aboutsummaryrefslogtreecommitdiff
path: root/src/main/java/org/traccar/protocol/Tk102ProtocolDecoder.java
diff options
context:
space:
mode:
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/Tk102ProtocolDecoder.java
parent79a129dd6327d932133d6b9a50190d3f4927bff9 (diff)
downloadtrackermap-server-59416923dcb3a756eaf532cc4259f2f6625c0762.tar.gz
trackermap-server-59416923dcb3a756eaf532cc4259f2f6625c0762.tar.bz2
trackermap-server-59416923dcb3a756eaf532cc4259f2f6625c0762.zip
Convert project to gradle
Diffstat (limited to 'src/main/java/org/traccar/protocol/Tk102ProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/Tk102ProtocolDecoder.java144
1 files changed, 144 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/Tk102ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Tk102ProtocolDecoder.java
new file mode 100644
index 000000000..da0c6928b
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/Tk102ProtocolDecoder.java
@@ -0,0 +1,144 @@
+/*
+ * Copyright 2013 - 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.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.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+import java.util.regex.Pattern;
+
+public class Tk102ProtocolDecoder extends BaseProtocolDecoder {
+
+ public Tk102ProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ public static final int MSG_LOGIN_REQUEST = 0x80;
+ public static final int MSG_LOGIN_REQUEST_2 = 0x21;
+ public static final int MSG_LOGIN_RESPONSE = 0x00;
+ public static final int MSG_HEARTBEAT_REQUEST = 0xF0;
+ public static final int MSG_HEARTBEAT_RESPONSE = 0xFF;
+ public static final int MSG_REPORT_ONCE = 0x90;
+ public static final int MSG_REPORT_INTERVAL = 0x93;
+
+ public static final int MODE_GPRS = 0x30;
+ public static final int MODE_GPRS_SMS = 0x33;
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("(")
+ .expression("[A-Z]+")
+ .number("(dd)(dd)(dd)") // time (hhmmss)
+ .expression("([AV])") // validity
+ .number("(dd)(dd.dddd)([NS])") // latitude
+ .number("(ddd)(dd.dddd)([EW])") // longitude
+ .number("(ddd.ddd)") // speed
+ .number("(dd)(dd)(dd)") // date (ddmmyy)
+ .any()
+ .text(")")
+ .compile();
+
+ private void sendResponse(Channel channel, int type, ByteBuf dataSequence, ByteBuf content) {
+ if (channel != null) {
+ ByteBuf response = Unpooled.buffer();
+ response.writeByte('[');
+ response.writeByte(type);
+ response.writeBytes(dataSequence);
+ response.writeByte(content.readableBytes());
+ response.writeBytes(content);
+ content.release();
+ response.writeByte(']');
+ channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
+ }
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ByteBuf buf = (ByteBuf) msg;
+
+ buf.skipBytes(1); // header
+ int type = buf.readUnsignedByte();
+ ByteBuf dataSequence = buf.readSlice(10);
+ int length = buf.readUnsignedByte();
+
+ if (type == MSG_LOGIN_REQUEST || type == MSG_LOGIN_REQUEST_2) {
+
+ ByteBuf data = buf.readSlice(length);
+
+ String id;
+ if (type == MSG_LOGIN_REQUEST) {
+ id = data.toString(StandardCharsets.US_ASCII);
+ } else {
+ id = data.copy(1, 15).toString(StandardCharsets.US_ASCII);
+ }
+
+ if (getDeviceSession(channel, remoteAddress, id) != null) {
+ ByteBuf response = Unpooled.buffer();
+ response.writeByte(MODE_GPRS);
+ response.writeBytes(data);
+ sendResponse(channel, MSG_LOGIN_RESPONSE, dataSequence, response);
+ }
+
+ } else if (type == MSG_HEARTBEAT_REQUEST) {
+
+ sendResponse(channel, MSG_HEARTBEAT_RESPONSE, dataSequence, buf.readRetainedSlice(length));
+
+ } else {
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+ if (deviceSession == null) {
+ return null;
+ }
+
+ Parser parser = new Parser(PATTERN, buf.readSlice(length).toString(StandardCharsets.US_ASCII));
+ if (!parser.matches()) {
+ return null;
+ }
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ DateBuilder dateBuilder = new DateBuilder()
+ .setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
+
+ position.setValid(parser.next().equals("A"));
+ position.setLatitude(parser.nextCoordinate());
+ position.setLongitude(parser.nextCoordinate());
+ position.setSpeed(parser.nextDouble(0));
+
+ dateBuilder.setDateReverse(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
+ position.setTime(dateBuilder.getDate());
+
+ return position;
+
+ }
+
+ return null;
+ }
+
+}