aboutsummaryrefslogtreecommitdiff
path: root/src/org/traccar/protocol
diff options
context:
space:
mode:
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r--src/org/traccar/protocol/OrionFrameDecoder.java52
-rw-r--r--src/org/traccar/protocol/OrionProtocolDecoder.java225
2 files changed, 277 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/OrionFrameDecoder.java b/src/org/traccar/protocol/OrionFrameDecoder.java
new file mode 100644
index 000000000..92236225b
--- /dev/null
+++ b/src/org/traccar/protocol/OrionFrameDecoder.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2014 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.protocol;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.jboss.netty.handler.codec.frame.FrameDecoder;
+
+public class OrionFrameDecoder extends FrameDecoder {
+
+ @Override
+ protected Object decode(
+ ChannelHandlerContext ctx,
+ 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);
+ }
+
+ // Check length and return buffer
+ 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
new file mode 100644
index 000000000..f321380eb
--- /dev/null
+++ b/src/org/traccar/protocol/OrionProtocolDecoder.java
@@ -0,0 +1,225 @@
+/*
+ * Copyright 2014 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.protocol;
+
+import java.util.Calendar;
+import java.util.TimeZone;
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.ServerManager;
+import org.traccar.helper.Crc;
+import org.traccar.helper.Log;
+import org.traccar.model.ExtendedInfoFormatter;
+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 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) {
+ 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
+ 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();
+
+ 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);
+ }
+
+ try {
+ deviceId = getDataManager().getDeviceByImei(imei).getId();
+ buf.skipBytes(dataLength - 8);
+ sendResponse(channel, type, buf.readUnsignedShort());
+ } catch(Exception error) {
+ Log.warning("Unknown device - " + imei);
+ }
+
+ }
+
+ 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);
+
+ 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);
+ }
+ 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 null;
+ }
+
+}