dssgolib

A collection of Go packages for various utility functions. Zero-dependency, standard library only.

Packages

Package	Description
bitfield	Marshal/unmarshal structs with bitfields to/from bytes
brokers	Generic pub/sub broker pattern implementation
btree	In-memory B-Tree implementation
crc	CRC16/CRC32 calculations with various polynomials
debounce	Debounce utilities for rate limiting
debug	Debug utilities
digest	Digest and hashing utilities
endianness	Runtime endianness detection
filepos	File position tracking
fuzzy	Fuzzy string matching (Levenshtein distance)
i18n	Internationalization with relative date formatting
jsonc	Parse JSON with comments (JSONC)
kvcfg	Key-value config file parsing
leb128	Little-endian base 128 encoding
llrb	Left-Leaning Red-Black tree (2-3 balanced BST)
logrot	Log rotation with privilege dropping
mapx	Extended map operations
option	Functional options pattern
poolx	Generic object pooling
postgresql	PostgreSQL name quoting and keyword detection
randshort	Generate random short strings
ring	Ring buffer / circular buffer
semver	Semantic versioning parsing
set	Set and bitset data structures
sh	Shell command utilities
sysmon	Cross-platform system monitoring (processes)
tcpreader	TCP data reader with buffering
txt	Text buffer utilities
uptime	System uptime detection
utils	Common utilities (strings, math, time, slices, files, etc.)
workermanager	Worker pool management

Installation

go get github.com/dssutg/dssgolib

Requirements

• Go 1.26+

Usage

Example of using the bitfield package:

package main

import (
    "fmt"
    "github.com/dssutg/dssgolib/bitfield"
)

type Header struct {
    Version uint8  `bitfield:"4"`
    Flags   uint8  `bitfield:"4"`
    Length  uint16 `bitfield:"16"`
}

func main() {
    h := Header{Version: 1, Flags: 2, Length: 100}
    data, err := bitfield.Marshal(h)
    fmt.Printf("%x, err: %v\n", data, err)
}

License

See individual packages for license information. Main code is under various licenses (see LICENSE files in subdirectories).