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authorAnton Tananaev <anton.tananaev@gmail.com>2019-04-24 23:31:44 -0700
committerAnton Tananaev <anton.tananaev@gmail.com>2019-04-24 23:31:44 -0700
commitff62eefa74f7d8cb36388adce981e1f6c306180a (patch)
treebe52493eeea93f70a64ad386cc83978eb4649802 /src/main/java
parentbec490817a2251dc37f727f3a755a20411761993 (diff)
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Support binary Fifotrack messages
Diffstat (limited to 'src/main/java')
-rw-r--r--src/main/java/org/traccar/protocol/FifotrackFrameDecoder.java49
-rw-r--r--src/main/java/org/traccar/protocol/FifotrackProtocol.java2
-rw-r--r--src/main/java/org/traccar/protocol/FifotrackProtocolDecoder.java26
3 files changed, 66 insertions, 11 deletions
diff --git a/src/main/java/org/traccar/protocol/FifotrackFrameDecoder.java b/src/main/java/org/traccar/protocol/FifotrackFrameDecoder.java
new file mode 100644
index 000000000..967b17a64
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/FifotrackFrameDecoder.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2019 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.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import org.traccar.BaseFrameDecoder;
+
+import java.nio.charset.StandardCharsets;
+
+public class FifotrackFrameDecoder extends BaseFrameDecoder {
+
+ @Override
+ protected Object decode(
+ ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception {
+
+ if (buf.readableBytes() < 10) {
+ return null;
+ }
+
+ int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) ',');
+ if (index != -1) {
+ int length = index - buf.readerIndex() + 3 + Integer.parseInt(
+ buf.toString(buf.readerIndex() + 2, index - buf.readerIndex() - 2, StandardCharsets.US_ASCII));
+ if (buf.readableBytes() >= length + 2) {
+ ByteBuf frame = buf.readRetainedSlice(length);
+ buf.skipBytes(2); // delimiter
+ return frame;
+ }
+ }
+
+ return null;
+ }
+
+}
diff --git a/src/main/java/org/traccar/protocol/FifotrackProtocol.java b/src/main/java/org/traccar/protocol/FifotrackProtocol.java
index 371e01e55..2c2e6e1d3 100644
--- a/src/main/java/org/traccar/protocol/FifotrackProtocol.java
+++ b/src/main/java/org/traccar/protocol/FifotrackProtocol.java
@@ -16,7 +16,6 @@
package org.traccar.protocol;
import io.netty.handler.codec.LineBasedFrameDecoder;
-import io.netty.handler.codec.string.StringDecoder;
import io.netty.handler.codec.string.StringEncoder;
import org.traccar.BaseProtocol;
import org.traccar.PipelineBuilder;
@@ -30,7 +29,6 @@ public class FifotrackProtocol extends BaseProtocol {
protected void addProtocolHandlers(PipelineBuilder pipeline) {
pipeline.addLast(new LineBasedFrameDecoder(1024));
pipeline.addLast(new StringEncoder());
- pipeline.addLast(new StringDecoder());
pipeline.addLast(new FifotrackProtocolDecoder(FifotrackProtocol.this));
}
});
diff --git a/src/main/java/org/traccar/protocol/FifotrackProtocolDecoder.java b/src/main/java/org/traccar/protocol/FifotrackProtocolDecoder.java
index 35696ee12..2719464c9 100644
--- a/src/main/java/org/traccar/protocol/FifotrackProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/FifotrackProtocolDecoder.java
@@ -23,7 +23,6 @@ import org.traccar.DeviceSession;
import org.traccar.NetworkMessage;
import org.traccar.Protocol;
import org.traccar.helper.Checksum;
-import org.traccar.helper.DataConverter;
import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
import org.traccar.helper.UnitsConverter;
@@ -32,6 +31,7 @@ import org.traccar.model.Network;
import org.traccar.model.Position;
import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
import java.util.regex.Pattern;
public class FifotrackProtocolDecoder extends BaseProtocolDecoder {
@@ -87,12 +87,11 @@ public class FifotrackProtocolDecoder extends BaseProtocolDecoder {
.text("$$")
.number("d+,") // length
.number("(d+),") // imei
- .expression("([^*]+),") // photo id
+ .number("x+,") // index
+ .expression("[^,]+,") // type
+ .expression("([^,]+),") // photo id
.number("(d+),") // offset
.number("(d+),") // size
- .number("(x+)") // data
- .text("*")
- .number("xx")
.compile();
private void requestPhoto(Channel channel, SocketAddress socketAddress, String imei, String file) {
@@ -165,11 +164,14 @@ public class FifotrackProtocolDecoder extends BaseProtocolDecoder {
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
- String sentence = (String) msg;
- int typeIndex = sentence.indexOf(',', sentence.indexOf(',', sentence.indexOf(',') + 1) + 1) + 1;
- String type = sentence.substring(typeIndex, typeIndex + 3);
+ ByteBuf buf = (ByteBuf) msg;
+ int typeIndex = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) ',') + 1;
+ typeIndex = buf.indexOf(typeIndex, buf.writerIndex(), (byte) ',') + 1;
+ typeIndex = buf.indexOf(typeIndex, buf.writerIndex(), (byte) ',') + 1;
+ String type = buf.toString(typeIndex, 3, StandardCharsets.US_ASCII);
if (type.equals("D05")) {
+ String sentence = buf.toString(StandardCharsets.US_ASCII);
Parser parser = new Parser(PATTERN_PHOTO, sentence);
if (parser.matches()) {
String imei = parser.next();
@@ -179,16 +181,22 @@ public class FifotrackProtocolDecoder extends BaseProtocolDecoder {
requestPhoto(channel, remoteAddress, imei, photoId);
}
} else if (type.equals("D06")) {
+ int dataIndex = buf.indexOf(typeIndex + 4, buf.writerIndex(), (byte) ',') + 1;
+ dataIndex = buf.indexOf(dataIndex, buf.writerIndex(), (byte) ',') + 1;
+ dataIndex = buf.indexOf(dataIndex, buf.writerIndex(), (byte) ',') + 1;
+ String sentence = buf.toString(buf.readerIndex(), dataIndex, StandardCharsets.US_ASCII);
Parser parser = new Parser(PATTERN_PHOTO_DATA, sentence);
if (parser.matches()) {
String imei = parser.next();
String photoId = parser.next();
parser.nextInt(); // offset
parser.nextInt(); // size
- photo.writeBytes(DataConverter.parseHex(parser.next()));
+ buf.readerIndex(dataIndex);
+ photo.writeBytes(buf.readBytes(buf.readableBytes() - 3)); // ignore checksum
requestPhoto(channel, remoteAddress, imei, photoId);
}
} else {
+ String sentence = buf.toString(StandardCharsets.US_ASCII);
return decodeLocation(channel, remoteAddress, sentence);
}