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Posted to commits@plc4x.apache.org by ld...@apache.org on 2020/05/07 16:55:54 UTC
[plc4x] 01/01: First version of Link Layer Discovery Protocol
parser.
This is an automated email from the ASF dual-hosted git repository.
ldywicki pushed a commit to branch feature/link-layer-discovery-protocol
in repository https://gitbox.apache.org/repos/asf/plc4x.git
commit 629e248a7f7ee3cf2f0aab96efbc4d869a894983
Author: Łukasz Dywicki <lu...@code-house.org>
AuthorDate: Thu May 7 18:53:29 2020 +0200
First version of Link Layer Discovery Protocol parser.
---
.../plc4x/java/spi/generation/ReadBuffer.java | 2 +-
protocols/lldp/pom.xml | 43 +++++
.../apache/plc4x/protocol/lldp/LLDPProtocol.java | 46 +++++
...e.plc4x.plugins.codegenerator.protocol.Protocol | 19 ++
.../src/main/resources/protocols/lldp/lldp.mspec | 207 +++++++++++++++++++++
protocols/pom.xml | 1 +
sandbox/pom.xml | 1 +
sandbox/test-java-lldp-driver/pom.xml | 163 ++++++++++++++++
.../java/org/apache/plc4x/java/lldp/LLDPUtil.java | 90 +++++++++
.../apache/plc4x/java/lldp/ProfinetTLVTest.java | 33 ++++
.../apache/plc4x/java/lldp/StandardTLVTest.java | 33 ++++
.../test/resources/testsuite/ProfinetTLVTest.xml | 67 +++++++
.../test/resources/testsuite/StandardTLVTest.xml | 181 ++++++++++++++++++
13 files changed, 885 insertions(+), 1 deletion(-)
diff --git a/plc4j/spi/src/main/java/org/apache/plc4x/java/spi/generation/ReadBuffer.java b/plc4j/spi/src/main/java/org/apache/plc4x/java/spi/generation/ReadBuffer.java
index a9087f9..be6ab43 100644
--- a/plc4j/spi/src/main/java/org/apache/plc4x/java/spi/generation/ReadBuffer.java
+++ b/plc4j/spi/src/main/java/org/apache/plc4x/java/spi/generation/ReadBuffer.java
@@ -61,7 +61,7 @@ public class ReadBuffer {
}
public boolean hasMore(int numBits) {
- return (numBits / 8) < (totalBytes - getPos());
+ return (numBits / 8) <= (totalBytes - getPos());
}
public byte peekByte(int offset) throws ParseException {
diff --git a/protocols/lldp/pom.xml b/protocols/lldp/pom.xml
new file mode 100644
index 0000000..82554a0
--- /dev/null
+++ b/protocols/lldp/pom.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you 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.
+ -->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.plc4x</groupId>
+ <artifactId>plc4x-protocols</artifactId>
+ <version>0.7.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>plc4x-protocols-lldp</artifactId>
+
+ <name>Protocols: LLDP</name>
+ <description>Base protocol specifications for the LLDP protocol</description>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.plc4x</groupId>
+ <artifactId>plc4x-build-utils-protocol-base-mspec</artifactId>
+ <version>0.7.0-SNAPSHOT</version>
+ </dependency>
+ </dependencies>
+
+</project>
\ No newline at end of file
diff --git a/protocols/lldp/src/main/java/org/apache/plc4x/protocol/lldp/LLDPProtocol.java b/protocols/lldp/src/main/java/org/apache/plc4x/protocol/lldp/LLDPProtocol.java
new file mode 100644
index 0000000..cf3cb49
--- /dev/null
+++ b/protocols/lldp/src/main/java/org/apache/plc4x/protocol/lldp/LLDPProtocol.java
@@ -0,0 +1,46 @@
+/*
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you 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.apache.plc4x.protocol.lldp;
+
+import org.apache.plc4x.plugins.codegenerator.language.mspec.parser.MessageFormatParser;
+import org.apache.plc4x.plugins.codegenerator.protocol.Protocol;
+import org.apache.plc4x.plugins.codegenerator.types.definitions.TypeDefinition;
+import org.apache.plc4x.plugins.codegenerator.types.exceptions.GenerationException;
+
+import java.io.InputStream;
+import java.util.Map;
+
+public class LLDPProtocol implements Protocol {
+
+ @Override
+ public String getName() {
+ return "lldp";
+ }
+
+ @Override
+ public Map<String, TypeDefinition> getTypeDefinitions() throws GenerationException {
+ InputStream schemaInputStream = LLDPProtocol.class.getResourceAsStream("/protocols/lldp/lldp.mspec");
+ if(schemaInputStream == null) {
+ throw new GenerationException("Error loading message-format schema for protocol '" + getName() + "'");
+ }
+ return new MessageFormatParser().parse(schemaInputStream);
+ }
+
+}
diff --git a/protocols/lldp/src/main/resources/META-INF/services/org.apache.plc4x.plugins.codegenerator.protocol.Protocol b/protocols/lldp/src/main/resources/META-INF/services/org.apache.plc4x.plugins.codegenerator.protocol.Protocol
new file mode 100644
index 0000000..a0f30ec
--- /dev/null
+++ b/protocols/lldp/src/main/resources/META-INF/services/org.apache.plc4x.plugins.codegenerator.protocol.Protocol
@@ -0,0 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you 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.
+#
+org.apache.plc4x.protocol.lldp.LLDPProtocol
\ No newline at end of file
diff --git a/protocols/lldp/src/main/resources/protocols/lldp/lldp.mspec b/protocols/lldp/src/main/resources/protocols/lldp/lldp.mspec
new file mode 100644
index 0000000..d5eec13
--- /dev/null
+++ b/protocols/lldp/src/main/resources/protocols/lldp/lldp.mspec
@@ -0,0 +1,207 @@
+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you 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.
+//
+
+// LLDP stands for Link Layer Discovery Protocol, it is a layer over ethernet frame which allows to communicate state of
+// network enabled devices, but not only.
+// Some parts of standard are available online:
+// https://standards.ieee.org/standard/802_1AB-2016.html
+
+[type 'LLDP'
+ [array TLV 'tlv' terminated 'STATIC_CALL("org.apache.plc4x.java.lldp.LLDPUtil.hasMore", io)']
+]
+
+[type 'TLV'
+ [discriminator uint 7 'tlvType' ]
+ [typeSwitch 'tlvType'
+ ['0x00' EndTLV
+ [reserved uint 9 '0x0' ]
+ ]
+ ['0x01' ChassisIdTLV
+ [simple uint 9 'len' ]
+ [enum ChassisIdType 'chassisIdType' ]
+ [simple Text 'chassisId' ['len - 1']]
+ ]
+ ['0x02' PortIdTLV
+ [simple uint 9 'len' ]
+ [enum PortIdType 'portIdType' ]
+ [simple Text 'portId' ['len - 1']]
+ ]
+ ['0x03' TimeToLiveTLV
+ [simple uint 9 'len' ]
+ [simple TTL 'ttl' ['len']]
+ ]
+ ['0x04' PortDescriptionTLV
+ [simple uint 9 'len' ]
+ [simple Text 'description' ['len']]
+ ]
+ ['0x05' SystemNameTLV
+ [simple uint 9 'len' ]
+ [simple Text 'name' ['len']]
+ ]
+ ['0x06' SystemDescriptionTLV
+ [simple uint 9 'len' ]
+ [simple Text 'description' ['len']]
+ ]
+ ['0x07' SystemCapabilitiesTLV
+ [simple SystemCapabilitiesValueBlock 'systemCapabilities']
+ [simple SystemCapabilitiesValueBlock 'enabledCapabilities']
+ ]
+ ['0x08' ManagementAddressTLV
+ [simple uint 9 'len' ]
+ [simple uint 8 'addressLength' ]
+ [simple uint 8 'addressSubType' ]
+ [simple IPv4Address 'ip' ]
+ [simple uint 8 'interfaceType' ]
+ [simple uint 32 'interfaceNumber' ]
+ [simple uint 8 'oid' ]
+ [simple Value 'objectIdentifier' ['oid']]
+ ]
+ ['0x7F' CustomTLV
+ [simple uint 9 'len' ]
+ [simple CustomTLVBlock 'custom' ['len']]
+ ]
+ [UnknownTLV
+ [simple uint 9 'len' ]
+ [array int 8 'data' length 'len' ]
+ ]
+ ]
+]
+
+[discriminatedType 'CustomTLVBlock' [uint 9 'len']
+ [discriminator uint 24 'oui' ]
+ [typeSwitch 'oui'
+ ['0x000ECF' ProfinetTLV
+ [simple ProfinetDataBlock 'profinet' ['len']]
+ ]
+ [UnknownCustomSubTLV
+ [simple uint 8 'subType' ]
+ [simple Value 'data' ['len - 4' ]]
+ ]
+ ]
+]
+
+[type 'ProfinetDataBlock' [uint 9 'len']
+ [discriminator uint 8 'subType' ]
+ [typeSwitch 'subType'
+ ['0x02' ProfinetPort
+ [enum RTClass2PortStatus 'rtClass2' ]
+ [enum RTClass3PortStatus 'rtClass3' ]
+ // there is some additional section, but can't determine available fields, it is 3 bits from rtClass3 status
+ // plus additional 13 bits to form two bytes.
+ [reserved uint 13 '0x00' ]
+ ]
+ ['0x05' ProfinetChassisMac
+ [simple MacAddress 'mac' ]
+ ]
+ [UnknownProfinetDataBlock
+ [simple Value 'data' ['len - 4' ]]
+ ]
+ ]
+]
+
+[type 'MacAddress'
+ [simple uint 8 'octet1' ]
+ [simple uint 8 'octet2' ]
+ [simple uint 8 'octet3' ]
+ [simple uint 8 'octet4' ]
+ [simple uint 8 'octet5' ]
+ [simple uint 8 'octet6' ]
+]
+
+[type 'IPv4Address'
+ [simple uint 8 'octet1' ]
+ [simple uint 8 'octet2' ]
+ [simple uint 8 'octet3' ]
+ [simple uint 8 'octet4' ]
+]
+
+[type 'SystemCapabilitiesValueBlock'
+ [simple bit 'other' ]
+ [simple bit 'repeater' ]
+ [simple bit 'bridge' ]
+ [simple bit 'wlanAccessPoint' ]
+ [simple bit 'router' ]
+ [simple bit 'telephone' ]
+ [simple bit 'docsisCableDevice' ]
+ [simple bit 'stationOnly' ]
+ [simple bit 'cVLANComponent' ]
+ [simple bit 'sVLANComponent' ]
+ [simple bit 'twoPortMACRelay' ]
+]
+
+[enum uint 8 'ChassisIdType'
+ ['0x01' CHASSIS_COMPONENT ]
+ ['0x02' INTERFACE_ALIAS ]
+ ['0x03' PORT_COMPONENT ]
+ ['0x04' MAC_ADDRESS ]
+ ['0x05' NETWORK_ADDRESS ]
+ ['0x06' INTERFACE_NAME ]
+ ['0x07' LOCAL ]
+]
+
+[enum uint 8 'PortIdType'
+ ['0x01' INTERFACE_ALIAS ]
+ ['0x01' PORT_COMPONENT ]
+ ['0x03' MAC_ADDRESS ]
+ ['0x04' NETWORK_ADDRESS ]
+ ['0x05' INTERFACE_NAME ]
+ ['0x06' AGENT_CIRCUIT_ID ]
+ ['0x07' LOCAL ]
+]
+
+
+[enum uint 16 'RTClass2PortStatus'
+ ['0x0000' OFF]
+ ['0x0001' ON ]
+]
+
+[enum uint 3 'RTClass3PortStatus'
+ ['0x00' OFF ]
+ ['0x01' RESERVED ]
+ ['0x02' UP ]
+ ['0x03' DOWN ]
+ ['0x04' RUN ]
+]
+
+[type 'ValueBlock'
+ [simple uint 9 'len']
+ [array uint 8 'data' length 'len']
+]
+
+[type 'Value' [uint 9 'len']
+ [array int 8 'data' length 'len']
+]
+
+[type 'Text' [uint 9 'len']
+ // fixme _type.encoding doesn't work for readString call, it ends up with " sequence in generated Java
+ [manual string 'UTF-8' 'text'
+ 'STATIC_CALL("org.apache.plc4x.java.lldp.LLDPUtil.readString", io, len)'
+ 'STATIC_CALL("org.apache.plc4x.java.lldp.LLDPUtil.writeString", io, _value, _type.encoding)'
+ 'STATIC_CALL("org.apache.plc4x.java.lldp.LLDPUtil.length", text)'
+ ]
+]
+
+[type 'TTL' [uint 9 'len']
+ // fixme Use a duration type instead!
+ [manual time 'value'
+ 'STATIC_CALL("org.apache.plc4x.java.lldp.LLDPUtil.readTime", io, len)'
+ 'STATIC_CALL("org.apache.plc4x.java.lldp.LLDPUtil.writeTime", io, _value)'
+ 'STATIC_CALL("org.apache.plc4x.java.lldp.LLDPUtil.byteLength", value)'
+ ]
+]
\ No newline at end of file
diff --git a/protocols/pom.xml b/protocols/pom.xml
index ae81b26..94a96f2 100644
--- a/protocols/pom.xml
+++ b/protocols/pom.xml
@@ -41,6 +41,7 @@
<module>eip</module>
<module>firmata</module>
<module>knxnetip</module>
+ <module>lldp</module>
<module>modbus</module>
<module>s7</module>
</modules>
diff --git a/sandbox/pom.xml b/sandbox/pom.xml
index 0e88e59..1853bdb 100644
--- a/sandbox/pom.xml
+++ b/sandbox/pom.xml
@@ -41,6 +41,7 @@
<module>test-java-amsads-driver</module>
<module>test-java-bacnetip-driver</module>
<module>test-java-df1-driver</module>
+ <module>test-java-lldp-driver</module>
<module>test-streampipes-plc4x-adapters</module>
<module>test-streampipes-plc4x-processors</module>
diff --git a/sandbox/test-java-lldp-driver/pom.xml b/sandbox/test-java-lldp-driver/pom.xml
new file mode 100644
index 0000000..72b4189
--- /dev/null
+++ b/sandbox/test-java-lldp-driver/pom.xml
@@ -0,0 +1,163 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you 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.
+ -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.plc4x.sandbox</groupId>
+ <artifactId>plc4x-sandbox</artifactId>
+ <version>0.7.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>test-java-lldp-driver</artifactId>
+
+ <name>Sandbox: Test Generated LLDP Driver</name>
+ <description>Basic implementation of link layer discovery protocol.</description>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.plc4x.plugins</groupId>
+ <artifactId>plc4x-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>test</id>
+ <phase>generate-sources</phase>
+ <goals>
+ <goal>generate-driver</goal>
+ </goals>
+ <configuration>
+ <protocolName>lldp</protocolName>
+ <languageName>java</languageName>
+ <outputFlavor>read-write</outputFlavor>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.plc4x</groupId>
+ <artifactId>plc4j-api</artifactId>
+ <version>0.7.0-SNAPSHOT</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.plc4x</groupId>
+ <artifactId>plc4j-transport-tcp</artifactId>
+ <version>0.7.0-SNAPSHOT</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.plc4x</groupId>
+ <artifactId>plc4j-trannsport-serial</artifactId>
+ <version>0.7.0-SNAPSHOT</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.commons</groupId>
+ <artifactId>commons-configuration2</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>com.github.snksoft</groupId>
+ <artifactId>crc</artifactId>
+ </dependency>
+
+ <dependency>
+ <groupId>io.netty</groupId>
+ <artifactId>netty-buffer</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>com.fasterxml.jackson.core</groupId>
+ <artifactId>jackson-annotations</artifactId>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.plc4x</groupId>
+ <artifactId>plc4x-build-utils-language-java</artifactId>
+ <version>0.7.0-SNAPSHOT</version>
+ <!-- Scope is 'provided' as this way it's not shipped with the driver -->
+ <scope>provided</scope>
+ </dependency>
+
+ <!-- <!– https://mvnrepository.com/artifact/org.rxtx/rxtx –>
+ <dependency>
+ <groupId>org.rxtx</groupId>
+ <artifactId>rxtx</artifactId>
+ <version>2.1.7</version>
+ </dependency>-->
+
+ <dependency>
+ <groupId>com.github.purejavacomm</groupId>
+ <artifactId>purejavacomm</artifactId>
+ <version>1.0.2.RELEASE</version>
+ </dependency>
+
+ <!-- Logging -->
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-api</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>log4j-over-slf4j</artifactId>
+ <version>1.7.25</version>
+ </dependency>
+ <dependency>
+ <groupId>ch.qos.logback</groupId>
+ <artifactId>logback-classic</artifactId>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.plc4x</groupId>
+ <artifactId>plc4j-spi</artifactId>
+ <version>0.7.0-SNAPSHOT</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.plc4x</groupId>
+ <artifactId>plc4x-protocols-lldp</artifactId>
+ <version>0.7.0-SNAPSHOT</version>
+ <!-- Scope is 'provided' as this way it's not shipped with the driver -->
+ <scope>provided</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.plc4x</groupId>
+ <artifactId>plc4j-utils-test-utils</artifactId>
+ <version>0.7.0-SNAPSHOT</version>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>commons-codec</groupId>
+ <artifactId>commons-codec</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>com.fasterxml.jackson.dataformat</groupId>
+ <artifactId>jackson-dataformat-xml</artifactId>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+
+</project>
diff --git a/sandbox/test-java-lldp-driver/src/main/java/org/apache/plc4x/java/lldp/LLDPUtil.java b/sandbox/test-java-lldp-driver/src/main/java/org/apache/plc4x/java/lldp/LLDPUtil.java
new file mode 100644
index 0000000..0216459
--- /dev/null
+++ b/sandbox/test-java-lldp-driver/src/main/java/org/apache/plc4x/java/lldp/LLDPUtil.java
@@ -0,0 +1,90 @@
+/*
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you 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.apache.plc4x.java.lldp;
+
+import java.time.LocalTime;
+import org.apache.plc4x.java.lldp.readwrite.TTL;
+import org.apache.plc4x.java.lldp.readwrite.Text;
+import org.apache.plc4x.java.spi.generation.ParseException;
+import org.apache.plc4x.java.spi.generation.ReadBuffer;
+import org.apache.plc4x.java.spi.generation.WriteBuffer;
+
+/**
+ * Utility class which helps to handle more difficult parts of frame parsing related to variable length fields such as
+ * text and numbers.
+ */
+public class LLDPUtil {
+
+ public static boolean hasMore(ReadBuffer io) {
+ long length = io.getTotalBytes();
+ return io.getPos() + 2 > length;
+ }
+
+ public static String readString(ReadBuffer io, Integer len) {
+ return readString(io, len, "UTF-8");
+ }
+
+ public static String readString(ReadBuffer io, Integer len, String encoding) {
+ return io.readString(len * 8, encoding);
+ }
+
+ public static void writeString(WriteBuffer io, Text value, String encoding) throws ParseException {
+ io.writeString(value.getLengthInBits(), encoding, value.getText());
+ }
+
+ public static int length(String text) {
+ return text.length();
+ }
+
+ // FIXME what we really want here is a Duration
+ public static LocalTime readTime(ReadBuffer io, Integer numBytes) throws ParseException {
+ return LocalTime.ofSecondOfDay(io.readInt(numBytes * 8));
+ }
+
+ public static void writeTime(WriteBuffer io, TTL value) throws ParseException {
+ int seconds = value.getValue().toSecondOfDay();
+ int length = length(seconds);
+ if (length == 8) {
+ // fixme Do we really want this? We have length indication which should really match with actual field value
+ // append 0x0, so the test passes. Need to verify if there is a minimal length for a number written to TLV.
+ io.writeUnsignedInt(8, 0x0);
+ }
+ io.writeUnsignedInt(length, seconds);
+ }
+
+ public static int length(LocalTime value) {
+ return length(value.toSecondOfDay());
+ }
+
+ public static int length(int value) {
+ if (value <= 255) {
+ return 8;
+ } else if (value <= 65535) {
+ return 16;
+ } else if (value <= 16777215) {
+ return 24;
+ }
+ return 32;
+ }
+
+ public static int byteLength(LocalTime value) {
+ return length(value) / 4;
+ }
+}
diff --git a/sandbox/test-java-lldp-driver/src/test/java/org/apache/plc4x/java/lldp/ProfinetTLVTest.java b/sandbox/test-java-lldp-driver/src/test/java/org/apache/plc4x/java/lldp/ProfinetTLVTest.java
new file mode 100644
index 0000000..9db4584
--- /dev/null
+++ b/sandbox/test-java-lldp-driver/src/test/java/org/apache/plc4x/java/lldp/ProfinetTLVTest.java
@@ -0,0 +1,33 @@
+/*
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you 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.apache.plc4x.java.lldp;
+
+import org.apache.plc4x.test.parserserializer.ParserSerializerTestsuiteRunner;
+
+/**
+ * Test for profinet specific extensions available through LLDP custom tlvs with organization code 0x000ECF.
+ */
+public class ProfinetTLVTest extends ParserSerializerTestsuiteRunner {
+
+ public ProfinetTLVTest() {
+ super("/testsuite/ProfinetTLVTest.xml");
+ }
+
+}
diff --git a/sandbox/test-java-lldp-driver/src/test/java/org/apache/plc4x/java/lldp/StandardTLVTest.java b/sandbox/test-java-lldp-driver/src/test/java/org/apache/plc4x/java/lldp/StandardTLVTest.java
new file mode 100644
index 0000000..971975f
--- /dev/null
+++ b/sandbox/test-java-lldp-driver/src/test/java/org/apache/plc4x/java/lldp/StandardTLVTest.java
@@ -0,0 +1,33 @@
+/*
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you 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.apache.plc4x.java.lldp;
+
+import org.apache.plc4x.test.parserserializer.ParserSerializerTestsuiteRunner;
+
+/**
+ * Test of standard LLDP tlv's which are present in most of the cases.
+ */
+public class StandardTLVTest extends ParserSerializerTestsuiteRunner {
+
+ public StandardTLVTest() {
+ super("/testsuite/StandardTLVTest.xml");
+ }
+
+}
diff --git a/sandbox/test-java-lldp-driver/src/test/resources/testsuite/ProfinetTLVTest.xml b/sandbox/test-java-lldp-driver/src/test/resources/testsuite/ProfinetTLVTest.xml
new file mode 100644
index 0000000..53a5964
--- /dev/null
+++ b/sandbox/test-java-lldp-driver/src/test/resources/testsuite/ProfinetTLVTest.xml
@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you 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.
+ -->
+<test:testsuite xmlns:test="https://plc4x.apache.org/schemas/parser-serializer-testsuite.xsd" bigEndian="true">
+
+ <!--
+ Below test suite covers profinet specific CustomTLV entries.
+ -->
+ <name>LLDPFrame</name>
+
+ <testcase>
+ <name>LLDP: Profinet Port Status TLV</name>
+ <raw>fe08000ecf0200000000</raw>
+ <root-type>TLV</root-type>
+ <xml>
+ <CustomTLV className="org.apache.plc4x.java.lldp.readwrite.CustomTLV">
+ <len>8</len>
+ <custom className="org.apache.plc4x.java.lldp.readwrite.ProfinetTLV">
+ <profinet className="org.apache.plc4x.java.lldp.readwrite.ProfinetPort">
+ <rtClass2>OFF</rtClass2>
+ <rtClass3>OFF</rtClass3>
+ </profinet>
+ </custom>
+ </CustomTLV>
+ </xml>
+ </testcase>
+
+ <testcase>
+ <name>LLDP: Profinet Chassis MAC</name>
+ <raw>fe0a000ecf05e0dca0587da9</raw>
+ <root-type>TLV</root-type>
+ <xml>
+ <CustomTLV className="org.apache.plc4x.java.lldp.readwrite.CustomTLV">
+ <len>10</len>
+ <custom className="org.apache.plc4x.java.lldp.readwrite.ProfinetTLV">
+ <profinet className="org.apache.plc4x.java.lldp.readwrite.ProfinetChassisMac">
+ <mac className="org.apache.plc4x.java.lldp.readwrite.MacAddress">
+ <octet1>224</octet1>
+ <octet2>220</octet2>
+ <octet3>160</octet3>
+ <octet4>88</octet4>
+ <octet5>125</octet5>
+ <octet6>169</octet6>
+ </mac>
+ </profinet>
+ </custom>
+ </CustomTLV>
+ </xml>
+ </testcase>
+
+</test:testsuite>
\ No newline at end of file
diff --git a/sandbox/test-java-lldp-driver/src/test/resources/testsuite/StandardTLVTest.xml b/sandbox/test-java-lldp-driver/src/test/resources/testsuite/StandardTLVTest.xml
new file mode 100644
index 0000000..28ded08
--- /dev/null
+++ b/sandbox/test-java-lldp-driver/src/test/resources/testsuite/StandardTLVTest.xml
@@ -0,0 +1,181 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you 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.
+ -->
+<test:testsuite xmlns:test="https://plc4x.apache.org/schemas/parser-serializer-testsuite.xsd" bigEndian="true">
+
+ <!--
+ Below test suite covers standard part of LLDP standard.
+ -->
+ <name>LLDPFrame</name>
+
+ <testcase>
+ <name>LLDP: Chassis Id</name>
+ <raw>02510753372d313230302020202020202020202020202020202020202036455337203231322d31424534302d3058423020205320562d4b4f414332323134202020202020202020372056202034202032202031</raw>
+ <root-type>TLV</root-type>
+ <xml>
+ <ChassisIdTLV className="org.apache.plc4x.java.lldp.readwrite.ChassisIdTLV">
+ <len>81</len>
+ <chassisIdType>LOCAL</chassisIdType>
+ <chassisId className="org.apache.plc4x.java.lldp.readwrite.Text">
+ <text>S7-1200 6ES7 212-1BE40-0XB0 S V-KOAC2214 7 V 4 2 1</text>
+ </chassisId>
+ </ChassisIdTLV>
+ </xml>
+ </testcase>
+
+ <testcase>
+ <name>LLDP: PortId</name>
+ <raw>041407706f72742d3030312e706c6378623164306564</raw>
+ <root-type>TLV</root-type>
+ <xml>
+ <PortIdTLV className="org.apache.plc4x.java.lldp.readwrite.PortIdTLV">
+ <len>20</len>
+ <portIdType>LOCAL</portIdType>
+ <portId className="org.apache.plc4x.java.lldp.readwrite.Text">
+ <text>port-001.plcxb1d0ed</text>
+ </portId>
+ </PortIdTLV>
+ </xml>
+ </testcase>
+
+ <testcase>
+ <name>LLDP: Time To Live</name>
+ <raw>06020014</raw>
+ <root-type>TLV</root-type>
+ <xml>
+ <TimeToLiveTLV className="org.apache.plc4x.java.lldp.readwrite.TimeToLiveTLV">
+ <len>2</len>
+ <ttl className="org.apache.plc4x.java.lldp.readwrite.TTL">
+ <value>
+ <hour>0</hour>
+ <minute>0</minute>
+ <second>20</second>
+ <nano>0</nano>
+ </value>
+ </ttl>
+ </TimeToLiveTLV>
+ </xml>
+ </testcase>
+
+ <testcase>
+ <name>LLDP: Port Description</name>
+ <raw>08295369656d656e732c2053494d415449432053372c2045746865726e657420506f72742c205831205031</raw>
+ <root-type>TLV</root-type>
+ <xml>
+ <PortDescriptionTLV className="org.apache.plc4x.java.lldp.readwrite.PortDescriptionTLV">
+ <len>41</len>
+ <description className="org.apache.plc4x.java.lldp.readwrite.Text">
+ <text>Siemens, SIMATIC S7, Ethernet Port, X1 P1</text>
+ </description>
+ </PortDescriptionTLV>
+ </xml>
+ </testcase>
+
+ <testcase>
+ <name>LLDP: System Name</name>
+ <raw>0a0f4445534b544f502d4f4d3138565139</raw>
+ <root-type>TLV</root-type>
+ <xml>
+ <SystemNameTLV className="org.apache.plc4x.java.lldp.readwrite.SystemNameTLV">
+ <len>15</len>
+ <name className="org.apache.plc4x.java.lldp.readwrite.Text">
+ <text>DESKTOP-OM18VQ9</text>
+ </name>
+ </SystemNameTLV>
+ </xml>
+ </testcase>
+
+ <testcase>
+ <name>LLDP: System Description</name>
+ <raw>0c545369656d656e732c2053494d415449432053372c204350552d313230302c2036455337203231322d31424534302d305842302c2048573a20372c2046573a20562e342e322e312c205320562d4b4f414332323134</raw>
+ <root-type>TLV</root-type>
+ <xml>
+ <SystemDescriptionTLV className="org.apache.plc4x.java.lldp.readwrite.SystemDescriptionTLV">
+ <len>84</len>
+ <description className="org.apache.plc4x.java.lldp.readwrite.Text">
+ <text>Siemens, SIMATIC S7, CPU-1200, 6ES7 212-1BE40-0XB0, HW: 7, FW: V.4.2.1, S V-KOAC2214</text>
+ </description>
+ </SystemDescriptionTLV>
+ </xml>
+ </testcase>
+
+ <!--
+ <testcase>
+ <name>LLDP: Capabilities</name>
+ <raw>0e0400840084</raw>
+ <root-type>TLV</root-type>
+ <xml>
+ <SystemCapabilitiesTLV className="org.apache.plc4x.java.lldp.readwrite.SystemCapabilitiesTLV">
+ <systemCapabilities className="org.apache.plc4x.java.lldp.readwrite.SystemCapabilitiesValueBlock">
+ <other>false</other>
+ <repeater>false</repeater>
+ <bridge>false</bridge>
+ <wlanAccessPoint>false</wlanAccessPoint>
+ <router>false</router>
+ <telephone>false</telephone>
+ <docsisCableDevice>true</docsisCableDevice>
+ <stationOnly>false</stationOnly>
+ <twoPortMACRelay>false</twoPortMACRelay>
+ <cvlancomponent>false</cvlancomponent>
+ <svlancomponent>false</svlancomponent>
+ </systemCapabilities>
+ <enabledCapabilities className="org.apache.plc4x.java.lldp.readwrite.SystemCapabilitiesValueBlock">
+ <other>false</other>
+ <repeater>false</repeater>
+ <bridge>false</bridge>
+ <wlanAccessPoint>false</wlanAccessPoint>
+ <router>false</router>
+ <telephone>false</telephone>
+ <docsisCableDevice>true</docsisCableDevice>
+ <stationOnly>false</stationOnly>
+ <twoPortMACRelay>false</twoPortMACRelay>
+ <cvlancomponent>false</cvlancomponent>
+ <svlancomponent>false</svlancomponent>
+ </enabledCapabilities>
+ </SystemCapabilitiesTLV>
+ </xml>
+ </testcase>
+ -->
+
+ <testcase>
+ <name>LLDP: Management Address</name>
+ <raw>10140501c0a802f10200000001082b0601040181c06e</raw>
+ <root-type>TLV</root-type>
+ <xml>
+ <ManagementAddressTLV className="org.apache.plc4x.java.lldp.readwrite.ManagementAddressTLV">
+ <len>20</len>
+ <addressLength>5</addressLength>
+ <addressSubType>1</addressSubType>
+ <ip className="org.apache.plc4x.java.lldp.readwrite.IPv4Address">
+ <octet1>192</octet1>
+ <octet2>168</octet2>
+ <octet3>2</octet3>
+ <octet4>241</octet4>
+ </ip>
+ <interfaceType>2</interfaceType>
+ <interfaceNumber>1</interfaceNumber>
+ <oid>8</oid>
+ <objectIdentifier className="org.apache.plc4x.java.lldp.readwrite.Value">
+ <data>KwYBBAGBwG4=</data>
+ </objectIdentifier>
+ </ManagementAddressTLV>
+ </xml>
+ </testcase>
+
+</test:testsuite>
\ No newline at end of file