TagV2 object

Typedefs
typedef struct tag_	tag
	Tag instance.
typedef void(*	on_tag )(tag *self, const char *equipment_name, const char *tag_name, value_t *value, value_type_t value_type, const char *unit, const char *time)
	Subscribe to callback function. More...

Functions
tag *	tag_new ()
	Create a tag. More...
void	tag_delete (tag *self)
	Delete a tag instance. More...
int	tag_publish (tag *self, const char *equipment_name, const char *tag_name, value_t *value, value_type_t value_type, const char *unit, const char *time)
	Publish a tag. More...
int	tag_subscribe (tag *self, const char *equipment_name, const char *tag_name)
	Subscribe to a tag. More...
int	tag_unsubscribe (tag *self, const char *equipment_name, const char *tag_name)
	Unsubscribe from a tag. More...
int	tag_subscribe_callback (tag *self, on_tag)
	Set the subscribe-callback function. More...

Detailed Description

Typedef Documentation

typedef void(* on_tag)(tag *self,const char *equipment_name,const char *tag_name,value_t *value,value_type_t value_type,const char *unit,const char *time)

Subscribe to callback function.

See also

tag_subscribe()
tag_subscribe_callback()

Function Documentation

void tag_delete

(

tag *

self

)

Delete a tag instance.

See also

tag_new()

Parameters

[in]

self

Instance to be deleted

tag* tag_new

(

)

Create a tag.

Returns

Return tag instance.
Return NULL on failure.

See also

tag_delete()

int tag_publish	(	tag *	self,
		const char *	equipment_name,
		const char *	tag_name,
		value_t *	value,
		value_type_t	value_type,
		const char *	unit,
		const char *	time
	)

Publish a tag.

Returns

Return 0 on success.
Return -1 on failure.

See also

tag_subscribe()

Parameters

[in]	self	tag instance
[in]	equipment_name	Equipment Name
[in]	tag_name	Tag Name
[in]	value	Value
[in]	value_type	Value Type
[in]	unit	Unit
[in]	time	Timestamp

int tag_subscribe	(	tag *	self,
		const char *	equipment_name,
		const char *	tag_name
	)

Subscribe to a tag.

Returns

Return 0 on success.
Returne -1 on failure.

See also

tag_publish()
tag_unsubscribe()
tag_subscribe_callback()

Parameters

[in]	self	tag instance
[in]	equipment_name	Equipment Name
[in]	tag_name	Tag Name

int tag_subscribe_callback	(	tag *	self,
		on_tag
	)

Set the subscribe-callback function.

Returns

Return 0 on success.
Return -1 on failure.

See also

tag_subscribe()

Parameters

[in]

self

Tag instance

int tag_unsubscribe	(	tag *	self,
		const char *	equipment_name,
		const char *	tag_name
	)

Unsubscribe from a tag.

Returns

Return 0 on success.
Return -1 on failure.

See also

tag_subscribe()

Parameters

[in]	self	tag instance
[in]	equipment_name	Equipment Name
[in]	tag_name	Tag Name