From fb5e953f90f0bf48593feb88138a5ee1706b6989 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Fri, 2 Nov 2018 16:05:31 +1300
Subject: Implement universal HTTP SMS manager

---
 src/org/traccar/sms/smpp/EnquireLinkTask.java | 59 +++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 src/org/traccar/sms/smpp/EnquireLinkTask.java

(limited to 'src/org/traccar/sms/smpp/EnquireLinkTask.java')

diff --git a/src/org/traccar/sms/smpp/EnquireLinkTask.java b/src/org/traccar/sms/smpp/EnquireLinkTask.java
new file mode 100644
index 000000000..7086709d7
--- /dev/null
+++ b/src/org/traccar/sms/smpp/EnquireLinkTask.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 Andrey Kunitsyn (andrey@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.sms.smpp;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.cloudhopper.smpp.SmppSession;
+import com.cloudhopper.smpp.pdu.EnquireLink;
+import com.cloudhopper.smpp.type.RecoverablePduException;
+import com.cloudhopper.smpp.type.SmppChannelException;
+import com.cloudhopper.smpp.type.SmppTimeoutException;
+import com.cloudhopper.smpp.type.UnrecoverablePduException;
+
+public class EnquireLinkTask implements Runnable {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(EnquireLinkTask.class);
+
+    private SmppClient smppClient;
+    private Integer enquireLinkTimeout;
+
+    public EnquireLinkTask(SmppClient smppClient, Integer enquireLinkTimeout) {
+        this.smppClient = smppClient;
+        this.enquireLinkTimeout = enquireLinkTimeout;
+    }
+
+    @Override
+    public void run() {
+        SmppSession smppSession = smppClient.getSession();
+        if (smppSession != null && smppSession.isBound()) {
+            try {
+                smppSession.enquireLink(new EnquireLink(), enquireLinkTimeout);
+            } catch (SmppTimeoutException | SmppChannelException
+                    | RecoverablePduException | UnrecoverablePduException error) {
+                LOGGER.warn("Enquire link failed, executing reconnect: ", error);
+                smppClient.scheduleReconnect();
+            } catch (InterruptedException error) {
+                LOGGER.info("Enquire link interrupted, probably killed by reconnecting");
+            }
+        } else {
+            LOGGER.warn("Enquire link running while session is not connected");
+        }
+    }
+
+}
-- 
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