diff options
Diffstat (limited to 'src/org/traccar/protocol')
| -rw-r--r-- | src/org/traccar/protocol/OrionFrameDecoder.java | 50 | ||||
| -rw-r--r-- | src/org/traccar/protocol/OrionProtocolDecoder.java | 227 |
2 files changed, 100 insertions, 177 deletions
diff --git a/src/org/traccar/protocol/OrionFrameDecoder.java b/src/org/traccar/protocol/OrionFrameDecoder.java index 92236225b..cc3efa6a5 100644 --- a/src/org/traccar/protocol/OrionFrameDecoder.java +++ b/src/org/traccar/protocol/OrionFrameDecoder.java @@ -21,6 +21,9 @@ import org.jboss.netty.channel.ChannelHandlerContext; import org.jboss.netty.handler.codec.frame.FrameDecoder; public class OrionFrameDecoder extends FrameDecoder { + + private static final int TYPE_USERLOG = 0; + private static final int TYPE_SYSLOG = 3; @Override protected Object decode( @@ -28,22 +31,41 @@ public class OrionFrameDecoder extends FrameDecoder { Channel channel, ChannelBuffer buf) throws Exception { - // Check minimum length - if (buf.readableBytes() < 5) { - return null; - } - - int length = 2 + 2; // head and tail - - if (buf.getByte(buf.readerIndex()) == 0x78) { - length += 1 + buf.getByte(buf.readerIndex() + 2); - } else { - length += 2 + buf.getShort(buf.readerIndex() + 2); - } + int length = 6; - // Check length and return buffer if (buf.readableBytes() >= length) { - return buf.readBytes(length); + + int type = buf.getUnsignedByte(buf.readerIndex() + 2) & 0x0f; + + if (type == TYPE_USERLOG) { + if (buf.readableBytes() >= length + 5) { + + int index = buf.readerIndex() + 3; + int count = buf.getUnsignedByte(index) & 0x0f; + index += 5; + length += 5; + + for (int i = 0; i < count; i++) { + if (buf.readableBytes() < length) { + return null; + } + int logLength = buf.getUnsignedByte(index + 1); + index += logLength; + length += logLength; + } + + if (buf.readableBytes() >= length) { + return buf.readBytes(length); + } + } + } else if (type == TYPE_SYSLOG) { + if (buf.readableBytes() >= length + 12) { + length += buf.getUnsignedShort(buf.readerIndex() + 8); + if (buf.readableBytes() >= length) { + return buf.readBytes(length); + } + } + } } return null; diff --git a/src/org/traccar/protocol/OrionProtocolDecoder.java b/src/org/traccar/protocol/OrionProtocolDecoder.java index f321380eb..fa04c6dca 100644 --- a/src/org/traccar/protocol/OrionProtocolDecoder.java +++ b/src/org/traccar/protocol/OrionProtocolDecoder.java @@ -16,6 +16,8 @@ package org.traccar.protocol; import java.util.Calendar; +import java.util.LinkedList; +import java.util.List; import java.util.TimeZone; import org.jboss.netty.buffer.ChannelBuffer; import org.jboss.netty.buffer.ChannelBuffers; @@ -30,193 +32,92 @@ import org.traccar.model.Position; public class OrionProtocolDecoder extends BaseProtocolDecoder { - private Long deviceId; - private final TimeZone timeZone = TimeZone.getTimeZone("UTC"); - public OrionProtocolDecoder(ServerManager serverManager) { super(serverManager); } + + private static final int TYPE_USERLOG = 0; + private static final int TYPE_SYSLOG = 3; - private String readImei(ChannelBuffer buf) { - int b = buf.readUnsignedByte(); - StringBuilder imei = new StringBuilder(); - imei.append(b & 0x0F); - for (int i = 0; i < 7; i++) { - b = buf.readUnsignedByte(); - imei.append((b & 0xF0) >> 4); - imei.append(b & 0x0F); - } - return imei.toString(); - } - - private static final int MSG_LOGIN = 0x01; - private static final int MSG_GPS = 0x10; - private static final int MSG_LBS = 0x11; - private static final int MSG_GPS_LBS = 0x12; - private static final int MSG_STATUS = 0x13; - private static final int MSG_SATELLITE = 0x14; - private static final int MSG_STRING = 0x15; - private static final int MSG_GPS_LBS_STATUS = 0x16; - private static final int MSG_LBS_PHONE = 0x17; - private static final int MSG_LBS_EXTEND = 0x18; - private static final int MSG_LBS_STATUS = 0x19; - private static final int MSG_GPS_PHONE = 0x1A; - private static final int MSG_GPS_LBS_EXTEND = 0x1E; - - private static void sendResponse(Channel channel, int type, int index) { + private static void sendResponse(Channel channel, ChannelBuffer buf) { if (channel != null) { - ChannelBuffer response = ChannelBuffers.directBuffer(10); - response.writeByte(0x78); response.writeByte(0x78); // header - response.writeByte(0x05); // size - response.writeByte(type); - response.writeShort(index); - response.writeShort(Crc.crc16Ccitt(response.toByteBuffer(2, 4))); - response.writeByte(0x0D); response.writeByte(0x0A); // ending + ChannelBuffer response = ChannelBuffers.directBuffer(4); + response.writeByte('*'); + response.writeShort(buf.getUnsignedShort(buf.writerIndex() - 2)); + response.writeByte(buf.getUnsignedByte(buf.writerIndex() - 3)); channel.write(response); } } - + @Override protected Object decode( ChannelHandlerContext ctx, Channel channel, Object msg) throws Exception { ChannelBuffer buf = (ChannelBuffer) msg; - - // Check header - if (buf.readByte() != 0x78 || buf.readByte() != 0x78) { - return null; - } - int length = buf.readByte(); // size - int dataLength = length - 5; - - int type = buf.readUnsignedByte(); + buf.skipBytes(2); // header + int type = buf.readUnsignedByte() & 0x0f; - if (type == MSG_LOGIN) { - - String imei = readImei(buf); - buf.readUnsignedShort(); // type - - // Timezone offset - if (dataLength > 10) { - int extensionBits = buf.readUnsignedShort(); - int offset = (extensionBits >> 4) * 36000; - if ((extensionBits & 0x8) != 0) { - offset = -offset; - } - timeZone.setRawOffset(offset); + if (type == TYPE_USERLOG) { + + int header = buf.readUnsignedByte(); + + if ((header & 0x40) != 0) { + sendResponse(channel, buf); } + String id = String.valueOf(buf.readUnsignedInt()); + long deviceId; try { - deviceId = getDataManager().getDeviceByImei(imei).getId(); - buf.skipBytes(dataLength - 8); - sendResponse(channel, type, buf.readUnsignedShort()); + deviceId = getDataManager().getDeviceByImei(id).getId(); } catch(Exception error) { - Log.warning("Unknown device - " + imei); + Log.warning("Unknown device - " + id); + return null; } - } - - else if (deviceId != null && ( - type == MSG_GPS || - type == MSG_GPS_LBS || - type == MSG_GPS_LBS_STATUS || - type == MSG_GPS_PHONE || - type == MSG_GPS_LBS_EXTEND)) { - - // Create new position - Position position = new Position(); - position.setDeviceId(deviceId); - ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("gt06"); - - // Date and time - Calendar time = Calendar.getInstance(timeZone); - time.clear(); - time.set(Calendar.YEAR, 2000 + buf.readUnsignedByte()); - time.set(Calendar.MONTH, buf.readUnsignedByte() - 1); - time.set(Calendar.DAY_OF_MONTH, buf.readUnsignedByte()); - time.set(Calendar.HOUR_OF_DAY, buf.readUnsignedByte()); - time.set(Calendar.MINUTE, buf.readUnsignedByte()); - time.set(Calendar.SECOND, buf.readUnsignedByte()); - position.setTime(time.getTime()); - - // GPS length and Satellites count - int gpsLength = buf.readUnsignedByte(); - extendedInfo.set("satellites", gpsLength & 0xf); - gpsLength >>= 4; - - // Latitude - double latitude = buf.readUnsignedInt() / (60.0 * 30000.0); - - // Longitude - double longitude = buf.readUnsignedInt() / (60.0 * 30000.0); - - // Speed - position.setSpeed(buf.readUnsignedByte() * 0.539957); - - // Course and flags - int union = buf.readUnsignedShort(); - position.setCourse((double) (union & 0x03FF)); - position.setValid((union & 0x1000) != 0); - if ((union & 0x0400) == 0) latitude = -latitude; - if ((union & 0x0800) != 0) longitude = -longitude; - - position.setLatitude(latitude); - position.setLongitude(longitude); - position.setAltitude(0.0); + List<Position> positions = new LinkedList<Position>(); - if ((union & 0x4000) != 0) { - extendedInfo.set("acc", (union & 0x8000) != 0); - } - - buf.skipBytes(gpsLength - 12); // skip reserved - - if (type == MSG_GPS_LBS || type == MSG_GPS_LBS_STATUS) { - - int lbsLength = 0; - if (type == MSG_GPS_LBS_STATUS) { - lbsLength = buf.readUnsignedByte(); - } - - // Cell information - extendedInfo.set("mcc", buf.readUnsignedShort()); - extendedInfo.set("mnc", buf.readUnsignedByte()); - extendedInfo.set("lac", buf.readUnsignedShort()); - extendedInfo.set("cell", buf.readUnsignedShort() << 8 + buf.readUnsignedByte()); - buf.skipBytes(lbsLength - 9); - - // Status - if (type == MSG_GPS_LBS_STATUS) { - extendedInfo.set("alarm", true); - - int flags = buf.readUnsignedByte(); - extendedInfo.set("acc", (flags & 0x2) != 0); - // TODO parse other flags - - // Voltage - extendedInfo.set("power", buf.readUnsignedByte()); - - // GSM signal - extendedInfo.set("gsm", buf.readUnsignedByte()); - } - } - - // Index - if (buf.readableBytes() > 6) { - buf.skipBytes(buf.readableBytes() - 6); + for (int i = 0; i < (header & 0x0f); i++) { + + // Create new position + Position position = new Position(); + position.setDeviceId(deviceId); + ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("orion"); + + extendedInfo.set("event", buf.readUnsignedByte()); + buf.readUnsignedByte(); // length + extendedInfo.set("flag1", buf.readUnsignedByte()); + extendedInfo.set("flag2", buf.readUnsignedByte()); + + // Location + position.setLatitude(buf.readInt() / 10000.0); + position.setLongitude(buf.readInt() / 10000.0); + position.setAltitude(buf.readShort()/ 10.0); + position.setCourse((double) buf.readUnsignedShort()); + position.setSpeed(buf.readUnsignedShort() * 0.0539957); + + // Date and time + Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC")); + time.clear(); + time.set(Calendar.YEAR, 2000 + buf.readUnsignedByte()); + time.set(Calendar.MONTH, buf.readUnsignedByte() - 1); + time.set(Calendar.DAY_OF_MONTH, buf.readUnsignedByte()); + time.set(Calendar.HOUR_OF_DAY, buf.readUnsignedByte()); + time.set(Calendar.MINUTE, buf.readUnsignedByte()); + time.set(Calendar.SECOND, buf.readUnsignedByte()); + position.setTime(time.getTime()); + + // Accuracy + int satellites = buf.readUnsignedByte(); + extendedInfo.set("satellites", satellites); + position.setValid(satellites >= 3); + + position.setExtendedInfo(extendedInfo.toString()); + positions.add(position); } - int index = buf.readUnsignedShort(); - extendedInfo.set("index", index); - sendResponse(channel, type, index); - - position.setExtendedInfo(extendedInfo.toString()); - return position; - } - - else { - buf.skipBytes(dataLength); - sendResponse(channel, type, buf.readUnsignedShort()); + + return positions; } return null; |