home/pinpoint
2
0
Fork 0
mirror of https://github.com/wahyd4/pinpoint.git synced 2026-08-28 06:08:43 +10:00
Code Issues Packages Projects Releases Wiki Activity

[유치수] [NOBTS] refactoring

Browse Source 
git-svn-id: http://svn.bds.nhncorp.com/pe/hippo-tomcat-profiler/trunk@453 84d0f5b1-2673-498c-a247-62c4ff18d310
This commit is contained in:
Chisu Yu
2012-07-04 10:05:51 +00:00
parent 34cb3fbd1e
commit 08c6f0bd3c
37 changed files with 2257 additions and 1895 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/main/java/com/profiler/modifier/tomcat/EntryPointStandardHostValveModifier.java
+69 -47
View File
@@ -8,106 +8,128 @@ import javassist.CtClass;
import javassist.CtMethod;
import com.profiler.modifier.AbstractModifier;
/**
/**
* Modify org.apache.catalina.core.StandardHostValve class
*
* @author cowboy93
*
*
*/
public class EntryPointStandardHostValveModifier extends AbstractModifier {
public static byte[] modify(ClassPool classPool,ClassLoader classLoader,String javassistClassName,byte[] classFileBuffer) {
public static byte[] modify(ClassPool classPool, ClassLoader classLoader,
String javassistClassName, byte[] classFileBuffer) {
log("EntryPointModifier.modifyStandardHostValve()");
// printClassInfo(javassistClassName);
return changeServiceMethod(classPool,classLoader,javassistClassName,classFileBuffer);
// printClassInfo(javassistClassName);
return changeServiceMethod(classPool, classLoader, javassistClassName,
classFileBuffer);
}
private static byte[] changeServiceMethod(ClassPool classPool,ClassLoader classLoader,String javassistClassName,byte[] classfileBuffer) {
classPool.insertClassPath(new ByteArrayClassPath(javassistClassName, classfileBuffer));
private static byte[] changeServiceMethod(ClassPool classPool,
ClassLoader classLoader, String javassistClassName,
byte[] classfileBuffer) {
classPool.insertClassPath(new ByteArrayClassPath(javassistClassName,
classfileBuffer));
try {
addRequestTracerToCurrentClassLoader(classLoader);
// log("Class loader="+classPool.getClassLoader().toString());
// log("Class loader="+classPool.getClassLoader().toString());
CtClass cc = classPool.get(javassistClassName);
CtClass[] params=new CtClass[2];
params[0]=classPool.getCtClass("org.apache.catalina.connector.Request");
params[1]=classPool.getCtClass("org.apache.catalina.connector.Response");
CtMethod serviceMethod=cc.getDeclaredMethod("invoke", params);
CtClass[] params = new CtClass[2];
params[0] = classPool
.getCtClass("org.apache.catalina.connector.Request");
params[1] = classPool
.getCtClass("org.apache.catalina.connector.Response");
CtMethod serviceMethod = cc.getDeclaredMethod("invoke", params);
log("*** Changing invoke method ");
serviceMethod.insertBefore(getInvokeMethodBeforeInsertCode());
serviceMethod.insertAfter(getInvokeMethodAfterInsertCode());
CtClass exceptionType = classPool.get("java.lang.Throwable");
//CtClass exceptionType = classPool.get("java.lang.Exception");
serviceMethod.addCatch(getInvokeMethodCatchInsertCode(), exceptionType);
// cc.stopPruning(true);
// cc.toClass(classLoader,classLoader.getClass().getProtectionDomain());
// cc.stopPruning(false);
// CtClass exceptionType = classPool.get("java.lang.Exception");
serviceMethod.addCatch(getInvokeMethodCatchInsertCode(),
exceptionType);
// cc.stopPruning(true);
// cc.toClass(classLoader,classLoader.getClass().getProtectionDomain());
// cc.stopPruning(false);
byte[] newClassfileBuffer = cc.toBytecode();
// cc.writeFile();
// cc.writeFile();
printClassConvertComplete(javassistClassName);
return newClassfileBuffer;
} catch(Exception e) {
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
private static String getInvokeMethodBeforeInsertCode() {
StringBuilder insertCode=new StringBuilder();
StringBuilder insertCode = new StringBuilder();
insertCode.append("{");
insertCode.append("long requestTime=System.currentTimeMillis();");
insertCode.append("javax.servlet.http.HttpServletRequest tempRequest=(javax.servlet.http.HttpServletRequest)$1;");
insertCode
.append("javax.servlet.http.HttpServletRequest tempRequest=(javax.servlet.http.HttpServletRequest)$1;");
insertCode.append("String requestURL=tempRequest.getRequestURI();");
insertCode.append("String clientIP=tempRequest.getRemoteAddr();");
insertCode.append(getParameterValues());
insertCode.append(CLASS_NAME_REQUEST_TRACER).append(".startTransaction(requestURL,clientIP,requestTime,params);");
// insertCode.append("System.out.println(\"--- ApplicationFilterChain.doFilter() is started.\");");
insertCode.append(CLASS_NAME_REQUEST_TRACER).append(
".startTransaction(requestURL,clientIP,requestTime,params);");
// insertCode.append("System.out.println(\"--- ApplicationFilterChain.doFilter() is started.\");");
insertCode.append("}");
return insertCode.toString();
}
private static StringBuilder getParameterValues() {
StringBuilder insertCode=new StringBuilder();
insertCode.append("java.util.Enumeration attrs=tempRequest.getParameterNames();");
StringBuilder insertCode = new StringBuilder();
insertCode
.append("java.util.Enumeration attrs=tempRequest.getParameterNames();");
insertCode.append("StringBuilder params=new StringBuilder();");
insertCode.append("while(attrs.hasMoreElements()) {");
insertCode.append("String keyString=attrs.nextElement().toString();");
// insertCode.append("System.out.println(key+\"=\"+tempRequest.getParameter(key.toString()));");
// insertCode.append("System.out.println(key+\"=\"+tempRequest.getParameter(key.toString()));");
insertCode.append("Object value=tempRequest.getParameter(keyString);");
insertCode.append("if(value!=null) {");
insertCode.append("String valueString=value.toString();");
insertCode.append("int valueStringLength=valueString.length();");
insertCode.append("if(valueStringLength>0 && valueStringLength<100) params.append(keyString).append(\"=\").append(valueString).append(\",\");");
insertCode
.append("if(valueStringLength>0 && valueStringLength<100) params.append(keyString).append(\"=\").append(valueString).append(\",\");");
insertCode.append("}}");
// insertCode.append("System.out.println(params);");
// insertCode.append("System.out.println(params);");
return insertCode;
}
private static String getInvokeMethodAfterInsertCode() {
StringBuilder insertCode=new StringBuilder();
StringBuilder insertCode = new StringBuilder();
insertCode.append("{");
insertCode.append(CLASS_NAME_REQUEST_TRACER).append(".endTransaction();");
// insertCode.append("System.out.println(\"--- ApplicationFilterChain.doFilter() is ended.\");");
insertCode.append(CLASS_NAME_REQUEST_TRACER).append(
".endTransaction();");
// insertCode.append("System.out.println(\"--- ApplicationFilterChain.doFilter() is ended.\");");
insertCode.append("}");
return insertCode.toString();
}
private static String getInvokeMethodCatchInsertCode() {
StringBuilder insertCode=new StringBuilder();
// insertCode.append("{");
// insertCode.append("System.out.println(\"------------------------------------------------\");");
// insertCode.append("System.out.println(\"--- \"+$e.getMessage()+\" is occured !!!\");");
insertCode.append(CLASS_NAME_REQUEST_TRACER).append(".exceptionTransaction($e);");
// insertCode.append("System.out.println(\"------------------------------------------------\");");
StringBuilder insertCode = new StringBuilder();
// insertCode.append("{");
// insertCode.append("System.out.println(\"------------------------------------------------\");");
// insertCode.append("System.out.println(\"--- \"+$e.getMessage()+\" is occured !!!\");");
insertCode.append(CLASS_NAME_REQUEST_TRACER).append(
".exceptionTransaction($e);");
// insertCode.append("System.out.println(\"------------------------------------------------\");");
insertCode.append("throw $e;");
// insertCode.append("}");
// insertCode.append("}");
return insertCode.toString();
}
private static void addRequestTracerToCurrentClassLoader(ClassLoader classLoader) {
private static void addRequestTracerToCurrentClassLoader(
ClassLoader classLoader) {
try {
classLoader.loadClass(CLASS_NAME_REQUEST_TRACER);
classLoader.loadClass(CLASS_NAME_REQUEST_THRIFT_DTO);
classLoader.loadClass("org.apache.thrift.TBase");
} catch(Exception e) {
} catch (Exception e) {
e.printStackTrace();
}
}