增强Protocol类型的String方法以支持字符串表示，更新Responser以打印协议类型信息，并在Send方法中添加数据包大小限制警告 #9

	# This workflow will build a golang project
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go

	name: build_test

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	jobs:

	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: '1.23'

	- name: Get dependencies
	run: \|
	sudo apt install -y libpcap-dev
	go get -v

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

	- name: Test
	run: go test -v ./...

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