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-rw-r--r--src/org/traccar/protocol/TramigoProtocolDecoder.java107
1 files changed, 107 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/TramigoProtocolDecoder.java b/src/org/traccar/protocol/TramigoProtocolDecoder.java
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+++ b/src/org/traccar/protocol/TramigoProtocolDecoder.java
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+/*
+ * 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.traccar.BaseProtocolDecoder;
+import org.traccar.database.DataManager;
+import org.traccar.helper.Log;
+import org.traccar.model.ExtendedInfoFormatter;
+import org.traccar.model.Position;
+
+import java.util.Date;
+import java.util.Properties;
+
+public class TramigoProtocolDecoder extends BaseProtocolDecoder {
+
+ public TramigoProtocolDecoder(DataManager dataManager, String protocol, Properties properties) {
+ super(dataManager, protocol, properties);
+ }
+
+ private static final int MSG_COMPACT = 0x0100;
+ private static final int MSG_FULL = 0x00FE;
+
+ @Override
+ protected Object decode(
+ ChannelHandlerContext ctx, Channel channel, Object msg)
+ throws Exception {
+
+ ChannelBuffer buf = (ChannelBuffer) msg;
+
+ if (buf.readUnsignedByte() != 1) {
+ return null; // wrong protocol version
+ }
+
+ buf.readUnsignedByte(); // version id
+ int index = buf.readUnsignedShort();
+ int type = buf.readUnsignedShort();
+ buf.readUnsignedShort(); // length
+ buf.readUnsignedShort(); // mask
+ buf.readUnsignedShort(); // checksum
+ long id = buf.readUnsignedInt();
+ buf.readUnsignedInt(); // time
+
+ if (type == MSG_COMPACT || type == MSG_FULL) {
+
+ // Create new position
+ Position position = new Position();
+ ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter(getProtocol());
+ extendedInfo.set("index", index);
+
+ // Get device id
+ try {
+ position.setDeviceId(getDataManager().getDeviceByImei(String.valueOf(id)).getId());
+ } catch(Exception error) {
+ Log.warning("Unknown device - " + id);
+ return null;
+ }
+
+ buf.readUnsignedShort(); // report trigger
+ buf.readUnsignedShort(); // state flag
+
+ position.setValid(true);
+ position.setLatitude(buf.readUnsignedInt() * 0.0000001);
+ position.setLongitude(buf.readUnsignedInt() * 0.0000001);
+ position.setAltitude(0.0);
+
+ buf.readUnsignedShort(); // GSM signal quality
+ buf.readUnsignedShort(); // satellites in fix
+ buf.readUnsignedShort(); // satellites in track
+ buf.readUnsignedShort(); // GPS antenna state
+
+ position.setSpeed(buf.readUnsignedShort() * 0.194384);
+ position.setCourse((double )buf.readUnsignedShort());
+
+ buf.readUnsignedInt(); // distance
+
+ extendedInfo.set("battery", buf.readUnsignedShort());
+
+ buf.readUnsignedShort(); // battery charger status
+
+ position.setTime(new Date(buf.readUnsignedInt() * 1000));
+
+ // TODO: parse other data
+
+ position.setExtendedInfo(extendedInfo.toString());
+ return position;
+ }
+
+ return null;
+ }
+
+}