Migrate O and P protocols

30 files changed, 256 insertions, 267 deletions

diff --git a/src/org/traccar/protocol/ObdDongleProtocol.java b/src/org/traccar/protocol/ObdDongleProtocol.java
index 6547a31ab..5f50b16ae 100644
--- a/src/org/traccar/protocol/ObdDongleProtocol.java
+++ b/src/org/traccar/protocol/ObdDongleProtocol.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2018 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.
@@ -15,10 +15,9 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.bootstrap.ServerBootstrap;
-import org.jboss.netty.channel.ChannelPipeline;
-import org.jboss.netty.handler.codec.frame.LengthFieldBasedFrameDecoder;
+import io.netty.handler.codec.LengthFieldBasedFrameDecoder;
 import org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.util.List;
@@ -31,9 +30,9 @@ public class ObdDongleProtocol extends BaseProtocol {
 
     @Override
     public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(new ServerBootstrap(), getName()) {
+        serverList.add(new TrackerServer(false, getName()) {
             @Override
-            protected void addSpecificHandlers(ChannelPipeline pipeline) {
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(1099, 20, 2, 3, 0));
                 pipeline.addLast("objectDecoder", new ObdDongleProtocolDecoder(ObdDongleProtocol.this));
             }
diff --git a/src/org/traccar/protocol/ObdDongleProtocolDecoder.java b/src/org/traccar/protocol/ObdDongleProtocolDecoder.java
index 5310c90fd..bb925ca3e 100644
--- a/src/org/traccar/protocol/ObdDongleProtocolDecoder.java
+++ b/src/org/traccar/protocol/ObdDongleProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2018 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.
@@ -15,11 +15,12 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.buffer.ChannelBuffer;
-import org.jboss.netty.buffer.ChannelBuffers;
-import org.jboss.netty.channel.Channel;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
 import org.traccar.helper.BitUtil;
 import org.traccar.helper.UnitsConverter;
 import org.traccar.model.Position;
@@ -42,9 +43,9 @@ public class ObdDongleProtocolDecoder extends BaseProtocolDecoder {
     public static final int MSG_TYPE_PINGRESP = 0x0D;
     public static final int MSG_TYPE_DISCONNECT = 0x0E;
 
-    private static void sendResponse(Channel channel, int type, int index, String imei, ChannelBuffer content) {
+    private static void sendResponse(Channel channel, int type, int index, String imei, ByteBuf content) {
         if (channel != null) {
-            ChannelBuffer response = ChannelBuffers.dynamicBuffer();
+            ByteBuf response = Unpooled.buffer();
             response.writeShort(0x5555); // header
             response.writeShort(index);
             response.writeBytes(imei.getBytes(StandardCharsets.US_ASCII));
@@ -53,7 +54,7 @@ public class ObdDongleProtocolDecoder extends BaseProtocolDecoder {
             response.writeBytes(content);
             response.writeByte(0); // checksum
             response.writeShort(0xAAAA);
-            channel.write(response);
+            channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
         }
     }
 
@@ -61,7 +62,7 @@ public class ObdDongleProtocolDecoder extends BaseProtocolDecoder {
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
 
-        ChannelBuffer buf = (ChannelBuffer) msg;
+        ByteBuf buf = (ByteBuf) msg;
 
         buf.skipBytes(2); // header
         int index = buf.readUnsignedShort();
@@ -78,7 +79,7 @@ public class ObdDongleProtocolDecoder extends BaseProtocolDecoder {
 
         if (type == MSG_TYPE_CONNECT) {
 
-            ChannelBuffer response = ChannelBuffers.dynamicBuffer();
+            ByteBuf response = Unpooled.buffer();
             response.writeByte(1);
             response.writeShort(0);
             response.writeInt(0);
@@ -112,7 +113,7 @@ public class ObdDongleProtocolDecoder extends BaseProtocolDecoder {
             position.setSpeed(UnitsConverter.knotsFromMph(BitUtil.from(speedCourse, 10) * 0.1));
             position.setCourse(BitUtil.to(speedCourse, 10));
 
-            ChannelBuffer response = ChannelBuffers.dynamicBuffer();
+            ByteBuf response = Unpooled.buffer();
             response.writeByte(typeMajor);
             response.writeByte(typeMinor);
             sendResponse(channel, MSG_TYPE_PUBACK, index, imei, response);
diff --git a/src/org/traccar/protocol/OigoProtocol.java b/src/org/traccar/protocol/OigoProtocol.java
index 4b6ad0dd0..b4f2b4163 100644
--- a/src/org/traccar/protocol/OigoProtocol.java
+++ b/src/org/traccar/protocol/OigoProtocol.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2018 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 +15,8 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.bootstrap.ConnectionlessBootstrap;
-import org.jboss.netty.channel.ChannelPipeline;
 import org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.util.List;
@@ -30,9 +29,9 @@ public class OigoProtocol extends BaseProtocol {
 
     @Override
     public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(new ConnectionlessBootstrap(), getName()) {
+        serverList.add(new TrackerServer(true, getName()) {
             @Override
-            protected void addSpecificHandlers(ChannelPipeline pipeline) {
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast("objectDecoder", new OigoProtocolDecoder(OigoProtocol.this));
             }
         });
diff --git a/src/org/traccar/protocol/OigoProtocolDecoder.java b/src/org/traccar/protocol/OigoProtocolDecoder.java
index 2874d0455..e00079210 100644
--- a/src/org/traccar/protocol/OigoProtocolDecoder.java
+++ b/src/org/traccar/protocol/OigoProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2018 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.
@@ -15,11 +15,13 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.buffer.ChannelBuffer;
-import org.jboss.netty.buffer.ChannelBuffers;
-import org.jboss.netty.channel.Channel;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufUtil;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
 import org.traccar.helper.BitUtil;
 import org.traccar.helper.DateBuilder;
 import org.traccar.helper.UnitsConverter;
@@ -39,7 +41,7 @@ public class OigoProtocolDecoder extends BaseProtocolDecoder {
 
     public static final int MSG_ACKNOWLEDGEMENT = 0xE0;
 
-    private Position decodeArMessage(Channel channel, SocketAddress remoteAddress, ChannelBuffer buf) {
+    private Position decodeArMessage(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {
 
         buf.skipBytes(1); // header
         buf.readUnsignedShort(); // length
@@ -51,7 +53,7 @@ public class OigoProtocolDecoder extends BaseProtocolDecoder {
         DeviceSession deviceSession;
         switch (BitUtil.to(tag, 3)) {
             case 0:
-                String imei = ChannelBuffers.hexDump(buf.readBytes(8)).substring(1);
+                String imei = ByteBufUtil.hexDump(buf.readBytes(8)).substring(1);
                 deviceSession = getDeviceSession(channel, remoteAddress, imei);
                 break;
             case 1:
@@ -159,7 +161,7 @@ public class OigoProtocolDecoder extends BaseProtocolDecoder {
         return negative ? -degrees : degrees;
     }
 
-    private Position decodeMgMessage(Channel channel, SocketAddress remoteAddress, ChannelBuffer buf) {
+    private Position decodeMgMessage(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {
 
         buf.readUnsignedByte(); // tag
         int flags = buf.getUnsignedByte(buf.readerIndex());
@@ -169,7 +171,7 @@ public class OigoProtocolDecoder extends BaseProtocolDecoder {
             buf.readUnsignedByte(); // flags
             deviceSession = getDeviceSession(channel, remoteAddress);
         } else {
-            String imei = ChannelBuffers.hexDump(buf.readBytes(8)).substring(1);
+            String imei = ByteBufUtil.hexDump(buf.readBytes(8)).substring(1);
             deviceSession = getDeviceSession(channel, remoteAddress, imei);
         }
 
@@ -211,11 +213,11 @@ public class OigoProtocolDecoder extends BaseProtocolDecoder {
         position.set(Position.KEY_ODOMETER, (long) (buf.readUnsignedInt() * 1609.34));
 
         if (channel != null && BitUtil.check(flags, 7)) {
-            ChannelBuffer response = ChannelBuffers.dynamicBuffer();
+            ByteBuf response = Unpooled.buffer();
             response.writeByte(MSG_ACKNOWLEDGEMENT);
             response.writeByte(index);
             response.writeByte(0x00);
-            channel.write(response, remoteAddress);
+            channel.write(new NetworkMessage(response, remoteAddress));
         }
 
         return position;
@@ -225,7 +227,7 @@ public class OigoProtocolDecoder extends BaseProtocolDecoder {
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
 
-        ChannelBuffer buf = (ChannelBuffer) msg;
+        ByteBuf buf = (ByteBuf) msg;
 
         if (buf.getUnsignedByte(buf.readerIndex()) == 0x7e) {
             return decodeArMessage(channel, remoteAddress, buf);
diff --git a/src/org/traccar/protocol/OkoProtocol.java b/src/org/traccar/protocol/OkoProtocol.java
index 0b38741e5..21f06cca0 100644
--- a/src/org/traccar/protocol/OkoProtocol.java
+++ b/src/org/traccar/protocol/OkoProtocol.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 - 2018 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.
@@ -15,11 +15,10 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.bootstrap.ServerBootstrap;
-import org.jboss.netty.channel.ChannelPipeline;
-import org.jboss.netty.handler.codec.string.StringDecoder;
+import io.netty.handler.codec.string.StringDecoder;
 import org.traccar.BaseProtocol;
 import org.traccar.CharacterDelimiterFrameDecoder;
+import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.util.List;
@@ -32,9 +31,9 @@ public class OkoProtocol extends BaseProtocol {
 
     @Override
     public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(new ServerBootstrap(), getName()) {
+        serverList.add(new TrackerServer(false, getName()) {
             @Override
-            protected void addSpecificHandlers(ChannelPipeline pipeline) {
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast("frameDecoder", new CharacterDelimiterFrameDecoder(1024, '}'));
                 pipeline.addLast("stringDecoder", new StringDecoder());
                 pipeline.addLast("objectDecoder", new OkoProtocolDecoder(OkoProtocol.this));
diff --git a/src/org/traccar/protocol/OkoProtocolDecoder.java b/src/org/traccar/protocol/OkoProtocolDecoder.java
index 0ebe63ca3..0318c30c7 100644
--- a/src/org/traccar/protocol/OkoProtocolDecoder.java
+++ b/src/org/traccar/protocol/OkoProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 - 2018 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.
@@ -15,7 +15,7 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.channel.Channel;
+import io.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.DeviceSession;
 import org.traccar.helper.DateBuilder;
diff --git a/src/org/traccar/protocol/OpenGtsProtocol.java b/src/org/traccar/protocol/OpenGtsProtocol.java
index a0246ba1b..afc0b0c60 100644
--- a/src/org/traccar/protocol/OpenGtsProtocol.java
+++ b/src/org/traccar/protocol/OpenGtsProtocol.java
@@ -15,11 +15,11 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.bootstrap.ServerBootstrap;
-import org.jboss.netty.channel.ChannelPipeline;
-import org.jboss.netty.handler.codec.http.HttpRequestDecoder;
-import org.jboss.netty.handler.codec.http.HttpResponseEncoder;
+import io.netty.handler.codec.http.HttpObjectAggregator;
+import io.netty.handler.codec.http.HttpRequestDecoder;
+import io.netty.handler.codec.http.HttpResponseEncoder;
 import org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.util.List;
@@ -32,11 +32,12 @@ public class OpenGtsProtocol extends BaseProtocol {
 
     @Override
     public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(new ServerBootstrap(), getName()) {
+        serverList.add(new TrackerServer(false, getName()) {
             @Override
-            protected void addSpecificHandlers(ChannelPipeline pipeline) {
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast("httpEncoder", new HttpResponseEncoder());
                 pipeline.addLast("httpDecoder", new HttpRequestDecoder());
+                pipeline.addLast("httpAggregator", new HttpObjectAggregator(16384));
                 pipeline.addLast("objectDecoder", new OpenGtsProtocolDecoder(OpenGtsProtocol.this));
             }
         });
diff --git a/src/org/traccar/protocol/OpenGtsProtocolDecoder.java b/src/org/traccar/protocol/OpenGtsProtocolDecoder.java
index ba8f434d8..b61426085 100644
--- a/src/org/traccar/protocol/OpenGtsProtocolDecoder.java
+++ b/src/org/traccar/protocol/OpenGtsProtocolDecoder.java
@@ -15,10 +15,10 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.channel.Channel;
-import org.jboss.netty.handler.codec.http.HttpRequest;
-import org.jboss.netty.handler.codec.http.HttpResponseStatus;
-import org.jboss.netty.handler.codec.http.QueryStringDecoder;
+import io.netty.channel.Channel;
+import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.codec.http.HttpResponseStatus;
+import io.netty.handler.codec.http.QueryStringDecoder;
 import org.traccar.BaseHttpProtocolDecoder;
 import org.traccar.DeviceSession;
 import org.traccar.helper.DateBuilder;
@@ -55,9 +55,9 @@ public class OpenGtsProtocolDecoder extends BaseHttpProtocolDecoder {
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
 
-        HttpRequest request = (HttpRequest) msg;
-        QueryStringDecoder decoder = new QueryStringDecoder(request.getUri());
-        Map<String, List<String>> params = decoder.getParameters();
+        FullHttpRequest request = (FullHttpRequest) msg;
+        QueryStringDecoder decoder = new QueryStringDecoder(request.uri());
+        Map<String, List<String>> params = decoder.parameters();
 
         Position position = new Position();
         position.setProtocol(getProtocolName());
diff --git a/src/org/traccar/protocol/OrionFrameDecoder.java b/src/org/traccar/protocol/OrionFrameDecoder.java
index f7371747a..ce5a06478 100644
--- a/src/org/traccar/protocol/OrionFrameDecoder.java
+++ b/src/org/traccar/protocol/OrionFrameDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 Anton Tananaev (anton@traccar.org)
+ * Copyright 2014 - 2018 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.
@@ -15,18 +15,16 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.buffer.ChannelBuffer;
-import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
-import org.jboss.netty.handler.codec.frame.FrameDecoder;
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import org.traccar.BaseFrameDecoder;
 
-public class OrionFrameDecoder extends FrameDecoder {
+public class OrionFrameDecoder extends BaseFrameDecoder {
 
     @Override
     protected Object decode(
-            ChannelHandlerContext ctx,
-            Channel channel,
-            ChannelBuffer buf) throws Exception {
+            ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception {
 
         int length = 6;
 
@@ -56,7 +54,7 @@ public class OrionFrameDecoder extends FrameDecoder {
 
             } else if (type == OrionProtocolDecoder.MSG_SYSLOG && buf.readableBytes() >= length + 12) {
 
-                length += buf.getUnsignedShort(buf.readerIndex() + 8);
+                length += buf.getUnsignedShortLE(buf.readerIndex() + 8);
                 if (buf.readableBytes() >= length) {
                     return buf.readBytes(length);
                 }
diff --git a/src/org/traccar/protocol/OrionProtocol.java b/src/org/traccar/protocol/OrionProtocol.java
index f4bfef985..ba7044cce 100644
--- a/src/org/traccar/protocol/OrionProtocol.java
+++ b/src/org/traccar/protocol/OrionProtocol.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Anton Tananaev (anton@traccar.org)
+ * Copyright 2015 - 2018 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.
@@ -15,12 +15,10 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.bootstrap.ServerBootstrap;
-import org.jboss.netty.channel.ChannelPipeline;
 import org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.nio.ByteOrder;
 import java.util.List;
 
 public class OrionProtocol extends BaseProtocol {
@@ -31,15 +29,13 @@ public class OrionProtocol extends BaseProtocol {
 
     @Override
     public void initTrackerServers(List<TrackerServer> serverList) {
-        TrackerServer server = new TrackerServer(new ServerBootstrap(), getName()) {
+        serverList.add(new TrackerServer(false, getName()) {
             @Override
-            protected void addSpecificHandlers(ChannelPipeline pipeline) {
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast("frameDecoder", new OrionFrameDecoder());
                 pipeline.addLast("objectDecoder", new OrionProtocolDecoder(OrionProtocol.this));
             }
-        };
-        server.setEndianness(ByteOrder.LITTLE_ENDIAN);
-        serverList.add(server);
+        });
     }
 
 }
diff --git a/src/org/traccar/protocol/OrionProtocolDecoder.java b/src/org/traccar/protocol/OrionProtocolDecoder.java
index ada864fba..bbc509bec 100644
--- a/src/org/traccar/protocol/OrionProtocolDecoder.java
+++ b/src/org/traccar/protocol/OrionProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 Anton Tananaev (anton@traccar.org)
+ * Copyright 2014 - 2018 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.
@@ -15,11 +15,12 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.buffer.ChannelBuffer;
-import org.jboss.netty.buffer.ChannelBuffers;
-import org.jboss.netty.channel.Channel;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
 import org.traccar.helper.DateBuilder;
 import org.traccar.model.Position;
 
@@ -36,13 +37,13 @@ public class OrionProtocolDecoder extends BaseProtocolDecoder {
     public static final int MSG_USERLOG = 0;
     public static final int MSG_SYSLOG = 3;
 
-    private static void sendResponse(Channel channel, ChannelBuffer buf) {
+    private static void sendResponse(Channel channel, ByteBuf buf) {
         if (channel != null) {
-            ChannelBuffer response = ChannelBuffers.directBuffer(4);
+            ByteBuf response = Unpooled.buffer(4);
             response.writeByte('*');
             response.writeShort(buf.getUnsignedShort(buf.writerIndex() - 2));
             response.writeByte(buf.getUnsignedByte(buf.writerIndex() - 3));
-            channel.write(response);
+            channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
         }
     }
 
@@ -56,7 +57,7 @@ public class OrionProtocolDecoder extends BaseProtocolDecoder {
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
 
-        ChannelBuffer buf = (ChannelBuffer) msg;
+        ByteBuf buf = (ByteBuf) msg;
 
         buf.skipBytes(2); // header
         int type = buf.readUnsignedByte() & 0x0f;
@@ -84,13 +85,13 @@ public class OrionProtocolDecoder extends BaseProtocolDecoder {
 
                 position.set(Position.KEY_EVENT, buf.readUnsignedByte());
                 buf.readUnsignedByte(); // length
-                position.set(Position.KEY_FLAGS, buf.readUnsignedShort());
+                position.set(Position.KEY_FLAGS, buf.readUnsignedShortLE());
 
-                position.setLatitude(convertCoordinate(buf.readInt()));
-                position.setLongitude(convertCoordinate(buf.readInt()));
-                position.setAltitude(buf.readShort() / 10.0);
-                position.setCourse(buf.readUnsignedShort());
-                position.setSpeed(buf.readUnsignedShort() * 0.0539957);
+                position.setLatitude(convertCoordinate(buf.readIntLE()));
+                position.setLongitude(convertCoordinate(buf.readIntLE()));
+                position.setAltitude(buf.readShortLE() / 10.0);
+                position.setCourse(buf.readUnsignedShortLE());
+                position.setSpeed(buf.readUnsignedShortLE() * 0.0539957);
 
                 DateBuilder dateBuilder = new DateBuilder()
                         .setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte())
diff --git a/src/org/traccar/protocol/OwnTracksProtocol.java b/src/org/traccar/protocol/OwnTracksProtocol.java
index c4a6ab163..275bb739a 100644
--- a/src/org/traccar/protocol/OwnTracksProtocol.java
+++ b/src/org/traccar/protocol/OwnTracksProtocol.java
@@ -1,6 +1,6 @@
 /*
  * Copyright 2017 Jan-Piet Mens (jpmens@gmail.com)
- * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 - 2018 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.
@@ -16,11 +16,11 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.bootstrap.ServerBootstrap;
-import org.jboss.netty.channel.ChannelPipeline;
-import org.jboss.netty.handler.codec.http.HttpRequestDecoder;
-import org.jboss.netty.handler.codec.http.HttpResponseEncoder;
+import io.netty.handler.codec.http.HttpObjectAggregator;
+import io.netty.handler.codec.http.HttpRequestDecoder;
+import io.netty.handler.codec.http.HttpResponseEncoder;
 import org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.util.List;
@@ -33,11 +33,12 @@ public class OwnTracksProtocol extends BaseProtocol {
 
     @Override
     public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(new ServerBootstrap(), getName()) {
+        serverList.add(new TrackerServer(false, getName()) {
             @Override
-            protected void addSpecificHandlers(ChannelPipeline pipeline) {
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast("httpEncoder", new HttpResponseEncoder());
                 pipeline.addLast("httpDecoder", new HttpRequestDecoder());
+                pipeline.addLast("httpAggregator", new HttpObjectAggregator(16384));
                 pipeline.addLast("objectDecoder", new OwnTracksProtocolDecoder(OwnTracksProtocol.this));
             }
         });
diff --git a/src/org/traccar/protocol/OwnTracksProtocolDecoder.java b/src/org/traccar/protocol/OwnTracksProtocolDecoder.java
index 120995dfb..00a63d712 100644
--- a/src/org/traccar/protocol/OwnTracksProtocolDecoder.java
+++ b/src/org/traccar/protocol/OwnTracksProtocolDecoder.java
@@ -1,6 +1,6 @@
 /*
  * Copyright 2017 Jan-Piet Mens (jpmens@gmail.com)
- * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 - 2018 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.
@@ -16,9 +16,9 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.channel.Channel;
-import org.jboss.netty.handler.codec.http.HttpRequest;
-import org.jboss.netty.handler.codec.http.HttpResponseStatus;
+import io.netty.channel.Channel;
+import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.codec.http.HttpResponseStatus;
 import org.traccar.BaseHttpProtocolDecoder;
 import org.traccar.DeviceSession;
 import org.traccar.helper.UnitsConverter;
@@ -41,9 +41,9 @@ public class OwnTracksProtocolDecoder extends BaseHttpProtocolDecoder {
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
 
-        HttpRequest request = (HttpRequest) msg;
+        FullHttpRequest request = (FullHttpRequest) msg;
         JsonObject root = Json.createReader(
-                new StringReader(request.getContent().toString(StandardCharsets.US_ASCII))).readObject();
+                new StringReader(request.content().toString(StandardCharsets.US_ASCII))).readObject();
 
         if (!root.containsKey("_type") || !root.getString("_type").equals("location")) {
             sendResponse(channel, HttpResponseStatus.OK);
@@ -98,4 +98,5 @@ public class OwnTracksProtocolDecoder extends BaseHttpProtocolDecoder {
         sendResponse(channel, HttpResponseStatus.OK);
         return position;
     }
+
 }
diff --git a/src/org/traccar/protocol/PathAwayProtocol.java b/src/org/traccar/protocol/PathAwayProtocol.java
index a41692750..7cb5a3fca 100644
--- a/src/org/traccar/protocol/PathAwayProtocol.java
+++ b/src/org/traccar/protocol/PathAwayProtocol.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Anton Tananaev (anton@traccar.org)
+ * Copyright 2015 - 2018 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.
@@ -15,11 +15,11 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.bootstrap.ServerBootstrap;
-import org.jboss.netty.channel.ChannelPipeline;
-import org.jboss.netty.handler.codec.http.HttpRequestDecoder;
-import org.jboss.netty.handler.codec.http.HttpResponseEncoder;
+import io.netty.handler.codec.http.HttpObjectAggregator;
+import io.netty.handler.codec.http.HttpRequestDecoder;
+import io.netty.handler.codec.http.HttpResponseEncoder;
 import org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.util.List;
@@ -32,11 +32,12 @@ public class PathAwayProtocol extends BaseProtocol {
 
     @Override
     public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(new ServerBootstrap(), getName()) {
+        serverList.add(new TrackerServer(false, getName()) {
             @Override
-            protected void addSpecificHandlers(ChannelPipeline pipeline) {
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast("httpEncoder", new HttpResponseEncoder());
                 pipeline.addLast("httpDecoder", new HttpRequestDecoder());
+                pipeline.addLast("httpAggregator", new HttpObjectAggregator(16384));
                 pipeline.addLast("objectDecoder", new PathAwayProtocolDecoder(PathAwayProtocol.this));
             }
         });
diff --git a/src/org/traccar/protocol/PathAwayProtocolDecoder.java b/src/org/traccar/protocol/PathAwayProtocolDecoder.java
index 845a5e892..40e68a5d2 100644
--- a/src/org/traccar/protocol/PathAwayProtocolDecoder.java
+++ b/src/org/traccar/protocol/PathAwayProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Anton Tananaev (anton@traccar.org)
+ * Copyright 2015 - 2018 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.
@@ -15,16 +15,17 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelFutureListener;
-import org.jboss.netty.handler.codec.http.DefaultHttpResponse;
-import org.jboss.netty.handler.codec.http.HttpRequest;
-import org.jboss.netty.handler.codec.http.HttpResponse;
-import org.jboss.netty.handler.codec.http.HttpResponseStatus;
-import org.jboss.netty.handler.codec.http.HttpVersion;
-import org.jboss.netty.handler.codec.http.QueryStringDecoder;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelFutureListener;
+import io.netty.handler.codec.http.DefaultFullHttpResponse;
+import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.codec.http.FullHttpResponse;
+import io.netty.handler.codec.http.HttpResponseStatus;
+import io.netty.handler.codec.http.HttpVersion;
+import io.netty.handler.codec.http.QueryStringDecoder;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
 import org.traccar.helper.Parser;
 import org.traccar.helper.PatternBuilder;
 import org.traccar.model.Position;
@@ -58,16 +59,16 @@ public class PathAwayProtocolDecoder extends BaseProtocolDecoder {
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
 
-        HttpRequest request = (HttpRequest) msg;
-        QueryStringDecoder decoder = new QueryStringDecoder(request.getUri());
+        FullHttpRequest request = (FullHttpRequest) msg;
+        QueryStringDecoder decoder = new QueryStringDecoder(request.uri());
 
         DeviceSession deviceSession = getDeviceSession(
-                channel, remoteAddress, decoder.getParameters().get("UserName").get(0));
+                channel, remoteAddress, decoder.parameters().get("UserName").get(0));
         if (deviceSession == null) {
             return null;
         }
 
-        Parser parser = new Parser(PATTERN, decoder.getParameters().get("LOC").get(0));
+        Parser parser = new Parser(PATTERN, decoder.parameters().get("LOC").get(0));
         if (!parser.matches()) {
             return null;
         }
@@ -85,8 +86,8 @@ public class PathAwayProtocolDecoder extends BaseProtocolDecoder {
         position.setCourse(parser.nextDouble(0));
 
         if (channel != null) {
-            HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
-            channel.write(response).addListener(ChannelFutureListener.CLOSE);
+            FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
+            channel.writeAndFlush(new NetworkMessage(response, remoteAddress)).addListener(ChannelFutureListener.CLOSE);
         }
 
         return position;
diff --git a/src/org/traccar/protocol/PiligrimProtocol.java b/src/org/traccar/protocol/PiligrimProtocol.java
index a2960f762..ff602d366 100644
--- a/src/org/traccar/protocol/PiligrimProtocol.java
+++ b/src/org/traccar/protocol/PiligrimProtocol.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Anton Tananaev (anton@traccar.org)
+ * Copyright 2015 - 2018 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.
@@ -15,12 +15,11 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.bootstrap.ServerBootstrap;
-import org.jboss.netty.channel.ChannelPipeline;
-import org.jboss.netty.handler.codec.http.HttpChunkAggregator;
-import org.jboss.netty.handler.codec.http.HttpRequestDecoder;
-import org.jboss.netty.handler.codec.http.HttpResponseEncoder;
+import io.netty.handler.codec.http.HttpObjectAggregator;
+import io.netty.handler.codec.http.HttpRequestDecoder;
+import io.netty.handler.codec.http.HttpResponseEncoder;
 import org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.util.List;
@@ -33,12 +32,12 @@ public class PiligrimProtocol extends BaseProtocol {
 
     @Override
     public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(new ServerBootstrap(), getName()) {
+        serverList.add(new TrackerServer(false, getName()) {
             @Override
-            protected void addSpecificHandlers(ChannelPipeline pipeline) {
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast("httpEncoder", new HttpResponseEncoder());
                 pipeline.addLast("httpDecoder", new HttpRequestDecoder());
-                pipeline.addLast("httpAggregator", new HttpChunkAggregator(16384));
+                pipeline.addLast("httpAggregator", new HttpObjectAggregator(16384));
                 pipeline.addLast("objectDecoder", new PiligrimProtocolDecoder(PiligrimProtocol.this));
             }
         });
diff --git a/src/org/traccar/protocol/PiligrimProtocolDecoder.java b/src/org/traccar/protocol/PiligrimProtocolDecoder.java
index f2ec16c59..a1850df54 100644
--- a/src/org/traccar/protocol/PiligrimProtocolDecoder.java
+++ b/src/org/traccar/protocol/PiligrimProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 Anton Tananaev (anton@traccar.org)
+ * Copyright 2014 - 2018 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.
@@ -15,23 +15,23 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.buffer.ChannelBuffer;
-import org.jboss.netty.buffer.ChannelBuffers;
-import org.jboss.netty.channel.Channel;
-import org.jboss.netty.handler.codec.http.DefaultHttpResponse;
-import org.jboss.netty.handler.codec.http.HttpRequest;
-import org.jboss.netty.handler.codec.http.HttpResponse;
-import org.jboss.netty.handler.codec.http.HttpResponseStatus;
-import org.jboss.netty.handler.codec.http.HttpVersion;
-import org.jboss.netty.handler.codec.http.QueryStringDecoder;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.Channel;
+import io.netty.handler.codec.http.DefaultFullHttpResponse;
+import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.codec.http.FullHttpResponse;
+import io.netty.handler.codec.http.HttpResponseStatus;
+import io.netty.handler.codec.http.HttpVersion;
+import io.netty.handler.codec.http.QueryStringDecoder;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
 import org.traccar.helper.BitUtil;
 import org.traccar.helper.DateBuilder;
 import org.traccar.model.Position;
 
 import java.net.SocketAddress;
-import java.nio.ByteOrder;
 import java.nio.charset.StandardCharsets;
 import java.util.LinkedList;
 import java.util.List;
@@ -44,11 +44,10 @@ public class PiligrimProtocolDecoder extends BaseProtocolDecoder {
 
     private void sendResponse(Channel channel, String message) {
         if (channel != null) {
-            HttpResponse response = new DefaultHttpResponse(
-                    HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
-            response.setContent(ChannelBuffers.copiedBuffer(
-                    ByteOrder.BIG_ENDIAN, message, StandardCharsets.US_ASCII));
-            channel.write(response);
+            FullHttpResponse response = new DefaultFullHttpResponse(
+                    HttpVersion.HTTP_1_1, HttpResponseStatus.OK,
+                    Unpooled.copiedBuffer(message, StandardCharsets.US_ASCII));
+            channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
         }
     }
 
@@ -60,8 +59,8 @@ public class PiligrimProtocolDecoder extends BaseProtocolDecoder {
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
 
-        HttpRequest request = (HttpRequest) msg;
-        String uri = request.getUri();
+        FullHttpRequest request = (FullHttpRequest) msg;
+        String uri = request.uri();
 
         if (uri.startsWith("/config")) {
 
@@ -79,15 +78,15 @@ public class PiligrimProtocolDecoder extends BaseProtocolDecoder {
 
             sendResponse(channel, "BINGPS: OK");
 
-            QueryStringDecoder decoder = new QueryStringDecoder(request.getUri());
+            QueryStringDecoder decoder = new QueryStringDecoder(request.uri());
             DeviceSession deviceSession = getDeviceSession(
-                    channel, remoteAddress, decoder.getParameters().get("imei").get(0));
+                    channel, remoteAddress, decoder.parameters().get("imei").get(0));
             if (deviceSession == null) {
                 return null;
             }
 
             List<Position> positions = new LinkedList<>();
-            ChannelBuffer buf = request.getContent();
+            ByteBuf buf = request.content();
 
             while (buf.readableBytes() > 2) {
 
diff --git a/src/org/traccar/protocol/PretraceProtocol.java b/src/org/traccar/protocol/PretraceProtocol.java
index 8f0a22851..456807c1b 100644
--- a/src/org/traccar/protocol/PretraceProtocol.java
+++ b/src/org/traccar/protocol/PretraceProtocol.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 - 2018 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.
@@ -15,12 +15,11 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.bootstrap.ServerBootstrap;
-import org.jboss.netty.channel.ChannelPipeline;
-import org.jboss.netty.handler.codec.string.StringDecoder;
-import org.jboss.netty.handler.codec.string.StringEncoder;
+import io.netty.handler.codec.string.StringDecoder;
+import io.netty.handler.codec.string.StringEncoder;
 import org.traccar.BaseProtocol;
 import org.traccar.CharacterDelimiterFrameDecoder;
+import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.util.List;
@@ -33,9 +32,9 @@ public class PretraceProtocol extends BaseProtocol {
 
     @Override
     public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(new ServerBootstrap(), getName()) {
+        serverList.add(new TrackerServer(false, getName()) {
             @Override
-            protected void addSpecificHandlers(ChannelPipeline pipeline) {
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast("frameDecoder", new CharacterDelimiterFrameDecoder(1024, ')'));
                 pipeline.addLast("stringEncoder", new StringEncoder());
                 pipeline.addLast("stringDecoder", new StringDecoder());
diff --git a/src/org/traccar/protocol/PretraceProtocolDecoder.java b/src/org/traccar/protocol/PretraceProtocolDecoder.java
index 24d707a1c..e4306a429 100644
--- a/src/org/traccar/protocol/PretraceProtocolDecoder.java
+++ b/src/org/traccar/protocol/PretraceProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 - 2018 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.
@@ -15,7 +15,7 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.channel.Channel;
+import io.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.DeviceSession;
 import org.traccar.helper.Parser;
diff --git a/src/org/traccar/protocol/PricolProtocol.java b/src/org/traccar/protocol/PricolProtocol.java
index 0005dc3c1..ca52e2734 100644
--- a/src/org/traccar/protocol/PricolProtocol.java
+++ b/src/org/traccar/protocol/PricolProtocol.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 - 2018 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.
@@ -15,11 +15,9 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.bootstrap.ConnectionlessBootstrap;
-import org.jboss.netty.bootstrap.ServerBootstrap;
-import org.jboss.netty.channel.ChannelPipeline;
-import org.jboss.netty.handler.codec.frame.FixedLengthFrameDecoder;
+import io.netty.handler.codec.FixedLengthFrameDecoder;
 import org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.util.List;
@@ -32,16 +30,16 @@ public class PricolProtocol extends BaseProtocol {
 
     @Override
     public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(new ServerBootstrap(), getName()) {
+        serverList.add(new TrackerServer(false, getName()) {
             @Override
-            protected void addSpecificHandlers(ChannelPipeline pipeline) {
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast("frameDecoder", new FixedLengthFrameDecoder(64));
                 pipeline.addLast("objectDecoder", new PricolProtocolDecoder(PricolProtocol.this));
             }
         });
-        serverList.add(new TrackerServer(new ConnectionlessBootstrap(), getName()) {
+        serverList.add(new TrackerServer(true, getName()) {
             @Override
-            protected void addSpecificHandlers(ChannelPipeline pipeline) {
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast("objectDecoder", new PricolProtocolDecoder(PricolProtocol.this));
             }
         });
diff --git a/src/org/traccar/protocol/PricolProtocolDecoder.java b/src/org/traccar/protocol/PricolProtocolDecoder.java
index 577665dcc..901639501 100644
--- a/src/org/traccar/protocol/PricolProtocolDecoder.java
+++ b/src/org/traccar/protocol/PricolProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 - 2018 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.
@@ -15,11 +15,12 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.buffer.ChannelBuffer;
-import org.jboss.netty.buffer.ChannelBuffers;
-import org.jboss.netty.channel.Channel;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
 import org.traccar.helper.DateBuilder;
 import org.traccar.helper.UnitsConverter;
 import org.traccar.model.Position;
@@ -37,7 +38,7 @@ public class PricolProtocolDecoder extends BaseProtocolDecoder {
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
 
-        ChannelBuffer buf = (ChannelBuffer) msg;
+        ByteBuf buf = (ByteBuf) msg;
 
         buf.readUnsignedByte(); // header
 
@@ -86,7 +87,7 @@ public class PricolProtocolDecoder extends BaseProtocolDecoder {
         position.set(Position.KEY_RPM, buf.readUnsignedShort());
 
         if (channel != null) {
-            channel.write(ChannelBuffers.copiedBuffer("ACK", StandardCharsets.US_ASCII), remoteAddress);
+            channel.write(new NetworkMessage(Unpooled.copiedBuffer("ACK", StandardCharsets.US_ASCII), remoteAddress));
         }
 
         return position;
diff --git a/src/org/traccar/protocol/ProgressProtocol.java b/src/org/traccar/protocol/ProgressProtocol.java
index 6e2093346..22fdfbd48 100644
--- a/src/org/traccar/protocol/ProgressProtocol.java
+++ b/src/org/traccar/protocol/ProgressProtocol.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Anton Tananaev (anton@traccar.org)
+ * Copyright 2015 - 2018 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.
@@ -15,10 +15,9 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.bootstrap.ServerBootstrap;
-import org.jboss.netty.channel.ChannelPipeline;
-import org.jboss.netty.handler.codec.frame.LengthFieldBasedFrameDecoder;
+import io.netty.handler.codec.LengthFieldBasedFrameDecoder;
 import org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.nio.ByteOrder;
@@ -32,15 +31,14 @@ public class ProgressProtocol extends BaseProtocol {
 
     @Override
     public void initTrackerServers(List<TrackerServer> serverList) {
-        TrackerServer server = new TrackerServer(new ServerBootstrap(), getName()) {
+        serverList.add(new TrackerServer(false, getName()) {
             @Override
-            protected void addSpecificHandlers(ChannelPipeline pipeline) {
-                pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(1024, 2, 2, 4, 0));
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
+                pipeline.addLast("frameDecoder",
+                        new LengthFieldBasedFrameDecoder(ByteOrder.LITTLE_ENDIAN, 1024, 2, 2, 4, 0, true));
                 pipeline.addLast("objectDecoder", new ProgressProtocolDecoder(ProgressProtocol.this));
             }
-        };
-        server.setEndianness(ByteOrder.LITTLE_ENDIAN);
-        serverList.add(server);
+        });
     }
 
 }
diff --git a/src/org/traccar/protocol/ProgressProtocolDecoder.java b/src/org/traccar/protocol/ProgressProtocolDecoder.java
index d85b6acb3..d7e67df30 100644
--- a/src/org/traccar/protocol/ProgressProtocolDecoder.java
+++ b/src/org/traccar/protocol/ProgressProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012 - 2014 Anton Tananaev (anton@traccar.org)
+ * Copyright 2012 - 2018 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.
@@ -15,16 +15,17 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.buffer.ChannelBuffer;
-import org.jboss.netty.buffer.ChannelBuffers;
-import org.jboss.netty.channel.Channel;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufUtil;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
 import org.traccar.helper.BitUtil;
 import org.traccar.model.Position;
 
 import java.net.SocketAddress;
-import java.nio.ByteOrder;
 import java.nio.charset.StandardCharsets;
 import java.util.Date;
 import java.util.LinkedList;
@@ -53,12 +54,12 @@ public class ProgressProtocolDecoder extends BaseProtocolDecoder {
         if (lastIndex == 0) {
             lastIndex = newIndex;
         } else if (newIndex > lastIndex) {
-            ChannelBuffer request = ChannelBuffers.directBuffer(ByteOrder.LITTLE_ENDIAN, 12);
-            request.writeShort(MSG_LOG_SYNC);
-            request.writeShort(4);
-            request.writeInt((int) lastIndex);
-            request.writeInt(0);
-            channel.write(request);
+            ByteBuf request = Unpooled.buffer(12);
+            request.writeShortLE(MSG_LOG_SYNC);
+            request.writeShortLE(4);
+            request.writeIntLE((int) lastIndex);
+            request.writeIntLE(0);
+            channel.writeAndFlush(new NetworkMessage(request, channel.remoteAddress()));
         }
     }
 
@@ -66,18 +67,18 @@ public class ProgressProtocolDecoder extends BaseProtocolDecoder {
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
 
-        ChannelBuffer buf = (ChannelBuffer) msg;
-        int type = buf.readUnsignedShort();
-        buf.readUnsignedShort(); // length
+        ByteBuf buf = (ByteBuf) msg;
+        int type = buf.readUnsignedShortLE();
+        buf.readUnsignedShortLE(); // length
 
         if (type == MSG_IDENT || type == MSG_IDENT_FULL) {
 
-            buf.readUnsignedInt(); // id
-            int length = buf.readUnsignedShort();
+            buf.readUnsignedIntLE(); // id
+            int length = buf.readUnsignedShortLE();
             buf.skipBytes(length);
-            length = buf.readUnsignedShort();
+            length = buf.readUnsignedShortLE();
             buf.skipBytes(length);
-            length = buf.readUnsignedShort();
+            length = buf.readUnsignedShortLE();
             String imei = buf.readBytes(length).toString(StandardCharsets.US_ASCII);
             getDeviceSession(channel, remoteAddress, imei);
 
@@ -92,7 +93,7 @@ public class ProgressProtocolDecoder extends BaseProtocolDecoder {
 
             int recordCount = 1;
             if (type == MSG_LOGMSG) {
-                recordCount = buf.readUnsignedShort();
+                recordCount = buf.readUnsignedShortLE();
             }
 
             for (int j = 0; j < recordCount; j++) {
@@ -101,61 +102,60 @@ public class ProgressProtocolDecoder extends BaseProtocolDecoder {
 
                 if (type == MSG_LOGMSG) {
                     position.set(Position.KEY_ARCHIVE, true);
-                    int subtype = buf.readUnsignedShort();
+                    int subtype = buf.readUnsignedShortLE();
                     if (subtype == MSG_ALARM) {
                         position.set(Position.KEY_ALARM, Position.ALARM_GENERAL);
                     }
-                    if (buf.readUnsignedShort() > buf.readableBytes()) {
+                    if (buf.readUnsignedShortLE() > buf.readableBytes()) {
                         lastIndex += 1;
                         break; // workaround for device bug
                     }
-                    lastIndex = buf.readUnsignedInt();
+                    lastIndex = buf.readUnsignedIntLE();
                     position.set(Position.KEY_INDEX, lastIndex);
                 } else {
-                    newIndex = buf.readUnsignedInt();
+                    newIndex = buf.readUnsignedIntLE();
                 }
 
-                position.setTime(new Date(buf.readUnsignedInt() * 1000));
-                position.setLatitude(buf.readInt() * 180.0 / 0x7FFFFFFF);
-                position.setLongitude(buf.readInt() * 180.0 / 0x7FFFFFFF);
-                position.setSpeed(buf.readUnsignedInt() * 0.01);
-                position.setCourse(buf.readUnsignedShort() * 0.01);
-                position.setAltitude(buf.readUnsignedShort() * 0.01);
+                position.setTime(new Date(buf.readUnsignedIntLE() * 1000));
+                position.setLatitude(buf.readIntLE() * 180.0 / 0x7FFFFFFF);
+                position.setLongitude(buf.readIntLE() * 180.0 / 0x7FFFFFFF);
+                position.setSpeed(buf.readUnsignedIntLE() * 0.01);
+                position.setCourse(buf.readUnsignedShortLE() * 0.01);
+                position.setAltitude(buf.readUnsignedShortLE() * 0.01);
 
                 int satellites = buf.readUnsignedByte();
                 position.setValid(satellites >= 3);
                 position.set(Position.KEY_SATELLITES, satellites);
 
                 position.set(Position.KEY_RSSI, buf.readUnsignedByte());
-                position.set(Position.KEY_ODOMETER, buf.readUnsignedInt());
+                position.set(Position.KEY_ODOMETER, buf.readUnsignedIntLE());
 
-                long extraFlags = buf.readLong();
+                long extraFlags = buf.readLongLE();
 
                 if (BitUtil.check(extraFlags, 0)) {
-                    int count = buf.readUnsignedShort();
+                    int count = buf.readUnsignedShortLE();
                     for (int i = 1; i <= count; i++) {
-                        position.set(Position.PREFIX_ADC + i, buf.readUnsignedShort());
+                        position.set(Position.PREFIX_ADC + i, buf.readUnsignedShortLE());
                     }
                 }
 
                 if (BitUtil.check(extraFlags, 1)) {
-                    int size = buf.readUnsignedShort();
+                    int size = buf.readUnsignedShortLE();
                     position.set("can", buf.toString(buf.readerIndex(), size, StandardCharsets.US_ASCII));
                     buf.skipBytes(size);
                 }
 
                 if (BitUtil.check(extraFlags, 2)) {
-                    position.set("passenger",
-                            ChannelBuffers.hexDump(buf.readBytes(buf.readUnsignedShort())));
+                    position.set("passenger", ByteBufUtil.hexDump(buf.readBytes(buf.readUnsignedShortLE())));
                 }
 
                 if (type == MSG_ALARM) {
                     position.set(Position.KEY_ALARM, true);
                     byte[] response = {(byte) 0xC9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-                    channel.write(ChannelBuffers.wrappedBuffer(response));
+                    channel.write(Unpooled.wrappedBuffer(response));
                 }
 
-                buf.readUnsignedInt(); // crc
+                buf.readUnsignedIntLE(); // crc
 
                 positions.add(position);
             }
diff --git a/src/org/traccar/protocol/Pt3000Protocol.java b/src/org/traccar/protocol/Pt3000Protocol.java
index 9c9da3301..03cc493d9 100644
--- a/src/org/traccar/protocol/Pt3000Protocol.java
+++ b/src/org/traccar/protocol/Pt3000Protocol.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Anton Tananaev (anton@traccar.org)
+ * Copyright 2015 - 2018 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.
@@ -15,12 +15,11 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.bootstrap.ServerBootstrap;
-import org.jboss.netty.channel.ChannelPipeline;
-import org.jboss.netty.handler.codec.string.StringDecoder;
-import org.jboss.netty.handler.codec.string.StringEncoder;
+import io.netty.handler.codec.string.StringDecoder;
+import io.netty.handler.codec.string.StringEncoder;
 import org.traccar.BaseProtocol;
 import org.traccar.CharacterDelimiterFrameDecoder;
+import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.util.List;
@@ -33,9 +32,9 @@ public class Pt3000Protocol extends BaseProtocol {
 
     @Override
     public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(new ServerBootstrap(), getName()) {
+        serverList.add(new TrackerServer(false, getName()) {
             @Override
-            protected void addSpecificHandlers(ChannelPipeline pipeline) {
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast("frameDecoder", new CharacterDelimiterFrameDecoder(1024, 'd')); // probably wrong
                 pipeline.addLast("stringEncoder", new StringEncoder());
                 pipeline.addLast("stringDecoder", new StringDecoder());
diff --git a/src/org/traccar/protocol/Pt3000ProtocolDecoder.java b/src/org/traccar/protocol/Pt3000ProtocolDecoder.java
index f4540afe8..8e9d99d14 100644
--- a/src/org/traccar/protocol/Pt3000ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Pt3000ProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 - 2015 Anton Tananaev (anton@traccar.org)
+ * Copyright 2013 - 2018 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.
@@ -15,7 +15,7 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.channel.Channel;
+import io.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.DeviceSession;
 import org.traccar.helper.DateBuilder;
diff --git a/src/org/traccar/protocol/Pt502FrameDecoder.java b/src/org/traccar/protocol/Pt502FrameDecoder.java
index 4d3e9b4d5..9c7989446 100644
--- a/src/org/traccar/protocol/Pt502FrameDecoder.java
+++ b/src/org/traccar/protocol/Pt502FrameDecoder.java
@@ -15,20 +15,20 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.buffer.ChannelBuffer;
-import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
-import org.jboss.netty.handler.codec.frame.FrameDecoder;
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import org.traccar.BaseFrameDecoder;
 
 import java.nio.charset.StandardCharsets;
 
-public class Pt502FrameDecoder extends FrameDecoder {
+public class Pt502FrameDecoder extends BaseFrameDecoder {
 
     private static final int BINARY_HEADER = 5;
 
     @Override
     protected Object decode(
-            ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception {
+            ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception {
 
         if (buf.readableBytes() < 10) {
             return null;
@@ -37,10 +37,10 @@ public class Pt502FrameDecoder extends FrameDecoder {
         if (buf.getUnsignedByte(buf.readerIndex()) == 0xbf
                 && buf.toString(buf.readerIndex() + BINARY_HEADER, 4, StandardCharsets.US_ASCII).equals("$PHD")) {
 
-            int length = buf.getUnsignedShort(buf.readerIndex() + 3);
+            int length = buf.getUnsignedShortLE(buf.readerIndex() + 3);
             if (buf.readableBytes() >= length) {
                 buf.skipBytes(BINARY_HEADER);
-                ChannelBuffer result = buf.readBytes(length - BINARY_HEADER - 2);
+                ByteBuf result = buf.readBytes(length - BINARY_HEADER - 2);
                 buf.skipBytes(2); // line break
                 return result;
             }
@@ -57,8 +57,8 @@ public class Pt502FrameDecoder extends FrameDecoder {
             }
 
             if (index > 0) {
-                ChannelBuffer result = buf.readBytes(index - buf.readerIndex());
-                while (buf.readable()
+                ByteBuf result = buf.readBytes(index - buf.readerIndex());
+                while (buf.isReadable()
                         && (buf.getByte(buf.readerIndex()) == '\r' || buf.getByte(buf.readerIndex()) == '\n')) {
                     buf.skipBytes(1);
                 }
diff --git a/src/org/traccar/protocol/Pt502Protocol.java b/src/org/traccar/protocol/Pt502Protocol.java
index f7d0d04a2..fe8a0bb6c 100644
--- a/src/org/traccar/protocol/Pt502Protocol.java
+++ b/src/org/traccar/protocol/Pt502Protocol.java
@@ -15,14 +15,12 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.bootstrap.ServerBootstrap;
-import org.jboss.netty.channel.ChannelPipeline;
-import org.jboss.netty.handler.codec.string.StringEncoder;
+import io.netty.handler.codec.string.StringEncoder;
 import org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.nio.ByteOrder;
 import java.util.List;
 
 public class Pt502Protocol extends BaseProtocol {
@@ -39,17 +37,15 @@ public class Pt502Protocol extends BaseProtocol {
 
     @Override
     public void initTrackerServers(List<TrackerServer> serverList) {
-        TrackerServer server = new TrackerServer(new ServerBootstrap(), getName()) {
+        serverList.add(new TrackerServer(false, getName()) {
             @Override
-            protected void addSpecificHandlers(ChannelPipeline pipeline) {
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast("frameDecoder", new Pt502FrameDecoder());
                 pipeline.addLast("stringEncoder", new StringEncoder());
                 pipeline.addLast("objectEncoder", new Pt502ProtocolEncoder());
                 pipeline.addLast("objectDecoder", new Pt502ProtocolDecoder(Pt502Protocol.this));
             }
-        };
-        server.setEndianness(ByteOrder.LITTLE_ENDIAN);
-        serverList.add(server);
+        });
     }
 
 }
diff --git a/src/org/traccar/protocol/Pt502ProtocolDecoder.java b/src/org/traccar/protocol/Pt502ProtocolDecoder.java
index 76e7ee1bf..4f75666ae 100644
--- a/src/org/traccar/protocol/Pt502ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Pt502ProtocolDecoder.java
@@ -16,9 +16,9 @@
  */

 package org.traccar.protocol;

 

-import org.jboss.netty.buffer.ChannelBuffer;

-import org.jboss.netty.buffer.ChannelBuffers;

-import org.jboss.netty.channel.Channel;

+import io.netty.buffer.ByteBuf;

+import io.netty.buffer.Unpooled;

+import io.netty.channel.Channel;

 import org.traccar.BaseProtocolDecoder;

 import org.traccar.Context;

 import org.traccar.DeviceSession;

@@ -35,7 +35,7 @@ public class Pt502ProtocolDecoder extends BaseProtocolDecoder {
 

     private static final int MAX_CHUNK_SIZE = 960;

 

-    private ChannelBuffer photo;

+    private ByteBuf photo;

 

     public Pt502ProtocolDecoder(Pt502Protocol protocol) {

         super(protocol);

@@ -152,7 +152,7 @@ public class Pt502ProtocolDecoder extends BaseProtocolDecoder {
     protected Object decode(

             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {

 

-        ChannelBuffer buf = (ChannelBuffer) msg;

+        ByteBuf buf = (ByteBuf) msg;

 

         int typeEndIndex = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) ',');

         String type = buf.toString(buf.readerIndex(), typeEndIndex - buf.readerIndex(), StandardCharsets.US_ASCII);

@@ -195,7 +195,7 @@ public class Pt502ProtocolDecoder extends BaseProtocolDecoder {
             if (type.startsWith("$PHO")) {

                 int size = Integer.parseInt(type.split("-")[0].substring(4));

                 if (size > 0) {

-                    photo = ChannelBuffers.buffer(size);

+                    photo = Unpooled.buffer(size);

                     requestPhotoFragment(channel);

                 }

             }

diff --git a/src/org/traccar/protocol/Pt60Protocol.java b/src/org/traccar/protocol/Pt60Protocol.java
index 857790efd..6c03f209e 100644
--- a/src/org/traccar/protocol/Pt60Protocol.java
+++ b/src/org/traccar/protocol/Pt60Protocol.java
@@ -15,12 +15,11 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.bootstrap.ServerBootstrap;
-import org.jboss.netty.channel.ChannelPipeline;
-import org.jboss.netty.handler.codec.string.StringDecoder;
-import org.jboss.netty.handler.codec.string.StringEncoder;
+import io.netty.handler.codec.string.StringDecoder;
+import io.netty.handler.codec.string.StringEncoder;
 import org.traccar.BaseProtocol;
 import org.traccar.CharacterDelimiterFrameDecoder;
+import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.util.List;
@@ -33,9 +32,9 @@ public class Pt60Protocol extends BaseProtocol {
 
     @Override
     public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(new ServerBootstrap(), getName()) {
+        serverList.add(new TrackerServer(false, getName()) {
             @Override
-            protected void addSpecificHandlers(ChannelPipeline pipeline) {
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast("frameDecoder", new CharacterDelimiterFrameDecoder(1024, "@R#@"));
                 pipeline.addLast("stringEncoder", new StringEncoder());
                 pipeline.addLast("stringDecoder", new StringDecoder());
diff --git a/src/org/traccar/protocol/Pt60ProtocolDecoder.java b/src/org/traccar/protocol/Pt60ProtocolDecoder.java
index 26f07a0a9..24dc72332 100644
--- a/src/org/traccar/protocol/Pt60ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Pt60ProtocolDecoder.java
@@ -15,9 +15,10 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.channel.Channel;
+import io.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
 import org.traccar.helper.Parser;
 import org.traccar.helper.PatternBuilder;
 import org.traccar.model.Position;
@@ -49,10 +50,10 @@ public class Pt60ProtocolDecoder extends BaseProtocolDecoder {
             .expression("(.*)")                  // data
             .compile();
 
-    private void sendResponse(Channel channel) {
+    private void sendResponse(Channel channel, SocketAddress remoteAddress) {
         if (channel != null) {
             DateFormat dateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
-            channel.write("@G#@,V01,38," + dateFormat.format(new Date()) + ",@R#@");
+            channel.write(new NetworkMessage("@G#@,V01,38," + dateFormat.format(new Date()) + ",@R#@", remoteAddress));
         }
     }
 
@@ -60,7 +61,7 @@ public class Pt60ProtocolDecoder extends BaseProtocolDecoder {
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
 
-        sendResponse(channel);
+        sendResponse(channel, remoteAddress);
 
         Parser parser = new Parser(PATTERN, (String) msg);
         if (!parser.matches()) {