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authorAnton Tananaev <anton.tananaev@gmail.com>2021-06-29 20:51:13 -0700
committerAnton Tananaev <anton.tananaev@gmail.com>2021-06-29 20:51:13 -0700
commit49724e51630410e9a2c99a27ec7963a315f6575e (patch)
treec2802a9d0b71c2d1502e4004497b77f66970e7cf /src/main/java/org/traccar/schedule
parent419cc923e428dcd68ca92906bf6511cbd574b8c2 (diff)
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WebSocket connection keepalive
Diffstat (limited to 'src/main/java/org/traccar/schedule')
-rw-r--r--src/main/java/org/traccar/schedule/ScheduleManager.java3
-rw-r--r--src/main/java/org/traccar/schedule/TaskWebSocketKeepalive.java36
2 files changed, 38 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/schedule/ScheduleManager.java b/src/main/java/org/traccar/schedule/ScheduleManager.java
index 4def211d0..5d5054100 100644
--- a/src/main/java/org/traccar/schedule/ScheduleManager.java
+++ b/src/main/java/org/traccar/schedule/ScheduleManager.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2020 Anton Tananaev (anton@traccar.org)
+ * Copyright 2020 - 2021 Anton Tananaev (anton@traccar.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -27,6 +27,7 @@ public class ScheduleManager {
executor = Executors.newSingleThreadScheduledExecutor();
new TaskDeviceInactivityCheck().schedule(executor);
+ new TaskWebSocketKeepalive().schedule(executor);
}
diff --git a/src/main/java/org/traccar/schedule/TaskWebSocketKeepalive.java b/src/main/java/org/traccar/schedule/TaskWebSocketKeepalive.java
new file mode 100644
index 000000000..953b0efea
--- /dev/null
+++ b/src/main/java/org/traccar/schedule/TaskWebSocketKeepalive.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2021 Anton Tananaev (anton@traccar.org)
+ *
+ * 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 org.traccar.schedule;
+
+import org.traccar.Context;
+
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+
+public class TaskWebSocketKeepalive implements Runnable {
+
+ private static final long PERIOD_SECONDS = 55;
+
+ public void schedule(ScheduledExecutorService executor) {
+ executor.scheduleAtFixedRate(this, PERIOD_SECONDS, PERIOD_SECONDS, TimeUnit.SECONDS);
+ }
+
+ @Override
+ public void run() {
+ Context.getConnectionManager().sendKeepalive();
+ }
+
+}