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authorAnton Tananaev <anton.tananaev@gmail.com>2015-08-06 15:55:08 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2015-08-06 15:55:08 +1200
commit4749a641514d86a7fd6b369e8d4467e253ca517f (patch)
tree3c4db13d8a382f94dc56dc9dc9f94425bd86b73f /src/org/traccar/protocol/MegastekProtocolDecoder.java
parentd6367d8252d546bc2f79602f5cbbe87fd9febe95 (diff)
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Implement GVT-800 decoding (fix #1334)
Diffstat (limited to 'src/org/traccar/protocol/MegastekProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/MegastekProtocolDecoder.java126
1 files changed, 111 insertions, 15 deletions
diff --git a/src/org/traccar/protocol/MegastekProtocolDecoder.java b/src/org/traccar/protocol/MegastekProtocolDecoder.java
index e35b75869..866e92465 100644
--- a/src/org/traccar/protocol/MegastekProtocolDecoder.java
+++ b/src/org/traccar/protocol/MegastekProtocolDecoder.java
@@ -22,7 +22,6 @@ 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.model.Event;
@@ -127,13 +126,8 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
return true;
}
-
- @Override
- protected Object decode(
- Channel channel, SocketAddress remoteAddress, Object msg)
- throws Exception {
- String sentence = (String) msg;
+ private Position decodeOld(Channel channel, String sentence) {
// Detect type
boolean simple = (sentence.charAt(3) == ',' || sentence.charAt(6) == ',');
@@ -154,7 +148,7 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
beginIndex = endIndex + 1;
status = sentence.substring(beginIndex);
-
+
} else {
int beginIndex = 3;
@@ -167,7 +161,7 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
beginIndex = endIndex + 1;
status = sentence.substring(beginIndex);
-
+
}
// Create new position
@@ -178,7 +172,7 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
if (!parseGPRMC(gprmc, position)) {
return null;
}
-
+
if (simple) {
// Parse status
@@ -186,7 +180,7 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
if (!parser.matches()) {
return null;
}
-
+
int index = 1;
// Alarm
@@ -221,7 +215,7 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
position.set(Event.KEY_MCC, parser.group(index++));
position.set(Event.KEY_MNC, parser.group(index++));
position.set(Event.KEY_LAC, parser.group(index++));
-
+
} else {
// Parse status
@@ -229,7 +223,7 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
if (!parser.matches()) {
return null;
}
-
+
int index = 1;
if (!identify(id, channel)) {
@@ -244,7 +238,7 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
// Battery
position.set(Event.KEY_BATTERY, Double.valueOf(parser.group(index++)));
-
+
position.set(Event.KEY_FLAGS, parser.group(index++));
position.set(Event.KEY_INPUT, parser.group(index++));
position.set(Event.KEY_OUTPUT, parser.group(index++));
@@ -252,9 +246,111 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
position.set(Event.PREFIX_ADC + 2, parser.group(index++));
position.set(Event.PREFIX_ADC + 3, parser.group(index++));
position.set(Event.KEY_ALARM, parser.group(index++));
-
+
+ }
+
+ return position;
+ }
+
+ private static final Pattern patternNew = Pattern.compile(
+ "\\$MGV\\d{3}," +
+ "(\\d+)," + // IMEI
+ "[^,]*," + // Name
+ "([RS])," +
+ "(\\d{2})(\\d{2})(\\d{2})," + // Date (DDMMYY)
+ "(\\d{2})(\\d{2})(\\d{2})," + // Time (HHMMSS)
+ "([AV])," + // Validity
+ "(\\d+)(\\d{2}\\.\\d+)," + // Latitude (DDMM.MMMM)
+ "([NS])," +
+ "(\\d+)(\\d{2}\\.\\d+)," + // Longitude (DDDMM.MMMM)
+ "([EW])," +
+ "\\d{2}," +
+ "(\\d{2})," + // Satellites
+ "\\d{2}," +
+ "(\\d+\\.\\d+)," + // HDOP
+ "(\\d+\\.\\d+)," + // Speed
+ "(\\d+\\.\\d+)," + // Course
+ "(\\d+\\.\\d+)," + // Altitude
+ "(\\d+\\.\\d+)," + // Odometer
+ ".*");
+
+ //$MGV002,013777007536434,,R,010114,000057,V,0000.0000,N,00000.0000,E,00,00,00,99.9,0.000,0.00,0.0,80.263,510,89,2342,030B,,0000,0000,200,96,0, , ,,,,Timer;!
+ //<data head><protocol version>,<device IMEI>,<device name>,
+ // <GPRS real-time/stored data flag>,<date>,<time>,<GPS fixed flag>,
+ // <latitude>,<N/S>,<longitude>,<W/E>,<used satellite number of BDS>,<used satellite number of GPS>,<used satellite number of GLONASS>,
+ // <HDOP>,<speed>,<course>,<altitude>,<mileage>,<MCC>,<MNC>,<LAC>,<Cell ID>,<GSM signal strength>,<digital input>,<digital output>,
+ // <analog input 1>,<analog input 2>,<analog input 3>,<temperature sensor 1>,<temperature sensor 2>,<RFID>,<external accessories status>,
+ // <battery level>,<alert event type>;<checksum><data tail>
+ private Position decodeNew(Channel channel, String sentence) {
+
+ Matcher parser = patternNew.matcher(sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+ int index = 1;
+
+ Position position = new Position();
+ position.setProtocol(getProtocolName());
+
+ if (!identify(parser.group(index++), channel)) {
+ return null;
}
+ position.setDeviceId(getDeviceId());
+
+ if (parser.group(index++).equals("S")) {
+ position.set(Event.KEY_ARCHIVE, true);
+ }
+
+ // Date and Time
+ Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+ time.clear();
+ 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++)));
+ time.set(Calendar.HOUR_OF_DAY, Integer.valueOf(parser.group(index++)));
+ time.set(Calendar.MINUTE, Integer.valueOf(parser.group(index++)));
+ time.set(Calendar.SECOND, Integer.valueOf(parser.group(index++)));
+ position.setTime(time.getTime());
+
+ // Validity
+ position.setValid(parser.group(index++).equals("A"));
+
+ // Latitude
+ double latitude = Double.valueOf(parser.group(index++));
+ latitude += Double.valueOf(parser.group(index++)) / 60;
+ if (parser.group(index++).equals("S")) latitude = -latitude;
+ position.setLatitude(latitude);
+
+ // Longitude
+ double longitude = Double.valueOf(parser.group(index++));
+ longitude += Double.valueOf(parser.group(index++)) / 60;
+ if (parser.group(index++).equals("W")) longitude = -longitude;
+ position.setLongitude(longitude);
+
+ position.set(Event.KEY_SATELLITES, Integer.parseInt(parser.group(index++)));
+ position.set(Event.KEY_HDOP, Double.parseDouble(parser.group(index++)));
+
+ position.setSpeed(Double.parseDouble(parser.group(index++)));
+ position.setCourse(Double.parseDouble(parser.group(index++)));
+ position.setAltitude(Double.parseDouble(parser.group(index++)));
+
+ position.set(Event.KEY_ODOMETER, Double.parseDouble(parser.group(index++)));
+
return position;
}
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg)
+ throws Exception {
+
+ String sentence = (String) msg;
+
+ if (sentence.startsWith("$MG")) {
+ return decodeNew(channel, sentence);
+ } else {
+ return decodeOld(channel, sentence);
+ }
+ }
}