commit d34978037fc2438c4e00c8ff1120ab6ff80d609e Author: Terekhin Alexandr Date: Wed Sep 28 10:16:10 2022 +0300 feat: YABL_BOARD-107 Stub server diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..c2065bc --- /dev/null +++ b/.gitignore @@ -0,0 +1,37 @@ +HELP.md +.gradle +build/ +!gradle/wrapper/gradle-wrapper.jar +!**/src/main/**/build/ +!**/src/test/**/build/ + +### STS ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache +bin/ +!**/src/main/**/bin/ +!**/src/test/**/bin/ + +### IntelliJ IDEA ### +.idea +*.iws +*.iml +*.ipr +out/ +!**/src/main/**/out/ +!**/src/test/**/out/ + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ + +### VS Code ### +.vscode/ diff --git a/build.gradle b/build.gradle new file mode 100644 index 0000000..9d0dc3d --- /dev/null +++ b/build.gradle @@ -0,0 +1,23 @@ +plugins { + id 'java' + id "io.freefair.lombok" version "5.3.0" + id 'org.springframework.boot' version '2.7.4' + id 'io.spring.dependency-management' version '1.0.14.RELEASE' +} + +group 'org.example' +version '1.0-SNAPSHOT' + +repositories { + mavenCentral() +} + +dependencies { + implementation group: 'eu.chargetime.ocpp', name: 'v1_6', version: '1.0.1' + implementation 'org.springframework.boot:spring-boot-starter' + testImplementation 'org.springframework.boot:spring-boot-starter-test' +} + +test { + useJUnitPlatform() +} \ No newline at end of file diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..249e583 Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..8049c68 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100755 index 0000000..a69d9cb --- /dev/null +++ b/gradlew @@ -0,0 +1,240 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# 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 +# +# https://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. +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit + +APP_NAME="Gradle" +APP_BASE_NAME=${0##*/} + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + +# Collect all arguments for the java command; +# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of +# shell script including quotes and variable substitutions, so put them in +# double quotes to make sure that they get re-expanded; and +# * put everything else in single quotes, so that it's not re-expanded. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/lombok.config b/lombok.config new file mode 100644 index 0000000..6aa51d7 --- /dev/null +++ b/lombok.config @@ -0,0 +1,2 @@ +# This file is generated by the 'io.freefair.lombok' Gradle plugin +config.stopBubbling = true diff --git a/settings.gradle b/settings.gradle new file mode 100644 index 0000000..70c3bdd --- /dev/null +++ b/settings.gradle @@ -0,0 +1 @@ +rootProject.name = 'ocppstub' diff --git a/src/main/java/com/yablochkov/ocppstub/BootService.java b/src/main/java/com/yablochkov/ocppstub/BootService.java new file mode 100644 index 0000000..078d027 --- /dev/null +++ b/src/main/java/com/yablochkov/ocppstub/BootService.java @@ -0,0 +1,50 @@ +package com.yablochkov.ocppstub; + +import eu.chargetime.ocpp.model.core.*; +import lombok.RequiredArgsConstructor; +import lombok.extern.slf4j.Slf4j; +import org.springframework.stereotype.Service; + +import java.nio.charset.StandardCharsets; +import java.time.ZonedDateTime; +import java.util.Base64; +import java.util.UUID; + +@Slf4j +@Service +@RequiredArgsConstructor +public class BootService { + private final static int PASSWD = 1; + private final static int INTERVAL_SEC = 10; + + private final SessionService sessionService; + + public BootNotificationConfirmation handle(UUID sessionIndex, BootNotificationRequest request) { + String auth = sessionService.getAuthBySessionId(sessionIndex); + String passwd = getPasswd(auth); + + if (passwd != null) { + log.info("Accept boot request {}", sessionIndex); + return createResponse(RegistrationStatus.Accepted); + } + + log.info("Pending boot request {}", sessionIndex); + return createResponse(RegistrationStatus.Pending); + } + + private String getPasswd(String basic) { + if (basic != null && !basic.isEmpty()) { + byte[] credDecoded = Base64.getDecoder().decode(basic.substring("Basic ".length())); + String credentials = new String(credDecoded, StandardCharsets.UTF_8); + if (credentials.contains(":")) { + String[] parsedCredential = credentials.split(":", 2); + return parsedCredential[PASSWD]; + } + } + return null; + } + + private BootNotificationConfirmation createResponse(RegistrationStatus status) { + return new BootNotificationConfirmation(ZonedDateTime.now(), INTERVAL_SEC, status); + } +} diff --git a/src/main/java/com/yablochkov/ocppstub/ConfigService.java b/src/main/java/com/yablochkov/ocppstub/ConfigService.java new file mode 100644 index 0000000..4976641 --- /dev/null +++ b/src/main/java/com/yablochkov/ocppstub/ConfigService.java @@ -0,0 +1,49 @@ +package com.yablochkov.ocppstub; + +import eu.chargetime.ocpp.feature.profile.ServerCoreProfile; +import eu.chargetime.ocpp.model.core.*; +import lombok.extern.slf4j.Slf4j; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.context.annotation.Lazy; +import org.springframework.stereotype.Service; + +import java.util.UUID; + +@Slf4j +@Service +public class ConfigService { + private final static String DEFAULT_KEY = "0001020304050607FFFFFFFFFFFFFFFFFFFFFFFF"; + @Lazy + @Autowired private OcppStub server; + @Lazy + @Autowired private ServerCoreProfile coreProfile; + + public void sengConfig(UUID sessionIndex) { + log.info("Sending configuration"); + ChangeConfigurationRequest configurationRequest = coreProfile + .createChangeConfigurationRequest("AuthorizationKey", DEFAULT_KEY); + + try { + server.send(sessionIndex, configurationRequest) + .thenApply(confirmation -> { + log.debug("Get confirmation"); + if (confirmation instanceof ChangeConfigurationConfirmation) { + log.debug("Confirmation type is ChangeConfigurationConfirmation"); + ConfigurationStatus status = ((ChangeConfigurationConfirmation) confirmation).getStatus(); + if (status == ConfigurationStatus.Accepted) { + log.debug("Confirmation status is accepted"); + return Void.TYPE; + } + } + log.error("Charge point don't confirm password change"); + throw new RuntimeException("CP don't confirm pass change"); + }) + .thenRunAsync(() -> { + log.info("Closing session {}", sessionIndex); + server.closeSession(sessionIndex); + }); + } catch (Exception e) { + log.error("Exception on ChangeConfiguration", e); + } + } +} diff --git a/src/main/java/com/yablochkov/ocppstub/ConnectorStatusService.java b/src/main/java/com/yablochkov/ocppstub/ConnectorStatusService.java new file mode 100644 index 0000000..1fe4eb3 --- /dev/null +++ b/src/main/java/com/yablochkov/ocppstub/ConnectorStatusService.java @@ -0,0 +1,16 @@ +package com.yablochkov.ocppstub; + +import eu.chargetime.ocpp.model.core.StatusNotificationConfirmation; +import eu.chargetime.ocpp.model.core.StatusNotificationRequest; +import lombok.extern.slf4j.Slf4j; +import org.springframework.stereotype.Service; + +import java.util.UUID; + +@Slf4j +@Service +public class ConnectorStatusService { + public StatusNotificationConfirmation handle(UUID sessionIndex, StatusNotificationRequest request) { + return new StatusNotificationConfirmation(); + } +} diff --git a/src/main/java/com/yablochkov/ocppstub/EventHandler.java b/src/main/java/com/yablochkov/ocppstub/EventHandler.java new file mode 100644 index 0000000..779d316 --- /dev/null +++ b/src/main/java/com/yablochkov/ocppstub/EventHandler.java @@ -0,0 +1,74 @@ +package com.yablochkov.ocppstub; + +import eu.chargetime.ocpp.ServerEvents; +import eu.chargetime.ocpp.feature.profile.ServerCoreEventHandler; +import eu.chargetime.ocpp.model.SessionInformation; +import eu.chargetime.ocpp.model.core.*; +import lombok.RequiredArgsConstructor; +import org.springframework.stereotype.Component; + +import java.util.UUID; + +@Component +@RequiredArgsConstructor +public class EventHandler implements ServerCoreEventHandler, ServerEvents { + private final SessionService sessionService; + private final BootService bootService; + private final HeartbeatService heartbeatService; + private final ConfigService configService; + private final ConnectorStatusService connectorService; + + @Override + public AuthorizeConfirmation handleAuthorizeRequest(UUID sessionIndex, AuthorizeRequest request) { + return null; + } + + @Override + public BootNotificationConfirmation handleBootNotificationRequest(UUID sessionIndex, BootNotificationRequest request) { + BootNotificationConfirmation response = bootService.handle(sessionIndex, request); + if (response.getStatus() == RegistrationStatus.Pending) { + configService.sengConfig(sessionIndex); + } + return response; + } + + @Override + public DataTransferConfirmation handleDataTransferRequest(UUID sessionIndex, DataTransferRequest request) { + return null; + } + + @Override + public HeartbeatConfirmation handleHeartbeatRequest(UUID sessionIndex, HeartbeatRequest request) { + return heartbeatService.handle(sessionIndex, request); + } + + @Override + public MeterValuesConfirmation handleMeterValuesRequest(UUID sessionIndex, MeterValuesRequest request) { + return null; + } + + @Override + public StartTransactionConfirmation handleStartTransactionRequest(UUID sessionIndex, StartTransactionRequest request) { + return null; + } + + @Override + public StatusNotificationConfirmation handleStatusNotificationRequest(UUID sessionIndex, StatusNotificationRequest request) { + return connectorService.handle(sessionIndex, request); + } + + @Override + public StopTransactionConfirmation handleStopTransactionRequest(UUID sessionIndex, StopTransactionRequest request) { + return null; + } + + @Override + public void newSession(UUID sessionIndex, SessionInformation information) { + sessionService.register(sessionIndex, information); + } + + @Override + public void lostSession(UUID sessionIndex) { + sessionService.unregister(sessionIndex); + } +} diff --git a/src/main/java/com/yablochkov/ocppstub/HeartbeatService.java b/src/main/java/com/yablochkov/ocppstub/HeartbeatService.java new file mode 100644 index 0000000..d50596c --- /dev/null +++ b/src/main/java/com/yablochkov/ocppstub/HeartbeatService.java @@ -0,0 +1,18 @@ +package com.yablochkov.ocppstub; + +import eu.chargetime.ocpp.model.core.HeartbeatConfirmation; +import eu.chargetime.ocpp.model.core.HeartbeatRequest; +import lombok.extern.slf4j.Slf4j; +import org.springframework.stereotype.Service; + +import java.time.ZonedDateTime; +import java.util.UUID; + +@Service +@Slf4j +public class HeartbeatService { + public HeartbeatConfirmation handle(UUID sessionIndex, HeartbeatRequest request) { + log.debug("Heartbeat for session {}", sessionIndex); + return new HeartbeatConfirmation(ZonedDateTime.now()); + } +} diff --git a/src/main/java/com/yablochkov/ocppstub/OcppStub.java b/src/main/java/com/yablochkov/ocppstub/OcppStub.java new file mode 100644 index 0000000..76cdc27 --- /dev/null +++ b/src/main/java/com/yablochkov/ocppstub/OcppStub.java @@ -0,0 +1,35 @@ +package com.yablochkov.ocppstub; + +import eu.chargetime.ocpp.NotConnectedException; +import eu.chargetime.ocpp.OccurenceConstraintException; +import eu.chargetime.ocpp.UnsupportedFeatureException; +import eu.chargetime.ocpp.YablJSONServer; +import eu.chargetime.ocpp.model.Confirmation; +import eu.chargetime.ocpp.model.Request; +import lombok.RequiredArgsConstructor; +import org.springframework.stereotype.Component; + +import javax.annotation.PostConstruct; +import java.util.UUID; +import java.util.concurrent.CompletionStage; + +@Component +@RequiredArgsConstructor +public class OcppStub { + private final EventHandler eventHandler; + private final YablJSONServer server; + + @PostConstruct + private void Init() { + server.open("0.0.0.0", 8080, eventHandler); + } + + public CompletionStage send(UUID sessionIndex, Request request) + throws OccurenceConstraintException, UnsupportedFeatureException, NotConnectedException { + return server.send(sessionIndex, request); + } + + public void closeSession(UUID sessionIndex) { + server.closeSession(sessionIndex); + } +} diff --git a/src/main/java/com/yablochkov/ocppstub/OcppStubApplication.java b/src/main/java/com/yablochkov/ocppstub/OcppStubApplication.java new file mode 100644 index 0000000..bd8adda --- /dev/null +++ b/src/main/java/com/yablochkov/ocppstub/OcppStubApplication.java @@ -0,0 +1,13 @@ +package com.yablochkov.ocppstub; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class OcppStubApplication { + + public static void main(String[] args) { + SpringApplication.run(OcppStubApplication.class, args); + } + +} diff --git a/src/main/java/com/yablochkov/ocppstub/SessionService.java b/src/main/java/com/yablochkov/ocppstub/SessionService.java new file mode 100644 index 0000000..bfb7d88 --- /dev/null +++ b/src/main/java/com/yablochkov/ocppstub/SessionService.java @@ -0,0 +1,41 @@ +package com.yablochkov.ocppstub; + +import eu.chargetime.ocpp.YablSessionInformation; +import eu.chargetime.ocpp.model.SessionInformation; +import lombok.extern.slf4j.Slf4j; +import org.java_websocket.handshake.ClientHandshake; +import org.springframework.stereotype.Service; + +import java.util.HashMap; +import java.util.Map; +import java.util.UUID; + +@Service +@Slf4j +public class SessionService { + private final Map cache = new HashMap<>(); + public void register(UUID sessionIndex, SessionInformation information) { + log.info("Register new session {}", sessionIndex); + cache.put(sessionIndex, information); + } + + public void unregister(UUID sessionIndex) { + cache.remove(sessionIndex); + } + + public String getAuthBySessionId(UUID sessionId) { + SessionInformation sessionInformation = cache.get(sessionId); + + if (sessionInformation instanceof YablSessionInformation) { + YablSessionInformation session = (YablSessionInformation) sessionInformation; + + ClientHandshake clientHandshake = session.getClientHandshake(); + if (clientHandshake != null) { + return clientHandshake.getFieldValue("Authorization"); + } + } + + log.debug("Session {} auth status not found", sessionId); + return null; + } +} diff --git a/src/main/java/com/yablochkov/ocppstub/configuration/AppConfig.java b/src/main/java/com/yablochkov/ocppstub/configuration/AppConfig.java new file mode 100644 index 0000000..2fe4f3e --- /dev/null +++ b/src/main/java/com/yablochkov/ocppstub/configuration/AppConfig.java @@ -0,0 +1,20 @@ +package com.yablochkov.ocppstub.configuration; + +import com.yablochkov.ocppstub.EventHandler; +import eu.chargetime.ocpp.YablJSONServer; +import eu.chargetime.ocpp.feature.profile.ServerCoreProfile; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; + +@Configuration +public class AppConfig { + @Bean + public ServerCoreProfile getServerCoreProfile(EventHandler handler) { + return new ServerCoreProfile(handler); + } + + @Bean + public YablJSONServer getJSONServer(ServerCoreProfile profile) { + return new YablJSONServer(profile); + } +} diff --git a/src/main/java/eu/chargetime/ocpp/YablJSONServer.java b/src/main/java/eu/chargetime/ocpp/YablJSONServer.java new file mode 100644 index 0000000..74a10e0 --- /dev/null +++ b/src/main/java/eu/chargetime/ocpp/YablJSONServer.java @@ -0,0 +1,140 @@ +package eu.chargetime.ocpp; + +import eu.chargetime.ocpp.feature.profile.Profile; +import eu.chargetime.ocpp.feature.profile.ServerCoreProfile; +import eu.chargetime.ocpp.model.Confirmation; +import eu.chargetime.ocpp.model.Request; +import eu.chargetime.ocpp.wss.BaseWssFactoryBuilder; +import eu.chargetime.ocpp.wss.WssFactoryBuilder; +import org.java_websocket.drafts.Draft; +import org.java_websocket.drafts.Draft_6455; +import org.java_websocket.protocols.IProtocol; +import org.java_websocket.protocols.Protocol; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import javax.net.ssl.SSLContext; +import java.io.IOException; +import java.util.ArrayList; +import java.util.Collections; +import java.util.UUID; +import java.util.concurrent.CompletionStage; + +public class YablJSONServer implements IServerAPI { + private static final Logger logger = LoggerFactory.getLogger(eu.chargetime.ocpp.JSONServer.class); + + public final Draft draftOcppOnly; + private final YablWebSocketListener listener; + private final Server server; + private final FeatureRepository featureRepository; + + /** + * The core feature profile is required as a minimum. The constructor creates WS-ready server. + * + * @param coreProfile implementation of the core feature profile. + * @param configuration network configuration for a json server. + */ + public YablJSONServer(ServerCoreProfile coreProfile, JSONConfiguration configuration) { + featureRepository = new FeatureRepository(); + SessionFactory sessionFactory = new SessionFactory(featureRepository); + + ArrayList protocols = new ArrayList<>(); + protocols.add(new Protocol("ocpp1.6")); + protocols.add(new Protocol("")); + draftOcppOnly = new Draft_6455(Collections.emptyList(), protocols); + + this.listener = new YablWebSocketListener(sessionFactory, configuration, draftOcppOnly); + server = new Server(this.listener, featureRepository, new PromiseRepository()); + featureRepository.addFeatureProfile(coreProfile); + } + + /** + * The core feature profile is required as a minimum. The constructor creates WS-ready server. + * + * @param coreProfile implementation of the core feature profile. + */ + public YablJSONServer(ServerCoreProfile coreProfile) { + this(coreProfile, JSONConfiguration.get()); + } + + /** + * The core feature profile is required as a minimum. The constructor creates WSS-ready server. + * + * @param coreProfile implementation of the core feature profile. + * @param wssFactoryBuilder to build {@link org.java_websocket.WebSocketServerFactory} to support + * wss://. + * @param configuration network configuration for a json server. + */ + public YablJSONServer( + ServerCoreProfile coreProfile, + WssFactoryBuilder wssFactoryBuilder, + JSONConfiguration configuration) { + this(coreProfile, configuration); + enableWSS(wssFactoryBuilder); + } + + /** + * The core feature profile is required as a minimum. The constructor creates WSS-ready server. + * + * @param coreProfile implementation of the core feature profile. + * @param wssFactoryBuilder to build {@link org.java_websocket.WebSocketServerFactory} to support + * wss://. + */ + public YablJSONServer(ServerCoreProfile coreProfile, WssFactoryBuilder wssFactoryBuilder) { + this(coreProfile, wssFactoryBuilder, JSONConfiguration.get()); + } + + // To ensure the exposed API is backward compatible + public void enableWSS(SSLContext sslContext) throws IOException { + WssFactoryBuilder builder = BaseWssFactoryBuilder.builder().sslContext(sslContext); + enableWSS(builder); + } + + /** + * Enables server to accept WSS connections. The {@code wssFactoryBuilder} must be initialized at + * that step (as required parameters set might vary depending on implementation the {@link + * eu.chargetime.ocpp.wss.WssFactoryBuilder#verify()} is used to ensure initialization). + * + * @param wssFactoryBuilder builder to provide WebSocketServerFactory + * @return instance of {@link eu.chargetime.ocpp.JSONServer} + * @throws IllegalStateException in case if the server is already connected + * @throws IllegalStateException in case {@code wssFactoryBuilder} not initialized properly + */ + public YablJSONServer enableWSS(WssFactoryBuilder wssFactoryBuilder) { + wssFactoryBuilder.verify(); + listener.enableWSS(wssFactoryBuilder); + return this; + } + + @Override + public void addFeatureProfile(Profile profile) { + featureRepository.addFeatureProfile(profile); + } + + @Override + public void closeSession(UUID session) { + server.closeSession(session); + } + + @Override + public void open(String host, int port, ServerEvents serverEvents) { + logger.info("Feature repository: {}", featureRepository); + server.open(host, port, serverEvents); + } + + @Override + public void close() { + server.close(); + } + + @Override + public boolean isClosed() { + return listener.isClosed(); + } + + @Override + public CompletionStage send(UUID session, Request request) + throws OccurenceConstraintException, UnsupportedFeatureException, NotConnectedException { + return server.send(session, request); + } +} diff --git a/src/main/java/eu/chargetime/ocpp/YablSessionInformation.java b/src/main/java/eu/chargetime/ocpp/YablSessionInformation.java new file mode 100644 index 0000000..3c41898 --- /dev/null +++ b/src/main/java/eu/chargetime/ocpp/YablSessionInformation.java @@ -0,0 +1,17 @@ +package eu.chargetime.ocpp; + +import eu.chargetime.ocpp.model.SessionInformation; +import lombok.Builder; +import lombok.Getter; +import org.java_websocket.handshake.ClientHandshake; + +import java.net.InetSocketAddress; + +@Builder +@Getter +public class YablSessionInformation extends SessionInformation { + private String identifier; + private InetSocketAddress address; + private String SOAPtoURL; + private ClientHandshake clientHandshake; +} diff --git a/src/main/java/eu/chargetime/ocpp/YablWebSocketListener.java b/src/main/java/eu/chargetime/ocpp/YablWebSocketListener.java new file mode 100644 index 0000000..f198ec0 --- /dev/null +++ b/src/main/java/eu/chargetime/ocpp/YablWebSocketListener.java @@ -0,0 +1,192 @@ +package eu.chargetime.ocpp; + +import eu.chargetime.ocpp.model.SessionInformation; +import eu.chargetime.ocpp.wss.WssFactoryBuilder; +import org.java_websocket.WebSocket; +import org.java_websocket.drafts.Draft; +import org.java_websocket.handshake.ClientHandshake; +import org.java_websocket.server.WebSocketServer; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.net.ConnectException; +import java.net.InetSocketAddress; +import java.util.Arrays; +import java.util.List; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; + +public class YablWebSocketListener implements Listener { + private static final Logger logger = LoggerFactory.getLogger(WebSocketListener.class); + + private static final int TIMEOUT_IN_MILLIS = 10000; + + private final ISessionFactory sessionFactory; + private final List drafts; + + private final JSONConfiguration configuration; + private volatile WebSocketServer server; + private WssFactoryBuilder wssFactoryBuilder; + private final Map sockets; + private volatile boolean closed = true; + private boolean handleRequestAsync; + + public YablWebSocketListener( + ISessionFactory sessionFactory, JSONConfiguration configuration, Draft... drafts) { + this.sessionFactory = sessionFactory; + this.configuration = configuration; + this.drafts = Arrays.asList(drafts); + this.sockets = new ConcurrentHashMap<>(); + } + + public YablWebSocketListener(ISessionFactory sessionFactory, Draft... drafts) { + this(sessionFactory, JSONConfiguration.get(), drafts); + } + + @Override + public void open(String hostname, int port, ListenerEvents handler) { + server = + new WebSocketServer(new InetSocketAddress(hostname, port), drafts) { + @Override + public void onOpen(WebSocket webSocket, ClientHandshake clientHandshake) { + logger.debug( + "On connection open (resource descriptor: {})", + clientHandshake.getResourceDescriptor()); + + WebSocketReceiver receiver = + new WebSocketReceiver( + new WebSocketReceiverEvents() { + @Override + public boolean isClosed() { + return closed; + } + + @Override + public void close() { + webSocket.close(); + } + + @Override + public void relay(String message) { + webSocket.send(message); + } + }); + + sockets.put(webSocket, receiver); + + SessionInformation information = + YablSessionInformation.builder() + .identifier(clientHandshake.getResourceDescriptor()) + .address(webSocket.getRemoteSocketAddress()) + .clientHandshake(clientHandshake) + .build(); + + handler.newSession( + sessionFactory.createSession(new JSONCommunicator(receiver)), information); + } + + @Override + public void onClose(WebSocket webSocket, int code, String reason, boolean remote) { + logger.debug( + "On connection close (resource descriptor: {}, code: {}, reason: {}, remote: {})", + webSocket.getResourceDescriptor(), + code, + reason, + remote); + + WebSocketReceiver receiver = sockets.get(webSocket); + if (receiver != null) { + receiver.disconnect(); + sockets.remove(webSocket); + } else { + logger.debug("Receiver for socket not found: {}", webSocket); + } + } + + @Override + public void onMessage(WebSocket webSocket, String message) { + sockets.get(webSocket).relay(message); + } + + @Override + public void onError(WebSocket webSocket, Exception ex) { + String resourceDescriptor = + (webSocket != null) + ? webSocket.getResourceDescriptor() + : "not defined (webSocket is null)"; + + if (ex instanceof ConnectException) { + logger.error( + "On error (resource descriptor: " + resourceDescriptor + ") triggered caused by:", + ex); + } else { + logger.error( + "On error (resource descriptor: " + resourceDescriptor + ") triggered:", ex); + } + } + + @Override + public void onStart() { + logger.debug("Server socket bound"); + } + }; + + if (wssFactoryBuilder != null) { + server.setWebSocketFactory(wssFactoryBuilder.build()); + } + + configure(); + server.start(); + closed = false; + } + + void configure() { + server.setReuseAddr(configuration.getParameter(JSONConfiguration.REUSE_ADDR_PARAMETER, true)); + server.setTcpNoDelay( + configuration.getParameter(JSONConfiguration.TCP_NO_DELAY_PARAMETER, false)); + server.setConnectionLostTimeout( + configuration.getParameter(JSONConfiguration.PING_INTERVAL_PARAMETER, 60)); + } + + void enableWSS(WssFactoryBuilder wssFactoryBuilder) { + if (server != null) { + throw new IllegalStateException("Cannot enable WSS on already running server"); + } + + this.wssFactoryBuilder = wssFactoryBuilder; + } + + @Override + public void close() { + + if (server == null) { + return; + } + + try { + server.stop(TIMEOUT_IN_MILLIS); + sockets.clear(); + } catch (InterruptedException e) { + // Do second try + try { + server.stop(); + } catch (IOException | InterruptedException ex) { + logger.error("Failed to close listener", ex); + } + } finally { + closed = true; + server = null; + } + } + + @Override + public boolean isClosed() { + return closed; + } + + @Override + public void setAsyncRequestHandler(boolean async) { + this.handleRequestAsync = async; + } +} diff --git a/src/main/resources/application.yaml b/src/main/resources/application.yaml new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/src/main/resources/application.yaml @@ -0,0 +1 @@ + diff --git a/src/test/java/com/yablochkov/ocppstub/OcppstubApplicationTests.java b/src/test/java/com/yablochkov/ocppstub/OcppstubApplicationTests.java new file mode 100644 index 0000000..dfeee54 --- /dev/null +++ b/src/test/java/com/yablochkov/ocppstub/OcppstubApplicationTests.java @@ -0,0 +1,13 @@ +package com.yablochkov.ocppstub; + +import org.junit.jupiter.api.Test; +import org.springframework.boot.test.context.SpringBootTest; + +@SpringBootTest +class OcppstubApplicationTests { + + @Test + void contextLoads() { + } + +}