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author | dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> | 2022-01-28 23:48:40 +0100 |
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committer | GitHub <noreply@github.com> | 2022-01-28 23:48:40 +0100 |
commit | 5a1fd7daddbb07b93e3611d023ea48e1991fc0c6 (patch) | |
tree | e592a99163702c4c6214c9519a7983fa58fab13c /vendor/github.com/klauspost/compress/zstd/decoder_options.go | |
parent | ac06a268096285a9f795bd19df950075a930c9d6 (diff) | |
download | matterbridge-msglm-5a1fd7daddbb07b93e3611d023ea48e1991fc0c6.tar.gz matterbridge-msglm-5a1fd7daddbb07b93e3611d023ea48e1991fc0c6.tar.bz2 matterbridge-msglm-5a1fd7daddbb07b93e3611d023ea48e1991fc0c6.zip |
Bump github.com/SevereCloud/vksdk/v2 from 2.11.0 to 2.13.0 (#1698)
Bumps [github.com/SevereCloud/vksdk/v2](https://github.com/SevereCloud/vksdk) from 2.11.0 to 2.13.0.
- [Release notes](https://github.com/SevereCloud/vksdk/releases)
- [Commits](https://github.com/SevereCloud/vksdk/compare/v2.11.0...v2.13.0)
---
updated-dependencies:
- dependency-name: github.com/SevereCloud/vksdk/v2
dependency-type: direct:production
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Diffstat (limited to 'vendor/github.com/klauspost/compress/zstd/decoder_options.go')
-rw-r--r-- | vendor/github.com/klauspost/compress/zstd/decoder_options.go | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/vendor/github.com/klauspost/compress/zstd/decoder_options.go b/vendor/github.com/klauspost/compress/zstd/decoder_options.go new file mode 100644 index 00000000..95cc9b8b --- /dev/null +++ b/vendor/github.com/klauspost/compress/zstd/decoder_options.go @@ -0,0 +1,102 @@ +// Copyright 2019+ Klaus Post. All rights reserved. +// License information can be found in the LICENSE file. +// Based on work by Yann Collet, released under BSD License. + +package zstd + +import ( + "errors" + "runtime" +) + +// DOption is an option for creating a decoder. +type DOption func(*decoderOptions) error + +// options retains accumulated state of multiple options. +type decoderOptions struct { + lowMem bool + concurrent int + maxDecodedSize uint64 + maxWindowSize uint64 + dicts []dict +} + +func (o *decoderOptions) setDefault() { + *o = decoderOptions{ + // use less ram: true for now, but may change. + lowMem: true, + concurrent: runtime.GOMAXPROCS(0), + maxWindowSize: MaxWindowSize, + } + o.maxDecodedSize = 1 << 63 +} + +// WithDecoderLowmem will set whether to use a lower amount of memory, +// but possibly have to allocate more while running. +func WithDecoderLowmem(b bool) DOption { + return func(o *decoderOptions) error { o.lowMem = b; return nil } +} + +// WithDecoderConcurrency will set the concurrency, +// meaning the maximum number of decoders to run concurrently. +// The value supplied must be at least 1. +// By default this will be set to GOMAXPROCS. +func WithDecoderConcurrency(n int) DOption { + return func(o *decoderOptions) error { + if n <= 0 { + return errors.New("concurrency must be at least 1") + } + o.concurrent = n + return nil + } +} + +// WithDecoderMaxMemory allows to set a maximum decoded size for in-memory +// non-streaming operations or maximum window size for streaming operations. +// This can be used to control memory usage of potentially hostile content. +// Maximum and default is 1 << 63 bytes. +func WithDecoderMaxMemory(n uint64) DOption { + return func(o *decoderOptions) error { + if n == 0 { + return errors.New("WithDecoderMaxMemory must be at least 1") + } + if n > 1<<63 { + return errors.New("WithDecoderMaxmemory must be less than 1 << 63") + } + o.maxDecodedSize = n + return nil + } +} + +// WithDecoderDicts allows to register one or more dictionaries for the decoder. +// If several dictionaries with the same ID is provided the last one will be used. +func WithDecoderDicts(dicts ...[]byte) DOption { + return func(o *decoderOptions) error { + for _, b := range dicts { + d, err := loadDict(b) + if err != nil { + return err + } + o.dicts = append(o.dicts, *d) + } + return nil + } +} + +// WithDecoderMaxWindow allows to set a maximum window size for decodes. +// This allows rejecting packets that will cause big memory usage. +// The Decoder will likely allocate more memory based on the WithDecoderLowmem setting. +// If WithDecoderMaxMemory is set to a lower value, that will be used. +// Default is 512MB, Maximum is ~3.75 TB as per zstandard spec. +func WithDecoderMaxWindow(size uint64) DOption { + return func(o *decoderOptions) error { + if size < MinWindowSize { + return errors.New("WithMaxWindowSize must be at least 1KB, 1024 bytes") + } + if size > (1<<41)+7*(1<<38) { + return errors.New("WithMaxWindowSize must be less than (1<<41) + 7*(1<<38) ~ 3.75TB") + } + o.maxWindowSize = size + return nil + } +} |