Add support for generating native libraries for Linux and macOS aarch64 platforms (fixes #46).

.github/workflows/build-and-release-package.yml

@@ -6,32 +6,63 @@ env:
 on:
   pull_request:
     paths:
-      - ".github/actions/native-lib-build/action.yml"
       - ".github/workflows/build-and-release-package.yml"
       - ".gitmodules"
       - "assembly-lib.xml"
       - "assembly-package.xml"
       - "CMakeLists.txt"
       - "pom.xml"
       - "src/**/*"
+      - "tools/scripts/ubuntu-focal/install-deps-and-build-native-lib.sh"
   push:
     paths:
-      - ".github/actions/native-lib-build/action.yml"
       - ".github/workflows/build-and-release-package.yml"
       - ".gitmodules"
       - "assembly-lib.xml"
       - "assembly-package.xml"
       - "CMakeLists.txt"
       - "pom.xml"
       - "src/**/*"
+      - "tools/scripts/ubuntu-focal/install-deps-and-build-native-lib.sh"
   workflow_dispatch:
 
 # Concurrency group to prevent multiple workflow instances from trying to publish releases
 concurrency: "${{github.workflow}}-${{github.ref}}"
 
 jobs:
+  build-lib-for-linux-aarch64:
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/checkout@v4"
+        with:
+          submodules: "recursive"
+
+      - uses: "docker/setup-qemu-action@v3"
+        with:
+          platforms: "arm64"
+
+      - name: "Build native library for Linux aarch64"
+        run: >-
+          docker run
+          --rm
+          --platform linux/arm64
+          --mount type=bind,source=${{ github.workspace }},target=/mnt/clp
+          --workdir /mnt/clp
+          eclipse-temurin:11-jdk-focal
+          ./tools/scripts/ubuntu-focal/install-deps-and-build-native-lib.sh
+
+      - uses: "actions/upload-artifact@v4"
+        with:
+          name: "libclp-ffi-java-linux-aarch64"
+          path: "${{github.workspace}}/target/clp-ffi-*-native-lib/"
+          if-no-files-found: "error"
+          retention-days: 1
+
   build-lib-for-macos:
-    runs-on: "macos-latest"
+    strategy:
+      matrix:
+        runner: ["macos-13", "macos-14"]
+    runs-on: "${{ matrix.runner }}"
     steps:
       - uses: "actions/checkout@v4"
         with:
@@ -41,18 +72,22 @@ jobs:
         run: "brew install cmake gcc java${{env.JAVA_VERSION}} maven"
 
       - name: "Build native library for MacOS"
-        id: "build"
-        uses: "./.github/actions/native-lib-build"
+        run: "mvn --batch-mode generate-resources validate assembly:single@assemble-lib-dir"
 
       - uses: "actions/upload-artifact@v4"
         with:
-          name: "libclp-ffi-java-macos"
-          path: "${{github.workspace}}/clp-ffi-*-native-lib/"
+          name: >-
+            ${{ matrix.runner == 'macos-13'
+            && 'libclp-ffi-java-macos-amd64'
+            || 'libclp-ffi-java-macos-aarch64' }}
+          path: "${{github.workspace}}/target/clp-ffi-*-native-lib/"
           if-no-files-found: "error"
           retention-days: 1
 
   build-and-release:
-    needs: "build-lib-for-macos"
+    needs:
+      - "build-lib-for-linux-aarch64"
+      - "build-lib-for-macos"
     runs-on: "ubuntu-20.04"
     permissions:
       contents: "read"
@@ -87,13 +122,22 @@ jobs:
           sudo apt update
           sudo apt install -y build-essential cmake
 
-      - name: "Build, run tests, and package"
-        run: "mvn --batch-mode test package"
+      - name: "Build, and run tests"
+        run: "mvn --batch-mode test"
+
+      - uses: "actions/download-artifact@v4"
+        with:
+          name: "libclp-ffi-java-linux-aarch64"
+          path: "./target/."
 
       - uses: "actions/download-artifact@v4"
         with:
-          name: "libclp-ffi-java-macos"
+          pattern: "libclp-ffi-java-macos-*"
           path: "./target/."
+          merge-multiple: true
+
+      - name: "Build package"
+        run: "mvn --batch-mode package -DskipTests"
 
       - if: "github.event_name != 'pull_request' && github.ref == 'refs/heads/main'"
         name: "Deploy to GitHub Packages"
@@ -108,3 +152,10 @@ jobs:
           MAVEN_USERNAME: "${{secrets.OSSRH_USERNAME}}"
           MAVEN_PASSWORD: "${{secrets.OSSRH_TOKEN}}"
           MAVEN_GPG_PASSPHRASE: "${{secrets.GPG_PASSPHRASE}}"
+
+      - uses: "actions/upload-artifact@v4"
+        with:
+          name: "clp-ffi-java"
+          path: "${{github.workspace}}/target/clp-ffi-*.jar"
+          if-no-files-found: "error"
+          retention-days: 1

README.md

@@ -46,11 +46,21 @@ task native-lib
 
 # Testing
 
-Run tests:
+Run all tests:
 ```shell
 task test
 ```
 
+Run unit tests:
+```shell
+task unit-tests
+```
+
+Run integration tests:
+```shell
+task integration-tests
+```
+
 # Linting
 
 Before submitting a PR, ensure you've run our linting tools and either fixed any violations or

Taskfile.yml

@@ -6,6 +6,8 @@ includes:
 vars:
   G_BUILD_DIR: "{{.ROOT_DIR}}/target"
   G_LINT_VENV_DIR: "{{.G_BUILD_DIR}}/lint-venv"
+  G_PROJECT_VERSION:
+    sh: "mvn help:evaluate -Dexpression=project.version -q -DforceStdout"
 
 tasks:
   default:
@@ -23,7 +25,27 @@ tasks:
     # NOTE: `validate` is necessary to remove spaces from the OS name
     cmd: "mvn generate-resources validate assembly:single@assemble-lib-dir"
 
-  test: "mvn test"
+  test:
+    cmds:
+      - task: "unit-tests"
+      - task: "integration-tests"
+
+  integration-tests:
+    env:
+      # Use a local directory for the Maven repo so that we can install the jar (for the integration
+      # tests to use) without affecting the user's environment.
+      # NOTE: Maven doesn't strip quotes around the value, but treats everything on the right hand
+      # side of the equals sign as the value; so we don't need to quote the path.
+      MAVEN_OPTS: "-Dmaven.repo.local={{.G_BUILD_DIR}}/repo"
+    cmds:
+      # NOTE: Since we're using a custom repo-directory, this will end up rebuilding the package.
+      - "mvn install -DskipTests"
+      - |-
+        cd "integration-tests/jar-load-native-lib"
+        mvn compile
+        mvn exec:java -Dexec.mainClass="com.yscope.clp.Main"
+
+  unit-tests: "mvn test"
 
   lint:
     deps: ["lint-venv"]

integration-tests/jar-load-native-lib/pom.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.yscope.clp</groupId>
+    <artifactId>jar-load-native-lib</artifactId>
+    <version>0.1.0</version>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.yscope.clp</groupId>
+            <artifactId>clp-ffi</artifactId>
+            <version>0.4-SNAPSHOT</version>
+        </dependency>
+    </dependencies>
+</project>

integration-tests/jar-load-native-lib/src/main/java/com/yscope/clp/Main.java

@@ -0,0 +1,26 @@
+package com.yscope.clp;
+
+import com.yscope.clp.compressorfrontend.BuiltInVariableHandlingRuleVersions;
+import com.yscope.clp.compressorfrontend.EncodedMessage;
+import com.yscope.clp.compressorfrontend.MessageEncoder;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+
+public class Main {
+    public static void main(String[] args) {
+        // To trigger loading the native library, we encode a message and print its logtype
+        MessageEncoder messageEncoder = new MessageEncoder(
+                BuiltInVariableHandlingRuleVersions.VariablesSchemaV2,
+                BuiltInVariableHandlingRuleVersions.VariableEncodingMethodsV1
+        );
+        EncodedMessage encodedMessage = new EncodedMessage();
+        try {
+            String message = "Static text, dictVar1, 123, 456.7, dictVar2, 987, 654.3";
+            messageEncoder.encodeMessage(message, encodedMessage);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        System.out.println(new String(encodedMessage.logtype, StandardCharsets.ISO_8859_1));
+    }
+}

tools/scripts/ubuntu-focal/install-deps-and-build-native-lib.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+# Exit on error
+set -e
+
+script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+project_dir="${script_dir}/../../../"
+
+apt-get update
+DEBIAN_FRONTEND=noninteractive apt-get install -y build-essential cmake maven
+
+cd "$project_dir"
+mvn --batch-mode generate-resources validate assembly:single@assemble-lib-dir