Java OFExperimenter.getExperimenter方法代码示例

import org.projectfloodlight.openflow.protocol.OFExperimenter; //导入方法依赖的package包/类
/**
 * Extract the role from an OFVendor message.
 *
 * Extract the role from an OFVendor message if the message is a
 * Nicira role reply. Otherwise return null.
 *
 * @param experimenterMsg message
 * @return The role in the message if the message is a Nicira role
 * reply, null otherwise.
 * @throws SwitchStateException If the message is a Nicira role reply
 * but the numeric role value is unknown.
 */
@Override
public RoleState extractNiciraRoleReply(OFExperimenter experimenterMsg)
        throws SwitchStateException {
    int vendor = (int) experimenterMsg.getExperimenter();
    if (vendor != 0x2320) {
        return null;
    }
    OFNiciraControllerRoleReply nrr =
            (OFNiciraControllerRoleReply) experimenterMsg;

    RoleState role = null;
    OFNiciraControllerRole ncr = nrr.getRole();
    switch (ncr) {
    case ROLE_MASTER:
        role = RoleState.MASTER;
        break;
    case ROLE_OTHER:
        role = RoleState.EQUAL;
        break;
    case ROLE_SLAVE:
        role = RoleState.SLAVE;
        break;
    default: //handled below
    }

    if (role == null) {
        String msg = String.format("Switch: [%s], "
                + "received NX_ROLE_REPLY with invalid role "
                + "value %s",
                sw.getStringId(),
                nrr.getRole());
        throw new SwitchStateException(msg);
    }
    return role;
}
 

import org.projectfloodlight.openflow.protocol.OFExperimenter; //导入方法依赖的package包/类
/**
 * Extract the role from an OFVendor message.
 *
 * Extract the role from an OFVendor message if the message is a Nicira
 * role reply. Otherwise return null.
 *
 * @param h The channel handler receiving the message
 * @param vendorMessage The vendor message to parse.
 * @return The role in the message if the message is a Nicira role
 *         reply, null otherwise.
 * @throws SwitchStateException If the message is a Nicira role reply
 *         but the numeric role value is unknown.
 */
protected Role extractNiciraRoleReply(OFChannelHandler h,
        OFExperimenter experimenterMsg) throws SwitchStateException {
    int vendor = (int) experimenterMsg.getExperimenter();
    if (vendor != 0x2320) // magic number representing nicira
        return null;
    OFNiciraControllerRoleReply nrr =
            (OFNiciraControllerRoleReply) experimenterMsg;

    Role role = null;
    OFNiciraControllerRole ncr = nrr.getRole();
    switch (ncr) {
    case ROLE_MASTER:
        role = Role.MASTER;
        break;
    case ROLE_OTHER:
        role = Role.EQUAL;
        break;
    case ROLE_SLAVE:
        role = Role.SLAVE;
        break;
    default: // handled below
    }

    if (role == null) {
        String msg = String.format("Switch: [%s], State: [%s], "
                + "received NX_ROLE_REPLY with invalid role "
                + "value %d",
                h.getSwitchInfoString(),
                this.toString(),
                nrr.getRole());
        throw new SwitchStateException(msg);
    }
    return role;
}
 

import org.projectfloodlight.openflow.protocol.OFExperimenter; //导入方法依赖的package包/类
private void handleMessage(OFMessage msg) {
	logger.debug("Message received channel handler: " + msg.getType().toString() + " switch datapathID: "
			+ dummySwitch.getDatapathId());

	if (msg.getType().equals(OFType.FLOW_MOD) || msg.getType().equals(OFType.PACKET_OUT)) {
		dummySwitch.setHandshakeCompleted(true);
	}

	if (msg.getType().equals(OFType.HELLO)) {
		Relay.sendToController(future,
				OFFactories.getFactory(agreedVersion).buildHello().setXid(msg.getXid()).build());
	} else if (msg.getType().equals(OFType.FEATURES_REQUEST)) {
		Relay.sendToController(future, dummySwitch.getFeatures());
		dummySwitch.setConnectionHandshake(true);
	} else if (msg.getType().equals(OFType.ECHO_REQUEST)) {
		Relay.sendToController(future, OFFactories.getFactory(msg.getVersion()).buildEchoReply()
				.setXid(msg.getXid()).setData(((OFEchoRequest) msg).getData()).build());
	} else if (msg.getType().equals(OFType.SET_CONFIG)) {
		OFGetConfigRequest.Builder configReqBuilder = OFFactories.getFactory(msg.getVersion())
				.buildGetConfigRequest();
		configReqBuilder.setXid(msg.getXid());
		Relay.sendToCore(coreConnector, configReqBuilder.build(), dummySwitch.getDatapathId(),
				moduleHandler.getModuleId(-1, moduleName));
		Relay.sendToCore(coreConnector, msg, dummySwitch.getDatapathId(),
				moduleHandler.getModuleId(-1, moduleName));
	} else if (msg.getType().equals(OFType.EXPERIMENTER)) {
		OFExperimenter experimenter = (OFExperimenter) msg;
		if (experimenter.getExperimenter() == 8992) {
			OFNiciraControllerRoleRequest roleRequest = (OFNiciraControllerRoleRequest) experimenter;
			Relay.sendToController(future, OFFactories.getFactory(msg.getVersion()).buildNiciraControllerRoleReply()
					.setXid(roleRequest.getXid()).setRole(roleRequest.getRole()).build());
			dummySwitch.setHandshakeCompleted(true);
		}
	} else if (msg.getType().equals(OFType.ROLE_REQUEST)) {
		OFRoleRequest ofRoleRequest = (OFRoleRequest) msg;
		Relay.sendToController(future, OFFactories.getFactory(msg.getVersion()).buildRoleReply()
				.setXid(msg.getXid()).setRole(ofRoleRequest.getRole()).build());
		dummySwitch.setHandshakeCompleted(true);
	} else {
		Relay.sendToCore(coreConnector, msg, dummySwitch.getDatapathId(),
				moduleHandler.getModuleId(-1, moduleName));
	}
}
 

import org.projectfloodlight.openflow.protocol.OFExperimenter; //导入方法依赖的package包/类
/**
 * Helper
 * Verify that the given OFMessage is a correct Nicira RoleRequest message
 */
private void verifyNiciraMessage(OFExperimenter ofMessage) {

    int vendor = (int) ofMessage.getExperimenter();
    assertEquals(vendor, 0x2320);// magic number representing nicira
}