X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fnetconf%2Fnetconf-netty-util%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fnetconf%2Fnettyutil%2FAbstractNetconfSessionNegotiator.java;h=e5c3c12b992246516165e94f1f0dbb48de3ddefd;hb=0418d143fbc882b24becaa52ab115a4a42d3328c;hp=c770bde9206c03bba89027bc77b5fcb835e8dd03;hpb=e2df8aa67238c153f1038eb45f7799442861985b;p=controller.git
diff --git a/opendaylight/netconf/netconf-netty-util/src/main/java/org/opendaylight/controller/netconf/nettyutil/AbstractNetconfSessionNegotiator.java b/opendaylight/netconf/netconf-netty-util/src/main/java/org/opendaylight/controller/netconf/nettyutil/AbstractNetconfSessionNegotiator.java
index c770bde920..e5c3c12b99 100644
--- a/opendaylight/netconf/netconf-netty-util/src/main/java/org/opendaylight/controller/netconf/nettyutil/AbstractNetconfSessionNegotiator.java
+++ b/opendaylight/netconf/netconf-netty-util/src/main/java/org/opendaylight/controller/netconf/nettyutil/AbstractNetconfSessionNegotiator.java
@@ -11,6 +11,7 @@ package org.opendaylight.controller.netconf.nettyutil;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import io.netty.channel.Channel;
+import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
@@ -41,9 +42,9 @@ import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
public abstract class AbstractNetconfSessionNegotiator
, L extends NetconfSessionListener>
-extends AbstractSessionNegotiator {
+ extends AbstractSessionNegotiator {
- private static final Logger logger = LoggerFactory.getLogger(AbstractNetconfSessionNegotiator.class);
+ private static final Logger LOG = LoggerFactory.getLogger(AbstractNetconfSessionNegotiator.class);
public static final String NAME_OF_EXCEPTION_HANDLER = "lastExceptionHandler";
@@ -60,6 +61,7 @@ extends AbstractSessionNegotiator {
}
private State state = State.IDLE;
+ private final Promise promise;
private final Timer timer;
private final long connectionTimeoutMillis;
@@ -68,6 +70,7 @@ extends AbstractSessionNegotiator {
L sessionListener, long connectionTimeoutMillis) {
super(promise, channel);
this.sessionPreferences = sessionPreferences;
+ this.promise = promise;
this.timer = timer;
this.sessionListener = sessionListener;
this.connectionTimeoutMillis = connectionTimeoutMillis;
@@ -82,7 +85,7 @@ extends AbstractSessionNegotiator {
@Override
public void operationComplete(Future super Channel> future) {
Preconditions.checkState(future.isSuccess(), "Ssl handshake was not successful");
- logger.debug("Ssl handshake complete");
+ LOG.debug("Ssl handshake complete");
start();
}
});
@@ -102,32 +105,52 @@ extends AbstractSessionNegotiator {
private void start() {
final NetconfMessage helloMessage = this.sessionPreferences.getHelloMessage();
- logger.debug("Session negotiation started with hello message {}", XmlUtil.toString(helloMessage.getDocument()));
+ LOG.debug("Session negotiation started with hello message {} on channel {}", XmlUtil.toString(helloMessage.getDocument()), channel);
channel.pipeline().addLast(NAME_OF_EXCEPTION_HANDLER, new ExceptionHandlingInboundChannelHandler());
+ // FIXME, make sessionPreferences return HelloMessage, move NetconfHelloMessage to API
+ sendMessage((NetconfHelloMessage)helloMessage);
+
+ replaceHelloMessageOutboundHandler();
+ changeState(State.OPEN_WAIT);
+
timeout = this.timer.newTimeout(new TimerTask() {
@Override
public void run(final Timeout timeout) {
synchronized (this) {
if (state != State.ESTABLISHED) {
- logger.debug("Connection timeout after {}, session is in state {}", timeout, state);
- final IllegalStateException cause = new IllegalStateException(
- "Session was not established after " + timeout);
- negotiationFailed(cause);
- changeState(State.FAILED);
+
+ LOG.debug("Connection timeout after {}, session is in state {}", timeout, state);
+
+ // Do not fail negotiation if promise is done or canceled
+ // It would result in setting result of the promise second time and that throws exception
+ if (isPromiseFinished() == false) {
+ negotiationFailed(new IllegalStateException("Session was not established after " + timeout));
+ changeState(State.FAILED);
+
+ channel.closeFuture().addListener(new GenericFutureListener() {
+ @Override
+ public void operationComplete(ChannelFuture future) throws Exception {
+ if(future.isSuccess()) {
+ LOG.debug("Channel {} closed: success", future.channel());
+ } else {
+ LOG.warn("Channel {} closed: fail", future.channel());
+ }
+ }
+ });
+ }
} else if(channel.isOpen()) {
channel.pipeline().remove(NAME_OF_EXCEPTION_HANDLER);
}
}
}
- }, connectionTimeoutMillis, TimeUnit.MILLISECONDS);
- // FIXME, make sessionPreferences return HelloMessage, move NetconfHelloMessage to API
- sendMessage((NetconfHelloMessage)helloMessage);
+ private boolean isPromiseFinished() {
+ return promise.isDone() || promise.isCancelled();
+ }
- replaceHelloMessageOutboundHandler();
- changeState(State.OPEN_WAIT);
+ }, connectionTimeoutMillis, TimeUnit.MILLISECONDS);
}
private void cancelTimeout() {
@@ -200,9 +223,9 @@ extends AbstractSessionNegotiator {
protected abstract S getSession(L sessionListener, Channel channel, NetconfHelloMessage message) throws NetconfDocumentedException;
private synchronized void changeState(final State newState) {
- logger.debug("Changing state from : {} to : {}", state, newState);
- Preconditions.checkState(isStateChangePermitted(state, newState), "Cannot change state from %s to %s", state,
- newState);
+ LOG.debug("Changing state from : {} to : {} for channel: {}", state, newState, channel);
+ Preconditions.checkState(isStateChangePermitted(state, newState), "Cannot change state from %s to %s for chanel %s", state,
+ newState, channel);
this.state = newState;
}
@@ -226,7 +249,7 @@ extends AbstractSessionNegotiator {
if (state == State.OPEN_WAIT && newState == State.FAILED) {
return true;
}
- logger.debug("Transition from {} to {} is not allowed", state, newState);
+ LOG.debug("Transition from {} to {} is not allowed", state, newState);
return false;
}
@@ -236,7 +259,7 @@ extends AbstractSessionNegotiator {
private final class ExceptionHandlingInboundChannelHandler extends ChannelInboundHandlerAdapter {
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
- logger.warn("An exception occurred during negotiation with {}", channel.remoteAddress(), cause);
+ LOG.warn("An exception occurred during negotiation with {}", channel.remoteAddress(), cause);
cancelTimeout();
negotiationFailed(cause);
changeState(State.FAILED);