diff options
Diffstat (limited to 'src/org')
| -rw-r--r-- | src/org/traccar/protocol/MeitrackProtocolDecoder.java | 102 |
1 files changed, 98 insertions, 4 deletions
diff --git a/src/org/traccar/protocol/MeitrackProtocolDecoder.java b/src/org/traccar/protocol/MeitrackProtocolDecoder.java index 9f6e25d89..5b67aebe3 100644 --- a/src/org/traccar/protocol/MeitrackProtocolDecoder.java +++ b/src/org/traccar/protocol/MeitrackProtocolDecoder.java @@ -112,7 +112,7 @@ public class MeitrackProtocolDecoder extends BaseProtocolDecoder { } } - private Position decodeRegularMessage(Channel channel, SocketAddress remoteAddress, ChannelBuffer buf) { + private Position decodeRegular(Channel channel, SocketAddress remoteAddress, ChannelBuffer buf) { Parser parser = new Parser(PATTERN, buf.toString(StandardCharsets.US_ASCII)); if (!parser.matches()) { @@ -237,7 +237,7 @@ public class MeitrackProtocolDecoder extends BaseProtocolDecoder { return position; } - private List<Position> decodeBinaryMessage(Channel channel, SocketAddress remoteAddress, ChannelBuffer buf) { + private List<Position> decodeBinaryC(Channel channel, SocketAddress remoteAddress, ChannelBuffer buf) { List<Position> positions = new LinkedList<>(); String flag = buf.toString(2, 1, StandardCharsets.US_ASCII); @@ -311,6 +311,98 @@ public class MeitrackProtocolDecoder extends BaseProtocolDecoder { return positions; } + private List<Position> decodeBinaryE(Channel channel, SocketAddress remoteAddress, ChannelBuffer buf) { + List<Position> positions = new LinkedList<>(); + + buf.readerIndex(buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) ',') + 1); + String imei = buf.readBytes(15).toString(StandardCharsets.US_ASCII); + buf.skipBytes(1 + 3 + 1); + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei); + if (deviceSession == null) { + return null; + } + + buf.readUnsignedInt(); // remaining cache + int count = buf.readUnsignedShort(); + + for (int i = 0; i < count; i++) { + Position position = new Position(); + position.setProtocol(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + buf.readUnsignedShort(); // length + buf.readUnsignedShort(); // index + + int paramCount = buf.readUnsignedByte(); + for (int j = 0; j < paramCount; j++) { + int id = buf.readUnsignedByte(); + switch (id) { + case 0x01: + position.set(Position.KEY_EVENT, buf.readUnsignedByte()); + break; + case 0x05: + position.setValid(buf.readUnsignedByte() > 0); + break; + case 0x06: + position.set(Position.KEY_SATELLITES, buf.readUnsignedByte()); + break; + default: + buf.readUnsignedByte(); + break; + } + } + + paramCount = buf.readUnsignedByte(); + for (int j = 0; j < paramCount; j++) { + int id = buf.readUnsignedByte(); + switch (id) { + case 0x08: + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort())); + break; + case 0x09: + position.setCourse(buf.readUnsignedShort() * 0.1); + break; + case 0x0B: + position.setAltitude(buf.readShort()); + break; + default: + buf.readUnsignedShort(); + break; + } + } + + paramCount = buf.readUnsignedByte(); + for (int j = 0; j < paramCount; j++) { + int id = buf.readUnsignedByte(); + switch (id) { + case 0x02: + position.setLatitude(buf.readInt() * 0.000001); + break; + case 0x03: + position.setLongitude(buf.readInt() * 0.000001); + break; + case 0x04: + position.setTime(new Date((946684800 + buf.readUnsignedInt()) * 1000)); // 2000-01-01 + break; + default: + buf.readUnsignedInt(); + break; + } + } + + paramCount = buf.readUnsignedByte(); + for (int j = 0; j < paramCount; j++) { + buf.readUnsignedByte(); // id + buf.skipBytes(buf.readUnsignedByte()); // value + } + + positions.add(position); + } + + return positions; + } + private void requestPhotoPacket(Channel channel, String imei, int index) { if (channel != null) { String content = "D00,camera_picture.jpg," + index; @@ -366,9 +458,11 @@ public class MeitrackProtocolDecoder extends BaseProtocolDecoder { requestPhotoPacket(channel, imei, 0); return null; case "CCC": - return decodeBinaryMessage(channel, remoteAddress, buf); + return decodeBinaryC(channel, remoteAddress, buf); + case "CCE": + return decodeBinaryE(channel, remoteAddress, buf); default: - return decodeRegularMessage(channel, remoteAddress, buf); + return decodeRegular(channel, remoteAddress, buf); } } |