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authorAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
committerAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
commit59416923dcb3a756eaf532cc4259f2f6625c0762 (patch)
tree9082dae6616deac8fda432b7bfd80e4a52b6d9dc /src/main/java/org/traccar/protocol/SmokeyProtocolDecoder.java
parent79a129dd6327d932133d6b9a50190d3f4927bff9 (diff)
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Convert project to gradle
Diffstat (limited to 'src/main/java/org/traccar/protocol/SmokeyProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/SmokeyProtocolDecoder.java161
1 files changed, 161 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/SmokeyProtocolDecoder.java b/src/main/java/org/traccar/protocol/SmokeyProtocolDecoder.java
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+++ b/src/main/java/org/traccar/protocol/SmokeyProtocolDecoder.java
@@ -0,0 +1,161 @@
+/*
+ * Copyright 2016 - 2018 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.ByteBufUtil;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
+import org.traccar.Protocol;
+import org.traccar.helper.DateBuilder;
+import org.traccar.model.CellTower;
+import org.traccar.model.Network;
+import org.traccar.model.Position;
+import org.traccar.model.WifiAccessPoint;
+
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+import java.time.Instant;
+import java.time.temporal.ChronoUnit;
+
+public class SmokeyProtocolDecoder extends BaseProtocolDecoder {
+
+ public SmokeyProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ public static final int MSG_DATE_RECORD = 0;
+ public static final int MSG_DATE_RECORD_ACK = 1;
+
+ private static void sendResponse(
+ Channel channel, SocketAddress remoteAddress, ByteBuf id, int index, int report) {
+
+ if (channel != null) {
+ ByteBuf response = Unpooled.buffer();
+ response.writeBytes("SM".getBytes(StandardCharsets.US_ASCII));
+ response.writeByte(3); // protocol version
+ response.writeByte(MSG_DATE_RECORD_ACK);
+ response.writeBytes(id);
+ response.writeInt(
+ (int) ChronoUnit.SECONDS.between(Instant.parse("2000-01-01T00:00:00.00Z"), Instant.now()));
+ response.writeByte(index);
+ response.writeByte(report - 0x200);
+
+ short checksum = (short) 0xF5A0;
+ for (int i = 0; i < response.readableBytes(); i += 2) {
+ checksum ^= response.getShortLE(i);
+ }
+ response.writeShort(checksum);
+
+ channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
+ }
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ByteBuf buf = (ByteBuf) msg;
+
+ buf.skipBytes(2); // header
+ buf.readUnsignedByte(); // protocol version
+
+ int type = buf.readUnsignedByte();
+
+ ByteBuf id = buf.readSlice(8);
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, ByteBufUtil.hexDump(id));
+ if (deviceSession == null) {
+ return null;
+ }
+
+ if (type == MSG_DATE_RECORD) {
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.set(Position.KEY_VERSION_FW, buf.readUnsignedShort());
+
+ int status = buf.readUnsignedShort();
+ position.set(Position.KEY_STATUS, status);
+
+ DateBuilder dateBuilder = new DateBuilder()
+ .setDate(2000, 1, 1).addSeconds(buf.readUnsignedInt());
+
+ getLastLocation(position, dateBuilder.getDate());
+
+ int index = buf.readUnsignedByte();
+ position.set(Position.KEY_INDEX, index);
+
+ int report = buf.readUnsignedShort();
+
+ buf.readUnsignedShort(); // length
+
+ position.set(Position.KEY_BATTERY, buf.readUnsignedShort());
+
+ Network network = new Network();
+
+ if (report != 0x0203) {
+
+ int count = 1;
+ if (report != 0x0200) {
+ count = buf.readUnsignedByte();
+ }
+
+ for (int i = 0; i < count; i++) {
+ int mcc = buf.readUnsignedShort();
+ int mnc = buf.readUnsignedShort();
+ int lac = buf.readUnsignedShort();
+ int cid = buf.readUnsignedShort();
+ if (i == 0) {
+ buf.readByte(); // timing advance
+ }
+ int rssi = buf.readByte();
+ network.addCellTower(CellTower.from(mcc, mnc, lac, cid, rssi));
+ }
+
+ }
+
+ if (report == 0x0202 || report == 0x0203) {
+
+ int count = buf.readUnsignedByte();
+
+ for (int i = 0; i < count; i++) {
+ buf.readerIndex(buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0) + 1); // ssid
+
+ String mac = String.format("%02x:%02x:%02x:%02x:%02x:%02x",
+ buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte(),
+ buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte());
+
+ network.addWifiAccessPoint(WifiAccessPoint.from(mac, buf.readByte()));
+ }
+
+ }
+
+ position.setNetwork(network);
+
+ sendResponse(channel, remoteAddress, id, index, report);
+
+ return position;
+
+ }
+
+ return null;
+ }
+
+}