aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAnton Tananaev <anton.tananaev@gmail.com>2016-01-02 11:36:43 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2016-01-02 11:36:43 +1300
commitba3cfd639270dd3115eedd29c832322b01b5b032 (patch)
tree676b857514b14c093193f87bd8f56647f74d4757
parent865c6e3fdccc5b59b55501aa58fd921cdb8a1ec1 (diff)
downloadtrackermap-server-ba3cfd639270dd3115eedd29c832322b01b5b032.tar.gz
trackermap-server-ba3cfd639270dd3115eedd29c832322b01b5b032.tar.bz2
trackermap-server-ba3cfd639270dd3115eedd29c832322b01b5b032.zip
Implement NVS GNSS communication protocol
-rw-r--r--debug.xml1
-rw-r--r--src/org/traccar/protocol/NvsProtocol.java43
-rw-r--r--src/org/traccar/protocol/NvsProtocolDecoder.java129
-rw-r--r--test/org/traccar/protocol/NvsProtocolDecoderTest.java21
4 files changed, 194 insertions, 0 deletions
diff --git a/debug.xml b/debug.xml
index de91efb3e..50465e924 100644
--- a/debug.xml
+++ b/debug.xml
@@ -269,5 +269,6 @@
<entry key='thinkrace.port'>5098</entry>
<entry key='pathaway.port'>5099</entry>
<entry key='arnavi.port'>5100</entry>
+ <entry key='nvs.port'>5101</entry>
</properties>
diff --git a/src/org/traccar/protocol/NvsProtocol.java b/src/org/traccar/protocol/NvsProtocol.java
new file mode 100644
index 000000000..fccc58a75
--- /dev/null
+++ b/src/org/traccar/protocol/NvsProtocol.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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.frame.LengthFieldBasedFrameDecoder;
+import org.traccar.BaseProtocol;
+import org.traccar.TrackerServer;
+
+import java.util.List;
+
+public class NvsProtocol extends BaseProtocol {
+
+ public NvsProtocol() {
+ super("nvs");
+ }
+
+ @Override
+ public void initTrackerServers(List<TrackerServer> serverList) {
+ serverList.add(new TrackerServer(new ServerBootstrap(), this.getName()) {
+ @Override
+ protected void addSpecificHandlers(ChannelPipeline pipeline) {
+ pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(1024, 4, 2, 2, 0));
+ pipeline.addLast("objectDecoder", new NvsProtocolDecoder(NvsProtocol.this));
+ }
+ });
+ }
+
+}
diff --git a/src/org/traccar/protocol/NvsProtocolDecoder.java b/src/org/traccar/protocol/NvsProtocolDecoder.java
new file mode 100644
index 000000000..3c42843f0
--- /dev/null
+++ b/src/org/traccar/protocol/NvsProtocolDecoder.java
@@ -0,0 +1,129 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.jboss.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.helper.BitUtil;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.nio.charset.Charset;
+import java.util.Date;
+import java.util.LinkedList;
+import java.util.List;
+
+public class NvsProtocolDecoder extends BaseProtocolDecoder {
+
+ public NvsProtocolDecoder(NvsProtocol protocol) {
+ super(protocol);
+ }
+
+ private void sendResponse(Channel channel, String response) {
+ if (channel != null) {
+ channel.write(response);
+ }
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ChannelBuffer buf = (ChannelBuffer) msg;
+
+ buf.skipBytes(4); // marker
+ int length = buf.readUnsignedShort();
+
+ if (length == 15 + 3) {
+
+ String imei = buf.toString(buf.readerIndex(), 15, Charset.defaultCharset());
+
+ if (!identify(imei, channel, remoteAddress)) {
+ sendResponse(channel, "NO01");
+ } else {
+ sendResponse(channel, "OK");
+ }
+
+ } else if (hasDeviceId()) {
+
+ List<Position> positions = new LinkedList<>();
+
+ buf.readLong(); // imei
+ buf.readUnsignedByte(); // codec
+ int count = buf.readUnsignedByte();
+
+ for (int i = 0; i < count; i++) {
+ Position position = new Position();
+ position.setProtocol(getProtocolName());
+ position.setDeviceId(getDeviceId());
+
+ position.setTime(new Date(buf.readUnsignedInt() * 1000));
+
+ position.set("reason", buf.readUnsignedByte());
+
+ position.setLongitude(buf.readInt() / 10000000.0);
+ position.setLatitude(buf.readInt() / 10000000.0);
+ position.setAltitude(buf.readShort());
+ position.setCourse(buf.readUnsignedShort());
+
+ position.set(Event.KEY_SATELLITES, buf.readUnsignedByte());
+
+ position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort()));
+ position.setValid(buf.readUnsignedByte() != 0);
+
+ buf.readUnsignedByte(); // used systems
+
+ buf.readUnsignedByte(); // cause element id
+
+ // Read 1 byte data
+ int cnt = buf.readUnsignedByte();
+ for (int j = 0; j < cnt; j++) {
+ position.set(Event.PREFIX_IO + buf.readUnsignedByte(), buf.readUnsignedByte());
+ }
+
+ // Read 2 byte data
+ cnt = buf.readUnsignedByte();
+ for (int j = 0; j < cnt; j++) {
+ position.set(Event.PREFIX_IO + buf.readUnsignedByte(), buf.readUnsignedShort());
+ }
+
+ // Read 4 byte data
+ cnt = buf.readUnsignedByte();
+ for (int j = 0; j < cnt; j++) {
+ position.set(Event.PREFIX_IO + buf.readUnsignedByte(), buf.readUnsignedInt());
+ }
+
+ // Read 8 byte data
+ cnt = buf.readUnsignedByte();
+ for (int j = 0; j < cnt; j++) {
+ position.set(Event.PREFIX_IO + buf.readUnsignedByte(), buf.readLong());
+ }
+
+ positions.add(position);
+ }
+
+ return positions;
+
+ }
+
+ return null;
+ }
+
+}
diff --git a/test/org/traccar/protocol/NvsProtocolDecoderTest.java b/test/org/traccar/protocol/NvsProtocolDecoderTest.java
new file mode 100644
index 000000000..5e8fabe23
--- /dev/null
+++ b/test/org/traccar/protocol/NvsProtocolDecoderTest.java
@@ -0,0 +1,21 @@
+package org.traccar.protocol;
+
+import org.junit.Test;
+import org.traccar.ProtocolTest;
+
+public class NvsProtocolDecoderTest extends ProtocolTest {
+
+ @Test
+ public void testDecode() throws Exception {
+
+ NvsProtocolDecoder decoder = new NvsProtocolDecoder(new NvsProtocol());
+
+ verifyNothing(decoder, binary(
+ "cccccccc0012313233343536373839303132333435312E310000"));
+
+ verifyPositions(decoder, binary(
+ "CCCCCCCC00FE00007048860DDF79020446a6f1ce010f14f650209cca80006f00d6040004010300030101150316030001460000015d0046a6f1dc0d0f14ffe0209cc580006e00c7050001010300030101150316010001460000015e0046a6f1ea0e0f150f00209cd20000950108040000010300030101150016030001460000015d0046a6f1ff0b0f150a50209cccc000930068040000010300030101150016030001460000015b006123"));
+
+ }
+
+}