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authorAnton Tananaev <anton.tananaev@gmail.com>2017-11-21 07:06:05 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2017-11-21 07:06:05 +1300
commitcdaa4672bd59a0a5333b9fefada615b82bd19ab5 (patch)
tree0c30bce98ea482ae6d92cd1769732fc4ace846a6 /src/org/traccar/protocol/SigfoxProtocolDecoder.java
parentfb9cbb2b74dc0060bd0dc5d0b3bfeb958ed6f3b5 (diff)
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Implement Oyster Sigfox protocol
Diffstat (limited to 'src/org/traccar/protocol/SigfoxProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/SigfoxProtocolDecoder.java91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/SigfoxProtocolDecoder.java b/src/org/traccar/protocol/SigfoxProtocolDecoder.java
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+++ b/src/org/traccar/protocol/SigfoxProtocolDecoder.java
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+/*
+ * Copyright 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.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.handler.codec.http.HttpRequest;
+import org.jboss.netty.handler.codec.http.HttpResponseStatus;
+import org.traccar.BaseHttpProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import javax.json.Json;
+import javax.json.JsonObject;
+import javax.xml.bind.DatatypeConverter;
+import java.io.StringReader;
+import java.net.SocketAddress;
+import java.net.URLDecoder;
+import java.nio.ByteOrder;
+import java.nio.charset.StandardCharsets;
+import java.util.Date;
+
+public class SigfoxProtocolDecoder extends BaseHttpProtocolDecoder {
+
+ public SigfoxProtocolDecoder(SigfoxProtocol protocol) {
+ super(protocol);
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ HttpRequest request = (HttpRequest) msg;
+ JsonObject json = Json.createReader(new StringReader(URLDecoder.decode(
+ request.getContent().toString(StandardCharsets.UTF_8).split("=")[0], "UTF-8"))).readObject();
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, json.getString("device"));
+ if (deviceSession == null) {
+ sendResponse(channel, HttpResponseStatus.BAD_REQUEST);
+ return null;
+ }
+
+ Position position = new Position();
+ position.setProtocol(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.setTime(new Date(json.getInt("time") * 1000L));
+
+ ChannelBuffer buf = ChannelBuffers.wrappedBuffer(
+ ByteOrder.LITTLE_ENDIAN, DatatypeConverter.parseHexBinary(json.getString("data")));
+
+ int type = buf.readUnsignedByte() >> 4;
+ if (type == 0) {
+
+ position.setValid(true);
+ position.setLatitude(buf.readInt() * 0.0000001);
+ position.setLongitude(buf.readInt() * 0.0000001);
+ position.setCourse(buf.readUnsignedByte() * 2);
+ position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
+
+ position.set(Position.KEY_BATTERY, buf.readUnsignedByte() * 0.025);
+
+ } else {
+
+ getLastLocation(position, position.getDeviceTime());
+
+ }
+
+ position.set(Position.KEY_RSSI, json.getJsonNumber("rssi").doubleValue());
+ position.set(Position.KEY_INDEX, json.getInt("seqNumber"));
+
+ sendResponse(channel, HttpResponseStatus.OK);
+ return position;
+ }
+
+}