+++ /dev/null
-/**
-* Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior
-* University
-*
-* 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.openflow.protocol;
-
-import java.util.Arrays;
-import java.util.List;
-
-import org.jboss.netty.buffer.ChannelBuffer;
-import org.jboss.netty.buffer.ChannelBuffers;
-import org.openflow.protocol.factory.MessageParseException;
-import org.openflow.protocol.factory.OFMessageFactory;
-import org.openflow.protocol.factory.OFMessageFactoryAware;
-import org.openflow.util.U16;
-
-/**
- * Represents an ofp_error_msg
- *
- * @author David Erickson (daviderickson@cs.stanford.edu)
- * @author Rob Sherwood (rob.sherwood@stanford.edu)
- */
-public class OFError extends OFMessage implements OFMessageFactoryAware {
- public static int MINIMUM_LENGTH = 12;
-
- public enum OFErrorType {
- // OFPET_VENDOR_ERROR is an extension that was added in Open vSwitch and isn't
- // in the OF 1.0 spec, but it was easier to add it here instead of adding
- // generic support for extensible vendor-defined error messages.
- // It uses the random value 0xb0c2 to avoid conflicts with other possible new
- // error types. Support for vendor-defined extended errors has been standardized
- // in the OF 1.2 spec, so this workaround is only needed for 1.0.
- OFPET_HELLO_FAILED, OFPET_BAD_REQUEST, OFPET_BAD_ACTION, OFPET_FLOW_MOD_FAILED, OFPET_PORT_MOD_FAILED, OFPET_QUEUE_OP_FAILED, OFPET_VENDOR_ERROR((short)0xb0c2);
-
- protected short value;
-
- private OFErrorType() {
- this.value = (short) this.ordinal();
- }
-
- private OFErrorType(short value) {
- this.value = value;
- }
-
- public short getValue() {
- return value;
- }
- }
-
- public enum OFHelloFailedCode {
- OFPHFC_INCOMPATIBLE, OFPHFC_EPERM
- }
-
- public enum OFBadRequestCode {
- OFPBRC_BAD_VERSION, OFPBRC_BAD_TYPE, OFPBRC_BAD_STAT, OFPBRC_BAD_VENDOR, OFPBRC_BAD_SUBTYPE, OFPBRC_EPERM, OFPBRC_BAD_LEN, OFPBRC_BUFFER_EMPTY, OFPBRC_BUFFER_UNKNOWN
- }
-
- public enum OFBadActionCode {
- OFPBAC_BAD_TYPE, OFPBAC_BAD_LEN, OFPBAC_BAD_VENDOR, OFPBAC_BAD_VENDOR_TYPE, OFPBAC_BAD_OUT_PORT, OFPBAC_BAD_ARGUMENT, OFPBAC_EPERM, OFPBAC_TOO_MANY, OFPBAC_BAD_QUEUE
- }
-
- public enum OFFlowModFailedCode {
- OFPFMFC_ALL_TABLES_FULL, OFPFMFC_OVERLAP, OFPFMFC_EPERM, OFPFMFC_BAD_EMERG_TIMEOUT, OFPFMFC_BAD_COMMAND, OFPFMFC_UNSUPPORTED
- }
-
- public enum OFPortModFailedCode {
- OFPPMFC_BAD_PORT, OFPPMFC_BAD_HW_ADDR
- }
-
- public enum OFQueueOpFailedCode {
- OFPQOFC_BAD_PORT, OFPQOFC_BAD_QUEUE, OFPQOFC_EPERM
- }
-
- protected short errorType;
- protected short errorCode;
- protected int vendor;
- protected int vendorErrorType;
- protected short vendorErrorCode;
- protected OFMessageFactory factory;
- protected byte[] error;
- protected boolean errorIsAscii;
-
- public OFError() {
- super();
- this.type = OFType.ERROR;
- this.length = U16.t(MINIMUM_LENGTH);
- }
-
- /** convenience constructor */
- public OFError(OFErrorType errorType) {
- this();
- setErrorType(errorType);
- }
-
- /**
- * @return the errorType
- */
- public short getErrorType() {
- return errorType;
- }
-
- /**
- * @param errorType
- * the errorType to set
- */
- public void setErrorType(short errorType) {
- this.errorType = errorType;
- }
-
- public void setErrorType(OFErrorType type) {
- this.errorType = type.getValue();
- }
-
- /**
- * @return true if the error is an extended vendor error
- */
- public boolean isVendorError() {
- return errorType == OFErrorType.OFPET_VENDOR_ERROR.getValue();
- }
-
- /**
- * @return the errorCode
- */
- public short getErrorCode() {
- return errorCode;
- }
-
- /**
- * @param errorCode
- * the errorCode to set
- */
- public void setErrorCode(OFHelloFailedCode code) {
- this.errorCode = (short) code.ordinal();
- }
-
- public void setErrorCode(short errorCode) {
- this.errorCode = errorCode;
- }
-
- public void setErrorCode(OFBadRequestCode code) {
- this.errorCode = (short) code.ordinal();
- }
-
- public void setErrorCode(OFBadActionCode code) {
- this.errorCode = (short) code.ordinal();
- }
-
- public void setErrorCode(OFFlowModFailedCode code) {
- this.errorCode = (short) code.ordinal();
- }
-
- public void setErrorCode(OFPortModFailedCode code) {
- this.errorCode = (short) code.ordinal();
- }
-
- public void setErrorCode(OFQueueOpFailedCode code) {
- this.errorCode = (short) code.ordinal();
- }
-
- public int getVendorErrorType() {
- return vendorErrorType;
- }
-
- public void setVendorErrorType(int vendorErrorType) {
- this.vendorErrorType = vendorErrorType;
- }
-
- public short getVendorErrorCode() {
- return vendorErrorCode;
- }
-
- public void setVendorErrorCode(short vendorErrorCode) {
- this.vendorErrorCode = vendorErrorCode;
- }
-
- public OFMessage getOffendingMsg() throws MessageParseException {
- // should only have one message embedded; if more than one, just
- // grab first
- if (this.error == null)
- return null;
- ChannelBuffer errorMsg = ChannelBuffers.wrappedBuffer(this.error);
- if (factory == null)
- throw new RuntimeException("MessageFactory not set");
-
- List<OFMessage> msglist = this.factory.parseMessage(errorMsg);
- if (msglist == null)
- return null;
- return msglist.get(0);
- }
-
- /**
- * Write this offending message into the payload of the Error message
- *
- * @param offendingMsg
- */
-
- public void setOffendingMsg(OFMessage offendingMsg) {
- if (offendingMsg == null) {
- super.setLengthU(MINIMUM_LENGTH);
- } else {
- this.error = new byte[offendingMsg.getLengthU()];
- ChannelBuffer data = ChannelBuffers.wrappedBuffer(this.error);
- data.writerIndex(0);
- offendingMsg.writeTo(data);
- super.setLengthU(MINIMUM_LENGTH + offendingMsg.getLengthU());
- }
- }
-
- public OFMessageFactory getFactory() {
- return factory;
- }
-
- @Override
- public void setMessageFactory(OFMessageFactory factory) {
- this.factory = factory;
- }
-
- /**
- * @return the error
- */
- public byte[] getError() {
- return error;
- }
-
- /**
- * @param error
- * the error to set
- */
- public void setError(byte[] error) {
- this.error = error;
- }
-
- /**
- * @return the errorIsAscii
- */
- public boolean isErrorIsAscii() {
- return errorIsAscii;
- }
-
- /**
- * @param errorIsAscii
- * the errorIsAscii to set
- */
- public void setErrorIsAscii(boolean errorIsAscii) {
- this.errorIsAscii = errorIsAscii;
- }
-
- @Override
- public void readFrom(ChannelBuffer data) {
- super.readFrom(data);
- this.errorType = data.readShort();
- this.errorCode = data.readShort();
- int dataLength = this.getLengthU() - MINIMUM_LENGTH;
- if (dataLength > 0) {
- this.error = new byte[dataLength];
- data.readBytes(this.error);
- if (this.errorType == OFErrorType.OFPET_HELLO_FAILED.getValue())
- this.errorIsAscii = true;
- }
- }
-
- @Override
- public void writeTo(ChannelBuffer data) {
- super.writeTo(data);
- data.writeShort(errorType);
- data.writeShort(errorCode);
- if (error != null)
- data.writeBytes(error);
- }
-
- /*
- * (non-Javadoc)
- *
- * @see java.lang.Object#hashCode()
- */
- @Override
- public int hashCode() {
- final int prime = 31;
- int result = super.hashCode();
- result = prime * result + Arrays.hashCode(error);
- result = prime * result + errorCode;
- result = prime * result + (errorIsAscii ? 1231 : 1237);
- result = prime * result + errorType;
- return result;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see java.lang.Object#equals(java.lang.Object)
- */
- @Override
- public boolean equals(Object obj) {
- if (this == obj)
- return true;
- if (!super.equals(obj))
- return false;
- if (getClass() != obj.getClass())
- return false;
- OFError other = (OFError) obj;
- if (!Arrays.equals(error, other.error))
- return false;
- if (errorCode != other.errorCode)
- return false;
- if (errorIsAscii != other.errorIsAscii)
- return false;
- if (errorType != other.errorType)
- return false;
- return true;
- }
-
-}
Code Review / openflowjava.git / blobdiff