#include <fstream>
#include <sstream>
#include <istream>
+#include <thread>
+#include <systemd/sd-event.h>
#include <json-c/json.h>
#include "policy_manager.hpp"
-#if 0
+#include "hmi-debug.h"
+
+namespace stm {
extern "C" {
#include "dummy_stm.h"
}
-#endif
-#include "hmi-debug.h"
+} // namespace stm
+namespace pm {
+struct EventData {
+ explicit EventData(int event, PolicyManager::Handler handler) {
+ this->event = event;
+ this->handler = handler;
+ };
+ ~EventData() = default;
+
+ int event;
+ PolicyManager::Handler handler;
+};
+} // namespace pm
+
PolicyManager::PolicyManager() :
eventname2no_(),
categoryname2no_(),
areaname2no_(),
role2category_(),
category2role_(),
- role2defaultarea_(),
- current_state_()
+ role2defaultarea_()
{
HMI_DEBUG("wm:pm", "Call");
}
}
// Load role.db
- ret = loadRoleDb();
+ ret = this->loadRoleDb();
if (0 > ret) {
HMI_ERROR("wm:pm", "Load role.db Error!!");
return ret;
}
- // TODO:
// Initialize StateTransitioner
- // stmInitialize();
+ 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(&(this->sd_event_));
+ 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 = 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 = 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(this->sd_event_, 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 = 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);
+}
+
+static int checkPolicy(sd_event_source *source, uint64_t usec, void *data) {
+ HMI_DEBUG("wm:pm", "Call");
+
+ pm::EventData *event_data = (pm::EventData*)data;
// Transition state
- HMI_DEBUG("wm:pm", "set event:0x%x", (event_no | category_no | area_no));
- int ret = stmTransitionState((event_no | category_no | area_no),
- &(this->current_state_));
+ stm::stm_state_t crr_state;
+ int ret = stm::stmTransitionState(event_data->event, &crr_state);
if (0 > ret) {
HMI_ERROR("wm:pm", "Error!!");
return -1;
}
+ json_object* json_out = json_object_new_object();
+
// Create result
// {
// "parking_brake": {
// "state": <const char*>
// },
HMI_DEBUG("wm", "parking brake state (is_changed:%d state:%d:%s)",
- this->current_state_.parking_brake.is_changed,
- this->current_state_.parking_brake.state,
- stm::gStmCarStateNo2Name[this->current_state_.parking_brake.state]);
- this->addStateToJson("parking_brake",
- this->current_state_.parking_brake.is_changed,
- stm::gStmParkingBrakeStateNo2Name[this->current_state_.parking_brake.state],
- json_out);
+ crr_state.parking_brake.is_changed,
+ crr_state.parking_brake.state,
+ stm::gStmParkingBrakeStateNo2Name[crr_state.parking_brake.state]);
+ 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]);
+ 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*>
+ // },
+ HMI_DEBUG("wm", "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]);
+ 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)",
- this->current_state_.car.is_changed,
- this->current_state_.car.state,
- stm::gStmCarStateNo2Name[this->current_state_.car.state]);
- this->addStateToJson("car",
- this->current_state_.car.is_changed,
- stm::gStmCarStateNo2Name[this->current_state_.car.state],
- json_out);
+ crr_state.car.is_changed,
+ crr_state.car.state,
+ stm::gStmCarStateNo2Name[crr_state.car.state]);
+ 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)",
- this->current_state_.lamp.is_changed,
- this->current_state_.lamp.state,
- stm::gStmLampStateNo2Name[this->current_state_.lamp.state]);
- this->addStateToJson("lamp",
- this->current_state_.lamp.is_changed,
- stm::gStmLampStateNo2Name[this->current_state_.lamp.state],
- json_out);
+ crr_state.lamp.is_changed,
+ crr_state.lamp.state,
+ stm::gStmLampStateNo2Name[crr_state.lamp.state]);
+ addStateToJson("lamp",
+ crr_state.lamp.is_changed,
+ stm::gStmLampStateNo2Name[crr_state.lamp.state],
+ &json_out);
// "layers": [
+ json_object* json_layer = json_object_new_array();
+ json_object* json_tmp;
+
// {
- // "on_screen": {
+ // "homescreen": {
// "is_changed": <bool>,
// "state": <const char*>
// }
// },
- json_object* json_layer = json_object_new_array();
- json_object* json_tmp = json_object_new_object();
- this->addStateToJson("on_screen",
- this->current_state_.layer.on_screen.is_changed,
- stm::gStmLayoutNo2Name[this->current_state_.layer.on_screen.state],
+ // ]
+ // }
+ 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();
+ 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);
// "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",
- this->current_state_.layer.apps.is_changed,
- stm::gStmLayoutNo2Name[this->current_state_.layer.apps.state],
+ 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);
// {
- // "homescreen": {
+ // "restriction": {
// "is_changed": <bool>,
// "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();
+ 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);
+
+ // {
+ // "on_screen": {
+ // "is_changed": <bool>,
+ // "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("homescreen",
- this->current_state_.layer.homescreen.is_changed,
- stm::gStmLayoutNo2Name[this->current_state_.layer.homescreen.state],
+ 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);
- HMI_DEBUG("wm:pm", "json_out.dump:%s", json_object_get_string(*json_out));
+ // Call event handler
+ event_data->handler(json_out);
+
+ // Release json_object
+ json_object_put(json_out);
+
+ // Release data
+ delete (pm::EventData*)data;
+
+ // Destroy sd_event_soutce object
+ sd_event_source_unref(source);
+
+ return 0;
+}
+
+void PolicyManager::checkPolicyEntry(int event, int delay_ms, PolicyManager::Handler handler)
+{
+ HMI_DEBUG("wm:pm", "Call");
+
+ // Create event data
+ pm::EventData *event_data = new pm::EventData(event, handler);
+
+ // 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
+ int ret = sd_event_add_time(this->sd_event_, NULL, CLOCK_MONOTONIC, usec, 1,
+ &checkPolicy, event_data);
+ if (0 > ret) {
+ HMI_ERROR("wm:pm", "Faild to sd_event_add_time: errno:%d", ret);
+ return;
+ }
+}
+
+int PolicyManager::inputEvent(json_object* json_in, PolicyManager::Handler notify_state) {
+ 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);
+ }
+
+ HMI_DEBUG("wm:pm", "set event:0x%x", (event_no | category_no | area_no));
+
+ // Check policy
+ this->checkPolicyEntry((event_no | category_no | area_no), 0, notify_state);
return 0;
}
}
// Load role.db
- HMI_DEBUG("wm:pm", "file_name:%s", file_name.c_str());
- json_object* json_obj = json_object_from_file(file_name.c_str());
- if (nullptr == json_obj) {
+ json_object* json_obj;
+ int ret = this->inputJsonFilie(file_name.c_str(), &json_obj);
+ if (0 > ret) {
HMI_ERROR("wm:pm", "Could not open role.db, so use default role information");
json_obj = json_tokener_parse(kDefaultRoleDb);
}
return 0;
}
+// TODO:
+// This function will be removed because json_helper has same function.
+// json_helper should be library.
const char* PolicyManager::getStringFromJson(json_object* obj, const char* key) {
if ((nullptr == obj) || (nullptr == key)) {
HMI_ERROR("wm:pm", "Argument is nullptr!!!");
return json_object_get_string(tmp);
}
-int PolicyManager::getIntFromJson(json_object* obj, const char* key) {
- if ((nullptr == obj) || (nullptr == key)) {
- HMI_ERROR("wm:pm", "Argument is nullptr!!!");
- return 0;
- }
+// TODO:
+// This function will be removed because json_helper has same function.
+// json_helper should be library.
+int PolicyManager::inputJsonFilie(const char* file, json_object** obj) {
+ const int input_size = 128;
+ int ret = -1;
- json_object* tmp;
- if (!json_object_object_get_ex(obj, key, &tmp)) {
- HMI_DEBUG("wm:pm", "Not found key \"%s\"", key);
- return 0;
+ if ((nullptr == file) || (nullptr == obj)) {
+ HMI_ERROR("wm:jh", "Argument is nullptr!!!");
+ return ret;
}
- return json_object_get_int(tmp);
-}
+ HMI_DEBUG("wm:jh", "Input file: %s", file);
-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;
+ // Open json file
+ FILE *fp = fopen(file, "rb");
+ if (nullptr == fp) {
+ HMI_ERROR("wm:jh", "Could not open file");
+ return ret;
}
- 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));
+ // 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:jh", "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:jh", "Failed to parse file (byte:%d err:%s)",
+ (input_size * block_cnt), json_tokener_error_desc(json_error));
+ HMI_ERROR("wm:jh", "\n%s", buffer);
+ *obj = nullptr;
+ break;
+ }
+ block_cnt++;
}
- json_object_object_add(*json_out, key, json_obj);
+
+ // Close json file
+ fclose(fp);
+
+ // Free json_tokener
+ json_tokener_free(tokener);
+
+ return ret;
}
std::vector<std::string> PolicyManager::parseString(std::string str, char delimiter) {