抽出readMessage函数，方便对该函数单独benchmark #179

	name: Go

	on:
	push:
	pull_request:

	jobs:

	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go: [ '1.20']
	name: Go ${{ matrix.go }} sample

	steps:

	- name: Set up Go 1.20
	uses: actions/setup-go@v1
	with:
	go-version: 1.20
	id: go

	- name: Check out code into the Go module directory
	uses: actions/checkout@v1

	- name: Get dependencies
	run: \|
	go get -v -t -d ./...
	if [ -f Gopkg.toml ]; then
	curl https://raw.githubusercontent.com/golang/dep/master/install.sh \| sh
	dep ensure
	fi
	- name: Build
	run: go build -v .

	- name: Test-386
	run: env GOARCH=386 go test -test.run=Test_Retry_sleep -v
	#run: env GOARCH=386 go test -v -coverprofile='coverage.out' -covermode=count ./...

	- name: Test-Race
	run: env GOARCH=amd64 go test -v -race ./...

	- name: Test-amd64
	run: env GOARCH=amd64 go test -v -coverprofile='coverage.out' -covermode=count ./...

	- name: Upload Coverage report
	uses: codecov/codecov-action@v1
	with:
	token: ${{secrets.CODECOV_TOKEN}}
	file: ./coverage.out

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