refactor: modularize UDP connection handling #400

	name: Build and Test

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	permissions: # added using https://github.com/step-security/secure-workflows
	contents: read

	jobs:

	build:
	name: Build
	runs-on: ubuntu-latest
	steps:

	- name: Check out code into the Go module directory
	uses: actions/checkout@v3

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version-file: '${{ github.workspace }}/go.mod'

	- name: Get dependencies
	run: \|
	# Download GeoIP test data from MaxMind
	git submodule update --init

	- name: Build
	run: go build -v ./...

	- name: Test
	run: go test -race -benchmem -bench=. ./... -benchtime=100ms

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