From 8b48d8b52f9c29a892dfe4381b3a7226226a76eb Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sun, 2 Feb 2020 16:31:10 -0800
Subject: Switch between binary and text

---
 .../java/org/traccar/protocol/ArnaviProtocol.java  | 11 ++---
 .../traccar/protocol/ArnaviProtocolDecoder.java    | 49 ++++++++++++++++++++++
 .../protocol/ArnaviTextProtocolDecoder.java        |  7 +++-
 3 files changed, 57 insertions(+), 10 deletions(-)
 create mode 100644 src/main/java/org/traccar/protocol/ArnaviProtocolDecoder.java

(limited to 'src/main/java/org/traccar/protocol')

diff --git a/src/main/java/org/traccar/protocol/ArnaviProtocol.java b/src/main/java/org/traccar/protocol/ArnaviProtocol.java
index 11101097b..aecb42c8c 100644
--- a/src/main/java/org/traccar/protocol/ArnaviProtocol.java
+++ b/src/main/java/org/traccar/protocol/ArnaviProtocol.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 - 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2015 - 2020 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.
@@ -15,9 +15,6 @@
  */
 package org.traccar.protocol;
 
-import io.netty.handler.codec.LineBasedFrameDecoder;
-import io.netty.handler.codec.string.StringDecoder;
-import io.netty.handler.codec.string.StringEncoder;
 import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
@@ -28,10 +25,8 @@ public class ArnaviProtocol extends BaseProtocol {
         addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
-                pipeline.addLast(new LineBasedFrameDecoder(1024));
-                pipeline.addLast(new StringDecoder());
-                pipeline.addLast(new StringEncoder());
-                pipeline.addLast(new ArnaviTextProtocolDecoder(ArnaviProtocol.this));
+                pipeline.addLast(new ArnaviFrameDecoder());
+                pipeline.addLast(new ArnaviProtocolDecoder(ArnaviProtocol.this));
             }
         });
     }
diff --git a/src/main/java/org/traccar/protocol/ArnaviProtocolDecoder.java b/src/main/java/org/traccar/protocol/ArnaviProtocolDecoder.java
new file mode 100644
index 000000000..68a70c944
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/ArnaviProtocolDecoder.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2020 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.protocol;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.Protocol;
+
+import java.net.SocketAddress;
+
+public class ArnaviProtocolDecoder extends BaseProtocolDecoder {
+
+    private final ArnaviTextProtocolDecoder textProtocolDecoder;
+    private final ArnaviBinaryProtocolDecoder binaryProtocolDecoder;
+
+    public ArnaviProtocolDecoder(Protocol protocol) {
+        super(protocol);
+        textProtocolDecoder = new ArnaviTextProtocolDecoder(protocol);
+        binaryProtocolDecoder = new ArnaviBinaryProtocolDecoder(protocol);
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        ByteBuf buf = (ByteBuf) msg;
+
+        if (buf.getByte(buf.readerIndex()) == '$') {
+            return textProtocolDecoder.decode(channel, remoteAddress, msg);
+        } else {
+            return binaryProtocolDecoder.decode(channel, remoteAddress, msg);
+        }
+    }
+
+}
diff --git a/src/main/java/org/traccar/protocol/ArnaviTextProtocolDecoder.java b/src/main/java/org/traccar/protocol/ArnaviTextProtocolDecoder.java
index 8c4f743bc..b99869e6e 100644
--- a/src/main/java/org/traccar/protocol/ArnaviTextProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/ArnaviTextProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 - 2019 Anton Tananaev (anton@traccar.org)
+ * Copyright 2015 - 2020 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.
@@ -15,6 +15,7 @@
  */
 package org.traccar.protocol;
 
+import io.netty.buffer.ByteBuf;
 import io.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.DeviceSession;
@@ -25,6 +26,7 @@ import org.traccar.helper.PatternBuilder;
 import org.traccar.model.Position;
 
 import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
 import java.util.regex.Pattern;
 
 public class ArnaviTextProtocolDecoder extends BaseProtocolDecoder {
@@ -65,7 +67,8 @@ public class ArnaviTextProtocolDecoder extends BaseProtocolDecoder {
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
 
-        Parser parser = new Parser(PATTERN, (String) msg);
+        ByteBuf buf = (ByteBuf) msg;
+        Parser parser = new Parser(PATTERN, buf.toString(StandardCharsets.US_ASCII));
         if (!parser.matches()) {
             return null;
         }
-- 
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