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authorAnton Tananaev <anton.tananaev@gmail.com>2017-06-26 22:47:39 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2017-06-26 22:47:54 +1200
commitfe6d161c1701527e874c8a6f675ddebd42b8bcf9 (patch)
tree094d9c26eeec7006dcdd0266a7350d4f4a716913 /src/org/traccar/protocol/Gt06ProtocolDecoder.java
parenta20c9a0f7ae92f537ef6d01f50310eb50deca6f3 (diff)
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Add support for X1 GT06 photos
Diffstat (limited to 'src/org/traccar/protocol/Gt06ProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/Gt06ProtocolDecoder.java87
1 files changed, 68 insertions, 19 deletions
diff --git a/src/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
index 64365aee0..4d8161af9 100644
--- a/src/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -28,11 +28,14 @@ import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
import org.traccar.helper.UnitsConverter;
import org.traccar.model.CellTower;
+import org.traccar.model.Device;
import org.traccar.model.Network;
import org.traccar.model.Position;
import java.net.SocketAddress;
import java.nio.charset.StandardCharsets;
+import java.util.HashMap;
+import java.util.Map;
import java.util.TimeZone;
import java.util.regex.Pattern;
@@ -41,6 +44,8 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
private boolean forceTimeZone = false;
private final TimeZone timeZone = TimeZone.getTimeZone("UTC");
+ private final Map<Integer, ChannelBuffer> photos = new HashMap<>();
+
public Gt06ProtocolDecoder(Gt06Protocol protocol) {
super(protocol);
@@ -95,15 +100,34 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
|| type == MSG_GPS_LBS_STATUS_1 || type == MSG_GPS_LBS_STATUS_2 || type == MSG_GPS_LBS_STATUS_3;
}
- private static void sendResponse(Channel channel, int type, int index) {
+ private void sendResponse(Channel channel, int type, int index) {
if (channel != null) {
ChannelBuffer response = ChannelBuffers.dynamicBuffer();
- response.writeByte(0x78); response.writeByte(0x78); // header
+ response.writeShort(0x7878); // header
response.writeByte(5); // size
response.writeByte(type);
response.writeShort(index);
- response.writeShort(Checksum.crc16(Checksum.CRC16_X25, response.toByteBuffer(2, 4)));
- response.writeByte(0x0D); response.writeByte(0x0A); // ending
+ response.writeShort(Checksum.crc16(Checksum.CRC16_X25,
+ response.toByteBuffer(2, response.writerIndex() - 2)));
+ response.writeByte('\r'); response.writeByte('\n'); // ending
+ channel.write(response);
+ }
+ }
+
+ private void sendPhotoRequest(Channel channel, int pictureId) {
+ if (channel != null) {
+ ChannelBuffer photo = photos.get(pictureId);
+ ChannelBuffer response = ChannelBuffers.dynamicBuffer();
+ response.writeShort(0x7878); // header
+ response.writeByte(15); // size
+ response.writeByte(MSG_X1_PHOTO_DATA);
+ response.writeInt(pictureId);
+ response.writeInt(photo.writerIndex());
+ response.writeShort(Math.min(photo.writableBytes(), 1024));
+ response.writeShort(1);
+ response.writeShort(Checksum.crc16(Checksum.CRC16_X25,
+ response.toByteBuffer(2, response.writerIndex() - 2)));
+ response.writeByte('\r'); response.writeByte('\n'); // ending
channel.write(response);
}
}
@@ -277,6 +301,14 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
int dataLength = length - 5;
int type = buf.readUnsignedByte();
+ DeviceSession deviceSession = null;
+ if (type != MSG_LOGIN) {
+ deviceSession = getDeviceSession(channel, remoteAddress);
+ if (deviceSession == null) {
+ return null;
+ }
+ }
+
if (type == MSG_LOGIN) {
String imei = ChannelBuffers.hexDump(buf.readBytes(8)).substring(1);
@@ -303,11 +335,6 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
} else if (type == MSG_X1_GPS) {
- DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
- if (deviceSession == null) {
- return null;
- }
-
Position position = new Position();
position.setDeviceId(deviceSession.getDeviceId());
position.setProtocol(getProtocolName());
@@ -324,19 +351,24 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
buf.readUnsignedShort(), buf.readUnsignedByte(),
buf.readUnsignedShort(), buf.readUnsignedInt())));
- if (buf.readableBytes() > 6) {
- buf.skipBytes(buf.readableBytes() - 6);
- }
- sendResponse(channel, type, buf.readUnsignedShort());
-
return position;
- } else {
+ } else if (type == MSG_X1_PHOTO_INFO) {
- DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
- if (deviceSession == null) {
- return null;
- }
+ buf.skipBytes(6); // time
+ buf.readUnsignedByte(); // fix status
+ buf.readUnsignedInt(); // latitude
+ buf.readUnsignedInt(); // longitude
+ buf.readUnsignedByte(); // camera id
+ buf.readUnsignedByte(); // photo source
+ buf.readUnsignedByte(); // picture format
+
+ ChannelBuffer photo = ChannelBuffers.buffer(buf.readInt());
+ int pictureId = buf.readInt();
+ photos.put(pictureId, photo);
+ sendPhotoRequest(channel, pictureId);
+
+ } else {
Position position = new Position();
position.setDeviceId(deviceSession.getDeviceId());
@@ -466,6 +498,23 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
}
+ } else if (type == MSG_X1_PHOTO_DATA) {
+
+ int pictureId = buf.readInt();
+
+ ChannelBuffer photo = photos.get(pictureId);
+
+ buf.readUnsignedInt(); // offset
+ buf.readBytes(photo, buf.readUnsignedShort());
+
+ if (buf.writableBytes() > 0) {
+ sendPhotoRequest(channel, pictureId);
+ } else {
+ Device device = Context.getDeviceManager().getDeviceById(deviceSession.getDeviceId());
+ Context.getMediaManager().writeFile(device.getUniqueId(), photo, "jpg");
+ photos.remove(pictureId);
+ }
+
}
return null;