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-rw-r--r--sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/logging/reactive_logging.kt2
-rw-r--r--sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/server_handle.kt11
-rw-r--r--sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/shutdown_hook.kt41
3 files changed, 52 insertions, 2 deletions
diff --git a/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/logging/reactive_logging.kt b/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/logging/reactive_logging.kt
index e7aca55d..99ecfd74 100644
--- a/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/logging/reactive_logging.kt
+++ b/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/logging/reactive_logging.kt
@@ -71,4 +71,4 @@ fun <T> Flux<T>.filterFailedWithLog(logger: Logger,
logger.trace(context, it)
Mono.just<T>(t)
})
- } \ No newline at end of file
+ }
diff --git a/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/server_handle.kt b/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/server_handle.kt
index bdb63b68..b8784c64 100644
--- a/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/server_handle.kt
+++ b/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/server_handle.kt
@@ -20,7 +20,9 @@
package org.onap.dcae.collectors.veshv.utils
import arrow.effects.IO
+import org.onap.dcae.collectors.veshv.utils.logging.Logger
import reactor.netty.DisposableServer
+import java.time.Duration
/**
* @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
@@ -37,10 +39,17 @@ abstract class ServerHandle(val host: String, val port: Int) {
*/
class NettyServerHandle(private val ctx: DisposableServer) : ServerHandle(ctx.host(), ctx.port()) {
override fun shutdown() = IO {
- ctx.disposeNow()
+ logger.info { "Graceful shutdown" }
+ ctx.disposeNow(SHUTDOWN_TIMEOUT)
+ logger.info { "Server disposed" }
}
override fun await() = IO<Unit> {
ctx.channel().closeFuture().sync()
}
+
+ companion object {
+ val logger = Logger(NettyServerHandle::class)
+ private val SHUTDOWN_TIMEOUT = Duration.ofSeconds(10)
+ }
}
diff --git a/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/shutdown_hook.kt b/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/shutdown_hook.kt
new file mode 100644
index 00000000..2678a8d5
--- /dev/null
+++ b/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/shutdown_hook.kt
@@ -0,0 +1,41 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2019 NOKIA
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.dcae.collectors.veshv.utils
+
+import arrow.effects.IO
+
+/**
+ * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
+ * @since January 2019
+ */
+
+fun registerShutdownHook(job: () -> Unit) {
+ Runtime.getRuntime().addShutdownHook(object : Thread() {
+ override fun run() {
+ job()
+ }
+ })
+}
+
+fun registerShutdownHook(job: IO<Unit>) = IO {
+ registerShutdownHook {
+ job.unsafeRunSync()
+ }
+}