From 5460739293ccd8e89adc9edb4653b4de28b09897 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Tue, 11 Apr 2023 19:28:43 -0700
Subject: Handle closed connections

---
 src/main/java/org/traccar/forward/NetworkForwarder.java       | 11 +++++++++++
 .../java/org/traccar/handler/NetworkForwarderHandler.java     |  8 ++++++++
 2 files changed, 19 insertions(+)

(limited to 'src')

diff --git a/src/main/java/org/traccar/forward/NetworkForwarder.java b/src/main/java/org/traccar/forward/NetworkForwarder.java
index 6abf2b7ba..0915aaa27 100644
--- a/src/main/java/org/traccar/forward/NetworkForwarder.java
+++ b/src/main/java/org/traccar/forward/NetworkForwarder.java
@@ -63,4 +63,15 @@ public class NetworkForwarder {
         }
     }
 
+    public void disconnect(InetSocketAddress source) {
+        Socket connectionTcp = connectionsTcp.remove(source);
+        if (connectionTcp != null) {
+            try {
+                connectionTcp.close();
+            } catch (IOException e) {
+                LOGGER.warn("Connection close error", e);
+            }
+        }
+    }
+
 }
diff --git a/src/main/java/org/traccar/handler/NetworkForwarderHandler.java b/src/main/java/org/traccar/handler/NetworkForwarderHandler.java
index a3792a3e5..2c586c973 100644
--- a/src/main/java/org/traccar/handler/NetworkForwarderHandler.java
+++ b/src/main/java/org/traccar/handler/NetworkForwarderHandler.java
@@ -61,4 +61,12 @@ public class NetworkForwarderHandler extends ChannelInboundHandlerAdapter {
         super.channelRead(ctx, msg);
     }
 
+    @Override
+    public void channelInactive(ChannelHandlerContext ctx) throws Exception {
+        if (!(ctx.channel() instanceof DatagramChannel)) {
+            networkForwarder.disconnect((InetSocketAddress) ctx.channel().remoteAddress());
+        }
+        super.channelInactive(ctx);
+    }
+
 }
-- 
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