diff options
Diffstat (limited to 'framework/src/onos/drivers/src/main/java/org/onosproject/driver/handshaker/CalientFiberSwitchHandshaker.java')
-rw-r--r-- | framework/src/onos/drivers/src/main/java/org/onosproject/driver/handshaker/CalientFiberSwitchHandshaker.java | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/framework/src/onos/drivers/src/main/java/org/onosproject/driver/handshaker/CalientFiberSwitchHandshaker.java b/framework/src/onos/drivers/src/main/java/org/onosproject/driver/handshaker/CalientFiberSwitchHandshaker.java new file mode 100644 index 00000000..df4dfa53 --- /dev/null +++ b/framework/src/onos/drivers/src/main/java/org/onosproject/driver/handshaker/CalientFiberSwitchHandshaker.java @@ -0,0 +1,181 @@ +/* + * Copyright 2015 Open Networking Laboratory + * + * Licensed 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 org.onosproject.driver.handshaker; + +import com.google.common.collect.ImmutableList; +import com.google.common.collect.ImmutableSet; +import org.onosproject.net.Device; +import org.onosproject.openflow.controller.OpenFlowOpticalSwitch; +import org.onosproject.openflow.controller.PortDescPropertyType; +import org.onosproject.openflow.controller.driver.AbstractOpenFlowSwitch; +import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeAlreadyStarted; +import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeCompleted; +import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeNotStarted; +import org.projectfloodlight.openflow.protocol.OFCalientFlowStatsRequest; +import org.projectfloodlight.openflow.protocol.OFCalientPortDescStatsEntry; +import org.projectfloodlight.openflow.protocol.OFCalientPortDescStatsReply; +import org.projectfloodlight.openflow.protocol.OFCalientPortDescStatsRequest; +import org.projectfloodlight.openflow.protocol.OFFlowStatsRequest; +import org.projectfloodlight.openflow.protocol.OFMessage; +import org.projectfloodlight.openflow.protocol.OFObject; +import org.projectfloodlight.openflow.protocol.OFStatsReplyFlags; +import org.projectfloodlight.openflow.protocol.OFStatsRequest; +import org.projectfloodlight.openflow.protocol.OFType; +import org.projectfloodlight.openflow.types.OFPort; +import org.projectfloodlight.openflow.types.TableId; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.List; +import java.util.Set; +import java.util.concurrent.atomic.AtomicBoolean; + +public class CalientFiberSwitchHandshaker extends AbstractOpenFlowSwitch implements OpenFlowOpticalSwitch { + + private final AtomicBoolean driverHandshakeComplete = new AtomicBoolean(false); + private List<OFCalientPortDescStatsEntry> fiberPorts = new ArrayList<>(); + + + @Override + public Boolean supportNxRole() { + return false; + } + + @Override + public void startDriverHandshake() { + log.warn("Starting driver handshake for sw {}", getStringId()); + if (startDriverHandshakeCalled) { + throw new SwitchDriverSubHandshakeAlreadyStarted(); + } + startDriverHandshakeCalled = true; + try { + sendHandshakeOFExperimenterPortDescRequest(); + } catch (IOException e) { + log.error("Exception while sending experimenter port desc:", e.getMessage()); + e.printStackTrace(); + } + + } + + private void sendHandshakeOFExperimenterPortDescRequest() throws IOException { + // send multi part message for port description for optical switches + OFCalientPortDescStatsRequest portsRequest = factory() + .buildCalientPortDescStatsRequest() + .build(); + log.warn("Sending experimenter port description message {}", + portsRequest.toString()); + this.sendHandshakeMessage(portsRequest); + } + + @Override + public boolean isDriverHandshakeComplete() { + return driverHandshakeComplete.get(); + } + + @Override + public void processDriverHandshakeMessage(OFMessage m) { + if (!startDriverHandshakeCalled) { + throw new SwitchDriverSubHandshakeNotStarted(); + } + if (driverHandshakeComplete.get()) { + throw new SwitchDriverSubHandshakeCompleted(m); + } + + switch (m.getType()) { + case BARRIER_REPLY: + break; + case ERROR: + log.error("Switch Error {} {}", getStringId(), m); + break; + case FEATURES_REPLY: + break; + case FLOW_REMOVED: + break; + case GET_ASYNC_REPLY: + break; + case PACKET_IN: + break; + case PORT_STATUS: + break; + case QUEUE_GET_CONFIG_REPLY: + break; + case ROLE_REPLY: + break; + case STATS_REPLY: + log.warn("Received port desc reply"); + OFCalientPortDescStatsReply descStatsReply = (OFCalientPortDescStatsReply) m; + fiberPorts.addAll(descStatsReply.getPortDesc()); + // Multi-part message + if (!descStatsReply.getFlags().contains(OFStatsReplyFlags.REPLY_MORE)) { + driverHandshakeComplete.set(true); + } + break; + default: + log.warn("Received message {} during switch-driver " + + "subhandshake " + "from switch {} ... " + + "Ignoring message", m, + getStringId()); + + } + } + + @Override + public Device.Type deviceType() { + return Device.Type.FIBER_SWITCH; + } + + @Override + public List<? extends OFObject> getPortsOf(PortDescPropertyType type) { + return ImmutableList.copyOf(fiberPorts); + } + + @Override + public Set<PortDescPropertyType> getPortTypes() { + return ImmutableSet.of(PortDescPropertyType.OPTICAL_TRANSPORT); + } + + @Override + public final void sendMsg(OFMessage m) { + OFMessage newMsg = m; + + if (m.getType() == OFType.STATS_REQUEST) { + OFStatsRequest sr = (OFStatsRequest) m; + log.debug("Rebuilding stats request type {}", sr.getStatsType()); + switch (sr.getStatsType()) { + case FLOW: + OFCalientFlowStatsRequest request = this.factory().buildCalientFlowStatsRequest() + .setCookie(((OFFlowStatsRequest) sr).getCookie()) + .setCookieMask(((OFFlowStatsRequest) sr).getCookieMask()) + .setMatch(this.factory().matchWildcardAll()) + .setOutGroup(((OFFlowStatsRequest) sr).getOutGroup().getGroupNumber()) + .setOutPort(OFPort.ANY) + .setTableId(TableId.ALL) + .setXid(sr.getXid()) + .setFlags(sr.getFlags()) + .build(); + newMsg = request; + break; + case PORT: + // TODO + break; + default: + break; + } + } + + super.sendMsg(newMsg); + } +} |