Svias Protocol Encode e Decoder

1 files changed, 205 insertions, 0 deletions

diff --git a/src/org/traccar/protocol/SviasProtocolDecoder.java b/src/org/traccar/protocol/SviasProtocolDecoder.java
new file mode 100644
index 000000000..4ec758eb0
--- /dev/null
+++ b/src/org/traccar/protocol/SviasProtocolDecoder.java
@@ -0,0 +1,205 @@
+/*

+ * Copyright 2013 - 2017 Anton Tananaev (anton@traccar.org)

+ *

+ * 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.channel.Channel;

+import org.traccar.BaseProtocolDecoder;

+import org.traccar.DeviceSession;

+import org.traccar.model.Position;

+import java.text.ParseException;

+

+import java.net.SocketAddress;

+import java.text.DateFormat;

+import java.text.SimpleDateFormat;

+import java.util.TimeZone;

+import org.traccar.helper.Log;

+import org.traccar.helper.UnitsConverter;

+

+public class SviasProtocolDecoder extends BaseProtocolDecoder {

+

+    public SviasProtocolDecoder(SviasProtocol protocol) {

+        super(protocol);

+    }

+

+    private void sendResponse(Channel channel, String prefix) {

+        if (channel != null) {

+            channel.write(prefix);

+        }

+    }

+

+    private String zeros(String texto, Integer valor) {

+        String aux = "";

+        for (int i = 0; i < valor; i++) {

+            aux += '0';

+        }

+        return aux + texto;

+    }

+

+    public String decimalToBinary(int valor) {

+

+        String bin = Integer.toString(valor, 2);

+        return bin;

+    }

+

+    private double convert2decimal(long v) {

+        float a = (float) v / 1.0E7F;

+        int b = (int) (v / 10000000L);

+        float c = a - b;

+        float d = (float) (c * 1.6666666666666667D);

+        int e = (int) (v / 10000000L);

+        float f = d + e;

+

+        return Double.valueOf(f);

+

+    }

+

+    private Position decodePosition(Channel channel, SocketAddress remoteAddress, String substring)

+            throws ParseException {

+        int index = 0;

+

+        String[] values = substring.split(",");

+

+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, values[3]);

+        if (deviceSession == null) {

+            return null;

+        }

+

+        Position position = new Position();

+        position.setProtocol(getProtocolName());

+        position.setDeviceId(deviceSession.getDeviceId());

+

+        position.set(Position.KEY_VERSION_HW, values[index++].replace("[", ""));

+

+        String swOrAlt = values[index++];

+        position.set(Position.KEY_VERSION_HW, swOrAlt);

+        position.setAltitude(Double.parseDouble(swOrAlt));

+

+        position.set(Position.KEY_INDEX, Integer.valueOf(values[index++]));

+

+        String imei = values[index++];

+        position.set(Position.KEY_TYPE, values[index++]);

+

+        DateFormat dateFormat = new SimpleDateFormat("ddMMyyHHmmss");

+        dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));

+

+        String date = values[index++];

+        String time = values[index++];

+

+        position.setTime(dateFormat.parse(zeros(date, 6 - date.trim().length())

+                        + zeros(time, 6 - time.trim().length())));

+

+        position.setLatitude(convert2decimal(Long.valueOf(values[index++])));

+        position.setLongitude(convert2decimal(Long.valueOf(values[index++])));

+

+        position.setSpeed(UnitsConverter.knotsFromKph(Integer.valueOf(values[index++]) / 100));

+        position.setCourse(Integer.valueOf(values[index++]) / 100);

+

+        position.set(Position.KEY_ODOMETER, Integer.valueOf(values[index++]));

+

+        String input = decimalToBinary(Integer.valueOf(values[index++]));

+        String output = decimalToBinary(Integer.valueOf(values[index++]));

+

+        /** inputs */

+        String in = new StringBuilder(zeros(input, 8 - input.length())).reverse().toString();

+

+        /** outputs */

+        String out = new StringBuilder(zeros(output, 8 - output.length())).reverse().toString();

+

+        if (in.substring(0, 1).equals("1")) {

+            position.set(Position.KEY_ALARM, Position.ALARM_SOS);

+        }

+

+        position.set(Position.PREFIX_IN + 1, in.substring(1, 2).equals("1"));

+        position.set(Position.PREFIX_IN + 2, in.substring(2, 3).equals("1"));

+        position.set(Position.PREFIX_IN + 3, in.substring(3, 4).equals("1"));

+        position.set(Position.KEY_IGNITION, in.substring(4, 5).equals("1"));

+

+        if (in.substring(7, 8).equals("1")) {

+            position.set(Position.KEY_ALARM, Position.ALARM_POWER_CUT);

+        }

+

+        position.setValid(out.substring(0, 1).equals("1"));

+

+        if (out.substring(1, 2).equals("1")) {

+            position.set(Position.KEY_ALARM, Position.ALARM_JAMMING);

+        }

+

+        position.set(Position.PREFIX_OUT + 1, out.substring(2, 3).equals("1"));

+        position.set(Position.PREFIX_OUT + 2, out.substring(3, 4).equals("1"));

+        position.set(Position.PREFIX_OUT + 3, out.substring(4, 5).equals("1"));

+

+        position.set(Position.KEY_POWER, Integer.valueOf(values[index++]) / 100);

+

+        position.set(Position.KEY_BATTERY_LEVEL, Double.parseDouble(values[index++]));

+

+        position.set(Position.KEY_RSSI, Integer.valueOf(values[index++]));

+

+        if (values.length == 22) {

+            String driverUniqueId = values[index++];

+            if (!driverUniqueId.isEmpty()) {

+                position.set(Position.KEY_DRIVER_UNIQUE_ID, driverUniqueId);

+            }

+        }

+

+        String status = decimalToBinary(Integer.parseInt(values[index++]));

+        String st = new StringBuilder(zeros(status, 8 - status.length())).reverse().toString();

+

+        position.set(Position.ALARM_CORNERING, st.substring(0, 1).equals("1"));

+        position.set(Position.ALARM_GEOFENCE_ENTER, st.substring(1, 2).equals("1"));

+        position.set(Position.ALARM_FALL_DOWN, st.substring(3, 4).equals("1"));

+        position.set(Position.ALARM_OVERSPEED, st.substring(4, 5).equals("1"));

+        position.set("connectedPrimaryServer", st.substring(5, 6).equals("1"));

+        position.set("connectedSecundaryServer", st.substring(6, 7).equals("1"));

+

+        return position;

+    }

+

+    @Override

+    protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg)

+            throws Exception {

+

+        String sentence = (String) msg;

+

+        if (sentence.contains(":")) {

+

+            Log.info(sentence);

+

+            String[] values = sentence.substring(1).split(":");

+

+            String imei = values[1];

+

+            DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);

+

+            if (deviceSession != null) {

+                sendResponse(channel, "@");

+            }

+

+        } else {

+

+            Position position = decodePosition(channel, remoteAddress,

+                                               sentence.substring(sentence.indexOf('[', 1) + 1));

+

+            if (position != null) {

+                sendResponse(channel, "@");

+                return position;

+            }

+        }

+

+        return null;

+

+    }

+

+}