Challenge : Create server requried in Question#3challenge_test

Change-Id: I9c42933156e3fced4cc7b7c5bd252a08db047bd1

3 files changed, 93 insertions, 28 deletions

diff --git a/inc/connectivity.h b/inc/connectivity.h
index b88f83a..5165dda 100644
--- a/inc/connectivity.h
+++ b/inc/connectivity.h
@@ -50,33 +50,43 @@ extern int connectivity_set_resource(const char *path, const char *type, connect
 extern void connectivity_unset_resource(connectivity_resource_s *resource);
 
 /**
- * @brief Notifies specific clients that resource's attributes have changed with boolean value.
+ * @brief Notifies a resource's value to observed clients.
  * @param[in] resource_info A structure containing information about connectivity resource
- * @param[in] key A new key to be added into attributes
- * @param[in] value A boolean value to be added into attributes
+ * @param[in] key A key to be sended.
+ * @param[in] value A value to be sended.
  * @return 0 on success, otherwise a negative error value
  * @see If key is already exists, current value will be replaced with new value.
  */
 extern int connectivity_notify_bool(connectivity_resource_s *resource_info, const char *key, bool value);
 
 /**
- * @brief Notifies specific clients that resource's attributes have changed with int value.
+ * @brief Notifies a resource's value to observed clients.
  * @param[in] resource_info A structure containing information about connectivity resource
- * @param[in] key A new key to be added into attributes
- * @param[in] value A int value to be added into attributes
+ * @param[in] key A key to be sended.
+ * @param[in] value A value to be sended.
  * @return 0 on success, otherwise a negative error value
  * @see If key is already exists, current value will be replaced with new value.
  */
 extern int connectivity_notify_int(connectivity_resource_s *resource_info, const char *key, int value);
 
 /**
- * @brief Notifies specific clients that resource's attributes have changed with double value.
+ * @brief Notifies a resource's value to observed clients.
  * @param[in] resource_info A structure containing information about connectivity resource
- * @param[in] key A new key to be added into attributes
- * @param[in] value A double value to be added into attributes
+ * @param[in] key A key to be sended.
+ * @param[in] value A value to be sended.
  * @return 0 on success, otherwise a negative error value
  * @see If key is already exists, current value will be replaced with new value.
  */
 extern int connectivity_notify_double(connectivity_resource_s *resource_info, const char *key, double value);
 
+/**
+ * @brief Notifies a resource's value to observed clients.
+ * @param[in] resource_info A structure containing information about connectivity resource
+ * @param[in] key A key to be sended.
+ * @param[in] value A value to be sended.
+ * @return 0 on success, otherwise a negative error value
+ * @see If key is already exists, current value will be replaced with new value.
+ */
+extern int connectivity_notify_string(connectivity_resource_s *resource_info, const char *key, char *value);
+
 #endif /* __POSITION_FINDER_CONNECTIVITY_H__ */
diff --git a/src/connectivity.c b/src/connectivity.c
index 3154e2d..09b9c30 100644
--- a/src/connectivity.c
+++ b/src/connectivity.c
@@ -29,7 +29,7 @@
 #include "log.h"
 #include "connectivity.h"
 
-#define ULTRASONIC_RESOURCE_TYPE "org.tizen.door"
+#define DEVICE_NAME "Dr.Evil's device"
 #define BUFSIZE 1024
 #define URI_PATH_LEN 64
 #define URI_PATH "/door/1"
@@ -186,6 +186,45 @@ error:
 	return NULL;
 }
 
+static iotcon_representation_h _create_representation_with_str(connectivity_resource_s *resource_info, const char *key, char *value)
+{
+	iotcon_attributes_h attributes = NULL;
+	iotcon_representation_h representation = NULL;
+	char *uri_path = NULL;
+	int ret = -1;
+
+	ret = iotcon_resource_get_uri_path(resource_info->res, &uri_path);
+	retv_if(IOTCON_ERROR_NONE != ret, NULL);
+
+	ret = iotcon_representation_create(&representation);
+	retv_if(IOTCON_ERROR_NONE != ret, NULL);
+
+	ret = iotcon_attributes_create(&attributes);
+	goto_if(IOTCON_ERROR_NONE != ret, error);
+
+	ret = iotcon_representation_set_uri_path(representation, uri_path);
+	goto_if(IOTCON_ERROR_NONE != ret, error);
+
+	ret = iotcon_attributes_add_str(attributes, PATH, resource_info->path);
+	goto_if(IOTCON_ERROR_NONE != ret, error);
+
+	ret = iotcon_attributes_add_str(attributes, key, value);
+	goto_if(IOTCON_ERROR_NONE != ret, error);
+
+	ret = iotcon_representation_set_attributes(representation, attributes);
+	goto_if(IOTCON_ERROR_NONE != ret, error);
+
+	iotcon_attributes_destroy(attributes);
+
+	return representation;
+
+error:
+	if (attributes) iotcon_attributes_destroy(attributes);
+	if (representation) iotcon_representation_destroy(representation);
+
+	return NULL;
+}
+
 static void _print_iotcon_error(int err_no)
 {
 	switch (err_no) {
@@ -279,6 +318,31 @@ int connectivity_notify_double(connectivity_resource_s *resource_info, const cha
 	return 0;
 }
 
+int connectivity_notify_string(connectivity_resource_s *resource_info, const char *key, char *value)
+{
+	iotcon_representation_h representation;
+	int ret = -1;
+
+	retv_if(!resource_info, -1);
+	retv_if(!resource_info->observers, -1);
+
+	_D("Notify all members [%s]", value);
+
+	representation = _create_representation_with_str(resource_info, key, value);
+	retv_if(!representation, -1);
+
+	ret = iotcon_resource_notify(resource_info->res, representation, resource_info->observers, IOTCON_QOS_LOW);
+	if (IOTCON_ERROR_NONE != ret) {
+		//_I("There are some troubles for notifying value[%d]", ret);
+		_print_iotcon_error(ret);
+		return -1;
+	}
+
+	_destroy_representation(representation);
+
+	return 0;
+}
+
 static bool _query_cb(const char *key, const char *value, void *user_data)
 {
 	_D("Key : [%s], Value : [%s]", key, value);
@@ -430,7 +494,7 @@ int connectivity_init(void)
 	ret = iotcon_initialize(CBOR_FILE_IN_DATA);
 	retv_if(IOTCON_ERROR_NONE != ret, -1);
 
-	ret = iotcon_set_device_name(ULTRASONIC_RESOURCE_TYPE);
+	ret = iotcon_set_device_name(DEVICE_NAME);
 	goto_if(IOTCON_ERROR_NONE != ret, error);
 
 	return 0;
diff --git a/src/controller.c b/src/controller.c
index 7b39aa8..2189bf9 100644
--- a/src/controller.c
+++ b/src/controller.c
@@ -32,30 +32,21 @@
 #include "controller_util.h"
 #include "webutil.h"
 
-#define CONNECTIVITY_KEY "opened"
-#define SENSORING_TIME_INTERVAL 1.0f
-#define TRIG_PIN_NUMBER 20
-#define ECHO_PIN_NUMBER 21
+#define LOCATION_RESOURCE_TYPE "org.tizen.location"
+#define LOCATION_KEY "location"
+#define LOCATION_MESSAGE "Dr.Evil is located in NEWYORK"
+#define NOTIFY_TIME_INTERVAL 5.0f
 
 typedef struct app_data_s {
 	Ecore_Timer *getter_timer;
 	connectivity_resource_s *resource_info;
 } app_data;
 
-static void _ultrasonic_sensor_read_cb(float value, void *data)
-{
-	_I("Distance : %.2fcm", value);
-}
-
-static Eina_Bool _control_sensors_cb(void *data)
+static Eina_Bool _control_notify_cb(void *data)
 {
 	app_data *ad = data;
 
-	if (resource_read_ultrasonic_sensor(TRIG_PIN_NUMBER, ECHO_PIN_NUMBER, _ultrasonic_sensor_read_cb, NULL) == -1)
-		_E("Failed to get a distance from Ultrasonic sensor");
-
-
-	if (connectivity_notify_bool(ad->resource_info, CONNECTIVITY_KEY, true) == -1)
+	if (connectivity_notify_string(ad->resource_info, LOCATION_KEY, LOCATION_MESSAGE) == -1)
 		_E("Cannot notify message");
 
 	return ECORE_CALLBACK_RENEW;
@@ -77,14 +68,14 @@ static bool service_app_create(void *data)
 	 * Create a connectivity resource and registers the resource in server.
 	 */
 	controller_util_get_path(&path);
-	ret = connectivity_set_resource(path, "org.tizen.door", &ad->resource_info);
+	ret = connectivity_set_resource(path, LOCATION_RESOURCE_TYPE, &ad->resource_info);
 	if (ret == -1) _E("Cannot broadcast resource");
 
 	/**
 	 * Creates a timer to call the given function in the given period of time.
 	 * In the control_sensors_cb(), each sensor reads the measured value or writes a specific value to the sensor.
 	 */
-	ad->getter_timer = ecore_timer_add(SENSORING_TIME_INTERVAL, _control_sensors_cb, ad);
+	ad->getter_timer = ecore_timer_add(NOTIFY_TIME_INTERVAL, _control_notify_cb, ad);
 	if (!ad->getter_timer) {
 		_E("Failed to add infrared motion getter timer");
 		return false;