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class:: ContiguousBlockAllocator
summary:: for better handling of dynamic allocation
related:: Classes/Server, Classes/PowerOfTwoAllocator, Guides/MultiClient_Setups
categories:: Control
description::
The default allocator used in servers to allocate bus numbers and buffer numbers. Compared to its predecessor, link::Classes/PowerOfTwoAllocator::, it can reserve a block of numbers at the beginning of its range, and it can offset its entire range of numbers to support multiple clientIDs.
ClassMethods::
method::new
Create a new allocator with emphasis::size:: slots. You may block off the first emphasis::pos:: slots (the server's audioBusAllocator does this to reserve the hardware input and output buses).
InstanceMethods::
private::prReserve, prSplit, addToFreed, blocks, findAvailable, findNext, findPrevious, removeFromFreed
method::size
the number of id numbers it can allocate
method::pos
the allocator's offset for a reserved block (e.g. for hardware input and output buses).
method::addrOffset
the offset of the allocator's address range, which is used to accomodate multiple clientIDs.
method::alloc
Return the starting index of a free block that is emphasis::n:: slots wide. The default is 1 slot.
method::free
Free a previously allocated block starting at emphasis::address::.
method::reserve
Mark a specific range of addresses as used so that the alloc method will not return any addresses within that range.
method::debug
post internal state of allocator for debugging.
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