package org.opendaylight.openflowplugin.openflow.md.core;
-import com.google.common.util.concurrent.Futures;
import java.util.concurrent.Future;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
+
import org.opendaylight.openflowjava.protocol.api.connection.ConnectionAdapter;
import org.opendaylight.openflowjava.protocol.api.connection.ConnectionReadyListener;
import org.opendaylight.openflowplugin.api.OFConstants;
import org.opendaylight.openflowplugin.api.openflow.md.queue.QueueKeeper;
import org.opendaylight.openflowplugin.api.openflow.md.queue.QueueKeeper.QueueType;
import org.opendaylight.openflowplugin.api.openflow.md.queue.QueueProcessor;
+import org.opendaylight.openflowplugin.api.openflow.md.queue.WaterMarkListener;
+import org.opendaylight.openflowplugin.api.openflow.md.queue.WaterMarkListenerImpl;
import org.opendaylight.openflowplugin.openflow.md.core.session.OFSessionUtil;
import org.opendaylight.openflowplugin.openflow.md.core.session.PortFeaturesUtil;
import org.opendaylight.openflowplugin.openflow.md.queue.QueueKeeperFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+import com.google.common.util.concurrent.Futures;
+
/**
* @author mirehak
*/
public class ConnectionConductorImpl implements OpenflowProtocolListener,
- SystemNotificationsListener, ConnectionConductor, ConnectionReadyListener, HandshakeListener, NotificationEnqueuer, AutoCloseable {
+ SystemNotificationsListener, ConnectionConductor,
+ ConnectionReadyListener, HandshakeListener, NotificationEnqueuer,
+ AutoCloseable {
/**
* ingress queue limit
protected static final Logger LOG = LoggerFactory
.getLogger(ConnectionConductorImpl.class);
- /* variable to make BitMap-based negotiation enabled / disabled.
- * it will help while testing and isolating issues related to processing of
- * BitMaps from switches.
+ /*
+ * variable to make BitMap-based negotiation enabled / disabled. it will
+ * help while testing and isolating issues related to processing of BitMaps
+ * from switches.
*/
private boolean isBitmapNegotiationEnable = true;
protected ErrorHandler errorHandler;
private int ingressMaxQueueSize;
-
/**
* @param connectionAdapter
*/
/**
* @param connectionAdapter
- * @param ingressMaxQueueSize ingress queue limit (blocking)
+ * @param ingressMaxQueueSize
+ * ingress queue limit (blocking)
*/
- public ConnectionConductorImpl(ConnectionAdapter connectionAdapter, int ingressMaxQueueSize) {
+ public ConnectionConductorImpl(ConnectionAdapter connectionAdapter,
+ int ingressMaxQueueSize) {
this.connectionAdapter = connectionAdapter;
this.ingressMaxQueueSize = ingressMaxQueueSize;
conductorState = CONDUCTOR_STATE.HANDSHAKING;
firstHelloProcessed = false;
handshakeManager = new HandshakeManagerImpl(connectionAdapter,
- ConnectionConductor.versionOrder.get(0), ConnectionConductor.versionOrder);
+ ConnectionConductor.versionOrder.get(0),
+ ConnectionConductor.versionOrder);
handshakeManager.setUseVersionBitmap(isBitmapNegotiationEnable);
handshakeManager.setHandshakeListener(this);
portFeaturesUtils = PortFeaturesUtil.getInstance();
@Override
public void init() {
int handshakeThreadLimit = 1;
- hsPool = new ThreadPoolLoggingExecutor(handshakeThreadLimit, handshakeThreadLimit, 0L,
- TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>(),
- "OFHandshake-" + conductorId);
+ hsPool = new ThreadPoolLoggingExecutor(handshakeThreadLimit,
+ handshakeThreadLimit, 0L, TimeUnit.MILLISECONDS,
+ new LinkedBlockingQueue<Runnable>(), "OFHandshake-"
+ + conductorId);
connectionAdapter.setMessageListener(this);
connectionAdapter.setSystemListener(this);
connectionAdapter.setConnectionReadyListener(this);
- queue = QueueKeeperFactory.createFairQueueKeeper(queueProcessor, ingressMaxQueueSize);
+ WaterMarkListener waterMarkListener = new WaterMarkListenerImpl(
+ connectionAdapter);
+ queue = QueueKeeperFactory.createFairQueueKeeper(queueProcessor,
+ ingressMaxQueueSize, waterMarkListener);
}
@Override
- public void setQueueProcessor(QueueProcessor<OfHeader, DataObject> queueProcessor) {
+ public void setQueueProcessor(
+ QueueProcessor<OfHeader, DataObject> queueProcessor) {
this.queueProcessor = queueProcessor;
}
/**
- * @param errorHandler the errorHandler to set
+ * @param errorHandler
+ * the errorHandler to set
*/
@Override
public void setErrorHandler(ErrorHandler errorHandler) {
new Thread(new Runnable() {
@Override
public void run() {
- LOG.debug("echo request received: " + echoRequestMessage.getXid());
+ LOG.debug("echo request received: "
+ + echoRequestMessage.getXid());
EchoReplyInputBuilder builder = new EchoReplyInputBuilder();
builder.setVersion(echoRequestMessage.getVersion());
builder.setXid(echoRequestMessage.getXid());
enqueueMessage(errorMessage);
}
-
/**
* @param message
*/
/**
* @param message
- * @param queueType enqueue type
+ * @param queueType
+ * enqueue type
*/
private void enqueueMessage(OfHeader message, QueueType queueType) {
queue.push(message, this, queueType);
enqueueMessage(message);
}
-
/**
- * version negotiation happened as per following steps:
- * 1. If HelloMessage version field has same version, continue connection processing.
- * If HelloMessage version is lower than supported versions, just disconnect.
+ * version negotiation happened as per following steps: 1. If HelloMessage
+ * version field has same version, continue connection processing. If
+ * HelloMessage version is lower than supported versions, just disconnect.
* 2. If HelloMessage contains bitmap and common version found in bitmap
- * then continue connection processing. if no common version found, just disconnect.
- * 3. If HelloMessage version is not supported, send HelloMessage with lower supported version.
- * 4. If Hello message received again with not supported version, just disconnect.
+ * then continue connection processing. if no common version found, just
+ * disconnect. 3. If HelloMessage version is not supported, send
+ * HelloMessage with lower supported version. 4. If Hello message received
+ * again with not supported version, just disconnect.
*/
@Override
public void onHelloMessage(final HelloMessage hello) {
Boolean portBandwidth = portFeaturesUtils.getPortBandwidth(msg);
if (portBandwidth == null) {
- LOG.debug("can't get bandwidth info from port: {}, aborting port update", msg.toString());
+ LOG.debug(
+ "can't get bandwidth info from port: {}, aborting port update",
+ msg.toString());
} else {
this.getSessionContext().getPhysicalPorts().put(portNumber, msg);
- this.getSessionContext().getPortsBandwidth().put(portNumber, portBandwidth);
+ this.getSessionContext().getPortsBandwidth()
+ .put(portNumber, portBandwidth);
}
}
@Override
public void run() {
if (!CONDUCTOR_STATE.WORKING.equals(getConductorState())) {
- // idle state in any other conductorState than WORKING means real
- // problem and wont be handled by echoReply, but disconnection
+ // idle state in any other conductorState than WORKING means
+ // real
+ // problem and wont be handled by echoReply, but
+ // disconnection
disconnect();
- OFSessionUtil.getSessionManager().invalidateOnDisconnect(ConnectionConductorImpl.this);
+ OFSessionUtil.getSessionManager().invalidateOnDisconnect(
+ ConnectionConductorImpl.this);
} else {
- LOG.debug("first idle state occured, sessionCtx={}|auxId={}", sessionContext, auxiliaryKey);
+ LOG.debug(
+ "first idle state occured, sessionCtx={}|auxId={}",
+ sessionContext, auxiliaryKey);
EchoInputBuilder builder = new EchoInputBuilder();
builder.setVersion(getVersion());
builder.setXid(getSessionContext().getNextXid());
.echo(builder.build());
try {
- RpcResult<EchoOutput> echoReplyValue = echoReplyFuture.get(getMaxTimeout(),
- getMaxTimeoutUnit());
+ RpcResult<EchoOutput> echoReplyValue = echoReplyFuture
+ .get(getMaxTimeout(), getMaxTimeoutUnit());
if (echoReplyValue.isSuccessful()) {
setConductorState(CONDUCTOR_STATE.WORKING);
} else {
- for (RpcError replyError : echoReplyValue.getErrors()) {
+ for (RpcError replyError : echoReplyValue
+ .getErrors()) {
Throwable cause = replyError.getCause();
LOG.error(
"while receiving echoReply in TIMEOUTING state: "
+ cause.getMessage(), cause);
}
- //switch issue occurred
+ // switch issue occurred
throw new Exception("switch issue occurred");
}
} catch (Exception e) {
LOG.error("while waiting for echoReply in TIMEOUTING state: "
+ e.getMessage());
errorHandler.handleException(e, sessionContext);
- //switch is not responding
+ // switch is not responding
disconnect();
- OFSessionUtil.getSessionManager().invalidateOnDisconnect(ConnectionConductorImpl.this);
+ OFSessionUtil.getSessionManager()
+ .invalidateOnDisconnect(
+ ConnectionConductorImpl.this);
}
}
}
}
/**
- * @param conductorState the connectionState to set
+ * @param conductorState
+ * the connectionState to set
*/
@Override
public void setConductorState(CONDUCTOR_STATE conductorState) {
@Override
public Future<Boolean> disconnect() {
- LOG.trace("disconnecting: sessionCtx={}|auxId={}", sessionContext, auxiliaryKey);
+ LOG.trace("disconnecting: sessionCtx={}|auxId={}", sessionContext,
+ auxiliaryKey);
Future<Boolean> result = null;
if (connectionAdapter.isAlive()) {
@Override
public void onHandshakeSuccessfull(GetFeaturesOutput featureOutput,
- Short negotiatedVersion) {
+ Short negotiatedVersion) {
postHandshakeBasic(featureOutput, negotiatedVersion);
// post-handshake actions
/**
* used by tests
- *
+ *
* @param featureOutput
* @param negotiatedVersion
*/
protected void postHandshakeBasic(GetFeaturesOutput featureOutput,
- Short negotiatedVersion) {
+ Short negotiatedVersion) {
version = negotiatedVersion;
if (version == OFConstants.OFP_VERSION_1_0) {
- // Because the GetFeaturesOutput contains information about the port
- // in OF1.0 (that we would otherwise get from the PortDesc) we have to pass
- // it up for parsing to convert into a NodeConnectorUpdate
+ // Because the GetFeaturesOutput contains information about the port
+ // in OF1.0 (that we would otherwise get from the PortDesc) we have
+ // to pass
+ // it up for parsing to convert into a NodeConnectorUpdate
//
- // BUG-1988 - this must be the first item in queue in order not to get behind link-up message
+ // BUG-1988 - this must be the first item in queue in order not to
+ // get behind link-up message
enqueueMessage(featureOutput);
}
}
/*
- * Send an OFPMP_DESC request message to the switch
+ * Send an OFPMP_DESC request message to the switch
*/
private void requestDesc() {
MultipartRequestInputBuilder builder = new MultipartRequestInputBuilder();
builder.setType(MultipartType.OFPMPDESC);
builder.setVersion(getVersion());
builder.setFlags(new MultipartRequestFlags(false));
- builder.setMultipartRequestBody(new MultipartRequestDescCaseBuilder().build());
+ builder.setMultipartRequestBody(new MultipartRequestDescCaseBuilder()
+ .build());
builder.setXid(getSessionContext().getNextXid());
getConnectionAdapter().multipartRequest(builder.build());
}
builder.setType(MultipartType.OFPMPPORTDESC);
builder.setVersion(getVersion());
builder.setFlags(new MultipartRequestFlags(false));
- builder.setMultipartRequestBody(new MultipartRequestPortDescCaseBuilder().build());
+ builder.setMultipartRequestBody(new MultipartRequestPortDescCaseBuilder()
+ .build());
builder.setXid(getSessionContext().getNextXid());
getConnectionAdapter().multipartRequest(builder.build());
}
mprInput.setFlags(new MultipartRequestFlags(false));
mprInput.setXid(getSessionContext().getNextXid());
- MultipartRequestGroupFeaturesCaseBuilder mprGroupFeaturesBuild =
- new MultipartRequestGroupFeaturesCaseBuilder();
+ MultipartRequestGroupFeaturesCaseBuilder mprGroupFeaturesBuild = new MultipartRequestGroupFeaturesCaseBuilder();
mprInput.setMultipartRequestBody(mprGroupFeaturesBuild.build());
- LOG.debug("Send group features statistics request :{}", mprGroupFeaturesBuild);
+ LOG.debug("Send group features statistics request :{}",
+ mprGroupFeaturesBuild);
getConnectionAdapter().multipartRequest(mprInput.build());
}
mprInput.setFlags(new MultipartRequestFlags(false));
mprInput.setXid(getSessionContext().getNextXid());
- MultipartRequestMeterFeaturesCaseBuilder mprMeterFeaturesBuild =
- new MultipartRequestMeterFeaturesCaseBuilder();
+ MultipartRequestMeterFeaturesCaseBuilder mprMeterFeaturesBuild = new MultipartRequestMeterFeaturesCaseBuilder();
mprInput.setMultipartRequestBody(mprMeterFeaturesBuild.build());
- LOG.debug("Send meter features statistics request :{}", mprMeterFeaturesBuild);
+ LOG.debug("Send meter features statistics request :{}",
+ mprMeterFeaturesBuild);
getConnectionAdapter().multipartRequest(mprInput.build());
}
/**
- * @param isBitmapNegotiationEnable the isBitmapNegotiationEnable to set
+ * @param isBitmapNegotiationEnable
+ * the isBitmapNegotiationEnable to set
*/
- public void setBitmapNegotiationEnable(
- boolean isBitmapNegotiationEnable) {
+ public void setBitmapNegotiationEnable(boolean isBitmapNegotiationEnable) {
this.isBitmapNegotiationEnable = isBitmapNegotiationEnable;
}