-
/*
* Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
*
package org.opendaylight.controller.sal.match;
+import java.net.Inet4Address;
import java.net.InetAddress;
+import java.util.Arrays;
import org.opendaylight.controller.sal.core.NodeConnector;
import org.opendaylight.controller.sal.utils.HexEncode;
+import org.opendaylight.controller.sal.utils.NetUtils;
/**
- * Represents the binding between the id, the value and mask type and the range values
- * of the elements type that can be matched on the network frame/packet/message
- *
- *
- *
+ * Represents the binding between the id, the value and mask type and the range
+ * values of the elements type that can be matched on the network
+ * frame/packet/message
*/
public enum MatchType {
- IN_PORT("inPort", 1 << 0, NodeConnector.class, 1, 0),
- DL_SRC("dlSrc", 1 << 1, Byte[].class, 0, 0xffffffffffffL),
- DL_DST("dlDst", 1 << 2, Byte[].class, 0, 0xffffffffffffL),
- DL_VLAN("dlVlan", 1 << 3, Short.class, 2, 0xfff), // 2 bytes
+ IN_PORT("inPort", 1 << 0, NodeConnector.class, 1, 0),
+ DL_SRC("dlSrc", 1 << 1, Byte[].class, 0, 0xffffffffffffL),
+ DL_DST("dlDst", 1 << 2, Byte[].class, 0, 0xffffffffffffL),
+ DL_VLAN("dlVlan", 1 << 3, Short.class, 0, 0xfff), // 2 bytes
DL_VLAN_PR("dlVlanPriority", 1 << 4, Byte.class, 0, 0x7), // 3 bits
- DL_OUTER_VLAN("dlOuterVlan", 1 << 5, Short.class, 2, 0xfff),
- DL_OUTER_VLAN_PR("dlOuterVlanPriority", 1 << 6, Short.class, 0, 0x7),
+ DL_OUTER_VLAN("dlOuterVlan", 1 << 5, Short.class, 1, 0xfff),
+ DL_OUTER_VLAN_PR("dlOuterVlanPriority", 1 << 6, Short.class, 0, 0x7),
DL_TYPE("dlType", 1 << 7, Short.class, 0, 0xffff), // 2 bytes
- NW_TOS("nwTOS", 1 << 8, Byte.class, 0, 0xff), // 1 byte
+ NW_TOS("nwTOS", 1 << 8, Byte.class, 0, 0x3f), // 6 bits (DSCP field)
NW_PROTO("nwProto", 1 << 9, Byte.class, 0, 0xff), // 1 byte
- NW_SRC("nwSrc", 1 << 10, InetAddress.class, 0, 0),
- NW_DST("nwDst", 1 << 11, InetAddress.class, 0, 0),
+ NW_SRC("nwSrc", 1 << 10, InetAddress.class, 0, 0),
+ NW_DST("nwDst", 1 << 11, InetAddress.class, 0, 0),
TP_SRC("tpSrc", 1 << 12, Short.class, 1, 0xffff), // 2 bytes
TP_DST("tpDst", 1 << 13, Short.class, 1, 0xffff); // 2 bytes
+ // Used to indicate that no VLAN ID is set.
+ public static final short DL_VLAN_NONE = (short) 0;
+
private String id;
private int index;
private Class<?> dataType;
private long minValue;
private long maxValue;
- private MatchType(String id, int index, Class<?> dataType, long minValue,
- long maxValue) {
+ private MatchType(String id, int index, Class<?> dataType, long minValue, long maxValue) {
this.id = id;
this.index = index;
this.dataType = dataType;
}
public String getRange() {
- return "[0x" + Long.toHexString(minValue) + "-0x"
- + Long.toHexString(maxValue) + "]";
+ return "[0x" + Long.toHexString(minValue) + "-0x" + Long.toHexString(maxValue) + "]";
}
/**
- * Perform the assignment type validation
+ * Perform the assignment type validation
+ *
* @param value
* @param mask
* @return
Class<?> e = this.dataType();
Class<?> g = value.getClass();
- // This is all what we need, if value type is same of match required type
+ // This is all what we need, if value type is same of match required
+ // type
if (g.equals(e)) {
return true;
}
/**
* Perform the value and mask range validation
+ *
* @param value
* @param mask
* @return
val = ((Integer) value).intValue();
msk = (mask != null) ? ((Integer) mask).intValue() : 0;
- } else if (value.getClass() == Short.class
- || value.getClass() == short.class) {
+ } else if (value.getClass() == Short.class || value.getClass() == short.class) {
val = ((Short) value).intValue() & 0xffff;
msk = (mask != null) ? ((Short) mask).intValue() & 0xffff : 0;
- } else if (value.getClass() == Byte.class
- || value.getClass() == byte.class) {
+ } else if (value.getClass() == Byte.class || value.getClass() == byte.class) {
val = ((Byte) value).intValue() & 0xff;
msk = (mask != null) ? ((Byte) mask).intValue() & 0xff : 0;
}
/**
* Return the mask value in 64 bits bitmask form
+ *
* @param mask
* @return
*/
public long getBitMask(Object mask) {
if (this.dataType == InetAddress.class) {
- //TODO handle Inet v4 and v6 v6 will have a second upper mask
+ // TODO handle Inet v4 and v6 v6 will have a second upper mask
return 0;
}
if (this.dataType() == Byte[].class) {
byte mac[] = (byte[]) mask;
long bitmask = 0;
for (short i = 0; i < 6; i++) {
- // bitmask |= (((long)mac[i] & 0xffL) << (long)((5-i)*8));
- bitmask |= (((long) mac[i] & 0xffL) << ((5 - i) * 8));
+ bitmask |= ((mac[i] & 0xffL) << ((5 - i) * 8));
}
return bitmask;
}
if (this.dataType == Integer.class || this.dataType == int.class) {
- return (mask == null) ? this.maxValue : ((Integer) mask)
- .longValue();
+ return (mask == null) ? this.maxValue : ((Integer) mask).longValue();
}
if (this.dataType == Short.class || this.dataType == short.class) {
return 0L;
}
- public String stringify(Object value) {
- if (value == null) {
- return null;
- }
-
- switch (this) {
- case DL_DST:
- case DL_SRC:
- return HexEncode.bytesToHexStringFormat((byte[])value);
- case DL_TYPE:
- case DL_VLAN:
- if ((Short)value < 0) {
- return ((Integer) (((Short)value).intValue() & 0x7FFF | 0x8000)).toString();
- }
- break;
- case NW_SRC:
- case NW_DST:
- return ((InetAddress)value).getHostAddress();
- case TP_SRC:
- case TP_DST:
- if ((Short)value < 0) {
- return ((Integer) (((Short)value).intValue() & 0x7FFF | 0x8000)).toString();
- }
- break;
- }
- return value.toString();
- }
+ public String stringify(Object value) {
+ if (value == null) {
+ return null;
+ }
+
+ switch (this) {
+ case DL_DST:
+ case DL_SRC:
+ return HexEncode.bytesToHexStringFormat((byte[]) value);
+ case DL_TYPE:
+ case DL_VLAN:
+ return ((Integer) NetUtils.getUnsignedShort((Short) value)).toString();
+ case NW_SRC:
+ case NW_DST:
+ return ((InetAddress) value).getHostAddress();
+ case NW_TOS:
+ return ((Integer) NetUtils.getUnsignedByte((Byte) value)).toString();
+ case TP_SRC:
+ case TP_DST:
+ return ((Integer) NetUtils.getUnsignedShort((Short) value)).toString();
+ default:
+ break;
+ }
+ return value.toString();
+ }
+
+ public int valueHashCode(Object o) {
+ if (o == null) {
+ return 0;
+ }
+ switch (this) {
+ case DL_SRC:
+ case DL_DST:
+ return NetUtils.byteArray4ToInt((byte[])o);
+ default:
+ return o.hashCode();
+ }
+ }
+
+ public int hashCode(Object v, Object m) {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + this.hashCode();
+
+ switch (this) {
+ case DL_SRC:
+ case DL_DST:
+ result = prime * result + ((v == null)? 0 : NetUtils.byteArray4ToInt((byte[])v));
+ result = prime * result + ((m == null)? 0 : NetUtils.byteArray4ToInt((byte[])m));
+ break;
+ case NW_SRC:
+ case NW_DST:
+ // Hash code has to take into account only prefix address
+ InetAddress ip = (InetAddress) v;
+ int maskLen = (m == null) ? ((ip instanceof Inet4Address) ? 32 : 128) : NetUtils
+ .getSubnetMaskLength((InetAddress) m);
+ InetAddress prefix = NetUtils.getSubnetPrefix(ip, maskLen);
+ result = prime * result + ((v == null)? 0 : prefix.hashCode());
+ break;
+ default:
+ result = prime * result + ((v == null)? 0 : v.hashCode());
+ result = prime * result + ((m == null)? 0 : m.hashCode());
+ }
+ return result;
+ }
+ public boolean equalValues(Object a, Object b) {
+ if (a == b) {
+ return true;
+ }
+ if (a == null || b == null) {
+ return false;
+ }
+ switch (this) {
+ case DL_DST:
+ case DL_SRC:
+ return Arrays.equals((byte[]) a, (byte[]) b);
+ default:
+ return a.equals(b);
+ }
+ }
+
+ public boolean equalMasks(Object a, Object b) {
+ if (a == b) {
+ return true;
+ }
+ switch (this) {
+ case NW_SRC:
+ case NW_DST:
+ /*
+ * For network address mask, network node may return full mask for
+ * flows the controller generated with a null mask object
+ */
+ if (a == null || b == null) {
+ InetAddress mask = (a == null) ? (InetAddress) b : (InetAddress) a;
+ int maxLength = (mask instanceof Inet4Address) ? 32 : 128;
+ return (NetUtils.getSubnetMaskLength(mask) == maxLength);
+ }
+ default:
+ if (a == null) {
+ return false;
+ }
+ return a.equals(b);
+ }
+ }
+
+ public boolean equals(Object value1, Object value2, Object mask1, Object mask2) {
+ switch (this) {
+ case NW_SRC:
+ case NW_DST:
+ // Equality to be checked against prefix addresses
+ InetAddress thisIP = (InetAddress) value1;
+ int thisMaskLen = (mask1 == null) ? ((thisIP instanceof Inet4Address) ? 32 : 128) : NetUtils
+ .getSubnetMaskLength((InetAddress) mask1);
+ InetAddress otherIP = (InetAddress) value2;
+ int otherMaskLen = (mask2 == null) ? ((otherIP instanceof Inet4Address) ? 32 : 128) : NetUtils
+ .getSubnetMaskLength((InetAddress) mask2);
+
+ return NetUtils.getSubnetPrefix(thisIP, thisMaskLen)
+ .equals(NetUtils.getSubnetPrefix(otherIP, otherMaskLen));
+ default:
+ return (this.equalValues(value1, value2) && this.equalMasks(mask1, mask2));
+ }
+ }
}
Code Review / controller.git / blobdiff