diff options
author | Marek Gradzki <mgradzki@cisco.com> | 2016-09-27 14:24:06 +0200 |
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committer | Marek Gradzki <mgradzki@cisco.com> | 2016-09-27 14:24:06 +0200 |
commit | a4b65a2de72906e53c94de3beb098744d6fc14ae (patch) | |
tree | 1d491daab017b3b96eda81f40c4872786dc2b44b /vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/vpp/util/VppStatusListener.java | |
parent | c9820abdccb612d000a7a8bf6ddb763b3aec0a1d (diff) |
HONEYCOMB-206: change package name to match groupId
Change-Id: I74f769c09e86f08b1753e685a134d20e801bd7da
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
Diffstat (limited to 'vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/vpp/util/VppStatusListener.java')
-rw-r--r-- | vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/vpp/util/VppStatusListener.java | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/vpp/util/VppStatusListener.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/vpp/util/VppStatusListener.java new file mode 100644 index 000000000..1ea196651 --- /dev/null +++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/vpp/util/VppStatusListener.java @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2016 Cisco and/or its affiliates. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package io.fd.honeycomb.translate.vpp.util; + +import io.fd.honeycomb.translate.util.read.KeepaliveReaderWrapper; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Listens to vpp status changes. Restarts honeycomb if vpp is down. + */ +public final class VppStatusListener implements KeepaliveReaderWrapper.KeepaliveFailureListener { + + /** + * Value picked up by honeycomb start script, tigers honeycomb restart when returned by the java process + */ + public static final int RESTART_ERROR_CODE = 100; + private static final Logger LOG = LoggerFactory.getLogger(VppStatusListener.class); + + private volatile boolean down; + + public boolean isDown() { + return down; + } + + @Override + public void onKeepaliveFailure() { + LOG.error("Keepalive failed. VPP is probably DOWN! Restarting Honeycomb"); + this.down = true; + System.exit(RESTART_ERROR_CODE); + } +} |