dragon.globalservices.pool

Global Services API for the Managed Memory Pools and Allocations primary resource component.

The current API only manages memory pools, future versions will also contain methods to track allocations.

Functions

create(size[, user_name, options, soft])

Asks Global Services to create a new memory pool

destroy(identifier)

Asks Global Services to destroy a specified pool.

get_list()

Asks Global Services for a list of the m_uids of all memory pools.

query(identifier)

Asks Global Services for the PoolDescriptor of a specified memory pool

Exceptions

PoolError

exception PoolError

Bases: Exception

create(size, user_name='', options=None, soft=False)

Asks Global Services to create a new memory pool

Parameters:
  • size – size of memory pool to create

  • user_name – Requested user specified reference name

  • options – PoolOptions object, what options to apply to creation

  • soft – If pool already exists with given name, do not create and return descriptor instead.

Returns:

PoolDescriptor object

get_list()

Asks Global Services for a list of the m_uids of all memory pools.

TODO: add some options to this, and to the message itself, to have a finer control over which pools you get back. Deferring until we have a use case

Returns:

list of the m_uids of all currently existing memory pools

query(identifier)

Asks Global Services for the PoolDescriptor of a specified memory pool

Note you can only query currently existing pools.

Parameters:

identifier – string indicating pool name or integer indicating a m_uid

Returns:

PoolDescriptor object corresponding to specified pool

Raises:

PoolError if there is no such pool

destroy(identifier)

Asks Global Services to destroy a specified pool.

TODO: figure out the semantics on this. Do we want to throw an error from GS if there are any channels in that pool currently?

Parameters:

identifier – string indicating pool name or integer indicating a m_uid

Returns:

Nothing if successful

Raises:

PoolError if there is no such pool