feat: create async gem sample

.github/workflows/docker.yml

@@ -11,6 +11,43 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  test-async:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        container:
+          - 'ubuntu-20.04'
+          - 'alpine-3.17'
+        package_ruby_ver:
+          - '3.2.5'
+    container:
+      image: ghcr.io/tamatebako/tebako-${{ matrix.container }}:latest
+    steps:
+    - name: Install curl/procps
+      run: |
+        if  [ -e "/etc/lsb-release" ]; then
+          apt-get -y update
+          apt-get -y install curl procps
+        elif [ -e "/etc/alpine-release" ]; then
+          apk --no-cache --upgrade add curl procps
+        fi
+
+    - name: Checkout sample
+      uses: actions/checkout@v4
+
+    - name: Package
+      run: tebako press -e binance.rb -o binance.tebako -r async -R ${{ matrix.package_ruby_ver }}
+
+    - name: Start packaged application
+      run: ./binance.tebako &
+
+    - name: Wait for the application to start and do some work
+      run: sleep 10
+
+    - name: End application
+      run: pkill -f binance.tebako
+
   test-sinatra:
     runs-on: ubuntu-latest
     strategy:

.github/workflows/macos.yml

@@ -11,6 +11,41 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  test-async:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ macos-13, macos-14 ]
+    steps:
+    - name: Select XCode
+      uses: maxim-lobanov/setup-xcode@v1
+      with:
+        xcode-version: 15.0.1
+
+    - name: Brew install
+      run: |
+         brew install bison flex binutils libffi double-conversion boost jemalloc fmt glog gnu-sed bash zlib ncurses
+         echo "$(brew --prefix bison)/bin" >> $GITHUB_PATH
+
+    - name: Install gem
+      run: gem install tebako
+
+    - name: Checkout sample
+      uses: actions/checkout@v4
+
+    - name: Package
+      run: tebako press -e binance.rb -o binance.tebako -r async
+
+    - name: Start packaged application
+      run: ./async.tebako &
+
+    - name: Wait for app to start and do some work
+      run: sleep 10
+
+    - name: End application
+      run: pkill -f async.tebako
+
   test-sinatra:
     runs-on: ${{ matrix.os }}
     strategy:

async/Gemfile

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+gem "async"
+gem "async-http"
+gem "async-websocket"

async/binance.rb

@@ -0,0 +1,21 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+# Released under the MIT License.
+# Copyright, 2021-2024, by Samuel Williams.
+
+require "async"
+require "async/http"
+require "async/websocket"
+
+URL = "wss://stream.binance.com:9443/ws/btcusdt@bookTicker"
+
+Async do |task|
+	endpoint = Async::HTTP::Endpoint.parse(URL, alpn_protocols: Async::HTTP::Protocol::HTTP11.names)
+
+	Async::WebSocket::Client.connect(endpoint) do |connection|
+		while message = connection.read
+			$stdout.puts message.parse
+		end
+	end
+end