CocoTable Class Reference

CocoTable. More...

#include <CocoTable.h>

Public Member Functions
int8_t	insertRequest (Request *req)
	Used to insert a request into the CocoTable, so that it can be applied to the desired Resource Nodes.
int8_t	removeRequest (Request *req)
	Used to untune a previously issued Tune Request.
int8_t	updateRequest (Request *req, int64_t duration)
	Used to update the duration of an Active Request.

Private Attributes
std::vector< std::vector< std::pair< CocoNode *, CocoNode * > > >	mCocoTable
	The main data structure which is a 2D vector. It stores entries for each resource and each entry stores a priority vector. For each resource, for each priority, you store a head (second) and tail (first) pointers to store a linked list in memory.
std::vector< int32_t >	mCurrentlyAppliedPriority
	Data structure storing the c2urrently applied priority for each resource. It is referred to whenever a new request comes in.

Detailed Description

CocoTable.

Concurrency Coordinator, synchronizes and orders the different requests for the a Resource with respect to the Resource Policy and Request Priorities. The actual resource applier, teardown callbacks are invoked through the CocoTable.

Definition at line 90 of file CocoTable.h.

Member Function Documentation

insertRequest()

int8_t CocoTable::insertRequest

(

Request *

req

)

Used to insert a request into the CocoTable, so that it can be applied to the desired Resource Nodes.

As part of this routine, CocoNodes are allocated for each Resource part of the Request, as well as creating and starting the timer, and finally inserting the request to the appropriate Resource level Linked Lists.

Parameters

req	A pointer to the Request to be inserted

Returns

int8_t:

• 1: If the Request was inserted successfully into the CocoTable
• 0: Otherwise

removeRequest()

int8_t CocoTable::removeRequest

(

Request *

req

)

Used to untune a previously issued Tune Request.

This routine is invoked when an untune request is received, as part of the routine, the Request Timer for the corresponding Tune Request will be killed, and subsequently the Tune request will be cleaned up from the Resource Level Linked Lists.

Parameters

req	A pointer to the Request to be removed

Returns

int8_t:

• 1: If the Request was Removed successfully from the CocoTable
• 0: Otherwise

updateRequest()

int8_t CocoTable::updateRequest	(	Request *	req,
		int64_t	duration
	)

Used to update the duration of an Active Request.

This routine is invoked when a retune request is received, to modify the duration of a previously issued Tune Request. Note, only extending the duration is allowed.

Parameters

req	A pointer to the Request to be modified
duration	The new duration of the request

Returns

int8_t:

• 1: If the Request was updated successfully insider the CocoTable
• 0: Otherwise

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

• Core/Framework/Include/CocoTable.h