#include <istream>
#include <thread>
#include <map>
+#include <queue>
#include <systemd/sd-event.h>
#include <json-c/json.h>
#include "policy_manager.hpp"
std::string role;
} AreaState;
+typedef std::vector<AreaState> AreaList;
typedef struct LayoutState {
std::string name;
std::map<std::string, int> category_num;
-// int category_num[stm::gStmCategoryNoNum];
- std::vector<AreaState> area_list;
- std::map<std::string, std::string> last_invisibled_role;
+ AreaList area_list;
+ std::map<std::string, std::vector<std::string>> role_history;
} LayoutState;
typedef struct LayerState {
LayoutState layout_state;
} LayerState;
+typedef struct EventInfo {
+ int event;
+ std::string role;
+ uint64_t delay;
+} EventInfo;
+
struct sd_event* event_loop;
std::map<int, struct sd_event_source*> event_source_list;
-std::map<int, std::string> g_event_info_list;
+std::map<int, std::string> g_req_role_list;
PolicyManager::CallbackTable callback;
+std::queue<EventInfo> g_event_info_queue;
std::unordered_map<std::string, LayerState> g_prv_layers;
std::unordered_map<std::string, LayerState> g_crr_layers;
json_object_object_add(*json_out, key, json_obj);
}
-static int checkPolicyEntry(int event, uint64_t delay_ms, const char* role);
+static void addStateToJson(const char* layer_name, unsigned int changed,
+ pm::AreaList area_list, json_object** json_out) {
+ if ((nullptr == layer_name) || (1 < changed) || (nullptr == json_out)) {
+ HMI_ERROR("wm:pm", "Invalid argument!!!");
+ return;
+ }
+
+ json_object* json_areas = json_object_new_array();
+ json_object* json_tmp;
+ for (pm::AreaState 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);
+}
+
+
+static int checkPolicyEntry(int event, uint64_t delay_ms, std::string role);
static int checkPolicy(sd_event_source *source, void *data) {
HMI_DEBUG("wm:pm", "Call");
HMI_DEBUG("wm:pm", ">>>>>>>>>> START CHECK POLICY");
crr_state.layer[stm::gStmLayerNoOnScreen].state,
stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoOnScreen].state]);
-#if 1 // @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
// Store previous layers
pm::g_prv_layers = pm::g_crr_layers;
- std::string role = pm::g_event_info_list[event_data];
- std::string event = std::string(stm::gStmEventName[event_no]);
- std::string category = std::string(stm::gStmCategoryName[category_no]);
- std::string area = std::string(stm::gStmAreaName[area_no]);
+ std::string req_role = pm::g_req_role_list[event_data];
+ std::string req_evt = std::string(stm::gStmEventName[event_no]);
+ std::string req_ctg = std::string(stm::gStmCategoryName[category_no]);
+ std::string req_area = std::string(stm::gStmAreaName[area_no]);
+ HMI_DEBUG("wm:pm", "REQ: event:%s role%s category:%s area:%s",
+ req_evt.c_str(), req_role.c_str(), req_ctg.c_str(), req_area.c_str());
// Update layers
for (int layer_no = stm::gStmLayerNoMin;
crr_layout_state = pm::g_prv_layers_car_stop[layer_name].layout_state;
#endif
}
-#if 0
- else if ("none" == crr_layout_name) {
- // If current layout is "none",
- // current areas is set with "none"
- HMI_DEBUG("wm:pm", "Current layout is \"none\"");
- pm::AreaState crr_area_state;
- crr_area_state.name = "none";
- crr_area_state.category = "none";
- crr_area_state.role = "none";
- crr_layout_state.name = "none";
- crr_layout_state.area_list.push_back(crr_area_state);
- }
-#endif
else {
// Copy previous layout state for current
crr_layout_state = prv_layout_state;
crr_layout_state.area_list = pm::g_default_layouts[crr_layout_name].area_list;
}
- // Update role in new area
-#if 0
-#if 1
- if (crr_state.restriction_mode.is_changed) {
- // Updating role is not necessary
- // because new_role is not specified
- // when restriction mode is changed
- HMI_DEBUG("wm:lm", "Updating role is not necessary because new_role is not specified when restriction mode is changed");
-#else
- if (crr_state.car.is_changed) {
- // Updating role is not necessary
- // because new_role is not specified
- // when car state is changed
- HMI_DEBUG("wm:lm", "Updating role is not necessary because new_role is not specified when car state is changed");
-#endif
- }
- else {
-#endif
- std::map<std::string, std::vector<pm::AreaState>> ctg_list;
- for (int ctg_no=stm::gStmCategoryNoMin;
- ctg_no<=stm::gStmCategoryNoMax; ctg_no++) {
- const char* ctg = stm::gStmCategoryName[ctg_no];
- HMI_DEBUG("wm:pm", "ctg:%s", ctg);
-
- // Create area list of previous app
- std::vector<pm::AreaState> area_list;
- for (pm::AreaState area_state : prv_layout_state.area_list) {
- if (std::string(ctg) == area_state.category) {
- // If there is the category which is same with new category in previous layout,
- // push it to area list
- HMI_DEBUG("wm:pm", "push area_state to prv list category:%s role:%s",
- area_state.category.c_str(), area_state.role.c_str());
- area_list.push_back(area_state);
- }
- }
-
- int prv_ctg_num = prv_layout_state.category_num[ctg];
- int crr_ctg_num = crr_layout_state.category_num[ctg];
- HMI_DEBUG("wm:pm", "crr_ctg_num:%d prv_ctg_num:%d", crr_ctg_num, prv_ctg_num);
-
- // Remove state of area which is used no longer from area list
- if (crr_ctg_num < prv_ctg_num) {
- HMI_DEBUG("wm:pm", "crr_ctg_num < prv_ctg_num");
- if (0 == strcmp(ctg, category.c_str())) {
- for (auto i = area_list.begin(); i != area_list.end(); ++i) {
- if ((role == i->role) && (area == i->name)) {
- HMI_DEBUG("wm:pm", "store removed role:%s", i->role.c_str());
- crr_layout_state.last_invisibled_role[category] = i->role;
-
- HMI_DEBUG("wm:pm", "remove area state which have same role with requested role");
- area_list.erase(i);
-
- prv_ctg_num--;
-
- if (crr_ctg_num == prv_ctg_num) {
- break;
- }
- }
- }
- }
- else {
- HMI_DEBUG("wm:pm", "store removed role:%s", area_list.begin()->role.c_str());
- crr_layout_state.last_invisibled_role[ctg] = area_list.begin()->role;
-
- HMI_DEBUG("wm:pm", "remove the oldest area data");
- area_list.erase(area_list.begin());
- }
- }
- else if (crr_ctg_num >= prv_ctg_num) {
- HMI_DEBUG("wm:pm", "crr_ctg_num >= prv_ctg_num");
- if (0 == strcmp(ctg, category.c_str())) {
- HMI_DEBUG("wm:pm", "category of requested role is same");
- if ((crr_ctg_num == prv_ctg_num) && (0 != prv_ctg_num)) {
- HMI_DEBUG("wm:pm", "store removed role:%s", area_list.begin()->role.c_str());
- crr_layout_state.last_invisibled_role[ctg] = area_list.begin()->role;
-
- HMI_DEBUG("wm:pm", "remove the oldest area data for adding requested role");
- area_list.erase(area_list.begin());
- }
- }
+ // Create candidate list
+ std::map<std::string, pm::AreaList> cand_list;
+ for (int ctg_no=stm::gStmCategoryNoMin;
+ ctg_no<=stm::gStmCategoryNoMax; ctg_no++) {
+ const char* ctg = stm::gStmCategoryName[ctg_no];
+ HMI_DEBUG("wm:pm", "ctg:%s", ctg);
+
+ // Create candidate list for category from the previous displayed categories
+ pm::AreaList tmp_cand_list;
+ for (pm::AreaState area_state : prv_layout_state.area_list) {
+ if (std::string(ctg) == area_state.category) {
+ // If there is the category which is same with new category in previous layout,
+ // push it to list
+ HMI_DEBUG("wm:pm", "Push to candidate list category:%s role:%s",
+ area_state.category.c_str(), area_state.role.c_str());
+ tmp_cand_list.push_back(area_state);
}
-
- // Check
- for (pm::AreaState area_state : area_list) {
- HMI_DEBUG("wm:pm", "area_list name:%s category:%s role:%s",
- area_state.name.c_str(),
- area_state.category.c_str(),
- area_state.role.c_str());
- }
-
- ctg_list[ctg] = area_list;
}
- if (event == "activate") {
- HMI_DEBUG("wm:pm", "event is activate");
- // First, update area for requested role
- bool request_for_this_layer = false;
- bool updated = false;
+ int candidate_num = prv_layout_state.category_num[ctg];
+ int blank_num = crr_layout_state.category_num[ctg];
+ HMI_DEBUG("wm:pm", "blank_num:%d candidate_num:%d", blank_num, candidate_num);
+
+ // 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;
+ bool updated = false;
+ if ((ctg == req_ctg) && ("activate" == req_evt) ) {
+ HMI_DEBUG("wm:pm", "requested event is activate");
for (pm::AreaState &as : crr_layout_state.area_list) {
- if (as.category == category) {
+ if (as.category == req_ctg) {
request_for_this_layer = true;
- if (as.name == area) {
- HMI_DEBUG("wm:pm", "update area for requested category:%s role:%s area:%s", category.c_str(), role.c_str(), area.c_str());
- as.role = role;
+
+ if (as.name == req_area) {
+ 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());
+ as.role = req_role;
+ blank_num--;
updated = true;
break;
}
}
// If NOT updated: there is not requested area in new layout,
- // requested role is used later.
+ // so push requested role to candidate list
if (request_for_this_layer && (!updated)) {
- HMI_DEBUG("wm:pm", "requested role is used later category:%s role:%s area:%s", category.c_str(), role.c_str(), area.c_str());
+ HMI_DEBUG("wm:pm", "Push request to candidate list");
pm::AreaState area_state;
- area_state.name = area;
- area_state.category = category;
- area_state.role = role;
- ctg_list[category].push_back(area_state);
+ area_state.name = req_area;
+ area_state.category = req_ctg;
+ area_state.role = req_role;
+ tmp_cand_list.push_back(area_state);
}
}
- // Update areas
- for (pm::AreaState &as : crr_layout_state.area_list) {
- HMI_DEBUG("wm:pm", "current area info area:%s category:%s role:%s",
- as.name.c_str(), as.category.c_str(), as.role.c_str());
- if ((as.role != role) || ("" == as.role)) {
- HMI_DEBUG("wm:pm", "update areas for category:%s", as.category.c_str());
- if (0 != ctg_list[as.category].size()) {
- HMI_DEBUG("wm:pm", "update role to %s by using area list this category",
- ctg_list[as.category].begin()->role);
- as.role = ctg_list[as.category].begin()->role;
- ctg_list[as.category].erase(ctg_list[as.category].begin());
+ // 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) {
+ pm::AreaState area_state;
+ area_state.name = "";
+ area_state.category = ctg;
+ if (0 != crr_layout_state.role_history[ctg].size()) {
+ HMI_ERROR("wm:pm", "Use role in history stack:%s",
+ crr_layout_state.role_history[ctg].back().c_str());
+ area_state.role = crr_layout_state.role_history[ctg].back();
+ crr_layout_state.role_history[ctg].pop_back();
}
else {
- HMI_DEBUG("wm:pm", "there is no area list for this category, so update area by last invisibled role:", crr_layout_state.last_invisibled_role[as.category]);
- as.role = crr_layout_state.last_invisibled_role[as.category];
- crr_layout_state.last_invisibled_role.erase(as.category);
+ HMI_ERROR("wm:pm", "There is no role in history stack!!");
+ area_state.role = "";
}
+ tmp_cand_list.push_back(area_state);
+ candidate_num++;
}
}
-#if 0
+ else if (candidate_num > blank_num) {
+ HMI_DEBUG("wm:pm", "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 data(role:%s) from tmp_cand_list",
+ removed_role.c_str());
+ tmp_cand_list.erase(tmp_cand_list.begin());
+ candidate_num--;
+
+ // Push removed data to history stack
+ crr_layout_state.role_history[ctg].push_back(removed_role);
+ }
+ }
+ else { // (candidate_num == blank_num)
+ // nop
+ }
+
+ cand_list[ctg] = tmp_cand_list;
+ }
+
+ // Update areas
+ for (pm::AreaState &as : crr_layout_state.area_list) {
+ HMI_DEBUG("wm:pm", "Current area info area:%s category:%s",
+ as.name.c_str(), as.category.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());
+ }
}
-#endif
}
// Update current layout of this layer
pm::g_crr_layers[layer_name].layout_state = crr_layout_state;
HMI_DEBUG("wm:pm", ">>> >>> >>> >>> ROLE:%s", as.role.c_str());
}
}
-#endif // @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
json_object* json_out = json_object_new_object();
stm::gStmRestrictionModeStateNo2Name[crr_state.restriction_mode.state],
&json_out);
+ // Create layout information
+ //
// "layers": [
+ // {
+ // "homescreen": {
+ // "changed": <bool>,
+ // "areas": [
+ // {
+ // "name":<const char*>,
+ // "role":<const char*>
+ // }.
+ // ...
+ // ]
+ // }
+ // },
+ // ...
json_object* json_layer = json_object_new_array();
json_object* json_tmp;
+ for (int layer_no = stm::gStmLayerNoMin;
+ layer_no <= stm::gStmLayerNoMax; layer_no++) {
+ const char* layer_name = stm::gStmLayerName[layer_no];
+ HMI_DEBUG("wm:pm", "LAYER:%s", layer_name);
- // {
- // "homescreen": {
- // "is_changed": <bool>,
- // "state": <const char*>
- // }
- // },
- // ]
- // }
- json_tmp = json_object_new_object();
- addStateToJson("homescreen",
- crr_state.layer[stm::gStmLayerNoHomescreen].is_changed,
-#if 1
- pm::g_crr_layers["homescreen"].layout_state.name.c_str(),
-#else
- stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoHomescreen].state],
-#endif
- &json_tmp);
- json_object_array_add(json_layer, json_tmp);
-
- // {
- // "apps": {
- // "is_changed": <bool>,
- // "state": <const char*>
- // }
- // },
- json_tmp = json_object_new_object();
- addStateToJson("apps",
- crr_state.layer[stm::gStmLayerNoApps].is_changed,
-#if 1
- pm::g_crr_layers["apps"].layout_state.name.c_str(),
-#else
- stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoApps].state],
-#endif
- &json_tmp);
- json_object_array_add(json_layer, json_tmp);
-
- // {
- // "restriction": {
- // "is_changed": <bool>,
- // "state": <const char*>
- // }
- // },
- json_tmp = json_object_new_object();
- addStateToJson("restriction",
- crr_state.layer[stm::gStmLayerNoRestriction].is_changed,
-#if 1
- pm::g_crr_layers["restriction"].layout_state.name.c_str(),
-#else
- stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoRestriction].state],
-#endif
- &json_tmp);
- json_object_array_add(json_layer, json_tmp);
-
- // {
- // "on_screen": {
- // "is_changed": <bool>,
- // "state": <const char*>
- // }
- // },
- json_tmp = json_object_new_object();
- addStateToJson("on_screen",
- crr_state.layer[stm::gStmLayerNoOnScreen].is_changed,
-#if 1
- pm::g_crr_layers["on_screen"].layout_state.name.c_str(),
-#else
- stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoOnScreen].state],
-#endif
- &json_tmp);
- json_object_array_add(json_layer, json_tmp);
+ json_tmp = json_object_new_object();
+ addStateToJson(layer_name,
+ crr_state.layer[layer_no].is_changed,
+ pm::g_crr_layers[layer_name].layout_state.area_list,
+ &json_tmp);
+ json_object_array_add(json_layer, json_tmp);
+ }
// Add json array of layer
json_object_object_add(json_out, "layers", json_layer);
if (crr_state.car.is_changed) {
if (stm::gStmCarStateNoRun == crr_state.car.state) {
// Set delay event(restriction mode on)
- checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_ON, 3000, nullptr);
+ checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_ON, 3000, "");
}
else if (stm::gStmCarStateNoStop == crr_state.car.state) {
// Set event(restriction mode off)
- checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_OFF, 0, nullptr);
+ checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_OFF, 0, "");
// Stop timer for restriction on event
if (pm::event_source_list.find(STM_EVT_NO_RESTRICTION_MODE_ON)
}
static int timerEvent(sd_event_source *source, uint64_t usec, void *data) {
+ HMI_DEBUG("wm:pm", "Call");
+
int ret = checkPolicy(source, data);
return ret;
-};
+}
-static int checkPolicyEntry(int event, uint64_t delay_ms, const char* role)
+static int checkPolicyEntry(int event, uint64_t delay_ms, std::string role)
{
HMI_DEBUG("wm:pm", "Call");
- HMI_DEBUG("wm:pm", "event:0x%x", event);
+ HMI_DEBUG("wm:pm", "event:0x%x delay:%d role:%s", event, delay_ms, role.c_str());
- // Store event info
- if (nullptr == role) {
- pm::g_event_info_list[event] = std::string("");
- }
- else {
- pm::g_event_info_list[event] = std::string(role);
- }
+ // Store requested role
+ pm::g_req_role_list[event] = role;
if (0 == delay_ms) {
int ret = sd_event_add_defer(pm::event_loop, NULL,
&checkPolicy, new int(event));
if (0 > ret) {
HMI_ERROR("wm:pm", "Faild to sd_event_add_defer: errno:%d", ret);
- pm::g_event_info_list.erase(event);
+ pm::g_req_role_list.erase(event);
return -1;
}
}
&timerEvent, new int(event));
if (0 > ret) {
HMI_ERROR("wm:pm", "Faild to sd_event_add_time: errno:%d", ret);
- pm::g_event_info_list.erase(event);
+ pm::g_req_role_list.erase(event);
return -1;
}
}
void PolicyManager::registerCallback(CallbackTable callback) {
+ HMI_DEBUG("wm:pm", "Call");
+
pm::callback.onStateTransitioned = callback.onStateTransitioned;
pm::callback.onError = callback.onError;
}
-int PolicyManager::inputEvent(json_object* json_in) {
+int PolicyManager::setInputEventData(json_object* json_in) {
HMI_DEBUG("wm:pm", "Call");
// Check arguments
HMI_DEBUG("wm:pm", "area(%s:%d)", area, area_no);
}
- // Check policy
- checkPolicyEntry((event_no | category_no | area_no), 0, role);
+ // Set event info to the queue
+ pm::EventInfo event_info;
+ event_info.event = (event_no | category_no | area_no);
+ if (nullptr == role) {
+ event_info.role = std::string("");
+ }
+ else {
+ event_info.role = std::string(role);
+ }
+ event_info.delay = 0;
+ pm::g_event_info_queue.push(event_info);
return 0;
}
-std::string PolicyManager::roleToCategory(const char* role) {
- return this->role2category_[role];
+int PolicyManager::executeStateTransition() {
+ HMI_DEBUG("wm:pm", "Call");
+
+ int ret;
+ pm::EventInfo event_info;
+
+ while (!pm::g_event_info_queue.empty()) {
+ // Get event info from queue and delete
+ event_info = pm::g_event_info_queue.front();
+ pm::g_event_info_queue.pop();
+
+ // Set event info for checking policy
+ ret = checkPolicyEntry(event_info.event, event_info.delay, event_info.role);
+ }
+ return ret;
+}
+
+void PolicyManager::undoState() {
+ HMI_DEBUG("wm:pm", "Call");
+
+ // Undo state of STM
+ stm::stmUndoState();
+
+ pm::g_crr_layers = pm::g_prv_layers;
}
extern const char* kDefaultRoleDb;
if (nullptr != role) {
// Role is NOT essential here
area_state.role = std::string(role);
- HMI_DEBUG("wm:pm", ">>> role:%s", role);
}
+ else {
+ area_state.role = std::string("");
+
+ }
+ HMI_DEBUG("wm:pm", ">>> role:%s", role);
layout_state.area_list.push_back(area_state);