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authorAnton Tananaev <anton@traccar.org>2022-09-27 09:27:12 -0700
committerAnton Tananaev <anton@traccar.org>2022-09-27 09:27:12 -0700
commite7a5d1e1f4d7746e35dfac5b15078de03dc7bf79 (patch)
tree0af50cba1bbf293fcbeb5a3e367c88ef8a5f26e8 /src/main/java/org/traccar/protocol/RfTrackProtocolDecoder.java
parent706de3e02cde8daa0bce29dd2ff96703f17ff92a (diff)
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Support RFTRACK monitoring units
Diffstat (limited to 'src/main/java/org/traccar/protocol/RfTrackProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/RfTrackProtocolDecoder.java115
1 files changed, 115 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/RfTrackProtocolDecoder.java b/src/main/java/org/traccar/protocol/RfTrackProtocolDecoder.java
new file mode 100644
index 000000000..540c3ce0b
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/RfTrackProtocolDecoder.java
@@ -0,0 +1,115 @@
+/*
+ * Copyright 2022 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.Unpooled;
+import io.netty.channel.Channel;
+import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.codec.http.HttpResponseStatus;
+import io.netty.handler.codec.http.QueryStringDecoder;
+import org.traccar.BaseHttpProtocolDecoder;
+import org.traccar.Protocol;
+import org.traccar.model.CellTower;
+import org.traccar.model.Network;
+import org.traccar.model.Position;
+import org.traccar.session.DeviceSession;
+
+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.util.Date;
+import java.util.List;
+import java.util.Map;
+
+public class RfTrackProtocolDecoder extends BaseHttpProtocolDecoder {
+
+ public RfTrackProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ @Override
+ protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ FullHttpRequest request = (FullHttpRequest) msg;
+ QueryStringDecoder decoder = new QueryStringDecoder(
+ request.content().toString(StandardCharsets.US_ASCII), false);
+ Map<String, List<String>> params = decoder.parameters();
+
+ Position position = new Position(getProtocolName());
+ Network network = new Network();
+
+ for (Map.Entry<String, List<String>> entry : params.entrySet()) {
+ for (String value : entry.getValue()) {
+ switch (entry.getKey()) {
+ case "i":
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, value);
+ if (deviceSession == null) {
+ sendResponse(channel, HttpResponseStatus.BAD_REQUEST);
+ return null;
+ }
+ position.setDeviceId(deviceSession.getDeviceId());
+ break;
+ case "v":
+ position.set(Position.KEY_VERSION_FW, value);
+ break;
+ case "t":
+ position.setDeviceTime(new Date(Long.parseLong(value)));
+ break;
+ case "bat":
+ position.set(Position.KEY_BATTERY_LEVEL, Integer.parseInt(value) & 0xff);
+ break;
+ case "gps":
+ JsonObject location = Json.createReader(new StringReader(value)).readObject();
+ position.setValid(true);
+ position.setAccuracy(location.getJsonNumber("a").doubleValue());
+ position.setLongitude(location.getJsonNumber("x").doubleValue());
+ position.setLatitude(location.getJsonNumber("y").doubleValue());
+ position.setAltitude(location.getJsonNumber("z").doubleValue());
+ position.setFixTime(new Date(location.getJsonNumber("t").longValue()));
+ break;
+ case "gsm":
+ JsonObject cellInfo = Json.createReader(new StringReader(value)).readObject();
+ int mcc = cellInfo.getInt("c");
+ int mnc = cellInfo.getInt("n");
+ JsonArray cells = cellInfo.getJsonArray("b");
+ for (int i = 0; i < cells.size(); i++) {
+ JsonObject cell = cells.getJsonObject(i);
+ network.addCellTower(CellTower.from(
+ mcc, mnc, cell.getInt("l"), cell.getInt("c"), cell.getInt("b")));
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ if (position.getFixTime() == null) {
+ getLastLocation(position, position.getDeviceTime());
+ }
+
+ if (network.getCellTowers() != null || network.getWifiAccessPoints() != null) {
+ position.setNetwork(network);
+ }
+
+ sendResponse(channel, HttpResponseStatus.OK, Unpooled.copiedBuffer("{}", StandardCharsets.UTF_8));
+ return position;
+ }
+
+}