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authorAnton Tananaev <anton.tananaev@gmail.com>2017-05-12 19:04:15 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2017-05-12 19:04:32 +1200
commit51920cae6438f8888090f177761a82afff33067f (patch)
treede54740c7133845a2361b7c924393ca27af28a79 /src/org/traccar
parent1a55e3903412bf35a0063307efe5458231c65b77 (diff)
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Implement DMT HTTP JSON protocol
Diffstat (limited to 'src/org/traccar')
-rw-r--r--src/org/traccar/protocol/DmtHttpProtocol.java45
-rw-r--r--src/org/traccar/protocol/DmtHttpProtocolDecoder.java145
2 files changed, 190 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/DmtHttpProtocol.java b/src/org/traccar/protocol/DmtHttpProtocol.java
new file mode 100644
index 000000000..da8f43bbd
--- /dev/null
+++ b/src/org/traccar/protocol/DmtHttpProtocol.java
@@ -0,0 +1,45 @@
+/*
+ * 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.bootstrap.ServerBootstrap;
+import org.jboss.netty.channel.ChannelPipeline;
+import org.jboss.netty.handler.codec.http.HttpRequestDecoder;
+import org.jboss.netty.handler.codec.http.HttpResponseEncoder;
+import org.traccar.BaseProtocol;
+import org.traccar.TrackerServer;
+
+import java.util.List;
+
+public class DmtHttpProtocol extends BaseProtocol {
+
+ public DmtHttpProtocol() {
+ super("dmthttp");
+ }
+
+ @Override
+ public void initTrackerServers(List<TrackerServer> serverList) {
+ serverList.add(new TrackerServer(new ServerBootstrap(), getName()) {
+ @Override
+ protected void addSpecificHandlers(ChannelPipeline pipeline) {
+ pipeline.addLast("httpEncoder", new HttpResponseEncoder());
+ pipeline.addLast("httpDecoder", new HttpRequestDecoder());
+ pipeline.addLast("objectDecoder", new DmtHttpProtocolDecoder(DmtHttpProtocol.this));
+ }
+ });
+ }
+
+}
diff --git a/src/org/traccar/protocol/DmtHttpProtocolDecoder.java b/src/org/traccar/protocol/DmtHttpProtocolDecoder.java
new file mode 100644
index 000000000..4592bdd55
--- /dev/null
+++ b/src/org/traccar/protocol/DmtHttpProtocolDecoder.java
@@ -0,0 +1,145 @@
+/*
+ * 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.channel.Channel;
+import org.jboss.netty.handler.codec.http.DefaultHttpResponse;
+import org.jboss.netty.handler.codec.http.HttpHeaders;
+import org.jboss.netty.handler.codec.http.HttpRequest;
+import org.jboss.netty.handler.codec.http.HttpResponse;
+import org.jboss.netty.handler.codec.http.HttpResponseStatus;
+import org.jboss.netty.handler.codec.http.HttpVersion;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.helper.BitUtil;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import javax.json.Json;
+import javax.json.JsonArray;
+import javax.json.JsonObject;
+import java.io.StringReader;
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.TimeZone;
+
+public class DmtHttpProtocolDecoder extends BaseProtocolDecoder {
+
+ public DmtHttpProtocolDecoder(DmtHttpProtocol protocol) {
+ super(protocol);
+ }
+
+ private void sendResponse(Channel channel, HttpResponseStatus status) {
+ if (channel != null) {
+ HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, status);
+ response.headers().add(HttpHeaders.Names.CONTENT_LENGTH, 0);
+ channel.write(response);
+ }
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ HttpRequest request = (HttpRequest) msg;
+ JsonObject root = Json.createReader(
+ new StringReader(request.getContent().toString(StandardCharsets.US_ASCII))).readObject();
+
+ DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+ dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, root.getString("IMEI"));
+ if (deviceSession == null) {
+ sendResponse(channel, HttpResponseStatus.BAD_REQUEST);
+ return null;
+ }
+
+ List<Position> positions = new LinkedList<>();
+
+ JsonArray records = root.getJsonArray("Records");
+
+ for (int i = 0; i < records.size(); i++) {
+ Position position = new Position();
+ position.setProtocol(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ JsonObject record = records.getJsonObject(i);
+
+ position.set(Position.KEY_INDEX, record.getInt("SeqNo"));
+ position.set(Position.KEY_EVENT, record.getInt("Reason"));
+
+ position.setDeviceTime(dateFormat.parse(record.getString("DateUTC")));
+
+ JsonArray fields = record.getJsonArray("Fields");
+
+ for (int j = 0; j < fields.size(); j++) {
+ JsonObject field = fields.getJsonObject(j);
+ switch (field.getInt("FType")) {
+ case 0:
+ position.setFixTime(dateFormat.parse(field.getString("GpsUTC")));
+ position.setLatitude(field.getJsonNumber("Lat").doubleValue());
+ position.setLatitude(field.getJsonNumber("Long").doubleValue());
+ position.setAltitude(field.getInt("Alt"));
+ position.setSpeed(UnitsConverter.knotsFromCps(field.getInt("Spd")));
+ position.setCourse(field.getInt("Head"));
+ position.setAccuracy(field.getInt("PosAcc"));
+ position.setValid(field.getInt("GpsStat") > 0);
+ break;
+ case 2:
+ int input = field.getInt("DIn");
+ int output = field.getInt("DOut");
+
+ position.set(Position.KEY_IGNITION, BitUtil.check(input, 0));
+
+ position.set(Position.KEY_INPUT, input);
+ position.set(Position.KEY_OUTPUT, output);
+ position.set(Position.KEY_STATUS, field.getInt("DevStat"));
+ break;
+ case 6:
+ JsonObject adc = field.getJsonObject("AnalogueData");
+ if (adc.containsKey("1")) {
+ position.set(Position.KEY_BATTERY, adc.getInt("1") * 0.001);
+ }
+ if (adc.containsKey("2")) {
+ position.set(Position.KEY_POWER, adc.getInt("2") * 0.01);
+ }
+ if (adc.containsKey("3")) {
+ position.set(Position.KEY_DEVICE_TEMP, adc.getInt("3") * 0.01);
+ }
+ if (adc.containsKey("4")) {
+ position.set(Position.KEY_RSSI, adc.getInt("4"));
+ }
+ if (adc.containsKey("5")) {
+ position.set("solarPower", adc.getInt("5") * 0.001);
+ }
+ break;
+ default:
+ break;
+ }
+ }
+
+ positions.add(position);
+ }
+
+ sendResponse(channel, HttpResponseStatus.OK);
+ return positions;
+ }
+
+}