lz4net | ultra fast compression algorithm - for all .NET platforms | Compression library

by MiloszKrajewski C# Version: 1.0.10.93 License: BSD-2-Clause

X-Ray Key Features Code Snippets Community Discussions(2)Vulnerabilities Install Support

kandi X-RAY | lz4net Summary

lz4net is a C# library typically used in Utilities, Compression applications. lz4net has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

LZ4 - ultra fast compression algorithm - for all .NET platforms

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Quality

Security

License

Reuse

Support

lz4net has a low active ecosystem.

It has 360 star(s) with 64 fork(s). There are 21 watchers for this library.

It had no major release in the last 12 months.

There are 4 open issues and 37 have been closed. On average issues are closed in 258 days. There are 1 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of lz4net is 1.0.10.93

Quality

lz4net has 0 bugs and 0 code smells.

Security

lz4net has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

lz4net code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

lz4net is licensed under the BSD-2-Clause License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

lz4net releases are available to install and integrate.

lz4net saves you 86 person hours of effort in developing the same functionality from scratch.

It has 220 lines of code, 0 functions and 60 files.

It has low code complexity. Code complexity directly impacts maintainability of the code.

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lz4net Key Features

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lz4net Examples and Code Snippets

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Community Discussions

Trending Discussions on lz4net

Decoding the LZ4 output from iOS's compression_encode_buffer

VS2013 .NET 4.51 nuget -Install CassandraCSharpDriver fails

QUESTION

Decoding the LZ4 output from iOS's compression_encode_buffer

Asked 2017-Apr-10 at 11:57

I've got an iOS app compressing a bunch of small chunks of data. I use compression_encode_buffer running in LZ4 mode to do it so that it is fast enough for my needs.

Later, I take the file[s] I made and decode them on a non-Apple device. Previously I'd been using their ZLIB compression mode and could successfully decode it in C# with System.IO.Compression.DeflateStream.

However, I'm having a hell of a time with the LZ4 output. Based on the LZ4 docs here, Apple breaks the stream into a bunch of blocks, each starting with a 4-byte magic number, 4-byte decompressed size, and 4-byte compressed size. All that makes sense, and I'm able to parse the file into its consituent raw-LZ4 chunks. Each chunk in the buffer iOS outputs decompresses to about 65,635 bytes, and there's about 10 of them in my case.

But then: I have no idea what to DO with the LZ4 chunks I'm left with. I've tried decoding them with LZ4net's LZ4.LZ4Stream, LZ4net's LZ4.LZ4Codec (it manages the first block, but then fails when I feed in the 2nd one). I've also tried several C++ libraries to decode the data. Each of them seem to be looking for a header that the iOS compression functions have encoded in a non-standard way.

...

ANSWER

Answered 2017-Apr-10 at 11:57

Answering my own: Apple's LZ4 decompressor (with necessary modifications to handle their raw storage format) is here: https://opensource.apple.com/source/xnu/xnu-3789.21.4/osfmk/vm/lz4.c.auto.html

Edit afterwards: I actually wasn't able to get this working, but I didn't spend much time on it because I found Apple's LZFSE decompressor.

LZFSE Decompressor can be found here: https://github.com/lzfse/lzfse

Source https://stackoverflow.com/questions/42755614

QUESTION

VS2013 .NET 4.51 nuget -Install CassandraCSharpDriver fails

Asked 2017-Apr-07 at 18:26

My goal is to write a C# program to test with Cassandra database.

In VS2013, I've tried .NET 4.51, 4.5, 4.0, and even 3.5. With 4.5 this is the error I get:

PM> Install-Package CassandraCSharpDriver Attempting to resolve dependency 'lz4net (≥ 1.0.10.93)'. Attempting to resolve dependency 'Microsoft.Extensions.Logging (≥ 1.0.0)'. Attempting to resolve dependency 'Microsoft.Extensions.Logging.Abstractions (≥ 1.0.0)'. Installing 'lz4net 1.0.15.93'. Successfully installed 'lz4net 1.0.15.93'. Installing 'Microsoft.Extensions.Logging 1.0.2'. You are downloading Microsoft.Extensions.Logging from Microsoft.Extensions.Logging, the license agreement to which is available at http://www.microsoft.com/web/webpi/eula/net_library_eula_enu.htm. Check the package for additional dependencies, which may come with their own license agreement(s). Your use of the package and dependencies constitutes your acceptance of their license agreements. If you do not accept the license agreement(s), then delete the relevant components from your device. Successfully installed 'Microsoft.Extensions.Logging 1.0.2'. Installing 'Microsoft.Extensions.Logging.Abstractions 1.0.2'. You are downloading Microsoft.Extensions.Logging.Abstractions from Microsoft.Extensions.Logging.Abstractions, the license agreement to which is available at http://www.microsoft.com/web/webpi/eula/net_library_eula_enu.htm. Check the package for additional dependencies, which may come with their own license agreement(s). Your use of the package and dependencies constitutes your acceptance of their license agreements. If you do not accept the license agreement(s), then delete the relevant components from your device. Successfully installed 'Microsoft.Extensions.Logging.Abstractions 1.0.2'. Installing 'CassandraCSharpDriver 3.2.1'. Successfully installed 'CassandraCSharpDriver 3.2.1'. Adding 'lz4net 1.0.15.93' to CassandraTester. Successfully added 'lz4net 1.0.15.93' to CassandraTester. Adding 'Microsoft.Extensions.Logging 1.0.2' to CassandraTester. Uninstalling 'Microsoft.Extensions.Logging 1.0.2'. Successfully uninstalled 'Microsoft.Extensions.Logging 1.0.2'. Uninstalling 'lz4net 1.0.15.93'. Successfully uninstalled 'lz4net 1.0.15.93'. Install failed. Rolling back... Install-Package : Could not install package 'Microsoft.Extensions.Logging 1.0.2'. You are trying to install this package into a project that targets '.NETFramework,Version=v4.5', but the package does not contain any assembly references or content files that are compatible with that framework. For more information, contact the package author. At line:1 char:1 + Install-Package CassandraCSharpDriver + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [Install-Package], InvalidOperationException + FullyQualifiedErrorId : NuGetCmdletUnhandledException,NuGet.PowerShell.Commands.InstallPackageCommand

PM>

...

ANSWER

Answered 2017-Apr-07 at 18:26

So far my get-around has been to go back to a prior version:

Install-Package CassandraCSharpDriver -Version 3.1.0

I found the version history here: https://www.nuget.org/packages/CassandraCSharpDriver

At least it installed now.

Source https://stackoverflow.com/questions/43284549

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