nim-codex/codex/erasure/backend.nim
Dmitriy Ryajov 0beeefd760
Repo limits (#319)
* initial implementation of repo store

* allow isManifest on multicodec

* rework with new blockstore

* add raw codec

* rework listBlocks

* remove fsstore

* reworking with repostore

* bump datastore

* fix listBlocks iterator

* adding store's common tests

* run common store tests

* remove fsstore backend tests

* bump datastore

* add `listBlocks` tests

* listBlocks filter based on block type

* disabling tests in need of rewriting

* allow passing block type

* move BlockNotFoundError definition

* fix tests

* increase default advertise loop sleep to 10 mins

* use `self`

* add cache quota functionality

* pass meta store and start repo

* add `CacheQuotaNamespace`

* pass meta store

* bump datastore to latest master

* don't use os `/` as key separator

* Added quota limits support

* tests for quota limits

* add block expiration key

* remove unnesesary space

* use idleAsync in listBlocks

* proper test name

* re-add contrlC try/except

* add storage quota and block ttl config options

* clarify comments

* change expires key format

* check for block presence before storing

* bump datastore

* use dht with fixed datastore `has`

* bump datastore to latest master

* bump dht to latest master
2022-12-02 18:00:55 -06:00

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1.0 KiB
Nim

## Nim-Codex
## Copyright (c) 2022 Status Research & Development GmbH
## Licensed under either of
## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
## * MIT license ([LICENSE-MIT](LICENSE-MIT))
## at your option.
## This file may not be copied, modified, or distributed except according to
## those terms.
import pkg/upraises
push: {.upraises: [].}
import ../stores
type
Backend* = ref object of RootObj
blockSize*: int # block size in bytes
buffers*: int # number of original pieces
parity*: int # number of redundancy pieces
EncoderBackend* = ref object of Backend
DecoderBackend* = ref object of Backend
method release*(self: Backend) {.base.} =
raiseAssert("not implemented!")
method encode*(
self: EncoderBackend,
buffers,
parity: var openArray[seq[byte]]): Result[void, cstring] {.base.} =
raiseAssert("not implemented!")
method decode*(
self: DecoderBackend,
buffers,
parity,
recovered: var openArray[seq[byte]]): Result[void, cstring] {.base.} =
raiseAssert("not implemented!")