Diff: sn_nsdl_lib.h

Revision:

5:da1db64e7fb9

Parent:

0:58c4f13c4b9a

Child:

6:1caf76131c9a

--- a/sn_nsdl_lib.h	Wed Oct 09 09:20:29 2013 +0000
+++ b/sn_nsdl_lib.h	Mon Oct 14 11:00:30 2013 +0000
@@ -1,124 +1,109 @@
+/**
+ * \file sn_nsdl_lib.h
+ *
+ * \brief NanoService Devices Library header file
+ *
+ *  Created on: Aug 23, 2011
+ *      Author: tero
+ *
+ */
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #define SN_NSDL_CONST_MEMORY_ATTRIBUTE
 
-#define RESOURCE_DIR_LEN				2
-#define RESOURCE_DIR_PATH				{'r','d'}
-
-#define EP_NAME_PARAMETERS_LEN			2
-#define EP_NAME_PARAMETERS				{'h','='}
-
-#define RT_PARAMETER_LEN				3
-#define RT_PARAMETER					{'r','t','='}
-
-#define IF_PARAMETER_LEN				3
-#define IF_PARAMETER					{'i','f','='}
-
-#define CON_PARAMETER_LEN				4
-#define CON_PARAMETER					{'c','o','n','='}
-
-#define LT_PARAMETER_LEN				3
-#define LT_PARAMETER					{'l','t','='}
-
-#define OBS_PARAMETER_LEN				3
-#define OBS_PARAMETER					{'o','b','s'}
-
-#define COAP_CON_PARAMETER_LEN			3
-#define COAP_CON_PARAMETER				{'c','t','='}
-
-#define EVENT_PATH_LEN					6
-#define EVENT_PATH						{'e','v','e','n','t','/'}
-
-#define WELLKNOWN_PATH_LEN				16
-#define WELLKNOWN_PATH					(".well-known/core")
-
-#define SN_NSDL_EP_REGISTER_MESSAGE		1
-#define SN_NSDL_EP_UPDATE_MESSAGE		2
-
-#define	SN_NSDL_MSG_NO_TYPE				0
-#define	SN_NSDL_MSG_REGISTER			1
-#define SN_NSDL_MSG_UNREGISTER			2
-#define SN_NSDL_MSG_UPDATE				3
-#define SN_NSDL_MSG_EVENT				4
-
-#define	SN_NSDL_MAX_MESSAGE_COUNT		1
-
 #define SN_NSDL_ENDPOINT_NOT_REGISTERED  0
 #define SN_NSDL_ENDPOINT_IS_REGISTERED   1
 
+/**
+ * \brief Endpoint registration parameters
+ */
 typedef struct sn_nsdl_ep_parameters_
 {
-	uint8_t 	*endpoint_name_ptr;
+	uint8_t 	*endpoint_name_ptr;		/**< Endpoint name */
 	uint8_t  	endpoint_name_len;
 
-	uint8_t		*domain_name_ptr;
+	uint8_t		*domain_name_ptr;		/**< Domain to register. If null, NSP uses default domain */
 	uint8_t		domain_name_len;
 
-	uint8_t 	*type_ptr;
+	uint8_t 	*type_ptr;				/**< Endpoint type */
 	uint8_t 	type_len;
 
-	uint8_t 	*contex_ptr;
-	uint8_t 	contex_len;
-
-	uint8_t		*lifetime_ptr;
+	uint8_t		*lifetime_ptr;			/**< Endpoint lifetime in seconds. eg. "1200" = 1200 seconds */
 	uint8_t		lifetime_len;
 
 } sn_nsdl_ep_parameters_s;
 
+/**
+ * \brief For internal use
+ */
 typedef struct sn_nsdl_sent_messages_
 {
 	uint16_t	msg_id_number;
 	uint8_t		message_type;
-}sn_nsdl_sent_messages_s;
+} sn_nsdl_sent_messages_s;
 
+/**
+ * \brief Function pointers used for memory allocation and freeing
+ */
 typedef struct sn_nsdl_mem_
 {
 	void *(*sn_nsdl_alloc)(uint16_t);
 	void (*sn_nsdl_free)(void *);
-}sn_nsdl_mem_s;
+} sn_nsdl_mem_s;
 
+/**
+ * \brief Includes resource path
+ */
 typedef struct sn_grs_resource_
 {
 	uint8_t pathlen;
 	uint8_t *path;
-}sn_grs_resource_s;
+} sn_grs_resource_s;
 
+/**
+ * \brief Table of created resources
+ */
 typedef struct sn_grs_resource_list_
 {
-	uint8_t res_count;				/* Number of resources */
+	uint8_t res_count;					/**< Number of resources */
 	sn_grs_resource_s *res;
-}sn_grs_resource_list_s;
+} sn_grs_resource_list_s;
 
-typedef enum sn_nsdl_resource_mode_
-{
-	SN_GRS_STATIC,
-	SN_GRS_DYNAMIC,
-	SN_GRS_DIRECTORY
-}sn_nsdl_resource_mode_e;
-
-typedef enum sn_grs_resource_mutable_
-{
-	SN_GRS_GET		= 0x01,
-	SN_GRS_POST		= 0x02,
-	SN_GRS_PUT		= 0x04,
-	SN_GRS_DELETE	= 0x08
-}sn_grs_resource_mutable_e;
-
+/**
+ * \brief Resource access rights
+ */
 typedef enum sn_grs_resource_acl_
 {
 	SN_GRS_GET_ALLOWED 	= 0x01 ,
 	SN_GRS_PUT_ALLOWED 	= 0x02,
 	SN_GRS_POST_ALLOWED	= 0x04,
 	SN_GRS_DELETE_ALLOWED 	= 0x08
-}sn_grs_resource_acl_e;
+} sn_grs_resource_acl_e;
 
+/**
+ * \brief Used protocol
+ */
 typedef struct sn_proto_info_
 {
-	sn_nsdl_capab_e proto;
-}sn_proto_info_s;
+	sn_nsdl_capab_e proto;				/**< Only COAP is supported */
+} sn_proto_info_s;
 
+/**
+ * \brief Defines the resource mode
+ */
+typedef enum sn_nsdl_resource_mode_
+{
+	SN_GRS_STATIC,						/**< Static resources have some value that doesn't change */
+	SN_GRS_DYNAMIC,						/**< Dynamic resources are handled in application. Therefore one must give function callback pointer to them */
+	SN_GRS_DIRECTORY					/**< Directory resources are unused and unsupported */
+} sn_nsdl_resource_mode_e;
+
+/**
+ * \brief Resource registration parameters
+ */
 typedef struct sn_nsdl_resource_parameters_
 {
 	uint8_t		*resource_type_ptr;
@@ -137,17 +122,20 @@
 
 }sn_nsdl_resource_parameters_s;
 
+/**
+ * \brief Defines parameters for the resource.
+ */
 typedef struct sn_nsdl_resource_info_
 {
 	sn_nsdl_resource_parameters_s 	*resource_parameters_ptr;
 
-	sn_nsdl_resource_mode_e			mode;						// STATIC etc..
+	sn_nsdl_resource_mode_e			mode;						/**< STATIC etc.. */
 
-	uint16_t 						pathlen;					// Address
+	uint16_t 						pathlen;					/**< Address */
 	uint8_t 						*path;
 
-	uint16_t 						resourcelen;				// 0 if dynamic resource, resource information in static resource
-	uint8_t 						*resource;					// NULL if dynamic resource
+	uint16_t 						resourcelen;				/**< 0 if dynamic resource, resource information in static resource */
+	uint8_t 						*resource;					/**< NULL if dynamic resource */
 
 	sn_grs_resource_acl_e 			access;
 
@@ -160,7 +148,6 @@
  *							uint8_t (*sn_nsdl_rx_cb)(sn_coap_hdr_s *, sn_nsdl_addr_s *),
  *							sn_nsdl_mem_s *sn_memory)
  *
- *
  * \brief Initialization function for NSDL library. Initializes NSDL, GRS, HTTP and CoAP.
  *
  * \param *sn_nsdl_tx_callback 	A callback function for sending messages.
@@ -170,97 +157,274 @@
  *
  * \param *sn_memory			Memory structure which includes function pointers to the allocation and free functions.
  *
- * \return						SN_NSDL_SUCCESS = 0, Failed = -1
+ * \return	0	Success
+ * \return	-1	Failure
  */
-int8_t sn_nsdl_init	(uint8_t (*sn_nsdl_tx_cb)(sn_nsdl_capab_e , uint8_t *, uint16_t, sn_nsdl_addr_s *),
+extern int8_t sn_nsdl_init(uint8_t (*sn_nsdl_tx_cb)(sn_nsdl_capab_e , uint8_t *, uint16_t, sn_nsdl_addr_s *),
 							uint8_t (*sn_nsdl_rx_cb)(sn_coap_hdr_s *, sn_nsdl_addr_s *),
 							sn_nsdl_mem_s *sn_memory);
 
 /**
  * \fn extern uint8_t sn_nsdl_register_endpoint(sn_nsdl_ep_parameters_s *endpoint_info_ptr)
  *
- *
  * \brief Registers endpoint to NSP server.
  *
  * \param *endpoint_info_ptr	Contains endpoint information.
  *
- * \return						SN_NSDL_SUCCESS = 0, Failed = -1
+ * \return	0	Success
+ * \return	-1	Failure
  */
-int8_t sn_nsdl_register_endpoint(sn_nsdl_ep_parameters_s *endpoint_info_ptr);
+extern int8_t sn_nsdl_register_endpoint(sn_nsdl_ep_parameters_s *endpoint_info_ptr);
 
 /**
  * \fn extern int8_t sn_nsdl_unregister_endpoint(void)
  *
- *
  * \brief Sends unregister-message to NSP server.
  *
- * \return		SN_NSDL_SUCCESS = 0, Failed = -1
+ * \return	0	Success
+ * \return	-1	Failure
  */
-int8_t sn_nsdl_unregister_endpoint(void);
-int8_t sn_nsdl_update_registration (sn_nsdl_ep_parameters_s *endpoint_parameters_ptr);
-int8_t sn_nsdl_send_eventing_message (uint8_t *event_name_ptr, uint16_t event_name_len, uint8_t *message_body_ptr, uint16_t message_body_len);
+extern int8_t sn_nsdl_unregister_endpoint(void);
+
+/**
+ * \fn extern int8_t sn_nsdl_update_registration(sn_nsdl_ep_parameters_s *endpoint_parameters_ptr);
+ *
+ * \brief Update the registration with NSP.
+ *
+ * \param *endpoint_info_ptr	Contains endpoint information.
+ *
+ * \return	0	Success
+ * \return	-1	Failure
+ */
+extern int8_t sn_nsdl_update_registration(sn_nsdl_ep_parameters_s *endpoint_parameters_ptr);
 
 /**
  * \fn extern int8_t sn_nsdl_is_ep_registered(void)
  *
- *
  * \brief Checks if endpoint is registered.
  *
- * \return 1 if endpointi registration is done SN_NSDL_SUCCESSfully, 0 if endpoint is not registered
+ * \return 1 Endpoint registration is done successfully
+ * \return 0 Endpoint is not registered
  */
-int8_t sn_nsdl_is_ep_registered(void);
+extern int8_t sn_nsdl_is_ep_registered(void);
 
-/*
- * A function to inform NSDL-C library if application detects a fault in NSP registration. After calling this function
- * , sn_nsdl_is_ep_registered() will return "not registered".
+/**
+ * \fn extern void sn_nsdl_nsp_lost(void);
+ *
+ * \brief A function to inform NSDL-C library if application detects a fault in NSP registration.
+ *
+ * After calling this function sn_nsdl_is_ep_registered() will return "not registered".
  */
-void sn_nsdl_nsp_lost(void);
+extern void sn_nsdl_nsp_lost(void);
+
 /**
- * \fn extern int8_t sn_nsdl_send_observation_notification(uint8_t *token_ptr, uint8_t token_len,
- *															uint8_t *payload_ptr, uint16_t payload_len,
- *															uint8_t *observe_ptr, uint8_t observe_len)
+ * \fn extern uint16_t sn_nsdl_send_observation_notification(uint8_t *token_ptr, uint8_t token_len,
+ *													uint8_t *payload_ptr, uint16_t payload_len,
+ *													uint8_t *observe_ptr, uint8_t observe_len,
+ *													sn_coap_msg_type_e message_type, uint8_t content_type)
  *
  *
  * \brief Sends observation message to NSP server
  *
- * \param *token_ptr	Pointer to token to be used
- * \param token_len		Token length
- * \param *payload_ptr	Pointer to payload to be sent
- * \param payload_len	Payload length
- * \param *observe_ptr	Pointer to observe number to be sent
- * \param observe_len	Observe number len
+ * \param	*token_ptr		Pointer to token to be used
+ * \param	token_len		Token length
+ * \param	*payload_ptr	Pointer to payload to be sent
+ * \param	payload_len		Payload length
+ * \param	*observe_ptr	Pointer to observe number to be sent
+ * \param	observe_len		Observe number len
+ * \param	message_type	Observation message type (confirmable or non-confirmable)
+ * \param	contetnt_type	Observation message payload contetnt type
  *
- * \return		SN_NSDL_SUCCESS = 0, Failed = -1
+ * \return	!0	Success, observation messages message ID
+ * \return	0	Failure
+ */
+extern uint16_t sn_nsdl_send_observation_notification(uint8_t *token_ptr, uint8_t token_len,
+													uint8_t *payload_ptr, uint16_t payload_len,
+													uint8_t *observe_ptr, uint8_t observe_len,
+													sn_coap_msg_type_e message_type, uint8_t content_type);
+
+/**
+ * \fn extern int16_t sn_nsdl_get_capability(void)
+ *
+ * \brief Capability query function.
+ *
+ * Used to retrieve the list of supported protocols from the NSDL module.
+ *
+ * \return	>0	Success, supported capabilities reported using bitmask with definitions from sn_nsdl_capab_t
+ * \return	0	Success, no supported capabilities
  */
-extern uint16_t sn_nsdl_send_observation_notification(uint8_t *token_ptr, uint8_t token_len, uint8_t *payload_ptr, uint16_t payload_len, uint8_t *observe_ptr, uint8_t observe_len, sn_coap_msg_type_e message_type, uint8_t content_type);
-int16_t sn_nsdl_get_capability(void);
-uint32_t sn_nsdl_get_version(void);
-int8_t sn_nsdl_process_http(uint8_t *packet, uint16_t *packet_len, sn_nsdl_addr_s *src);
-int8_t sn_nsdl_process_coap(uint8_t *packet, uint16_t packet_len, sn_nsdl_addr_s *src);
-int8_t sn_nsdl_exec(uint32_t time);
-int8_t sn_nsdl_create_resource(sn_nsdl_resource_info_s *res);
-int8_t sn_nsdl_update_resource(sn_nsdl_resource_info_s *res);
-int8_t sn_nsdl_delete_resource(uint8_t pathlen, uint8_t *path);
-sn_nsdl_resource_info_s *sn_nsdl_get_resource(uint8_t pathlen, uint8_t *path);
-sn_grs_resource_list_s *sn_nsdl_list_resource(uint8_t pathlen, uint8_t *path);
-int8_t sn_nsdl_send_coap_message(sn_nsdl_addr_s *address_ptr, sn_coap_hdr_s *coap_hdr_ptr);
+extern int16_t sn_nsdl_get_capability(void);
+
+/**
+ * \fn extern uint32_t sn_nsdl_get_version(void)
+ *
+ * \brief Version query function.
+ *
+ * Used to retrieve the version information structure from the NSDL library.
+ *
+ * \return	!0	MSB 2 bytes major version, LSB 2 bytes minor version.
+ * \return	0	Failure
+*/
+extern uint32_t sn_nsdl_get_version(void);
+
+/**
+ * \fn extern int8_t sn_nsdl_process_http(uint8_t *packet, uint16_t *packet_len, sn_nsdl_addr_s *src)
+ *
+ * \brief Currently HTTP is not supported
+ *
+ * \return	-1	Failure
+ */
+extern int8_t sn_nsdl_process_http(uint8_t *packet, uint16_t *packet_len, sn_nsdl_addr_s *src);
+
 /**
- * \brief This function is used to set the NSP address given by an application.
- * @return 0 on success, -1 on false to indicate that NSDL internal address pointer is not allocated (call nsdl_init() first).
+ * \fn extern int8_t sn_nsdl_process_coap(uint8_t *packet, uint16_t packet_len, sn_nsdl_addr_s *src)
+ *
+ * \brief To push CoAP packet to NSDL library
+ *
+ * Used to push an CoAP packet to NSDL library for processing.
+ *
+ * \param	*packet  Pointer to a uint8_t array containing the packet (including the CoAP headers).
+ *      After successful execution this array may contain the response packet.
+ *
+ * \param	*packet_len	Pointer to length of the packet. After successful execution this array may contain the length
+ *      of the response packet.
+ *
+ * \param	*src	Pointer to packet source address information. After successful execution this array may contain
+ *      the destination address of the response packet.
+ *
+ * \return	0	Success
+ * \return	-1	Failure
  */
-int8_t set_NSP_address(uint8_t *NSP_address, uint16_t port, sn_nsdl_addr_type_e address_type);
+extern int8_t sn_nsdl_process_coap(uint8_t *packet, uint16_t packet_len, sn_nsdl_addr_s *src);
+
+/**
+ * \fn extern int8_t sn_nsdl_exec(uint32_t time);
+ *
+ * \brief CoAP retransmission function.
+ *
+ * Used to give execution time for the NSDL (CoAP) library for retransmissions. The NSDL library
+ * will call the exec functions of all enabled protocol modules.
+ *
+ * \param  time Time in seconds.
+ *
+ * \return	0	Success
+ * \return	-1	Failure
+ */
+extern int8_t sn_nsdl_exec(uint32_t time);
 
 /**
+ * \fn  extern int8_t sn_nsdl_create_resource(sn_nsdl_resource_info_s *res)
+ *
+ * \brief Resource creating function.
+ *
+ * Used to create a static or dynamic HTTP(S) or CoAP resource.
+ *
+ * \param	*res	Pointer to a structure of type sn_nsdl_resource_info_t that contains the information
+ *     about the resource.
+ *
+ * \return	0	Success
+ * \return	-1	Failure
+ * \return	-2	Resource already exists
+ * \return	-3	Invalid path
+ * \return	-4	List adding failure
+ */
+extern int8_t sn_nsdl_create_resource(sn_nsdl_resource_info_s *res);
+
+/**
+ * \fn extern int8_t sn_nsdl_update_resource(sn_nsdl_resource_info_s *res)
+ *
+ * \brief Resource updating function.
+ *
+ * Used to update the direct value of a static resource, the callback function pointer of a dynamic resource
+ * and access rights of the recource.
+ *
+ * \param	*res	Pointer to a structure of type sn_nsdl_resource_info_t that contains the information
+ *     about the resource. Only the pathlen and path elements are evaluated along with
+ *     either resourcelen and resource or the function pointer.
+ *
+ * \return	0	Success
+ * \return	-1	Failure
+ */
+extern int8_t sn_nsdl_update_resource(sn_nsdl_resource_info_s *res);
+
+/**
+ * \fn extern int8_t sn_nsdl_delete_resource(uint8_t pathlen, uint8_t *path)
+ *
+ * \brief Resource delete function.
+ *
+ * Used to delete a resource. If resource has a subresources, these all must also be removed.
+ *
+ * \param	pathlen		Contains the length of the path that is to be deleted (excluding possible trailing "\0").
+ *
+ * \param	*path_ptr	A pointer to an array containing the path.
+ *
+ * \return	0	Success
+ * \return	-1	Failure (No such resource)
+ */
+extern int8_t sn_nsdl_delete_resource(uint8_t pathlen, uint8_t *path);
+
+/**
+ * \fn extern sn_nsdl_resource_info_s *sn_nsdl_get_resource(uint16_t pathlen, uint8_t *path)
+ *
+ * \brief Resource get function.
+ *
+ * Used to get a resource.
+ *
+ * \param	pathlen	Contains the length of the path that is to be returned (excluding possible trailing '\0').
+ *
+ * \param	*path	A pointer to an array containing the path.
+ *
+ * \return	!NULL	Success, pointer to a sn_nsdl_resource_info_s that contains the resource information\n
+ * \return	NULL	Failure
+ */
+extern sn_nsdl_resource_info_s *sn_nsdl_get_resource(uint16_t pathlen, uint8_t *path);
+
+/**
+ * \fn extern sn_grs_resource_list_s *sn_nsdl_list_resource(uint16_t pathlen, uint8_t *path)
+ *
+ * \brief Resource list function.
+ *
+ * \param	pathlen	Contains the length of the target path (excluding possible trailing '\0').
+ *     The length value is not examined if the path itself is a NULL pointer.
+ *
+ * \param	*path	A pointer to an array containing the path or a NULL pointer.
+ *
+ * \return	!NULL	A pointer to a sn_grs_resource_list_s structure containing the resource listing.
+ * \return	NULL	Failure with an unspecified error
+ */
+extern sn_grs_resource_list_s *sn_nsdl_list_resource(uint16_t pathlen, uint8_t *path);
+
+/**
+ * \fn extern int8_t sn_nsdl_send_coap_message(sn_nsdl_addr_s *address_ptr, sn_coap_hdr_s *coap_hdr_ptr);
+ *
+ * \brief Send an outgoing CoAP request.
+ *
+ * \param	*address_ptr	Pointer to source address struct
+ *
+ * \param	*coap_hdr_ptr	Pointer to CoAP message to be sent
+ *
+ * \return	0	Success
+ * \return	-1	Failure
+ */
+extern int8_t sn_nsdl_send_coap_message(sn_nsdl_addr_s *address_ptr, sn_coap_hdr_s *coap_hdr_ptr);
+
+/**
+ * \fn extern int8_t set_NSP_address(uint8_t *NSP_address, uint16_t port, sn_nsdl_addr_type_e address_type);
+ *
+ * \brief This function is used to set the NSP address given by an application.
+ *
+ * \return	0	Success
+ * \return	-1	Failed to indicate that NSDL internal address pointer is not allocated (call nsdl_init() first).
+ */
+extern int8_t set_NSP_address(uint8_t *NSP_address, uint16_t port, sn_nsdl_addr_type_e address_type);
+
+/**
+ * \fn extern int8_t sn_nsdl_destroy(void);
+ *
  * \brief This function releases all allocated memory in nsdl and grs modules.
  */
 extern int8_t sn_nsdl_destroy(void);
 
-/*
- * \brief A function to request SN internal version information out of NSDL library in case of "error reporting" or similar.
- * @return A string with \0 in the end. A human readable format. Please deliver this item to Sensinode in case if you're to report of errors.
- */
-//extern const char __code * sn_nsdl_get_library_version_info(void);
-
 #ifdef __cplusplus
 }
 #endif