The base class based on which all LwM2M object models can be created. More...

#include <m2mbase.h>

Inheritance diagram for M2MBase:

Data Structures
struct	lwm2m_parameters
	LwM2M parameters. More...

Public Types
enum	BaseType { Object = 0x0, Resource = 0x1, ObjectInstance = 0x2, ResourceInstance = 0x3 }
	Enum to define the type of object.

enum	Observation { None = 0x0, R_Attribute = 0x01, OI_Attribute = 0x02, OIR_Attribute = 0x03, O_Attribute = 0x04, OR_Attribute = 0x05, OOI_Attribute = 0x06, OOIR_Attribute = 0x07 }
	Enum to define observation level.

enum	Mode { Static, Dynamic, Directory }
	Enum defining a resource type.

enum	DataType { STRING, INTEGER, FLOAT, BOOLEAN, OPAQUE, TIME, OBJLINK }
	Enum defining a resource data type.

enum	Operation { NOT_ALLOWED = 0x00, GET_ALLOWED = 0x01, PUT_ALLOWED = 0x02, GET_PUT_ALLOWED = 0x03, POST_ALLOWED = 0x04, GET_POST_ALLOWED = 0x05, PUT_POST_ALLOWED = 0x06, GET_PUT_POST_ALLOWED = 0x07, DELETE_ALLOWED = 0x08, GET_DELETE_ALLOWED = 0x09, PUT_DELETE_ALLOWED = 0x0A, GET_PUT_DELETE_ALLOWED = 0x0B, POST_DELETE_ALLOWED = 0x0C, GET_POST_DELETE_ALLOWED = 0x0D, PUT_POST_DELETE_ALLOWED = 0x0E, GET_PUT_POST_DELETE_ALLOWED = 0x0F }
	Enum defining an operation that can be supported by a given resource.

enum	MessageDeliveryStatus { MESSAGE_STATUS_INIT = 0, MESSAGE_STATUS_BUILD_ERROR, MESSAGE_STATUS_RESEND_QUEUE_FULL, MESSAGE_STATUS_SENT, MESSAGE_STATUS_DELIVERED, MESSAGE_STATUS_SEND_FAILED, MESSAGE_STATUS_SUBSCRIBED, MESSAGE_STATUS_UNSUBSCRIBED, MESSAGE_STATUS_REJECTED }
	Enum defining an status codes that can happen when sending confirmable message.

enum	MessageType { NOTIFICATION = 0, DELAYED_POST_RESPONSE, BLOCK_SUBSCRIBE, PING }

enum	MaxPathSize { MAX_NAME_SIZE = 64, MAX_INSTANCE_SIZE = 5, MAX_PATH_SIZE = ((MAX_NAME_SIZE * 2) + (MAX_INSTANCE_SIZE * 2) + 3 + 1), MAX_PATH_SIZE_2 = ((MAX_NAME_SIZE * 2) + MAX_INSTANCE_SIZE + 2 + 1), MAX_PATH_SIZE_3 = (MAX_NAME_SIZE + (MAX_INSTANCE_SIZE * 2) + 2 + 1), MAX_PATH_SIZE_4 = (MAX_NAME_SIZE + MAX_INSTANCE_SIZE + 1 + 1) }

typedef void(*	notification_delivery_status_cb) (const M2MBase &base, const NotificationDeliveryStatus status, void *client_args)

typedef void(*	message_delivery_status_cb) (const M2MBase &base, const MessageDeliveryStatus status, const MessageType type, void *client_args)

typedef struct M2MBase::lwm2m_parameters	lwm2m_parameters_s
	LwM2M parameters.

Public Member Functions
virtual	~M2MBase ()
	Destructor.

void	set_operation (M2MBase::Operation operation)
	Sets the operation type for an object. More...

void	set_interface_description (const String &description)
	Sets the interface description of the object. More...

void	set_interface_description (const char *description)
	Sets the interface description of the object. More...

const char *	interface_description () const
	Returns the interface description of the object. More...

virtual void	set_resource_type (const String &resource_type)
	Sets the resource type of the object. More...

virtual void	set_resource_type (const char *resource_type)
	Sets the resource type of the object. More...

const char *	resource_type () const
	Returns the resource type of the object. More...

void	set_coap_content_type (const uint16_t content_type)
	Sets the CoAP content type of the object. More...

void	set_observable (bool observable)
	Sets the observable mode for the object. More...

void	set_auto_observable (bool auto_observable)
	Sets the object to be auto-observable. More...

virtual void	add_observation_level (M2MBase::Observation observation_level)
	Adds the observation level for the object. More...

virtual void	remove_observation_level (M2MBase::Observation observation_level)
	Removes the observation level for the object. More...

void	set_under_observation (bool observed, M2MObservationHandler *handler)
	Sets the object under observation. More...

virtual M2MObservationHandler *	observation_handler () const =0
	Returns the Observation Handler object. More...

virtual void	set_observation_handler (M2MObservationHandler *handler)=0
	Sets the observation handler. More...

void	set_instance_id (const uint16_t instance_id)
	Sets the instance ID of the object. More...

void	set_max_age (const uint32_t max_age)
	Sets the max age for the resource value to be cached. More...

M2MBase::BaseType	base_type () const
	Returns the object type. More...

M2MBase::Operation	operation () const
	Returns the operation type of the object. More...

const char *	name () const
	Returns the object name. More...

int32_t	name_id () const
	Returns the object name in integer. More...

uint16_t	instance_id () const
	Returns the object's instance ID. More...

const char *	uri_path () const
	Returns the path of the object. More...

uint16_t	coap_content_type () const
	Returns the CoAP content type of the object. More...

bool	is_observable () const
	Returns the observation status of the object. More...

bool	is_auto_observable () const
	Returns the auto observation status of the object. More...

M2MBase::Observation	observation_level () const
	Returns the observation level of the object. More...

Mode	mode () const
	Returns the mode of the resource. More...

uint16_t	observation_number () const
	Returns the observation number. More...

uint32_t	max_age () const
	Returns the max age for the resource value to be cached. More...

virtual sn_coap_hdr_s *	handle_get_request (nsdl_s nsdl, sn_coap_hdr_s received_coap_header, M2MObservationHandler *observation_handler=NULL)
	Handles GET request for the registered objects. More...

virtual sn_coap_hdr_s *	handle_put_request (nsdl_s nsdl, sn_coap_hdr_s received_coap_header, M2MObservationHandler *observation_handler, bool &execute_value_updated)
	Handles PUT request for the registered objects. More...

virtual sn_coap_hdr_s *	handle_post_request (nsdl_s nsdl, sn_coap_hdr_s received_coap_header, M2MObservationHandler observation_handler, bool &execute_value_updated, sn_nsdl_addr_s address=NULL)
	Handles GET request for the registered objects. More...

void	send_notification_delivery_status (const M2MBase &object, const NotificationDeliveryStatus status)
	Executes the function that is set in "set_notification_delivery_status_cb". Note: the setter for this callback is marked as m2m_deprecated, but there is no point having it here, as then the code will always give warnings. This simply must be there until the set_notification_delivery_status_cb() is removed.

void	send_message_delivery_status (const M2MBase &object, const MessageDeliveryStatus status, const MessageType type)
	Executes the function that is set in "set_message_delivery_status_cb".

void	set_register_uri (bool register_uri)
	Sets whether this resource is published to server or not. More...

bool	register_uri ()
	Returns whether this resource is published to server or not. More...

bool	is_under_observation () const
	Returns whether this resource is under observation or not. More...

bool	set_value_updated_function (value_updated_callback callback)
	Sets the function that is executed when this object receives a PUT or POST command. More...

bool	set_value_updated_function (value_updated_callback2 callback)
	Sets the function that is executed when this object receives a PUT or POST command. More...

bool	is_value_updated_function_set () const
	Returns whether a callback function is set or not. More...

void	execute_value_updated (const String &name)
	Calls the function that is set in the "set_value_updated_function". More...

size_t	resource_name_length () const
	Returns length of the object name. More...

sn_nsdl_dynamic_resource_parameters_s *	get_nsdl_resource () const
	Returns the resource information. More...

M2MBase::lwm2m_parameters_s *	get_lwm2m_parameters () const
	Returns the resource structure. More...

uint16_t	get_notification_msgid () const m2m_deprecated
	Returns the notification message id. More...

void	set_notification_msgid (uint16_t msgid) m2m_deprecated
	Sets the notification message id. This is used to map RESET and EMPTY ACK messages. More...

bool	set_notification_delivery_status_cb (notification_delivery_status_cb callback, void *client_args) m2m_deprecated
	Sets the function that is executed when notification message state changes. More...

bool	set_message_delivery_status_cb (message_delivery_status_cb callback, void *client_args)
	Sets the function that is executed when message state changes. Currently this is used to track notifications and delayed response delivery statuses. More...

Static Public Member Functions
static char *	create_path (const M2MObject &parent, const char *name)

static char *	create_path (const M2MObject &parent, uint16_t object_instance)

static char *	create_path (const M2MResource &parent, uint16_t resource_instance)

static char *	create_path (const M2MResource &parent, const char *name)

static char *	create_path (const M2MObjectInstance &parent, const char *name)

Protected Member Functions
M2MBase &	operator= (const M2MBase &)

	M2MBase (const M2MBase &)

	M2MBase (const String &name, M2MBase::Mode mode, const String &resource_type, char *path, bool external_blockwise_store, bool multiple_instance, M2MBase::DataType type=M2MBase::OBJLINK)
	Constructor. More...

	M2MBase (const lwm2m_parameters_s *s)

virtual bool	observation_to_be_sent (const m2m::Vector< uint16_t > &changed_instance_ids, uint16_t obs_number, bool send_object=false)
	An observation callback to be sent to the server due to a change in the observed parameter. More...

void	set_base_type (M2MBase::BaseType type)
	Sets the base type for an object. More...

M2MReportHandler *	create_report_handler ()
	Create Report Handler object. More...

M2MReportHandler *	report_handler () const
	Returns the Report Handler object. More...

void	free_resources ()
	Delete the resource structures owned by this object. Note: this needs to be called separately from each subclass' destructor as this method uses a virtual method and the call needs to be done at same class which has the implementation of the pure virtual method.

NotificationDeliveryStatus	get_notification_delivery_status () const m2m_deprecated
	Returns notification send status. More...

void	clear_notification_delivery_status () m2m_deprecated
	Clears the notification send status to initial state.

void	get_observation_token (uint8_t *token, uint8_t &token_length) const
	Provides the observation token of the object. More...

void	set_observation_token (const uint8_t *token, const uint8_t length)
	Sets the observation token value. More...

virtual void	set_changed ()
	The data has changed and it needs to be updated into Device Management. Current implementation maintains the changed state only in M2MEndpoint. If any of the changes in an object changes the M2M registration structure, the information is propagated to M2MEndpoint using this interface.

virtual M2MBase *	get_parent () const
	Returns the owner object. Can return NULL if the object has no parent.

void	handle_observation (nsdl_s nsdl, const sn_coap_hdr_s &received_coap_header, sn_coap_hdr_s &coap_response, M2MObservationHandler observation_handler, sn_coap_msg_code_e &response_code)
	Handles subscription request. More...

void	start_observation (const sn_coap_hdr_s &received_coap_header, M2MObservationHandler *observation_handler)
	Start the observation. More...

Static Protected Member Functions
static void *	memory_alloc (uint32_t size)
	Memory allocation required for libCoap. More...

static void	memory_free (void *ptr)
	Memory free functions required for libCoap. More...

static char *	alloc_string_copy (const char *source)
	Allocate and make a copy of given zero terminated string. This is functionally equivalent with strdup(). More...

static uint8_t *	alloc_string_copy (const uint8_t *source, uint32_t size)
	Allocate (size + 1) amount of memory, copy size bytes into it and add zero termination. More...

static uint8_t *	alloc_copy (const uint8_t *source, uint32_t size)
	Allocate (size) amount of memory, copy size bytes into it. More...

static bool	validate_string_length (const String &string, size_t min_length, size_t max_length)

static bool	validate_string_length (const char *string, size_t min_length, size_t max_length)

static bool	build_path (StringBuffer< MAX_PATH_SIZE > &buffer, const char s1, uint16_t i1, const char s2, uint16_t i2)

static bool	build_path (StringBuffer< MAX_PATH_SIZE_2 > &buffer, const char s1, uint16_t i1, const char s2)

static bool	build_path (StringBuffer< MAX_PATH_SIZE_3 > &buffer, const char *s1, uint16_t i1, uint16_t i2)

static bool	build_path (StringBuffer< MAX_PATH_SIZE_4 > &buffer, const char *s1, uint16_t i1)

static char *	stringdup (const char *s)

static bool	is_blockwise_needed (const nsdl_s *nsdl, uint32_t payload_len)
	Checks whether blockwise is needed to send resource value to server. More...

Friends
class	Test_M2MBase

class	Test_M2MObject

class	M2MNsdlInterface

class	M2MInterfaceFactory

class	M2MObject

Detailed Description

The base class based on which all LwM2M object models can be created.

It serves as the base class for Objects, ObjectInstances and Resources.

Constructor & Destructor Documentation

M2MBase::M2MBase	(	const String &	name,
		M2MBase::Mode	mode,
		const String &	resource_type,
		char *	path,
		bool	external_blockwise_store,
		bool	multiple_instance,
		M2MBase::DataType	type = `M2MBase::OBJLINK`
	)

protected

Constructor.

Parameters

name	Name of the object created.
mode	Type of the resource.
resource_type	Textual information of resource.
path	Path of the object like 3/0/1
external_blockwise_store	If true CoAP blocks are passed to application through callbacks otherwise handled in mbed-client-c.

Member Function Documentation

virtual void M2MBase::add_observation_level ( M2MBase::Observation observation_level )

virtual

Adds the observation level for the object.

Parameters

observation_level The level of observation.

Reimplemented in M2MObjectInstance, M2MResource, and M2MObject.

static uint8_t* M2MBase::alloc_copy	(	const uint8_t *	source,
		uint32_t	size
	)

staticprotected

Allocate (size) amount of memory, copy size bytes into it.

Parameters

source	The source buffer to copy, may not be NULL.
size	The size of memory to be reserved.

static char* M2MBase::alloc_string_copy ( const char * source )

staticprotected

Allocate and make a copy of given zero terminated string. This is functionally equivalent with strdup().

Parameters

source The source string to copy, may not be NULL.

static uint8_t* M2MBase::alloc_string_copy	(	const uint8_t *	source,
		uint32_t	size
	)

staticprotected

Allocate (size + 1) amount of memory, copy size bytes into it and add zero termination.

Parameters

source	The source string to copy, may not be NULL.
size	The size of memory to be reserved.

M2MBase::BaseType M2MBase::base_type ( ) const

Returns the object type.

Returns: The base type of the object.

uint16_t M2MBase::coap_content_type ( ) const

Returns the CoAP content type of the object.

Returns: The CoAP content type of the object.

M2MReportHandler* M2MBase::create_report_handler ( )

protected

Create Report Handler object.

Returns: M2MReportHandler object.

void M2MBase::execute_value_updated ( const String & name )

Calls the function that is set in the "set_value_updated_function".

Parameters

name	The name of the object.

M2MBase::lwm2m_parameters_s* M2MBase::get_lwm2m_parameters ( ) const

Returns the resource structure.

Returns: Resource structure.

NotificationDeliveryStatus M2MBase::get_notification_delivery_status ( ) const

protected

Returns notification send status.

Returns: Notification status.

uint16_t M2MBase::get_notification_msgid ( ) const

Returns the notification message id.

Returns: Message id.

sn_nsdl_dynamic_resource_parameters_s* M2MBase::get_nsdl_resource ( ) const

Returns the resource information.

Returns: Resource information.

void M2MBase::get_observation_token	(	uint8_t *	token,
		uint8_t &	token_length
	)		const

protected

Provides the observation token of the object.

Parameters

[out]	token	A pointer to the value of the token.
[out]	token_length	The length of the token pointer.

virtual sn_coap_hdr_s* M2MBase::handle_get_request	(	nsdl_s *	nsdl,
		sn_coap_hdr_s *	received_coap_header,
		M2MObservationHandler *	observation_handler = `NULL`
	)

virtual

Handles GET request for the registered objects.

Parameters

nsdl	An NSDL handler for the CoAP library.
received_coap_header	The received CoAP message from the server.
observation_handler	A handler object for sending observation callbacks.

Returns: sn_coap_hdr_s The message that needs to be sent to server.

Reimplemented in M2MResourceBase, M2MObjectInstance, M2MResource, and M2MObject.

void M2MBase::handle_observation	(	nsdl_s *	nsdl,
		const sn_coap_hdr_s &	received_coap_header,
		sn_coap_hdr_s &	coap_response,
		M2MObservationHandler *	observation_handler,
		sn_coap_msg_code_e &	response_code
	)

protected

Handles subscription request.

Parameters

nsdl	An NSDL handler for the CoAP library.
received_coap_header	The received CoAP message from the server.
coap_response	The CoAP response to be sent to server.
observation_handler	A handler object for sending observation callbacks.

virtual sn_coap_hdr_s* M2MBase::handle_post_request	(	nsdl_s *	nsdl,
		sn_coap_hdr_s *	received_coap_header,
		M2MObservationHandler *	observation_handler,
		bool &	execute_value_updated,
		sn_nsdl_addr_s *	address = `NULL`
	)

virtual

Handles GET request for the registered objects.

Parameters

nsdl	An NSDL handler for the CoAP library.
received_coap_header	The received CoAP message from the server.
observation_handler	A handler object for sending observation callbacks.
execute_value_updated	True executes the "value_updated" callback.

Returns: sn_coap_hdr_s The message that needs to be sent to server.

Reimplemented in M2MObjectInstance, M2MResource, and M2MObject.

virtual sn_coap_hdr_s* M2MBase::handle_put_request	(	nsdl_s *	nsdl,
		sn_coap_hdr_s *	received_coap_header,
		M2MObservationHandler *	observation_handler,
		bool &	execute_value_updated
	)

virtual

Handles PUT request for the registered objects.

Parameters

nsdl	An NSDL handler for the CoAP library.
received_coap_header	The received CoAP message from the server.
observation_handler	A handler object for sending observation callbacks.
execute_value_updated	True executes the "value_updated" callback.

Returns: sn_coap_hdr_s The message that needs to be sent to server.

Reimplemented in M2MResourceBase, M2MObjectInstance, M2MResource, and M2MObject.

uint16_t M2MBase::instance_id ( ) const

Returns the object's instance ID.

Returns: The instance ID of the object.

const char* M2MBase::interface_description ( ) const

Returns the interface description of the object.

Returns: The interface description of the object.

bool M2MBase::is_auto_observable ( ) const

Returns the auto observation status of the object.

Returns: True if observable, else false.

static bool M2MBase::is_blockwise_needed	(	const nsdl_s *	nsdl,
		uint32_t	payload_len
	)

staticprotected

Checks whether blockwise is needed to send resource value to server.

Parameters

nsdl	An NSDL handler for the CoAP library.
payload_len	Length of the CoAP payload.

Returns: True if blockwise transfer is needed, else false.

bool M2MBase::is_observable ( ) const

Returns the observation status of the object.

Returns: True if observable, else false.

bool M2MBase::is_under_observation ( ) const

Returns whether this resource is under observation or not.

Returns: True if the resource is under observation, else false,

bool M2MBase::is_value_updated_function_set ( ) const

Returns whether a callback function is set or not.

Returns: True if the callback function is set, else false.

uint32_t M2MBase::max_age ( ) const

Returns the max age for the resource value to be cached.

Returns: The maax age in seconds.

static void* M2MBase::memory_alloc ( uint32_t size )

staticprotected

Memory allocation required for libCoap.

Parameters

size	The size of memory to be reserved.

static void M2MBase::memory_free ( void * ptr )

staticprotected

Memory free functions required for libCoap.

Parameters

ptr	The object whose memory needs to be freed.

Mode M2MBase::mode ( ) const

Returns the mode of the resource.

Returns: The mode of the resource.

const char* M2MBase::name ( ) const

Returns the object name.

Returns: The name of the object.

int32_t M2MBase::name_id ( ) const

Returns the object name in integer.

Returns: The name of the object in integer.

virtual M2MObservationHandler* M2MBase::observation_handler ( ) const

pure virtual

Returns the Observation Handler object.

Returns: M2MObservationHandler object.

Implemented in M2MObjectInstance, M2MResource, M2MObject, and M2MResourceInstance.

M2MBase::Observation M2MBase::observation_level ( ) const

Returns the observation level of the object.

Returns: The observation level of the object.

uint16_t M2MBase::observation_number ( ) const

Returns the observation number.

Returns: The observation number of the object.

virtual bool M2MBase::observation_to_be_sent	(	const m2m::Vector< uint16_t > &	changed_instance_ids,
		uint16_t	obs_number,
		bool	send_object = `false`
	)

protectedvirtual

An observation callback to be sent to the server due to a change in the observed parameter.

Parameters

changed_instance_ids	A list of changed object instance IDs.
obs_number	The observation number.
send_object	Indicates whether the whole object will be sent or not.

Returns: True if the message was send, False if there is already ongoing notification.

Implements M2MReportObserver.

M2MBase::Operation M2MBase::operation ( ) const

Returns the operation type of the object.

Returns: The supported operation on the object.

bool M2MBase::register_uri ( )

Returns whether this resource is published to server or not.

Returns: True if the resource is a part of the registration message, else false.

virtual void M2MBase::remove_observation_level ( M2MBase::Observation observation_level )

virtual

Removes the observation level for the object.

Parameters

observation_level The level of observation.

Reimplemented in M2MObjectInstance, M2MResource, and M2MObject.

M2MReportHandler* M2MBase::report_handler ( ) const

protected

Returns the Report Handler object.

Returns: M2MReportHandler object.

size_t M2MBase::resource_name_length ( ) const

Returns length of the object name.

Returns: Length of the object name.

const char* M2MBase::resource_type ( ) const

Returns the resource type of the object.

Returns: The resource type of the object.

void M2MBase::set_auto_observable ( bool auto_observable )

Sets the object to be auto-observable.

Note: This is not a standard CoAP or LwM2M feature and it only works in Device Management.; You must call this before registration process, since this info must be in a registration message.; Auto-observable will take higher precedence if both observable methods are set.

Parameters

auto_observable Is auto-obs feature enabled or not.

void M2MBase::set_base_type ( M2MBase::BaseType type )

protected

Sets the base type for an object.

Parameters

type	The base type of the object.

void M2MBase::set_coap_content_type ( const uint16_t content_type )

Sets the CoAP content type of the object.

Parameters

content_type The content type to be set based on CoAP specifications.

void M2MBase::set_instance_id ( const uint16_t instance_id )

Sets the instance ID of the object.

Parameters

instance_id The instance ID of the object.

void M2MBase::set_interface_description ( const String & description )

Sets the interface description of the object.

Parameters

description The description to be set.

void M2MBase::set_interface_description ( const char * description )

Sets the interface description of the object.

Parameters

description The description to be set.

void M2MBase::set_max_age ( const uint32_t max_age )

Sets the max age for the resource value to be cached.

Parameters

max_age The max age in seconds.

bool M2MBase::set_message_delivery_status_cb	(	message_delivery_status_cb	callback,
		void *	client_args
	)

Sets the function that is executed when message state changes. Currently this is used to track notifications and delayed response delivery statuses.

Parameters

callback	The function pointer that is called.
client_args	The argument which is passed to the callback function.

bool M2MBase::set_notification_delivery_status_cb	(	notification_delivery_status_cb	callback,
		void *	client_args
	)

Sets the function that is executed when notification message state changes.

Parameters

callback	The function pointer that is called.
client_args	The argument which is passed to the callback function.

void M2MBase::set_notification_msgid ( uint16_t msgid )

Sets the notification message id. This is used to map RESET and EMPTY ACK messages.

Parameters

msgid The message id.

void M2MBase::set_observable ( bool observable )

Sets the observable mode for the object.

Parameters

observable A value for the observation.

virtual void M2MBase::set_observation_handler ( M2MObservationHandler * handler )

pure virtual

Sets the observation handler.

Parameters

handler Observation handler

Implemented in M2MObjectInstance, M2MResource, M2MObject, and M2MResourceInstance.

void M2MBase::set_observation_token	(	const uint8_t *	token,
		const uint8_t	length
	)

protected

Sets the observation token value.

Parameters

token	A pointer to the token of the resource.
length	The length of the token pointer.

void M2MBase::set_operation ( M2MBase::Operation operation )

Sets the operation type for an object.

Parameters

operation The operation to be set.

void M2MBase::set_register_uri ( bool register_uri )

Sets whether this resource is published to server or not.

Parameters

register_uri True sets the resource as part of registration message.

virtual void M2MBase::set_resource_type ( const String & resource_type )

virtual

Sets the resource type of the object.

Parameters

resource_type The resource type to be set.

virtual void M2MBase::set_resource_type ( const char * resource_type )

virtual

Sets the resource type of the object.

Parameters

resource_type The resource type to be set.

void M2MBase::set_under_observation	(	bool	observed,
		M2MObservationHandler *	handler
	)

Sets the object under observation.

Parameters

observed	The value for observation. When true, starts observing. When false, the ongoing observation is cancelled.
handler	A handler object for sending observation callbacks.

bool M2MBase::set_value_updated_function ( value_updated_callback callback )

Sets the function that is executed when this object receives a PUT or POST command.

Parameters

callback The function pointer that is called.

Returns: True, if callback could be set, false otherwise.

bool M2MBase::set_value_updated_function ( value_updated_callback2 callback )

Sets the function that is executed when this object receives a PUT or POST command.

Parameters

callback The function pointer that is called.

Returns: True, if callback could be set, false otherwise.

void M2MBase::start_observation	(	const sn_coap_hdr_s &	received_coap_header,
		M2MObservationHandler *	observation_handler
	)

protected

Start the observation.

Parameters

received_coap_header	An NSDL handler for the CoAP library.
observation_handler	A handler object for sending observation callbacks.

const char* M2MBase::uri_path ( ) const

Returns the path of the object.

Returns: The path of the object (eg. 3/0/1).

The documentation for this class was generated from the following file:

mbed-cloud-client/mbed-client/mbed-client/m2mbase.h

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