DEBUG("wm:pm", "Current area info area:%s category:%s",
 458                               as.name.c_str(), as.category.c_str());
 459                     if ("" == as.role) {
 460                         HMI_DEBUG("wm:pm", "Update this area with role:%s",
 461                                   cand_list[as.category].begin()->role.c_str());
 462                         as.role = cand_list[as.category].begin()->role;
 463                         cand_list[as.category].erase(cand_list[as.category].begin());
 464                     }
 465                 }
 466             }
 467             // Update current layout of this layer
 468             pm::g_crr_layers[layer_name].layout_state = crr_layout_state;
 469             pm::g_crr_layers[layer_name].changed = crr_state.layer[layer_no].is_changed;
 470         }
 471     }
 472
 473     // Erase role for the event_data from list
 474     pm::g_req_role_list.erase(event_data);
 475
 476     // Check
 477     for (auto itr : pm::g_crr_layers) {
 478         pm::LayerState ls = itr.second;
 479         HMI_DEBUG("wm:pm", ">>> LAYER:%s",ls.name.c_str());
 480         HMI_DEBUG("wm:pm", ">>> >>> LAYOUT:%s", ls.layout_state.name.c_str());
 481
 482         for (pm::AreaState as : ls.layout_state.area_list) {
 483             HMI_DEBUG("wm:pm", ">>> >>> >>> AREA:%s", as.name.c_str());
 484             HMI_DEBUG("wm:pm", ">>> >>> >>> >>> CTG:%s", as.category.c_str());
 485             HMI_DEBUG("wm:pm", ">>> >>> >>> >>> ROLE:%s", as.role.c_str());
 486         }
 487         HMI_DEBUG("wm:pm", ">>> >>> CHANGED:%d", ls.changed);
 488     }
 489 }
 490
 491 static void updateLocalState(int event_data, stm::stm_state_t crr_state) {
 492     updateLocalCarElementState(crr_state);
 493     updateLocalLayerState(event_data, crr_state);
 494 }
 495
 496 static void createOutputInformation(stm::stm_state_t crr_state, json_object **json_out) {
 497     json_object* json_tmp;
 498
 499     // Create car element information
 500     // {
 501     //     "car_elements": [
 502     //     {
 503     //         "parking_brake": {
 504     //             "is_changed": <bool>,
 505     //             "state": <const char*>
 506     //         },
 507     //         ...
 508     //     },
 509     json_object* json_car_ele = json_object_new_array();
 510     const char* car_ele_name;
 511     for (int car_ele_no = stm::gStmCarElementNoMin;
 512          car_ele_no <= stm::gStmCarElementNoMax; car_ele_no++) {
 513         car_ele_name = stm::gStmCarElementName[car_ele_no];
 514         json_tmp = json_object_new_object();
 515         addStateToJson(car_ele_name,
 516                        pm::g_crr_car_elements[car_ele_name].changed,
 517                        pm::g_crr_car_elements[car_ele_name].state,
 518                        &json_tmp);
 519         json_object_array_add(json_car_ele, json_tmp);
 520     }
 521     json_object_object_add(*json_out, "car_elements", json_car_ele);
 522
 523     // Create layout information
 524     //
 525     //     "layers": [
 526     //     {
 527     //         "homescreen": {
 528     //             "changed": <bool>,
 529     //             "areas": [
 530     //             {
 531     //                 "name":<const char*>,
 532     //                 "role":<const char*>
 533     //             }.
 534     //             ...
 535     //             ]
 536     //         }
 537     //     },
 538     //     ...
 539     json_object* json_layer = json_object_new_array();
 540     const char* layer_name;
 541     for (int layer_no = stm::gStmLayerNoMin;
 542          layer_no <= stm::gStmLayerNoMax; layer_no++) {
 543         layer_name = stm::gStmLayerName[layer_no];
 544         json_tmp = json_object_new_object();
 545         addStateToJson(layer_name,
 546                        pm::g_crr_layers[layer_name].changed,
 547                        pm::g_crr_layers[layer_name].layout_state.area_list,
 548                        &json_tmp);
 549         json_object_array_add(json_layer, json_tmp);
 550     }
 551     json_object_object_add(*json_out, "layers", json_layer);
 552 }
 553
 554 static int checkPolicyEntry(int event, uint64_t delay_ms, std::string role);
 555 static void controlTimerEvent(stm::stm_state_t crr_state) {
 556     if (crr_state.car_element[stm::gStmCarElementNoRunning].is_changed) {
 557         if (stm::gStmRunningNoRun == crr_state.car_element[stm::gStmCarElementNoRunning].state) {
 558             // Set delay event(restriction mode on)
 559             checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_ON, 3000, "");
 560         }
 561         else if (stm::gStmRunningNoStop == crr_state.car_element[stm::gStmCarElementNoRunning].state) {
 562             // Stop timer for restriction on event
 563             if (pm::event_source_list.find(STM_EVT_NO_RESTRICTION_MODE_ON)
 564               != pm::event_source_list.end()) {
 565                 HMI_DEBUG("wm:pm", "Stop timer for restriction on");
 566                 sd_event_source *event_source
 567                     = pm::event_source_list[STM_EVT_NO_RESTRICTION_MODE_ON];
 568                 int ret = sd_event_source_set_enabled(event_source, SD_EVENT_OFF);
 569                 if (0 > ret) {
 570                     HMI_ERROR("wm:pm", "Failed to stop timer");
 571                 }
 572             }
 573
 574             // Set event(restriction mode off)
 575             checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_OFF, 0, "");
 576         }
 577     }
 578 }
 579
 580 static int checkPolicy(sd_event_source *source, void *data) {
 581     HMI_DEBUG("wm:pm", "Call");
 582     HMI_DEBUG("wm:pm", ">>>>>>>>>> START CHECK POLICY");
 583
 584     int event_data = *((int*)data);
 585
 586     int event_no, category_no, area_no;
 587     event_no    = (event_data & STM_MSK_EVT_NO) - 1;
 588     category_no = ((event_data & STM_MSK_CTG_NO) >> 8) - 1;
 589     area_no     = ((event_data & STM_MSK_ARA_NO) >> 16) - 1;
 590     HMI_DEBUG("wm:pm", ">>>>>>>>>> event:%s category:%s area:%s",
 591               stm::gStmEventName[event_no],
 592               stm::gStmCategoryName[category_no],
 593               stm::gStmAreaName[area_no]);
 594
 595     // Transition state
 596     stm::stm_state_t crr_state;
 597     int ret = stm::stmTransitionState(event_data, &crr_state);
 598     if (0 > ret) {
 599         HMI_ERROR("wm:pm", "Failed transition state");
 600         if (nullptr != pm::callback.onError) {
 601             json_object* json_out = json_object_new_object();
 602             json_object_object_add(json_out, "message",
 603                                    json_object_new_string("Failed to transition state"));
 604             json_object_object_add(json_out, "event",
 605                                    json_object_new_string(stm::gStmEventName[event_no]));
 606             json_object_object_add(json_out, "role",
 607                                    json_object_new_string(pm::g_req_role_list[event_data].c_str()));
 608             json_object_object_add(json_out, "area",
 609                                    json_object_new_string(stm::gStmAreaName[area_no]));
 610             pm::callback.onError(json_out);
 611             json_object_put(json_out);
 612         }
 613         return -1;
 614     }
 615
 616     // Update state which is managed by PolicyManager
 617     updateLocalState(event_data, crr_state);
 618
 619     // Create output information for ResourceManager
 620     json_object* json_out = json_object_new_object();
 621     createOutputInformation(crr_state, &json_out);
 622
 623     // Notify changed state
 624     if (nullptr != pm::callback.onStateTransitioned) {
 625         pm::callback.onStateTransitioned(json_out);
 626     }
 627
 628     // Start/Stop timer events
 629     controlTimerEvent(crr_state);
 630
 631     // Release json_object
 632     json_object_put(json_out);
 633
 634     // Release data
 635     delete (int*)data;
 636
 637     // Destroy sd_event_source object
 638     sd_event_source_unref(source);
 639
 640     // Remove event source from list
 641     if (pm::event_source_list.find(event_data) != pm::event_source_list.end()) {
 642         pm::event_source_list.erase(event_data);
 643     }
 644
 645     HMI_DEBUG("wm:pm", ">>>>>>>>>> FINISH CHECK POLICY");
 646     return 0;
 647 }
 648
 649 static int timerEvent(sd_event_source *source, uint64_t usec, void *data) {
 650     HMI_DEBUG("wm:pm", "Call");
 651
 652     int ret = checkPolicy(source, data);
 653     return ret;
 654 }
 655
 656 static int checkPolicyEntry(int event, uint64_t delay_ms, std::string role)
 657 {
 658     HMI_DEBUG("wm:pm", "Call");
 659     HMI_DEBUG("wm:pm", "event:0x%x delay:%d role:%s", event, delay_ms, role.c_str());
 660
 661     // Store requested role
 662     pm::g_req_role_list[event] = role;
 663
 664     if (0 == delay_ms) {
 665         int ret = sd_event_add_defer(pm::event_loop, NULL,
 666                                      &checkPolicy, new int(event));
 667         if (0 > ret) {
 668             HMI_ERROR("wm:pm", "Faild to sd_event_add_defer: errno:%d", ret);
 669             pm::g_req_role_list.erase(event);
 670             return -1;
 671         }
 672     }
 673     else {
 674         // Get current time
 675         struct timespec time_spec;
 676         clock_gettime(CLOCK_MONOTONIC, &time_spec);
 677
 678         // Calculate timer fired time
 679         uint64_t usec = (time_spec.tv_sec * 1000000)
 680             + (time_spec.tv_nsec / 1000)
 681             + (delay_ms * 1000);
 682
 683         // Set timer
 684         struct sd_event_source* event_source;
 685         int ret = sd_event_add_time(pm::event_loop, &event_source, CLOCK_MONOTONIC, usec, 1,
 686                                     &timerEvent, new int(event));
 687         if (0 > ret) {
 688             HMI_ERROR("wm:pm", "Faild to sd_event_add_time: errno:%d", ret);
 689             pm::g_req_role_list.erase(event);
 690             return -1;
 691         }
 692
 693         // Store event source
 694         pm::event_source_list[event] = event_source;
 695     }
 696
 697     return 0;
 698 }
 699
 700 void PolicyManager::registerCallback(CallbackTable callback) {
 701     HMI_DEBUG("wm:pm", "Call");
 702
 703     pm::callback.onStateTransitioned = callback.onStateTransitioned;
 704     pm::callback.onError             = callback.onError;
 705 }
 706
 707 int PolicyManager::setInputEventData(json_object* json_in) {
 708     HMI_DEBUG("wm:pm", "Call");
 709
 710     // Check arguments
 711     if (nullptr == json_in) {
 712         HMI_ERROR("wm:pm", "Argument is NULL!!");
 713         return -1;
 714     }
 715
 716     // Get event from json_object
 717     const char* event = this->getStringFromJson(json_in, "event");
 718     int event_no = 0;
 719     if (nullptr != event) {
 720         // Convert name to number
 721         event_no = this->eventname2no_[event];
 722         HMI_DEBUG("wm:pm", "event(%s:%d)", event, event_no);
 723     }
 724
 725     // Get role from json_object
 726     const char* role = this->getStringFromJson(json_in, "role");
 727     int category_no = 0;
 728     if (nullptr != role) {
 729         HMI_DEBUG("wm:pm", "role(%s)", role);
 730
 731         // Convert role to category
 732         const char* category = this->role2category_[role].c_str();
 733         if (0 == strcmp("", category)) {
 734             HMI_ERROR("wm:pm", "Error!!");
 735             return -1;
 736         }
 737         HMI_DEBUG("wm:pm", "category(%s)", category);
 738
 739         // Convert name to number
 740         category_no = categoryname2no_[category];
 741         HMI_DEBUG("wm:pm", "role(%s), category(%s:%d)", role, category, category_no);
 742     }
 743
 744     // Get areat from json_object
 745     const char* area = this->getStringFromJson(json_in, "area");
 746     int area_no = 0;
 747     if (nullptr != area) {
 748         // Convert name to number
 749         area_no = areaname2no_[area];
 750         HMI_DEBUG("wm:pm", "area(%s:%d)", area, area_no);
 751     }
 752
 753     // Set event info to the queue
 754     pm::EventInfo event_info;
 755     event_info.event = (event_no | category_no | area_no);
 756     if (nullptr == role) {
 757         event_info.role = std::string("");
 758     }
 759     else {
 760         event_info.role = std::string(role);
 761     }
 762     event_info.delay = 0;
 763     pm::g_event_info_queue.push(event_info);
 764
 765     return 0;
 766 }
 767
 768 int PolicyManager::executeStateTransition() {
 769     HMI_DEBUG("wm:pm", "Call");
 770
 771     int ret;
 772     pm::EventInfo event_info;
 773
 774     while (!pm::g_event_info_queue.empty()) {
 775         // Get event info from queue and delete
 776         event_info = pm::g_event_info_queue.front();
 777         pm::g_event_info_queue.pop();
 778
 779         // Set event info for checking policy
 780         ret = checkPolicyEntry(event_info.event, event_info.delay, event_info.role);
 781     }
 782     return ret;
 783 }
 784
 785 void PolicyManager::undoState() {
 786     HMI_DEBUG("wm:pm", "Call");
 787
 788     // Undo state of STM
 789     stm::stmUndoState();
 790
 791     pm::g_crr_layers = pm::g_prv_layers;
 792 }
 793
 794 extern const char* kDefaultRoleDb;
 795 int PolicyManager::loadRoleDb() {
 796     HMI_DEBUG("wm:pm", "Call");
 797
 798     std::string file_name;
 799
 800     // Get afm application installed dir
 801     char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
 802     HMI_DEBUG("wm:pm", "afm_app_install_dir:%s", afm_app_install_dir);
 803
 804     if (!afm_app_install_dir) {
 805         HMI_ERROR("wm:pm", "AFM_APP_INSTALL_DIR is not defined");
 806     }
 807     else {
 808         file_name = std::string(afm_app_install_dir) + std::string("/etc/role.db");
 809     }
 810
 811     // Load role.db
 812     json_object* json_obj;
 813     int ret = this->inputJsonFilie(file_name.c_str(), &json_obj);
 814     if (0 > ret) {
 815         HMI_ERROR("wm:pm", "Could not open role.db, so use default role information");
 816         json_obj = json_tokener_parse(kDefaultRoleDb);
 817     }
 818     HMI_DEBUG("wm:pm", "json_obj dump:%s", json_object_get_string(json_obj));
 819
 820     json_object* json_roles;
 821     if (!json_object_object_get_ex(json_obj, "roles", &json_roles)) {
 822         HMI_ERROR("wm:pm", "Parse Error!!");
 823         return -1;
 824     }
 825
 826     int len = json_object_array_length(json_roles);
 827     HMI_DEBUG("wm:pm", "json_cfg len:%d", len);
 828     HMI_DEBUG("wm:pm", "json_cfg dump:%s", json_object_get_string(json_roles));
 829
 830     json_object* json_tmp;
 831     const char* category;
 832     const char* roles;
 833     const char* areas;
 834     for (int i=0; i<len; i++) {
 835         json_tmp = json_object_array_get_idx(json_roles, i);
 836
 837         category = this->getStringFromJson(json_tmp, "category");
 838         roles =  this->getStringFromJson(json_tmp, "role");
 839         areas =  this->getStringFromJson(json_tmp, "area");
 840
 841         if ((nullptr == category) || (nullptr == roles) || (nullptr == areas)) {
 842             HMI_ERROR("wm:pm", "Parse Error!!");
 843             return -1;
 844         }
 845
 846         // Parse roles by '|'
 847         std::vector<std::string> vct_roles;
 848         vct_roles = this->parseString(std::string(roles), '|');
 849
 850         // Parse areas by '|'
 851         std::vector<std::string> vct_areas;
 852         vct_areas = this->parseString(std::string(areas), '|');
 853
 854         // Set role, category, default area
 855         for (auto itr = vct_roles.begin(); itr != vct_roles.end(); ++itr) {
 856             // Delete space from role and area name
 857             std::string role = this->deleteSpace(*itr);
 858             std::string area = this->deleteSpace(vct_areas[0]);
 859
 860             this->role2category_[role] = std::string(category);
 861             this->role2defaultarea_[role] = area;
 862         }
 863
 864         this->category2role_[std::string(category)] = std::string(roles);
 865     }
 866
 867     // Check
 868     HMI_DEBUG("wm:pm", "Check role2category_");
 869     for (auto& x:this->role2category_){
 870         HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
 871     }
 872
 873     HMI_DEBUG("wm:pm", "Check role2defaultarea_");
 874     for (auto& x:this->role2defaultarea_){
 875         HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
 876     }
 877
 878     HMI_DEBUG("wm:pm", "Check category2role_");
 879     for (auto& x:this->category2role_){
 880         HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
 881     }
 882
 883     return 0;
 884 }
 885
 886 extern const char* kDefaultLayoutDb;
 887 int PolicyManager::loadLayoutDb() {
 888     HMI_DEBUG("wm:lm", "Call");
 889
 890     // Get afm application installed dir
 891     char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
 892     HMI_DEBUG("wm:pm", "afm_app_install_dir:%s", afm_app_install_dir);
 893
 894     std::string file_name;
 895     if (!afm_app_install_dir) {
 896         HMI_ERROR("wm:pm", "AFM_APP_INSTALL_DIR is not defined");
 897     }
 898     else {
 899         file_name = std::string(afm_app_install_dir) + std::string("/etc/layout.db");
 900     }
 901
 902     // Load layout.db
 903     json_object* json_obj;
 904     int ret = this->inputJsonFilie(file_name.c_str(), &json_obj);
 905     if (0 > ret) {
 906         HMI_DEBUG("wm:pm", "Could not open layout.db, so use default layout information");
 907         json_obj = json_tokener_parse(kDefaultLayoutDb);
 908     }
 909     HMI_DEBUG("wm:pm", "json_obj dump:%s", json_object_get_string(json_obj));
 910
 911     // Perse layouts
 912     HMI_DEBUG("wm:pm", "Perse layouts");
 913     json_object* json_cfg;
 914     if (!json_object_object_get_ex(json_obj, "layouts", &json_cfg)) {
 915         HMI_ERROR("wm:pm", "Parse Error!!");
 916         return -1;
 917     }
 918
 919     int len = json_object_array_length(json_cfg);
 920     HMI_DEBUG("wm:pm", "json_cfg len:%d", len);
 921     HMI_DEBUG("wm:pm", "json_cfg dump:%s", json_object_get_string(json_cfg));
 922
 923     const char* layout;
 924     const char* role;
 925     const char* category;
 926     for (int i=0; i<len; i++) {
 927         json_object* json_tmp = json_object_array_get_idx(json_cfg, i);
 928
 929         layout = this->getStringFromJson(json_tmp, "name");
 930         if (nullptr == layout) {
 931             HMI_ERROR("wm:pm", "Parse Error!!");
 932             return -1;
 933         }
 934         HMI_DEBUG("wm:pm", "> layout:%s", layout);
 935
 936         json_object* json_area_array;
 937         if (!json_object_object_get_ex(json_tmp, "areas", &json_area_array)) {
 938           HMI_ERROR("wm:pm", "Parse Error!!");
 939           return -1;
 940         }
 941
 942         int len_area = json_object_array_length(json_area_array);
 943         HMI_DEBUG("wm:pm", "json_area_array len:%d", len_area);
 944         HMI_DEBUG("wm:pm", "json_area_array dump:%s", json_object_get_string(json_area_array));
 945
 946         pm::LayoutState layout_state;
 947         pm::AreaState area_state;
 948         std::map<std::string, int> category_num;
 949         for (int ctg_no = stm::gStmCategoryNoMin;
 950              ctg_no <= stm::gStmCategoryNoMax; ctg_no++) {
 951             const char* ctg_name = stm::gStmCategoryName[ctg_no];
 952             category_num[ctg_name] = 0;
 953         }
 954
 955         for (int j=0; j<len_area; j++) {
 956             json_object* json_area = json_object_array_get_idx(json_area_array, j);
 957
 958             // Get area name
 959             const char* area = this->getStringFromJson(json_area, "name");
 960             if (nullptr == area) {
 961               HMI_ERROR("wm:pm", "Parse Error!!");
 962               return -1;
 963             }
 964             area_state.name = std::string(area);
 965             HMI_DEBUG("wm:pm", ">> area:%s", area);
 966
 967             // Get app attribute of the area
 968             category = this->getStringFromJson(json_area, "category");
 969             if (nullptr == category) {
 970                 HMI_ERROR("wm:pm", "Parse Error!!");
 971                 return -1;
 972             }
 973             area_state.category = std::string(category);
 974             category_num[category]++;
 975             HMI_DEBUG("wm:pm", ">>> category:%s", category);
 976
 977             role = this->getStringFromJson(json_area, "role");
 978             if (nullptr != role) {
 979                 // Role is NOT essential here
 980                 area_state.role = std::string(role);
 981             }
 982             else {
 983                 area_state.role = std::string("");
 984
 985             }
 986             HMI_DEBUG("wm:pm", ">>> role:%s", role);
 987
 988             layout_state.area_list.push_back(area_state);
 989
 990         }
 991
 992         layout_state.name = layout;
 993         layout_state.category_num = category_num;
 994         pm::g_default_layouts[layout] = layout_state;
 995     }
 996
 997     // initialize for none layout
 998     pm::LayoutState none_layout_state;
 999     memset(&none_layout_state, 0, sizeof(none_layout_state));
1000     none_layout_state.name                 = "none";
1001     pm::g_default_layouts["none"] = none_layout_state;
1002
1003     // Check
1004     for(auto itr_layout = pm::g_default_layouts.begin();
1005       itr_layout != pm::g_default_layouts.end(); ++itr_layout) {
1006         HMI_DEBUG("wm:pm", ">>> layout:%s", itr_layout->first.c_str());
1007
1008         for (auto itr_area = itr_layout->second.area_list.begin();
1009           itr_area != itr_layout->second.area_list.end(); ++itr_area) {
1010             HMI_DEBUG("wm:pm", ">>> >>> area    :%s", itr_area->name.c_str());
1011             HMI_DEBUG("wm:pm", ">>> >>> category:%s", itr_area->category.c_str());
1012             HMI_DEBUG("wm:pm", ">>> >>> role    :%s", itr_area->role.c_str());
1013         }
1014     }
1015
1016     // Release json_object
1017     json_object_put(json_obj);
1018
1019     return 0;
1020 }
1021
1022 // TODO:
1023 // This function will be removed because json_helper has same function.
1024 // json_helper should be library.
1025 const char* PolicyManager::getStringFromJson(json_object* obj, const char* key) {
1026     if ((nullptr == obj) || (nullptr == key)) {
1027         HMI_ERROR("wm:pm", "Argument is nullptr!!!");
1028         return nullptr;
1029     }
1030
1031     json_object* tmp;
1032     if (!json_object_object_get_ex(obj, key, &tmp)) {
1033         HMI_DEBUG("wm:pm", "Not found key \"%s\"", key);
1034         return nullptr;
1035     }
1036
1037     return json_object_get_string(tmp);
1038 }
1039
1040 // TODO:
1041 // This function will be removed because json_helper has same function.
1042 // json_helper should be library.
1043 int PolicyManager::inputJsonFilie(const char* file, json_object** obj) {
1044     const int input_size = 128;
1045     int ret = -1;
1046
1047     if ((nullptr == file) || (nullptr == obj)) {
1048         HMI_ERROR("wm:jh", "Argument is nullptr!!!");
1049         return ret;
1050     }
1051
1052     HMI_DEBUG("wm:jh", "Input file: %s", file);
1053
1054     // Open json file
1055     FILE *fp = fopen(file, "rb");
1056     if (nullptr == fp) {
1057         HMI_ERROR("wm:jh", "Could not open file");
1058         return ret;
1059     }
1060
1061     // Parse file data
1062     struct json_tokener *tokener = json_tokener_new();
1063     enum json_tokener_error json_error;
1064     char buffer[input_size];
1065     int block_cnt = 1;
1066     while (1) {
1067         size_t len = fread(buffer, sizeof(char), input_size, fp);
1068         *obj = json_tokener_parse_ex(tokener, buffer, len);
1069         if (nullptr != *obj) {
1070             HMI_DEBUG("wm:jh", "File input is success");
1071             ret = 0;
1072             break;
1073         }
1074
1075         json_error = json_tokener_get_error(tokener);
1076         if ((json_tokener_continue != json_error)
1077             || (input_size > len)) {
1078             HMI_ERROR("wm:jh", "Failed to parse file (byte:%d err:%s)",
1079                       (input_size * block_cnt), json_tokener_error_desc(json_error));
1080             HMI_ERROR("wm:jh", "\n%s", buffer);
1081             *obj = nullptr;
1082             break;
1083         }
1084         block_cnt++;
1085     }
1086
1087     // Close json file
1088     fclose(fp);
1089
1090     // Free json_tokener
1091     json_tokener_free(tokener);
1092
1093     return ret;
1094 }
1095
1096 std::vector<std::string> PolicyManager::parseString(std::string str, char delimiter) {
1097     // Parse string by delimiter
1098     std::vector<std::string> vct;
1099     std::stringstream ss{str};
1100     std::string buf;
1101     while (std::getline(ss, buf, delimiter)) {
1102       if (!buf.empty()) {
1103         vct.push_back(buf);
1104       }
1105     }
1106     return vct;
1107 }
1108
1109 std::string PolicyManager::deleteSpace(std::string str) {
1110     std::string ret = str;
1111     size_t pos;
1112     while ((pos = ret.find_first_of(" ")) != std::string::npos) {
1113       ret.erase(pos, 1);
1114     }
1115     return ret;
1116 }
1117
1118 const char* kDefaultRoleDb = "{ \
1119     \"roles\":[ \
1120     { \
1121         \"category\": \"homescreen\", \
1122         \"role\": \"homescreen\", \
1123         \"area\": \"full\", \
1124     }, \
1125     { \
1126         \"category\": \"map\", \
1127         \"role\": \"map\", \
1128         \"area\": \"full | normal | split.main\", \
1129     }, \
1130     { \
1131         \"category\": \"general\", \
1132         \"role\": \"poi | music | video | browser | sdl | settings | mixer | radio | hvac | dashboard | debug\", \
1133         \"area\": \"normal\", \
1134     }, \
1135     { \
1136         \"category\": \"phone\", \
1137         \"role\": \"phone\", \
1138         \"area\": \"normal\", \
1139     }, \
1140     { \
1141         \"category\": \"splitable\", \
1142         \"role\": \"splitable1 | splitable2\", \
1143         \"area\": \"normal | split.main | split.sub\", \
1144     }, \
1145     { \
1146         \"category\": \"popup\", \
1147         \"role\": \"popup\", \
1148         \"area\": \"on_screen\", \
1149     }, \
1150     { \
1151         \"category\": \"system_alert\", \
1152         \"role\": \"system_alert\", \
1153         \"area\": \"on_screen\", \
1154     }, \
1155     { \
1156         \"category\": \"tbt\", \
1157         \"role\": \"tbt\", \
1158         \"area\": \"hud\", \
1159     } \
1160     ] \
1161 }";
1162
1163
1164 const char* kDefaultLayoutDb = "{ \
1165     \"layouts\": [ \
1166         { \
1167             \"name\": \"pu\", \
1168             \"layer\": \"on_screen\", \
1169             \"areas\": [ \
1170                 { \
1171                     \"name\": \"pop_up\", \
1172                     \"role\": \"incomming_call\" \
1173                 } \
1174             ] \
1175         }, \
1176         { \
1177             \"name\": \"sa\", \
1178             \"layer\": \"on_screen\", \
1179             \"areas\": [ \
1180                 { \
1181                     \"name\": \"system_alert\", \
1182                     \"role\": \"system_alert\" \
1183                 } \
1184             ] \
1185         }, \
1186         { \
1187             \"name\": \"m1\", \
1188             \"layer\": \"apps\", \
1189             \"areas\": [ \
1190                 { \
1191                     \"name\": \"normal\", \
1192                     \"role\": \"map\" \
1193                 } \
1194             ] \
1195         }, \
1196         { \
1197             \"name\": \"m2\", \
1198             \"layer\": \"apps\", \
1199             \"areas\": [ \
1200                 { \
1201                     \"name\": \"split.main\", \
1202                     \"role\": \"map\" \
1203                 }, \
1204                 { \
1205                     \"name\": \"split.sub\", \
1206                     \"category\": \"hvac\" \
1207                 } \
1208             ] \
1209         }, \
1210         { \
1211             \"name\": \"mf\", \
1212             \"layer\": \"apps\", \
1213             \"areas\": [ \
1214                 { \
1215                     \"name\": \"full\", \
1216                     \"role\": \"map\" \
1217                 } \
1218             ] \
1219         }, \
1220         { \
1221             \"name\": \"s1\", \
1222             \"layer\": \"apps\", \
1223             \"areas\": [ \
1224                 { \
1225                     \"name\": \"normal\", \
1226                     \"category\": \"splitable\" \
1227                 } \
1228             ] \
1229         }, \
1230         { \
1231             \"name\": \"s2\", \
1232             \"layer\": \"apps\", \
1233             \"areas\": [ \
1234                 { \
1235                     \"name\": \"split.main\", \
1236                     \"category\": \"splitable\" \
1237                 }, \
1238                 { \
1239                     \"name\": \"split.sub\", \
1240                     \"category\": \"splitable\" \
1241                 } \
1242             ] \
1243         }, \
1244         { \
1245             \"name\": \"g\", \
1246             \"layer\": \"apps\", \
1247             \"areas\": [ \
1248                 { \
1249                     \"name\": \"normal\", \
1250                     \"category\": \"general\" \
1251                 } \
1252             ] \
1253         }, \
1254         { \
1255             \"name\": \"hs\", \
1256             \"layer\": \"homescreen\", \
1257             \"areas\": [ \
1258                 { \
1259                     \"name\": \"full\", \
1260                     \"role\": \"homescreen\" \
1261                 } \
1262             ] \
1263         } \
1264     ], \
1265     \"areas\": [ \
1266         { \
1267             \"name\": \"normal\", \
1268             \"rect\": { \
1269                 \"x\": 0, \
1270                 \"y\": 218, \
1271                 \"w\": 1080, \
1272                 \"h\": 1488 \
1273             } \
1274         }, \
1275         { \
1276             \"name\": \"split.main\", \
1277             \"rect\": { \
1278                 \"x\": 0, \
1279                 \"y\": 218, \
1280                 \"w\": 1080, \
1281                 \"h\": 744 \
1282             } \
1283         }, \
1284         { \
1285             \"name\": \"split.sub\", \
1286             \"rect\": { \
1287                 \"x\": 0, \
1288                 \"y\": 962, \
1289                 \"w\": 1080, \
1290                 \"h\": 744 \
1291             } \
1292         }, \
1293         { \
1294             \"name\": \"full\", \
1295             \"rect\": { \
1296                 \"x\": 0, \
1297                 \"y\": 0, \
1298                 \"w\": 1080, \
1299                 \"h\": 1920 \
1300             } \
1301         }, \
1302         { \
1303             \"name\": \"pop_up\", \
1304             \"rect\": { \
1305                 \"x\": 0, \
1306                 \"y\": 640, \
1307                 \"w\": 1080, \
1308                 \"h\": 640 \
1309             } \
1310         }, \
1311         { \
1312             \"name\": \"system_alert\", \
1313             \"rect\": { \
1314                 \"x\": 0, \
1315                 \"y\": 640, \
1316                 \"w\": 1080, \
1317                 \"h\": 640 \
1318             } \
1319         } \
1320     ] \
1321 }";