costin 02/02/06 09:41:29 Added: jk/java/org/apache/jk/common HandlerDispatch.java Log: Dispatch handler - based on the message type will call the right handler. This is specific to ajp13 ( or any other transport that stores the message type as the first byte of the message :-). Each protocol is supposed to have a set of protocol-specific handlers, some may be generic. What we'll eventually do is create an HandlerAjp13 to consolidate ajp13 specific processing. Other protocols could do the same. Then whatever info containes the 'target' will be stored as the message tag, and the rest of the info will be decoded in message/request/etc. Note that the tag is an int - we want to reduce the use of Strings, and do table dispatching, so protocol handlers should use a message handle Revision Changes Path 1.1 jakarta-tomcat-connectors/jk/java/org/apache/jk/common/HandlerDispatch.java Index: HandlerDispatch.java =================================================================== /* * ==================================================================== * * The Apache Software License, Version 1.1 * * Copyright (c) 1999 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. 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For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * * [Additional notices, if required by prior licensing conditions] * */ package org.apache.jk.common; import java.io.*; import java.net.*; import java.util.*; import java.security.*; import java.security.cert.*; import org.apache.jk.core.*; import org.apache.tomcat.util.http.*; import org.apache.tomcat.util.buf.*; /** * Dispatch based on the message type. ( XXX make it more generic, * now it's specific to ajp13 ). * * @author Costin Manolache */ public class HandlerDispatch extends JkHandler { public HandlerDispatch() { } public void init() { } JkHandler handlers[]=new JkHandler[MAX_HANDLERS]; String handlerNames[]=new String[MAX_HANDLERS]; static final int MAX_HANDLERS=32; static final int RESERVED=16; // reserved names, backward compat int currentId=RESERVED; public int registerMessageType( int id, String name, JkHandler h, String sig[] ) { if( logL > 0 ) log( "Register message " + id + " " + h.getName() + " " + h.getClass().getName()); if( id < 0 ) { // try to find it by name for( int i=0; i< handlerNames.length; i++ ) { if( handlerNames[i]==null ) continue; if( name.equals( handlerNames[i] ) ) return i; } handlers[currentId]=h; handlerNames[currentId]=name; currentId++; return currentId; } handlers[id]=h; handlerNames[currentId]=name; return id; } // -------------------- Incoming message -------------------- public int invoke(Msg msg, MsgContext ep ) throws IOException { int type=msg.peekByte(); msg.setTag( type ); if( type > handlers.length || handlers[type]==null ) { log( "Invalid handler " + type ); return ERROR; } if( logL > 0 ) log( "Received " + type + " " + handlers[type].getName()); JkHandler handler=handlers[type]; return handler.invoke( msg, ep ); } }
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