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Disable DHCP relay counters

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The use of strong consistent counter creates a huge performance overhead.
The semaphore also prevent parallel processing of DHCP packets.
Moving forward, we should replace this with local counter, CRDT, or other less expensive counters.

Change-Id: I4023ae2b6867a3f3ab3675717ce6e9c396580b19
This commit is contained in:
Charles Chan 2019-02-01 11:31:50 -08:00 committed by Charles Chan
parent ee5d4b9366
commit b87495c31c
1 changed files with 17 additions and 14 deletions
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31
apps/dhcprelay/app/src/main/java/org/onosproject/dhcprelay/Dhcp6HandlerImpl.java
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@ -63,7 +63,6 @@ import org.onosproject.dhcprelay.config.IgnoreDhcpConfig;
import org.onosproject.dhcprelay.store.DhcpRelayStore;
import org.onosproject.dhcprelay.store.DhcpRecord;
import org.onosproject.dhcprelay.store.DhcpFpmPrefixStore;
import org.onosproject.dhcprelay.store.DhcpRelayCounters;
import org.onosproject.dhcprelay.store.DhcpRelayCountersStore;
import org.onosproject.net.Device;
import org.onosproject.net.DeviceId;
@ -725,12 +724,12 @@ public class Dhcp6HandlerImpl implements DhcpHandler, HostProvider {
leafClientMac = MacAddress.valueOf(clientIdOption.getDuid().getLinkLayerAddress());
} else {
log.warn("Link-Layer Address not supported in CLIENTID option. No DhcpRelay Record created.");
dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_LINKLOCAL_FAIL);
//dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_LINKLOCAL_FAIL);
return;
}
} else {
log.warn("CLIENTID option NOT found. Don't create DhcpRelay Record.");
dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_CLIENTID_FAIL);
//dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_CLIENTID_FAIL);
return;
}
@ -765,7 +764,7 @@ public class Dhcp6HandlerImpl implements DhcpHandler, HostProvider {
IpAddress nextHopIp = getFirstIpByHost(directConnFlag, srcMac, vlanId);
if (nextHopIp == null) {
log.warn("Can't find link-local IP address of gateway mac {} vlanId {}", srcMac, vlanId);
dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_LINKLOCAL_GW);
//dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_LINKLOCAL_GW);
return;
}
@ -835,6 +834,7 @@ public class Dhcp6HandlerImpl implements DhcpHandler, HostProvider {
record.updateLastSeen();
}
dhcpRelayStore.updateDhcpRecord(leafHostId, record);
/*
// TODO Use AtomicInteger for the counters
try {
recordSemaphore.acquire();
@ -847,6 +847,7 @@ public class Dhcp6HandlerImpl implements DhcpHandler, HostProvider {
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
*/
}
/**
@ -875,12 +876,12 @@ public class Dhcp6HandlerImpl implements DhcpHandler, HostProvider {
leafClientMac = MacAddress.valueOf(clientIdOption.getDuid().getLinkLayerAddress());
} else {
log.warn("Link-Layer Address not supported in CLIENTID option. No DhcpRelay Record created.");
dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_LINKLOCAL_FAIL);
//dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_LINKLOCAL_FAIL);
return;
}
} else {
log.warn("CLIENTID option NOT found. No DhcpRelay Record created.");
dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_CLIENTID_FAIL);
//dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_CLIENTID_FAIL);
return;
}
HostId leafHostId = HostId.hostId(leafClientMac, vlanId);
@ -928,7 +929,7 @@ public class Dhcp6HandlerImpl implements DhcpHandler, HostProvider {
IpAddress nextHopIp = getFirstIpByHost(directConnFlag, srcMac, vlanId);
if (nextHopIp == null) {
log.warn("Can't find link-local IP address of gateway mac {} vlanId {}", srcMac, vlanId);
dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_LINKLOCAL_GW);
//dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_LINKLOCAL_GW);
return;
}
@ -994,6 +995,7 @@ public class Dhcp6HandlerImpl implements DhcpHandler, HostProvider {
record.setDirectlyConnected(directConnFlag);
record.updateLastSeen();
dhcpRelayStore.updateDhcpRecord(leafHostId, record);
/*
// TODO Use AtomicInteger for the counters
try {
recordSemaphore.acquire();
@ -1006,6 +1008,7 @@ public class Dhcp6HandlerImpl implements DhcpHandler, HostProvider {
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
*/
}
private List<InternalPacket> processDhcp6ForwardOnly(PacketContext context,
@ -1138,7 +1141,7 @@ public class Dhcp6HandlerImpl implements DhcpHandler, HostProvider {
log.warn("Missing DHCP relay agent interface Ipv6 addr config for "
+ "packet from client on port: {}. Aborting packet processing",
clientInterfaces.iterator().next().connectPoint());
dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_CLIENT_INTF_MAC);
//dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_CLIENT_INTF_MAC);
return Lists.newArrayList();
}
@ -1219,12 +1222,12 @@ public class Dhcp6HandlerImpl implements DhcpHandler, HostProvider {
if (foundServerInfo == null) {
log.warn("Cannot find server info for {} server, inPort {}",
directConnFlag ? "direct" : "indirect", inPort);
dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_SERVER_INFO);
//dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_SERVER_INFO);
return null;
} else {
if (Dhcp6HandlerUtil.isServerIpEmpty(foundServerInfo)) {
log.warn("Cannot find server info's ipaddress");
dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_SERVER_IP6ADDR);
//dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_SERVER_IP6ADDR);
return null;
}
}
@ -1236,7 +1239,7 @@ public class Dhcp6HandlerImpl implements DhcpHandler, HostProvider {
.orElse(null);
if (interfaceIdOption == null) {
log.warn("Interface Id option is not present, abort packet...");
dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.OPTION_MISSING_FAIL);
//dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.OPTION_MISSING_FAIL);
return null;
}
@ -1249,7 +1252,7 @@ public class Dhcp6HandlerImpl implements DhcpHandler, HostProvider {
.findFirst().orElse(null);
if (clientInterface == null) {
log.warn("Cannot get client interface for from packet, abort... vlan {}", vlanIdInUse.toString());
dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_MATCHING_INTF);
//dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_MATCHING_INTF);
return null;
}
etherReply.setVlanID(vlanIdInUse.toShort());
@ -1257,7 +1260,7 @@ public class Dhcp6HandlerImpl implements DhcpHandler, HostProvider {
MacAddress relayAgentMac = clientInterface.mac();
if (relayAgentMac == null) {
log.warn("Can not get client interface mac, abort packet..");
dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_CLIENT_INTF_MAC);
//dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_CLIENT_INTF_MAC);
return null;
}
etherReply.setSourceMACAddress(relayAgentMac);
@ -1275,7 +1278,7 @@ public class Dhcp6HandlerImpl implements DhcpHandler, HostProvider {
clientMac = clients.iterator().next().mac();
if (clientMac == null) {
log.warn("No client mac address found, abort packet...");
dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_CLIENT_INTF_MAC);
//dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_CLIENT_INTF_MAC);
return null;
}
log.trace("Client mac address found from getHostByIp");