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authorAnton Tananaev <anton.tananaev@gmail.com>2016-03-18 10:19:33 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2016-03-18 10:19:33 +1300
commit1a34d34e216bb60025d972a57e668673c021f20a (patch)
tree474b24fe355fe99d0141f235ba52d967a5913881 /src/org
parent6c3ede1af193d4069fed71b19bccc33c5522acb0 (diff)
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Implement GNX communication protocol
Diffstat (limited to 'src/org')
-rw-r--r--src/org/traccar/protocol/GnxProtocol.java45
-rw-r--r--src/org/traccar/protocol/GnxProtocolDecoder.java104
2 files changed, 149 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/GnxProtocol.java b/src/org/traccar/protocol/GnxProtocol.java
new file mode 100644
index 000000000..34d9554b1
--- /dev/null
+++ b/src/org/traccar/protocol/GnxProtocol.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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 org.jboss.netty.bootstrap.ServerBootstrap;
+import org.jboss.netty.channel.ChannelPipeline;
+import org.jboss.netty.handler.codec.frame.LineBasedFrameDecoder;
+import org.jboss.netty.handler.codec.string.StringDecoder;
+import org.traccar.BaseProtocol;
+import org.traccar.TrackerServer;
+
+import java.util.List;
+
+public class GnxProtocol extends BaseProtocol {
+
+ public GnxProtocol() {
+ super("gnx");
+ }
+
+ @Override
+ public void initTrackerServers(List<TrackerServer> serverList) {
+ serverList.add(new TrackerServer(new ServerBootstrap(), this.getName()) {
+ @Override
+ protected void addSpecificHandlers(ChannelPipeline pipeline) {
+ pipeline.addLast("frameDecoder", new LineBasedFrameDecoder(1024));
+ pipeline.addLast("stringDecoder", new StringDecoder());
+ pipeline.addLast("objectDecoder", new GnxProtocolDecoder(GnxProtocol.this));
+ }
+ });
+ }
+
+}
diff --git a/src/org/traccar/protocol/GnxProtocolDecoder.java b/src/org/traccar/protocol/GnxProtocolDecoder.java
new file mode 100644
index 000000000..88cc90df2
--- /dev/null
+++ b/src/org/traccar/protocol/GnxProtocolDecoder.java
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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 org.jboss.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.TimeZone;
+import java.util.regex.Pattern;
+
+public class GnxProtocolDecoder extends BaseProtocolDecoder {
+
+ public GnxProtocolDecoder(GnxProtocol protocol) {
+ super(protocol);
+ }
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("$GNX_")
+ .expression("...,") // type
+ .number("(d+),") // imei
+ .number("d+,") // length
+ .expression("([01]),") // history
+ .number("(dd)(dd)(dd),") // device time
+ .number("(dd)(dd)(dd),") // device date
+ .number("(dd)(dd)(dd),") // fix time
+ .number("(dd)(dd)(dd),") // fix date
+ .number("(d),") // valid
+ .number("(dd.d+),") // latitude
+ .expression("([NS]),")
+ .number("(ddd.d+),") // longitude
+ .expression("([EW]),")
+ .number("(d+.?d*),") // speed
+ .number("(d+.?d*),") // course
+ .number("(d+),") // satellites
+ .any()
+ .compile();
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ Parser parser = new Parser(PATTERN, (String) msg);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ Position position = new Position();
+ position.setProtocol(getProtocolName());
+
+ if (!identify(parser.next(), channel, remoteAddress)) {
+ return null;
+ }
+ position.setDeviceId(getDeviceId());
+
+ if (parser.nextInt() == 1) {
+ position.set(Event.KEY_ARCHIVE, true);
+ }
+
+ DateBuilder dateBuilder;
+
+ dateBuilder = new DateBuilder(TimeZone.getTimeZone("GMT+5:30"))
+ .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt())
+ .setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
+ position.setDeviceTime(dateBuilder.getDate());
+
+ dateBuilder = new DateBuilder(TimeZone.getTimeZone("GMT+5:30"))
+ .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt())
+ .setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
+ position.setFixTime(dateBuilder.getDate());
+
+ position.setValid(parser.nextInt() != 0);
+
+ position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM));
+ position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM));
+
+ position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
+ position.setCourse(parser.nextDouble());
+
+ position.set(Event.KEY_SATELLITES, parser.nextInt());
+
+ return position;
+ }
+
+}