| package org.onlab.onos.provider.of.flow.impl; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| import java.util.Collections; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.onlab.onos.net.flow.FlowId; |
| import org.onlab.onos.net.flow.FlowRule; |
| import org.onlab.onos.net.flow.TrafficSelector; |
| import org.onlab.onos.net.flow.TrafficTreatment; |
| import org.onlab.onos.net.flow.criteria.Criteria.EthCriterion; |
| import org.onlab.onos.net.flow.criteria.Criteria.EthTypeCriterion; |
| import org.onlab.onos.net.flow.criteria.Criteria.IPCriterion; |
| import org.onlab.onos.net.flow.criteria.Criteria.IPProtocolCriterion; |
| import org.onlab.onos.net.flow.criteria.Criteria.LambdaCriterion; |
| import org.onlab.onos.net.flow.criteria.Criteria.PortCriterion; |
| import org.onlab.onos.net.flow.criteria.Criteria.TcpPortCriterion; |
| import org.onlab.onos.net.flow.criteria.Criteria.VlanIdCriterion; |
| import org.onlab.onos.net.flow.criteria.Criteria.VlanPcpCriterion; |
| import org.onlab.onos.net.flow.criteria.Criterion; |
| import org.onlab.onos.net.flow.instructions.Instruction; |
| import org.onlab.onos.net.flow.instructions.Instructions.OutputInstruction; |
| import org.onlab.onos.net.flow.instructions.L0ModificationInstruction; |
| import org.onlab.onos.net.flow.instructions.L0ModificationInstruction.ModLambdaInstruction; |
| import org.onlab.onos.net.flow.instructions.L2ModificationInstruction; |
| import org.onlab.onos.net.flow.instructions.L2ModificationInstruction.ModEtherInstruction; |
| import org.onlab.onos.net.flow.instructions.L2ModificationInstruction.ModVlanIdInstruction; |
| import org.onlab.onos.net.flow.instructions.L2ModificationInstruction.ModVlanPcpInstruction; |
| import org.onlab.onos.net.flow.instructions.L3ModificationInstruction; |
| import org.onlab.onos.net.flow.instructions.L3ModificationInstruction.ModIPInstruction; |
| import org.projectfloodlight.openflow.protocol.OFFactory; |
| import org.projectfloodlight.openflow.protocol.OFFlowAdd; |
| import org.projectfloodlight.openflow.protocol.OFFlowDelete; |
| import org.projectfloodlight.openflow.protocol.OFFlowMod; |
| import org.projectfloodlight.openflow.protocol.OFFlowModFlags; |
| import org.projectfloodlight.openflow.protocol.action.OFAction; |
| import org.projectfloodlight.openflow.protocol.match.Match; |
| import org.projectfloodlight.openflow.protocol.match.MatchField; |
| import org.projectfloodlight.openflow.types.CircuitSignalID; |
| import org.projectfloodlight.openflow.types.EthType; |
| import org.projectfloodlight.openflow.types.IPv4Address; |
| import org.projectfloodlight.openflow.types.IpProtocol; |
| import org.projectfloodlight.openflow.types.MacAddress; |
| import org.projectfloodlight.openflow.types.Masked; |
| import org.projectfloodlight.openflow.types.OFBufferId; |
| import org.projectfloodlight.openflow.types.OFPort; |
| import org.projectfloodlight.openflow.types.OFVlanVidMatch; |
| import org.projectfloodlight.openflow.types.TransportPort; |
| import org.projectfloodlight.openflow.types.U64; |
| import org.projectfloodlight.openflow.types.VlanPcp; |
| import org.projectfloodlight.openflow.types.VlanVid; |
| import org.slf4j.Logger; |
| |
| |
| public class FlowModBuilder { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private final OFFactory factory; |
| private final TrafficTreatment treatment; |
| private final TrafficSelector selector; |
| |
| private final int priority; |
| |
| private final FlowId cookie; |
| |
| |
| |
| public FlowModBuilder(FlowRule flowRule, OFFactory factory) { |
| this.factory = factory; |
| this.treatment = flowRule.treatment(); |
| this.selector = flowRule.selector(); |
| this.priority = flowRule.priority(); |
| this.cookie = flowRule.id(); |
| } |
| |
| public OFFlowAdd buildFlowAdd() { |
| Match match = buildMatch(); |
| List<OFAction> actions = buildActions(); |
| |
| //TODO: what to do without bufferid? do we assume that there will be a pktout as well? |
| OFFlowAdd fm = factory.buildFlowAdd() |
| .setXid(cookie.value()) |
| .setCookie(U64.of(cookie.value())) |
| .setBufferId(OFBufferId.NO_BUFFER) |
| .setActions(actions) |
| .setMatch(match) |
| .setFlags(Collections.singleton(OFFlowModFlags.SEND_FLOW_REM)) |
| .setPriority(priority) |
| .build(); |
| |
| return fm; |
| |
| } |
| |
| public OFFlowMod buildFlowMod() { |
| Match match = buildMatch(); |
| List<OFAction> actions = buildActions(); |
| |
| //TODO: what to do without bufferid? do we assume that there will be a pktout as well? |
| OFFlowMod fm = factory.buildFlowModify() |
| .setXid(cookie.value()) |
| .setCookie(U64.of(cookie.value())) |
| .setBufferId(OFBufferId.NO_BUFFER) |
| .setActions(actions) |
| .setMatch(match) |
| .setFlags(Collections.singleton(OFFlowModFlags.SEND_FLOW_REM)) |
| .setPriority(priority) |
| .build(); |
| |
| return fm; |
| |
| } |
| |
| public OFFlowDelete buildFlowDel() { |
| Match match = buildMatch(); |
| List<OFAction> actions = buildActions(); |
| |
| OFFlowDelete fm = factory.buildFlowDelete() |
| .setXid(cookie.value()) |
| .setCookie(U64.of(cookie.value())) |
| .setBufferId(OFBufferId.NO_BUFFER) |
| .setActions(actions) |
| .setMatch(match) |
| .setFlags(Collections.singleton(OFFlowModFlags.SEND_FLOW_REM)) |
| .setPriority(priority) |
| .build(); |
| |
| return fm; |
| } |
| |
| private List<OFAction> buildActions() { |
| List<OFAction> acts = new LinkedList<>(); |
| if (treatment == null) { |
| return acts; |
| } |
| for (Instruction i : treatment.instructions()) { |
| switch (i.type()) { |
| case DROP: |
| log.warn("Saw drop action; assigning drop action"); |
| return new LinkedList<>(); |
| case L0MODIFICATION: |
| acts.add(buildL0Modification(i)); |
| break; |
| case L2MODIFICATION: |
| acts.add(buildL2Modification(i)); |
| break; |
| case L3MODIFICATION: |
| acts.add(buildL3Modification(i)); |
| break; |
| case OUTPUT: |
| OutputInstruction out = (OutputInstruction) i; |
| acts.add(factory.actions().buildOutput().setPort( |
| OFPort.of((int) out.port().toLong())).build()); |
| break; |
| case GROUP: |
| default: |
| log.warn("Instruction type {} not yet implemented.", i.type()); |
| } |
| } |
| |
| return acts; |
| } |
| |
| private OFAction buildL0Modification(Instruction i) { |
| L0ModificationInstruction l0m = (L0ModificationInstruction) i; |
| switch (l0m.subtype()) { |
| case LAMBDA: |
| ModLambdaInstruction ml = (ModLambdaInstruction) i; |
| return factory.actions().circuit(factory.oxms().ochSigidBasic( |
| new CircuitSignalID((byte) 1, (byte) 2, ml.lambda(), (short) 1))); |
| default: |
| log.warn("Unimplemented action type {}.", l0m.subtype()); |
| break; |
| } |
| return null; |
| } |
| |
| private OFAction buildL3Modification(Instruction i) { |
| L3ModificationInstruction l3m = (L3ModificationInstruction) i; |
| ModIPInstruction ip; |
| switch (l3m.subtype()) { |
| case IP_DST: |
| ip = (ModIPInstruction) i; |
| return factory.actions().setNwDst(IPv4Address.of(ip.ip().toInt())); |
| case IP_SRC: |
| ip = (ModIPInstruction) i; |
| return factory.actions().setNwSrc(IPv4Address.of(ip.ip().toInt())); |
| default: |
| log.warn("Unimplemented action type {}.", l3m.subtype()); |
| break; |
| } |
| return null; |
| } |
| |
| private OFAction buildL2Modification(Instruction i) { |
| L2ModificationInstruction l2m = (L2ModificationInstruction) i; |
| ModEtherInstruction eth; |
| switch (l2m.subtype()) { |
| case ETH_DST: |
| eth = (ModEtherInstruction) l2m; |
| return factory.actions().setDlDst(MacAddress.of(eth.mac().toLong())); |
| case ETH_SRC: |
| eth = (ModEtherInstruction) l2m; |
| return factory.actions().setDlSrc(MacAddress.of(eth.mac().toLong())); |
| case VLAN_ID: |
| ModVlanIdInstruction vlanId = (ModVlanIdInstruction) l2m; |
| return factory.actions().setVlanVid(VlanVid.ofVlan(vlanId.vlanId.toShort())); |
| case VLAN_PCP: |
| ModVlanPcpInstruction vlanPcp = (ModVlanPcpInstruction) l2m; |
| return factory.actions().setVlanPcp(VlanPcp.of(vlanPcp.vlanPcp())); |
| default: |
| log.warn("Unimplemented action type {}.", l2m.subtype()); |
| break; |
| } |
| return null; |
| } |
| |
| private Match buildMatch() { |
| Match.Builder mBuilder = factory.buildMatch(); |
| EthCriterion eth; |
| IPCriterion ip; |
| TcpPortCriterion tp; |
| for (Criterion c : selector.criteria()) { |
| switch (c.type()) { |
| case IN_PORT: |
| PortCriterion inport = (PortCriterion) c; |
| mBuilder.setExact(MatchField.IN_PORT, OFPort.of((int) inport.port().toLong())); |
| break; |
| case ETH_SRC: |
| eth = (EthCriterion) c; |
| mBuilder.setExact(MatchField.ETH_SRC, MacAddress.of(eth.mac().toLong())); |
| break; |
| case ETH_DST: |
| eth = (EthCriterion) c; |
| mBuilder.setExact(MatchField.ETH_DST, MacAddress.of(eth.mac().toLong())); |
| break; |
| case ETH_TYPE: |
| EthTypeCriterion ethType = (EthTypeCriterion) c; |
| mBuilder.setExact(MatchField.ETH_TYPE, EthType.of(ethType.ethType())); |
| break; |
| case IPV4_DST: |
| ip = (IPCriterion) c; |
| if (ip.ip().isMasked()) { |
| Masked<IPv4Address> maskedIp = Masked.of(IPv4Address.of(ip.ip().toInt()), |
| IPv4Address.of(ip.ip().netmask().toInt())); |
| mBuilder.setMasked(MatchField.IPV4_DST, maskedIp); |
| } else { |
| mBuilder.setExact(MatchField.IPV4_DST, IPv4Address.of(ip.ip().toInt())); |
| } |
| break; |
| case IPV4_SRC: |
| ip = (IPCriterion) c; |
| if (ip.ip().isMasked()) { |
| Masked<IPv4Address> maskedIp = Masked.of(IPv4Address.of(ip.ip().toInt()), |
| IPv4Address.of(ip.ip().netmask().toInt())); |
| mBuilder.setMasked(MatchField.IPV4_SRC, maskedIp); |
| } else { |
| mBuilder.setExact(MatchField.IPV4_SRC, IPv4Address.of(ip.ip().toInt())); |
| } |
| break; |
| case IP_PROTO: |
| IPProtocolCriterion p = (IPProtocolCriterion) c; |
| mBuilder.setExact(MatchField.IP_PROTO, IpProtocol.of(p.protocol())); |
| break; |
| case VLAN_PCP: |
| VlanPcpCriterion vpcp = (VlanPcpCriterion) c; |
| mBuilder.setExact(MatchField.VLAN_PCP, VlanPcp.of(vpcp.priority())); |
| break; |
| case VLAN_VID: |
| VlanIdCriterion vid = (VlanIdCriterion) c; |
| mBuilder.setExact(MatchField.VLAN_VID, |
| OFVlanVidMatch.ofVlanVid(VlanVid.ofVlan(vid.vlanId().toShort()))); |
| break; |
| case TCP_DST: |
| tp = (TcpPortCriterion) c; |
| mBuilder.setExact(MatchField.TCP_DST, TransportPort.of(tp.tcpPort())); |
| break; |
| case TCP_SRC: |
| tp = (TcpPortCriterion) c; |
| mBuilder.setExact(MatchField.TCP_SRC, TransportPort.of(tp.tcpPort())); |
| break; |
| case OCH_SIGID: |
| LambdaCriterion lc = (LambdaCriterion) c; |
| mBuilder.setExact(MatchField.OCH_SIGID, |
| new CircuitSignalID((byte) 1, (byte) 2, lc.lambda(), (short) 1)); |
| break; |
| case ARP_OP: |
| case ARP_SHA: |
| case ARP_SPA: |
| case ARP_THA: |
| case ARP_TPA: |
| case ICMPV4_CODE: |
| case ICMPV4_TYPE: |
| case ICMPV6_CODE: |
| case ICMPV6_TYPE: |
| case IN_PHY_PORT: |
| case IPV6_DST: |
| case IPV6_EXTHDR: |
| case IPV6_FLABEL: |
| case IPV6_ND_SLL: |
| case IPV6_ND_TARGET: |
| case IPV6_ND_TLL: |
| case IPV6_SRC: |
| case IP_DSCP: |
| case IP_ECN: |
| case METADATA: |
| case MPLS_BOS: |
| case MPLS_LABEL: |
| case MPLS_TC: |
| case PBB_ISID: |
| case SCTP_DST: |
| case SCTP_SRC: |
| case TUNNEL_ID: |
| case UDP_DST: |
| case UDP_SRC: |
| default: |
| log.warn("Match type {} not yet implemented.", c.type()); |
| } |
| } |
| return mBuilder.build(); |
| } |
| |
| |
| |
| } |