src/policy_manager/policy_manager.cpp

   1 /*
   2  * Copyright (c) 2018 TOYOTA MOTOR CORPORATION
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17
  18 #include <fstream>
  19 #include <sstream>
  20 #include <istream>
  21 #include <thread>
  22 #include <map>
  23 #include <queue>
  24 #include <systemd/sd-event.h>
  25 #include <json-c/json.h>
  26 #include "policy_manager.hpp"
  27 #include "hmi-debug.h"
  28
  29 namespace stm {
  30 extern "C" {
  31 #include "dummy_stm.h"
  32 }
  33 } // namespace stm
  34
  35
  36 namespace pm {
  37 typedef struct AreaState {
  38     std::string name;
  39     std::string category;
  40     std::string role;
  41 } AreaState;
  42
  43 typedef std::vector<AreaState> AreaList;
  44 typedef struct LayoutState {
  45     std::string name;
  46     std::map<std::string, int> category_num;
  47     AreaList area_list;
  48     std::map<std::string, std::vector<std::string>> role_history;
  49 } LayoutState;
  50
  51 typedef struct LayerState {
  52     std::string name;
  53     LayoutState layout_state;
  54 } LayerState;
  55
  56 typedef struct EventInfo {
  57     int event;
  58     std::string role;
  59     uint64_t delay;
  60 } EventInfo;
  61
  62 struct sd_event* event_loop;
  63 std::map<int, struct sd_event_source*> event_source_list;
  64 std::map<int, std::string> g_req_role_list;
  65 PolicyManager::CallbackTable callback;
  66 std::queue<EventInfo> g_event_info_queue;
  67
  68 std::unordered_map<std::string, LayerState> g_prv_layers;
  69 std::unordered_map<std::string, LayerState> g_crr_layers;
  70 std::unordered_map<std::string, LayerState> g_prv_layers_car_stop;
  71 std::unordered_map<std::string, LayoutState> g_default_layouts;
  72 }  // namespace pm
  73
  74
  75 PolicyManager::PolicyManager() :
  76   eventname2no_(),
  77   categoryname2no_(),
  78   areaname2no_(),
  79   role2category_(),
  80   category2role_(),
  81   role2defaultarea_()
  82 {
  83     HMI_DEBUG("wm:pm", "Call");
  84 }
  85
  86 int PolicyManager::initialize() {
  87     HMI_DEBUG("wm:pm", "Call");
  88
  89     int ret = 0;
  90
  91     // Create convert map
  92     for (int i = stm::gStmEventNoMin; i <= stm::gStmEventNoMax; i++) {
  93         HMI_DEBUG("wm:pm", "event name:%s no:%d", stm::gStmEventName[i], stm::gStmEventNo[i]);
  94         this->eventname2no_[stm::gStmEventName[i]] = stm::gStmEventNo[i];
  95     }
  96
  97     for (int i = stm::gStmCategoryNoMin; i <= stm::gStmCategoryNoMax; i++) {
  98         HMI_DEBUG("wm:pm", "category name:%s no:%d", stm::gStmCategoryName[i], stm::gStmCategoryNo[i]);
  99         this->categoryname2no_[stm::gStmCategoryName[i]] = stm::gStmCategoryNo[i];
 100     }
 101
 102     for (int i = stm::gStmAreaNoMin; i <= stm::gStmAreaNoMax; i++) {
 103         HMI_DEBUG("wm:pm", "area name:%s no:%d", stm::gStmAreaName[i], stm::gStmAreaNo[i]);
 104         this->areaname2no_[stm::gStmAreaName[i]] = stm::gStmAreaNo[i];
 105     }
 106
 107     // Load role.db
 108     ret = this->loadRoleDb();
 109     if (0 > ret) {
 110         HMI_ERROR("wm:pm", "Load role.db Error!!");
 111         return ret;
 112     }
 113
 114     // Load layout.db
 115     ret = this->loadLayoutDb();
 116     if (0 > ret) {
 117         HMI_ERROR("wm:pm", "Load layout.db Error!!");
 118         return ret;
 119     }
 120
 121     // Initialize current/previous state of layers
 122     pm::AreaState init_area;
 123     pm::LayoutState init_layout;
 124     init_area.name     = "none";
 125     init_area.category = "none";
 126     init_area.role     = "none";
 127     init_layout.area_list.push_back(init_area);
 128
 129     for (int i = stm::gStmLayerNoMin; i <= stm::gStmLayerNoMax; i++) {
 130         const char* layer_name = stm::gStmLayerName[i];
 131         pm::g_crr_layers[layer_name].name          = layer_name;
 132         pm::g_crr_layers[layer_name].layout_state  = init_layout;
 133     }
 134
 135     pm::g_prv_layers = pm::g_crr_layers;
 136
 137     // Initialize StateTransitioner
 138     stm::stmInitialize();
 139
 140     // Initialize sd_event loop
 141     ret = this->initializeSdEventLoop();
 142     if (0 > ret) {
 143         HMI_ERROR("wm:pm", "Failed to initializeSdEventLoop!!");
 144         return ret;
 145     }
 146
 147     return ret;
 148 }
 149
 150 int PolicyManager::initializeSdEventLoop() {
 151     // Get default event loop object
 152     int ret = sd_event_new(&(pm::event_loop));
 153     if (0 > ret) {
 154         HMI_ERROR("wm:pm", "Faild to sd_event_default: errno:%d", ret);
 155         return -1;
 156     }
 157
 158     // Create thread for sd_event and detach
 159     std::thread sd_event_loop([this]() {
 160         while (1) {
 161             sd_event_run(pm::event_loop, 1000);
 162         }
 163     });
 164     sd_event_loop.detach();
 165
 166     return 0;
 167 }
 168
 169 static void addStateToJson(
 170   const char* key, int is_changed, const char* state, json_object** json_out) {
 171     if ((nullptr == key) || (nullptr == state) || (nullptr == json_out)) {
 172         HMI_ERROR("wm:pm", "Argument is nullptr!!!");
 173         return;
 174     }
 175
 176     json_object* json_obj = json_object_new_object();
 177     json_object_object_add(json_obj, "is_changed", json_object_new_boolean(is_changed));
 178     if (is_changed) {
 179         HMI_DEBUG("wm:pm", "%s: state changed (%s)", key, state);
 180         json_object_object_add(json_obj, "state", json_object_new_string(state));
 181     }
 182     json_object_object_add(*json_out, key, json_obj);
 183 }
 184
 185 static void addStateToJson(const char* layer_name, unsigned int changed,
 186                            pm::AreaList area_list, json_object** json_out) {
 187     if ((nullptr == layer_name) || (1 < changed) || (nullptr == json_out)) {
 188         HMI_ERROR("wm:pm", "Invalid argument!!!");
 189         return;
 190     }
 191
 192     json_object* json_areas = json_object_new_array();
 193     json_object* json_tmp;
 194     for (pm::AreaState as : area_list) {
 195         json_tmp = json_object_new_object();
 196         json_object_object_add(json_tmp, "name", json_object_new_string(as.name.c_str()));
 197         json_object_object_add(json_tmp, "role", json_object_new_string(as.role.c_str()));
 198         json_object_array_add(json_areas, json_tmp);
 199     }
 200
 201     json_object_object_add(*json_out, "name", json_object_new_string(layer_name));
 202     json_object_object_add(*json_out, "changed", json_object_new_boolean(changed));
 203     json_object_object_add(*json_out, "areas", json_areas);
 204 }
 205
 206 static void updateLocalState(int event_data, stm::stm_state_t crr_state) {
 207     int event_no, category_no, area_no;
 208
 209     event_no    = (event_data & STM_MSK_EVT_NO) - 1;
 210     category_no = ((event_data & STM_MSK_CTG_NO) >> 8) - 1;
 211     area_no     = ((event_data & STM_MSK_ARA_NO) >> 16) - 1;
 212
 213     std::string req_role = pm::g_req_role_list[event_data];
 214     std::string req_evt = std::string(stm::gStmEventName[event_no]);
 215     std::string req_ctg = std::string(stm::gStmCategoryName[category_no]);
 216     std::string req_area = std::string(stm::gStmAreaName[area_no]);
 217     HMI_DEBUG("wm:pm", "REQ: event:%s role%s category:%s area:%s",
 218         req_evt.c_str(), req_role.c_str(), req_ctg.c_str(), req_area.c_str());
 219
 220     // Store previous layers
 221     pm::g_prv_layers = pm::g_crr_layers;
 222
 223     // Update layers
 224     for (int layer_no = stm::gStmLayerNoMin;
 225          layer_no <= stm::gStmLayerNoMax; layer_no++) {
 226         const char* layer_name = stm::gStmLayerName[layer_no];
 227         HMI_DEBUG("wm:pm", "LAYER:%s", layer_name);
 228
 229 #if 1
 230         // If restriction mode is changed off -> on,
 231         // store current state for state of restriction mode off
 232         if ((crr_state.restriction_mode.is_changed)
 233             && (stm::gStmRestrictionModeStateNoOn == crr_state.restriction_mode.state)) {
 234             HMI_DEBUG("wm:lm", "Store current state for state of restriction mode off");
 235             pm::g_prv_layers_car_stop[layer_name] = pm::g_crr_layers[layer_name];
 236         }
 237 #else
 238         // If car state is changed car_stop -> car_run,
 239         // store current state for state of car stop
 240         if ((crr_state.car.is_changed)
 241             && (stm::gStmCarStateNoRun == crr_state.car.state)) {
 242             HMI_DEBUG("wm:lm", "Store current state for state of car stop");
 243             pm::g_prv_layers_car_stop[layer_name] = pm::g_crr_layers[layer_name];
 244         }
 245 #endif
 246
 247
 248         // This layer is changed?
 249         if (crr_state.layer[layer_no].is_changed) {
 250             // Get previous layout name of this layer
 251             pm::LayoutState prv_layout_state =  pm::g_prv_layers[layer_name].layout_state;
 252             std::string prv_layout_name = prv_layout_state.name;
 253
 254             // Get current layout name of this layer
 255             int crr_layout_state_no =  crr_state.layer[layer_no].state;
 256             std::string crr_layout_name = std::string(stm::gStmLayoutNo2Name[crr_layout_state_no]);
 257
 258             pm::LayoutState crr_layout_state;
 259 #if 1
 260             if ((crr_state.restriction_mode.is_changed)
 261                 && (stm::gStmRestrictionModeStateNoOff == crr_state.restriction_mode.state)) {
 262                 // If restriction mode is changed on -> off,
 263                 // restore state of restriction mode off
 264                 HMI_DEBUG("wm:lm", "Restriction mode is changed on -> off, so restore state of restriction mode off");
 265                 crr_layout_state = pm::g_prv_layers_car_stop[layer_name].layout_state;
 266 #else
 267             if ((crr_state.car.is_changed)
 268                 && (stm::gStmCarStateNoStop == crr_state.car.state)) {
 269                 // If car state is changed car_run -> car_stop,
 270                 // restore state of car stop
 271                 HMI_DEBUG("wm:lm", "Car state is changed car_run -> car_stop, so restore state of car stop");
 272                 crr_layout_state = pm::g_prv_layers_car_stop[layer_name].layout_state;
 273 #endif
 274             }
 275             else {
 276                 // Copy previous layout state for current
 277                 crr_layout_state = prv_layout_state;
 278
 279                 if (prv_layout_name == crr_layout_name) {
 280                     HMI_DEBUG("wm:lm", "Previous layout is same with current");
 281                 }
 282                 else {
 283                     // If previous layout is NOT same with current,
 284                     // current areas is set with default value
 285                     HMI_DEBUG("wm:lm", "Previous layout is NOT same with current");
 286                     crr_layout_state.name         = pm::g_default_layouts[crr_layout_name].name;
 287                     crr_layout_state.category_num = pm::g_default_layouts[crr_layout_name].category_num;
 288                     crr_layout_state.area_list    = pm::g_default_layouts[crr_layout_name].area_list;
 289                 }
 290
 291                 // Create candidate list
 292                 std::map<std::string, pm::AreaList> cand_list;
 293                 for (int ctg_no=stm::gStmCategoryNoMin;
 294                      ctg_no<=stm::gStmCategoryNoMax; ctg_no++) {
 295                     const char* ctg = stm::gStmCategoryName[ctg_no];
 296                     HMI_DEBUG("wm:pm", "ctg:%s", ctg);
 297
 298                     // Create candidate list for category from the previous displayed categories
 299                     pm::AreaList tmp_cand_list;
 300                     for (pm::AreaState area_state : prv_layout_state.area_list) {
 301                         if (std::string(ctg) == area_state.category) {
 302                             // If there is the category which is same with new category in previous layout,
 303                             // push it to list
 304                             HMI_DEBUG("wm:pm", "Push to candidate list category:%s role:%s",
 305                                       area_state.category.c_str(), area_state.role.c_str());
 306                             tmp_cand_list.push_back(area_state);
 307                         }
 308                     }
 309
 310                     int candidate_num = prv_layout_state.category_num[ctg];
 311                     int blank_num = crr_layout_state.category_num[ctg];
 312                     HMI_DEBUG("wm:pm", "blank_num:%d candidate_num:%d", blank_num, candidate_num);
 313
 314                     // If requested event is "activate"
 315                     // and there are requested category and area,
 316                     // update area with requested role in current layout.
 317                     bool request_for_this_layer = false;
 318                     bool updated = false;
 319                     if ((ctg == req_ctg) && ("activate" == req_evt) ) {
 320                         HMI_DEBUG("wm:pm", "requested event is activate");
 321                         for (pm::AreaState &as : crr_layout_state.area_list) {
 322                             if (as.category == req_ctg) {
 323                                 request_for_this_layer = true;
 324
 325                                 if (as.name == req_area) {
 326                                     HMI_DEBUG("wm:pm", "Update current layout: area:%s category:%s role:%s",
 327                                               as.name.c_str(), as.category.c_str(), as.role.c_str());
 328                                     as.role = req_role;
 329                                     blank_num--;
 330                                     updated = true;
 331                                     break;
 332                                 }
 333                             }
 334                         }
 335
 336                         // If NOT updated: there is not requested area in new layout,
 337                         // so push requested role to candidate list
 338                         if (request_for_this_layer && (!updated)) {
 339                             HMI_DEBUG("wm:pm", "Push request to candidate list");
 340                             pm::AreaState area_state;
 341                             area_state.name = req_area;
 342                             area_state.category = req_ctg;
 343                             area_state.role = req_role;
 344                             tmp_cand_list.push_back(area_state);
 345                         }
 346                     }
 347
 348                     // Compare number of candidate/blank,
 349                     // And remove role in order of the oldest as necessary
 350                     if (candidate_num < blank_num) {
 351                         // Refer history stack
 352                         // and add to the top of tmp_cand_list in order to the newest
 353                         while (candidate_num != blank_num) {
 354                             pm::AreaState area_state;
 355                             area_state.name = "";
 356                             area_state.category = ctg;
 357                             if (0 != crr_layout_state.role_history[ctg].size()) {
 358                                 HMI_ERROR("wm:pm", "Use role in history stack:%s",
 359                                           crr_layout_state.role_history[ctg].back().c_str());
 360                                 area_state.role = crr_layout_state.role_history[ctg].back();
 361                                 crr_layout_state.role_history[ctg].pop_back();
 362                             }
 363                             else {
 364                                 HMI_ERROR("wm:pm", "There is no role in history stack!!");
 365                                 area_state.role = "";
 366                             }
 367                             tmp_cand_list.push_back(area_state);
 368                             candidate_num++;
 369                         }
 370                     }
 371                     else if (candidate_num > blank_num) {
 372                         HMI_DEBUG("wm:pm", "candidate_num > blank_num");
 373
 374                         // Remove the oldest role from candidate list
 375                         while (candidate_num != blank_num) {
 376                             std::string removed_role = tmp_cand_list.begin()->role;
 377                             HMI_DEBUG("wm:pm", "Remove the oldest data(role:%s) from tmp_cand_list",
 378                                       removed_role.c_str());
 379                             tmp_cand_list.erase(tmp_cand_list.begin());
 380                             candidate_num--;
 381
 382                             // Push removed data to history stack
 383                             crr_layout_state.role_history[ctg].push_back(removed_role);
 384                         }
 385                     }
 386                     else {  // (candidate_num == blank_num)
 387                         // nop
 388                     }
 389
 390                     cand_list[ctg] = tmp_cand_list;
 391                 }
 392
 393                 // Update areas
 394                 for (pm::AreaState &as : crr_layout_state.area_list) {
 395                     HMI_DEBUG("wm:pm", "Current area info area:%s category:%s",
 396                               as.name.c_str(), as.category.c_str());
 397                     if ("" == as.role) {
 398                         HMI_DEBUG("wm:pm", "Update this area with role:%s",
 399                                   cand_list[as.category].begin()->role.c_str());
 400                         as.role = cand_list[as.category].begin()->role;
 401                         cand_list[as.category].erase(cand_list[as.category].begin());
 402                     }
 403                 }
 404             }
 405             // Update current layout of this layer
 406             pm::g_crr_layers[layer_name].layout_state = crr_layout_state;
 407         }
 408     }
 409
 410     // Check
 411     for (auto itr : pm::g_crr_layers) {
 412         pm::LayerState ls = itr.second;
 413         HMI_DEBUG("wm:pm", ">>> LAYER:%s",ls.name.c_str());
 414         HMI_DEBUG("wm:pm", ">>> >>> LAYOUT:%s", ls.layout_state.name.c_str());
 415
 416         for (pm::AreaState as : ls.layout_state.area_list) {
 417             HMI_DEBUG("wm:pm", ">>> >>> >>> AREA:%s", as.name.c_str());
 418             HMI_DEBUG("wm:pm", ">>> >>> >>> >>> CTG:%s", as.category.c_str());
 419             HMI_DEBUG("wm:pm", ">>> >>> >>> >>> ROLE:%s", as.role.c_str());
 420         }
 421     }
 422 }
 423
 424 void createOutputInformation(stm::stm_state_t crr_state, json_object **json_out) {
 425     // Create result
 426     // {
 427     //     "parking_brake": {
 428     //         "is_changed": <bool>,
 429     //         "state": <const char*>
 430     //     },
 431     addStateToJson("parking_brake",
 432                    crr_state.parking_brake.is_changed,
 433                    stm::gStmParkingBrakeStateNo2Name[crr_state.parking_brake.state],
 434                    json_out);
 435
 436     //     "accel_pedal": {
 437     //         "is_changed": <bool>,
 438     //         "state": <const char*>
 439     //     },
 440     addStateToJson("accel_pedal",
 441                    crr_state.accel_pedal.is_changed,
 442                    stm::gStmAccelPedalStateNo2Name[crr_state.accel_pedal.state],
 443                    json_out);
 444
 445     //     "lightstatus_brake": {
 446     //         "is_changed": <bool>,
 447     //         "state": <const char*>
 448     //     },
 449     addStateToJson("lightstatus_brake",
 450                    crr_state.lightstatus_brake.is_changed,
 451                    stm::gStmLightstatusBrakeStateNo2Name[crr_state.lightstatus_brake.state],
 452                    json_out);
 453
 454     //     "car": {
 455     //         "is_changed": <bool>,
 456     //         "state": <const char*>
 457     //     },
 458     addStateToJson("car",
 459                    crr_state.car.is_changed,
 460                    stm::gStmCarStateNo2Name[crr_state.car.state],
 461                    json_out);
 462
 463     //     "lamp": {
 464     //         "is_changed": <bool>,
 465     //         "state": <const char*>
 466     //     },
 467     addStateToJson("lamp",
 468                    crr_state.lamp.is_changed,
 469                    stm::gStmLampStateNo2Name[crr_state.lamp.state],
 470                    json_out);
 471
 472     //     "restriction_mode": {
 473     //         "is_changed": <bool>,
 474     //         "state": <const char*>
 475     //     },
 476     addStateToJson("restriction_mode",
 477                    crr_state.restriction_mode.is_changed,
 478                    stm::gStmRestrictionModeStateNo2Name[crr_state.restriction_mode.state],
 479                    json_out);
 480
 481     // Create layout information
 482     //
 483     //     "layers": [
 484     //     {
 485     //         "homescreen": {
 486     //             "changed": <bool>,
 487     //             "areas": [
 488     //             {
 489     //                 "name":<const char*>,
 490     //                 "role":<const char*>
 491     //             }.
 492     //             ...
 493     //             ]
 494     //         }
 495     //     },
 496     //     ...
 497     json_object* json_layer = json_object_new_array();
 498     json_object* json_tmp;
 499     for (int layer_no = stm::gStmLayerNoMin;
 500          layer_no <= stm::gStmLayerNoMax; layer_no++) {
 501         const char* layer_name = stm::gStmLayerName[layer_no];
 502         HMI_DEBUG("wm:pm", "LAYER:%s", layer_name);
 503
 504         json_tmp = json_object_new_object();
 505         addStateToJson(layer_name,
 506                        crr_state.layer[layer_no].is_changed,
 507                        pm::g_crr_layers[layer_name].layout_state.area_list,
 508                        &json_tmp);
 509         json_object_array_add(json_layer, json_tmp);
 510     }
 511
 512     // Add json array of layer
 513     json_object_object_add(*json_out, "layers", json_layer);
 514 }
 515
 516 static int checkPolicyEntry(int event, uint64_t delay_ms, std::string role);
 517 static int checkPolicy(sd_event_source *source, void *data) {
 518     HMI_DEBUG("wm:pm", "Call");
 519     HMI_DEBUG("wm:pm", ">>>>>>>>>> START CHECK POLICY");
 520
 521     int event_data = *((int*)data);
 522
 523     int event_no, category_no, area_no;
 524     event_no    = (event_data & STM_MSK_EVT_NO) - 1;
 525     category_no = ((event_data & STM_MSK_CTG_NO) >> 8) - 1;
 526     area_no     = ((event_data & STM_MSK_ARA_NO) >> 16) - 1;
 527     HMI_DEBUG("wm:pm", ">>>>>>>>>> event:%s category:%s area:%s",
 528               stm::gStmEventName[event_no],
 529               stm::gStmCategoryName[category_no],
 530               stm::gStmAreaName[area_no]);
 531
 532     // Transition state
 533     stm::stm_state_t crr_state;
 534     int ret = stm::stmTransitionState(event_data, &crr_state);
 535     if (0 > ret) {
 536         HMI_ERROR("wm:pm", "Error!!");
 537         return -1;
 538     }
 539
 540     HMI_DEBUG("wm:pm", "parking brake state     (is_changed:%d state:%d:%s)",
 541               crr_state.parking_brake.is_changed,
 542               crr_state.parking_brake.state,
 543               stm::gStmParkingBrakeStateNo2Name[crr_state.parking_brake.state]);
 544     HMI_DEBUG("wm:pm", "accelerator pedal state (is_changed:%d state:%d:%s)",
 545               crr_state.accel_pedal.is_changed,
 546               crr_state.accel_pedal.state,
 547               stm::gStmAccelPedalStateNo2Name[crr_state.accel_pedal.state]);
 548     HMI_DEBUG("wm:pm", "lightstatus brake state (is_changed:%d state:%d:%s)",
 549               crr_state.lightstatus_brake.is_changed,
 550               crr_state.lightstatus_brake.state,
 551               stm::gStmLightstatusBrakeStateNo2Name[crr_state.lightstatus_brake.state]);
 552     HMI_DEBUG("wm:pm", "car state               (is_changed:%d state:%d:%s)",
 553               crr_state.car.is_changed,
 554               crr_state.car.state,
 555               stm::gStmCarStateNo2Name[crr_state.car.state]);
 556     HMI_DEBUG("wm:pm", "lamp state              (is_changed:%d state:%d:%s)",
 557               crr_state.lamp.is_changed,
 558               crr_state.lamp.state,
 559               stm::gStmLampStateNo2Name[crr_state.lamp.state]);
 560     HMI_DEBUG("wm:pm", "restriction mode state  (is_changed:%d state:%d:%s)",
 561               crr_state.restriction_mode.is_changed,
 562               crr_state.restriction_mode.state,
 563               stm::gStmRestrictionModeStateNo2Name[crr_state.restriction_mode.state]);
 564     HMI_DEBUG("wm:pm", "homescreen state        (is_changed:%d state:%d:%s)",
 565               crr_state.layer[stm::gStmLayerNoHomescreen].is_changed,
 566               crr_state.layer[stm::gStmLayerNoHomescreen].state,
 567               stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoHomescreen].state]);
 568     HMI_DEBUG("wm:pm", "apps state              (is_changed:%d state:%d:%s)",
 569               crr_state.layer[stm::gStmLayerNoApps].is_changed,
 570               crr_state.layer[stm::gStmLayerNoApps].state,
 571               stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoApps].state]);
 572     HMI_DEBUG("wm:pm", "restriction state       (is_changed:%d state:%d:%s)",
 573               crr_state.layer[stm::gStmLayerNoRestriction].is_changed,
 574               crr_state.layer[stm::gStmLayerNoRestriction].state,
 575               stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoRestriction].state]);
 576     HMI_DEBUG("wm:pm", "on_screen state         (is_changed:%d state:%d:%s)",
 577               crr_state.layer[stm::gStmLayerNoOnScreen].is_changed,
 578               crr_state.layer[stm::gStmLayerNoOnScreen].state,
 579               stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoOnScreen].state]);
 580
 581     // Update state which is managed by PolicyManager
 582     updateLocalState(event_data, crr_state);
 583
 584     // Create output information for ResourceManager
 585     json_object* json_out = json_object_new_object();
 586     createOutputInformation(crr_state, &json_out);
 587
 588     // Notify state is changed
 589     if (nullptr != pm::callback.onStateTransitioned) {
 590         pm::callback.onStateTransitioned(json_out);
 591     }
 592
 593     // Start/Stop timer event
 594     if (crr_state.car.is_changed) {
 595         if (stm::gStmCarStateNoRun == crr_state.car.state) {
 596             // Set delay event(restriction mode on)
 597             checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_ON, 3000, "");
 598         }
 599         else if (stm::gStmCarStateNoStop == crr_state.car.state) {
 600             // Set event(restriction mode off)
 601             checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_OFF, 0, "");
 602
 603             // Stop timer for restriction on event
 604             if (pm::event_source_list.find(STM_EVT_NO_RESTRICTION_MODE_ON)
 605               != pm::event_source_list.end()) {
 606                 HMI_DEBUG("wm:pm", "Stop timer for restriction on");
 607                 sd_event_source *event_source
 608                     = pm::event_source_list[STM_EVT_NO_RESTRICTION_MODE_ON];
 609                 int ret = sd_event_source_set_enabled(event_source, SD_EVENT_OFF);
 610                 if (0 > ret) {
 611                     HMI_ERROR("wm:pm", "Failed to stop timer");
 612                 }
 613             }
 614         }
 615     }
 616
 617     // Release json_object
 618     json_object_put(json_out);
 619
 620     // Release data
 621     delete (int*)data;
 622
 623     // Destroy sd_event_source object
 624     sd_event_source_unref(source);
 625
 626     // Remove event source from list
 627     if (pm::event_source_list.find(event_data) != pm::event_source_list.end()) {
 628         pm::event_source_list.erase(event_data);
 629     }
 630
 631     HMI_DEBUG("wm:pm", ">>>>>>>>>> FINISH CHECK POLICY");
 632     return 0;
 633 }
 634
 635 static int timerEvent(sd_event_source *source, uint64_t usec, void *data) {
 636     HMI_DEBUG("wm:pm", "Call");
 637
 638     int ret = checkPolicy(source, data);
 639     return ret;
 640 }
 641
 642 static int checkPolicyEntry(int event, uint64_t delay_ms, std::string role)
 643 {
 644     HMI_DEBUG("wm:pm", "Call");
 645     HMI_DEBUG("wm:pm", "event:0x%x delay:%d role:%s", event, delay_ms, role.c_str());
 646
 647     // Store requested role
 648     pm::g_req_role_list[event] = role;
 649
 650     if (0 == delay_ms) {
 651         int ret = sd_event_add_defer(pm::event_loop, NULL,
 652                                      &checkPolicy, new int(event));
 653         if (0 > ret) {
 654             HMI_ERROR("wm:pm", "Faild to sd_event_add_defer: errno:%d", ret);
 655             pm::g_req_role_list.erase(event);
 656             return -1;
 657         }
 658     }
 659     else {
 660         // Get current time
 661         struct timespec time_spec;
 662         clock_gettime(CLOCK_MONOTONIC, &time_spec);
 663
 664         // Calculate timer fired time
 665         uint64_t usec = (time_spec.tv_sec * 1000000)
 666             + (time_spec.tv_nsec / 1000)
 667             + (delay_ms * 1000);
 668
 669         // Set timer
 670         struct sd_event_source* event_source;
 671         int ret = sd_event_add_time(pm::event_loop, &event_source, CLOCK_MONOTONIC, usec, 1,
 672                                     &timerEvent, new int(event));
 673         if (0 > ret) {
 674             HMI_ERROR("wm:pm", "Faild to sd_event_add_time: errno:%d", ret);
 675             pm::g_req_role_list.erase(event);
 676             return -1;
 677         }
 678
 679         // Store event source
 680         pm::event_source_list[event] = event_source;
 681     }
 682
 683     return 0;
 684 }
 685
 686 void PolicyManager::registerCallback(CallbackTable callback) {
 687     HMI_DEBUG("wm:pm", "Call");
 688
 689     pm::callback.onStateTransitioned = callback.onStateTransitioned;
 690     pm::callback.onError             = callback.onError;
 691 }
 692
 693 int PolicyManager::setInputEventData(json_object* json_in) {
 694     HMI_DEBUG("wm:pm", "Call");
 695
 696     // Check arguments
 697     if (nullptr == json_in) {
 698         HMI_ERROR("wm:pm", "Argument is NULL!!");
 699         return -1;
 700     }
 701
 702     // Get event from json_object
 703     const char* event = this->getStringFromJson(json_in, "event");
 704     int event_no = 0;
 705     if (nullptr != event) {
 706         // Convert name to number
 707         event_no = this->eventname2no_[event];
 708         HMI_DEBUG("wm:pm", "event(%s:%d)", event, event_no);
 709     }
 710
 711     // Get role from json_object
 712     const char* role = this->getStringFromJson(json_in, "role");
 713     int category_no = 0;
 714     if (nullptr != role) {
 715         HMI_DEBUG("wm:pm", "role(%s)", role);
 716
 717         // Convert role to category
 718         const char* category = this->role2category_[role].c_str();
 719         if (0 == strcmp("", category)) {
 720             HMI_ERROR("wm:pm", "Error!!");
 721             return -1;
 722         }
 723         HMI_DEBUG("wm:pm", "category(%s)", category);
 724
 725         // Convert name to number
 726         category_no = categoryname2no_[category];
 727         HMI_DEBUG("wm:pm", "role(%s), category(%s:%d)", role, category, category_no);
 728     }
 729
 730     // Get areat from json_object
 731     const char* area = this->getStringFromJson(json_in, "area");
 732     int area_no = 0;
 733     if (nullptr != area) {
 734         // Convert name to number
 735         area_no = areaname2no_[area];
 736         HMI_DEBUG("wm:pm", "area(%s:%d)", area, area_no);
 737     }
 738
 739     // Set event info to the queue
 740     pm::EventInfo event_info;
 741     event_info.event = (event_no | category_no | area_no);
 742     if (nullptr == role) {
 743         event_info.role = std::string("");
 744     }
 745     else {
 746         event_info.role = std::string(role);
 747     }
 748     event_info.delay = 0;
 749     pm::g_event_info_queue.push(event_info);
 750
 751     return 0;
 752 }
 753
 754 int PolicyManager::executeStateTransition() {
 755     HMI_DEBUG("wm:pm", "Call");
 756
 757     int ret;
 758     pm::EventInfo event_info;
 759
 760     while (!pm::g_event_info_queue.empty()) {
 761         // Get event info from queue and delete
 762         event_info = pm::g_event_info_queue.front();
 763         pm::g_event_info_queue.pop();
 764
 765         // Set event info for checking policy
 766         ret = checkPolicyEntry(event_info.event, event_info.delay, event_info.role);
 767     }
 768     return ret;
 769 }
 770
 771 void PolicyManager::undoState() {
 772     HMI_DEBUG("wm:pm", "Call");
 773
 774     // Undo state of STM
 775     stm::stmUndoState();
 776
 777     pm::g_crr_layers = pm::g_prv_layers;
 778 }
 779
 780 extern const char* kDefaultRoleDb;
 781 int PolicyManager::loadRoleDb() {
 782     HMI_DEBUG("wm:pm", "Call");
 783
 784     std::string file_name;
 785
 786     // Get afm application installed dir
 787     char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
 788     HMI_DEBUG("wm:pm", "afm_app_install_dir:%s", afm_app_install_dir);
 789
 790     if (!afm_app_install_dir) {
 791         HMI_ERROR("wm:pm", "AFM_APP_INSTALL_DIR is not defined");
 792     }
 793     else {
 794         file_name = std::string(afm_app_install_dir) + std::string("/etc/role.db");
 795     }
 796
 797     // Load role.db
 798     json_object* json_obj;
 799     int ret = this->inputJsonFilie(file_name.c_str(), &json_obj);
 800     if (0 > ret) {
 801         HMI_ERROR("wm:pm", "Could not open role.db, so use default role information");
 802         json_obj = json_tokener_parse(kDefaultRoleDb);
 803     }
 804     HMI_DEBUG("wm:pm", "json_obj dump:%s", json_object_get_string(json_obj));
 805
 806     json_object* json_roles;
 807     if (!json_object_object_get_ex(json_obj, "roles", &json_roles)) {
 808         HMI_ERROR("wm:pm", "Parse Error!!");
 809         return -1;
 810     }
 811
 812     int len = json_object_array_length(json_roles);
 813     HMI_DEBUG("wm:pm", "json_cfg len:%d", len);
 814     HMI_DEBUG("wm:pm", "json_cfg dump:%s", json_object_get_string(json_roles));
 815
 816     json_object* json_tmp;
 817     const char* category;
 818     const char* roles;
 819     const char* areas;
 820     for (int i=0; i<len; i++) {
 821         json_tmp = json_object_array_get_idx(json_roles, i);
 822
 823         category = this->getStringFromJson(json_tmp, "category");
 824         roles =  this->getStringFromJson(json_tmp, "role");
 825         areas =  this->getStringFromJson(json_tmp, "area");
 826
 827         if ((nullptr == category) || (nullptr == roles) || (nullptr == areas)) {
 828             HMI_ERROR("wm:pm", "Parse Error!!");
 829             return -1;
 830         }
 831
 832         // Parse roles by '|'
 833         std::vector<std::string> vct_roles;
 834         vct_roles = this->parseString(std::string(roles), '|');
 835
 836         // Parse areas by '|'
 837         std::vector<std::string> vct_areas;
 838         vct_areas = this->parseString(std::string(areas), '|');
 839
 840         // Set role, category, default area
 841         for (auto itr = vct_roles.begin(); itr != vct_roles.end(); ++itr) {
 842             // Delete space from role and area name
 843             std::string role = this->deleteSpace(*itr);
 844             std::string area = this->deleteSpace(vct_areas[0]);
 845
 846             this->role2category_[role] = std::string(category);
 847             this->role2defaultarea_[role] = area;
 848         }
 849
 850         this->category2role_[std::string(category)] = std::string(roles);
 851     }
 852
 853     // Check
 854     HMI_DEBUG("wm:pm", "Check role2category_");
 855     for (auto& x:this->role2category_){
 856         HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
 857     }
 858
 859     HMI_DEBUG("wm:pm", "Check role2defaultarea_");
 860     for (auto& x:this->role2defaultarea_){
 861         HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
 862     }
 863
 864     HMI_DEBUG("wm:pm", "Check category2role_");
 865     for (auto& x:this->category2role_){
 866         HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
 867     }
 868
 869     return 0;
 870 }
 871
 872 extern const char* kDefaultLayoutDb;
 873 int PolicyManager::loadLayoutDb() {
 874     HMI_DEBUG("wm:lm", "Call");
 875
 876     // Get afm application installed dir
 877     char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
 878     HMI_DEBUG("wm:pm", "afm_app_install_dir:%s", afm_app_install_dir);
 879
 880     std::string file_name;
 881     if (!afm_app_install_dir) {
 882         HMI_ERROR("wm:pm", "AFM_APP_INSTALL_DIR is not defined");
 883     }
 884     else {
 885         file_name = std::string(afm_app_install_dir) + std::string("/etc/layout.db");
 886     }
 887
 888     // Load layout.db
 889     json_object* json_obj;
 890     int ret = this->inputJsonFilie(file_name.c_str(), &json_obj);
 891     if (0 > ret) {
 892         HMI_DEBUG("wm:pm", "Could not open layout.db, so use default layout information");
 893         json_obj = json_tokener_parse(kDefaultLayoutDb);
 894     }
 895     HMI_DEBUG("wm:pm", "json_obj dump:%s", json_object_get_string(json_obj));
 896
 897     // Perse layouts
 898     HMI_DEBUG("wm:pm", "Perse layouts");
 899     json_object* json_cfg;
 900     if (!json_object_object_get_ex(json_obj, "layouts", &json_cfg)) {
 901         HMI_ERROR("wm:pm", "Parse Error!!");
 902         return -1;
 903     }
 904
 905     int len = json_object_array_length(json_cfg);
 906     HMI_DEBUG("wm:pm", "json_cfg len:%d", len);
 907     HMI_DEBUG("wm:pm", "json_cfg dump:%s", json_object_get_string(json_cfg));
 908
 909     const char* layout;
 910     const char* role;
 911     const char* category;
 912     for (int i=0; i<len; i++) {
 913         json_object* json_tmp = json_object_array_get_idx(json_cfg, i);
 914
 915         layout = this->getStringFromJson(json_tmp, "name");
 916         if (nullptr == layout) {
 917             HMI_ERROR("wm:pm", "Parse Error!!");
 918             return -1;
 919         }
 920         HMI_DEBUG("wm:pm", "> layout:%s", layout);
 921
 922         json_object* json_area_array;
 923         if (!json_object_object_get_ex(json_tmp, "areas", &json_area_array)) {
 924           HMI_ERROR("wm:pm", "Parse Error!!");
 925           return -1;
 926         }
 927
 928         int len_area = json_object_array_length(json_area_array);
 929         HMI_DEBUG("wm:pm", "json_area_array len:%d", len_area);
 930         HMI_DEBUG("wm:pm", "json_area_array dump:%s", json_object_get_string(json_area_array));
 931
 932         pm::LayoutState layout_state;
 933         pm::AreaState area_state;
 934         std::map<std::string, int> category_num;
 935         for (int ctg_no = stm::gStmCategoryNoMin;
 936              ctg_no <= stm::gStmCategoryNoMax; ctg_no++) {
 937             const char* ctg_name = stm::gStmCategoryName[ctg_no];
 938             category_num[ctg_name] = 0;
 939         }
 940
 941         for (int j=0; j<len_area; j++) {
 942             json_object* json_area = json_object_array_get_idx(json_area_array, j);
 943
 944             // Get area name
 945             const char* area = this->getStringFromJson(json_area, "name");
 946             if (nullptr == area) {
 947               HMI_ERROR("wm:pm", "Parse Error!!");
 948               return -1;
 949             }
 950             area_state.name = std::string(area);
 951             HMI_DEBUG("wm:pm", ">> area:%s", area);
 952
 953             // Get app attribute of the area
 954             category = this->getStringFromJson(json_area, "category");
 955             if (nullptr == category) {
 956                 HMI_ERROR("wm:pm", "Parse Error!!");
 957                 return -1;
 958             }
 959             area_state.category = std::string(category);
 960             category_num[category]++;
 961             HMI_DEBUG("wm:pm", ">>> category:%s", category);
 962
 963             role = this->getStringFromJson(json_area, "role");
 964             if (nullptr != role) {
 965                 // Role is NOT essential here
 966                 area_state.role = std::string(role);
 967             }
 968             else {
 969                 area_state.role = std::string("");
 970
 971             }
 972             HMI_DEBUG("wm:pm", ">>> role:%s", role);
 973
 974             layout_state.area_list.push_back(area_state);
 975
 976         }
 977
 978         layout_state.name = layout;
 979         layout_state.category_num = category_num;
 980         pm::g_default_layouts[layout] = layout_state;
 981     }
 982
 983     // initialize for none layout
 984     pm::LayoutState none_layout_state;
 985     memset(&none_layout_state, 0, sizeof(none_layout_state));
 986     none_layout_state.name                 = "none";
 987     pm::g_default_layouts["none"] = none_layout_state;
 988
 989     // Check
 990     for(auto itr_layout = pm::g_default_layouts.begin();
 991       itr_layout != pm::g_default_layouts.end(); ++itr_layout) {
 992         HMI_DEBUG("wm:pm", ">>> layout:%s", itr_layout->first.c_str());
 993
 994         for (auto itr_area = itr_layout->second.area_list.begin();
 995           itr_area != itr_layout->second.area_list.end(); ++itr_area) {
 996             HMI_DEBUG("wm:pm", ">>> >>> area    :%s", itr_area->name.c_str());
 997             HMI_DEBUG("wm:pm", ">>> >>> category:%s", itr_area->category.c_str());
 998             HMI_DEBUG("wm:pm", ">>> >>> role    :%s", itr_area->role.c_str());
 999         }
1000     }
1001
1002     // Release json_object
1003     json_object_put(json_obj);
1004
1005     return 0;
1006 }
1007
1008 // TODO:
1009 // This function will be removed because json_helper has same function.
1010 // json_helper should be library.
1011 const char* PolicyManager::getStringFromJson(json_object* obj, const char* key) {
1012     if ((nullptr == obj) || (nullptr == key)) {
1013         HMI_ERROR("wm:pm", "Argument is nullptr!!!");
1014         return nullptr;
1015     }
1016
1017     json_object* tmp;
1018     if (!json_object_object_get_ex(obj, key, &tmp)) {
1019         HMI_DEBUG("wm:pm", "Not found key \"%s\"", key);
1020         return nullptr;
1021     }
1022
1023     return json_object_get_string(tmp);
1024 }
1025
1026 // TODO:
1027 // This function will be removed because json_helper has same function.
1028 // json_helper should be library.
1029 int PolicyManager::inputJsonFilie(const char* file, json_object** obj) {
1030     const int input_size = 128;
1031     int ret = -1;
1032
1033     if ((nullptr == file) || (nullptr == obj)) {
1034         HMI_ERROR("wm:jh", "Argument is nullptr!!!");
1035         return ret;
1036     }
1037
1038     HMI_DEBUG("wm:jh", "Input file: %s", file);
1039
1040     // Open json file
1041     FILE *fp = fopen(file, "rb");
1042     if (nullptr == fp) {
1043         HMI_ERROR("wm:jh", "Could not open file");
1044         return ret;
1045     }
1046
1047     // Parse file data
1048     struct json_tokener *tokener = json_tokener_new();
1049     enum json_tokener_error json_error;
1050     char buffer[input_size];
1051     int block_cnt = 1;
1052     while (1) {
1053         size_t len = fread(buffer, sizeof(char), input_size, fp);
1054         *obj = json_tokener_parse_ex(tokener, buffer, len);
1055         if (nullptr != *obj) {
1056             HMI_DEBUG("wm:jh", "File input is success");
1057             ret = 0;
1058             break;
1059         }
1060
1061         json_error = json_tokener_get_error(tokener);
1062         if ((json_tokener_continue != json_error)
1063             || (input_size > len)) {
1064             HMI_ERROR("wm:jh", "Failed to parse file (byte:%d err:%s)",
1065                       (input_size * block_cnt), json_tokener_error_desc(json_error));
1066             HMI_ERROR("wm:jh", "\n%s", buffer);
1067             *obj = nullptr;
1068             break;
1069         }
1070         block_cnt++;
1071     }
1072
1073     // Close json file
1074     fclose(fp);
1075
1076     // Free json_tokener
1077     json_tokener_free(tokener);
1078
1079     return ret;
1080 }
1081
1082 std::vector<std::string> PolicyManager::parseString(std::string str, char delimiter) {
1083     // Parse string by delimiter
1084     std::vector<std::string> vct;
1085     std::stringstream ss{str};
1086     std::string buf;
1087     while (std::getline(ss, buf, delimiter)) {
1088       if (!buf.empty()) {
1089         vct.push_back(buf);
1090       }
1091     }
1092     return vct;
1093 }
1094
1095 std::string PolicyManager::deleteSpace(std::string str) {
1096     std::string ret = str;
1097     size_t pos;
1098     while ((pos = ret.find_first_of(" ")) != std::string::npos) {
1099       ret.erase(pos, 1);
1100     }
1101     return ret;
1102 }
1103
1104 const char* kDefaultRoleDb = "{ \
1105     \"roles\":[ \
1106     { \
1107         \"category\": \"homescreen\", \
1108         \"role\": \"homescreen\", \
1109         \"area\": \"full\", \
1110     }, \
1111     { \
1112         \"category\": \"map\", \
1113         \"role\": \"map\", \
1114         \"area\": \"full | normal | split.main\", \
1115     }, \
1116     { \
1117         \"category\": \"general\", \
1118         \"role\": \"poi | music | video | browser | sdl | settings | mixer | radio | hvac | dashboard | debug\", \
1119         \"area\": \"normal\", \
1120     }, \
1121     { \
1122         \"category\": \"phone\", \
1123         \"role\": \"phone\", \
1124         \"area\": \"normal\", \
1125     }, \
1126     { \
1127         \"category\": \"splitable\", \
1128         \"role\": \"splitable1 | splitable2\", \
1129         \"area\": \"normal | split.main | split.sub\", \
1130     }, \
1131     { \
1132         \"category\": \"popup\", \
1133         \"role\": \"popup\", \
1134         \"area\": \"on_screen\", \
1135     }, \
1136     { \
1137         \"category\": \"system_alert\", \
1138         \"role\": \"system_alert\", \
1139         \"area\": \"on_screen\", \
1140     }, \
1141     { \
1142         \"category\": \"tbt\", \
1143         \"role\": \"tbt\", \
1144         \"area\": \"hud\", \
1145     } \
1146     ] \
1147 }";
1148
1149
1150 const char* kDefaultLayoutDb = "{ \
1151     \"layouts\": [ \
1152         { \
1153             \"name\": \"pu\", \
1154             \"layer\": \"on_screen\", \
1155             \"areas\": [ \
1156                 { \
1157                     \"name\": \"pop_up\", \
1158                     \"role\": \"incomming_call\" \
1159                 } \
1160             ] \
1161         }, \
1162         { \
1163             \"name\": \"sa\", \
1164             \"layer\": \"on_screen\", \
1165             \"areas\": [ \
1166                 { \
1167                     \"name\": \"system_alert\", \
1168                     \"role\": \"system_alert\" \
1169                 } \
1170             ] \
1171         }, \
1172         { \
1173             \"name\": \"m1\", \
1174             \"layer\": \"apps\", \
1175             \"areas\": [ \
1176                 { \
1177                     \"name\": \"normal\", \
1178                     \"role\": \"map\" \
1179                 } \
1180             ] \
1181         }, \
1182         { \
1183             \"name\": \"m2\", \
1184             \"layer\": \"apps\", \
1185             \"areas\": [ \
1186                 { \
1187                     \"name\": \"split.main\", \
1188                     \"role\": \"map\" \
1189                 }, \
1190                 { \
1191                     \"name\": \"split.sub\", \
1192                     \"category\": \"hvac\" \
1193                 } \
1194             ] \
1195         }, \
1196         { \
1197             \"name\": \"mf\", \
1198             \"layer\": \"apps\", \
1199             \"areas\": [ \
1200                 { \
1201                     \"name\": \"full\", \
1202                     \"role\": \"map\" \
1203                 } \
1204             ] \
1205         }, \
1206         { \
1207             \"name\": \"s1\", \
1208             \"layer\": \"apps\", \
1209             \"areas\": [ \
1210                 { \
1211                     \"name\": \"normal\", \
1212                     \"category\": \"splitable\" \
1213                 } \
1214             ] \
1215         }, \
1216         { \
1217             \"name\": \"s2\", \
1218             \"layer\": \"apps\", \
1219             \"areas\": [ \
1220                 { \
1221                     \"name\": \"split.main\", \
1222                     \"category\": \"splitable\" \
1223                 }, \
1224                 { \
1225                     \"name\": \"split.sub\", \
1226                     \"category\": \"splitable\" \
1227                 } \
1228             ] \
1229         }, \
1230         { \
1231             \"name\": \"g\", \
1232             \"layer\": \"apps\", \
1233             \"areas\": [ \
1234                 { \
1235                     \"name\": \"normal\", \
1236                     \"category\": \"general\" \
1237                 } \
1238             ] \
1239         }, \
1240         { \
1241             \"name\": \"hs\", \
1242             \"layer\": \"homescreen\", \
1243             \"areas\": [ \
1244                 { \
1245                     \"name\": \"full\", \
1246                     \"role\": \"homescreen\" \
1247                 } \
1248             ] \
1249         } \
1250     ], \
1251     \"areas\": [ \
1252         { \
1253             \"name\": \"normal\", \
1254             \"rect\": { \
1255                 \"x\": 0, \
1256                 \"y\": 218, \
1257                 \"w\": 1080, \
1258                 \"h\": 1488 \
1259             } \
1260         }, \
1261         { \
1262             \"name\": \"split.main\", \
1263             \"rect\": { \
1264                 \"x\": 0, \
1265                 \"y\": 218, \
1266                 \"w\": 1080, \
1267                 \"h\": 744 \
1268             } \
1269         }, \
1270         { \
1271             \"name\": \"split.sub\", \
1272             \"rect\": { \
1273                 \"x\": 0, \
1274                 \"y\": 962, \
1275                 \"w\": 1080, \
1276                 \"h\": 744 \
1277             } \
1278         }, \
1279         { \
1280             \"name\": \"full\", \
1281             \"rect\": { \
1282                 \"x\": 0, \
1283                 \"y\": 0, \
1284                 \"w\": 1080, \
1285                 \"h\": 1920 \
1286             } \
1287         }, \
1288         { \
1289             \"name\": \"pop_up\", \
1290             \"rect\": { \
1291                 \"x\": 0, \
1292                 \"y\": 640, \
1293                 \"w\": 1080, \
1294                 \"h\": 640 \
1295             } \
1296         }, \
1297         { \
1298             \"name\": \"system_alert\", \
1299             \"rect\": { \
1300                 \"x\": 0, \
1301                 \"y\": 640, \
1302                 \"w\": 1080, \
1303                 \"h\": 640 \
1304             } \
1305         } \
1306     ] \
1307 }";