diff options
Diffstat (limited to 'src/main/java/org/traccar/api')
| -rw-r--r-- | src/main/java/org/traccar/api/AsyncSocket.java | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/main/java/org/traccar/api/AsyncSocket.java b/src/main/java/org/traccar/api/AsyncSocket.java index b2ff5031a..b1853822d 100644 --- a/src/main/java/org/traccar/api/AsyncSocket.java +++ b/src/main/java/org/traccar/api/AsyncSocket.java @@ -1,5 +1,5 @@ /* - * Copyright 2015 - 2016 Anton Tananaev (anton@traccar.org) + * Copyright 2015 - 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. @@ -64,6 +64,11 @@ public class AsyncSocket extends WebSocketAdapter implements ConnectionManager.U } @Override + public void onKeepalive() { + sendData(new HashMap<>()); + } + + @Override public void onUpdateDevice(Device device) { Map<String, Collection<?>> data = new HashMap<>(); data.put(KEY_DEVICES, Collections.singletonList(device)); @@ -85,7 +90,7 @@ public class AsyncSocket extends WebSocketAdapter implements ConnectionManager.U } private void sendData(Map<String, Collection<?>> data) { - if (!data.isEmpty() && isConnected()) { + if (isConnected()) { try { getRemote().sendString(Context.getObjectMapper().writeValueAsString(data), null); } catch (JsonProcessingException e) { |