From 10af44fdf94ad407bc521d11f547a93855620cc2 Mon Sep 17 00:00:00 2001 From: Abyss777 Date: Wed, 6 Jul 2016 22:47:03 +0500 Subject: Revert GranitFrameDecoder --- src/org/traccar/protocol/GranitFrameDecoder.java | 65 ++++++++++++++++++++++++ src/org/traccar/protocol/GranitProtocol.java | 3 +- 2 files changed, 66 insertions(+), 2 deletions(-) create mode 100644 src/org/traccar/protocol/GranitFrameDecoder.java (limited to 'src/org/traccar') diff --git a/src/org/traccar/protocol/GranitFrameDecoder.java b/src/org/traccar/protocol/GranitFrameDecoder.java new file mode 100644 index 000000000..b0581c96c --- /dev/null +++ b/src/org/traccar/protocol/GranitFrameDecoder.java @@ -0,0 +1,65 @@ +/* + * 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 java.nio.charset.StandardCharsets; + +import org.jboss.netty.buffer.ChannelBuffer; +import org.jboss.netty.buffer.ChannelBuffers; +import org.jboss.netty.channel.Channel; +import org.jboss.netty.channel.ChannelHandlerContext; +import org.jboss.netty.handler.codec.frame.FrameDecoder; +import org.traccar.helper.StringFinder; + +public class GranitFrameDecoder extends FrameDecoder { + + private static final int HEADER_LENGTH = 6; + private static final int CHECKSUM_LENGTH = 3; + private static final int SHORT_LENGTH = 2; + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception { + + if (buf.readableBytes() > HEADER_LENGTH + SHORT_LENGTH) { + ChannelBuffer frame = ChannelBuffers.dynamicBuffer(); + buf.getBytes(buf.readerIndex(), frame, HEADER_LENGTH); + String headerString = frame.toString(StandardCharsets.US_ASCII); + if (headerString.equals("+RRCB~") || headerString.equals("+DDAT~")) { + int length = buf.getUnsignedShort(buf.readerIndex() + HEADER_LENGTH); + if (buf.readableBytes() >= HEADER_LENGTH + SHORT_LENGTH + length + CHECKSUM_LENGTH) { + frame = buf.readBytes(HEADER_LENGTH + SHORT_LENGTH + length + CHECKSUM_LENGTH); + if (buf.readableBytes() > 2) { + buf.skipBytes(2); //skip \r\n + } + return frame; + } else { + return null; //damaged packet + } + } + } + + int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), new StringFinder("\r\n")); + if (index != -1) { + ChannelBuffer frame = buf.readBytes(index - buf.readerIndex()); + buf.skipBytes(2); + return frame; + } + + return null; + } + +} diff --git a/src/org/traccar/protocol/GranitProtocol.java b/src/org/traccar/protocol/GranitProtocol.java index a33c43d20..fb9d10809 100644 --- a/src/org/traccar/protocol/GranitProtocol.java +++ b/src/org/traccar/protocol/GranitProtocol.java @@ -17,7 +17,6 @@ package org.traccar.protocol; import org.jboss.netty.bootstrap.ServerBootstrap; import org.jboss.netty.channel.ChannelPipeline; -import org.jboss.netty.handler.codec.frame.LineBasedFrameDecoder; import org.traccar.BaseProtocol; import org.traccar.TrackerServer; import org.traccar.model.Command; @@ -40,7 +39,7 @@ public class GranitProtocol extends BaseProtocol { TrackerServer server = new TrackerServer(new ServerBootstrap(), this.getName()) { @Override protected void addSpecificHandlers(ChannelPipeline pipeline) { - pipeline.addLast("frameDecoder", new LineBasedFrameDecoder(1024)); + pipeline.addLast("frameDecoder", new GranitFrameDecoder()); pipeline.addLast("objectEncoder", new GranitProtocolEncoder()); pipeline.addLast("objectDecoder", new GranitProtocolDecoder(GranitProtocol.this)); } -- cgit v1.2.3 From ca2d3882664111969059f7cad78f5d082a0e9f6a Mon Sep 17 00:00:00 2001 From: Abyss777 Date: Thu, 7 Jul 2016 09:26:07 +0500 Subject: - Cleaned up GranitFrameDecoder - Added test for GranitFrameDecoder - Removed \r\n from GranitProtocolDecoderTest --- src/org/traccar/protocol/GranitFrameDecoder.java | 36 ++++------------ .../traccar/protocol/GranitFrameDecoderTest.java | 48 ++++++++++++++++++++++ .../protocol/GranitProtocolDecoderTest.java | 18 ++++---- 3 files changed, 66 insertions(+), 36 deletions(-) create mode 100644 test/org/traccar/protocol/GranitFrameDecoderTest.java (limited to 'src/org/traccar') diff --git a/src/org/traccar/protocol/GranitFrameDecoder.java b/src/org/traccar/protocol/GranitFrameDecoder.java index b0581c96c..5f1297c6d 100644 --- a/src/org/traccar/protocol/GranitFrameDecoder.java +++ b/src/org/traccar/protocol/GranitFrameDecoder.java @@ -15,10 +15,7 @@ */ package org.traccar.protocol; -import java.nio.charset.StandardCharsets; - import org.jboss.netty.buffer.ChannelBuffer; -import org.jboss.netty.buffer.ChannelBuffers; import org.jboss.netty.channel.Channel; import org.jboss.netty.channel.ChannelHandlerContext; import org.jboss.netty.handler.codec.frame.FrameDecoder; @@ -26,39 +23,24 @@ import org.traccar.helper.StringFinder; public class GranitFrameDecoder extends FrameDecoder { - private static final int HEADER_LENGTH = 6; - private static final int CHECKSUM_LENGTH = 3; - private static final int SHORT_LENGTH = 2; - @Override protected Object decode( ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception { - if (buf.readableBytes() > HEADER_LENGTH + SHORT_LENGTH) { - ChannelBuffer frame = ChannelBuffers.dynamicBuffer(); - buf.getBytes(buf.readerIndex(), frame, HEADER_LENGTH); - String headerString = frame.toString(StandardCharsets.US_ASCII); - if (headerString.equals("+RRCB~") || headerString.equals("+DDAT~")) { - int length = buf.getUnsignedShort(buf.readerIndex() + HEADER_LENGTH); - if (buf.readableBytes() >= HEADER_LENGTH + SHORT_LENGTH + length + CHECKSUM_LENGTH) { - frame = buf.readBytes(HEADER_LENGTH + SHORT_LENGTH + length + CHECKSUM_LENGTH); - if (buf.readableBytes() > 2) { - buf.skipBytes(2); //skip \r\n - } - return frame; - } else { - return null; //damaged packet + int indexEnd = buf.indexOf(buf.readerIndex(), buf.writerIndex(), new StringFinder("\r\n")); + if (indexEnd != -1) { + int indexTilde = buf.indexOf(buf.readerIndex(), buf.writerIndex(), new StringFinder("~")); + if (indexTilde != -1 && indexTilde < indexEnd) { + int length = buf.getUnsignedShort(indexTilde + 1); + indexEnd = buf.indexOf(indexTilde + 2 + length, buf.writerIndex(), new StringFinder("\r\n")); + if (indexEnd == -1) { + return null; } } - } - - int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), new StringFinder("\r\n")); - if (index != -1) { - ChannelBuffer frame = buf.readBytes(index - buf.readerIndex()); + ChannelBuffer frame = buf.readBytes(indexEnd - buf.readerIndex()); buf.skipBytes(2); return frame; } - return null; } diff --git a/test/org/traccar/protocol/GranitFrameDecoderTest.java b/test/org/traccar/protocol/GranitFrameDecoderTest.java new file mode 100644 index 000000000..cf84c2026 --- /dev/null +++ b/test/org/traccar/protocol/GranitFrameDecoderTest.java @@ -0,0 +1,48 @@ +package org.traccar.protocol; + +import java.nio.ByteOrder; + +import org.junit.Assert; +import org.junit.Test; +import org.traccar.ProtocolTest; + +public class GranitFrameDecoderTest extends ProtocolTest { + + @Test + public void testDecode() throws Exception { + + GranitFrameDecoder decoder = new GranitFrameDecoder(); + + Assert.assertEquals( + binary("2b525243427e1a003e2934757c57b8b03c38d279b4e61e9bd7006b000000001c00002a4533"), + decoder.decode(null, null, binary(ByteOrder.LITTLE_ENDIAN, "2b525243427e1a003e2934757c57b8b03c38d279b4e61e9bd7006b000000001c00002a45330d0a"))); + + Assert.assertEquals( + binary("2b525243427e1a000d0a34757c57b8b03c38d279b4e61e9bd7006b000000001c00002a4533"), + decoder.decode(null, null, binary(ByteOrder.LITTLE_ENDIAN, "2b525243427e1a000d0a34757c57b8b03c38d279b4e61e9bd7006b000000001c00002a45330d0a"))); + + Assert.assertEquals( + binary("4f4b"), + decoder.decode(null, null, binary(ByteOrder.LITTLE_ENDIAN, "4f4b0d0a2b525243427e1a000d0a34757c57b8b03c38d279b4e61e9bd7006b000000001c00002a45330d0a"))); + + Assert.assertEquals( + binary("2b444441547e84003e290401d01690737c57b8903c383c7fa0e5081b64006b000000001c0000b8803c388e7fe7e5102197006c000000001c0000b8813c38ad7f02e6042035006c000000001d0000b8813c38bf7f13e6001d1e006c000000001d0000b8813c38bf7f13e6001d00006c000000001d0000b8903c38977f34e6091065006c000000001e000014002a3932"), + decoder.decode(null, null, binary(ByteOrder.LITTLE_ENDIAN, + "2b444441547e84003e290401d01690737c57b8903c383c7fa0e5081b64006b000000001c0000b8803c388e7fe7e5102197006c000000001c0000b8813c38ad7f02e6042035006c000000001d0000b8813c38bf7f13e6001d1e006c000000001d0000b8813c38bf7f13e6001d00006c000000001d0000b8903c38977f34e6091065006c000000001e000014002a39320d0a"))); + + Assert.assertEquals( + binary("2b444441547e84003e290401d41680747c57f8a03c38987f50e6005300006c000000001c0000f8b03c38987f50e6005300006c000000001c0000fefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe14002a4346"), + decoder.decode(null, null, binary(ByteOrder.LITTLE_ENDIAN, + "2b444441547e84003e290401d41680747c57f8a03c38987f50e6005300006c000000001c0000f8b03c38987f50e6005300006c000000001c0000fefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe14002a43460d0a"))); + + Assert.assertEquals( + binary("2b49444e543a204e6176696761746f722e30347820204669726d776172652076657273696f6e202030373132474c4e202a3231"), + decoder.decode(null, null, binary(ByteOrder.LITTLE_ENDIAN, "2b49444e543a204e6176696761746f722e30347820204669726d776172652076657273696f6e202030373132474c4e202a32310d0a"))); + + Assert.assertEquals( + binary("4552524f522057524f4e4720434845434b53554d5f31"), + decoder.decode(null, null, binary(ByteOrder.LITTLE_ENDIAN, "4552524f522057524f4e4720434845434b53554d5f310d0a"))); + + } + +} diff --git a/test/org/traccar/protocol/GranitProtocolDecoderTest.java b/test/org/traccar/protocol/GranitProtocolDecoderTest.java index 9f1f07bf7..1e6a5e611 100644 --- a/test/org/traccar/protocol/GranitProtocolDecoderTest.java +++ b/test/org/traccar/protocol/GranitProtocolDecoderTest.java @@ -13,21 +13,21 @@ public class GranitProtocolDecoderTest extends ProtocolTest { GranitProtocolDecoder decoder = new GranitProtocolDecoder(new GranitProtocol()); verifyPosition(decoder, binary(ByteOrder.LITTLE_ENDIAN, - "2b525243427e1a003e2934757c57b8b03c38d279b4e61e9bd7006b000000001c00002a45330d0a")); - + "2b525243427e1a003e2934757c57b8b03c38d279b4e61e9bd7006b000000001c00002a4533")); + verifyPositions(decoder, binary(ByteOrder.LITTLE_ENDIAN, - "2b444441547e84003e290401d01690737c57b8903c383c7fa0e5081b64006b000000001c0000b8803c388e7fe7e5102197006c000000001c0000b8813c38ad7f02e6042035006c000000001d0000b8813c38bf7f13e6001d1e006c000000001d0000b8813c38bf7f13e6001d00006c000000001d0000b8903c38977f34e6091065006c000000001e000014002a39320d0a")); - + "2b444441547e84003e290401d01690737c57b8903c383c7fa0e5081b64006b000000001c0000b8803c388e7fe7e5102197006c000000001c0000b8813c38ad7f02e6042035006c000000001d0000b8813c38bf7f13e6001d1e006c000000001d0000b8813c38bf7f13e6001d00006c000000001d0000b8903c38977f34e6091065006c000000001e000014002a3932")); + verifyPositions(decoder, binary(ByteOrder.LITTLE_ENDIAN, - "2b444441547e84003e290401d41680747c57f8a03c38987f50e6005300006c000000001c0000f8b03c38987f50e6005300006c000000001c0000fefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe14002a43460d0a")); - + "2b444441547e84003e290401d41680747c57f8a03c38987f50e6005300006c000000001c0000f8b03c38987f50e6005300006c000000001c0000fefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe14002a4346")); + //+IDNT: Navigator.04x Firmware version 0712GLN *21 verifyAttributes(decoder, binary(ByteOrder.LITTLE_ENDIAN, - "2b49444e543a204e6176696761746f722e30347820204669726d776172652076657273696f6e202030373132474c4e202a32310d0a")); - + "2b49444e543a204e6176696761746f722e30347820204669726d776172652076657273696f6e202030373132474c4e202a3231")); + //ERROR WRONG CHECKSUM_1 verifyAttributes(decoder, binary(ByteOrder.LITTLE_ENDIAN, - "4552524f522057524f4e4720434845434b53554d5f310d0a")); + "4552524f522057524f4e4720434845434b53554d5f31")); } } -- cgit v1.2.3