add implementation of OFMatchV1 match, normalization
diff --git a/java_gen/templates/custom/OFMatchV1Ver10.java b/java_gen/templates/custom/OFMatchV1Ver10.java
index ec7bfcc..7b1f110 100644
--- a/java_gen/templates/custom/OFMatchV1Ver10.java
+++ b/java_gen/templates/custom/OFMatchV1Ver10.java
@@ -1,44 +1,307 @@
+ final public static int OFPFW_ALL = ((1 << 22) - 1);
+ final public static int OFPFW_IN_PORT = 1 << 0; /* Switch input port. */
+ final public static int OFPFW_DL_VLAN = 1 << 1; /* VLAN id. */
+ final public static int OFPFW_DL_SRC = 1 << 2; /* Ethernet source address. */
+ final public static int OFPFW_DL_DST = 1 << 3; /*
+ * Ethernet destination
+ * address.
+ */
+ final public static int OFPFW_DL_TYPE = 1 << 4; /* Ethernet frame type. */
+ final public static int OFPFW_NW_PROTO = 1 << 5; /* IP protocol. */
+ final public static int OFPFW_TP_SRC = 1 << 6; /* TCP/UDP source port. */
+ final public static int OFPFW_TP_DST = 1 << 7; /* TCP/UDP destination port. */
+
+ /*
+ * IP source address wildcard bit count. 0 is exact match, 1 ignores the
+ * LSB, 2 ignores the 2 least-significant bits, ..., 32 and higher wildcard
+ * the entire field. This is the *opposite* of the usual convention where
+ * e.g. /24 indicates that 8 bits (not 24 bits) are wildcarded.
+ */
+ final public static int OFPFW_NW_SRC_SHIFT = 8;
+ final public static int OFPFW_NW_SRC_BITS = 6;
+ final public static int OFPFW_NW_SRC_MASK = ((1 << OFPFW_NW_SRC_BITS) - 1) << OFPFW_NW_SRC_SHIFT;
+ final public static int OFPFW_NW_SRC_ALL = 32 << OFPFW_NW_SRC_SHIFT;
+
+ /* IP destination address wildcard bit count. Same format as source. */
+ final public static int OFPFW_NW_DST_SHIFT = 14;
+ final public static int OFPFW_NW_DST_BITS = 6;
+ final public static int OFPFW_NW_DST_MASK = ((1 << OFPFW_NW_DST_BITS) - 1) << OFPFW_NW_DST_SHIFT;
+ final public static int OFPFW_NW_DST_ALL = 32 << OFPFW_NW_DST_SHIFT;
+
+ final public static int OFPFW_DL_VLAN_PCP = 1 << 20; /* VLAN priority. */
+ final public static int OFPFW_NW_TOS = 1 << 21; /* IP ToS (DSCP field, 6bits) */
+
+ @SuppressWarnings("unchecked")
@Override
public <F extends OFValueType<F>> F get(MatchField<F> field)
throws UnsupportedOperationException {
- // FIXME yotam - please replace with real implementation
- return null;
+ if (isFullyWildcarded(field))
+ return null;
+ if (!field.arePrerequisitesOK(this))
+ return null;
+
+ Object result;
+ switch (field.id) {
+ case IN_PORT:
+ result = inPort;
+ break;
+ case ETH_DST:
+ result = ethDst;
+ break;
+ case ETH_SRC:
+ result = ethSrc;
+ break;
+ case ETH_TYPE:
+ result = ethType;
+ break;
+ case VLAN_VID:
+ result = vlanVid;
+ break;
+ case VLAN_PCP:
+ result = vlanPcp;
+ break;
+ case IP_DSCP:
+ result = ipDscp;
+ break;
+ case IP_PROTO:
+ result = ipProto;
+ break;
+ case IPV4_SRC:
+ result = ipv4Dst;
+ break;
+ case IPV4_DST:
+ result = ipv4Dst;
+ break;
+ case TCP_SRC:
+ result = ipv4Src;
+ break;
+ case TCP_DST:
+ result = tcpDst;
+ break;
+ case UDP_SRC:
+ result = tcpSrc;
+ break;
+ case UDP_DST:
+ result = tcpDst;
+ break;
+ case SCTP_SRC:
+ result = tcpSrc;
+ break;
+ case SCTP_DST:
+ result = tcpDst;
+ break;
+ case ICMPV4_TYPE:
+ result = tcpSrc;
+ break;
+ case ICMPV4_CODE:
+ result = tcpDst;
+ break;
+ // NOT SUPPORTED:
+ default:
+ throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName());
+ }
+ return (F)result;
}
+ @SuppressWarnings("unchecked")
@Override
public <F extends OFValueType<F>> Masked<F> getMasked(MatchField<F> field)
throws UnsupportedOperationException {
- // FIXME yotam - please replace with real implementation
- return null;
+ if (!isPartiallyMasked(field))
+ return null;
+ if (!field.arePrerequisitesOK(this))
+ return null;
+ Object result;
+ switch (field.id) {
+ case IPV4_SRC:
+ int srcBitMask = (-1) << (32 - getIpv4SrcCidrMaskLen());
+ result = IPv4AddressWithMask.of(ipv4Src, IPv4Address.of(srcBitMask));
+ break;
+ case IPV4_DST:
+ int dstMaskedBits = Math.min(32, (wildcards & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT);
+ int dstBitMask = (-1) << (32 - getIpv4DstCidrMaskLen());
+
+ result = IPv4AddressWithMask.of(ipv4Dst, IPv4Address.of(dstBitMask));
+ break;
+ default:
+ throw new UnsupportedOperationException("OFMatch does not support masked matching on field " + field.getName());
+ }
+ return (Masked<F>)result;
}
@Override
public boolean supports(MatchField<?> field) {
- // FIXME yotam - please replace with real implementation
- return false;
+ switch (field.id) {
+ case IN_PORT:
+ case ETH_DST:
+ case ETH_SRC:
+ case ETH_TYPE:
+ case VLAN_VID:
+ case VLAN_PCP:
+ case IP_DSCP:
+ case IP_PROTO:
+ case IPV4_SRC:
+ case IPV4_DST:
+ case TCP_SRC:
+ case TCP_DST:
+ case UDP_SRC:
+ case UDP_DST:
+ case SCTP_SRC:
+ case SCTP_DST:
+ case ICMPV4_TYPE:
+ case ICMPV4_CODE:
+ return true;
+ default:
+ return false;
+ }
}
@Override
public boolean supportsMasked(MatchField<?> field) {
- // FIXME yotam - please replace with real implementation
- return false;
+ switch (field.id) {
+ case IPV4_SRC:
+ case IPV4_DST:
+ return true;
+ default:
+ return false;
+ }
}
@Override
public boolean isExact(MatchField<?> field) {
- // FIXME yotam - please replace with real implementation
- return false;
+ if (!field.arePrerequisitesOK(this))
+ return false;
+
+ switch (field.id) {
+ case IN_PORT:
+ return (this.wildcards & OFPFW_IN_PORT) == 0;
+ case ETH_DST:
+ return (this.wildcards & OFPFW_DL_DST) == 0;
+ case ETH_SRC:
+ return (this.wildcards & OFPFW_DL_SRC) == 0;
+ case ETH_TYPE:
+ return (this.wildcards & OFPFW_DL_TYPE) == 0;
+ case VLAN_VID:
+ return (this.wildcards & OFPFW_DL_VLAN) == 0;
+ case VLAN_PCP:
+ return (this.wildcards & OFPFW_DL_VLAN_PCP) == 0;
+ case IP_DSCP:
+ return (this.wildcards & OFPFW_NW_TOS) == 0;
+ case IP_PROTO:
+ return (this.wildcards & OFPFW_NW_PROTO) == 0;
+ case IPV4_SRC:
+ return this.getIpv4SrcCidrMaskLen() >= 32;
+ case IPV4_DST:
+ return this.getIpv4DstCidrMaskLen() >= 32;
+ case TCP_SRC:
+ return (this.wildcards & OFPFW_TP_SRC) == 0;
+ case TCP_DST:
+ return (this.wildcards & OFPFW_TP_DST) == 0;
+ case UDP_SRC:
+ return (this.wildcards & OFPFW_TP_SRC) == 0;
+ case UDP_DST:
+ return (this.wildcards & OFPFW_TP_DST) == 0;
+ case SCTP_SRC:
+ return (this.wildcards & OFPFW_TP_SRC) == 0;
+ case SCTP_DST:
+ return (this.wildcards & OFPFW_TP_DST) == 0;
+ case ICMPV4_TYPE:
+ return (this.wildcards & OFPFW_TP_SRC) == 0;
+ case ICMPV4_CODE:
+ return (this.wildcards & OFPFW_TP_DST) == 0;
+ default:
+ throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName());
+ }
}
+ /**
+ * Parse this match's wildcard fields and return the number of significant
+ * bits in the IP destination field. NOTE: this returns the number of bits
+ * that are fixed, i.e., like CIDR, not the number of bits that are free
+ * like OpenFlow encodes.
+ *
+ * @return A number between 0 (matches all IPs) and 32 (exact match)
+ */
+ public int getIpv4DstCidrMaskLen() {
+ return Math.max(32 - ((wildcards & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT),
+ 0);
+ }
+
+ /**
+ * Parse this match's wildcard fields and return the number of significant
+ * bits in the IP destination field. NOTE: this returns the number of bits
+ * that are fixed, i.e., like CIDR, not the number of bits that are free
+ * like OpenFlow encodes.
+ *
+ * @return A number between 0 (matches all IPs) and 32 (exact match)
+ */
+ public int getIpv4SrcCidrMaskLen() {
+ return Math.max(32 - ((wildcards & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT),
+ 0);
+ }
+
+
@Override
public boolean isFullyWildcarded(MatchField<?> field) {
- // FIXME yotam - please replace with real implementation
- return false;
+ if (!field.arePrerequisitesOK(this))
+ return true;
+
+ switch (field.id) {
+ case IN_PORT:
+ return (this.wildcards & OFPFW_IN_PORT) != 0;
+ case ETH_DST:
+ return (this.wildcards & OFPFW_DL_DST) != 0;
+ case ETH_SRC:
+ return (this.wildcards & OFPFW_DL_SRC) != 0;
+ case ETH_TYPE:
+ return (this.wildcards & OFPFW_DL_TYPE) != 0;
+ case VLAN_VID:
+ return (this.wildcards & OFPFW_DL_VLAN) != 0;
+ case VLAN_PCP:
+ return (this.wildcards & OFPFW_DL_VLAN_PCP) != 0;
+ case IP_DSCP:
+ return (this.wildcards & OFPFW_NW_TOS) != 0;
+ case IP_PROTO:
+ return (this.wildcards & OFPFW_NW_PROTO) != 0;
+ case TCP_SRC:
+ return (this.wildcards & OFPFW_TP_SRC) != 0;
+ case TCP_DST:
+ return (this.wildcards & OFPFW_TP_DST) != 0;
+ case UDP_SRC:
+ return (this.wildcards & OFPFW_TP_SRC) != 0;
+ case UDP_DST:
+ return (this.wildcards & OFPFW_TP_DST) != 0;
+ case SCTP_SRC:
+ return (this.wildcards & OFPFW_TP_SRC) != 0;
+ case SCTP_DST:
+ return (this.wildcards & OFPFW_TP_DST) != 0;
+ case ICMPV4_TYPE:
+ return (this.wildcards & OFPFW_TP_SRC) != 0;
+ case ICMPV4_CODE:
+ return (this.wildcards & OFPFW_TP_DST) != 0;
+ case IPV4_SRC:
+ return this.getIpv4SrcCidrMaskLen() <= 0;
+ case IPV4_DST:
+ return this.getIpv4DstCidrMaskLen() <= 0;
+ default:
+ throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName());
+ }
}
@Override
public boolean isPartiallyMasked(MatchField<?> field) {
- // FIXME yotam - please replace with real implementation
- return false;
+ if (!field.arePrerequisitesOK(this))
+ return false;
+
+ switch (field.id) {
+ case IPV4_SRC:
+ int srcCidrLen = getIpv4SrcCidrMaskLen();
+ return srcCidrLen > 0 && srcCidrLen < 32;
+ case IPV4_DST:
+ int dstCidrLen = getIpv4SrcCidrMaskLen();
+ return dstCidrLen > 0 && dstCidrLen < 32;
+ default:
+ throw new UnsupportedOperationException("OFMatch does not support masked matching on field " + field.getName());
+ }
}