NSDL C library

Dependents:   NSDL_HelloWorld_WiFi UbloxModemNanoServiceClient IOT-NSDL_HelloWorld LWM2M_NanoService_Ethernet ... more

Fork of nsdl_lib by Tero Heinonen

Note that use of this software requires acceptance of the Sensinode EULA: http://mbed.org/teams/Sensinode/code/nsdl_lib/wiki/EULA

Files at this revision

API Documentation at this revision

Comitter:
terohoo
Date:
Wed Oct 09 09:20:29 2013 +0000
Child:
1:01d723824294
Child:
5:da1db64e7fb9
Commit message:
Adding nsdl_lib

Changed in this revision

nsdl_lib.ar Show annotated file Show diff for this revision Revisions of this file
sn_coap_header.h Show annotated file Show diff for this revision Revisions of this file
sn_coap_protocol.h Show annotated file Show diff for this revision Revisions of this file
sn_nsdl.h Show annotated file Show diff for this revision Revisions of this file
sn_nsdl_lib.h Show annotated file Show diff for this revision Revisions of this file
Binary file nsdl_lib.ar has changed
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sn_coap_header.h	Wed Oct 09 09:20:29 2013 +0000
@@ -0,0 +1,239 @@
+/**
+ * \file sn_coap_header.h
+ *
+ * \brief CoAP C-library User header interface header file
+ *
+ *  Created on: Jun 30, 2011
+ *      Author: tero
+ *
+ * \note Supports draft-ietf-core-coap-18
+ */
+
+#ifndef SN_COAP_HEADER_H_
+#define SN_COAP_HEADER_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* * * * * * * * * * * */
+/* * * * DEFINES * * * */
+/* * * * * * * * * * * */
+
+/* * * * * * * * * * * * * * */
+/* * * * ENUMERATIONS  * * * */
+/* * * * * * * * * * * * * * */
+
+/* Enumeration for CoAP Version */
+typedef enum coap_version_
+{
+    COAP_VERSION_1          = 0x40,
+    COAP_VERSION_UNKNOWN    = 0xFF
+} coap_version_e;
+
+/* Enumeration for CoAP Message type, used in CoAP Header */
+typedef enum sn_coap_msg_type_
+{
+    COAP_MSG_TYPE_CONFIRMABLE       = 0x00, /* User uses this for Reliable Request messages */
+    COAP_MSG_TYPE_NON_CONFIRMABLE   = 0x10, /* User uses this for Non-reliable Request and Response messages */
+    COAP_MSG_TYPE_ACKNOWLEDGEMENT   = 0x20, /* User uses this for Response to a Confirmable Request  */
+    COAP_MSG_TYPE_RESET             = 0x30  /* User uses this to answer a Bad Request */
+} sn_coap_msg_type_e;
+
+/* Enumeration for CoAP Message code, used in CoAP Header */
+typedef enum sn_coap_msg_code_
+{
+    COAP_MSG_CODE_EMPTY                                 = 0,
+    COAP_MSG_CODE_REQUEST_GET                           = 1,
+    COAP_MSG_CODE_REQUEST_POST                          = 2,
+    COAP_MSG_CODE_REQUEST_PUT                           = 3,
+    COAP_MSG_CODE_REQUEST_DELETE                        = 4,
+
+    COAP_MSG_CODE_RESPONSE_CREATED                      = 65,
+    COAP_MSG_CODE_RESPONSE_DELETED                      = 66,
+    COAP_MSG_CODE_RESPONSE_VALID                        = 67,
+    COAP_MSG_CODE_RESPONSE_CHANGED                      = 68,
+    COAP_MSG_CODE_RESPONSE_CONTENT                      = 69,
+    COAP_MSG_CODE_RESPONSE_BAD_REQUEST                  = 128,
+    COAP_MSG_CODE_RESPONSE_UNAUTHORIZED                 = 129,
+    COAP_MSG_CODE_RESPONSE_BAD_OPTION                   = 130,
+    COAP_MSG_CODE_RESPONSE_FORBIDDEN                    = 131,
+    COAP_MSG_CODE_RESPONSE_NOT_FOUND                    = 132,
+    COAP_MSG_CODE_RESPONSE_METHOD_NOT_ALLOWED           = 133,
+    COAP_MSG_CODE_RESPONSE_NOT_ACCEPTABLE	            = 134,
+    COAP_MSG_CODE_RESPONSE_REQUEST_ENTITY_INCOMPLETE    = 136,	/* Block */
+    COAP_MSG_CODE_RESPONSE_PRECONDITION_FAILED			= 140,
+    COAP_MSG_CODE_RESPONSE_REQUEST_ENTITY_TOO_LARGE     = 141,
+    COAP_MSG_CODE_RESPONSE_UNSUPPORTED_CONTENT_FORMAT   = 143,
+    COAP_MSG_CODE_RESPONSE_INTERNAL_SERVER_ERROR        = 160,
+    COAP_MSG_CODE_RESPONSE_NOT_IMPLEMENTED              = 161,
+    COAP_MSG_CODE_RESPONSE_BAD_GATEWAY                  = 162,
+    COAP_MSG_CODE_RESPONSE_SERVICE_UNAVAILABLE          = 163,
+    COAP_MSG_CODE_RESPONSE_GATEWAY_TIMEOUT              = 164,
+    COAP_MSG_CODE_RESPONSE_PROXYING_NOT_SUPPORTED       = 165
+} sn_coap_msg_code_e;
+
+/* Enumeration for CoAP Option number, used in CoAP Header */
+typedef enum sn_coap_option_numbers_
+{
+	COAP_OPTION_IF_MATCH		= 1,
+	COAP_OPTION_URI_HOST		= 3,
+	COAP_OPTION_ETAG			= 4,
+	COAP_OPTION_IF_NONE_MATCH	= 5,
+	COAP_OPTION_OBSERVE			= 6,
+	COAP_OPTION_URI_PORT		= 7,
+	COAP_OPTION_LOCATION_PATH	= 8,
+	COAP_OPTION_URI_PATH		= 11,
+	COAP_OPTION_CONTENT_FORMAT	= 12,
+	COAP_OPTION_MAX_AGE			= 14,
+	COAP_OPTION_URI_QUERY		= 15,
+	COAP_OPTION_ACCEPT			= 17,
+	COAP_OPTION_LOCATION_QUERY	= 20,
+	COAP_OPTION_BLOCK2			= 23,
+	COAP_OPTION_BLOCK1			= 27,
+	COAP_OPTION_PROXY_URI		= 35,
+	COAP_OPTION_PROXY_SCHEME	= 39,
+	COAP_OPTION_SIZE1			= 60
+//	128 =  	(Reserved)
+//	132 =  	(Reserved)
+//	136 =  	(Reserved)
+} sn_coap_option_numbers_e;
+
+/* Enumeration for CoAP Content Format codes */
+typedef enum sn_coap_content_format_
+{
+	COAP_CT_NONE				= -1,
+    COAP_CT_TEXT_PLAIN          = 0,
+    COAP_CT_LINK_FORMAT			= 40,
+    COAP_CT_XML			        = 41,
+    COAP_CT_OCTET_STREAM		= 42,
+    COAP_CT_EXI			        = 47,
+    COAP_CT_JSON			    = 50,
+} sn_coap_content_format_e;
+
+/* Enumeration for CoAP status, used in CoAP Header */
+typedef enum sn_coap_status_
+{
+    COAP_STATUS_OK                             = 0, /* Default value is OK */
+    COAP_STATUS_PARSER_ERROR_IN_HEADER         = 1, /* CoAP will send Reset message to invalid message sender */
+    COAP_STATUS_PARSER_DUPLICATED_MSG          = 2, /* CoAP will send Acknowledgement message to duplicated message sender */
+    COAP_STATUS_PARSER_BLOCKWISE_MSG_RECEIVING = 3, /* User will get whole message after all message blocks received.
+                                                       User must release messages with this status. */
+    COAP_STATUS_PARSER_BLOCKWISE_ACK           = 4, /* Acknowledgement for sent Blockwise message received */
+    COAP_STATUS_PARSER_BLOCKWISE_MSG_REJECTED  = 5, /* Blockwise message received but not supported by compiling switch */
+    COAP_STATUS_PARSER_BLOCKWISE_MSG_RECEIVED  = 6  /* Blockwise message fully received and returned to app. */
+    												/* User must take care of releasing whole payload of the blockwise messages */
+} sn_coap_status_e;
+
+
+/* * * * * * * * * * * * * */
+/* * * * STRUCTURES  * * * */
+/* * * * * * * * * * * * * */
+
+/* Structure for CoAP Options */
+typedef struct sn_coap_options_list_
+{
+
+	/* If-Match */
+	/* If-None-Match */
+	/* Size */
+	/* Proxy-Scheme */
+
+    uint8_t     max_age_len;		/* 0-4 bytes. */
+    uint8_t    *max_age_ptr;        /* Must be set to NULL if not used */
+
+    uint16_t    proxy_uri_len;		/* 1-1034 bytes. */
+    uint8_t    *proxy_uri_ptr;      /* Must be set to NULL if not used */
+
+    uint8_t     etag_len;			/* 1-8 bytes. Repeatable */
+    uint8_t    *etag_ptr;           /* Must be set to NULL if not used */
+
+    uint16_t    uri_host_len;		/* 1-255 bytes. */
+    uint8_t    *uri_host_ptr;       /* Must be set to NULL if not used */
+
+    uint16_t    location_path_len;	/* 0-255 bytes. Repeatable */
+    uint8_t    *location_path_ptr;  /* Must be set to NULL if not used */
+
+    uint8_t     uri_port_len;		/* 0-2 bytes. */
+    uint8_t    *uri_port_ptr;       /* Must be set to NULL if not used */
+
+    uint16_t    location_query_len; /* 0-255 bytes. Repeatable */
+    uint8_t    *location_query_ptr; /* Must be set to NULL if not used */
+
+    uint8_t     observe;
+    uint8_t     observe_len;		/* 0-2 bytes. */
+    uint8_t    *observe_ptr;        /* Must be set to NULL if not used */
+
+    uint8_t     accept_len;   		/* 0-2 bytes. Repeatable */
+    uint8_t     *accept_ptr;   		/* Must be set to NULL if not used */
+
+    uint16_t    uri_query_len;		/* 1-255 bytes. Repeatable */
+    uint8_t    *uri_query_ptr;      /* Must be set to NULL if not used */
+
+    uint8_t     block1_len;         /* 0-3 bytes. */
+    uint8_t    *block1_ptr;         /* Not for User */
+
+    uint8_t     block2_len;         /* 0-3 bytes. */
+    uint8_t    *block2_ptr;         /* Not for User */
+} sn_coap_options_list_s;
+
+/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */
+/* !!! Main CoAP message struct !!! */
+/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */
+typedef struct sn_coap_hdr_
+{
+    sn_coap_status_e        coap_status;        /* Used for telling to User special cases when parsing message */
+
+    /* * * * * * * * * * * */
+    /* * * * Header  * * * */
+    /* * * * * * * * * * * */
+
+    sn_coap_msg_type_e      msg_type;           /* Confirmable, Non-Confirmable, Acknowledgement or Reset */
+    sn_coap_msg_code_e      msg_code;           /* Empty: 0; Requests: 1-31; Responses: 64-191 */
+    uint16_t				msg_id;				/* Message ID. Parser sets parsed message ID, builder sets message ID of built coap message */
+
+    /* * * * * * * * * * * */
+    /* * * * Options * * * */
+    /* * * * * * * * * * * */
+
+    /* Here are most often used Options */
+
+    uint16_t                uri_path_len;       /* 0-255 bytes. Repeatable. */
+    uint8_t                *uri_path_ptr;       /* Must be set to NULL if not used. E.g: temp1/temp2 */
+
+    uint8_t                 token_len;          /* 1-8 bytes. */
+    uint8_t                *token_ptr;          /* Must be set to NULL if not used */
+
+    /* todo: COAP12 - content type ptr as a content_type_e */
+    uint8_t                 content_type_len;   /* 0-2 bytes. */
+    uint8_t                *content_type_ptr;   /* Must be set to NULL if not used */
+
+    /* Here are not so often used Options */
+    sn_coap_options_list_s *options_list_ptr;   /* Must be set to NULL if not used */
+
+    /* * * * * * * * * * * */
+    /* * * * Payload * * * */
+    /* * * * * * * * * * * */
+
+    uint16_t                payload_len;        /* Must be set to zero if not used */
+    uint8_t		           *payload_ptr;        /* Must be set to NULL if not used */
+} sn_coap_hdr_s;
+
+/* * * * * * * * * * * * * * * * * * * * * * */
+/* * * * EXTERNAL FUNCTION PROTOTYPES  * * * */
+/* * * * * * * * * * * * * * * * * * * * * * */
+
+extern void           sn_coap_builder_and_parser_init(void* (*used_malloc_func_ptr)(uint16_t), void (*used_free_func_ptr)(void*));
+extern sn_coap_hdr_s *sn_coap_parser(uint16_t packet_data_len, uint8_t *packet_data_ptr, coap_version_e *coap_version_ptr);
+extern int16_t        sn_coap_builder(uint8_t *dst_packet_data_ptr, sn_coap_hdr_s *src_coap_msg_ptr);
+extern uint16_t       sn_coap_builder_calc_needed_packet_data_size(sn_coap_hdr_s *src_coap_msg_ptr);
+extern void           sn_coap_builder_release_allocated_send_msg_mem(sn_nsdl_transmit_s *freed_send_msg_ptr);
+extern sn_coap_hdr_s *sn_coap_build_response(sn_coap_hdr_s *coap_packet_ptr, uint8_t msg_code);
+extern void           sn_coap_parser_release_allocated_coap_msg_mem(sn_coap_hdr_s *freed_coap_msg_ptr);
+extern void 		  sn_coap_packet_debug(sn_coap_hdr_s *coap_packet_ptr);
+
+#endif /* SN_COAP_HEADER_H_ */
+
+#ifdef __cplusplus
+}
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sn_coap_protocol.h	Wed Oct 09 09:20:29 2013 +0000
@@ -0,0 +1,94 @@
+/**
+ * \file sn_coap_protocol.h
+ *
+ * \brief CoAP C-library User protocol interface header file
+ *
+ *  Created on: Jun 30, 2011
+ *      Author: tero
+ *
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef SN_COAP_PROTOCOL_H_
+#define SN_COAP_PROTOCOL_H_
+
+/* * * * * * * * * * * */
+/* * * * DEFINES * * * */
+/* * * * * * * * * * * */
+
+/* Maximum time in seconds of messages to be stored for Acknowledging. This time tells */
+/* how long time User of CoAP C-library have time to send Piggy-backed acknowledgement */
+/* message to Request sender. */
+#define SN_COAP_ACK_INFO_MAX_TIME_MSGS_STORED    	20
+#define SN_COAP_ACK_INFO_MAX_COUNT_MESSAGES_SAVED   10
+
+/* * For Message resending * */
+
+/* Init value for maximum count of ongoing active resending messages 										*/
+/* This value depends on available memory: If there is restricted count of memory, use little value e.g. 1 	*/
+/* Setting of this value to 0 will disable re-sending and also reduce use of ROM memory						*/
+#define SN_COAP_RESENDING_MAX_COUNT		            0
+/* Default value for re-sending buffer size */
+#define SN_COAP_RESENDING_BUFFER_MAX_SIZE           0
+
+/* These parameters sets maximum values application can set with API */
+/* Maximum allowed count of re-sending */
+#define SN_COAP_MAX_ALLOWED_RESENDING_COUNT 		6
+/* Maximum allowed number of saved re-sending messages */
+#define SN_COAP_MAX_ALLOWED_RESENDING_BUFF_SIZE 	6
+
+/* * For Message duplication detecting * */
+
+/* Init value for the maximum count of messages to be stored for duplication detection 			*/
+/* Setting of this value to 0 will disable duplication check, also reduce use of ROM memory	 	*/
+#define SN_COAP_DUPLICATION_MAX_MSGS_COUNT          	0
+/* Maximum allowed number of saved messages for duplicate searching */
+#define SN_COAP_MAX_ALLOWED_DUPLICATION_MESSAGE_COUNT 	6
+
+/* Maximum time in seconds of messages to be stored for duplication detection */
+#define SN_COAP_DUPLICATION_MAX_TIME_MSGS_STORED    60 /* RESPONSE_TIMEOUT * RESPONSE_RANDOM_FACTOR * (2 ^ MAX_RETRANSMIT - 1) + the expected maximum round trip time */
+
+/* * For Message blockwising * */
+
+/* Init value for the maximum payload size to be sent and received at one blockwise message 						*/
+/* Setting of this value to 0 will disable this feature, and also reduce use of ROM memory							*/
+/* Note: Current Coap implementation supports Blockwise transfers specification version draft-ietf-core-block-03 	*/
+/* Note: This define is common for both received and sent Blockwise messages 										*/
+#ifndef SN_COAP_BLOCKWISE_MAX_PAYLOAD_SIZE
+#define SN_COAP_BLOCKWISE_MAX_PAYLOAD_SIZE 			0 /* Must be 2^x and x is at least 4. Suitable values: 0, 16, 32, 64, 128, 256, 512 and 1024 */
+#endif
+
+
+/* Maximum time in seconds of data (messages and payload) to be stored for blockwising */
+#ifndef SN_COAP_BLOCKWISE_MAX_TIME_DATA_STORED
+#define SN_COAP_BLOCKWISE_MAX_TIME_DATA_STORED      10
+#endif
+
+
+/* * * * * * * * * * * * * * * * * * * * * * */
+/* * * * EXTERNAL FUNCTION PROTOTYPES  * * * */
+/* * * * * * * * * * * * * * * * * * * * * * */
+
+extern int8_t 			   sn_coap_protocol_init(void* (*used_malloc_func_ptr)(uint16_t), void (*used_free_func_ptr)(void*),
+										uint8_t (*used_tx_callback_ptr)(sn_nsdl_capab_e , uint8_t *, uint16_t, sn_nsdl_addr_s *));
+extern int8_t 			   sn_coap_protocol_destroy(void);
+extern int16_t             sn_coap_protocol_build(sn_nsdl_addr_s *dst_addr_ptr, uint8_t *dst_packet_data_ptr, sn_coap_hdr_s *src_coap_msg_ptr);
+extern sn_coap_hdr_s      *sn_coap_protocol_parse(sn_nsdl_addr_s *src_addr_ptr, uint16_t packet_data_len, uint8_t *packet_data_ptr);
+extern int8_t 			   sn_coap_protocol_exec(uint32_t current_time);
+extern int8_t 			   sn_coap_protocol_set_block_size(uint16_t block_size);
+extern int8_t 			   sn_coap_protocol_set_duplicate_buffer_size(uint8_t message_count);
+extern int8_t 			   sn_coap_protocol_set_retransmission(uint8_t resending_count, uint8_t buffer_size);
+
+/* NSP registration functions */
+extern int8_t 			   sn_coap_register(sn_coap_hdr_s *coap_hdr_ptr, registration_info_t *endpoint_info_ptr);
+extern int8_t 			   sn_coap_register_update(sn_coap_hdr_s *coap_hdr_ptr, uint8_t *location, uint8_t length);
+extern int8_t 			   sn_coap_deregister(sn_coap_hdr_s *coap_hdr_ptr, uint8_t *location, uint8_t length);
+
+#endif /* SN_COAP_PROTOCOL_H_ */
+
+#ifdef __cplusplus
+}
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sn_nsdl.h	Wed Oct 09 09:20:29 2013 +0000
@@ -0,0 +1,113 @@
+/**
+ * \file sn_nsdl.h
+ *
+ * \brief NanoService Devices Library generic header file
+ *
+ *  Created on: Aug 23, 2011
+ *      Author: tero
+ *
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef SN_NSDL_H_
+#define SN_NSDL_H_
+
+/* * * * * * * * * * * */
+/* * * * DEFINES * * * */
+/* * * * * * * * * * * */
+
+#define SN_GRS_VERSION	                0x0101
+
+#ifndef SN_NSDL_HAVE_HTTP_CAPABILITY
+#define SN_NSDL_HAVE_HTTP_CAPABILITY		0
+#endif
+
+#ifndef SN_NSDL_HAVE_HTTPS_CAPABILITY
+#define SN_NSDL_HAVE_HTTPS_CAPABILITY	0
+#endif
+
+#ifndef SN_NSDL_HAVE_COAP_CAPABILITY
+#define SN_NSDL_HAVE_COAP_CAPABILITY		1
+#endif
+
+/* * * Common * * */
+
+#define SN_NSDL_SUCCESS  0
+#define SN_NSDL_FAILURE (-1)
+
+/* * * * * * * * * * * * * * */
+/* * * * ENUMERATIONS  * * * */
+/* * * * * * * * * * * * * * */
+
+
+typedef enum sn_nsdl_capab_
+{
+    SN_NSDL_PROTOCOL_HTTP           = 0x01,
+    SN_NSDL_PROTOCOL_HTTPS          = 0x02,
+    SN_NSDL_PROTOCOL_COAP           = 0x04
+} sn_nsdl_capab_e;
+
+typedef enum sn_nsdl_addr_type_
+{
+    SN_NSDL_ADDRESS_TYPE_IPV6       = 0x01,
+    SN_NSDL_ADDRESS_TYPE_IPV4       = 0x02,
+    SN_NSDL_ADDRESS_TYPE_HOSTNAME   = 0x03,
+    SN_NSDL_ADDRESS_TYPE_NONE       = 0xFF
+} sn_nsdl_addr_type_e;
+
+
+#define SN_NDSL_RESOURCE_NOT_REGISTERED	0
+#define SN_NDSL_RESOURCE_REGISTERING	1
+#define SN_NDSL_RESOURCE_REGISTERED		2
+
+
+/* * * * * * * * * * * * * */
+/* * * * STRUCTURES  * * * */
+/* * * * * * * * * * * * * */
+
+/* Address structure of Packet data */
+typedef struct sn_nsdl_addr_
+{
+    sn_nsdl_addr_type_e     type;
+
+    uint8_t                 addr_len;
+    uint8_t                *addr_ptr;
+
+    uint16_t                port;
+
+    void					*socket_information;
+
+} sn_nsdl_addr_s;
+
+/* This structure is returned by sn_coap_exec() for sending */
+typedef struct sn_nsdl_transmit_
+{
+    sn_nsdl_addr_s         *dst_addr_ptr;
+
+    sn_nsdl_capab_e         protocol;
+
+    uint16_t                packet_len;
+    uint8_t                *packet_ptr;
+} sn_nsdl_transmit_s;
+
+typedef struct registration_info_
+{
+	uint8_t *endpoint_ptr;
+	uint8_t endpoint_len;
+
+	uint8_t *endpoint_type_ptr;
+	uint8_t endpoint_type_len;
+
+	uint8_t *links_ptr;
+	uint16_t links_len;
+
+}registration_info_t;
+
+#endif /* SN_NSDL_H_ */
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sn_nsdl_lib.h	Wed Oct 09 09:20:29 2013 +0000
@@ -0,0 +1,266 @@
+#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
+
+typedef struct sn_nsdl_ep_parameters_
+{
+	uint8_t 	*endpoint_name_ptr;
+	uint8_t  	endpoint_name_len;
+
+	uint8_t		*domain_name_ptr;
+	uint8_t		domain_name_len;
+
+	uint8_t 	*type_ptr;
+	uint8_t 	type_len;
+
+	uint8_t 	*contex_ptr;
+	uint8_t 	contex_len;
+
+	uint8_t		*lifetime_ptr;
+	uint8_t		lifetime_len;
+
+} sn_nsdl_ep_parameters_s;
+
+typedef struct sn_nsdl_sent_messages_
+{
+	uint16_t	msg_id_number;
+	uint8_t		message_type;
+}sn_nsdl_sent_messages_s;
+
+typedef struct sn_nsdl_mem_
+{
+	void *(*sn_nsdl_alloc)(uint16_t);
+	void (*sn_nsdl_free)(void *);
+}sn_nsdl_mem_s;
+
+typedef struct sn_grs_resource_
+{
+	uint8_t pathlen;
+	uint8_t *path;
+}sn_grs_resource_s;
+
+typedef struct sn_grs_resource_list_
+{
+	uint8_t res_count;				/* Number of resources */
+	sn_grs_resource_s *res;
+}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;
+
+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;
+
+typedef struct sn_proto_info_
+{
+	sn_nsdl_capab_e proto;
+}sn_proto_info_s;
+
+typedef struct sn_nsdl_resource_parameters_
+{
+	uint8_t		*resource_type_ptr;
+	uint16_t	resource_type_len;
+
+	uint8_t		*interface_description_ptr;
+	uint16_t	interface_description_len;
+
+	uint8_t		coap_content_type;
+
+	uint8_t		mime_content_type;
+
+	uint8_t		observable;
+
+	uint8_t		registered;
+
+}sn_nsdl_resource_parameters_s;
+
+typedef struct sn_nsdl_resource_info_
+{
+	sn_nsdl_resource_parameters_s 	*resource_parameters_ptr;
+
+	sn_nsdl_resource_mode_e			mode;						// STATIC etc..
+
+	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
+
+	sn_grs_resource_acl_e 			access;
+
+	uint8_t (*sn_grs_dyn_res_callback)(sn_coap_hdr_s *, sn_nsdl_addr_s *, sn_proto_info_s *);
+
+} sn_nsdl_resource_info_s;
+
+/**
+ * \fn 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)
+ *
+ *
+ * \brief Initialization function for NSDL library. Initializes NSDL, GRS, HTTP and CoAP.
+ *
+ * \param *sn_nsdl_tx_callback 	A callback function for sending messages.
+ *
+ * \param *sn_nsdl_rx_callback 	A callback function for parsed messages. If received message is not CoAP protocol message (eg. ACK), message for GRS (GET, PUT, POST, DELETE) or
+ * 								reply for some NSDL message (register message etc.), rx callback will be called.
+ *
+ * \param *sn_memory			Memory structure which includes function pointers to the allocation and free functions.
+ *
+ * \return						SN_NSDL_SUCCESS = 0, Failed = -1
+ */
+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
+ */
+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
+ */
+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);
+
+/**
+ * \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
+ */
+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".
+ */
+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)
+ *
+ *
+ * \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
+ *
+ * \return		SN_NSDL_SUCCESS = 0, Failed = -1
+ */
+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);
+/**
+ * \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).
+ */
+int8_t set_NSP_address(uint8_t *NSP_address, uint16_t port, sn_nsdl_addr_type_e address_type);
+
+/**
+ * \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