Implement Oyster Sigfox protocol

1 files changed, 91 insertions, 0 deletions

diff --git a/src/org/traccar/protocol/SigfoxProtocolDecoder.java b/src/org/traccar/protocol/SigfoxProtocolDecoder.java
new file mode 100644
index 000000000..7cf57681f
--- /dev/null
+++ b/src/org/traccar/protocol/SigfoxProtocolDecoder.java
@@ -0,0 +1,91 @@
+/*
+ * 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;
+    }
+
+}