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-rw-r--r--src/org/traccar/protocol/DmtProtocolDecoder.java262
1 files changed, 169 insertions, 93 deletions
diff --git a/src/org/traccar/protocol/DmtProtocolDecoder.java b/src/org/traccar/protocol/DmtProtocolDecoder.java
index 3739253f0..204d81820 100644
--- a/src/org/traccar/protocol/DmtProtocolDecoder.java
+++ b/src/org/traccar/protocol/DmtProtocolDecoder.java
@@ -21,6 +21,7 @@ import org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
import org.traccar.helper.BitUtil;
+import org.traccar.helper.DateBuilder;
import org.traccar.helper.UnitsConverter;
import org.traccar.model.Position;
@@ -42,6 +43,7 @@ public class DmtProtocolDecoder extends BaseProtocolDecoder {
public static final int MSG_DATA_RECORD = 0x04;
public static final int MSG_COMMIT = 0x05;
public static final int MSG_COMMIT_RESPONSE = 0x06;
+ public static final int MSG_DATA_RECORD_64 = 0x10;
public static final int MSG_CANNED_REQUEST_1 = 0x14;
public static final int MSG_CANNED_RESPONSE_1 = 0x15;
@@ -61,6 +63,169 @@ public class DmtProtocolDecoder extends BaseProtocolDecoder {
}
}
+ private List<Position> decodeFixed64(Channel channel, SocketAddress remoteAddress, ChannelBuffer buf) {
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+ if (deviceSession == null) {
+ return null;
+ }
+
+ List<Position> positions = new LinkedList<>();
+
+ while (buf.readableBytes() >= 64) {
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ buf.readByte(); // type
+
+ position.set(Position.KEY_INDEX, buf.readUnsignedInt());
+
+ long time = buf.readUnsignedInt();
+ position.setTime(new DateBuilder()
+ .setYear((int) (2000 + (time & 0x3F)))
+ .setMonth((int) (time >> 6) & 0xF)
+ .setDay((int) (time >> 10) & 0x1F)
+ .setHour((int) (time >> 15) & 0x1F)
+ .setMinute((int) (time >> 20) & 0x3F)
+ .setSecond((int) (time >> 26) & 0x3F)
+ .getDate());
+
+ position.setLatitude(buf.readInt() * 0.0000001);
+ position.setLongitude(buf.readInt() * 0.0000001);
+ position.setSpeed(UnitsConverter.knotsFromCps(buf.readUnsignedShort()));
+ position.setCourse(buf.readUnsignedByte() * 2);
+ position.setAltitude(buf.readShort());
+
+ buf.readUnsignedShort(); // position accuracy
+ buf.readUnsignedByte(); // speed accuracy
+
+ position.set(Position.KEY_EVENT, buf.readUnsignedByte());
+
+ position.setValid(BitUtil.check(buf.readByte(), 0));
+
+ position.set(Position.KEY_INPUT, buf.readUnsignedInt());
+ position.set(Position.KEY_OUTPUT, buf.readUnsignedShort());
+
+ for (int i = 1; i <= 5; i++) {
+ position.set(Position.PREFIX_ADC + i, buf.readShort());
+ }
+
+ position.set(Position.KEY_DEVICE_TEMP, buf.readByte());
+
+ buf.readShort(); // accelerometer x
+ buf.readShort(); // accelerometer y
+ buf.readShort(); // accelerometer z
+
+ buf.skipBytes(8); // device id
+
+ position.set(Position.KEY_PDOP, buf.readUnsignedShort() * 0.01);
+
+ buf.skipBytes(2); // reserved
+
+ buf.readUnsignedShort(); // checksum
+
+ positions.add(position);
+ }
+
+ return positions;
+ }
+
+ private List<Position> decodeStandard(Channel channel, SocketAddress remoteAddress, ChannelBuffer buf) {
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+ if (deviceSession == null) {
+ return null;
+ }
+
+ List<Position> positions = new LinkedList<>();
+
+ while (buf.readable()) {
+ int recordEnd = buf.readerIndex() + buf.readUnsignedShort();
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.set(Position.KEY_INDEX, buf.readUnsignedInt());
+
+ position.setDeviceTime(new Date(1356998400000L + buf.readUnsignedInt() * 1000)); // since 1 Jan 2013
+
+ position.set(Position.KEY_EVENT, buf.readUnsignedByte());
+
+ while (buf.readerIndex() < recordEnd) {
+
+ int fieldId = buf.readUnsignedByte();
+ int fieldLength = buf.readUnsignedByte();
+ int fieldEnd = buf.readerIndex() + (fieldLength == 255 ? buf.readUnsignedShort() : fieldLength);
+
+ if (fieldId == 0) {
+
+ position.setFixTime(new Date(1356998400000L + buf.readUnsignedInt() * 1000));
+ position.setLatitude(buf.readInt() * 0.0000001);
+ position.setLongitude(buf.readInt() * 0.0000001);
+ position.setAltitude(buf.readShort());
+ position.setSpeed(UnitsConverter.knotsFromCps(buf.readUnsignedShort()));
+
+ buf.readUnsignedByte(); // speed accuracy
+
+ position.setCourse(buf.readUnsignedByte() * 2);
+
+ position.set(Position.KEY_PDOP, buf.readUnsignedByte() * 0.1);
+
+ position.setAccuracy(buf.readUnsignedByte());
+ position.setValid(buf.readUnsignedByte() != 0);
+
+ } else if (fieldId == 2) {
+
+ int input = buf.readInt();
+ int output = buf.readUnsignedShort();
+ int status = buf.readUnsignedShort();
+
+ position.set(Position.KEY_IGNITION, BitUtil.check(input, 0));
+
+ position.set(Position.KEY_INPUT, input);
+ position.set(Position.KEY_OUTPUT, output);
+ position.set(Position.KEY_STATUS, status);
+
+ } else if (fieldId == 6) {
+
+ while (buf.readerIndex() < fieldEnd) {
+ switch (buf.readUnsignedByte()) {
+ case 1:
+ position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.001);
+ break;
+ case 2:
+ position.set(Position.KEY_POWER, buf.readUnsignedShort() * 0.01);
+ break;
+ case 3:
+ position.set(Position.KEY_DEVICE_TEMP, buf.readShort() * 0.01);
+ break;
+ case 4:
+ position.set(Position.KEY_RSSI, buf.readUnsignedShort());
+ break;
+ case 5:
+ position.set("solarPower", buf.readUnsignedShort() * 0.001);
+ break;
+ default:
+ break;
+ }
+ }
+
+ }
+
+ buf.readerIndex(fieldEnd);
+
+ }
+
+ if (position.getFixTime() == null) {
+ getLastLocation(position, position.getDeviceTime());
+ }
+
+ positions.add(position);
+ }
+
+ return positions;
+ }
+
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
@@ -106,102 +271,13 @@ public class DmtProtocolDecoder extends BaseProtocolDecoder {
sendResponse(channel, MSG_CANNED_RESPONSE_2, null);
- } else if (type == MSG_DATA_RECORD) {
-
- DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
- if (deviceSession == null) {
- return null;
- }
-
- List<Position> positions = new LinkedList<>();
-
- while (buf.readable()) {
-
- int recordEnd = buf.readerIndex() + buf.readUnsignedShort();
-
- Position position = new Position(getProtocolName());
- position.setDeviceId(deviceSession.getDeviceId());
-
- position.set(Position.KEY_INDEX, buf.readUnsignedInt());
-
- position.setDeviceTime(new Date(1356998400000L + buf.readUnsignedInt() * 1000)); // since 1 Jan 2013
-
- position.set(Position.KEY_EVENT, buf.readUnsignedByte());
-
- while (buf.readerIndex() < recordEnd) {
+ } else if (type == MSG_DATA_RECORD_64) {
- int fieldId = buf.readUnsignedByte();
- int fieldLength = buf.readUnsignedByte();
- int fieldEnd = buf.readerIndex() + (fieldLength == 255 ? buf.readUnsignedShort() : fieldLength);
+ return decodeFixed64(channel, remoteAddress, buf);
- if (fieldId == 0) {
-
- position.setFixTime(new Date(1356998400000L + buf.readUnsignedInt() * 1000));
- position.setLatitude(buf.readInt() * 0.0000001);
- position.setLongitude(buf.readInt() * 0.0000001);
- position.setAltitude(buf.readShort());
- position.setSpeed(UnitsConverter.knotsFromCps(buf.readUnsignedShort()));
-
- buf.readUnsignedByte(); // speed accuracy
-
- position.setCourse(buf.readUnsignedByte() * 2);
-
- position.set(Position.KEY_PDOP, buf.readUnsignedByte() * 0.1);
-
- position.setAccuracy(buf.readUnsignedByte());
- position.setValid(buf.readUnsignedByte() != 0);
-
- } else if (fieldId == 2) {
-
- int input = buf.readInt();
- int output = buf.readUnsignedShort();
- int status = buf.readUnsignedShort();
-
- position.set(Position.KEY_IGNITION, BitUtil.check(input, 0));
-
- position.set(Position.KEY_INPUT, input);
- position.set(Position.KEY_OUTPUT, output);
- position.set(Position.KEY_STATUS, status);
-
- } else if (fieldId == 6) {
-
- while (buf.readerIndex() < fieldEnd) {
- switch (buf.readUnsignedByte()) {
- case 1:
- position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.001);
- break;
- case 2:
- position.set(Position.KEY_POWER, buf.readUnsignedShort() * 0.01);
- break;
- case 3:
- position.set(Position.KEY_DEVICE_TEMP, buf.readShort() * 0.01);
- break;
- case 4:
- position.set(Position.KEY_RSSI, buf.readUnsignedShort());
- break;
- case 5:
- position.set("solarPower", buf.readUnsignedShort() * 0.001);
- break;
- default:
- break;
- }
- }
-
- }
-
- buf.readerIndex(fieldEnd);
-
- }
-
- if (position.getFixTime() == null) {
- getLastLocation(position, position.getDeviceTime());
- }
-
- positions.add(position);
-
- }
+ } else if (type == MSG_DATA_RECORD) {
- return positions;
+ return decodeStandard(channel, remoteAddress, buf);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-03 21:21:38 +0000