Fix various issues

13 files changed, 69 insertions, 65 deletions

diff --git a/src/org/traccar/protocol/At2000ProtocolDecoder.java b/src/org/traccar/protocol/At2000ProtocolDecoder.java
index 4c2967158..4457854e3 100644
--- a/src/org/traccar/protocol/At2000ProtocolDecoder.java
+++ b/src/org/traccar/protocol/At2000ProtocolDecoder.java
@@ -106,51 +106,54 @@ public class At2000ProtocolDecoder extends BaseProtocolDecoder {
                 return null; // empty message
             }
 
+            List<Position> positions = new LinkedList<>();
+
             byte[] data = new byte[buf.capacity() - BLOCK_LENGTH];
             buf.readBytes(data);
             buf = Unpooled.wrappedBuffer(cipher.update(data));
+            try {
+                while (buf.readableBytes() >= 63) {
 
-            List<Position> positions = new LinkedList<>();
-
-            while (buf.readableBytes() >= 63) {
-
-                Position position = new Position(getProtocolName());
-                position.setDeviceId(deviceSession.getDeviceId());
+                    Position position = new Position(getProtocolName());
+                    position.setDeviceId(deviceSession.getDeviceId());
 
-                buf.readUnsignedShortLE(); // index
-                buf.readUnsignedShortLE(); // reserved
+                    buf.readUnsignedShortLE(); // index
+                    buf.readUnsignedShortLE(); // reserved
 
-                position.setValid(true);
+                    position.setValid(true);
 
-                position.setTime(new Date(buf.readLongLE() * 1000));
+                    position.setTime(new Date(buf.readLongLE() * 1000));
 
-                position.setLatitude(buf.readFloatLE());
-                position.setLongitude(buf.readFloatLE());
-                position.setAltitude(buf.readFloatLE());
-                position.setSpeed(UnitsConverter.knotsFromKph(buf.readFloatLE()));
-                position.setCourse(buf.readFloatLE());
+                    position.setLatitude(buf.readFloatLE());
+                    position.setLongitude(buf.readFloatLE());
+                    position.setAltitude(buf.readFloatLE());
+                    position.setSpeed(UnitsConverter.knotsFromKph(buf.readFloatLE()));
+                    position.setCourse(buf.readFloatLE());
 
-                buf.readUnsignedIntLE(); // geozone event
-                buf.readUnsignedIntLE(); // io events
-                buf.readUnsignedIntLE(); // geozone value
-                buf.readUnsignedIntLE(); // io values
-                buf.readUnsignedShortLE(); // operator
+                    buf.readUnsignedIntLE(); // geozone event
+                    buf.readUnsignedIntLE(); // io events
+                    buf.readUnsignedIntLE(); // geozone value
+                    buf.readUnsignedIntLE(); // io values
+                    buf.readUnsignedShortLE(); // operator
 
-                position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShortLE());
-                position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShortLE());
+                    position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShortLE());
+                    position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShortLE());
 
-                position.set(Position.KEY_POWER, buf.readUnsignedShortLE() * 0.001);
+                    position.set(Position.KEY_POWER, buf.readUnsignedShortLE() * 0.001);
 
-                buf.readUnsignedShortLE(); // cid
-                position.set(Position.KEY_RSSI, buf.readUnsignedByte());
-                buf.readUnsignedByte(); // current profile
+                    buf.readUnsignedShortLE(); // cid
+                    position.set(Position.KEY_RSSI, buf.readUnsignedByte());
+                    buf.readUnsignedByte(); // current profile
 
-                position.set(Position.KEY_BATTERY, buf.readUnsignedByte());
-                position.set(Position.PREFIX_TEMP + 1, buf.readUnsignedByte());
-                position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
+                    position.set(Position.KEY_BATTERY, buf.readUnsignedByte());
+                    position.set(Position.PREFIX_TEMP + 1, buf.readUnsignedByte());
+                    position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
 
-                positions.add(position);
+                    positions.add(position);
 
+                }
+            } finally {
+                buf.release();
             }
 
             return positions;
diff --git a/src/org/traccar/protocol/BlackKiteProtocol.java b/src/org/traccar/protocol/BlackKiteProtocol.java
index 3e0b918f8..423562907 100644
--- a/src/org/traccar/protocol/BlackKiteProtocol.java
+++ b/src/org/traccar/protocol/BlackKiteProtocol.java
@@ -33,7 +33,7 @@ public class BlackKiteProtocol extends BaseProtocol {
         serverList.add(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
-                // pipeline.addLast("frameDecoder", new GalileoFrameDecoder()); TODO uncomment
+                pipeline.addLast("frameDecoder", new GalileoFrameDecoder());
                 pipeline.addLast("objectDecoder", new BlackKiteProtocolDecoder(BlackKiteProtocol.this));
             }
         });
diff --git a/src/org/traccar/protocol/EelinkProtocolEncoder.java b/src/org/traccar/protocol/EelinkProtocolEncoder.java
index 33dca54f2..64236ca4a 100644
--- a/src/org/traccar/protocol/EelinkProtocolEncoder.java
+++ b/src/org/traccar/protocol/EelinkProtocolEncoder.java
@@ -47,7 +47,7 @@ public class EelinkProtocolEncoder extends BaseProtocolEncoder {
         ByteBuf buf = Unpooled.buffer();
 
         if (connectionless) {
-            buf.writeBytes(Unpooled.wrappedBuffer(DataConverter.parseHex('0' + uniqueId)));
+            buf.writeBytes(DataConverter.parseHex('0' + uniqueId));
         }
 
         buf.writeByte(0x67);
diff --git a/src/org/traccar/protocol/GalileoProtocolEncoder.java b/src/org/traccar/protocol/GalileoProtocolEncoder.java
index 47fbc3f9c..12463dc7d 100644
--- a/src/org/traccar/protocol/GalileoProtocolEncoder.java
+++ b/src/org/traccar/protocol/GalileoProtocolEncoder.java
@@ -31,7 +31,7 @@ public class GalileoProtocolEncoder extends BaseProtocolEncoder {
         ByteBuf buf = Unpooled.buffer(256);
 
         buf.writeByte(0x01);
-        buf.writeShortLE(uniqueId.length() + text.length() + 11); // TODO
+        buf.writeShortLE(uniqueId.length() + text.length() + 11);
 
         buf.writeByte(0x03); // imei tag
         buf.writeBytes(uniqueId.getBytes(StandardCharsets.US_ASCII));
diff --git a/src/org/traccar/protocol/Gps056ProtocolDecoder.java b/src/org/traccar/protocol/Gps056ProtocolDecoder.java
index bfe9fc68e..00010b542 100644
--- a/src/org/traccar/protocol/Gps056ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gps056ProtocolDecoder.java
@@ -90,7 +90,7 @@ public class Gps056ProtocolDecoder extends BaseProtocolDecoder {
         if (type.startsWith("LOGN")) {
 
             sendResponse(channel, "LGSA" + type.substring(4), imei,
-                    Unpooled.copiedBuffer("1", StandardCharsets.US_ASCII));
+                    Unpooled.copiedBuffer("1", StandardCharsets.US_ASCII)); // TODO ref count
 
         } else if (type.startsWith("GPSL")) {
 
diff --git a/src/org/traccar/protocol/HuabaoProtocolEncoder.java b/src/org/traccar/protocol/HuabaoProtocolEncoder.java
index b8db1f21a..a622fdb9a 100644
--- a/src/org/traccar/protocol/HuabaoProtocolEncoder.java
+++ b/src/org/traccar/protocol/HuabaoProtocolEncoder.java
@@ -31,7 +31,7 @@ public class HuabaoProtocolEncoder extends BaseProtocolEncoder {
     protected Object encodeCommand(Command command) {
 
         ByteBuf id =  Unpooled.wrappedBuffer(
-                DataConverter.parseHex(getUniqueId(command.getDeviceId())));
+                DataConverter.parseHex(getUniqueId(command.getDeviceId()))); // TODO ref count
 
         ByteBuf data = Unpooled.buffer();
         byte[] time = DataConverter.parseHex(new SimpleDateFormat("yyMMddHHmmss").format(new Date()));
diff --git a/src/org/traccar/protocol/MeiligaoProtocolDecoder.java b/src/org/traccar/protocol/MeiligaoProtocolDecoder.java
index 6813ffcfe..752168233 100644
--- a/src/org/traccar/protocol/MeiligaoProtocolDecoder.java
+++ b/src/org/traccar/protocol/MeiligaoProtocolDecoder.java
@@ -189,7 +189,7 @@ public class MeiligaoProtocolDecoder extends BaseProtocolDecoder {
 
         if (channel != null) {
             ByteBuf buf = Unpooled.buffer(
-                    2 + 2 + id.readableBytes() + 2 + msg.readableBytes() + 2 + 2);
+                    2 + 2 + id.readableBytes() + 2 + msg.readableBytes() + 2 + 2); // TODO ref count
 
             buf.writeByte('@');
             buf.writeByte('@');
@@ -400,29 +400,28 @@ public class MeiligaoProtocolDecoder extends BaseProtocolDecoder {
         buf.readShort(); // length
         ByteBuf id = buf.readSlice(7);
         int command = buf.readUnsignedShort();
-        ByteBuf response;
 
         if (command == MSG_LOGIN) {
-            response = Unpooled.wrappedBuffer(new byte[]{0x01});
+            ByteBuf response = Unpooled.wrappedBuffer(new byte[]{0x01});
             sendResponse(channel, remoteAddress, id, MSG_LOGIN_RESPONSE, response);
             return null;
         } else if (command == MSG_HEARTBEAT) {
-            response = Unpooled.wrappedBuffer(new byte[]{0x01});
+            ByteBuf response = Unpooled.wrappedBuffer(new byte[]{0x01});
             sendResponse(channel, remoteAddress, id, MSG_HEARTBEAT, response);
             return null;
         } else if (command == MSG_SERVER) {
-            response = Unpooled.copiedBuffer(getServer(channel), StandardCharsets.US_ASCII);
+            ByteBuf response = Unpooled.copiedBuffer(getServer(channel), StandardCharsets.US_ASCII);
             sendResponse(channel, remoteAddress, id, MSG_SERVER, response);
             return null;
         } else if (command == MSG_UPLOAD_PHOTO) {
             byte imageIndex = buf.readByte();
             photos.put(imageIndex, Unpooled.buffer());
-            response = Unpooled.copiedBuffer(new byte[]{imageIndex});
+            ByteBuf response = Unpooled.copiedBuffer(new byte[]{imageIndex});
             sendResponse(channel, remoteAddress, id, MSG_UPLOAD_PHOTO_RESPONSE, response);
             return null;
         } else if (command == MSG_UPLOAD_COMPLETE) {
             byte imageIndex = buf.readByte();
-            response = Unpooled.copiedBuffer(new byte[]{imageIndex, 0, 0});
+            ByteBuf response = Unpooled.copiedBuffer(new byte[]{imageIndex, 0, 0});
             sendResponse(channel, remoteAddress, id, MSG_RETRANSMISSION, response);
             return null;
         }
diff --git a/src/org/traccar/protocol/NavisProtocolDecoder.java b/src/org/traccar/protocol/NavisProtocolDecoder.java
index 37001c35b..dac8f7ba3 100644
--- a/src/org/traccar/protocol/NavisProtocolDecoder.java
+++ b/src/org/traccar/protocol/NavisProtocolDecoder.java
@@ -183,7 +183,7 @@ public class NavisProtocolDecoder extends BaseProtocolDecoder {
         ParseResult result = parsePosition(deviceSession, buf);
 
         ByteBuf response = Unpooled.buffer(8);
-        response.writeBytes(Unpooled.copiedBuffer("*<T", StandardCharsets.US_ASCII));
+        response.writeCharSequence("*<T", StandardCharsets.US_ASCII);
         response.writeIntLE((int) result.getId());
         sendReply(channel, response);
 
@@ -206,7 +206,7 @@ public class NavisProtocolDecoder extends BaseProtocolDecoder {
         }
 
         ByteBuf response = Unpooled.buffer(8);
-        response.writeBytes(Unpooled.copiedBuffer("*<A", StandardCharsets.US_ASCII));
+        response.writeCharSequence("*<A", StandardCharsets.US_ASCII);
         response.writeByte(count);
         sendReply(channel, response);
 
@@ -235,7 +235,7 @@ public class NavisProtocolDecoder extends BaseProtocolDecoder {
 
     private void sendReply(Channel channel, ByteBuf data) {
         ByteBuf header = Unpooled.buffer(16);
-        header.writeBytes(Unpooled.copiedBuffer(prefix, StandardCharsets.US_ASCII));
+        header.writeCharSequence(prefix, StandardCharsets.US_ASCII);
         header.writeIntLE((int) deviceUniqueId);
         header.writeIntLE((int) serverId);
         header.writeShortLE(data.readableBytes());
@@ -243,7 +243,7 @@ public class NavisProtocolDecoder extends BaseProtocolDecoder {
         header.writeByte(checksum(header));
 
         if (channel != null) {
-            channel.writeAndFlush(new NetworkMessage(Unpooled.copiedBuffer(header, data), channel.remoteAddress()));
+            channel.writeAndFlush(new NetworkMessage(Unpooled.wrappedBuffer(header, data), channel.remoteAddress()));
         }
     }
 
diff --git a/src/org/traccar/protocol/NoranProtocolDecoder.java b/src/org/traccar/protocol/NoranProtocolDecoder.java
index 2c5da4a78..65bd64384 100644
--- a/src/org/traccar/protocol/NoranProtocolDecoder.java
+++ b/src/org/traccar/protocol/NoranProtocolDecoder.java
@@ -59,12 +59,12 @@ public class NoranProtocolDecoder extends BaseProtocolDecoder {
         if (type == MSG_SHAKE_HAND && channel != null) {
 
             ByteBuf response = Unpooled.buffer(13);
-            response.writeBytes(Unpooled.copiedBuffer("\r\n*KW", StandardCharsets.US_ASCII));
+            response.writeCharSequence("\r\n*KW", StandardCharsets.US_ASCII);
             response.writeByte(0);
             response.writeShortLE(response.capacity());
             response.writeShortLE(MSG_SHAKE_HAND_RESPONSE);
             response.writeByte(1); // status
-            response.writeBytes(Unpooled.copiedBuffer("\r\n", StandardCharsets.US_ASCII));
+            response.writeCharSequence("\r\n", StandardCharsets.US_ASCII);
 
             channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
 
diff --git a/src/org/traccar/protocol/NoranProtocolEncoder.java b/src/org/traccar/protocol/NoranProtocolEncoder.java
index cb25cc94b..53b0c54ba 100644
--- a/src/org/traccar/protocol/NoranProtocolEncoder.java
+++ b/src/org/traccar/protocol/NoranProtocolEncoder.java
@@ -29,7 +29,7 @@ public class NoranProtocolEncoder extends BaseProtocolEncoder {
 
         ByteBuf buf = Unpooled.buffer(12 + 56);
 
-        buf.writeBytes(Unpooled.copiedBuffer("\r\n*KW", StandardCharsets.US_ASCII));
+        buf.writeCharSequence("\r\n*KW", StandardCharsets.US_ASCII);
         buf.writeByte(0);
         buf.writeShortLE(buf.capacity());
         buf.writeShortLE(NoranProtocolDecoder.MSG_CONTROL);
@@ -37,7 +37,7 @@ public class NoranProtocolEncoder extends BaseProtocolEncoder {
         buf.writeShortLE(0); // gis port
         buf.writeBytes(content.getBytes(StandardCharsets.US_ASCII));
         buf.writerIndex(buf.writerIndex() + 50 - content.length());
-        buf.writeBytes(Unpooled.copiedBuffer("\r\n", StandardCharsets.US_ASCII));
+        buf.writeCharSequence("\r\n", StandardCharsets.US_ASCII);
 
         return buf;
     }
diff --git a/src/org/traccar/protocol/SigfoxProtocolDecoder.java b/src/org/traccar/protocol/SigfoxProtocolDecoder.java
index 5b0855cc3..f18eb015b 100644
--- a/src/org/traccar/protocol/SigfoxProtocolDecoder.java
+++ b/src/org/traccar/protocol/SigfoxProtocolDecoder.java
@@ -60,22 +60,25 @@ public class SigfoxProtocolDecoder extends BaseHttpProtocolDecoder {
         position.setTime(new Date(json.getInt("time") * 1000L));
 
         ByteBuf buf = Unpooled.wrappedBuffer(DataConverter.parseHex(json.getString("data")));
+        try {
+            int type = buf.readUnsignedByte() >> 4;
+            if (type == 0) {
 
-        int type = buf.readUnsignedByte() >> 4;
-        if (type == 0) {
+                position.setValid(true);
+                position.setLatitude(buf.readIntLE() * 0.0000001);
+                position.setLongitude(buf.readIntLE() * 0.0000001);
+                position.setCourse(buf.readUnsignedByte() * 2);
+                position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
 
-            position.setValid(true);
-            position.setLatitude(buf.readIntLE() * 0.0000001);
-            position.setLongitude(buf.readIntLE() * 0.0000001);
-            position.setCourse(buf.readUnsignedByte() * 2);
-            position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
+                position.set(Position.KEY_BATTERY, buf.readUnsignedByte() * 0.025);
 
-            position.set(Position.KEY_BATTERY, buf.readUnsignedByte() * 0.025);
+            } else {
 
-        } else {
-
-            getLastLocation(position, position.getDeviceTime());
+                getLastLocation(position, position.getDeviceTime());
 
+            }
+        } finally {
+            buf.release();
         }
 
         position.set(Position.KEY_RSSI, json.getJsonNumber("rssi").doubleValue());
diff --git a/src/org/traccar/protocol/TlvProtocolDecoder.java b/src/org/traccar/protocol/TlvProtocolDecoder.java
index b682345db..d3ce4e072 100644
--- a/src/org/traccar/protocol/TlvProtocolDecoder.java
+++ b/src/org/traccar/protocol/TlvProtocolDecoder.java
@@ -37,10 +37,10 @@ public class TlvProtocolDecoder extends BaseProtocolDecoder {
     private void sendResponse(Channel channel, SocketAddress remoteAddress, String type, String... arguments) {
         if (channel != null) {
             ByteBuf response = Unpooled.buffer();
-            response.writeBytes(Unpooled.copiedBuffer(type, StandardCharsets.US_ASCII));
+            response.writeCharSequence(type, StandardCharsets.US_ASCII);
             for (String argument : arguments) {
                 response.writeByte(argument.length());
-                response.writeBytes(Unpooled.copiedBuffer(argument, StandardCharsets.US_ASCII));
+                response.writeCharSequence(argument, StandardCharsets.US_ASCII);
             }
             response.writeByte(0);
             channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
diff --git a/src/org/traccar/protocol/TytanProtocolDecoder.java b/src/org/traccar/protocol/TytanProtocolDecoder.java
index ac94e5ca7..6788fd7b9 100644
--- a/src/org/traccar/protocol/TytanProtocolDecoder.java
+++ b/src/org/traccar/protocol/TytanProtocolDecoder.java
@@ -133,8 +133,7 @@ public class TytanProtocolDecoder extends BaseProtocolDecoder {
         int index = buf.readUnsignedByte() >> 3;
 
         if (channel != null) {
-            ByteBuf response = Unpooled.copiedBuffer(
-                    "^" + index, StandardCharsets.US_ASCII);
+            ByteBuf response = Unpooled.copiedBuffer("^" + index, StandardCharsets.US_ASCII);
             channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
         }