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-rw-r--r--src/org/traccar/protocol/GlobalSatProtocolDecoder.java205
1 files changed, 106 insertions, 99 deletions
diff --git a/src/org/traccar/protocol/GlobalSatProtocolDecoder.java b/src/org/traccar/protocol/GlobalSatProtocolDecoder.java
index a2b115445..ee94158be 100644
--- a/src/org/traccar/protocol/GlobalSatProtocolDecoder.java
+++ b/src/org/traccar/protocol/GlobalSatProtocolDecoder.java
@@ -28,6 +28,7 @@ import org.traccar.ServerManager;
import org.traccar.helper.AdvancedConnection;
import org.traccar.helper.Log;
import org.traccar.helper.NamedParameterStatement;
+import org.traccar.model.ExtendedInfoFormatter;
import org.traccar.model.Position;
public class GlobalSatProtocolDecoder extends BaseProtocolDecoder {
@@ -52,30 +53,17 @@ public class GlobalSatProtocolDecoder extends BaseProtocolDecoder {
}
}
- /**
- * 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)*/
-
- // TODO: Acknowledgement
-
@Override
protected Object decode(
ChannelHandlerContext ctx, Channel channel, Object msg)
throws Exception {
String sentence = (String) msg;
+
+ // Send acknowledgement
+ if (channel != null) {
+ channel.write("ACK\r");
+ }
// Message type
String format;
@@ -87,92 +75,111 @@ public class GlobalSatProtocolDecoder extends BaseProtocolDecoder {
return null;
}
- // TODO: check that message contains required parameters
-
-
-
- // Detect device ID
- /*if (sentence.contains("$PGID")) {
- String imei = sentence.substring(6, sentence.length() - 3);
- try {
- deviceId = getDataManager().getDeviceByImei(imei).getId();
- } catch(Exception error) {
- Log.warning("Unknown device - " + imei);
- }
+ // Check that message contains required parameters
+ if (!format.contains("B") || !format.contains("S") ||
+ !(format.contains("1") || format.contains("2") || format.contains("3")) ||
+ !(format.contains("6") || format.contains("7") || format.contains("8"))) {
+ return null;
}
- // Parse message
- else if (sentence.contains("$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);
+ // Tokenise
+ if (format.contains("*")) {
+ format = format.substring(0, format.indexOf('*'));
+ sentence = sentence.substring(0, sentence.indexOf('*'));
+ }
+ String[] values = sentence.split(",");
+
+ // Parse data
+ Position position = new Position();
+ ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("globalsat");
+
+ for (int formatIndex = 0, valueIndex = 1; formatIndex < format.length() && valueIndex < values.length; formatIndex++) {
+ String value = values[valueIndex];
+
+ switch(format.charAt(formatIndex)) {
+ case 'S':
+ try {
+ position.setDeviceId(getDataManager().getDeviceByImei(value).getId());
+ } catch(Exception error) {
+ Log.warning("Unknown device - " + value);
+ return null;
+ }
+ break;
+ case 'A':
+ if (value.isEmpty()) {
+ position.setValid(false);
+ } else {
+ position.setValid(Integer.valueOf(value) != 1);
+ }
+ break;
+ case 'B':
+ Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+ time.clear();
+ time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(value.substring(0, 2)));
+ time.set(Calendar.MONTH, Integer.valueOf(value.substring(2, 4)) - 1);
+ time.set(Calendar.YEAR, 2000 + Integer.valueOf(value.substring(4)));
+ value = values[++valueIndex];
+ time.set(Calendar.HOUR, Integer.valueOf(value.substring(0, 2)));
+ time.set(Calendar.MINUTE, Integer.valueOf(value.substring(2, 4)));
+ time.set(Calendar.SECOND, Integer.valueOf(value.substring(4)));
+ position.setTime(time.getTime());
+ break;
+ case 'C':
+ valueIndex += 1;
+ break;
+ case '1':
+ double longitude = Double.valueOf(value.substring(1));
+ if (value.charAt(0) == 'E') longitude = -longitude;
+ position.setLongitude(longitude);
+ break;
+ case '2':
+ longitude = Double.valueOf(value.substring(4)) / 60;
+ longitude += Integer.valueOf(value.substring(1, 4));
+ if (value.charAt(0) == 'E') longitude = -longitude;
+ position.setLongitude(longitude);
+ break;
+ case '3':
+ position.setLongitude(Double.valueOf(value) * 0.000001);
+ break;
+ case '6':
+ double latitude = Double.valueOf(value.substring(1));
+ if (value.charAt(0) == 'S') latitude = -latitude;
+ position.setLatitude(latitude);
+ break;
+ case '7':
+ latitude = Double.valueOf(value.substring(3)) / 60;
+ latitude += Integer.valueOf(value.substring(1, 3));
+ if (value.charAt(0) == 'S') latitude = -latitude;
+ position.setLatitude(latitude);
+ break;
+ case '8':
+ position.setLatitude(Double.valueOf(value) * 0.000001);
+ break;
+ case 'G':
+ position.setAltitude(Double.valueOf(value));
+ break;
+ case 'H':
+ position.setSpeed(Double.valueOf(value));
+ break;
+ case 'I':
+ position.setSpeed(Double.valueOf(value) * 0.539957);
+ break;
+ case 'J':
+ position.setSpeed(Double.valueOf(value) * 0.868976);
+ break;
+ case 'K':
+ position.setCourse(Double.valueOf(value));
+ break;
+ default:
+ // Unsupported
+ break;
}
- // 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;
- }*/
+ valueIndex += 1;
+ }
- return null;
+ position.setExtendedInfo(extendedInfo.toString());
+ return position;
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 09:27:30 +0000