2 * Copyright (c) 2018 TOYOTA MOTOR CORPORATION
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
23 #include <systemd/sd-event.h>
24 #include <json-c/json.h>
25 #include "policy_manager.hpp"
26 #include "hmi-debug.h"
30 #include "dummy_stm.h"
36 typedef struct AreaState {
42 typedef std::vector<AreaState> AreaList;
43 typedef struct LayoutState {
45 std::map<std::string, int> category_num;
47 std::map<std::string, std::vector<std::string>> role_history;
50 typedef struct LayerState {
52 LayoutState layout_state;
56 typedef struct CarElement {
61 struct sd_event* event_loop;
62 std::map<int, struct sd_event_source*> event_source_list;
63 std::map<int, std::string> g_req_role_list;
64 PolicyManager::CallbackTable callback;
66 std::unordered_map<std::string, CarElement> g_prv_car_elements;
67 std::unordered_map<std::string, CarElement> g_crr_car_elements;
69 std::unordered_map<std::string, LayerState> g_prv_layers;
70 std::unordered_map<std::string, LayerState> g_crr_layers;
72 std::unordered_map<std::string, LayerState> g_prv_layers_car_stop;
74 std::unordered_map<std::string, LayoutState> g_default_layouts;
78 PolicyManager::PolicyManager() :
86 HMI_DEBUG("wm:pm", "Call");
89 int PolicyManager::initialize() {
90 HMI_DEBUG("wm:pm", "Call");
95 for (int i = stm::StmEvtNoMin; i <= stm::StmEvtNoMax; i++) {
96 HMI_DEBUG("wm:pm", "event name:%s no:%d", stm::kStmEventName[i], i);
97 this->eventname2no[stm::kStmEventName[i]] = i;
100 for (int i = stm::StmCtgNoMin; i <= stm::StmCtgNoMax; i++) {
101 HMI_DEBUG("wm:pm", "category name:%s no:%d", stm::kStmCategoryName[i], i);
102 this->categoryname2no[stm::kStmCategoryName[i]] = i;
105 for (int i = stm::StmAreaNoMin; i <= stm::StmAreaNoMax; i++) {
106 HMI_DEBUG("wm:pm", "area name:%s no:%d", stm::kStmAreaName[i], i);
107 this->areaname2no[stm::kStmAreaName[i]] = i;
111 ret = this->loadRoleDb();
113 HMI_ERROR("wm:pm", "Load role.db Error!!");
118 ret = this->loadLayoutDb();
120 HMI_ERROR("wm:pm", "Load layout.db Error!!");
124 // Initialize state which is managed by PolicyManager
125 this->initializeLocalState();
127 // Initialize StateTransitioner
128 stm::stmInitialize();
130 // Initialize sd_event loop
131 ret = this->initializeSdEventLoop();
133 HMI_ERROR("wm:pm", "Failed to initializeSdEventLoop!!");
140 static void initializeLocalCarElementState() {
141 pm::CarElement init_car_ele;
142 init_car_ele.state = "none";
143 init_car_ele.changed = false;
145 for (int i = stm::StmCarElementNoMin; i <= stm::StmCarElementNoMax; i++) {
146 const char* car_ele_name = stm::kStmCarElementName[i];
147 pm::g_crr_car_elements[car_ele_name] = init_car_ele;
150 pm::g_prv_car_elements = pm::g_crr_car_elements;
153 static void initializeLocalLayerState() {
154 pm::AreaState init_area;
155 pm::LayoutState init_layout;
156 init_area.name = stm::kStmAreaName[stm::StmAreaNoNone];
157 init_area.category = "";
159 init_layout.name = stm::kStmLayoutName[stm::StmLayoutNoNone];
160 init_layout.area_list.push_back(init_area);
162 for (int i = stm::StmLayerNoMin; i <= stm::StmLayerNoMax; i++) {
163 const char* layer_name = stm::kStmLayerName[i];
164 pm::g_crr_layers[layer_name].name = layer_name;
165 pm::g_crr_layers[layer_name].layout_state = init_layout;
166 pm::g_crr_layers[layer_name].changed = false;
169 pm::g_prv_layers = pm::g_crr_layers;
172 void PolicyManager::initializeLocalState() {
173 initializeLocalCarElementState();
174 initializeLocalLayerState();
177 int PolicyManager::initializeSdEventLoop() {
178 // Get default event loop object
179 int ret = sd_event_new(&(pm::event_loop));
181 HMI_ERROR("wm:pm", "Faild to sd_event_default: errno:%d", ret);
185 // Create thread for sd_event and detach
186 std::thread sd_event_loop([this]() {
188 sd_event_run(pm::event_loop, 1000);
191 sd_event_loop.detach();
196 static void addStateToJson(
197 const char* name, bool changed, std::string state, json_object** json_out) {
198 if ((nullptr == name) || (nullptr == json_out)) {
199 HMI_ERROR("wm:pm", "Invalid argument!!!");
203 json_object_object_add(*json_out, "name", json_object_new_string(name));
204 json_object_object_add(*json_out, "state", json_object_new_string(state.c_str()));
205 json_object_object_add(*json_out, "changed", json_object_new_boolean(changed));
208 static void addStateToJson(const char* layer_name, bool changed,
209 pm::AreaList area_list, json_object** json_out) {
210 if ((nullptr == layer_name) || (nullptr == json_out)) {
211 HMI_ERROR("wm:pm", "Invalid argument!!!");
215 json_object* json_areas = json_object_new_array();
216 json_object* json_tmp;
217 for (pm::AreaState as : area_list) {
218 json_tmp = json_object_new_object();
219 json_object_object_add(json_tmp, "name", json_object_new_string(as.name.c_str()));
220 json_object_object_add(json_tmp, "role", json_object_new_string(as.role.c_str()));
221 json_object_array_add(json_areas, json_tmp);
224 json_object_object_add(*json_out, "name", json_object_new_string(layer_name));
225 json_object_object_add(*json_out, "changed", json_object_new_boolean(changed));
226 json_object_object_add(*json_out, "areas", json_areas);
229 static void updateLocalCarElementState(stm::StmState crr_state) {
231 std::string car_state;
234 // Store previous layers
235 pm::g_prv_car_elements = pm::g_crr_car_elements;
237 // Update car elements
238 HMI_DEBUG("wm:pm", ">>> CAR ELEMENT");
239 for (int car_ele_no = stm::StmCarElementNoMin;
240 car_ele_no <= stm::StmCarElementNoMax; car_ele_no++) {
241 const char* car_ele_name = stm::kStmCarElementName[car_ele_no];
243 car_state_no = crr_state.car_element[car_ele_no].state;
244 car_state = stm::kStmCarStateNameList[car_ele_no][car_state_no];
245 changed = (crr_state.car_element[car_ele_no].changed) ? true : false;
247 pm::g_crr_car_elements[car_ele_name].state = car_state;
248 pm::g_crr_car_elements[car_ele_name].changed = changed;
250 HMI_DEBUG("wm:pm", ">>> >>> NAME: %s", car_ele_name);
251 HMI_DEBUG("wm:pm", ">>> >>> >>> STATE:%s", car_state.c_str());
252 HMI_DEBUG("wm:pm", ">>> >>> >>> CHANGED:%s", (changed) ? "true" : "false");
256 static void updateLocalLayerState(int event_data, stm::StmState crr_state) {
257 int event_no, category_no, area_no;
259 event_no = STM_GET_EVENT_FROM_ID(event_data);
260 category_no = STM_GET_CATEGORY_FROM_ID(event_data);
261 area_no = STM_GET_AREA_FROM_ID(event_data);
263 std::string req_evt = stm::kStmEventName[event_no];
264 std::string req_ctg = stm::kStmCategoryName[category_no];
265 std::string req_area = stm::kStmAreaName[area_no];
266 std::string req_role = pm::g_req_role_list[event_data];
267 HMI_DEBUG("wm:pm", "REQ: event:%s role:%s category:%s area:%s",
268 req_evt.c_str(), req_role.c_str(), req_ctg.c_str(), req_area.c_str());
270 // Store previous layers
271 pm::g_prv_layers = pm::g_crr_layers;
274 for (int layer_no = stm::StmLayerNoMin;
275 layer_no <= stm::StmLayerNoMax; layer_no++) {
276 const char* layer_name = stm::kStmLayerName[layer_no];
277 HMI_DEBUG("wm:pm", "LAYER:%s", layer_name);
280 // If restriction mode is changed off -> on,
281 // store current state for state of restriction mode off
282 if ((crr_state.car_element[stm::StmCarElementNoRestrictionMode].changed)
283 && (stm::StmRestrictionModeSttNoOn == crr_state.car_element[stm::StmCarElementNoRestrictionMode].state)) {
284 HMI_DEBUG("wm:pm", "Store current state for state of restriction mode off");
285 pm::g_prv_layers_car_stop[layer_name] = pm::g_crr_layers[layer_name];
288 // If car state is changed car_stop -> car_run,
289 // store current state for state of car stop
290 if ((crr_state.car.changed)
291 && (stm::StmRunningNoRun == crr_state.car.state)) {
292 HMI_DEBUG("wm:pm", "Store current state for state of car stop");
293 pm::g_prv_layers_car_stop[layer_name] = pm::g_crr_layers[layer_name];
297 // This layer is changed?
298 int changed = crr_state.layer[layer_no].changed;
300 HMI_DEBUG("wm:pm", "This layer is changed");
302 // Get previous layout name of this layer
303 pm::LayoutState prv_layout_state = pm::g_prv_layers[layer_name].layout_state;
304 std::string prv_layout_name = prv_layout_state.name;
306 // Get current layout name of this layer
307 int crr_layout_state_no = crr_state.layer[layer_no].state;
308 std::string crr_layout_name = std::string(stm::kStmLayoutName[crr_layout_state_no]);
310 pm::LayoutState crr_layout_state;
312 if ((crr_state.car_element[stm::StmCarElementNoRestrictionMode].changed)
313 && (stm::StmRestrictionModeSttNoOff == crr_state.car_element[stm::StmCarElementNoRestrictionMode].state)) {
314 // If restriction mode is changed on -> off,
315 // restore state of restriction mode off
316 HMI_DEBUG("wm:pm", "Restriction mode is changed on -> off, so restore state of restriction mode off");
318 if ((crr_state.car_element[stm::StmCarElementNoRunning].changed)
319 && (stm::StmCarElementNoStop == crr_state.car_element[stm::StmCarElementNoRunning].state)) {
320 // If car state is changed car_run -> car_stop,
321 // restore state of car stop
322 HMI_DEBUG("wm:pm", "Car state is changed car_run -> car_stop, so restore state of car stop");
324 crr_layout_state = pm::g_prv_layers_car_stop[layer_name].layout_state;
325 crr_layout_name = crr_layout_state.name;
326 if ((prv_layout_name == crr_layout_name)
327 && (stm::kStmAreaName[stm::StmAreaNoNone] == crr_layout_name)) {
331 else if ((prv_layout_name == crr_layout_name)
332 && (stm::kStmAreaName[stm::StmAreaNoNone] == crr_layout_name)) {
333 // Copy previous layout state for current
334 crr_layout_state = prv_layout_state;
338 // Copy previous layout state for current
339 crr_layout_state = prv_layout_state;
341 HMI_DEBUG("wm:pm", "layout name previous:%s current:%s",
342 prv_layout_name.c_str(), crr_layout_name.c_str());
343 if (prv_layout_name == crr_layout_name) {
344 HMI_DEBUG("wm:pm", "Previous layout is same with current");
347 // If previous layout is NOT same with current,
348 // current areas is set with default value
349 HMI_DEBUG("wm:pm", "Previous layout is NOT same with current");
350 crr_layout_state.name = pm::g_default_layouts[crr_layout_name].name;
351 crr_layout_state.category_num = pm::g_default_layouts[crr_layout_name].category_num;
352 crr_layout_state.area_list = pm::g_default_layouts[crr_layout_name].area_list;
355 // Create candidate list
356 std::map<std::string, pm::AreaList> cand_list;
357 for (int ctg_no=stm::StmCtgNoMin;
358 ctg_no<=stm::StmCtgNoMax; ctg_no++) {
359 const char* ctg = stm::kStmCategoryName[ctg_no];
360 HMI_DEBUG("wm:pm", "ctg:%s", ctg);
362 // Create candidate list for category from the previous displayed categories
363 pm::AreaList tmp_cand_list;
364 for (pm::AreaState area_state : prv_layout_state.area_list) {
365 if (std::string(ctg) == area_state.category) {
366 // If there is the category which is same with new category in previous layout,
368 HMI_DEBUG("wm:pm", "Push to candidate list category:%s role:%s",
369 area_state.category.c_str(), area_state.role.c_str());
370 tmp_cand_list.push_back(area_state);
374 int candidate_num = prv_layout_state.category_num[ctg];
375 int blank_num = crr_layout_state.category_num[ctg];
376 HMI_DEBUG("wm:pm", "blank_num:%d candidate_num:%d", blank_num, candidate_num);
378 // If requested event is "activate"
379 // and there are requested category and area,
380 // update area with requested role in current layout.
381 bool request_for_this_layer = false;
382 bool updated = false;
383 if ((ctg == req_ctg) && ("activate" == req_evt) ) {
384 HMI_DEBUG("wm:pm", "requested event is activate");
385 for (pm::AreaState &as : crr_layout_state.area_list) {
386 if (as.category == req_ctg) {
387 request_for_this_layer = true;
389 if (as.name == req_area) {
390 HMI_DEBUG("wm:pm", "Update current layout: area:%s category:%s role:%s",
391 as.name.c_str(), as.category.c_str(), as.role.c_str());
400 // If NOT updated: there is not requested area in new layout,
401 // so push requested role to candidate list
402 if (request_for_this_layer && (!updated)) {
403 HMI_DEBUG("wm:pm", "Push request to candidate list");
404 pm::AreaState area_state;
405 area_state.name = req_area;
406 area_state.category = req_ctg;
407 area_state.role = req_role;
408 tmp_cand_list.push_back(area_state);
412 // Compare number of candidate/blank,
413 // And remove role in order of the oldest as necessary
414 if (candidate_num < blank_num) {
415 // Refer history stack
416 // and add to the top of tmp_cand_list in order to the newest
417 while (candidate_num != blank_num) {
418 pm::AreaState area_state;
419 area_state.name = "";
420 area_state.category = ctg;
421 if (0 != crr_layout_state.role_history[ctg].size()) {
422 HMI_DEBUG("wm:pm", "Use role in history stack:%s",
423 crr_layout_state.role_history[ctg].back().c_str());
424 area_state.role = crr_layout_state.role_history[ctg].back();
425 crr_layout_state.role_history[ctg].pop_back();
428 HMI_ERROR("wm:pm", "There is no role in history stack!!");
429 area_state.role = "";
431 tmp_cand_list.push_back(area_state);
435 else if (candidate_num > blank_num) {
436 HMI_DEBUG("wm:pm", "candidate_num > blank_num");
438 // Remove the oldest role from candidate list
439 while (candidate_num != blank_num) {
440 std::string removed_role = tmp_cand_list.begin()->role;
441 HMI_DEBUG("wm:pm", "Remove the oldest data(role:%s) from tmp_cand_list",
442 removed_role.c_str());
443 tmp_cand_list.erase(tmp_cand_list.begin());
446 // Push removed data to history stack
447 crr_layout_state.role_history[ctg].push_back(removed_role);
450 else { // (candidate_num == blank_num)
454 cand_list[ctg] = tmp_cand_list;
458 for (pm::AreaState &as : crr_layout_state.area_list) {
459 HMI_DEBUG("wm:pm", "Current area info area:%s category:%s",
460 as.name.c_str(), as.category.c_str());
462 HMI_DEBUG("wm:pm", "Update this area with role:%s",
463 cand_list[as.category].begin()->role.c_str());
464 as.role = cand_list[as.category].begin()->role;
465 cand_list[as.category].erase(cand_list[as.category].begin());
469 // Update current layout of this layer
470 pm::g_crr_layers[layer_name].layout_state = crr_layout_state;
472 // Update changed flag
473 pm::g_crr_layers[layer_name].changed = (changed) ? true : false;
476 // Erase role for the event_data from list
477 pm::g_req_role_list.erase(event_data);
480 for (auto itr : pm::g_crr_layers) {
481 pm::LayerState ls = itr.second;
482 HMI_DEBUG("wm:pm", ">>> LAYER:%s",ls.name.c_str());
483 HMI_DEBUG("wm:pm", ">>> >>> LAYOUT:%s", ls.layout_state.name.c_str());
485 for (pm::AreaState as : ls.layout_state.area_list) {
486 HMI_DEBUG("wm:pm", ">>> >>> >>> AREA:%s", as.name.c_str());
487 HMI_DEBUG("wm:pm", ">>> >>> >>> >>> CTG:%s", as.category.c_str());
488 HMI_DEBUG("wm:pm", ">>> >>> >>> >>> ROLE:%s", as.role.c_str());
490 HMI_DEBUG("wm:pm", ">>> >>> CHANGED:%s", (ls.changed) ? "true" : "false");
494 static void updateLocalState(int event_data, stm::StmState crr_state) {
495 updateLocalCarElementState(crr_state);
496 updateLocalLayerState(event_data, crr_state);
499 static void createOutputInformation(stm::StmState crr_state, json_object **json_out) {
500 json_object* json_tmp;
502 // Create car element information
506 // "parking_brake": {
507 // "changed": <bool>,
508 // "state": <const char*>
512 json_object* json_car_ele = json_object_new_array();
513 const char* car_ele_name;
514 for (int car_ele_no = stm::StmCarElementNoMin;
515 car_ele_no <= stm::StmCarElementNoMax; car_ele_no++) {
516 car_ele_name = stm::kStmCarElementName[car_ele_no];
517 json_tmp = json_object_new_object();
518 addStateToJson(car_ele_name,
519 pm::g_crr_car_elements[car_ele_name].changed,
520 pm::g_crr_car_elements[car_ele_name].state,
522 json_object_array_add(json_car_ele, json_tmp);
524 json_object_object_add(*json_out, "car_elements", json_car_ele);
526 // Create layout information
531 // "changed": <bool>,
534 // "name":<const char*>,
535 // "role":<const char*>
542 json_object* json_layer = json_object_new_array();
543 const char* layer_name;
544 for (int layer_no = stm::StmLayerNoMin;
545 layer_no <= stm::StmLayerNoMax; layer_no++) {
546 layer_name = stm::kStmLayerName[layer_no];
547 json_tmp = json_object_new_object();
548 addStateToJson(layer_name,
549 pm::g_crr_layers[layer_name].changed,
550 pm::g_crr_layers[layer_name].layout_state.area_list,
552 json_object_array_add(json_layer, json_tmp);
554 json_object_object_add(*json_out, "layers", json_layer);
557 static int checkPolicyEntry(int event, uint64_t delay_ms, std::string role);
558 static void controlTimerEvent(stm::StmState crr_state) {
559 if (crr_state.car_element[stm::StmCarElementNoRunning].changed) {
560 if (stm::StmRunningNoRun == crr_state.car_element[stm::StmCarElementNoRunning].state) {
561 // Set delay event(restriction mode on)
562 checkPolicyEntry(stm::StmEvtNoRestrictionModeOn, 3000, "");
564 else if (stm::StmRunningNoStop == crr_state.car_element[stm::StmCarElementNoRunning].state) {
565 // Stop timer for restriction on event
566 if (pm::event_source_list.find(stm::StmEvtNoRestrictionModeOn)
567 != pm::event_source_list.end()) {
568 HMI_DEBUG("wm:pm", "Stop timer for restriction on");
569 sd_event_source *event_source
570 = pm::event_source_list[stm::StmEvtNoRestrictionModeOn];
571 int ret = sd_event_source_set_enabled(event_source, SD_EVENT_OFF);
573 HMI_ERROR("wm:pm", "Failed to stop timer");
577 // Set event(restriction mode off)
578 checkPolicyEntry(stm::StmEvtNoRestrictionModeOff, 0, "");
583 static int checkPolicy(sd_event_source *source, void *data) {
584 HMI_DEBUG("wm:pm", "Call");
585 HMI_DEBUG("wm:pm", ">>>>>>>>>> START CHECK POLICY");
587 int event_data = *((int*)data);
589 int event_no, category_no, area_no;
590 event_no = STM_GET_EVENT_FROM_ID(event_data);
591 category_no = STM_GET_CATEGORY_FROM_ID(event_data);
592 area_no = STM_GET_AREA_FROM_ID(event_data);
593 HMI_DEBUG("wm:pm", ">>>>>>>>>> event:%s category:%s area:%s",
594 stm::kStmEventName[event_no],
595 stm::kStmCategoryName[category_no],
596 stm::kStmAreaName[area_no]);
599 stm::StmState crr_state;
600 int ret = stm::stmTransitionState(event_data, &crr_state);
602 HMI_ERROR("wm:pm", "Failed transition state");
603 if (nullptr != pm::callback.onError) {
604 json_object* json_out = json_object_new_object();
605 json_object_object_add(json_out, "message",
606 json_object_new_string("Failed to transition state"));
607 json_object_object_add(json_out, "event",
608 json_object_new_string(stm::kStmEventName[event_no]));
609 json_object_object_add(json_out, "role",
610 json_object_new_string(pm::g_req_role_list[event_data].c_str()));
611 json_object_object_add(json_out, "area",
612 json_object_new_string(stm::kStmAreaName[area_no]));
613 pm::callback.onError(json_out);
614 json_object_put(json_out);
619 // Update state which is managed by PolicyManager
620 updateLocalState(event_data, crr_state);
622 // Create output information for ResourceManager
623 json_object* json_out = json_object_new_object();
624 createOutputInformation(crr_state, &json_out);
626 // Notify changed state
627 if (nullptr != pm::callback.onStateTransitioned) {
628 pm::callback.onStateTransitioned(json_out);
631 // Start/Stop timer events
632 controlTimerEvent(crr_state);
634 // Release json_object
635 json_object_put(json_out);
640 // Destroy sd_event_source object
641 sd_event_source_unref(source);
643 // Remove event source from list
644 if (pm::event_source_list.find(event_data) != pm::event_source_list.end()) {
645 pm::event_source_list.erase(event_data);
648 HMI_DEBUG("wm:pm", ">>>>>>>>>> FINISH CHECK POLICY");
652 static int timerEvent(sd_event_source *source, uint64_t usec, void *data) {
653 HMI_DEBUG("wm:pm", "Call");
655 int ret = checkPolicy(source, data);
659 static int checkPolicyEntry(int event, uint64_t delay_ms, std::string role)
661 HMI_DEBUG("wm:pm", "Call");
662 HMI_DEBUG("wm:pm", "event:0x%x delay:%d role:%s", event, delay_ms, role.c_str());
664 // Store requested role
665 pm::g_req_role_list[event] = role;
668 int ret = sd_event_add_defer(pm::event_loop, NULL,
669 &checkPolicy, new int(event));
671 HMI_ERROR("wm:pm", "Faild to sd_event_add_defer: errno:%d", ret);
672 pm::g_req_role_list.erase(event);
678 struct timespec time_spec;
679 clock_gettime(CLOCK_MONOTONIC, &time_spec);
681 // Calculate timer fired time
682 uint64_t usec = (time_spec.tv_sec * 1000000)
683 + (time_spec.tv_nsec / 1000)
687 struct sd_event_source* event_source;
688 int ret = sd_event_add_time(pm::event_loop, &event_source, CLOCK_MONOTONIC, usec, 1,
689 &timerEvent, new int(event));
691 HMI_ERROR("wm:pm", "Faild to sd_event_add_time: errno:%d", ret);
692 pm::g_req_role_list.erase(event);
696 // Store event source
697 pm::event_source_list[event] = event_source;
703 void PolicyManager::registerCallback(CallbackTable callback) {
704 HMI_DEBUG("wm:pm", "Call");
706 pm::callback.onStateTransitioned = callback.onStateTransitioned;
707 pm::callback.onError = callback.onError;
710 int PolicyManager::setInputEventData(json_object* json_in) {
711 HMI_DEBUG("wm:pm", "Call");
714 if (nullptr == json_in) {
715 HMI_ERROR("wm:pm", "Argument is NULL!!");
719 // Get event from json_object
720 const char* event = this->getStringFromJson(json_in, "event");
721 int event_no = stm::StmEvtNoNone;
722 if (nullptr != event) {
723 // Convert name to number
724 auto itr = this->eventname2no.find(event);
725 if (this->eventname2no.end() != itr) {
726 event_no = this->eventname2no[event];
727 HMI_DEBUG("wm:pm", "event(%s:%d)", event, event_no);
730 HMI_ERROR("wm:pm", "Invalid event name!!");
735 HMI_ERROR("wm:pm", "Event is not set!!");
739 // Get role from json_object
740 const char* role = this->getStringFromJson(json_in, "role");
741 int category_no = stm::StmCtgNoNone;
742 if (nullptr != role) {
743 HMI_DEBUG("wm:pm", "role(%s)", role);
745 // Convert role to category
746 std::string category;
747 auto itr = this->role2category.find(role);
748 if (this->role2category.end() != itr) {
749 category = this->role2category[role];
751 // Convert name to number
752 category_no = categoryname2no[category];
753 HMI_DEBUG("wm:pm", "role(%s), category(%s:%d)", role, category.c_str(), category_no);
757 if (stm::StmCtgNoNone == category_no) {
761 // Get areat from json_object
762 const char* area = this->getStringFromJson(json_in, "area");
763 int area_no = stm::StmAreaNoNone;
764 if (nullptr != area) {
765 auto itr = this->areaname2no.find(area);
766 if (this->areaname2no.end() != itr) {
767 area_no = this->areaname2no[area];
768 HMI_DEBUG("wm:pm", "area(%s:%d)", area, area_no);
772 // If role is set and area is not set, use default area
773 if ((stm::StmAreaNoNone == area_no)
774 && (stm::StmCtgNoNone != category_no)) {
775 std::string def_area = this->role2defaultarea[role];
776 area_no = this->areaname2no[def_area];
777 HMI_DEBUG("wm:pm", "area(%s:%d)", def_area.c_str(), area_no);
780 // Set event info to the queue
781 EventInfo event_info;
782 int event_id = STM_CREATE_EVENT_ID(event_no, category_no, area_no);
783 event_info.event = event_id;
784 event_info.role = std::string(role);
785 event_info.delay = 0;
786 this->event_info_queue.push(event_info);
791 int PolicyManager::executeStateTransition() {
792 HMI_DEBUG("wm:pm", "Call");
795 EventInfo event_info;
797 while (!this->event_info_queue.empty()) {
798 // Get event info from queue and delete
799 event_info = this->event_info_queue.front();
800 this->event_info_queue.pop();
802 // Set event info for checking policy
803 ret = checkPolicyEntry(event_info.event, event_info.delay, event_info.role);
808 void PolicyManager::undoState() {
809 HMI_DEBUG("wm:pm", "Call");
814 pm::g_crr_layers = pm::g_prv_layers;
817 extern const char* kDefaultRoleDb;
818 int PolicyManager::loadRoleDb() {
819 HMI_DEBUG("wm:pm", "Call");
821 std::string file_name;
823 // Get afm application installed dir
824 char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
825 HMI_DEBUG("wm:pm", "afm_app_install_dir:%s", afm_app_install_dir);
827 if (!afm_app_install_dir) {
828 HMI_ERROR("wm:pm", "AFM_APP_INSTALL_DIR is not defined");
831 file_name = std::string(afm_app_install_dir) + std::string("/etc/role.db");
835 json_object* json_obj;
836 int ret = this->inputJsonFilie(file_name.c_str(), &json_obj);
838 HMI_ERROR("wm:pm", "Could not open role.db, so use default role information");
839 json_obj = json_tokener_parse(kDefaultRoleDb);
841 HMI_DEBUG("wm:pm", "json_obj dump:%s", json_object_get_string(json_obj));
843 json_object* json_roles;
844 if (!json_object_object_get_ex(json_obj, "roles", &json_roles)) {
845 HMI_ERROR("wm:pm", "Parse Error!!");
849 int len = json_object_array_length(json_roles);
850 HMI_DEBUG("wm:pm", "json_cfg len:%d", len);
851 HMI_DEBUG("wm:pm", "json_cfg dump:%s", json_object_get_string(json_roles));
853 json_object* json_tmp;
854 const char* category;
857 for (int i=0; i<len; i++) {
858 json_tmp = json_object_array_get_idx(json_roles, i);
860 category = this->getStringFromJson(json_tmp, "category");
861 roles = this->getStringFromJson(json_tmp, "role");
862 areas = this->getStringFromJson(json_tmp, "area");
864 if ((nullptr == category) || (nullptr == roles) || (nullptr == areas)) {
865 HMI_ERROR("wm:pm", "Parse Error!!");
869 // Parse roles by '|'
870 std::vector<std::string> vct_roles;
871 vct_roles = this->parseString(std::string(roles), '|');
873 // Parse areas by '|'
874 std::vector<std::string> vct_areas;
875 vct_areas = this->parseString(std::string(areas), '|');
877 // Set role, category, default area
878 for (auto itr = vct_roles.begin(); itr != vct_roles.end(); ++itr) {
879 // Delete space from role and area name
880 std::string role = this->deleteSpace(*itr);
881 std::string area = this->deleteSpace(vct_areas[0]);
883 this->role2category[role] = std::string(category);
884 this->role2defaultarea[role] = area;
887 this->category2role[std::string(category)] = std::string(roles);
891 HMI_DEBUG("wm:pm", "Check role2category");
892 for (auto& x:this->role2category){
893 HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
896 HMI_DEBUG("wm:pm", "Check role2defaultarea");
897 for (auto& x:this->role2defaultarea){
898 HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
901 HMI_DEBUG("wm:pm", "Check category2role");
902 for (auto& x:this->category2role){
903 HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
909 extern const char* kDefaultLayoutDb;
910 int PolicyManager::loadLayoutDb() {
911 HMI_DEBUG("wm:pm", "Call");
913 // Get afm application installed dir
914 char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
915 HMI_DEBUG("wm:pm", "afm_app_install_dir:%s", afm_app_install_dir);
917 std::string file_name;
918 if (!afm_app_install_dir) {
919 HMI_ERROR("wm:pm", "AFM_APP_INSTALL_DIR is not defined");
922 file_name = std::string(afm_app_install_dir) + std::string("/etc/layout.db");
926 json_object* json_obj;
927 int ret = this->inputJsonFilie(file_name.c_str(), &json_obj);
929 HMI_DEBUG("wm:pm", "Could not open layout.db, so use default layout information");
930 json_obj = json_tokener_parse(kDefaultLayoutDb);
932 HMI_DEBUG("wm:pm", "json_obj dump:%s", json_object_get_string(json_obj));
935 HMI_DEBUG("wm:pm", "Perse layouts");
936 json_object* json_cfg;
937 if (!json_object_object_get_ex(json_obj, "layouts", &json_cfg)) {
938 HMI_ERROR("wm:pm", "Parse Error!!");
942 int len = json_object_array_length(json_cfg);
943 HMI_DEBUG("wm:pm", "json_cfg len:%d", len);
944 HMI_DEBUG("wm:pm", "json_cfg dump:%s", json_object_get_string(json_cfg));
948 const char* category;
949 for (int i=0; i<len; i++) {
950 json_object* json_tmp = json_object_array_get_idx(json_cfg, i);
952 layout = this->getStringFromJson(json_tmp, "name");
953 if (nullptr == layout) {
954 HMI_ERROR("wm:pm", "Parse Error!!");
957 HMI_DEBUG("wm:pm", "> layout:%s", layout);
959 json_object* json_area_array;
960 if (!json_object_object_get_ex(json_tmp, "areas", &json_area_array)) {
961 HMI_ERROR("wm:pm", "Parse Error!!");
965 int len_area = json_object_array_length(json_area_array);
966 HMI_DEBUG("wm:pm", "json_area_array len:%d", len_area);
967 HMI_DEBUG("wm:pm", "json_area_array dump:%s", json_object_get_string(json_area_array));
969 pm::LayoutState layout_state;
970 pm::AreaState area_state;
971 std::map<std::string, int> category_num;
972 for (int ctg_no = stm::StmCtgNoMin;
973 ctg_no <= stm::StmCtgNoMax; ctg_no++) {
974 const char* ctg_name = stm::kStmCategoryName[ctg_no];
975 category_num[ctg_name] = 0;
978 for (int j=0; j<len_area; j++) {
979 json_object* json_area = json_object_array_get_idx(json_area_array, j);
982 const char* area = this->getStringFromJson(json_area, "name");
983 if (nullptr == area) {
984 HMI_ERROR("wm:pm", "Parse Error!!");
987 area_state.name = std::string(area);
988 HMI_DEBUG("wm:pm", ">> area:%s", area);
990 // Get app attribute of the area
991 category = this->getStringFromJson(json_area, "category");
992 if (nullptr == category) {
993 HMI_ERROR("wm:pm", "Parse Error!!");
996 area_state.category = std::string(category);
997 category_num[category]++;
998 HMI_DEBUG("wm:pm", ">>> category:%s", category);
1000 role = this->getStringFromJson(json_area, "role");
1001 if (nullptr != role) {
1002 // Role is NOT essential here
1003 area_state.role = std::string(role);
1006 area_state.role = std::string("");
1009 HMI_DEBUG("wm:pm", ">>> role:%s", role);
1011 layout_state.area_list.push_back(area_state);
1015 layout_state.name = layout;
1016 layout_state.category_num = category_num;
1017 pm::g_default_layouts[layout] = layout_state;
1020 // initialize for none layout
1021 pm::LayoutState none_layout_state;
1022 memset(&none_layout_state, 0, sizeof(none_layout_state));
1023 none_layout_state.name = "none";
1024 pm::g_default_layouts["none"] = none_layout_state;
1027 for(auto itr_layout = pm::g_default_layouts.begin();
1028 itr_layout != pm::g_default_layouts.end(); ++itr_layout) {
1029 HMI_DEBUG("wm:pm", ">>> layout:%s", itr_layout->first.c_str());
1031 for (auto itr_area = itr_layout->second.area_list.begin();
1032 itr_area != itr_layout->second.area_list.end(); ++itr_area) {
1033 HMI_DEBUG("wm:pm", ">>> >>> area :%s", itr_area->name.c_str());
1034 HMI_DEBUG("wm:pm", ">>> >>> category:%s", itr_area->category.c_str());
1035 HMI_DEBUG("wm:pm", ">>> >>> role :%s", itr_area->role.c_str());
1039 // Release json_object
1040 json_object_put(json_obj);
1046 // This function will be removed because json_helper has same function.
1047 // json_helper should be library.
1048 const char* PolicyManager::getStringFromJson(json_object* obj, const char* key) {
1049 if ((nullptr == obj) || (nullptr == key)) {
1050 HMI_ERROR("wm:pm", "Argument is nullptr!!!");
1055 if (!json_object_object_get_ex(obj, key, &tmp)) {
1056 HMI_DEBUG("wm:pm", "Not found key \"%s\"", key);
1060 return json_object_get_string(tmp);
1064 // This function will be removed because json_helper has same function.
1065 // json_helper should be library.
1066 int PolicyManager::inputJsonFilie(const char* file, json_object** obj) {
1067 const int input_size = 128;
1070 if ((nullptr == file) || (nullptr == obj)) {
1071 HMI_ERROR("wm:jh", "Argument is nullptr!!!");
1075 HMI_DEBUG("wm:jh", "Input file: %s", file);
1078 FILE *fp = fopen(file, "rb");
1079 if (nullptr == fp) {
1080 HMI_ERROR("wm:jh", "Could not open file");
1085 struct json_tokener *tokener = json_tokener_new();
1086 enum json_tokener_error json_error;
1087 char buffer[input_size];
1090 size_t len = fread(buffer, sizeof(char), input_size, fp);
1091 *obj = json_tokener_parse_ex(tokener, buffer, len);
1092 if (nullptr != *obj) {
1093 HMI_DEBUG("wm:jh", "File input is success");
1098 json_error = json_tokener_get_error(tokener);
1099 if ((json_tokener_continue != json_error)
1100 || (input_size > len)) {
1101 HMI_ERROR("wm:jh", "Failed to parse file (byte:%d err:%s)",
1102 (input_size * block_cnt), json_tokener_error_desc(json_error));
1103 HMI_ERROR("wm:jh", "\n%s", buffer);
1113 // Free json_tokener
1114 json_tokener_free(tokener);
1119 std::vector<std::string> PolicyManager::parseString(std::string str, char delimiter) {
1120 // Parse string by delimiter
1121 std::vector<std::string> vct;
1122 std::stringstream ss{str};
1124 while (std::getline(ss, buf, delimiter)) {
1132 std::string PolicyManager::deleteSpace(std::string str) {
1133 std::string ret = str;
1135 while ((pos = ret.find_first_of(" ")) != std::string::npos) {
1141 const char* kDefaultRoleDb = "{ \
1144 \"category\": \"homescreen\", \
1145 \"role\": \"homescreen\", \
1146 \"area\": \"full\", \
1149 \"category\": \"map\", \
1150 \"role\": \"map\", \
1151 \"area\": \"full | normal | split.main\", \
1154 \"category\": \"general\", \
1155 \"role\": \"poi | music | video | browser | sdl | settings | mixer | radio | hvac | dashboard | debug\", \
1156 \"area\": \"normal\", \
1159 \"category\": \"phone\", \
1160 \"role\": \"phone\", \
1161 \"area\": \"normal\", \
1164 \"category\": \"splitable\", \
1165 \"role\": \"splitable1 | splitable2\", \
1166 \"area\": \"normal | split.main | split.sub\", \
1169 \"category\": \"popup\", \
1170 \"role\": \"popup\", \
1171 \"area\": \"on_screen\", \
1174 \"category\": \"system_alert\", \
1175 \"role\": \"system_alert\", \
1176 \"area\": \"on_screen\", \
1179 \"category\": \"tbt\", \
1180 \"role\": \"tbt\", \
1181 \"area\": \"hud\", \
1187 const char* kDefaultLayoutDb = "{ \
1191 \"layer\": \"on_screen\", \
1194 \"name\": \"pop_up\", \
1195 \"role\": \"incomming_call\" \
1201 \"layer\": \"on_screen\", \
1204 \"name\": \"system_alert\", \
1205 \"role\": \"system_alert\" \
1211 \"layer\": \"apps\", \
1214 \"name\": \"normal\", \
1221 \"layer\": \"apps\", \
1224 \"name\": \"split.main\", \
1228 \"name\": \"split.sub\", \
1229 \"category\": \"hvac\" \
1235 \"layer\": \"apps\", \
1238 \"name\": \"full\", \
1245 \"layer\": \"apps\", \
1248 \"name\": \"normal\", \
1249 \"category\": \"splitable\" \
1255 \"layer\": \"apps\", \
1258 \"name\": \"split.main\", \
1259 \"category\": \"splitable\" \
1262 \"name\": \"split.sub\", \
1263 \"category\": \"splitable\" \
1269 \"layer\": \"apps\", \
1272 \"name\": \"normal\", \
1273 \"category\": \"general\" \
1279 \"layer\": \"homescreen\", \
1282 \"name\": \"full\", \
1283 \"role\": \"homescreen\" \
1290 \"name\": \"normal\", \
1299 \"name\": \"split.main\", \
1308 \"name\": \"split.sub\", \
1317 \"name\": \"full\", \
1326 \"name\": \"pop_up\", \
1335 \"name\": \"system_alert\", \