Revert "Add PolicyManager as plugin"

This reverts commit 99b6f4d2fcd421d3a760a88a67e511fb6fc98068.

Change-Id: I8725ca05a3e3fa0ea9e1db935e9e7d5b85a9affd

1 files changed, 0 insertions, 1341 deletions

diff --git a/src/policy_manager/policy_manager.cpp b/src/policy_manager/policy_manager.cpp
deleted file mode 100644
index f994281..0000000
--- a/src/policy_manager/policy_manager.cpp
+++ /dev/null
@@ -1,1341 +0,0 @@
-/*
- * 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\" \
-                } \
-            ] \
-        } \
-    ] \
-}";