mirror of https://github.com/apache/activemq.git
Better protocol error handling.
Fixed http://issues.apache.org/activemq/browse/AMQ-649 git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/trunk@418602 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Hiram R. Chirino
parent
1ac3421e36
commit
530884a2d9
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@ -19,7 +19,6 @@ package org.apache.activemq.transport.stomp2;
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import java.io.IOException;
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import java.io.OutputStreamWriter;
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import java.io.PrintWriter;
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import java.net.ProtocolException;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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@ -87,13 +86,13 @@ public class ProtocolConverter {
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}
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}
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protected ResponseHandler createResponseHandler(StompCommand command){
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protected ResponseHandler createResponseHandler(StompFrame command){
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final String receiptId = (String) command.getHeaders().get(Stomp.Headers.RECEIPT_REQUESTED);
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// A response may not be needed.
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if( receiptId != null ) {
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return new ResponseHandler() {
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public void onResponse(ProtocolConverter converter, Response response) throws IOException {
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StompCommand sc = new StompCommand();
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StompFrame sc = new StompFrame();
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sc.setHeaders(new HashMap(5));
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sc.getHeaders().put(Stomp.Headers.Response.RECEIPT_ID, receiptId);
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transportFilter.sendToStomp(sc);
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@ -112,7 +111,7 @@ public class ProtocolConverter {
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transportFilter.sendToActiveMQ(command);
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}
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protected void sendToStomp(StompCommand command) throws IOException {
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protected void sendToStomp(StompFrame command) throws IOException {
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transportFilter.sendToStomp(command);
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}
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@ -120,9 +119,13 @@ public class ProtocolConverter {
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* Convert a stomp command
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* @param command
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*/
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public void onStompCommad( StompCommand command ) throws IOException, JMSException {
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public void onStompCommad( StompFrame command ) throws IOException, JMSException {
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try {
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if( command.getClass() == StompFrameError.class ) {
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throw ((StompFrameError)command).getException();
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}
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String action = command.getAction();
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if (action.startsWith(Stomp.Commands.SEND))
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onStompSend(command);
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@ -161,13 +164,15 @@ public class ProtocolConverter {
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headers.put(Stomp.Headers.Response.RECEIPT_ID, receiptId);
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}
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StompCommand errorMessage = new StompCommand(Stomp.Responses.ERROR,headers,baos.toByteArray());
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StompFrame errorMessage = new StompFrame(Stomp.Responses.ERROR,headers,baos.toByteArray());
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sendToStomp(errorMessage);
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if( e.isFatal() )
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getTransportFilter().onException(e);
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}
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}
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protected void onStompSend(StompCommand command) throws IOException, JMSException {
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protected void onStompSend(StompFrame command) throws IOException, JMSException {
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checkConnected();
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Map headers = command.getHeaders();
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@ -193,7 +198,7 @@ public class ProtocolConverter {
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}
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protected void onStompAck(StompCommand command) throws ProtocolException {
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protected void onStompAck(StompFrame command) throws ProtocolException {
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checkConnected();
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// TODO: acking with just a message id is very bogus
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@ -231,7 +236,7 @@ public class ProtocolConverter {
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}
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protected void onStompBegin(StompCommand command) throws ProtocolException {
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protected void onStompBegin(StompFrame command) throws ProtocolException {
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checkConnected();
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Map headers = command.getHeaders();
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@ -258,7 +263,7 @@ public class ProtocolConverter {
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}
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protected void onStompCommit(StompCommand command) throws ProtocolException {
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protected void onStompCommit(StompFrame command) throws ProtocolException {
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checkConnected();
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Map headers = command.getHeaders();
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@ -283,7 +288,7 @@ public class ProtocolConverter {
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sendToActiveMQ(tx, createResponseHandler(command));
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}
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protected void onStompAbort(StompCommand command) throws ProtocolException {
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protected void onStompAbort(StompFrame command) throws ProtocolException {
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checkConnected();
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Map headers = command.getHeaders();
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@ -308,7 +313,7 @@ public class ProtocolConverter {
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}
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protected void onStompSubscribe(StompCommand command) throws ProtocolException {
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protected void onStompSubscribe(StompFrame command) throws ProtocolException {
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checkConnected();
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Map headers = command.getHeaders();
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@ -343,7 +348,7 @@ public class ProtocolConverter {
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}
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protected void onStompUnsubscribe(StompCommand command) throws ProtocolException {
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protected void onStompUnsubscribe(StompFrame command) throws ProtocolException {
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checkConnected();
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Map headers = command.getHeaders();
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@ -375,7 +380,7 @@ public class ProtocolConverter {
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throw new ProtocolException("No subscription matched.");
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}
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protected void onStompConnect(StompCommand command) throws ProtocolException {
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protected void onStompConnect(StompFrame command) throws ProtocolException {
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if(connected.get()) {
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throw new ProtocolException("Allready connected.");
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@ -422,7 +427,7 @@ public class ProtocolConverter {
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responseHeaders.put(Stomp.Headers.Connected.RESPONSE_ID, requestId);
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}
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StompCommand sc = new StompCommand();
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StompFrame sc = new StompFrame();
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sc.setAction(Stomp.Responses.CONNECTED);
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sc.setHeaders(responseHeaders);
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sendToStomp(sc);
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@ -434,7 +439,7 @@ public class ProtocolConverter {
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}
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protected void onStompDisconnect(StompCommand command) throws ProtocolException {
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protected void onStompDisconnect(StompFrame command) throws ProtocolException {
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checkConnected();
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sendToActiveMQ(new ShutdownInfo(), createResponseHandler(command));
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connected.set(false);
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@ -473,7 +478,7 @@ public class ProtocolConverter {
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}
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public ActiveMQMessage convertMessage(StompCommand command) throws IOException, JMSException {
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public ActiveMQMessage convertMessage(StompFrame command) throws IOException, JMSException {
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Map headers = command.getHeaders();
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// now the body
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@ -488,7 +493,7 @@ public class ProtocolConverter {
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try {
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text.setText(new String(command.getContent(), "UTF-8"));
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} catch (Throwable e) {
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throw (ProtocolException)new ProtocolException("Text could not bet set: "+e).initCause(e);
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throw new ProtocolException("Text could not bet set: "+e, false, e);
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}
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msg = text;
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}
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@ -530,9 +535,9 @@ public class ProtocolConverter {
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return msg;
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}
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public StompCommand convertMessage(ActiveMQMessage message) throws IOException, JMSException {
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public StompFrame convertMessage(ActiveMQMessage message) throws IOException, JMSException {
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StompCommand command = new StompCommand();
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StompFrame command = new StompFrame();
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command.setAction(Stomp.Responses.MESSAGE);
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HashMap headers = new HashMap();
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@ -620,8 +625,4 @@ public class ProtocolConverter {
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this.transportFilter = transportFilter;
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}
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public void onStompExcepton(IOException error) {
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// TODO Auto-generated method stub
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}
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}
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@ -0,0 +1,50 @@
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/**
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*
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* Copyright 2005-2006 The Apache Software Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.activemq.transport.stomp2;
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import java.io.IOException;
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/**
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*
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* @author <a href="http://hiramchirino.com">chirino</a>
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*/
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public class ProtocolException extends IOException {
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private static final long serialVersionUID = -2869735532997332242L;
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private final boolean fatal;
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public ProtocolException() {
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this(null);
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}
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public ProtocolException(String s) {
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this(s, false);
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}
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public ProtocolException(String s, boolean fatal) {
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this(s,fatal, null);
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}
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public ProtocolException(String s, boolean fatal, Throwable cause) {
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super(s);
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this.fatal = fatal;
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initCause(cause);
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}
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public boolean isFatal() {
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return fatal;
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}
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}
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@ -30,7 +30,7 @@ import org.apache.activemq.state.CommandVisitor;
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*
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* @author <a href="http://hiramchirino.com">chirino</a>
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*/
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public class StompCommand implements Command {
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public class StompFrame implements Command {
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private static final byte[] NO_DATA = new byte[]{};
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@ -38,13 +38,13 @@ public class StompCommand implements Command {
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private Map headers = Collections.EMPTY_MAP;
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private byte[] content = NO_DATA;
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public StompCommand(String command, HashMap headers, byte[] data) {
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public StompFrame(String command, HashMap headers, byte[] data) {
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this.action = command;
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this.headers = headers;
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this.content = data;
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}
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public StompCommand() {
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public StompFrame() {
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}
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public String getAction() {
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@ -0,0 +1,38 @@
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/**
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*
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* Copyright 2005-2006 The Apache Software Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.activemq.transport.stomp2;
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/**
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* Command indicating that an invalid Stomp Frame was received.
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*
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* @author <a href="http://hiramchirino.com">chirino</a>
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*/
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public class StompFrameError extends StompFrame {
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private final ProtocolException exception;
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public StompFrameError(ProtocolException exception) {
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this.exception = exception;
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}
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public ProtocolException getException() {
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return exception;
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}
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}
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@ -69,7 +69,7 @@ public class StompSubscription {
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protocolConverter.getTransportFilter().sendToActiveMQ(ack);
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}
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StompCommand command = protocolConverter.convertMessage(message);
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StompFrame command = protocolConverter.convertMessage(message);
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command.setAction(Stomp.Responses.MESSAGE);
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if (subscriptionId!=null) {
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@ -46,14 +46,6 @@ public class StompTransportFilter extends TransportFilter {
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protocolConverter.setTransportFilter(this);
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}
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public void start() throws Exception {
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super.start();
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}
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public void stop() throws Exception {
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super.stop();
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}
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public void oneway(Command command) throws IOException {
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try {
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protocolConverter.onActiveMQCommad(command);
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@ -64,7 +56,7 @@ public class StompTransportFilter extends TransportFilter {
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public void onCommand(Command command) {
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try {
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protocolConverter.onStompCommad((StompCommand) command);
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protocolConverter.onStompCommad((StompFrame) command);
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} catch (IOException e) {
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onException(e);
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} catch (JMSException e) {
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@ -72,24 +64,16 @@ public class StompTransportFilter extends TransportFilter {
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}
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}
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public void onException(IOException error) {
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protocolConverter.onStompExcepton(error);
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transportListener.onException(error);
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}
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public void sendToActiveMQ(Command command) {
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synchronized(sendToActiveMQMutex) {
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transportListener.onCommand(command);
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}
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}
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public void sendToStomp(StompCommand command) throws IOException {
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public void sendToStomp(StompFrame command) throws IOException {
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synchronized(sendToStompMutex) {
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next.oneway(command);
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}
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}
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}
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@ -19,7 +19,6 @@ package org.apache.activemq.transport.stomp2;
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import java.io.DataInputStream;
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import java.io.DataOutputStream;
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import java.io.IOException;
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import java.net.ProtocolException;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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@ -62,7 +61,7 @@ public class StompWireFormat implements WireFormat {
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}
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public void marshal(Object command, DataOutputStream os) throws IOException {
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StompCommand stomp = (org.apache.activemq.transport.stomp2.StompCommand) command;
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StompFrame stomp = (org.apache.activemq.transport.stomp2.StompFrame) command;
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StringBuffer buffer = new StringBuffer();
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buffer.append(stomp.getAction());
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@ -88,92 +87,97 @@ public class StompWireFormat implements WireFormat {
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public Object unmarshal(DataInputStream in) throws IOException {
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String action = null;
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// skip white space to next real action line
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while (true) {
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action = readLine(in, MAX_COMMAND_LENGTH, "The maximum command length was exceeded");
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if (action == null) {
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throw new IOException("connection was closed");
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} else {
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action = action.trim();
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if (action.length() > 0) {
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break;
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try {
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String action = null;
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// skip white space to next real action line
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while (true) {
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action = readLine(in, MAX_COMMAND_LENGTH, "The maximum command length was exceeded");
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if (action == null) {
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throw new IOException("connection was closed");
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} else {
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action = action.trim();
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if (action.length() > 0) {
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break;
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}
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}
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}
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}
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// Parse the headers
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HashMap headers = new HashMap(25);
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while (true) {
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String line = readLine(in, MAX_HEADER_LENGTH, "The maximum header length was exceeded");
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if (line != null && line.trim().length() > 0) {
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if( headers.size() > MAX_HEADERS )
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throw new ProtocolException("The maximum number of headers was exceeded");
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try {
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int seperator_index = line.indexOf(Stomp.Headers.SEPERATOR);
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String name = line.substring(0, seperator_index).trim();
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String value = line.substring(seperator_index + 1, line.length()).trim();
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headers.put(name, value);
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}
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catch (Exception e) {
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throw new ProtocolException("Unable to parser header line [" + line + "]");
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}
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}
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else {
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break;
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}
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}
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// Read in the data part.
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byte[] data = NO_DATA;
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String contentLength = (String)headers.get(Stomp.Headers.CONTENT_LENGTH);
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if (contentLength!=null) {
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// Bless the client, he's telling us how much data to read in.
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int length;
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try {
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length = Integer.parseInt(contentLength.trim());
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} catch (NumberFormatException e) {
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throw new ProtocolException("Specified content-length is not a valid integer");
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}
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if( length > MAX_DATA_LENGTH )
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throw new ProtocolException("The maximum data length was exceeded");
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data = new byte[length];
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in.readFully(data);
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if (in.readByte() != 0) {
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throw new ProtocolException(Stomp.Headers.CONTENT_LENGTH+" bytes were read and " + "there was no trailing null byte");
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}
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} else {
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// Parse the headers
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HashMap headers = new HashMap(25);
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while (true) {
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String line = readLine(in, MAX_HEADER_LENGTH, "The maximum header length was exceeded");
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if (line != null && line.trim().length() > 0) {
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if( headers.size() > MAX_HEADERS )
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throw new ProtocolException("The maximum number of headers was exceeded", true);
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try {
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int seperator_index = line.indexOf(Stomp.Headers.SEPERATOR);
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String name = line.substring(0, seperator_index).trim();
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String value = line.substring(seperator_index + 1, line.length()).trim();
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headers.put(name, value);
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}
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catch (Exception e) {
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throw new ProtocolException("Unable to parser header line [" + line + "]", true);
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}
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}
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else {
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break;
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}
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}
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// Read in the data part.
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byte[] data = NO_DATA;
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String contentLength = (String)headers.get(Stomp.Headers.CONTENT_LENGTH);
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if (contentLength!=null) {
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// Bless the client, he's telling us how much data to read in.
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||||
int length;
|
||||
try {
|
||||
length = Integer.parseInt(contentLength.trim());
|
||||
} catch (NumberFormatException e) {
|
||||
throw new ProtocolException("Specified content-length is not a valid integer", true);
|
||||
}
|
||||
|
||||
// We don't know how much to read.. data ends when we hit a 0
|
||||
byte b;
|
||||
ByteArrayOutputStream baos=null;
|
||||
while ((b = in.readByte()) != 0) {
|
||||
|
||||
if( baos == null ) {
|
||||
baos = new ByteArrayOutputStream();
|
||||
} else if( baos.size() > MAX_DATA_LENGTH ) {
|
||||
throw new ProtocolException("The maximum data length was exceeded");
|
||||
}
|
||||
|
||||
baos.write(b);
|
||||
}
|
||||
|
||||
if( baos!=null ) {
|
||||
baos.close();
|
||||
data = baos.toByteArray();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return new StompCommand(action, headers, data);
|
||||
if( length > MAX_DATA_LENGTH )
|
||||
throw new ProtocolException("The maximum data length was exceeded", true);
|
||||
|
||||
data = new byte[length];
|
||||
in.readFully(data);
|
||||
|
||||
if (in.readByte() != 0) {
|
||||
throw new ProtocolException(Stomp.Headers.CONTENT_LENGTH+" bytes were read and " + "there was no trailing null byte", true);
|
||||
}
|
||||
|
||||
} else {
|
||||
|
||||
// We don't know how much to read.. data ends when we hit a 0
|
||||
byte b;
|
||||
ByteArrayOutputStream baos=null;
|
||||
while ((b = in.readByte()) != 0) {
|
||||
|
||||
if( baos == null ) {
|
||||
baos = new ByteArrayOutputStream();
|
||||
} else if( baos.size() > MAX_DATA_LENGTH ) {
|
||||
throw new ProtocolException("The maximum data length was exceeded", true);
|
||||
}
|
||||
|
||||
baos.write(b);
|
||||
}
|
||||
|
||||
if( baos!=null ) {
|
||||
baos.close();
|
||||
data = baos.toByteArray();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return new StompFrame(action, headers, data);
|
||||
|
||||
} catch (ProtocolException e) {
|
||||
return new StompFrameError(e);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
|
@ -182,7 +186,7 @@ public class StompWireFormat implements WireFormat {
|
|||
ByteArrayOutputStream baos=new ByteArrayOutputStream(maxLength);
|
||||
while ((b = in.readByte()) != '\n') {
|
||||
if( baos.size() > maxLength )
|
||||
throw new ProtocolException(errorMessage);
|
||||
throw new ProtocolException(errorMessage, true);
|
||||
baos.write(b);
|
||||
}
|
||||
ByteSequence sequence = baos.toByteSequence();
|
||||
|
|
|
|||
Loading…
Reference in New Issue