sensord: add sensor_manager to create and manage sensor_handlers
[platform/core/system/sensord.git] / src / server / sensor_manager.cpp
index 6944e86..7a0ccc9 100644 (file)
 #include <memory>
 #include <algorithm>
 
+#include "sensor_event_handler.h"
+#include "permission_checker.h"
+#include "sensor_loader.h"
+#include "physical_sensor_handler.h"
+#include "fusion_sensor_handler.h"
+#include "external_sensor_handler.h"
+#include "fusion_sensor_handler.h"
+
 using namespace sensor;
 
+#define DEVICE_HAL_DIR_PATH LIBDIR "/sensor/hal"
+#define PHYSICAL_SENSOR_DIR_PATH LIBDIR "/sensor/physical"
+#define VIRTUAL_SENSOR_DIR_PATH LIBDIR "/sensor/fusion"
+#define EXTERNAL_SENSOR_DIR_PATH LIBDIR "/sensor/external"
+
+static device_sensor_registry_t devices;
+static physical_sensor_registry_t physical_sensors;
+static fusion_sensor_registry_t fusion_sensors;
+static external_sensor_registry_t external_sensors;
+
 sensor_manager::sensor_manager(ipc::event_loop *loop)
 : m_loop(loop)
 {
@@ -39,11 +57,276 @@ sensor_manager::~sensor_manager()
 
 bool sensor_manager::init(void)
 {
+       m_loader.load_hal(DEVICE_HAL_DIR_PATH, devices);
+       m_loader.load_physical_sensor(PHYSICAL_SENSOR_DIR_PATH, physical_sensors);
+       m_loader.load_fusion_sensor(VIRTUAL_SENSOR_DIR_PATH, fusion_sensors);
+       m_loader.load_external_sensor(EXTERNAL_SENSOR_DIR_PATH, external_sensors);
+
+       retvm_if(devices.empty(), false, "There is no sensors");
+
+       /* TODO: support dynamic sensor */
+       create_physical_sensors(devices, physical_sensors);
+       create_fusion_sensors(fusion_sensors);
+       create_external_sensors(external_sensors);
+
+       init_sensors();
+
+       show();
+
        return true;
 }
 
 bool sensor_manager::deinit(void)
 {
+       for (auto it = m_sensors.begin(); it != m_sensors.end(); ++it)
+               delete it->second;
+       m_sensors.clear();
+
+       external_sensors.clear();
+       fusion_sensors.clear();
+       physical_sensors.clear();
+       devices.clear();
+
+       m_loader.unload();
+
+       return true;
+}
+
+bool sensor_manager::is_supported(std::string uri)
+{
+       for (auto it = m_sensors.begin(); it != m_sensors.end(); ++it) {
+               sensor_info info = it->second->get_sensor_info();
+
+               if (info.get_uri() == uri)
+                       return true;
+       }
+
+       return false;
+}
+
+bool sensor_manager::register_sensor(sensor_handler *sensor)
+{
+       retvm_if(!sensor, false, "Invalid sensor");
+
+       sensor_info info = sensor->get_sensor_info();
+
+       auto it = m_sensors.find(info.get_uri());
+       retvm_if(it != m_sensors.end(), false, "There is already a sensor with the same name");
+
+       m_sensors[info.get_uri()] = sensor;
+
+       _I("Registered[%s]", info.get_uri().c_str());
+
        return true;
 }
 
+void sensor_manager::deregister_sensor(const std::string uri)
+{
+       auto it = m_sensors.find(uri);
+       ret_if(it == m_sensors.end());
+
+       delete it->second;
+       m_sensors.erase(it);
+
+       _I("Deregistered[%s]", uri.c_str());
+}
+
+sensor_handler *sensor_manager::get_sensor_by_type(const std::string uri)
+{
+       auto it = m_sensors.begin();
+       for (; it != m_sensors.end(); ++it) {
+               std::size_t found = it->first.rfind(uri);
+               if (found != std::string::npos)
+                       return it->second;
+       }
+
+       return NULL;
+}
+
+sensor_handler *sensor_manager::get_sensor(const std::string uri)
+{
+       auto it = m_sensors.find(uri);
+       retv_if(it == m_sensors.end(), NULL);
+
+       return m_sensors[uri];
+}
+
+std::vector<sensor_handler *> sensor_manager::get_sensors(void)
+{
+       std::vector<sensor_handler *> sensors;
+
+       for (auto it = m_sensors.begin(); it != m_sensors.end(); ++it)
+               sensors.push_back(it->second);
+
+       return sensors;
+}
+
+void sensor_manager::create_physical_sensors(device_sensor_registry_t &devices,
+               physical_sensor_registry_t &psensors)
+{
+       const sensor_info_t *info;
+       physical_sensor_handler *psensor;
+
+       for (auto it = devices.begin(); it != devices.end(); ++it) {
+               int count = (*it)->get_sensors(&info);
+
+               for (int i = 0; i < count; ++i) {
+                       /* TODO: psensors */
+                       psensor = new(std::nothrow) physical_sensor_handler(
+                                       info[i], it->get(), info[i].id, NULL);
+                       retm_if(!psensor, "Failed to allocate memory");
+
+                       sensor_info sinfo = psensor->get_sensor_info();
+                       m_sensors[sinfo.get_uri()] = psensor;
+               }
+       }
+
+}
+
+void sensor_manager::create_fusion_sensors(fusion_sensor_registry_t &fsensors)
+{
+       const sensor_info2_t *info;
+       fusion_sensor_handler *fsensor;
+       std::vector<std::string> req_names;
+
+       for (auto it = fsensors.begin(); it != fsensors.end(); ++it) {
+               int count = (*it)->get_sensors(&info);
+
+               for (int i = 0; i < count; ++i) {
+                       bool support = true;
+                       req_names.clear();
+
+                       fsensor = new(std::nothrow) fusion_sensor_handler(info[i], it->get());
+                       retm_if(!fsensor, "Failed to allocate memory");
+
+                       (*it)->get_required_sensors(req_names);
+                       for (unsigned int j = 0; j < req_names.size(); ++j) {
+                               sensor_handler *sensor;
+                               sensor = get_sensor_by_type(req_names[j]);
+
+                               if (sensor == NULL) {
+                                       support = false;
+                                       break;
+                               }
+
+                               fsensor->add_required_sensor(sensor);
+                       }
+
+                       if (!support) {
+                               delete fsensor;
+                               /* TODO: remove plugin */
+                               continue;
+                       }
+
+                       sensor_info sinfo = fsensor->get_sensor_info();
+                       m_sensors[sinfo.get_uri()] = fsensor;
+               }
+       }
+}
+
+void sensor_manager::create_external_sensors(external_sensor_registry_t &esensors)
+{
+       const sensor_info2_t *info;
+       external_sensor_handler *esensor;
+
+       for (auto it = esensors.begin(); it != esensors.end(); ++it) {
+               int count = (*it)->get_sensors(&info);
+
+               for (int i = 0; i < count; ++i) {
+                       esensor = new(std::nothrow) external_sensor_handler(info[i], it->get());
+                       retm_if(!esensor, "Failed to allocate memory");
+
+                       sensor_info sinfo = esensor->get_sensor_info();
+                       m_sensors[sinfo.get_uri()] = esensor;
+               }
+       }
+}
+
+static void put_int_to_vec(std::vector<char> &data, int value)
+{
+       char buf[sizeof(value)];
+
+       int *temp = (int *)buf;
+       *temp = value;
+
+       std::copy(&buf[0], &buf[sizeof(buf)], back_inserter(data));
+}
+
+/* packet format :
+ * [count:4] {[size:4] [info:n] [size:4] [info:n] ...}
+ */
+size_t sensor_manager::serialize(int sock_fd, char **bytes)
+{
+       static permission_checker checker;
+
+       sensor_info info;
+       std::vector<char> raw_list;
+
+       put_int_to_vec(raw_list, m_sensors.size());
+
+       for (auto it = m_sensors.begin(); it != m_sensors.end(); ++it) {
+               info = it->second->get_sensor_info();
+
+               if (!checker.has_permission(sock_fd, info.get_permission()))
+                       info.set_uri(SENSOR_URI_PERMISSION_DENIED);
+
+               raw_data_t *raw = new(std::nothrow) raw_data_t();
+               retvm_if(!raw, -ENOMEM, "Failed to allocated memory");
+
+               info.serialize(*raw);
+
+               /* copy size */
+               put_int_to_vec(raw_list, raw->size());
+
+               /* copy info */
+               std::copy(raw->begin(), raw->end(), std::back_inserter(raw_list));
+
+               delete raw;
+       }
+
+       *bytes = new(std::nothrow) char[raw_list.size()];
+       retvm_if(!*bytes, -ENOMEM, "Failed to allocate memory");
+
+       std::copy(raw_list.begin(), raw_list.end(), *bytes);
+
+       return raw_list.size();
+}
+
+void sensor_manager::init_sensors(void)
+{
+       physical_sensor_handler *sensor;
+
+       for (auto it = m_sensors.begin(); it != m_sensors.end(); ++it) {
+               sensor = dynamic_cast<physical_sensor_handler *>(it->second);
+               if (sensor == NULL)
+                       continue;
+
+               /* it doesn't need to deregister handlers, they are consumed in event_loop */
+               register_handler(sensor);
+       }
+}
+
+void sensor_manager::register_handler(physical_sensor_handler *sensor)
+{
+       ret_if(sensor->get_poll_fd() < 0);
+
+       sensor_event_handler *handler = new(std::nothrow) sensor_event_handler(sensor);
+       retm_if(!handler, "Failed to allocate memory");
+
+       m_loop->add_event(sensor->get_poll_fd(),
+                       ipc::EVENT_IN | ipc::EVENT_HUP | ipc::EVENT_NVAL, handler);
+}
+
+void sensor_manager::show(void)
+{
+       int index = 0;
+
+       _I("========== Loaded sensor information ==========\n");
+       for (auto it = m_sensors.begin(); it != m_sensors.end(); ++it) {
+               sensor_info info = it->second->get_sensor_info();
+
+               _I("Sensor #%d[%s]: ", ++index, it->first.c_str());
+               info.show();
+       }
+       _I("===============================================\n");
+}