--- /dev/null
+/*
+ * Copyright (c) 2018 TOYOTA MOTOR CORPORATION
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <fstream>
+#include <sstream>
+#include <istream>
+#include <thread>
+#include <map>
+#include <algorithm>
+#include <systemd/sd-event.h>
+#include <json-c/json.h>
+#include "policy_manager.hpp"
+#include "hmi-debug.h"
+
+extern "C"
+{
+#define AFB_BINDING_VERSION 2
+#include <afb/afb-binding.h>
+#include "stm.h"
+}
+
+namespace pm
+{
+static PolicyManager *g_context;
+
+static int transitionStateWrapper(sd_event_source *source, void *data)
+{
+ int ret = g_context->transitionState(source, data);
+ return ret;
+}
+
+static int timerEventWrapper(sd_event_source *source, uint64_t usec, void *data)
+{
+ int ret = g_context->timerEvent(source, usec, data);
+ return ret;
+}
+
+} // namespace pm
+
+PolicyManager::PolicyManager()
+ : eventname2no(),
+ categoryname2no(),
+ areaname2no(),
+ role2category(),
+ category2role(),
+ role2defaultarea()
+{}
+
+int PolicyManager::initialize()
+{
+ int ret = 0;
+
+ // Create convert map
+ for (int i = StmEvtNoMin; i <= StmEvtNoMax; i++)
+ {
+ HMI_DEBUG("wm:pm", "event name:%s no:%d", kStmEventName[i], i);
+ this->eventname2no[kStmEventName[i]] = i;
+ }
+
+ for (int i = StmCtgNoMin; i <= StmCtgNoMax; i++)
+ {
+ HMI_DEBUG("wm:pm", "category name:%s no:%d", kStmCategoryName[i], i);
+ this->categoryname2no[kStmCategoryName[i]] = i;
+ }
+
+ for (int i = StmAreaNoMin; i <= StmAreaNoMax; i++)
+ {
+ HMI_DEBUG("wm:pm", "area name:%s no:%d", kStmAreaName[i], i);
+ this->areaname2no[kStmAreaName[i]] = i;
+ }
+
+ // Load roles.db
+ ret = this->loadRoleDb();
+ if (0 > ret)
+ {
+ HMI_ERROR("wm:pm", "Load roles.db Error!!");
+ return ret;
+ }
+
+ // Load layouts.db
+ ret = this->loadLayoutDb();
+ if (0 > ret)
+ {
+ HMI_ERROR("wm:pm", "Load layouts.db Error!!");
+ return ret;
+ }
+
+ // Initialize state which is managed by PolicyManager
+ this->initializeState();
+
+ // Initialize StateTransitioner
+ stmInitialize();
+
+ // Store instance
+ pm::g_context = this;
+
+ return ret;
+}
+
+void PolicyManager::registerCallback(CallbackTable callback)
+{
+ this->callback.onStateTransitioned = callback.onStateTransitioned;
+ this->callback.onError = callback.onError;
+}
+
+int PolicyManager::setInputEventData(json_object *json_in)
+{
+ // Check arguments
+ if (nullptr == json_in)
+ {
+ HMI_ERROR("wm:pm", "Argument is NULL!!");
+ return -1;
+ }
+
+ // Get event from json_object
+ const char *event = this->getStringFromJson(json_in, "event");
+ int event_no = StmEvtNoNone;
+ if (nullptr != event)
+ {
+ // Convert name to number
+ auto itr = this->eventname2no.find(event);
+ if (this->eventname2no.end() != itr)
+ {
+ event_no = this->eventname2no[event];
+ HMI_DEBUG("wm:pm", "event(%s:%d)", event, event_no);
+ }
+ else
+ {
+ HMI_ERROR("wm:pm", "Invalid event name!!");
+ return -1;
+ }
+ }
+ else
+ {
+ HMI_ERROR("wm:pm", "Event is not set!!");
+ return -1;
+ }
+
+ // Get role from json_object
+ const char *role = this->getStringFromJson(json_in, "role");
+ int category_no = StmCtgNoNone;
+ if (nullptr != role)
+ {
+ HMI_DEBUG("wm:pm", "role(%s)", role);
+
+ // Convert role to category
+ std::string category = "";
+ auto itr = this->role2category.find(role);
+ if (this->role2category.end() != itr)
+ {
+ category = this->role2category[role];
+ }
+ else
+ {
+ itr = this->role2category.find("fallback");
+ if (this->role2category.end() != itr)
+ {
+ HMI_DEBUG("wm:pm", "Role:%s is not registered in roles.db, fallback as normal app", role);
+ category = this->role2category["fallback"];
+ }
+ }
+
+ if ("" != category)
+ {
+ // Convert name to number
+ category_no = categoryname2no[category];
+ HMI_DEBUG("wm:pm", "category(%s:%d)", category.c_str(), category_no);
+ }
+ }
+
+ if (StmCtgNoNone == category_no)
+ {
+ role = "";
+ }
+
+ // Get areat from json_object
+ const char *area = this->getStringFromJson(json_in, "area");
+ int area_no = StmAreaNoNone;
+ if (nullptr != area)
+ {
+ auto itr = this->areaname2no.find(area);
+ if (this->areaname2no.end() != itr)
+ {
+ area_no = this->areaname2no[area];
+ HMI_DEBUG("wm:pm", "area(%s:%d)", area, area_no);
+ }
+ }
+
+ // If role is set and area is not set, use default area
+ if ((StmAreaNoNone == area_no) && (StmCtgNoNone != category_no))
+ {
+ std::string def_area = this->role2defaultarea[role];
+ area_no = this->areaname2no[def_area];
+ HMI_DEBUG("wm:pm", "area(%s:%d)", def_area.c_str(), area_no);
+ }
+
+ // Set event info to the queue
+ EventInfo event_info;
+ int event_id = STM_CREATE_EVENT_ID(event_no, category_no, area_no);
+ event_info.event = event_id;
+ event_info.role = std::string(role);
+ event_info.delay = 0;
+ this->event_info_queue.push(event_info);
+
+ return 0;
+}
+
+int PolicyManager::executeStateTransition()
+{
+ int ret;
+ EventInfo event_info;
+
+ while (!this->event_info_queue.empty())
+ {
+ // Get event info from queue and delete
+ event_info = this->event_info_queue.front();
+ this->event_info_queue.pop();
+
+ // Set event info for checking policy
+ ret = this->setStateTransitionProcessToSystemd(event_info.event, event_info.delay, event_info.role);
+ }
+ return ret;
+}
+
+void PolicyManager::undoState()
+{
+ HMI_DEBUG("wm:pm", "Undo State !!!");
+
+ // Undo state of STM
+ stmUndoState();
+
+ HMI_DEBUG("wm:pm", ">>>>>>>>>> BEFORE UNDO");
+ this->dumpLayerState(this->crr_layers);
+
+ this->crr_layers = this->prv_layers;
+
+ HMI_DEBUG("wm:pm", ">>>>>>>>>> AFTER UNDO");
+ this->dumpLayerState(this->crr_layers);
+}
+
+void PolicyManager::initializeState()
+{
+ this->initializeLayerState();
+}
+
+void PolicyManager::initializeLayerState()
+{
+ AreaState init_area;
+ LayoutState init_layout;
+ init_area.name = kStmAreaName[StmAreaNoNone];
+ init_area.category = kStmCategoryName[StmCtgNoNone];
+ init_area.role = "";
+ init_layout.name = kStmLayoutName[StmLayoutNoNone];
+ init_layout.area_list.push_back(init_area);
+
+ for (int i = StmLayerNoMin; i <= StmLayerNoMax; i++)
+ {
+ const char *layer_name = kStmLayerName[i];
+ this->crr_layers[layer_name].name = layer_name;
+ this->crr_layers[layer_name].layout_state = init_layout;
+ this->crr_layers[layer_name].changed = false;
+ }
+
+ this->prv_layers = this->crr_layers;
+}
+
+void PolicyManager::addStateToJson(const char *name, bool changed,
+ std::string state, json_object **json_out)
+{
+ if ((nullptr == name) || (nullptr == json_out))
+ {
+ HMI_ERROR("wm:pm", "Invalid argument!!!");
+ return;
+ }
+
+ json_object_object_add(*json_out, "name", json_object_new_string(name));
+ json_object_object_add(*json_out, "state", json_object_new_string(state.c_str()));
+ json_object_object_add(*json_out, "changed", json_object_new_boolean(changed));
+}
+
+void PolicyManager::addStateToJson(const char *layer_name, bool changed,
+ AreaList area_list, json_object **json_out)
+{
+ if ((nullptr == layer_name) || (nullptr == json_out))
+ {
+ HMI_ERROR("wm:pm", "Invalid argument!!!");
+ return;
+ }
+
+ json_object *json_areas = json_object_new_array();
+ json_object *json_tmp;
+ for (const auto &as : area_list)
+ {
+ json_tmp = json_object_new_object();
+ json_object_object_add(json_tmp, "name", json_object_new_string(as.name.c_str()));
+ json_object_object_add(json_tmp, "role", json_object_new_string(as.role.c_str()));
+ json_object_array_add(json_areas, json_tmp);
+ }
+
+ json_object_object_add(*json_out, "name", json_object_new_string(layer_name));
+ json_object_object_add(*json_out, "changed", json_object_new_boolean(changed));
+ json_object_object_add(*json_out, "areas", json_areas);
+}
+
+void PolicyManager::updateState(int event_id, StmState crr_state)
+{
+ this->updateLayerState(event_id, crr_state);
+}
+
+void PolicyManager::updateLayerState(int event_id, StmState crr_state)
+{
+ int event_no, category_no, area_no;
+
+ for (int layer_no = StmLayerNoMin;
+ layer_no <= StmLayerNoMax; layer_no++)
+ {
+ HMI_DEBUG("wm:pm", ">>> LAYER:%s CHANGED:%d LAYOUT:%s",
+ kStmLayerName[layer_no], crr_state.layer[layer_no].changed,
+ kStmLayoutName[crr_state.layer[layer_no].state]);
+ }
+
+ event_no = STM_GET_EVENT_FROM_ID(event_id);
+ category_no = STM_GET_CATEGORY_FROM_ID(event_id);
+ area_no = STM_GET_AREA_FROM_ID(event_id);
+
+ std::string req_evt = kStmEventName[event_no];
+ std::string req_ctg = kStmCategoryName[category_no];
+ std::string req_area = kStmAreaName[area_no];
+ std::string req_role = this->req_role_list[event_id];
+
+ // Store previous layers
+ this->prv_layers = this->crr_layers;
+
+ // Update layers
+ for (int layer_no = StmLayerNoMin;
+ layer_no <= StmLayerNoMax; layer_no++)
+ {
+ const char *layer_name = kStmLayerName[layer_no];
+
+ // This layer is changed?
+ int changed = crr_state.layer[layer_no].changed;
+ if (changed)
+ {
+ HMI_DEBUG("wm:pm", ">>>>>>>>>> Update layer:%s", layer_name);
+
+ // Get previous layout name of this layer
+ LayoutState prv_layout_state = this->prv_layers[layer_name].layout_state;
+ std::string prv_layout_name = prv_layout_state.name;
+
+ // Get current layout name of this layer
+ int crr_layout_state_no = crr_state.layer[layer_no].state;
+ std::string crr_layout_name = std::string(kStmLayoutName[crr_layout_state_no]);
+
+ LayoutState crr_layout_state;
+ if ((prv_layout_name == crr_layout_name) &&
+ (kStmAreaName[StmAreaNoNone] == crr_layout_name))
+ {
+ // Copy previous layout state for current
+ crr_layout_state = prv_layout_state;
+ changed = 0;
+ }
+ else
+ {
+ // Copy previous layout state for current
+ crr_layout_state = prv_layout_state;
+
+ HMI_DEBUG("wm:pm", "-- layout name previous:%s current:%s",
+ prv_layout_name.c_str(), crr_layout_name.c_str());
+ if (prv_layout_name == crr_layout_name)
+ {
+ HMI_DEBUG("wm:pm", "---- Previous layout is same with current");
+ }
+ else
+ {
+ // If previous layout is NOT same with current,
+ // current areas is set with default value
+ HMI_DEBUG("wm:pm", "---- Previous layout is NOT same with current");
+ crr_layout_state.name = this->default_layouts[crr_layout_name].name;
+ crr_layout_state.category_num = this->default_layouts[crr_layout_name].category_num;
+ crr_layout_state.area_list = this->default_layouts[crr_layout_name].area_list;
+ }
+
+ // Create candidate list
+ std::map<std::string, AreaList> cand_list;
+ for (int ctg_no = StmCtgNoMin;
+ ctg_no <= StmCtgNoMax; ctg_no++)
+ {
+ if (ctg_no == StmCtgNoNone)
+ {
+ continue;
+ }
+
+ const char *ctg = kStmCategoryName[ctg_no];
+ HMI_DEBUG("wm:pm", "-- Create candidate list for ctg:%s", ctg);
+
+ AreaList tmp_cand_list;
+ int candidate_num = 0;
+ int blank_num = crr_layout_state.category_num[ctg];
+
+ // If requested event is "activate"
+ // and there are requested category and area,
+ // update area with requested role in current layout.
+ bool request_for_this_layer = false;
+ std::string used_role = "";
+ if ((ctg == req_ctg) && ("activate" == req_evt))
+ {
+ HMI_DEBUG("wm:pm", "---- Requested event is activate");
+ for (AreaState &as : crr_layout_state.area_list)
+ {
+ if (as.category == req_ctg)
+ {
+ request_for_this_layer = true;
+
+ if (as.name == req_area)
+ {
+ as.role = req_role;
+ used_role = req_role;
+ blank_num--;
+ HMI_DEBUG("wm:pm", "------ Update current layout: area:%s category:%s role:%s",
+ as.name.c_str(), as.category.c_str(), as.role.c_str());
+ break;
+ }
+ }
+ }
+ }
+
+ // Create candidate list for category from the previous displayed categories
+ for (AreaState area_state : prv_layout_state.area_list)
+ {
+ if ((std::string(ctg) == area_state.category) &&
+ (used_role != area_state.role))
+ {
+ // If there is the category
+ // which is same with new category and not used for updating yet,
+ // push it to list
+ HMI_DEBUG("wm:pm", "---- Push previous(category:%s role:%s) to candidate list",
+ area_state.category.c_str(), area_state.role.c_str());
+ tmp_cand_list.push_back(area_state);
+ candidate_num++;
+ }
+ }
+
+ // If NOT updated by requested area:
+ // there is not requested area in new layout,
+ // so push requested role to candidate list
+ if (request_for_this_layer && ("" == used_role))
+ {
+ HMI_DEBUG("wm:pm", "---- Push request(area:%s category:%s role:%s) to candidate list",
+ req_area.c_str(), req_ctg.c_str(), req_role.c_str());
+ AreaState area_state;
+ area_state.name = req_area;
+ area_state.category = req_ctg;
+ area_state.role = req_role;
+ tmp_cand_list.push_back(area_state);
+ candidate_num++;
+ }
+
+ HMI_DEBUG("wm:pm", "---- blank_num:%d candidate_num:%d", blank_num, candidate_num);
+
+ // Compare number of candidate/blank,
+ // And remove role in order of the oldest as necessary
+ if (candidate_num < blank_num)
+ {
+ // Refer history stack
+ // and add to the top of tmp_cand_list in order to the newest
+ while (candidate_num != blank_num)
+ {
+ AreaState area_state;
+ area_state.name = kStmAreaName[StmAreaNoNone];
+ area_state.category = ctg;
+ area_state.role = this->popRoleHistory(ctg);
+ if ("" == area_state.role)
+ {
+ HMI_ERROR("wm:pm", "There is no role in history stack!!");
+ }
+ tmp_cand_list.push_back(area_state);
+ HMI_DEBUG("wm:pm", "------ Add role:%s to candidate list",
+ area_state.role.c_str());
+ candidate_num++;
+ }
+ }
+ else if (candidate_num > blank_num)
+ {
+ // Remove the oldest role from candidate list
+ while (candidate_num != blank_num)
+ {
+ std::string removed_role = tmp_cand_list.begin()->role;
+ HMI_DEBUG("wm:pm", "------ Remove the oldest role:%s from candidate list",
+ removed_role.c_str());
+ tmp_cand_list.erase(tmp_cand_list.begin());
+ candidate_num--;
+
+ // Push removed data to history stack
+ this->pushRoleHistory(ctg, removed_role);
+
+ // Remove from current layout
+ for (AreaState &as : crr_layout_state.area_list)
+ {
+ if (as.role == removed_role)
+ {
+ as.role = "";
+ }
+ }
+ }
+ }
+ else
+ { // (candidate_num == blank_num)
+ // nop
+ }
+
+ cand_list[ctg] = tmp_cand_list;
+ }
+
+ // Update areas
+ HMI_DEBUG("wm:pm", "-- Update areas by using candidate list");
+ for (AreaState &as : crr_layout_state.area_list)
+ {
+ HMI_DEBUG("wm:pm", "---- Check area:%s category:%s role:%s",
+ as.name.c_str(), as.category.c_str(), as.role.c_str());
+ if ("" == as.role)
+ {
+ HMI_DEBUG("wm:pm", "------ Update this area with role:%s",
+ cand_list[as.category].begin()->role.c_str());
+ as.role = cand_list[as.category].begin()->role;
+ cand_list[as.category].erase(cand_list[as.category].begin());
+ }
+ }
+ }
+ // Update current layout of this layer
+ this->crr_layers[layer_name].layout_state = crr_layout_state;
+ }
+ // Update changed flag
+ this->crr_layers[layer_name].changed = (changed) ? true : false;
+ }
+
+ // Erase role for the event_id from list
+ this->req_role_list.erase(event_id);
+
+ HMI_DEBUG("wm:pm", ">>>>>>>>>> DUMP LAYERS (BEFORE)");
+ this->dumpLayerState(this->prv_layers);
+
+ HMI_DEBUG("wm:pm", ">>>>>>>>>> DUMP LAYERS (AFTER)");
+ this->dumpLayerState(this->crr_layers);
+
+ this->dumpRoleHistory();
+}
+
+void PolicyManager::createOutputInformation(StmState crr_state, json_object **json_out)
+{
+ json_object *json_tmp;
+
+ // Create layout information
+ //
+ // "layers": [
+ // {
+ // "homescreen": {
+ // "changed": <bool>,
+ // "areas": [
+ // {
+ // "name":<const char*>,
+ // "role":<const char*>
+ // }.
+ // ...
+ // ]
+ // }
+ // },
+ // ...
+ json_object *json_layer = json_object_new_array();
+ const char *layer_name;
+ for (int layer_no = StmLayerNoMin;
+ layer_no <= StmLayerNoMax; layer_no++)
+ {
+ layer_name = kStmLayerName[layer_no];
+ json_tmp = json_object_new_object();
+ this->addStateToJson(layer_name,
+ this->crr_layers[layer_name].changed,
+ this->crr_layers[layer_name].layout_state.area_list,
+ &json_tmp);
+ json_object_array_add(json_layer, json_tmp);
+ }
+ json_object_object_add(*json_out, "layers", json_layer);
+}
+
+int PolicyManager::transitionState(sd_event_source *source, void *data)
+{
+ HMI_DEBUG("wm:pm", ">>>>>>>>>> START STATE TRANSITION");
+
+ int event_id = *((int *)data);
+
+ int event_no, category_no, area_no;
+ event_no = STM_GET_EVENT_FROM_ID(event_id);
+ category_no = STM_GET_CATEGORY_FROM_ID(event_id);
+ area_no = STM_GET_AREA_FROM_ID(event_id);
+ HMI_DEBUG("wm:pm", ">>>>>>>>>> EVENT:%s CATEGORY:%s AREA:%s",
+ kStmEventName[event_no],
+ kStmCategoryName[category_no],
+ kStmAreaName[area_no]);
+
+ // Transition state
+ StmState crr_state;
+ int ret = stmTransitionState(event_id, &crr_state);
+ if (0 > ret)
+ {
+ HMI_ERROR("wm:pm", "Failed transition state");
+ if (nullptr != this->callback.onError)
+ {
+ json_object *json_out = json_object_new_object();
+ json_object_object_add(json_out, "message",
+ json_object_new_string("Failed to transition state"));
+ json_object_object_add(json_out, "event",
+ json_object_new_string(kStmEventName[event_no]));
+ json_object_object_add(json_out, "role",
+ json_object_new_string(this->req_role_list[event_id].c_str()));
+ json_object_object_add(json_out, "area",
+ json_object_new_string(kStmAreaName[area_no]));
+ this->callback.onError(json_out);
+ json_object_put(json_out);
+ }
+ return -1;
+ }
+
+ // Update state which is managed by PolicyManager
+ this->updateState(event_id, crr_state);
+
+ // Create output information for ResourceManager
+ json_object *json_out = json_object_new_object();
+ this->createOutputInformation(crr_state, &json_out);
+
+ // Notify changed state
+ if (nullptr != this->callback.onStateTransitioned)
+ {
+ this->callback.onStateTransitioned(json_out);
+ }
+
+ // Release json_object
+ json_object_put(json_out);
+
+ // Release data
+ delete (int *)data;
+
+ // Destroy sd_event_source object
+ sd_event_source_unref(source);
+
+ // Remove event source from list
+ if (this->event_source_list.find(event_id) != this->event_source_list.end())
+ {
+ this->event_source_list.erase(event_id);
+ }
+
+ HMI_DEBUG("wm:pm", ">>>>>>>>>> FINISH STATE TRANSITION");
+ return 0;
+}
+
+int PolicyManager::timerEvent(sd_event_source *source, uint64_t usec, void *data)
+{
+ HMI_DEBUG("wm:pm", "Call");
+
+ int ret = this->transitionState(source, data);
+ return ret;
+}
+
+int PolicyManager::setStateTransitionProcessToSystemd(int event_id, uint64_t delay_ms, std::string role)
+{
+ HMI_DEBUG("wm:pm", "event_id:0x%x delay:%d role:%s", event_id, delay_ms, role.c_str());
+
+ // Store requested role
+ this->req_role_list[event_id] = role;
+
+ if (0 == delay_ms)
+ {
+ int ret = sd_event_add_defer(afb_daemon_get_event_loop(), NULL,
+ &pm::transitionStateWrapper, new int(event_id));
+ if (0 > ret)
+ {
+ HMI_ERROR("wm:pm", "Faild to sd_event_add_defer: errno:%d", ret);
+ this->req_role_list.erase(event_id);
+ return -1;
+ }
+ }
+ else
+ {
+ // Get current time
+ struct timespec time_spec;
+ clock_gettime(CLOCK_MONOTONIC, &time_spec);
+
+ // Calculate timer fired time
+ uint64_t usec = (time_spec.tv_sec * 1000000) + (time_spec.tv_nsec / 1000) + (delay_ms * 1000);
+
+ // Set timer
+ struct sd_event_source *event_source;
+ int ret = sd_event_add_time(afb_daemon_get_event_loop(), &event_source,
+ CLOCK_MONOTONIC, usec, 1,
+ &pm::timerEventWrapper, new int(event_id));
+ if (0 > ret)
+ {
+ HMI_ERROR("wm:pm", "Faild to sd_event_add_time: errno:%d", ret);
+ this->req_role_list.erase(event_id);
+ return -1;
+ }
+
+ // Store event source
+ this->event_source_list[event_id] = event_source;
+ }
+
+ return 0;
+}
+
+int PolicyManager::loadRoleDb()
+{
+ std::string file_name;
+
+ // Get afm application installed dir
+ char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
+ HMI_DEBUG("wm:pm", "afm_app_install_dir:%s", afm_app_install_dir);
+
+ if (!afm_app_install_dir)
+ {
+ HMI_ERROR("wm:pm", "AFM_APP_INSTALL_DIR is not defined");
+ }
+ else
+ {
+ file_name = std::string(afm_app_install_dir) + std::string("/etc/roles.db");
+ }
+
+ // Load roles.db
+ json_object *json_obj;
+ int ret = this->inputJsonFilie(file_name.c_str(), &json_obj);
+ if (0 > ret)
+ {
+ HMI_ERROR("wm:pm", "Could not open roles.db, so use default role information");
+ json_obj = json_tokener_parse(kDefaultRoleDb);
+ }
+ HMI_DEBUG("wm:pm", "json_obj dump:%s", json_object_get_string(json_obj));
+
+ json_object *json_roles;
+ if (!json_object_object_get_ex(json_obj, "roles", &json_roles))
+ {
+ HMI_ERROR("wm:pm", "Parse Error!!");
+ return -1;
+ }
+
+ int len = json_object_array_length(json_roles);
+ HMI_DEBUG("wm:pm", "json_cfg len:%d", len);
+ HMI_DEBUG("wm:pm", "json_cfg dump:%s", json_object_get_string(json_roles));
+
+ json_object *json_tmp;
+ const char *category;
+ const char *roles;
+ const char *areas;
+ for (int i = 0; i < len; i++)
+ {
+ json_tmp = json_object_array_get_idx(json_roles, i);
+
+ category = this->getStringFromJson(json_tmp, "category");
+ roles = this->getStringFromJson(json_tmp, "role");
+ areas = this->getStringFromJson(json_tmp, "area");
+
+ if ((nullptr == category) || (nullptr == roles) || (nullptr == areas))
+ {
+ HMI_ERROR("wm:pm", "Parse Error!!");
+ return -1;
+ }
+
+ // Parse roles by '|'
+ std::vector<std::string> vct_roles;
+ vct_roles = this->parseString(std::string(roles), '|');
+
+ // Parse areas by '|'
+ std::vector<std::string> vct_areas;
+ vct_areas = this->parseString(std::string(areas), '|');
+
+ // Set role, category, default area
+ for (auto itr = vct_roles.begin(); itr != vct_roles.end(); ++itr)
+ {
+ // Delete space from role and area name
+ std::string role = this->deleteSpace(*itr);
+ std::string area = this->deleteSpace(vct_areas[0]);
+
+ this->role2category[role] = std::string(category);
+ this->role2defaultarea[role] = area;
+ }
+
+ this->category2role[std::string(category)] = std::string(roles);
+ }
+
+ // Check
+ HMI_DEBUG("wm:pm", "Check role2category");
+ for (const auto &x : this->role2category)
+ {
+ HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
+ }
+
+ HMI_DEBUG("wm:pm", "Check role2defaultarea");
+ for (const auto &x : this->role2defaultarea)
+ {
+ HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
+ }
+
+ HMI_DEBUG("wm:pm", "Check category2role");
+ for (const auto &x : this->category2role)
+ {
+ HMI_DEBUG("wm:pm", "key:%s, val:%s", x.first.c_str(), x.second.c_str());
+ }
+
+ return 0;
+}
+
+int PolicyManager::loadLayoutDb()
+{
+ HMI_DEBUG("wm:pm", "Call");
+
+ // Get afm application installed dir
+ char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
+ HMI_DEBUG("wm:pm", "afm_app_install_dir:%s", afm_app_install_dir);
+
+ std::string file_name;
+ if (!afm_app_install_dir)
+ {
+ HMI_ERROR("wm:pm", "AFM_APP_INSTALL_DIR is not defined");
+ }
+ else
+ {
+ file_name = std::string(afm_app_install_dir) + std::string("/etc/layouts.db");
+ }
+
+ // Load layouts.db
+ json_object *json_obj;
+ int ret = this->inputJsonFilie(file_name.c_str(), &json_obj);
+ if (0 > ret)
+ {
+ HMI_DEBUG("wm:pm", "Could not open layouts.db, so use default layout information");
+ json_obj = json_tokener_parse(kDefaultLayoutDb);
+ }
+ HMI_DEBUG("wm:pm", "json_obj dump:%s", json_object_get_string(json_obj));
+
+ // Perse layouts
+ HMI_DEBUG("wm:pm", "Perse layouts");
+ json_object *json_cfg;
+ if (!json_object_object_get_ex(json_obj, "layouts", &json_cfg))
+ {
+ HMI_ERROR("wm:pm", "Parse Error!!");
+ return -1;
+ }
+
+ int len = json_object_array_length(json_cfg);
+ HMI_DEBUG("wm:pm", "json_cfg len:%d", len);
+ HMI_DEBUG("wm:pm", "json_cfg dump:%s", json_object_get_string(json_cfg));
+
+ const char *layout;
+ const char *role;
+ const char *category;
+ for (int i = 0; i < len; i++)
+ {
+ json_object *json_tmp = json_object_array_get_idx(json_cfg, i);
+
+ layout = this->getStringFromJson(json_tmp, "name");
+ if (nullptr == layout)
+ {
+ HMI_ERROR("wm:pm", "Parse Error!!");
+ return -1;
+ }
+ HMI_DEBUG("wm:pm", "> layout:%s", layout);
+
+ json_object *json_area_array;
+ if (!json_object_object_get_ex(json_tmp, "areas", &json_area_array))
+ {
+ HMI_ERROR("wm:pm", "Parse Error!!");
+ return -1;
+ }
+
+ int len_area = json_object_array_length(json_area_array);
+ HMI_DEBUG("wm:pm", "json_area_array len:%d", len_area);
+ HMI_DEBUG("wm:pm", "json_area_array dump:%s", json_object_get_string(json_area_array));
+
+ LayoutState layout_state;
+ AreaState area_state;
+ std::map<std::string, int> category_num;
+ for (int ctg_no = StmCtgNoMin;
+ ctg_no <= StmCtgNoMax; ctg_no++)
+ {
+ const char *ctg_name = kStmCategoryName[ctg_no];
+ category_num[ctg_name] = 0;
+ }
+
+ for (int j = 0; j < len_area; j++)
+ {
+ json_object *json_area = json_object_array_get_idx(json_area_array, j);
+
+ // Get area name
+ const char *area = this->getStringFromJson(json_area, "name");
+ if (nullptr == area)
+ {
+ HMI_ERROR("wm:pm", "Parse Error!!");
+ return -1;
+ }
+ area_state.name = std::string(area);
+ HMI_DEBUG("wm:pm", ">> area:%s", area);
+
+ // Get app attribute of the area
+ category = this->getStringFromJson(json_area, "category");
+ if (nullptr == category)
+ {
+ HMI_ERROR("wm:pm", "Parse Error!!");
+ return -1;
+ }
+ area_state.category = std::string(category);
+ category_num[category]++;
+ HMI_DEBUG("wm:pm", ">>> category:%s", category);
+
+ role = this->getStringFromJson(json_area, "role");
+ if (nullptr != role)
+ {
+ // Role is NOT essential here
+ area_state.role = std::string(role);
+ }
+ else
+ {
+ area_state.role = std::string("");
+ }
+ HMI_DEBUG("wm:pm", ">>> role:%s", role);
+
+ layout_state.area_list.push_back(area_state);
+ }
+
+ layout_state.name = layout;
+ layout_state.category_num = category_num;
+ this->default_layouts[layout] = layout_state;
+ }
+
+ // initialize for none layout
+ LayoutState none_layout_state;
+ memset(&none_layout_state, 0, sizeof(none_layout_state));
+ none_layout_state.name = "none";
+ this->default_layouts["none"] = none_layout_state;
+
+ // Check
+ for (auto itr_layout = this->default_layouts.begin();
+ itr_layout != this->default_layouts.end(); ++itr_layout)
+ {
+ HMI_DEBUG("wm:pm", ">>> layout:%s", itr_layout->first.c_str());
+
+ for (auto itr_area = itr_layout->second.area_list.begin();
+ itr_area != itr_layout->second.area_list.end(); ++itr_area)
+ {
+ HMI_DEBUG("wm:pm", ">>> >>> area :%s", itr_area->name.c_str());
+ HMI_DEBUG("wm:pm", ">>> >>> category:%s", itr_area->category.c_str());
+ HMI_DEBUG("wm:pm", ">>> >>> role :%s", itr_area->role.c_str());
+ }
+ }
+
+ // Release json_object
+ json_object_put(json_obj);
+
+ return 0;
+}
+
+static const int kHistoryNum = 5;
+void PolicyManager::pushRoleHistory(std::string category, std::string role)
+{
+ auto i = std::remove_if(this->role_history[category].begin(),
+ this->role_history[category].end(),
+ [role](std::string x) { return (role == x); });
+
+ if (this->role_history[category].end() != i)
+ {
+ this->role_history[category].erase(i);
+ }
+
+ this->role_history[category].push_back(role);
+
+ if (kHistoryNum < role_history[category].size())
+ {
+ this->role_history[category].erase(
+ this->role_history[category].begin());
+ }
+}
+
+std::string PolicyManager::popRoleHistory(std::string category)
+{
+ std::string role;
+ if (role_history[category].empty())
+ {
+ role = "";
+ }
+ else
+ {
+ role = this->role_history[category].back();
+ this->role_history[category].pop_back();
+ }
+ return role;
+}
+
+const char *PolicyManager::getStringFromJson(json_object *obj, const char *key)
+{
+ json_object *tmp;
+ if (!json_object_object_get_ex(obj, key, &tmp))
+ {
+ HMI_DEBUG("wm:pm", "Not found key \"%s\"", key);
+ return nullptr;
+ }
+
+ return json_object_get_string(tmp);
+}
+
+int PolicyManager::inputJsonFilie(const char *file, json_object **obj)
+{
+ const int input_size = 128;
+ int ret = -1;
+
+ HMI_DEBUG("wm:pm", "Input file: %s", file);
+
+ // Open json file
+ FILE *fp = fopen(file, "rb");
+ if (nullptr == fp)
+ {
+ HMI_ERROR("wm:pm", "Could not open file");
+ return ret;
+ }
+
+ // Parse file data
+ struct json_tokener *tokener = json_tokener_new();
+ enum json_tokener_error json_error;
+ char buffer[input_size];
+ int block_cnt = 1;
+ while (1)
+ {
+ size_t len = fread(buffer, sizeof(char), input_size, fp);
+ *obj = json_tokener_parse_ex(tokener, buffer, len);
+ if (nullptr != *obj)
+ {
+ HMI_DEBUG("wm:pm", "File input is success");
+ ret = 0;
+ break;
+ }
+
+ json_error = json_tokener_get_error(tokener);
+ if ((json_tokener_continue != json_error) || (input_size > len))
+ {
+ HMI_ERROR("wm:pm", "Failed to parse file (byte:%d err:%s)",
+ (input_size * block_cnt), json_tokener_error_desc(json_error));
+ HMI_ERROR("wm:pm", "\n%s", buffer);
+ *obj = nullptr;
+ break;
+ }
+ block_cnt++;
+ }
+
+ // Close json file
+ fclose(fp);
+
+ // Free json_tokener
+ json_tokener_free(tokener);
+
+ return ret;
+}
+
+void PolicyManager::dumpLayerState(std::unordered_map<std::string, LayerState> &layers)
+{
+ HMI_DEBUG("wm:pm", "-------------------------------------------------------------------------------------------------------");
+ HMI_DEBUG("wm:pm", "|%-15s|%s|%-20s|%-20s|%-20s|%-20s|",
+ "LAYER", "C", "LAYOUT", "AREA", "CATEGORY", "ROLE");
+ for (const auto &itr : layers)
+ {
+ LayerState ls = itr.second;
+ const char* layer = ls.name.c_str();
+ const char* changed = (ls.changed) ? "T" : "f";
+ const char* layout = ls.layout_state.name.c_str();
+ bool first = true;
+ for (const auto &as : ls.layout_state.area_list)
+ {
+ if (first)
+ {
+ first = false;
+ HMI_DEBUG("wm:pm", "|%-15s|%1s|%-20s|%-20s|%-20s|%-20s|",
+ layer, changed, layout,
+ as.name.c_str(), as.category.c_str(), as.role.c_str());
+ }
+ else
+ HMI_DEBUG("wm:pm", "|%-15s|%1s|%-20s|%-20s|%-20s|%-20s|",
+ "", "", "", as.name.c_str(), as.category.c_str(), as.role.c_str());
+ }
+ }
+ HMI_DEBUG("wm:pm", "-------------------------------------------------------------------------------------------------------");
+}
+
+void PolicyManager::dumpRoleHistory()
+{
+ HMI_DEBUG("wm:pm", ">>>>>>>>>> DUMP ROLE HISTORY ( category [older > newer] )");
+ for (int ctg_no = StmCtgNoMin; ctg_no <= StmCtgNoMax; ctg_no++)
+ {
+ if (ctg_no == StmCtgNoNone)
+ continue;
+
+ std::string category = std::string(kStmCategoryName[ctg_no]);
+
+ std::string str = category + " [ ";
+ for (const auto &i : this->role_history[category])
+ str += (i + " > ");
+
+ str += "]";
+ HMI_DEBUG("wm:pm", "%s", str.c_str());
+ }
+}
+
+std::vector<std::string> PolicyManager::parseString(std::string str, char delimiter)
+{
+ // Parse string by delimiter
+ std::vector<std::string> vct;
+ std::stringstream ss{str};
+ std::string buf;
+ while (std::getline(ss, buf, delimiter))
+ {
+ if (!buf.empty())
+ {
+ vct.push_back(buf);
+ }
+ }
+ return vct;
+}
+
+std::string PolicyManager::deleteSpace(std::string str)
+{
+ std::string ret = str;
+ size_t pos;
+ while ((pos = ret.find_first_of(" ")) != std::string::npos)
+ {
+ ret.erase(pos, 1);
+ }
+ return ret;
+}
+
+const char *PolicyManager::kDefaultRoleDb = "{ \
+ \"roles\":[ \
+ { \
+ \"category\": \"homescreen\", \
+ \"role\": \"homescreen\", \
+ \"area\": \"fullscreen\", \
+ }, \
+ { \
+ \"category\": \"map\", \
+ \"role\": \"map\", \
+ \"area\": \"normal.full | split.main\", \
+ }, \
+ { \
+ \"category\": \"general\", \
+ \"role\": \"launcher | poi | browser | sdl | mixer | radio | hvac | debug | phone | video | music\", \
+ \"area\": \"normal.full\", \
+ }, \
+ { \
+ \"category\": \"system\", \
+ \"role\": \"settings | dashboard\", \
+ \"area\": \"normal.full\", \
+ }, \
+ { \
+ \"category\": \"software_keyboard\", \
+ \"role\": \"software_keyboard\", \
+ \"area\": \"software_keyboard\", \
+ }, \
+ { \
+ \"category\": \"restriction\", \
+ \"role\": \"restriction\", \
+ \"area\": \"restriction.normal | restriction.split.main | restriction.split.sub\", \
+ }, \
+ { \
+ \"category\": \"pop_up\", \
+ \"role\": \"pop_up\", \
+ \"area\": \"on_screen\", \
+ }, \
+ { \
+ \"category\": \"system_alert\", \
+ \"role\": \"system_alert\", \
+ \"area\": \"on_screen\", \
+ } \
+ ] \
+}";
+
+const char *PolicyManager::kDefaultLayoutDb = "{ \
+ \"layouts\": [ \
+ { \
+ \"name\": \"homescreen\", \
+ \"layer\": \"far_homescreen\", \
+ \"areas\": [ \
+ { \
+ \"name\": \"fullscreen\", \
+ \"category\": \"homescreen\" \
+ } \
+ ] \
+ }, \
+ { \
+ \"name\": \"map.normal\", \
+ \"layer\": \"apps\", \
+ \"areas\": [ \
+ { \
+ \"name\": \"normal.full\", \
+ \"category\": \"map\" \
+ } \
+ ] \
+ }, \
+ { \
+ \"name\": \"map.split\", \
+ \"layer\": \"apps\", \
+ \"areas\": [ \
+ { \
+ \"name\": \"split.main\", \
+ \"category\": \"map\" \
+ }, \
+ { \
+ \"name\": \"split.sub\", \
+ \"category\": \"splitable\" \
+ } \
+ ] \
+ }, \
+ { \
+ \"name\": \"map.fullscreen\", \
+ \"layer\": \"apps\", \
+ \"areas\": [ \
+ { \
+ \"name\": \"fullscreen\", \
+ \"category\": \"map\" \
+ } \
+ ] \
+ }, \
+ { \
+ \"name\": \"splitable.normal\", \
+ \"layer\": \"apps\", \
+ \"areas\": [ \
+ { \
+ \"name\": \"normal.full\", \
+ \"category\": \"splitable\" \
+ } \
+ ] \
+ }, \
+ { \
+ \"name\": \"splitable.split\", \
+ \"layer\": \"apps\", \
+ \"areas\": [ \
+ { \
+ \"name\": \"split.main\", \
+ \"category\": \"splitable\" \
+ }, \
+ { \
+ \"name\": \"split.sub\", \
+ \"category\": \"splitable\" \
+ } \
+ ] \
+ }, \
+ { \
+ \"name\": \"general.normal\", \
+ \"layer\": \"apps\", \
+ \"areas\": [ \
+ { \
+ \"name\": \"normal.full\", \
+ \"category\": \"general\" \
+ } \
+ ] \
+ }, \
+ { \
+ \"name\": \"system.normal\", \
+ \"layer\": \"apps\", \
+ \"areas\": [ \
+ { \
+ \"name\": \"normal.full\", \
+ \"category\": \"system\" \
+ } \
+ ] \
+ }, \
+ { \
+ \"name\": \"software_keyboard\", \
+ \"layer\": \"near_homescreen\", \
+ \"areas\": [ \
+ { \
+ \"name\": \"software_keyboard\", \
+ \"category\": \"software_keyboard\" \
+ } \
+ ] \
+ }, \
+ { \
+ \"name\": \"restriction.normal\", \
+ \"layer\": \"restriction\", \
+ \"areas\": [ \
+ { \
+ \"name\": \"restriction.normal\", \
+ \"category\": \"restriction\" \
+ } \
+ ] \
+ }, \
+ { \
+ \"name\": \"restriction.split.main\", \
+ \"layer\": \"restriction\", \
+ \"areas\": [ \
+ { \
+ \"name\": \"restriction.split.main\", \
+ \"category\": \"restriction\" \
+ } \
+ ] \
+ }, \
+ { \
+ \"name\": \"restriction.split.sub\", \
+ \"layer\": \"restriction\", \
+ \"areas\": [ \
+ { \
+ \"name\": \"restriction.split.sub\", \
+ \"category\": \"restriction\" \
+ } \
+ ] \
+ }, \
+ { \
+ \"name\": \"pop_up\", \
+ \"layer\": \"on_screen\", \
+ \"areas\": [ \
+ { \
+ \"name\": \"on_screen\", \
+ \"category\": \"pop_up\" \
+ } \
+ ] \
+ }, \
+ { \
+ \"name\": \"system_alert\", \
+ \"layer\": \"on_screen\", \
+ \"areas\": [ \
+ { \
+ \"name\": \"on_screen\", \
+ \"category\": \"system_alert\" \
+ } \
+ ] \
+ } \
+ ] \
+}";
Code Review / apps / agl-service-windowmanager-2017.git / blobdiff