1 files changed, 31 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/helper/NetworkUtil.java b/src/main/java/org/traccar/helper/NetworkUtil.java
new file mode 100644
index 000000000..2fe3487da
--- /dev/null
+++ b/src/main/java/org/traccar/helper/NetworkUtil.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2022 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.helper;
+
+import io.netty.channel.Channel;
+import io.netty.channel.socket.DatagramChannel;
+
+public final class NetworkUtil {
+
+    private NetworkUtil() {
+    }
+
+    public static String session(Channel channel) {
+        char transport = channel instanceof DatagramChannel ? 'U' : 'T';
+        return transport + channel.id().asShortText();
+    }
+
+}