Modify API of PolicyManager
[apps/agl-service-windowmanager.git] / src / policy_manager / policy_manager.cpp
index b790794..a91d98e 100644 (file)
@@ -18,6 +18,9 @@
 #include <fstream>
 #include <sstream>
 #include <istream>
+#include <thread>
+#include <map>
+#include <systemd/sd-event.h>
 #include <json-c/json.h>
 #include "policy_manager.hpp"
 #include "hmi-debug.h"
@@ -29,6 +32,13 @@ extern "C" {
 } // namespace stm
 
 
+namespace pm {
+struct sd_event* event_loop;
+std::map<int, struct sd_event_source*> event_source_list;
+PolicyManager::CallbackTable callback;
+}  // namespace pm
+
+
 PolicyManager::PolicyManager() :
   eventname2no_(),
   categoryname2no_(),
@@ -62,7 +72,7 @@ int PolicyManager::initialize() {
     }
 
     // Load role.db
-    ret = loadRoleDb();
+    ret = this->loadRoleDb();
     if (0 > ret) {
         HMI_ERROR("wm:pm", "Load role.db Error!!");
         return ret;
@@ -71,118 +81,173 @@ int PolicyManager::initialize() {
     // Initialize StateTransitioner
     stm::stmInitialize();
 
+    // Initialize sd_event loop
+    ret = this->initializeSdEventLoop();
+    if (0 > ret) {
+        HMI_ERROR("wm:pm", "Failed to initializeSdEventLoop!!");
+        return ret;
+    }
+
     return ret;
 }
 
-int PolicyManager::checkPolicy(json_object* json_in, json_object** json_out) {
-    HMI_DEBUG("wm:pm", "Call");
-
-    // Check arguments
-    if ((nullptr == json_in) || (nullptr == json_out)) {
-        HMI_ERROR("wm:pm", "Argument is NULL!!");
+int PolicyManager::initializeSdEventLoop() {
+    // Get default event loop object
+    int ret = sd_event_new(&(pm::event_loop));
+    if (0 > ret) {
+        HMI_ERROR("wm:pm", "Faild to sd_event_default: errno:%d", ret);
         return -1;
     }
 
-    // Get event from json_object
-    const char* event = this->getStringFromJson(json_in, "event");
-    int event_no = 0;
-    if (nullptr != event) {
-        // Convert name to number
-        event_no = this->eventname2no_[event];
-        HMI_DEBUG("wm:pm", "event(%s:%d)", event, event_no);
-    }
-
-    // Get role from json_object
-    const char* role = this->getStringFromJson(json_in, "role");
-    int category_no = 0;
-    if (nullptr != role) {
-        HMI_DEBUG("wm:pm", "role(%s)", role);
-
-        // Convert role to category
-        const char* category = this->role2category_[role].c_str();
-        if (0 == strcmp("", category)) {
-            HMI_ERROR("wm:pm", "Error!!");
-            return -1;
+    // Create thread for sd_event and detach
+    std::thread sd_event_loop([this]() {
+        while (1) {
+            sd_event_run(pm::event_loop, 1000);
         }
-        HMI_DEBUG("wm:pm", "category(%s)", category);
+    });
+    sd_event_loop.detach();
 
-        // Convert name to number
-        category_no = categoryname2no_[category];
-        HMI_DEBUG("wm:pm", "role(%s), category(%s:%d)", role, category, category_no);
+    return 0;
+}
+
+static void addStateToJson(
+  const char* key, int is_changed, const char* state, json_object** json_out) {
+    if ((nullptr == key) || (nullptr == state) || (nullptr == json_out)) {
+        HMI_ERROR("wm:pm", "Argument is nullptr!!!");
+        return;
     }
 
-    // Get areat from json_object
-    const char* area = this->getStringFromJson(json_in, "area");
-    int area_no = 0;
-    if (nullptr != area) {
-        // Convert name to number
-        area_no = areaname2no_[area];
-        HMI_DEBUG("wm:pm", "area(%s:%d)", area, area_no);
+    json_object* json_obj = json_object_new_object();
+    json_object_object_add(json_obj, "is_changed", json_object_new_boolean(is_changed));
+    if (is_changed) {
+        HMI_DEBUG("wm:pm", "%s: state changed (%s)", key, state);
+        json_object_object_add(json_obj, "state", json_object_new_string(state));
     }
+    json_object_object_add(*json_out, key, json_obj);
+}
 
-    HMI_DEBUG("wm:pm", "set event:0x%x", (event_no | category_no | area_no));
+static int checkPolicyEntry(int event, uint64_t delay_ms);
+static int checkPolicy(sd_event_source *source, void *data) {
+    HMI_DEBUG("wm:pm", "Call");
+    HMI_DEBUG("wm:pm", ">>>>>>>>>> START CHECK POLICY");
+
+    int event = *((int*)data);
+
+    int event_no, category_no, area_no;
+    event_no    = event & STM_MSK_EVT_NO;
+    category_no = event & STM_MSK_CTG_NO;
+    area_no     = event & STM_MSK_ARA_NO;
+    HMI_DEBUG("wm:pm", ">>>>>>>>>> event:%s category:%s area:%s",
+              stm::gStmEventName[event_no - 1],
+              stm::gStmCategoryName[(category_no >> 8) - 1],
+              stm::gStmAreaName[(area_no >> 16) - 1]);
 
     // Transition state
     stm::stm_state_t crr_state;
-    int ret = stm::stmTransitionState((event_no | category_no | area_no), &crr_state);
+    int ret = stm::stmTransitionState(event, &crr_state);
     if (0 > ret) {
         HMI_ERROR("wm:pm", "Error!!");
         return -1;
     }
 
+    HMI_DEBUG("wm:pm", "parking brake state     (is_changed:%d state:%d:%s)",
+              crr_state.parking_brake.is_changed,
+              crr_state.parking_brake.state,
+              stm::gStmParkingBrakeStateNo2Name[crr_state.parking_brake.state]);
+    HMI_DEBUG("wm:pm", "accelerator pedal state (is_changed:%d state:%d:%s)",
+              crr_state.accel_pedal.is_changed,
+              crr_state.accel_pedal.state,
+              stm::gStmAccelPedalStateNo2Name[crr_state.accel_pedal.state]);
+    HMI_DEBUG("wm:pm", "lightstatus brake state (is_changed:%d state:%d:%s)",
+              crr_state.lightstatus_brake.is_changed,
+              crr_state.lightstatus_brake.state,
+              stm::gStmLightstatusBrakeStateNo2Name[crr_state.lightstatus_brake.state]);
+    HMI_DEBUG("wm:pm", "car state               (is_changed:%d state:%d:%s)",
+              crr_state.car.is_changed,
+              crr_state.car.state,
+              stm::gStmCarStateNo2Name[crr_state.car.state]);
+    HMI_DEBUG("wm:pm", "lamp state              (is_changed:%d state:%d:%s)",
+              crr_state.lamp.is_changed,
+              crr_state.lamp.state,
+              stm::gStmLampStateNo2Name[crr_state.lamp.state]);
+    HMI_DEBUG("wm:pm", "restriction mode state  (is_changed:%d state:%d:%s)",
+              crr_state.restriction_mode.is_changed,
+              crr_state.restriction_mode.state,
+              stm::gStmRestrictionModeStateNo2Name[crr_state.restriction_mode.state]);
+    HMI_DEBUG("wm:pm", "homescreen state        (is_changed:%d state:%d:%s)",
+              crr_state.layer.homescreen.is_changed,
+              crr_state.layer.homescreen.state,
+              stm::gStmLayoutNo2Name[crr_state.layer.homescreen.state]);
+    HMI_DEBUG("wm:pm", "apps state              (is_changed:%d state:%d:%s)",
+              crr_state.layer.apps.is_changed,
+              crr_state.layer.apps.state,
+              stm::gStmLayoutNo2Name[crr_state.layer.apps.state]);
+    HMI_DEBUG("wm:pm", "restriction state       (is_changed:%d state:%d:%s)",
+              crr_state.layer.restriction.is_changed,
+              crr_state.layer.restriction.state,
+              stm::gStmLayoutNo2Name[crr_state.layer.restriction.state]);
+    HMI_DEBUG("wm:pm", "on_screen state         (is_changed:%d state:%d:%s)",
+              crr_state.layer.on_screen.is_changed,
+              crr_state.layer.on_screen.state,
+              stm::gStmLayoutNo2Name[crr_state.layer.on_screen.state]);
+
+    json_object* json_out = json_object_new_object();
+
     // Create result
     // {
     //     "parking_brake": {
     //         "is_changed": <bool>,
     //         "state": <const char*>
     //     },
-    HMI_DEBUG("wm", "parking brake state (is_changed:%d state:%d:%s)",
-              crr_state.parking_brake.is_changed,
-              crr_state.parking_brake.state,
-              stm::gStmParkingBrakeStateNo2Name[crr_state.parking_brake.state]);
-    this->addStateToJson("parking_brake",
-                         crr_state.parking_brake.is_changed,
-                         stm::gStmParkingBrakeStateNo2Name[crr_state.parking_brake.state],
-                         json_out);
+    addStateToJson("parking_brake",
+                   crr_state.parking_brake.is_changed,
+                   stm::gStmParkingBrakeStateNo2Name[crr_state.parking_brake.state],
+                   &json_out);
 
     //     "accel_pedal": {
     //         "is_changed": <bool>,
     //         "state": <const char*>
     //     },
-    HMI_DEBUG("wm", "accelerator pedal state (is_changed:%d state:%d:%s)",
-              crr_state.accel_pedal.is_changed,
-              crr_state.accel_pedal.state,
-              stm::gStmAccelPedalStateNo2Name[crr_state.accel_pedal.state]);
-    this->addStateToJson("accel_pedal",
-                         crr_state.accel_pedal.is_changed,
-                         stm::gStmAccelPedalStateNo2Name[crr_state.accel_pedal.state],
-                         json_out);
+    addStateToJson("accel_pedal",
+                   crr_state.accel_pedal.is_changed,
+                   stm::gStmAccelPedalStateNo2Name[crr_state.accel_pedal.state],
+                   &json_out);
+
+    //     "lightstatus_brake": {
+    //         "is_changed": <bool>,
+    //         "state": <const char*>
+    //     },
+    addStateToJson("lightstatus_brake",
+                   crr_state.lightstatus_brake.is_changed,
+                   stm::gStmLightstatusBrakeStateNo2Name[crr_state.lightstatus_brake.state],
+                   &json_out);
 
     //     "car": {
     //         "is_changed": <bool>,
     //         "state": <const char*>
     //     },
-    HMI_DEBUG("wm", "car state (is_changed:%d state:%d:%s)",
-              crr_state.car.is_changed,
-              crr_state.car.state,
-              stm::gStmCarStateNo2Name[crr_state.car.state]);
-    this->addStateToJson("car",
-                         crr_state.car.is_changed,
-                         stm::gStmCarStateNo2Name[crr_state.car.state],
-                         json_out);
+    addStateToJson("car",
+                   crr_state.car.is_changed,
+                   stm::gStmCarStateNo2Name[crr_state.car.state],
+                   &json_out);
 
     //     "lamp": {
     //         "is_changed": <bool>,
     //         "state": <const char*>
     //     },
-    HMI_DEBUG("wm", "lamp state (is_changed:%d state:%d:%s)",
-              crr_state.lamp.is_changed,
-              crr_state.lamp.state,
-              stm::gStmLampStateNo2Name[crr_state.lamp.state]);
-    this->addStateToJson("lamp",
-                         crr_state.lamp.is_changed,
-                         stm::gStmLampStateNo2Name[crr_state.lamp.state],
-                         json_out);
+    addStateToJson("lamp",
+                   crr_state.lamp.is_changed,
+                   stm::gStmLampStateNo2Name[crr_state.lamp.state],
+                   &json_out);
+
+    //     "restriction_mode": {
+    //         "is_changed": <bool>,
+    //         "state": <const char*>
+    //     },
+    addStateToJson("restriction_mode",
+                   crr_state.restriction_mode.is_changed,
+                   stm::gStmRestrictionModeStateNo2Name[crr_state.restriction_mode.state],
+                   &json_out);
 
     //     "layers": [
     json_object* json_layer = json_object_new_array();
@@ -196,15 +261,11 @@ int PolicyManager::checkPolicy(json_object* json_in, json_object** json_out) {
     //         },
     //     ]
     // }
-    HMI_DEBUG("wm", "homescreen state (is_changed:%d state:%d:%s)",
-              crr_state.layer.homescreen.is_changed,
-              crr_state.layer.homescreen.state,
-              stm::gStmLayoutNo2Name[crr_state.layer.homescreen.state]);
     json_tmp = json_object_new_object();
-    this->addStateToJson("homescreen",
-                         crr_state.layer.homescreen.is_changed,
-                         stm::gStmLayoutNo2Name[crr_state.layer.homescreen.state],
-                         &json_tmp);
+    addStateToJson("homescreen",
+                   crr_state.layer.homescreen.is_changed,
+                   stm::gStmLayoutNo2Name[crr_state.layer.homescreen.state],
+                   &json_tmp);
     json_object_array_add(json_layer, json_tmp);
 
     //         {
@@ -213,15 +274,11 @@ int PolicyManager::checkPolicy(json_object* json_in, json_object** json_out) {
     //                 "state": <const char*>
     //             }
     //         },
-    HMI_DEBUG("wm", "apps state (is_changed:%d state:%d:%s)",
-              crr_state.layer.apps.is_changed,
-              crr_state.layer.apps.state,
-              stm::gStmLayoutNo2Name[crr_state.layer.apps.state]);
     json_tmp = json_object_new_object();
-    this->addStateToJson("apps",
-                         crr_state.layer.apps.is_changed,
-                         stm::gStmLayoutNo2Name[crr_state.layer.apps.state],
-                         &json_tmp);
+    addStateToJson("apps",
+                   crr_state.layer.apps.is_changed,
+                   stm::gStmLayoutNo2Name[crr_state.layer.apps.state],
+                   &json_tmp);
     json_object_array_add(json_layer, json_tmp);
 
     //         {
@@ -230,15 +287,11 @@ int PolicyManager::checkPolicy(json_object* json_in, json_object** json_out) {
     //                 "state": <const char*>
     //             }
     //         },
-    HMI_DEBUG("wm", "restriction state (is_changed:%d state:%d:%s)",
-              crr_state.layer.restriction.is_changed,
-              crr_state.layer.restriction.state,
-              stm::gStmLayoutNo2Name[crr_state.layer.restriction.state]);
     json_tmp = json_object_new_object();
-    this->addStateToJson("restriction",
-                         crr_state.layer.restriction.is_changed,
-                         stm::gStmLayoutNo2Name[crr_state.layer.restriction.state],
-                         &json_tmp);
+    addStateToJson("restriction",
+                   crr_state.layer.restriction.is_changed,
+                   stm::gStmLayoutNo2Name[crr_state.layer.restriction.state],
+                   &json_tmp);
     json_object_array_add(json_layer, json_tmp);
 
     //         {
@@ -247,19 +300,158 @@ int PolicyManager::checkPolicy(json_object* json_in, json_object** json_out) {
     //                 "state": <const char*>
     //             }
     //         },
-    HMI_DEBUG("wm", "on_screen state (is_changed:%d state:%d:%s)",
-              crr_state.layer.on_screen.is_changed,
-              crr_state.layer.on_screen.state,
-              stm::gStmLayoutNo2Name[crr_state.layer.on_screen.state]);
     json_tmp = json_object_new_object();
-    this->addStateToJson("on_screen",
-                         crr_state.layer.on_screen.is_changed,
-                         stm::gStmLayoutNo2Name[crr_state.layer.on_screen.state],
-                         &json_tmp);
+    addStateToJson("on_screen",
+                   crr_state.layer.on_screen.is_changed,
+                   stm::gStmLayoutNo2Name[crr_state.layer.on_screen.state],
+                   &json_tmp);
     json_object_array_add(json_layer, json_tmp);
 
     // Add json array of layer
-    json_object_object_add(*json_out, "layers", json_layer);
+    json_object_object_add(json_out, "layers", json_layer);
+
+    // Notify state is changed
+    if (nullptr != pm::callback.onStateTransitioned) {
+        pm::callback.onStateTransitioned(json_out);
+    }
+
+    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);
+        }
+        else if (stm::gStmCarStateNoStop == crr_state.car.state) {
+            // Set event(restriction mode off)
+            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)
+              != pm::event_source_list.end()) {
+                HMI_DEBUG("wm:pm", "Stop timer for restriction on");
+                sd_event_source *event_source
+                    = pm::event_source_list[STM_EVT_NO_RESTRICTION_MODE_ON];
+                int ret = sd_event_source_set_enabled(event_source, SD_EVENT_OFF);
+                if (0 > ret) {
+                    HMI_ERROR("wm:pm", "Failed to stop timer");
+                }
+            }
+        }
+    }
+
+    // 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 (pm::event_source_list.find(event) != pm::event_source_list.end()) {
+        pm::event_source_list.erase(event);
+    }
+
+    HMI_DEBUG("wm:pm", ">>>>>>>>>> FINISH CHECK POLICY");
+    return 0;
+}
+
+static int timerEvent(sd_event_source *source, uint64_t usec, void *data) {
+    checkPolicy(source, data);
+};
+
+static int checkPolicyEntry(int event, uint64_t delay_ms)
+{
+    HMI_DEBUG("wm:pm", "Call");
+    HMI_DEBUG("wm:pm", "event:0x%x", event);
+
+    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);
+            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(pm::event_loop, &event_source, CLOCK_MONOTONIC, usec, 1,
+                                    &timerEvent, new int(event));
+        if (0 > ret) {
+            HMI_ERROR("wm:pm", "Faild to sd_event_add_time: errno:%d", ret);
+            return -1;
+        }
+
+        // Store event source
+        pm::event_source_list[event] = event_source;
+    }
+
+    return 0;
+}
+
+void PolicyManager::registerCallback(CallbackTable callback) {
+    pm::callback.onStateTransitioned = callback.onStateTransitioned;
+    pm::callback.onError             = callback.onError;
+}
+
+int PolicyManager::inputEvent(json_object* json_in) {
+    HMI_DEBUG("wm:pm", "Call");
+
+    // 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 = 0;
+    if (nullptr != event) {
+        // Convert name to number
+        event_no = this->eventname2no_[event];
+        HMI_DEBUG("wm:pm", "event(%s:%d)", event, event_no);
+    }
+
+    // Get role from json_object
+    const char* role = this->getStringFromJson(json_in, "role");
+    int category_no = 0;
+    if (nullptr != role) {
+        HMI_DEBUG("wm:pm", "role(%s)", role);
+
+        // Convert role to category
+        const char* category = this->role2category_[role].c_str();
+        if (0 == strcmp("", category)) {
+            HMI_ERROR("wm:pm", "Error!!");
+            return -1;
+        }
+        HMI_DEBUG("wm:pm", "category(%s)", category);
+
+        // Convert name to number
+        category_no = categoryname2no_[category];
+        HMI_DEBUG("wm:pm", "role(%s), category(%s:%d)", role, category, category_no);
+    }
+
+    // Get areat from json_object
+    const char* area = this->getStringFromJson(json_in, "area");
+    int area_no = 0;
+    if (nullptr != area) {
+        // Convert name to number
+        area_no = areaname2no_[area];
+        HMI_DEBUG("wm:pm", "area(%s:%d)", area, area_no);
+    }
+
+    // Check policy
+    checkPolicyEntry((event_no | category_no | area_no), 0);
 
     return 0;
 }
@@ -434,22 +626,6 @@ int PolicyManager::inputJsonFilie(const char* file, json_object** obj) {
     return ret;
 }
 
-void PolicyManager::addStateToJson(
-  const char* key, int is_changed, const char* state, json_object** json_out) {
-    if ((nullptr == key) || (nullptr == state) || (nullptr == json_out)) {
-        HMI_ERROR("wm:pm", "Argument is nullptr!!!");
-        return;
-    }
-
-    json_object* json_obj = json_object_new_object();
-    json_object_object_add(json_obj, "is_changed", json_object_new_boolean(is_changed));
-    if (is_changed) {
-        HMI_DEBUG("wm:pm", "%s: state changed (%s)", key, state);
-        json_object_object_add(json_obj, "state", json_object_new_string(state));
-    }
-    json_object_object_add(*json_out, key, json_obj);
-}
-
 std::vector<std::string> PolicyManager::parseString(std::string str, char delimiter) {
     // Parse string by delimiter
     std::vector<std::string> vct;