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authorYuta Doi <yuta-d@witz-inc.co.jp>2018-05-29 17:10:03 +0900
committerYuta Doi <yuta-d@witz-inc.co.jp>2018-06-01 16:40:56 +0900
commit8614ffb86ddb853100d310721ce0b7fd26413438 (patch)
treebad9823e1a57b6f2825418f0ca2355fa683972db /src/policy_manager
parent5f05e17be59881ea450f2cc3a76a2dd0e408974f (diff)
PolicyManager uses sd_event loop for the process of check policy
Change-Id: I1e7f7c2085ec30e09a53a67c0ad9c51b2bf53578 Signed-off-by: Yuta Doi <yuta-d@witz-inc.co.jp>
Diffstat (limited to 'src/policy_manager')
-rw-r--r--src/policy_manager/policy_manager.cpp233
-rw-r--r--src/policy_manager/policy_manager.hpp14
2 files changed, 174 insertions, 73 deletions
diff --git a/src/policy_manager/policy_manager.cpp b/src/policy_manager/policy_manager.cpp
index 648c681..351c7ce 100644
--- a/src/policy_manager/policy_manager.cpp
+++ b/src/policy_manager/policy_manager.cpp
@@ -18,6 +18,8 @@
#include <fstream>
#include <sstream>
#include <istream>
+#include <thread>
+#include <systemd/sd-event.h>
#include <json-c/json.h>
#include "policy_manager.hpp"
#include "hmi-debug.h"
@@ -29,6 +31,19 @@ extern "C" {
} // 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_(),
@@ -62,7 +77,7 @@ int PolicyManager::initialize() {
}
// Load role.db
- ret = loadRoleDb();
+ ret = this->loadRoleDb();
if (0 > ret) {
HMI_ERROR("wm:pm", "Load role.db Error!!");
return ret;
@@ -71,65 +86,66 @@ 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(&(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 = 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(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 = 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 checkPolicy(sd_event_source *source, uint64_t usec, void *data) {
+ HMI_DEBUG("wm:pm", "Call");
+
+ pm::EventData *event_data = (pm::EventData*)data;
// 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_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": {
@@ -140,10 +156,10 @@ int PolicyManager::checkPolicy(json_object* json_in, json_object** json_out) {
crr_state.parking_brake.is_changed,
crr_state.parking_brake.state,
stm::gStmParkingBrakeStateNo2Name[crr_state.parking_brake.state]);
- this->addStateToJson("parking_brake",
+ addStateToJson("parking_brake",
crr_state.parking_brake.is_changed,
stm::gStmParkingBrakeStateNo2Name[crr_state.parking_brake.state],
- json_out);
+ &json_out);
// "accel_pedal": {
// "is_changed": <bool>,
@@ -153,10 +169,10 @@ int PolicyManager::checkPolicy(json_object* json_in, json_object** json_out) {
crr_state.accel_pedal.is_changed,
crr_state.accel_pedal.state,
stm::gStmAccelPedalStateNo2Name[crr_state.accel_pedal.state]);
- this->addStateToJson("accel_pedal",
+ addStateToJson("accel_pedal",
crr_state.accel_pedal.is_changed,
stm::gStmAccelPedalStateNo2Name[crr_state.accel_pedal.state],
- json_out);
+ &json_out);
// "lightstatus_brake": {
// "is_changed": <bool>,
@@ -166,10 +182,10 @@ int PolicyManager::checkPolicy(json_object* json_in, json_object** json_out) {
crr_state.lightstatus_brake.is_changed,
crr_state.lightstatus_brake.state,
stm::gStmLightstatusBrakeStateNo2Name[crr_state.lightstatus_brake.state]);
- this->addStateToJson("lightstatus_brake",
+ addStateToJson("lightstatus_brake",
crr_state.lightstatus_brake.is_changed,
stm::gStmLightstatusBrakeStateNo2Name[crr_state.lightstatus_brake.state],
- json_out);
+ &json_out);
// "car": {
// "is_changed": <bool>,
@@ -179,10 +195,10 @@ int PolicyManager::checkPolicy(json_object* json_in, json_object** json_out) {
crr_state.car.is_changed,
crr_state.car.state,
stm::gStmCarStateNo2Name[crr_state.car.state]);
- this->addStateToJson("car",
+ addStateToJson("car",
crr_state.car.is_changed,
stm::gStmCarStateNo2Name[crr_state.car.state],
- json_out);
+ &json_out);
// "lamp": {
// "is_changed": <bool>,
@@ -192,10 +208,10 @@ int PolicyManager::checkPolicy(json_object* json_in, json_object** json_out) {
crr_state.lamp.is_changed,
crr_state.lamp.state,
stm::gStmLampStateNo2Name[crr_state.lamp.state]);
- this->addStateToJson("lamp",
+ addStateToJson("lamp",
crr_state.lamp.is_changed,
stm::gStmLampStateNo2Name[crr_state.lamp.state],
- json_out);
+ &json_out);
// "layers": [
json_object* json_layer = json_object_new_array();
@@ -214,7 +230,7 @@ int PolicyManager::checkPolicy(json_object* json_in, json_object** json_out) {
crr_state.layer.homescreen.state,
stm::gStmLayoutNo2Name[crr_state.layer.homescreen.state]);
json_tmp = json_object_new_object();
- this->addStateToJson("homescreen",
+ addStateToJson("homescreen",
crr_state.layer.homescreen.is_changed,
stm::gStmLayoutNo2Name[crr_state.layer.homescreen.state],
&json_tmp);
@@ -231,7 +247,7 @@ int PolicyManager::checkPolicy(json_object* json_in, json_object** json_out) {
crr_state.layer.apps.state,
stm::gStmLayoutNo2Name[crr_state.layer.apps.state]);
json_tmp = json_object_new_object();
- this->addStateToJson("apps",
+ addStateToJson("apps",
crr_state.layer.apps.is_changed,
stm::gStmLayoutNo2Name[crr_state.layer.apps.state],
&json_tmp);
@@ -248,7 +264,7 @@ int PolicyManager::checkPolicy(json_object* json_in, json_object** json_out) {
crr_state.layer.restriction.state,
stm::gStmLayoutNo2Name[crr_state.layer.restriction.state]);
json_tmp = json_object_new_object();
- this->addStateToJson("restriction",
+ addStateToJson("restriction",
crr_state.layer.restriction.is_changed,
stm::gStmLayoutNo2Name[crr_state.layer.restriction.state],
&json_tmp);
@@ -265,14 +281,105 @@ int PolicyManager::checkPolicy(json_object* json_in, json_object** json_out) {
crr_state.layer.on_screen.state,
stm::gStmLayoutNo2Name[crr_state.layer.on_screen.state]);
json_tmp = json_object_new_object();
- this->addStateToJson("on_screen",
+ 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);
+
+ // 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;
}
@@ -447,22 +554,6 @@ 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;
diff --git a/src/policy_manager/policy_manager.hpp b/src/policy_manager/policy_manager.hpp
index 787a3ec..57856dc 100644
--- a/src/policy_manager/policy_manager.hpp
+++ b/src/policy_manager/policy_manager.hpp
@@ -23,6 +23,7 @@
struct json_object;
+struct sd_event;
class PolicyManager {
@@ -30,9 +31,13 @@ public:
explicit PolicyManager();
~PolicyManager() = default;
+ using Handler = std::function<void(json_object *)>;
+
int initialize();
- int checkPolicy(json_object* json_in, json_object** json_out);
+ void setEventHandler(PolicyManager::Handler handler);
+ int inputEvent(json_object* json_in, PolicyManager::Handler notify_state);
std::string roleToCategory(const char* role);
+
private:
// Disable copy and move
PolicyManager(PolicyManager const &) = delete;
@@ -49,14 +54,19 @@ private:
std::unordered_map<std::string, std::string> category2role_;
std::unordered_map<std::string, std::string> role2defaultarea_;
+ struct sd_event* sd_event_;
+
+ int initializeSdEventLoop();
+ void checkPolicyEntry(int event, int delay_ms, PolicyManager::Handler handler);
+
// Load role.db
int loadRoleDb();
const char* getStringFromJson(json_object* obj, const char* key);
int inputJsonFilie(const char* file, json_object** obj);
- void addStateToJson(const char* key, int is_changed, const char* state, json_object** json_out);
std::vector<std::string> parseString(std::string str, char delimiter);
std::string deleteSpace(std::string str);
+
};