【Jacoco】多服务exec文件采集、合并、下载实现

服务关系

代码覆盖率数据采集服务
负责和提供数据的目标服务交互，目标服务启动时，指定jacoco-server的相关参数，server端会为每个目标服务启动一个socket线程，持续接收数据流，并形成exec文件，保存至服务器硬盘。
jacoco文件下载服务
负责和jacoco-client交互，建立socket连接，将服务器硬盘中的所有exec文件合并并写入流中。
jacoco相关服务关系图

代码

服务端

• pom.xml

<?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>io.thelen.jacoco.example</groupId>
    <artifactId>citylife-jacoco-tcpserver</artifactId>
    <version>1.0-SNAPSHOT</version>
	<properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-shade-plugin</artifactId>
                <version>3.2.1</version>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals>
                            <goal>shade</goal>
                        </goals>
                        <configuration>
                            <transformers>
                                <transformer
                                        implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                    <mainClass>org.jacoco.examples.JacocoServer</mainClass>
                                </transformer>
                            </transformers>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

    <dependencies>
        <dependency>
            <groupId>org.jacoco</groupId>
            <artifactId>org.jacoco.core</artifactId>
            <version>0.7.9</version>
        </dependency>
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.6</version>
            <scope>compile</scope>
        </dependency>
        <dependency>
            <groupId>commons-cli</groupId>
            <artifactId>commons-cli</artifactId>
            <version>1.4</version>
        </dependency>
    </dependencies>
</project>

• Lock工具类

package org.jacoco.utils;

import java.io.Closeable;
import java.util.concurrent.locks.Lock;

/**
 * 自动锁工具类
 * 
 * @author yongsong.li
 */
public class AutoUnlockUtils implements Closeable {
   

  private final Lock lock;

  public AutoUnlockUtils(Lock lock) {
   
    this.lock = lock;
  }

  public void lock() {
   
    lock.lock();
  }

  @Override
  public void close() {
   
    lock.unlock();
  }
}

• JacocoServer 主函数

package org.jacoco.examples;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;

/**
 * Jacoco-tcp-server
 *  * @author yongsong.li
 */
public class JacocoServer {
   

  public static void main(String[] args) throws ParseException {
   
    // 创建commons-option参数映射表
    CommandLineParser commandLineParser = new DefaultParser();
    Options options = new Options()