diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol/SigfoxHttpProtocolDecoder.java')
-rw-r--r-- | src/main/java/org/traccar/protocol/SigfoxHttpProtocolDecoder.java | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/SigfoxHttpProtocolDecoder.java b/src/main/java/org/traccar/protocol/SigfoxHttpProtocolDecoder.java new file mode 100644 index 000000000..e50336d7c --- /dev/null +++ b/src/main/java/org/traccar/protocol/SigfoxHttpProtocolDecoder.java @@ -0,0 +1,92 @@ +/* + * Copyright 2017 - 2019 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 io.netty.buffer.ByteBuf; +import io.netty.buffer.Unpooled; +import io.netty.channel.Channel; +import io.netty.handler.codec.http.FullHttpRequest; +import io.netty.handler.codec.http.HttpResponseStatus; +import org.traccar.BaseHttpProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.Protocol; +import org.traccar.helper.DataConverter; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.Position; + +import javax.json.Json; +import javax.json.JsonObject; +import java.io.StringReader; +import java.net.SocketAddress; +import java.net.URLDecoder; +import java.nio.charset.StandardCharsets; +import java.util.Date; + +public class SigfoxHttpProtocolDecoder extends BaseHttpProtocolDecoder { + + public SigfoxHttpProtocolDecoder(Protocol protocol) { + super(protocol); + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + FullHttpRequest request = (FullHttpRequest) msg; + JsonObject json = Json.createReader(new StringReader(URLDecoder.decode( + request.content().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(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + position.setTime(new Date(json.getInt("time") * 1000L)); + + ByteBuf buf = Unpooled.wrappedBuffer(DataConverter.parseHex(json.getString("data"))); + try { + int type = buf.readUnsignedByte() >> 4; + if (type == 0) { + + position.setValid(true); + position.setLatitude(buf.readIntLE() * 0.0000001); + position.setLongitude(buf.readIntLE() * 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()); + + } + } finally { + buf.release(); + } + + position.set(Position.KEY_RSSI, json.getJsonNumber("rssi").doubleValue()); + position.set(Position.KEY_INDEX, json.getInt("seqNumber")); + + sendResponse(channel, HttpResponseStatus.OK); + return position; + } + +} |