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From revans2 <...@git.apache.org>
Subject [GitHub] incubator-storm pull request: STORM-348: Netty SASL Authentication
Date Fri, 25 Jul 2014 15:46:37 GMT
Github user revans2 commented on a diff in the pull request:

    https://github.com/apache/incubator-storm/pull/202#discussion_r15407759
  
    --- Diff: storm-core/src/jvm/backtype/storm/messaging/netty/SaslStormClientHandler.java
---
    @@ -0,0 +1,155 @@
    +/**
    + * Licensed to the Apache Software Foundation (ASF) under one
    + * or more contributor license agreements.  See the NOTICE file
    + * distributed with this work for additional information
    + * regarding copyright ownership.  The ASF licenses this file
    + * to you under the Apache License, Version 2.0 (the
    + * "License"); you may not use this file except in compliance
    + * with the License.  You may obtain a copy of the License at
    + *
    + * http://www.apache.org/licenses/LICENSE-2.0
    + *
    + * Unless required by applicable law or agreed to in writing, software
    + * distributed under the License is distributed on an "AS IS" BASIS,
    + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    + * See the License for the specific language governing permissions and
    + * limitations under the License.
    + */
    +package backtype.storm.messaging.netty;
    +
    +import java.io.IOException;
    +
    +import org.jboss.netty.channel.Channel;
    +import org.jboss.netty.channel.ChannelHandlerContext;
    +import org.jboss.netty.channel.ChannelStateEvent;
    +import org.jboss.netty.channel.Channels;
    +import org.jboss.netty.channel.MessageEvent;
    +import org.jboss.netty.channel.SimpleChannelUpstreamHandler;
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +
    +import backtype.storm.Config;
    +
    +public class SaslStormClientHandler extends SimpleChannelUpstreamHandler {
    +
    +	private static final Logger LOG = LoggerFactory
    +			.getLogger(SaslStormClientHandler.class);
    +	private Client client;
    +	long start_time;
    +	/** Used for client or server's token to send or receive from each other. */
    +	private byte[] token;
    +	private String topologyName;
    +
    +	public SaslStormClientHandler(Client client) throws IOException {
    +		this.client = client;
    +		start_time = System.currentTimeMillis();
    +		getSASLCredentials();
    +	}
    +
    +	@Override
    +	public void channelConnected(ChannelHandlerContext ctx,
    +			ChannelStateEvent event) {
    +		// register the newly established channel
    +		Channel channel = ctx.getChannel();
    +
    +		LOG.info("Connection established from " + channel.getLocalAddress()
    +				+ " to " + channel.getRemoteAddress());
    +
    +		try {
    +			SaslNettyClient saslNettyClient = SaslNettyClientState.getSaslNettyClient
    +					.get(channel);
    +
    +			if (saslNettyClient == null) {
    +				LOG.debug("Creating saslNettyClient now " + "for channel: "
    +						+ channel);
    +				saslNettyClient = new SaslNettyClient(topologyName, token);
    +				SaslNettyClientState.getSaslNettyClient.set(channel,
    +						saslNettyClient);
    +			}
    +			channel.write(ControlMessage.SASL_TOKEN_MESSAGE_REQUEST);
    +		} catch (Exception e) {
    +			LOG.error("Failed to authenticate with server " + "due to error: "
    +					+ e);
    --- End diff --
    
    can we change this to a ", e" instead of a "+ e" that way we can get the stack trace in
the logs too.


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