add comments for new functions in connectivity module

Change-Id: Ifff706458393ebc74ed0113e05bb68bbb320cb29

1 files changed, 73 insertions, 10 deletions

diff --git a/inc/connectivity.h b/inc/connectivity.h
index 9adfcb6..f35ed6c 100644
--- a/inc/connectivity.h
+++ b/inc/connectivity.h
@@ -25,14 +25,23 @@
 typedef struct _connectivity_resource connectivity_resource_s;
 
 typedef enum {
-	CONNECTIVITY_PROTOCOL_DEFAULT = 0,
-	CONNECTIVITY_PROTOCOL_IOTIVITY,
-	CONNECTIVITY_PROTOCOL_HTTP,
+	CONNECTIVITY_PROTOCOL_DEFAULT = 0, /* default protocol */
+	CONNECTIVITY_PROTOCOL_IOTIVITY, /* IoTvity protocol */
+	CONNECTIVITY_PROTOCOL_HTTP, /* HTTP protocol */
 	CONNECTIVITY_PROTOCOL_MAX
-   } connectivity_protocol_e;
+} connectivity_protocol_e;
 
 /**
- * @brief Create connectivity resource and registers the resource in server.
+ * @brief Set connectivity protocol to communicate with other devices.
+ * @param[in] protocol_type protocol type to use
+ * @return 0 on success, otherwise a negative error value
+ * @see You should set protocol before call connectivity_set_resource(),
+ * otherwise IoTvitiy protocol will be set as default.
+ */
+extern int connectivity_set_protocol(connectivity_protocol_e protocol_type);
+
+/**
+ * @brief Create connectivity resource.
  * @param[in] path The path of the resource
  * @param[in] type The string data to insert into the resource types (e.g. "org.tizen.light")
  * @param[out] out_resource_info A structure containing information about connectivity resource
@@ -49,7 +58,7 @@ extern int connectivity_set_resource(const char *path, const char *type, connect
 extern void connectivity_unset_resource(connectivity_resource_s *resource);
 
 /**
- * @brief Notifies a resource's value to observed clients.
+ * @brief Notifies a resource's value to observed devices or clouds.
  * @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.
@@ -59,7 +68,7 @@ extern void connectivity_unset_resource(connectivity_resource_s *resource);
 extern int connectivity_notify_bool(connectivity_resource_s *resource_info, const char *key, bool value);
 
 /**
- * @brief Notifies a resource's value to observed clients.
+ * @brief Notifies a resource's value to observed devices or clouds.
  * @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.
@@ -69,7 +78,7 @@ extern int connectivity_notify_bool(connectivity_resource_s *resource_info, cons
 extern int connectivity_notify_int(connectivity_resource_s *resource_info, const char *key, int value);
 
 /**
- * @brief Notifies a resource's value to observed clients.
+ * @brief Notifies a resource's value to observed devices or clouds.
  * @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.
@@ -79,7 +88,7 @@ extern int connectivity_notify_int(connectivity_resource_s *resource_info, const
 extern int connectivity_notify_double(connectivity_resource_s *resource_info, const char *key, double value);
 
 /**
- * @brief Notifies a resource's value to observed clients.
+ * @brief Notifies a resource's value to observed devices or clouds.
  * @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.
@@ -89,13 +98,67 @@ extern int connectivity_notify_double(connectivity_resource_s *resource_info, co
 extern int connectivity_notify_string(connectivity_resource_s *resource_info, const char *key, const char *value);
 
 /* TODO : add comments for these functions */
-extern int connectivity_set_protocol(connectivity_protocol_e protocol_type);
+/**
+ * @brief Add a boolean type value to attributes for notifying to observed devices or clouds.
+ * @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 added.
+ * @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_attributes_add_bool(connectivity_resource_s *resource_info, const char *key, bool value);
+
+/**
+ * @brief Add a integer type value to attributes for notifying to observed devices or clouds.
+ * @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 added.
+ * @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_attributes_add_int(connectivity_resource_s *resource_info, const char *key, int value);
+
+/**
+ * @brief Add a double type value to attributes for notifying to observed devices or clouds.
+ * @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 added.
+ * @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_attributes_add_double(connectivity_resource_s *resource_info, const char *key, double value);
+
+/**
+ * @brief Add a string value to attributes for notifying to observed devices or clouds.
+ * @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 added.
+ * @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_attributes_add_string(connectivity_resource_s *resource_info, const char *key, const char *value);
+
+/**
+ * @brief Notifies values in the attributs to observed devices or clouds.
+ * @param[in] resource_info A structure containing information about connectivity resource
+ * @return 0 on success, otherwise a negative error value
+ */
 extern int connectivity_attributes_notify_all(connectivity_resource_s *resource_info);
+
+/**
+ * @brief Remove a value from attributes for notifying to observed devices or clouds.
+ * @param[in] resource_info A structure containing information about connectivity resource
+ * @param[in] key A key 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_attributes_remove_value_by_key(connectivity_resource_s *resource_info, const char *key);
+
+/**
+ * @brief Remove all values from attributes for notifying to observed devices or clouds.
+ * @param[in] resource_info A structure containing information about connectivity resource
+ * @return 0 on success, otherwise a negative error value
+ */
 extern int connectivity_attributes_remove_all(connectivity_resource_s *resource_info);
 
 #endif /* __POSITION_FINDER_CONNECTIVITY_H__ */