refactor: use input arguments to parse lib home

.github/workflows/test.yml

@@ -133,6 +133,7 @@ jobs:
       - name: Execute spring-boot-demo.jar
         run: |
           dir
+
           Start-Process java `
             "-javaagent:C:\runner\spring-startup-analyzer\lib\spring-profiler-agent.jar", `
             "-Dproject.name=generic-windows-x64-demo", `
@@ -272,7 +273,7 @@ jobs:
           -Dspring-startup-analyzer.admin.http.server.port=8066 \
           -jar /home/runner/spring-startup-analyzer/spring-boot-demo.jar &
 
-          sleep 600
+          sleep 800
 
           file_count=$(ls -al /home/runner/spring-startup-analyzer/output/ | grep -c "alpine-linux-arm64-demo")
           if [ "$file_count" -eq 2 ]; then

spring-profiler-agent/src/main/java/io/github/linyimin0812/profiler/agent/ProfilerAgentBoostrap.java

@@ -14,12 +14,16 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
+import java.lang.management.ManagementFactory;
+import java.lang.management.RuntimeMXBean;
+
 /**
  * @author linyimin
  **/
 public class ProfilerAgentBoostrap {
 
     private static final String BRIDGE_JAR = "spring-profiler-bridge.jar";
+    private static final String AGENT_JAR = "spring-profiler-agent.jar";
 
     private static final Logger logger = Logger.getLogger(ProfilerAgentBoostrap.class.getSimpleName());
     private static final String LIB_HOME = getLibHome();
@@ -29,6 +33,8 @@ public static void premain(String args, Instrumentation instrumentation) {
 
         logger.info("command args: " + args);
 
+        System.out.println("premain LibHome: " + LIB_HOME);
+
         // bridge.jar
         File spyJarFile = new File(LIB_HOME + BRIDGE_JAR);
         if (!spyJarFile.exists()) {
@@ -85,7 +91,7 @@ private static List<URL> getJars(String path) throws MalformedURLException {
             throw new IllegalStateException(path + " is not exit.");
         }
 
-        File[] files = folder.listFiles(file -> !file.getName().contains(BRIDGE_JAR) && file.isFile() && file.getName().endsWith("jar"));
+        File[] files = folder.listFiles(file ->  file.isFile() && file.getName().endsWith("jar") && !file.getName().contains(BRIDGE_JAR) && !file.getName().contains(AGENT_JAR));
 
         if (files == null) {
             throw new IllegalStateException(path + " does not contain any jar files.");
@@ -101,18 +107,24 @@ private static List<URL> getJars(String path) throws MalformedURLException {
 
     private static String getLibHome() {
 
-        String currentFilePath = ProfilerAgentBoostrap.class.getProtectionDomain()
-                .getCodeSource()
-                .getLocation()
-                .getPath();
-
-        File file = new File(currentFilePath);
-
-        if (!file.exists()) {
-            return System.getProperty("user.home") + File.separator + "spring-startup-analyzer" + File.separator;
+        RuntimeMXBean bean = ManagementFactory.getRuntimeMXBean();
+        List<String> jvmArgs = bean.getInputArguments();
+
+        for (String jvmArg : jvmArgs) {
+
+            int index= jvmArg.indexOf(":");
+            if (index + 1 >= jvmArg.length()) {
+                continue;
+            }
+
+            String value = jvmArg.substring(index + 1);
+
+            if (value.endsWith(AGENT_JAR)) {
+                return value.substring(0, value.lastIndexOf(File.separator) + 1);
+            }
         }
 
-        return file.getParent() + File.separator;
+        return System.getProperty("user.home") + File.separator + "spring-startup-analyzer" + File.separator + "lib" + File.separator;
 
     }
 

spring-profiler-extension/src/main/java/io/github/linyimin0812/profiler/extension/enhance/invoke/InvokeDetailListener.java

@@ -106,4 +106,5 @@ private String buildMethodQualifier(AtEnterEvent event) {
 
         return className + "." + event.methodName;
     }
+
 }