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-rw-r--r--src/org/traccar/ServerManager.java39
-rw-r--r--src/org/traccar/helper/Crc.java10
-rw-r--r--src/org/traccar/protocol/GpsGateProtocolDecoder.java158
3 files changed, 203 insertions, 4 deletions
diff --git a/src/org/traccar/ServerManager.java b/src/org/traccar/ServerManager.java
index 85aa8b2cc..7f73dd019 100644
--- a/src/org/traccar/ServerManager.java
+++ b/src/org/traccar/ServerManager.java
@@ -131,8 +131,10 @@ public class ServerManager {
initGt06Server("gt06");
initMegastekServer("megastek");
initNavigilServer("navigil");
- initMta6Server("mta6");
+ initGpsGateServer("gpsgate");
initTeltonikaServer("teltonika");
+ initMta6Server("mta6");
+ initMta6CanServer("mta6can");
// Initialize web server
if (Boolean.valueOf(properties.getProperty("http.enable"))) {
@@ -610,6 +612,34 @@ public class ServerManager {
}
}
+ private void initGpsGateServer(String protocol) throws SQLException {
+ if (isProtocolEnabled(properties, protocol)) {
+ serverList.add(new TrackerServer(this, new ServerBootstrap(), protocol) {
+ @Override
+ protected void addSpecificHandlers(ChannelPipeline pipeline) {
+ byte delimiter[] = { (byte) '\r', (byte) '\n' };
+ pipeline.addLast("frameDecoder",
+ new DelimiterBasedFrameDecoder(1024, ChannelBuffers.wrappedBuffer(delimiter)));
+ pipeline.addLast("stringDecoder", new StringDecoder());
+ pipeline.addLast("stringEncoder", new StringEncoder());
+ pipeline.addLast("objectDecoder", new GpsGateProtocolDecoder(ServerManager.this));
+ }
+ });
+ }
+ }
+
+ private void initTeltonikaServer(String protocol) throws SQLException {
+ if (isProtocolEnabled(properties, protocol)) {
+ serverList.add(new TrackerServer(this, new ServerBootstrap(), protocol) {
+ @Override
+ protected void addSpecificHandlers(ChannelPipeline pipeline) {
+ pipeline.addLast("frameDecoder", new TeltonikaFrameDecoder());
+ pipeline.addLast("objectDecoder", new TeltonikaProtocolDecoder(ServerManager.this));
+ }
+ });
+ }
+ }
+
private void initMta6Server(String protocol) throws SQLException {
if (isProtocolEnabled(properties, protocol)) {
serverList.add(new TrackerServer(this, new ServerBootstrap(), protocol) {
@@ -623,13 +653,14 @@ public class ServerManager {
}
}
- private void initTeltonikaServer(String protocol) throws SQLException {
+ private void initMta6CanServer(String protocol) throws SQLException {
if (isProtocolEnabled(properties, protocol)) {
serverList.add(new TrackerServer(this, new ServerBootstrap(), protocol) {
@Override
protected void addSpecificHandlers(ChannelPipeline pipeline) {
- pipeline.addLast("frameDecoder", new TeltonikaFrameDecoder());
- pipeline.addLast("objectDecoder", new TeltonikaProtocolDecoder(ServerManager.this));
+ pipeline.addLast("httpDecoder", new HttpRequestDecoder());
+ pipeline.addLast("httpEncoder", new HttpResponseEncoder());
+ pipeline.addLast("objectDecoder", new Mta6ProtocolDecoder(ServerManager.this));
}
});
}
diff --git a/src/org/traccar/helper/Crc.java b/src/org/traccar/helper/Crc.java
index cef0cc482..a7adca874 100644
--- a/src/org/traccar/helper/Crc.java
+++ b/src/org/traccar/helper/Crc.java
@@ -16,6 +16,7 @@
package org.traccar.helper;
import java.nio.ByteBuffer;
+import java.nio.charset.Charset;
/**
* CRC functions
@@ -126,5 +127,14 @@ public class Crc {
public static int crc16CcittSeed(ByteBuffer buf, int seed) {
return crc16Reflected(buf, seed, crc16CcittTableReverse) ^ crc16CcittXorout;
}
+
+ public static String nmeaChecksum(String msg) {
+ int checksum = 0;
+ byte bytes[] = msg.getBytes(Charset.defaultCharset());
+ for (int i = 1; i < msg.length(); i++) {
+ checksum ^= bytes[i];
+ }
+ return String.format("*%02x", checksum).toUpperCase();
+ }
}
diff --git a/src/org/traccar/protocol/GpsGateProtocolDecoder.java b/src/org/traccar/protocol/GpsGateProtocolDecoder.java
new file mode 100644
index 000000000..5f51feab9
--- /dev/null
+++ b/src/org/traccar/protocol/GpsGateProtocolDecoder.java
@@ -0,0 +1,158 @@
+/*
+ * Copyright 2013 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 java.util.Calendar;
+import java.util.TimeZone;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.ServerManager;
+import org.traccar.helper.Crc;
+import org.traccar.helper.Log;
+import org.traccar.model.Position;
+
+public class GpsGateProtocolDecoder extends BaseProtocolDecoder {
+
+ private Long deviceId;
+
+ public GpsGateProtocolDecoder(ServerManager serverManager) {
+ super(serverManager);
+ }
+
+ /**
+ * Regular expressions pattern
+ */
+ static private Pattern pattern = Pattern.compile(
+ "\\$GPRMC," +
+ "(\\d{2})(\\d{2})(\\d{2})\\.(\\d+)," + // Time (HHMMSS.SSS)
+ "([AV])," + // Validity
+ "(\\d{2})(\\d{2}\\.\\d+)," + // Latitude (DDMM.MMMM)
+ "([NS])," +
+ "(\\d{3})(\\d{2}\\.\\d+)," + // Longitude (DDDMM.MMMM)
+ "([EW])," +
+ "(\\d+\\.\\d+)?," + // Speed
+ "(\\d+\\.\\d+)?," + // Course
+ "(\\d{2})(\\d{2})(\\d{2})" + // Date (DDMMYY)
+ ".+"); // Other (Checksumm)
+
+ private void send(Channel channel, String message) {
+ if (channel != null) {
+ channel.write(message + Crc.nmeaChecksum(message) + "\r\n");
+ }
+ }
+
+ @Override
+ protected Object decode(
+ ChannelHandlerContext ctx, Channel channel, Object msg)
+ throws Exception {
+
+ String sentence = (String) msg;
+
+ // Process login
+ if (sentence.startsWith("$FRLIN")) {
+ if (sentence.startsWith("$FRLIN,IMEI")) {
+ String imei = sentence.substring(12, sentence.length() - 4);
+ try {
+ deviceId = getDataManager().getDeviceByImei(imei).getId();
+ send(channel, "$FRSES," + channel.getId());
+ } catch(Exception error) {
+ Log.warning("Unknown device - " + imei);
+ send(channel, "$FRERR,AuthError,Unknown device");
+ }
+ } else {
+ Log.warning("Unsupported login type");
+ send(channel, "$FRERR,AuthError,Unsupported login type");
+ }
+ }
+
+ // Process data
+ else if (sentence.contains("$GPRMC") && deviceId != null) {
+
+ // Send response
+ if (channel != null) {
+ channel.write("OK1\r\n");
+ }
+
+ // Parse message
+ Matcher parser = pattern.matcher(sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ // Create new position
+ Position position = new Position();
+ position.setDeviceId(deviceId);
+
+ Integer index = 1;
+
+ // Time
+ Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+ time.clear();
+ time.set(Calendar.HOUR, Integer.valueOf(parser.group(index++)));
+ time.set(Calendar.MINUTE, Integer.valueOf(parser.group(index++)));
+ time.set(Calendar.SECOND, Integer.valueOf(parser.group(index++)));
+ index += 1; // Skip milliseconds
+
+ // Validity
+ position.setValid(parser.group(index++).compareTo("A") == 0 ? true : false);
+
+ // Latitude
+ Double latitude = Double.valueOf(parser.group(index++));
+ latitude += Double.valueOf(parser.group(index++)) / 60;
+ if (parser.group(index++).compareTo("S") == 0) latitude = -latitude;
+ position.setLatitude(latitude);
+
+ // Longitude
+ Double lonlitude = Double.valueOf(parser.group(index++));
+ lonlitude += Double.valueOf(parser.group(index++)) / 60;
+ if (parser.group(index++).compareTo("W") == 0) lonlitude = -lonlitude;
+ position.setLongitude(lonlitude);
+
+ // Speed
+ String speed = parser.group(index++);
+ if (speed != null) {
+ position.setSpeed(Double.valueOf(speed));
+ } else {
+ position.setSpeed(0.0);
+ }
+
+ // Course
+ String course = parser.group(index++);
+ if (course != null) {
+ position.setCourse(Double.valueOf(course));
+ } else {
+ position.setCourse(0.0);
+ }
+
+ // Date
+ time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++)));
+ time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1);
+ time.set(Calendar.YEAR, 2000 + Integer.valueOf(parser.group(index++)));
+ position.setTime(time.getTime());
+
+ // Altitude
+ position.setAltitude(0.0);
+
+ return position;
+ }
+
+ return null;
+ }
+
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 17:05:42 +0000