From da9e3571f686816c07159fb834ec8b9e6eaa3cda Mon Sep 17 00:00:00 2001 From: Evgeny S Maksimov Date: Thu, 31 Jan 2019 12:57:36 +0300 Subject: Review fixes --- src/org/traccar/protocol/NavisFrameDecoder.java | 11 +-- src/org/traccar/protocol/NavisProtocolDecoder.java | 100 +++++++-------------- .../traccar/protocol/NavisFrameDecoderTest.java | 21 +++-- .../traccar/protocol/NavisProtocolDecoderTest.java | 34 +++---- 4 files changed, 68 insertions(+), 98 deletions(-) diff --git a/src/org/traccar/protocol/NavisFrameDecoder.java b/src/org/traccar/protocol/NavisFrameDecoder.java index ff367ba77..9a3b3d45c 100644 --- a/src/org/traccar/protocol/NavisFrameDecoder.java +++ b/src/org/traccar/protocol/NavisFrameDecoder.java @@ -44,6 +44,10 @@ public class NavisFrameDecoder extends BaseFrameDecoder { return null; } + if (buf.readableBytes() > MAX_FRAME_LENGTH) { + throw new TooLongFrameException(); + } + if (buf.getByte(buf.readerIndex()) == 0x7F) { // FLEX keep alive frame return buf.readRetainedSlice(1); @@ -51,10 +55,6 @@ public class NavisFrameDecoder extends BaseFrameDecoder { if (protocolDecoder.getFlexDataSize() > 0) { // FLEX frame - if (buf.readableBytes() > MAX_FRAME_LENGTH) { - throw new TooLongFrameException(); - } - if (buf.readableBytes() > FLEX_HEADER_LENGTH) { int length = 0; String type = buf.toString(buf.readerIndex(), 2, StandardCharsets.US_ASCII); @@ -101,9 +101,6 @@ public class NavisFrameDecoder extends BaseFrameDecoder { int length = buf.getUnsignedShortLE(buf.readerIndex() + NTCB_LENGTH_OFFSET); if (buf.readableBytes() >= NTCB_HEADER_LENGTH + length) { - if (buf.readableBytes() > MAX_FRAME_LENGTH) { - throw new TooLongFrameException(); - } return buf.readRetainedSlice(NTCB_HEADER_LENGTH + length); } } diff --git a/src/org/traccar/protocol/NavisProtocolDecoder.java b/src/org/traccar/protocol/NavisProtocolDecoder.java index 912e47369..d3b3f9932 100644 --- a/src/org/traccar/protocol/NavisProtocolDecoder.java +++ b/src/org/traccar/protocol/NavisProtocolDecoder.java @@ -18,8 +18,6 @@ package org.traccar.protocol; import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import io.netty.channel.Channel; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; import org.traccar.BaseProtocolDecoder; import org.traccar.DeviceSession; import org.traccar.NetworkMessage; @@ -44,7 +42,6 @@ public class NavisProtocolDecoder extends BaseProtocolDecoder { private int flexDataSize; // bytes private int flexBitfieldDataSize; // bits private final byte[] flexBitfield; - private static final Logger LOGGER = LoggerFactory.getLogger(NavisProtocolDecoder.class); private static final int[] FLEX_FIELDS_SIZES = {4, 2, 4, 1, 1, 1, 1, 1, 4, 4, 4, 4, 4, 2, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 4, 4, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 4, 2, 1, 4, 2, 2, 2, 2, 2, 1, 1, 1, 2, 4, 2, 1, /* FLEX 2.0 */ 8, 2, 1, 16, 4, 2, 4, 37, 1, @@ -323,12 +320,6 @@ public class NavisProtocolDecoder extends BaseProtocolDecoder { return BitUtil.check(flexBitfield[byteIndex], 7 - bitIndex); } - private void skipFlexField(int index, ByteBuf buf) { - if (index < FLEX_FIELDS_SIZES.length) { - buf.skipBytes(FLEX_FIELDS_SIZES[index]); - } - } - private ParseResult parseFlexPosition(DeviceSession deviceSession, ByteBuf buf) { Position position = new Position(getProtocolName()); @@ -342,7 +333,6 @@ public class NavisProtocolDecoder extends BaseProtocolDecoder { for (int i = 0; i < flexBitfieldDataSize; i++) { if (!checkFlexBitfield(i)) { - // skip FLEX field continue; } @@ -458,29 +448,14 @@ public class NavisProtocolDecoder extends BaseProtocolDecoder { case 51: position.set(Position.PREFIX_TEMP + (i - 43), buf.readByte()); break; - case 68: // CAN Speed + case 68: position.set("can-speed", buf.readUnsignedByte()); break; // FLEX 2.0 case 69: int satVisible = 0; for (int k = 0; k < 8; k++) { - switch (k) { - case 0: - int satVisibleGLONASS = buf.readUnsignedByte(); - position.set("sat-visible-glonass", satVisibleGLONASS); - satVisible += satVisibleGLONASS; - break; - case 1: - int satVisibleGPS = buf.readUnsignedByte(); - position.set("sat-visible-gps", satVisibleGPS); - satVisible += satVisibleGPS; - break; - default: - // Don't detalize Galileo, Compass, Beidou, DORIS, IRNSS, QZSS - satVisible += buf.readUnsignedByte(); - break; - } + satVisible += buf.readUnsignedByte(); } position.set(Position.KEY_SATELLITES_VISIBLE, satVisible); break; @@ -489,7 +464,9 @@ public class NavisProtocolDecoder extends BaseProtocolDecoder { position.set(Position.KEY_PDOP, buf.readUnsignedByte() * 0.1); break; default: - skipFlexField(i, buf); + if (i < FLEX_FIELDS_SIZES.length) { + buf.skipBytes(FLEX_FIELDS_SIZES[i]); + } break; } } @@ -505,7 +482,6 @@ public class NavisProtocolDecoder extends BaseProtocolDecoder { long index = 0; int length = buf.readUnsignedShort(); - // Check buffer size and struct version if (length <= buf.readableBytes() && buf.readUnsignedByte() == 0x0A) { buf.readUnsignedByte(); // length of static part @@ -586,12 +562,10 @@ public class NavisProtocolDecoder extends BaseProtocolDecoder { return null; } - byte flexProtocolVersion, flexStructVersion; - - flexProtocolVersion = (byte) buf.readUnsignedByte(); - flexStructVersion = (byte) buf.readUnsignedByte(); - if ((flexProtocolVersion == (byte) 0x0A || flexProtocolVersion == (byte) 0x14) - && (flexStructVersion == (byte) 0x0A || flexStructVersion == (byte) 0x14)) { + byte flexProtocolVersion = (byte) buf.readUnsignedByte(); + byte flexStructVersion = (byte) buf.readUnsignedByte(); + if ((flexProtocolVersion == 0x0A || flexProtocolVersion == 0x14) + && (flexStructVersion == 0x0A || flexStructVersion == 0x14)) { flexBitfieldDataSize = buf.readUnsignedByte(); if (flexBitfieldDataSize > 122) { @@ -674,20 +648,16 @@ public class NavisProtocolDecoder extends BaseProtocolDecoder { } else { DeviceSession deviceSession = getDeviceSession(channel, remoteAddress); if (deviceSession != null) { - try { - switch (type) { - case "*>A": - return processNtcbArray(deviceSession, channel, buf); - case "*>T": - return processNtcbSingle(deviceSession, channel, buf); - case "*>F": // "*>FLEX" - buf.skipBytes(3); - return processFlexNegotiation(channel, buf); - default: - break; - } - } catch (IndexOutOfBoundsException error) { - LOGGER.warn("Navis NTCB message parsing error", error); + switch (type) { + case "*>A": + return processNtcbArray(deviceSession, channel, buf); + case "*>T": + return processNtcbSingle(deviceSession, channel, buf); + case "*>F": + buf.skipBytes(3); + return processFlexNegotiation(channel, buf); + default: + break; } } } @@ -707,24 +677,20 @@ public class NavisProtocolDecoder extends BaseProtocolDecoder { DeviceSession deviceSession = getDeviceSession(channel, remoteAddress); if (deviceSession != null) { - try { - switch (type) { - // FLEX 1.0 - case "~A": - return processFlexArray(this::parseFlexPosition, type, deviceSession, channel, buf); - case "~T": - case "~C": - return processFlexSingle(this::parseFlexPosition, type, deviceSession, channel, buf); - // FLEX 2.0 (Extra packages) - case "~E": - return processFlexArray(this::parseFlex20Position, type, deviceSession, channel, buf); - case "~X": - return processFlexSingle(this::parseFlex20Position, type, deviceSession, channel, buf); - default: - break; - } - } catch (IndexOutOfBoundsException error) { - LOGGER.warn("Navis FLEX message parsing error", error); + switch (type) { + // FLEX 1.0 + case "~A": + return processFlexArray(this::parseFlexPosition, type, deviceSession, channel, buf); + case "~T": + case "~C": + return processFlexSingle(this::parseFlexPosition, type, deviceSession, channel, buf); + // FLEX 2.0 (Extra packages) + case "~E": + return processFlexArray(this::parseFlex20Position, type, deviceSession, channel, buf); + case "~X": + return processFlexSingle(this::parseFlex20Position, type, deviceSession, channel, buf); + default: + break; } } diff --git a/test/org/traccar/protocol/NavisFrameDecoderTest.java b/test/org/traccar/protocol/NavisFrameDecoderTest.java index 069f03d1b..5e8d8fd36 100644 --- a/test/org/traccar/protocol/NavisFrameDecoderTest.java +++ b/test/org/traccar/protocol/NavisFrameDecoderTest.java @@ -7,30 +7,33 @@ import org.junit.Test; public class NavisFrameDecoderTest extends ProtocolTest { @Test - public void testDecode() throws Exception { + public void testDecodeNtcb() throws Exception { NavisProtocolDecoder protocolDecoder = new NavisProtocolDecoder(null); NavisFrameDecoder frameDecoder = new NavisFrameDecoder(protocolDecoder); - // Handshake - verifyNull(protocolDecoder, binary( - "404E5443010000007B000000130044342A3E533A383631373835303035323035303739")); - - // NTCB F5.2 - Single verifyFrame(binary( "404e5443010000000000000059009adb2a3e54250000000000ff1500040b0a1008291838001200760ee600000000000000000000000f1500040b0a10ac20703fb1aec23f00000000320149668f430000000000000000000000000000000000000000000000f3808080"), frameDecoder.decode(null, null, binary("404e5443010000000000000059009adb2a3e54250000000000ff1500040b0a1008291838001200760ee600000000000000000000000f1500040b0a10ac20703fb1aec23f00000000320149668f430000000000000000000000000000000000000000000000f3808080"))); - // FLEX 1.0 - Negotiation + } + + @Test + public void testDecodeFlex10() throws Exception { + + NavisProtocolDecoder protocolDecoder = new NavisProtocolDecoder(null); + NavisFrameDecoder frameDecoder = new NavisFrameDecoder(protocolDecoder); + + verifyNull(protocolDecoder, binary( + "404e544301000000c9b5f602130046c52a3e533a383639363936303439373232383235")); + verifyNull(protocolDecoder, binary( "404e544301000000aaecf6021300c8712a3e464c4558b00a0a45ffff300a08080f8388")); - // FLEX 1.0 - Single verifyFrame(binary( "7e54040000000400000030129957405c000b00632f9857405ccace03021e129101a103000000000000c4005ba3fe3b00000000120046100000000000001aff7f000080bfffff80000080bfffffffff9f"), frameDecoder.decode(null, null, binary("7e54040000000400000030129957405c000b00632f9857405ccace03021e129101a103000000000000c4005ba3fe3b00000000120046100000000000001aff7f000080bfffff80000080bfffffffff9f"))); - // FLEX 1.0 - Array (1 message) verifyFrame(binary( "7e4101080000000917c057405c002b001833c057405cbbce030225129101a00300007c6102408900400c1b3cfce3b23a12004710e000000000001bff7f000080bfffff80000080bfffffffffb2"), frameDecoder.decode(null, null, binary("7e4101080000000917c057405c002b001833c057405cbbce030225129101a00300007c6102408900400c1b3cfce3b23a12004710e000000000001bff7f000080bfffff80000080bfffffffffb2"))); diff --git a/test/org/traccar/protocol/NavisProtocolDecoderTest.java b/test/org/traccar/protocol/NavisProtocolDecoderTest.java index 5bf0c84bc..33a6bab24 100644 --- a/test/org/traccar/protocol/NavisProtocolDecoderTest.java +++ b/test/org/traccar/protocol/NavisProtocolDecoderTest.java @@ -7,20 +7,20 @@ import org.junit.Test; public class NavisProtocolDecoderTest extends ProtocolTest { @Test - public void testDecode() throws Exception { + public void testDecodeNtcb() throws Exception { NavisProtocolDecoder decoder = new NavisProtocolDecoder(null); - // Handshake verifyNull(decoder, binary( "404E5443010000007B000000130044342A3E533A383631373835303035323035303739")); - // NTCB F5.2 - Single + verifyNull(decoder, binary( + "404E5443010000007B000000130047372A3E533A383631373835303035313236303639")); + verifyPosition(decoder, binary( "404e5443010000000000000059009adb2a3e54250000000000ff1500040b0a1008291838001200760ee600000000000000000000000f1500040b0a10ac20703fb1aec23f00000000320149668f430000000000000000000000000000000000000000000000f3808080"), position("2016-11-11 21:00:04.000", true, 53.74336, 87.14437)); - // NTCB 5.2 - Array (1 message) verifyPositions(decoder, binary( "404e544300000000040000005a00c6812a3e410125e3a60700011705071503011030210c0000fa200910e6000000000000000000000001082106150010ae97643f88a39f3f0000000090001fcc6c450000000000000000000000000000000000000000000000f6808080")); @@ -30,44 +30,48 @@ public class NavisProtocolDecoderTest extends ProtocolTest { verifyPositions(decoder, binary( "404E5443010000007B0000005A0050692A3E410125DB0E00000015110707110A0C0880630000AA39A2381600020000000000000000000C110708110A0CB389793F1AEF263F00000000120034F516440000000000000000000000FAFF000000FAFF000000FAFF80808080")); - // NTCB 6.0 - Single verifyPosition(decoder, binary( "404e544301000000cdfbf5027200852e2a3e5406aa170000c11116162410001310a9110e80996b281003000a0008000000000000000000d207d207ffffff00fbff00fbff00fbff00fbff00fbff00fbff00fbff2d808080ffffffffffff2b161624100013509b0302b0f89201830500000000000037002fb8cf43eed5843a35003500"), position("2019-01-16 22:22:36.000", true, 56.31800, 44.01523)); - // NTCB 6.0 - Array (1 message) verifyPositions(decoder, binary( "404e54430100000045635902730081972a3e4101060b7e0e000b171328050d00133029110e00bc6141100200000000000000000000000000d207d307ffffff00fbff00fbff00fbff00fbff00fbff00fbff00fbff02808080ffffffffffff4f1328050d001371cd0302c5109101a60300000000000000003d1b37470000000096009600")); + } + + @Test + public void testDecodeFlex10() throws Exception { + + NavisProtocolDecoder decoder = new NavisProtocolDecoder(null); + + verifyNull(decoder, binary( + "404e544301000000c9b5f602130046c52a3e533a383639363936303439373232383235")); - // FLEX 1.0 - Negotiation verifyNull(decoder, binary( "404e544301000000aaecf6021300c8712a3e464c4558b00a0a45ffff300a08080f8388")); - // FLEX 1.0 - Single verifyPosition(decoder, binary( "7e54040000000400000030129957405c000b00632f9857405ccace03021e129101a103000000000000c4005ba3fe3b00000000120046100000000000001aff7f000080bfffff80000080bfffffffff9f"), position("2019-01-17 10:23:20.000", true, 56.33996, 43.80762)); - // FLEX 1.0 - Array (1 message) verifyPositions(decoder, binary( "7e4101080000000917c057405c002b001833c057405cbbce030225129101a00300007c6102408900400c1b3cfce3b23a12004710e000000000001bff7f000080bfffff80000080bfffffffffb2")); + } - decoder = new NavisProtocolDecoder(null); + @Test + public void testDecodeFlex20() throws Exception { + + NavisProtocolDecoder decoder = new NavisProtocolDecoder(null); - // Handshake verifyNull(decoder, binary( - "404E5443010000007B000000130047372A3E533A383631373835303035313236303639")); + "404e544301000000a9eef602130043fb2a3e533a383639363936303439373337333835")); - // FLEX 2.0 - Negotiation verifyNull(decoder, binary( "404e544301000000a9eef6021a003f8e2a3e464c4558b014147afffff008080800000e00000000000000")); - // FLEX 2.0 - Single verifyPosition(decoder, binary( "7e5428000000280000002111d16b435c00a900154bd16b435ce19e030259f6920133050000b7623e429300c9e7f03f2ba45a3e1f001f007b6c5910850f0100001629080a000000000000060947"), position("2019-01-19 18:26:25.000", true, 56.31952, 44.01423)); - // FLEX 2.0 - Array (1 message) verifyPositions(decoder, binary( "7e4101270000000b17b16b435c00a9000d4bb26b435caaa2030229f29201620500000000000093004493d53fee892d3e1f001f00ac6c591081f00000001700080a0000000000000609f2")); } -- cgit v1.2.3