nim-dagger/tests/codex/helpers/randomchunker.nim

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Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
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import std/sequtils
import pkg/chronos
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import pkg/codex/chunker
import pkg/codex/rng
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
export chunker
type
RandomChunker* = Chunker
proc new*(
T: type RandomChunker,
rng: Rng,
chunkSize = DefaultChunkSize,
size: int,
pad = false): T =
## create a chunker that produces
## random data
##
var consumed = 0
proc reader(data: ChunkBuffer, len: int): Future[int]
{.async, gcsafe, raises: [Defect].} =
var alpha = toSeq(byte('A')..byte('z'))
if consumed >= size:
return 0
var read = 0
while read < len:
rng.shuffle(alpha)
for a in alpha:
if read >= len:
break
data[read] = a
read.inc
consumed += read
return read
Chunker.new(
reader = reader,
pad = pad,
chunkSize = chunkSize)