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Diffstat (limited to 'src/org/traccar/protocol/CityeasyProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/CityeasyProtocolDecoder.java115
1 files changed, 115 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/CityeasyProtocolDecoder.java b/src/org/traccar/protocol/CityeasyProtocolDecoder.java
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+++ b/src/org/traccar/protocol/CityeasyProtocolDecoder.java
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+/*
+ * Copyright 2015 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.buffer.ChannelBuffers;
+import org.jboss.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.Calendar;
+import java.util.TimeZone;
+
+public class CityeasyProtocolDecoder extends BaseProtocolDecoder {
+
+ public CityeasyProtocolDecoder(CityeasyProtocol protocol) {
+ super(protocol);
+ }
+
+ private static final int MSG_LOCATION_REPORT = 0x0003;
+ private static final int MSG_LOCATION_INQUIRY_RESPONSE = 0x0004;
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg)
+ throws Exception {
+
+ ChannelBuffer buf = (ChannelBuffer) msg;
+
+ /*buf.skipBytes(2); // header
+ buf.readByte(); // size
+
+ // Zero for location messages
+ buf.readByte(); // voltage
+ buf.readByte(); // gsm signal
+
+ String imei = readImei(buf);
+ long index = buf.readUnsignedShort();
+ int type = buf.readUnsignedByte();
+
+ if (type == MSG_HEARTBEAT) {
+ if (channel != null) {
+ byte[] response = {0x54, 0x68, 0x1A, 0x0D, 0x0A};
+ channel.write(ChannelBuffers.wrappedBuffer(response));
+ }
+ }
+
+ else if (type == MSG_DATA) {
+
+ // Create new position
+ Position position = new Position();
+ position.setProtocol(getProtocolName());
+ position.set(Event.KEY_INDEX, index);
+
+ // Get device id
+ if (!identify(imei, channel)) {
+ return null;
+ }
+ position.setDeviceId(getDeviceId());
+
+ // 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());
+
+ // Latitude
+ double latitude = buf.readUnsignedInt() / (60.0 * 30000.0);
+
+ // Longitude
+ double longitude = buf.readUnsignedInt() / (60.0 * 30000.0);
+
+ // Speed
+ position.setSpeed(buf.readUnsignedByte());
+
+ // Course
+ position.setCourse(buf.readUnsignedShort());
+
+ buf.skipBytes(3); // reserved
+
+ // Flags
+ long flags = buf.readUnsignedInt();
+ position.setValid((flags & 0x1) == 0x1);
+ if ((flags & 0x2) == 0) latitude = -latitude;
+ if ((flags & 0x4) == 0) longitude = -longitude;
+
+ position.setLatitude(latitude);
+ position.setLongitude(longitude);
+ return position;
+ }*/
+
+ return null;
+ }
+
+}