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authorMaros Marsalek <mmarsale@cisco.com>2016-06-29 16:01:40 +0200
committerMaros Marsalek <mmarsale@cisco.com>2016-06-29 16:06:48 +0200
commitfe7e4c45bdf74e91482964070205329d5009002d (patch)
tree7f866818ca4d5f82485b5bbd377f034b8048386f /v3po
parente187f2bd1301a3f20d5316c5a14a99b733f07550 (diff)
HONEYCOMB-105 Make interface notification creation thread safe
Change-Id: Ife48ff6ed3c8290f223fd14df1366927923bad30 Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
Diffstat (limited to 'v3po')
-rw-r--r--v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/notification/InterfaceChangeNotificationProducer.java14
-rw-r--r--v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/NamingContext.java24
2 files changed, 33 insertions, 5 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/notification/InterfaceChangeNotificationProducer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/notification/InterfaceChangeNotificationProducer.java
index 8ca63c1..002d58b 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/notification/InterfaceChangeNotificationProducer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/notification/InterfaceChangeNotificationProducer.java
@@ -15,6 +15,7 @@
*/
package io.fd.honeycomb.v3po.translate.v3po.notification;
+import com.google.common.base.Optional;
import com.google.common.collect.Lists;
import io.fd.honeycomb.v3po.notification.ManagedNotificationProducer;
import io.fd.honeycomb.v3po.notification.NotificationCollector;
@@ -74,13 +75,14 @@ public final class InterfaceChangeNotificationProducer implements ManagedNotific
notificationListenerReg = jvpp.getNotificationRegistry().registerSwInterfaceSetFlagsNotificationCallback(
swInterfaceSetFlagsNotification -> {
LOG.trace("Interface notification received: {}", swInterfaceSetFlagsNotification);
+ // TODO this should be lazy
collector.onNotification(transformNotification(swInterfaceSetFlagsNotification));
}
);
}
private Notification transformNotification(final SwInterfaceSetFlagsNotification swInterfaceSetFlagsNotification) {
- if(swInterfaceSetFlagsNotification.deleted == 1) {
+ if (swInterfaceSetFlagsNotification.deleted == 1) {
return new InterfaceDeletedBuilder().setName(getIfcName(swInterfaceSetFlagsNotification)).build();
} else {
return new InterfaceStateChangeBuilder()
@@ -95,12 +97,14 @@ public final class InterfaceChangeNotificationProducer implements ManagedNotific
* Get mapped name for the interface. Best effort only! The mapping might not yet be stored in context
* data tree (write transaction is still in progress and context changes have not been committed yet, or
* VPP sends the notification before it returns create request(that would store mapping)).
- *
+ * <p/>
* In case mapping is not available, index is used as name. TODO inconsistent behavior, maybe just use indices ?
*/
private InterfaceNameOrIndex getIfcName(final SwInterfaceSetFlagsNotification swInterfaceSetFlagsNotification) {
- return interfaceContext.containsName(swInterfaceSetFlagsNotification.swIfIndex, mappingContext)
- ? new InterfaceNameOrIndex(interfaceContext.getName(swInterfaceSetFlagsNotification.swIfIndex, mappingContext))
+ final Optional<String> optionalName =
+ interfaceContext.getNameIfPresent(swInterfaceSetFlagsNotification.swIfIndex, mappingContext);
+ return optionalName.isPresent()
+ ? new InterfaceNameOrIndex(optionalName.get())
: new InterfaceNameOrIndex((long) swInterfaceSetFlagsNotification.swIfIndex);
}
@@ -130,9 +134,9 @@ public final class InterfaceChangeNotificationProducer implements ManagedNotific
LOG.warn("Unable to {} interface notifications", enableDisable == 1 ? "enable" : "disable", e);
throw new IllegalStateException("Unable to control interface notifications", e);
}
-
}
+ @Nonnull
@Override
public Collection<Class<? extends Notification>> getNotificationTypes() {
final ArrayList<Class<? extends Notification>> classes = Lists.newArrayList();
diff --git a/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/NamingContext.java b/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/NamingContext.java
index bcc980d..dc77106 100644
--- a/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/NamingContext.java
+++ b/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/NamingContext.java
@@ -76,6 +76,9 @@ public final class NamingContext implements AutoCloseable {
if (!containsName(index, mappingContext)) {
final String artificialName = getArtificialName(index);
LOG.info("Assigning artificial name: {} for index: {}", artificialName, index);
+ for (StackTraceElement stackTraceElement : Thread.currentThread().getStackTrace()) {
+ LOG.error("{}", stackTraceElement.toString());
+ }
addName(index, artificialName, mappingContext);
}
@@ -88,6 +91,27 @@ public final class NamingContext implements AutoCloseable {
}
/**
+ * Retrieve name for mapping stored provided mappingContext instance. if present
+ *
+ * @param index index of a mapped item
+ * @param mappingContext mapping context providing context data for current transaction
+ *
+ * @return name mapped to provided index
+ */
+ @Nonnull
+ public synchronized Optional<String> getNameIfPresent(final int index,
+ @Nonnull final MappingContext mappingContext) {
+ final Optional<Mappings> read = mappingContext.read(namingContextIid.child(Mappings.class));
+
+ return read.isPresent()
+ ? Optional.of(read.get().getMapping().stream()
+ .filter(mapping -> mapping.getIndex().equals(index))
+ .collect(SINGLE_ITEM_COLLECTOR)
+ .getName())
+ : Optional.absent();
+ }
+
+ /**
* Check whether mapping is present for index.
*
* @param index index of a mapped item