diff --git a/api-java/api-quarkus/.gitignore b/api-java/api-quarkus/.gitignore new file mode 100644 index 0000000..549e00a --- /dev/null +++ b/api-java/api-quarkus/.gitignore @@ -0,0 +1,33 @@ +HELP.md +target/ +!.mvn/wrapper/maven-wrapper.jar +!**/src/main/**/target/ +!**/src/test/**/target/ + +### STS ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache + +### IntelliJ IDEA ### +.idea +*.iws +*.iml +*.ipr + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ +build/ +!**/src/main/**/build/ +!**/src/test/**/build/ + +### VS Code ### +.vscode/ diff --git a/api-java/api-quarkus/README.md b/api-java/api-quarkus/README.md new file mode 100644 index 0000000..0217937 --- /dev/null +++ b/api-java/api-quarkus/README.md @@ -0,0 +1,60 @@ +# game Project + +This project uses Quarkus, the Supersonic Subatomic Java Framework. + +If you want to learn more about Quarkus, please visit its website: https://quarkus.io/ . + +## Running the application in dev mode + +You can run your application in dev mode that enables live coding using: +```shell script +./mvnw compile quarkus:dev +``` + +> **_NOTE:_** Quarkus now ships with a Dev UI, which is available in dev mode only at http://localhost:8080/q/dev/. + +## Packaging and running the application + +The application can be packaged using: +```shell script +./mvnw package +``` +It produces the `quarkus-run.jar` file in the `target/quarkus-app/` directory. +Be aware that it’s not an _über-jar_ as the dependencies are copied into the `target/quarkus-app/lib/` directory. + +The application is now runnable using `java -jar target/quarkus-app/quarkus-run.jar`. + +If you want to build an _über-jar_, execute the following command: +```shell script +./mvnw package -Dquarkus.package.type=uber-jar +``` + +The application, packaged as an _über-jar_, is now runnable using `java -jar target/*-runner.jar`. + +## Creating a native executable + +You can create a native executable using: +```shell script +./mvnw package -Pnative +``` + +Or, if you don't have GraalVM installed, you can run the native executable build in a container using: +```shell script +./mvnw package -Pnative -Dquarkus.native.container-build=true +``` + +You can then execute your native executable with: `./target/game-1.0.0-SNAPSHOT-runner` + +If you want to learn more about building native executables, please consult https://quarkus.io/guides/maven-tooling. + +## Related Guides + +- WebSockets ([guide](https://quarkus.io/guides/websockets)): WebSocket communication channel support + +## Provided Code + +### WebSockets + +WebSocket communication channel starter code + +[Related guide section...](https://quarkus.io/guides/websockets) diff --git a/api-java/api-quarkus/mvnw b/api-java/api-quarkus/mvnw new file mode 100644 index 0000000..a16b543 --- /dev/null +++ b/api-java/api-quarkus/mvnw @@ -0,0 +1,310 @@ +#!/bin/sh +# ---------------------------------------------------------------------------- +# 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 +# +# 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. +# ---------------------------------------------------------------------------- + +# ---------------------------------------------------------------------------- +# Maven Start Up Batch script +# +# Required ENV vars: +# ------------------ +# JAVA_HOME - location of a JDK home dir +# +# Optional ENV vars +# ----------------- +# M2_HOME - location of maven2's installed home dir +# MAVEN_OPTS - parameters passed to the Java VM when running Maven +# e.g. to debug Maven itself, use +# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +# MAVEN_SKIP_RC - flag to disable loading of mavenrc files +# ---------------------------------------------------------------------------- + +if [ -z "$MAVEN_SKIP_RC" ] ; then + + if [ -f /etc/mavenrc ] ; then + . /etc/mavenrc + fi + + if [ -f "$HOME/.mavenrc" ] ; then + . "$HOME/.mavenrc" + fi + +fi + +# OS specific support. $var _must_ be set to either true or false. +cygwin=false; +darwin=false; +mingw=false +case "`uname`" in + CYGWIN*) cygwin=true ;; + MINGW*) mingw=true;; + Darwin*) darwin=true + # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home + # See https://developer.apple.com/library/mac/qa/qa1170/_index.html + if [ -z "$JAVA_HOME" ]; then + if [ -x "/usr/libexec/java_home" ]; then + export JAVA_HOME="`/usr/libexec/java_home`" + else + export JAVA_HOME="/Library/Java/Home" + fi + fi + ;; +esac + +if [ -z "$JAVA_HOME" ] ; then + if [ -r /etc/gentoo-release ] ; then + JAVA_HOME=`java-config --jre-home` + fi +fi + +if [ -z "$M2_HOME" ] ; then + ## resolve links - $0 may be a link to maven's home + PRG="$0" + + # need this for relative symlinks + while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG="`dirname "$PRG"`/$link" + fi + done + + saveddir=`pwd` + + M2_HOME=`dirname "$PRG"`/.. + + # make it fully qualified + M2_HOME=`cd "$M2_HOME" && pwd` + + cd "$saveddir" + # echo Using m2 at $M2_HOME +fi + +# For Cygwin, ensure paths are in UNIX format before anything is touched +if $cygwin ; then + [ -n "$M2_HOME" ] && + M2_HOME=`cygpath --unix "$M2_HOME"` + [ -n "$JAVA_HOME" ] && + JAVA_HOME=`cygpath --unix "$JAVA_HOME"` + [ -n "$CLASSPATH" ] && + CLASSPATH=`cygpath --path --unix "$CLASSPATH"` +fi + +# For Mingw, ensure paths are in UNIX format before anything is touched +if $mingw ; then + [ -n "$M2_HOME" ] && + M2_HOME="`(cd "$M2_HOME"; pwd)`" + [ -n "$JAVA_HOME" ] && + JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`" +fi + +if [ -z "$JAVA_HOME" ]; then + javaExecutable="`which javac`" + if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then + # readlink(1) is not available as standard on Solaris 10. + readLink=`which readlink` + if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then + if $darwin ; then + javaHome="`dirname \"$javaExecutable\"`" + javaExecutable="`cd \"$javaHome\" && pwd -P`/javac" + else + javaExecutable="`readlink -f \"$javaExecutable\"`" + fi + javaHome="`dirname \"$javaExecutable\"`" + javaHome=`expr "$javaHome" : '\(.*\)/bin'` + JAVA_HOME="$javaHome" + export JAVA_HOME + fi + fi +fi + +if [ -z "$JAVACMD" ] ; then + 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 + else + JAVACMD="`which java`" + fi +fi + +if [ ! -x "$JAVACMD" ] ; then + echo "Error: JAVA_HOME is not defined correctly." >&2 + echo " We cannot execute $JAVACMD" >&2 + exit 1 +fi + +if [ -z "$JAVA_HOME" ] ; then + echo "Warning: JAVA_HOME environment variable is not set." +fi + +CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher + +# traverses directory structure from process work directory to filesystem root +# first directory with .mvn subdirectory is considered project base directory +find_maven_basedir() { + + if [ -z "$1" ] + then + echo "Path not specified to find_maven_basedir" + return 1 + fi + + basedir="$1" + wdir="$1" + while [ "$wdir" != '/' ] ; do + if [ -d "$wdir"/.mvn ] ; then + basedir=$wdir + break + fi + # workaround for JBEAP-8937 (on Solaris 10/Sparc) + if [ -d "${wdir}" ]; then + wdir=`cd "$wdir/.."; pwd` + fi + # end of workaround + done + echo "${basedir}" +} + +# concatenates all lines of a file +concat_lines() { + if [ -f "$1" ]; then + echo "$(tr -s '\n' ' ' < "$1")" + fi +} + +BASE_DIR=`find_maven_basedir "$(pwd)"` +if [ -z "$BASE_DIR" ]; then + exit 1; +fi + +########################################################################################## +# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +# This allows using the maven wrapper in projects that prohibit checking in binary data. +########################################################################################## +if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found .mvn/wrapper/maven-wrapper.jar" + fi +else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..." + fi + if [ -n "$MVNW_REPOURL" ]; then + jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + else + jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + fi + while IFS="=" read key value; do + case "$key" in (wrapperUrl) jarUrl="$value"; break ;; + esac + done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties" + if [ "$MVNW_VERBOSE" = true ]; then + echo "Downloading from: $jarUrl" + fi + wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" + if $cygwin; then + wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"` + fi + + if command -v wget > /dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found wget ... using wget" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + wget "$jarUrl" -O "$wrapperJarPath" + else + wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" + fi + elif command -v curl > /dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found curl ... using curl" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + curl -o "$wrapperJarPath" "$jarUrl" -f + else + curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f + fi + + else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Falling back to using Java to download" + fi + javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java" + # For Cygwin, switch paths to Windows format before running javac + if $cygwin; then + javaClass=`cygpath --path --windows "$javaClass"` + fi + if [ -e "$javaClass" ]; then + if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Compiling MavenWrapperDownloader.java ..." + fi + # Compiling the Java class + ("$JAVA_HOME/bin/javac" "$javaClass") + fi + if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + # Running the downloader + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Running MavenWrapperDownloader.java ..." + fi + ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR") + fi + fi + fi +fi +########################################################################################## +# End of extension +########################################################################################## + +export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} +if [ "$MVNW_VERBOSE" = true ]; then + echo $MAVEN_PROJECTBASEDIR +fi +MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" + +# For Cygwin, switch paths to Windows format before running java +if $cygwin; then + [ -n "$M2_HOME" ] && + M2_HOME=`cygpath --path --windows "$M2_HOME"` + [ -n "$JAVA_HOME" ] && + JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"` + [ -n "$CLASSPATH" ] && + CLASSPATH=`cygpath --path --windows "$CLASSPATH"` + [ -n "$MAVEN_PROJECTBASEDIR" ] && + MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"` +fi + +# Provide a "standardized" way to retrieve the CLI args that will +# work with both Windows and non-Windows executions. +MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@" +export MAVEN_CMD_LINE_ARGS + +WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +exec "$JAVACMD" \ + $MAVEN_OPTS \ + -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ + "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ + ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" diff --git a/api-java/api-quarkus/mvnw.cmd b/api-java/api-quarkus/mvnw.cmd new file mode 100644 index 0000000..c8d4337 --- /dev/null +++ b/api-java/api-quarkus/mvnw.cmd @@ -0,0 +1,182 @@ +@REM ---------------------------------------------------------------------------- +@REM Licensed to the Apache Software Foundation (ASF) under one +@REM or more contributor license agreements. See the NOTICE file +@REM distributed with this work for additional information +@REM regarding copyright ownership. The ASF licenses this file +@REM to you under the Apache License, Version 2.0 (the +@REM "License"); you may not use this file except in compliance +@REM with the License. You may obtain a copy of the License at +@REM +@REM https://www.apache.org/licenses/LICENSE-2.0 +@REM +@REM Unless required by applicable law or agreed to in writing, +@REM software distributed under the License is distributed on an +@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +@REM KIND, either express or implied. See the License for the +@REM specific language governing permissions and limitations +@REM under the License. +@REM ---------------------------------------------------------------------------- + +@REM ---------------------------------------------------------------------------- +@REM Maven Start Up Batch script +@REM +@REM Required ENV vars: +@REM JAVA_HOME - location of a JDK home dir +@REM +@REM Optional ENV vars +@REM M2_HOME - location of maven2's installed home dir +@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands +@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending +@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven +@REM e.g. to debug Maven itself, use +@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files +@REM ---------------------------------------------------------------------------- + +@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' +@echo off +@REM set title of command window +title %0 +@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on' +@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% + +@REM set %HOME% to equivalent of $HOME +if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") + +@REM Execute a user defined script before this one +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre +@REM check for pre script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat" +if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd" +:skipRcPre + +@setlocal + +set ERROR_CODE=0 + +@REM To isolate internal variables from possible post scripts, we use another setlocal +@setlocal + +@REM ==== START VALIDATION ==== +if not "%JAVA_HOME%" == "" goto OkJHome + +echo. +echo Error: JAVA_HOME not found in your environment. >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +:OkJHome +if exist "%JAVA_HOME%\bin\java.exe" goto init + +echo. +echo Error: JAVA_HOME is set to an invalid directory. >&2 +echo JAVA_HOME = "%JAVA_HOME%" >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +@REM ==== END VALIDATION ==== + +:init + +@REM Find the project base dir, i.e. the directory that contains the folder ".mvn". +@REM Fallback to current working directory if not found. + +set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% +IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir + +set EXEC_DIR=%CD% +set WDIR=%EXEC_DIR% +:findBaseDir +IF EXIST "%WDIR%"\.mvn goto baseDirFound +cd .. +IF "%WDIR%"=="%CD%" goto baseDirNotFound +set WDIR=%CD% +goto findBaseDir + +:baseDirFound +set MAVEN_PROJECTBASEDIR=%WDIR% +cd "%EXEC_DIR%" +goto endDetectBaseDir + +:baseDirNotFound +set MAVEN_PROJECTBASEDIR=%EXEC_DIR% +cd "%EXEC_DIR%" + +:endDetectBaseDir + +IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig + +@setlocal EnableExtensions EnableDelayedExpansion +for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a +@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% + +:endReadAdditionalConfig + +SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" +set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" +set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + +FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO ( + IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B +) + +@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +@REM This allows using the maven wrapper in projects that prohibit checking in binary data. +if exist %WRAPPER_JAR% ( + if "%MVNW_VERBOSE%" == "true" ( + echo Found %WRAPPER_JAR% + ) +) else ( + if not "%MVNW_REPOURL%" == "" ( + SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + ) + if "%MVNW_VERBOSE%" == "true" ( + echo Couldn't find %WRAPPER_JAR%, downloading it ... + echo Downloading from: %DOWNLOAD_URL% + ) + + powershell -Command "&{"^ + "$webclient = new-object System.Net.WebClient;"^ + "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^ + "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^ + "}"^ + "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^ + "}" + if "%MVNW_VERBOSE%" == "true" ( + echo Finished downloading %WRAPPER_JAR% + ) +) +@REM End of extension + +@REM Provide a "standardized" way to retrieve the CLI args that will +@REM work with both Windows and non-Windows executions. +set MAVEN_CMD_LINE_ARGS=%* + +%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* +if ERRORLEVEL 1 goto error +goto end + +:error +set ERROR_CODE=1 + +:end +@endlocal & set ERROR_CODE=%ERROR_CODE% + +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost +@REM check for post script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat" +if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd" +:skipRcPost + +@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' +if "%MAVEN_BATCH_PAUSE%" == "on" pause + +if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE% + +exit /B %ERROR_CODE% diff --git a/api-java/api-quarkus/pom.xml b/api-java/api-quarkus/pom.xml new file mode 100644 index 0000000..c38ea2a --- /dev/null +++ b/api-java/api-quarkus/pom.xml @@ -0,0 +1,143 @@ + + + 4.0.0 + com.example.api + game-api + 1.0.0-SNAPSHOT + + + 17 + 3.8.1 + true + 17 + 17 + UTF-8 + UTF-8 + quarkus-bom + io.quarkus.platform + 2.5.0.Final + 3.0.0-M5 + 2.7.2 + 20210307 + + + + + + ${quarkus.platform.group-id} + ${quarkus.platform.artifact-id} + ${quarkus.platform.version} + pom + import + + + + + + + + io.quarkus + quarkus-arc + + + + io.quarkus + quarkus-websockets + + + + + org.apache.pulsar + pulsar-client + ${pulsar.version} + + + + + org.json + json + ${json.version} + + + + + io.quarkus + quarkus-junit5 + test + + + + + + + ${quarkus.platform.group-id} + quarkus-maven-plugin + ${quarkus.platform.version} + true + + + + build + generate-code + generate-code-tests + + + + + + maven-compiler-plugin + ${compiler-plugin.version} + + ${maven.compiler.parameters} + + + + maven-surefire-plugin + ${surefire-plugin.version} + + + org.jboss.logmanager.LogManager + ${maven.home} + + + + + + + + native + + + native + + + + + + maven-failsafe-plugin + ${surefire-plugin.version} + + + + integration-test + verify + + + + ${project.build.directory}/${project.build.finalName}-runner + org.jboss.logmanager.LogManager + ${maven.home} + + + + + + + + + native + + + + diff --git a/api-java/api-quarkus/src/main/docker/Dockerfile.jvm b/api-java/api-quarkus/src/main/docker/Dockerfile.jvm new file mode 100644 index 0000000..6017613 --- /dev/null +++ b/api-java/api-quarkus/src/main/docker/Dockerfile.jvm @@ -0,0 +1,55 @@ +#### +# This Dockerfile is used in order to build a container that runs the Quarkus application in JVM mode +# +# Before building the container image run: +# +# ./mvnw package +# +# Then, build the image with: +# +# docker build -f src/main/docker/Dockerfile.jvm -t quarkus/game-jvm . +# +# Then run the container using: +# +# docker run -i --rm -p 8080:8080 quarkus/game-jvm +# +# If you want to include the debug port into your docker image +# you will have to expose the debug port (default 5005) like this : EXPOSE 8080 5005 +# +# Then run the container using : +# +# docker run -i --rm -p 8080:8080 -p 5005:5005 -e JAVA_ENABLE_DEBUG="true" quarkus/game-jvm +# +### +FROM registry.access.redhat.com/ubi8/ubi-minimal:8.4 + +ARG JAVA_PACKAGE=java-11-openjdk-headless +ARG RUN_JAVA_VERSION=1.3.8 +ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' +# Install java and the run-java script +# Also set up permissions for user `1001` +RUN microdnf install curl ca-certificates ${JAVA_PACKAGE} \ + && microdnf update \ + && microdnf clean all \ + && mkdir /deployments \ + && chown 1001 /deployments \ + && chmod "g+rwX" /deployments \ + && chown 1001:root /deployments \ + && curl https://repo1.maven.org/maven2/io/fabric8/run-java-sh/${RUN_JAVA_VERSION}/run-java-sh-${RUN_JAVA_VERSION}-sh.sh -o /deployments/run-java.sh \ + && chown 1001 /deployments/run-java.sh \ + && chmod 540 /deployments/run-java.sh \ + && echo "securerandom.source=file:/dev/urandom" >> /etc/alternatives/jre/conf/security/java.security + +# Configure the JAVA_OPTIONS, you can add -XshowSettings:vm to also display the heap size. +ENV JAVA_OPTIONS="-Dquarkus.http.host=0.0.0.0 -Djava.util.logging.manager=org.jboss.logmanager.LogManager" +# We make four distinct layers so if there are application changes the library layers can be re-used +COPY --chown=1001 target/quarkus-app/lib/ /deployments/lib/ +COPY --chown=1001 target/quarkus-app/*.jar /deployments/ +COPY --chown=1001 target/quarkus-app/app/ /deployments/app/ +COPY --chown=1001 target/quarkus-app/quarkus/ /deployments/quarkus/ + +EXPOSE 8080 +USER 1001 + +ENTRYPOINT [ "/deployments/run-java.sh" ] + diff --git a/api-java/api-quarkus/src/main/docker/Dockerfile.legacy-jar b/api-java/api-quarkus/src/main/docker/Dockerfile.legacy-jar new file mode 100644 index 0000000..4470891 --- /dev/null +++ b/api-java/api-quarkus/src/main/docker/Dockerfile.legacy-jar @@ -0,0 +1,51 @@ +#### +# This Dockerfile is used in order to build a container that runs the Quarkus application in JVM mode +# +# Before building the container image run: +# +# ./mvnw package -Dquarkus.package.type=legacy-jar +# +# Then, build the image with: +# +# docker build -f src/main/docker/Dockerfile.legacy-jar -t quarkus/game-legacy-jar . +# +# Then run the container using: +# +# docker run -i --rm -p 8080:8080 quarkus/game-legacy-jar +# +# If you want to include the debug port into your docker image +# you will have to expose the debug port (default 5005) like this : EXPOSE 8080 5005 +# +# Then run the container using : +# +# docker run -i --rm -p 8080:8080 -p 5005:5005 -e JAVA_ENABLE_DEBUG="true" quarkus/game-legacy-jar +# +### +FROM registry.access.redhat.com/ubi8/ubi-minimal:8.4 + +ARG JAVA_PACKAGE=java-11-openjdk-headless +ARG RUN_JAVA_VERSION=1.3.8 +ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' +# Install java and the run-java script +# Also set up permissions for user `1001` +RUN microdnf install curl ca-certificates ${JAVA_PACKAGE} \ + && microdnf update \ + && microdnf clean all \ + && mkdir /deployments \ + && chown 1001 /deployments \ + && chmod "g+rwX" /deployments \ + && chown 1001:root /deployments \ + && curl https://repo1.maven.org/maven2/io/fabric8/run-java-sh/${RUN_JAVA_VERSION}/run-java-sh-${RUN_JAVA_VERSION}-sh.sh -o /deployments/run-java.sh \ + && chown 1001 /deployments/run-java.sh \ + && chmod 540 /deployments/run-java.sh \ + && echo "securerandom.source=file:/dev/urandom" >> /etc/alternatives/jre/conf/security/java.security + +# Configure the JAVA_OPTIONS, you can add -XshowSettings:vm to also display the heap size. +ENV JAVA_OPTIONS="-Dquarkus.http.host=0.0.0.0 -Djava.util.logging.manager=org.jboss.logmanager.LogManager" +COPY target/lib/* /deployments/lib/ +COPY target/*-runner.jar /deployments/app.jar + +EXPOSE 8080 +USER 1001 + +ENTRYPOINT [ "/deployments/run-java.sh" ] diff --git a/api-java/api-quarkus/src/main/docker/Dockerfile.native b/api-java/api-quarkus/src/main/docker/Dockerfile.native new file mode 100644 index 0000000..11e49ab --- /dev/null +++ b/api-java/api-quarkus/src/main/docker/Dockerfile.native @@ -0,0 +1,27 @@ +#### +# This Dockerfile is used in order to build a container that runs the Quarkus application in native (no JVM) mode +# +# Before building the container image run: +# +# ./mvnw package -Pnative +# +# Then, build the image with: +# +# docker build -f src/main/docker/Dockerfile.native -t quarkus/game . +# +# Then run the container using: +# +# docker run -i --rm -p 8080:8080 quarkus/game +# +### +FROM registry.access.redhat.com/ubi8/ubi-minimal:8.4 +WORKDIR /work/ +RUN chown 1001 /work \ + && chmod "g+rwX" /work \ + && chown 1001:root /work +COPY --chown=1001:root target/*-runner /work/application + +EXPOSE 8080 +USER 1001 + +CMD ["./application", "-Dquarkus.http.host=0.0.0.0"] diff --git a/api-java/api-quarkus/src/main/docker/Dockerfile.native-distroless b/api-java/api-quarkus/src/main/docker/Dockerfile.native-distroless new file mode 100644 index 0000000..b1cfb6c --- /dev/null +++ b/api-java/api-quarkus/src/main/docker/Dockerfile.native-distroless @@ -0,0 +1,23 @@ +#### +# This Dockerfile is used in order to build a distroless container that runs the Quarkus application in native (no JVM) mode +# +# Before building the container image run: +# +# ./mvnw package -Pnative +# +# Then, build the image with: +# +# docker build -f src/main/docker/Dockerfile.native-distroless -t quarkus/game . +# +# Then run the container using: +# +# docker run -i --rm -p 8080:8080 quarkus/game +# +### +FROM quay.io/quarkus/quarkus-distroless-image:1.0 +COPY target/*-runner /application + +EXPOSE 8080 +USER nonroot + +CMD ["./application", "-Dquarkus.http.host=0.0.0.0"] diff --git a/api-java/api-quarkus/src/main/java/com/example/api/Messaging.java b/api-java/api-quarkus/src/main/java/com/example/api/Messaging.java new file mode 100644 index 0000000..5d59c74 --- /dev/null +++ b/api-java/api-quarkus/src/main/java/com/example/api/Messaging.java @@ -0,0 +1,71 @@ +package com.example.api; + +import org.json.JSONObject; + +import java.util.UUID; + +public class Messaging { + + private static final int HALF_SIZE_X = 20; + private static final int HALF_SIZE_Y = 12; + + public static void validatePosition(JSONObject payload){ + if (!payload.isNull("x") && !payload.isNull("y")) { + int x = sanitizePosition(payload.getInt("x"), HALF_SIZE_X); + int y = sanitizePosition(payload.getInt("y"), HALF_SIZE_Y); + payload.put("x", x); + payload.put("y", y); + } + } + + private static int sanitizePosition(int val, int max) { + if (val < 0) return 0; + return Math.min(val, 2 * max - 2); + } + + // A default goodbye message to publish to the Pulsar topic + // in case a client disconnection is detected + public static String makeGoodbyeUpdate(String clientId){ + return """ + { + "messageType":"player", + "playerID": "%s", + "payload":{ + "x": null, + "y": null, + "h": false, + "generation": 0, + "playerName": "" + } + } + """.formatted(clientId); + } + + // A server-generated chat message to greet a new player + public static String makeWelcomeUpdate(){ + return """ + { + "messageType":"chat", + "playerID": "_api_server_", + "payload":{ + "id": "%s", + "playerName": "** API **", + "text": "Welcome to the game!" + } + } + """.formatted(UUID.randomUUID().toString()); + } + + // Prepare a message containing the field geometry info + public static String makeGeometryUpdate(){ + return """ + { + "messageType":"geometry", + "payload":{ + "halfSizeX": %d, + "halfSizeY": %d + } + } + """.formatted(HALF_SIZE_X, HALF_SIZE_Y); + } +} diff --git a/api-java/api-quarkus/src/main/java/com/example/api/PlayerRoute.java b/api-java/api-quarkus/src/main/java/com/example/api/PlayerRoute.java new file mode 100644 index 0000000..3733b82 --- /dev/null +++ b/api-java/api-quarkus/src/main/java/com/example/api/PlayerRoute.java @@ -0,0 +1,69 @@ +package com.example.api; + +import org.apache.pulsar.client.api.Producer; +import org.apache.pulsar.client.api.PulsarClientException; +import org.eclipse.microprofile.config.inject.ConfigProperty; +import org.json.JSONObject; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import javax.annotation.PostConstruct; +import javax.enterprise.context.ApplicationScoped; +import javax.inject.Inject; +import javax.websocket.OnClose; +import javax.websocket.OnMessage; +import javax.websocket.Session; +import javax.websocket.server.PathParam; +import javax.websocket.server.ServerEndpoint; +import java.nio.charset.StandardCharsets; + +import static com.example.api.Messaging.makeGoodbyeUpdate; +import static com.example.api.Messaging.validatePosition; + +@ServerEndpoint("/ws/player/{id}") +@ApplicationScoped +public class PlayerRoute { + + private final Logger log = LoggerFactory.getLogger(this.getClass()); + + @ConfigProperty(name = "astra.streaming.producer-topic") + String producerTopic; + + @Inject + PulsarService pulsar; + private Producer producer; + + @PostConstruct + private void initialize() throws PulsarClientException { + this.producer = pulsar.getClient() + .newProducer() + .topic(producerTopic) + .create(); + } + + @OnMessage + public void onMessage(String message, @PathParam("id") String id) throws PulsarClientException { + try { + JSONObject json = new JSONObject(message); + // The other type is : "chat" + if (json.has("messageType") && "player".equals(json.getString("messageType"))) { + JSONObject jsonPayload = json.getJSONObject("payload"); + validatePosition(jsonPayload); + } + json.put("playerID", id); + // Send to pulsar + producer.send(json.toString().getBytes(StandardCharsets.UTF_8)); + } catch (Exception e) { + String json = makeGoodbyeUpdate(id); + producer.send(json.getBytes(StandardCharsets.UTF_8)); + } + } + + @OnClose + public void onClose(Session session, @PathParam("id") String id) throws PulsarClientException { + log.info("Connection closed with User with id={}", id); + String json = makeGoodbyeUpdate(id); + producer.send(json.getBytes(StandardCharsets.UTF_8)); + } + +} diff --git a/api-java/api-quarkus/src/main/java/com/example/api/PulsarService.java b/api-java/api-quarkus/src/main/java/com/example/api/PulsarService.java new file mode 100644 index 0000000..e3fe5de --- /dev/null +++ b/api-java/api-quarkus/src/main/java/com/example/api/PulsarService.java @@ -0,0 +1,28 @@ +package com.example.api; + +import org.apache.pulsar.client.api.AuthenticationFactory; +import org.apache.pulsar.client.api.PulsarClient; +import org.apache.pulsar.client.api.PulsarClientException; +import org.eclipse.microprofile.config.inject.ConfigProperty; + +import javax.enterprise.context.ApplicationScoped; + + +@ApplicationScoped +public class PulsarService { + + private final PulsarClient pulsarClient; + + public PulsarService(@ConfigProperty(name = "astra.service.url") String serviceUrl, + @ConfigProperty(name = "astra.auth.token") String authToken) throws PulsarClientException { + this.pulsarClient = PulsarClient.builder() + .serviceUrl(serviceUrl) + .authentication(AuthenticationFactory.token(authToken)) + .build(); + } + + public PulsarClient getClient() { + return pulsarClient; + } + +} diff --git a/api-java/api-quarkus/src/main/java/com/example/api/WorldRoute.java b/api-java/api-quarkus/src/main/java/com/example/api/WorldRoute.java new file mode 100644 index 0000000..da1351b --- /dev/null +++ b/api-java/api-quarkus/src/main/java/com/example/api/WorldRoute.java @@ -0,0 +1,80 @@ +package com.example.api; + +import org.apache.pulsar.client.api.Consumer; +import org.apache.pulsar.client.api.MessageListener; +import org.apache.pulsar.client.api.PulsarClientException; +import org.eclipse.microprofile.config.inject.ConfigProperty; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import javax.annotation.PostConstruct; +import javax.enterprise.context.ApplicationScoped; +import javax.inject.Inject; +import javax.websocket.OnClose; +import javax.websocket.OnOpen; +import javax.websocket.Session; +import javax.websocket.server.PathParam; +import javax.websocket.server.ServerEndpoint; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; + +import static com.example.api.Messaging.makeGeometryUpdate; + +@ServerEndpoint("/ws/world/{id}") +@ApplicationScoped +public class WorldRoute { + + @ConfigProperty(name = "astra.streaming.consumer-topic") + String consumerTopic; + @Inject + PulsarService pulsar; + + private final Logger log = LoggerFactory.getLogger(this.getClass()); + private final Map worldSessions = new ConcurrentHashMap<>(); + private Consumer consumer; + + @PostConstruct + private void initialize() throws PulsarClientException { + MessageListener myMessageListener = (consumer, msg) -> { + try { + String received = new String(msg.getData()); + broadcast(received); + consumer.acknowledge(msg); + } catch (Exception e) { + consumer.negativeAcknowledge(msg); + } + }; + + this.consumer = pulsar.getClient() + .newConsumer() + .topic(consumerTopic) + .subscriptionName("game-subscription") + .messageListener(myMessageListener) + .subscribe(); + } + + @OnOpen + public void onOpen(Session session, @PathParam("id") String id) { + log.info("Connection established with User with id={}", id); + worldSessions.put(id, session); + + String position = makeGeometryUpdate(); + session.getAsyncRemote().sendText(position); + } + + @OnClose + public void onClose(Session session, @PathParam("id") String id) { + log.info("Connection closed with User with id={}", id); + worldSessions.remove(id); + } + + private void broadcast(String message) { + worldSessions.values().forEach(s -> { + s.getAsyncRemote().sendText(message, result -> { + if (result.getException() != null) { + log.error("Unable to send message: {}", result.getException().getMessage()); + } + }); + }); + } +} diff --git a/api-java/api-quarkus/src/main/resources/META-INF/resources/index.html b/api-java/api-quarkus/src/main/resources/META-INF/resources/index.html new file mode 100644 index 0000000..b37f18a --- /dev/null +++ b/api-java/api-quarkus/src/main/resources/META-INF/resources/index.html @@ -0,0 +1,176 @@ + + + + + game - 1.0.0-SNAPSHOT + + + + + + +
+
+

Congratulations, you have created a new Quarkus cloud application.

+ +

What is this page?

+ +

This page is served by Quarkus. The source is in + src/main/resources/META-INF/resources/index.html.

+ +

What are your next steps?

+ +

If not already done, run the application in dev mode using: ./mvnw compile quarkus:dev. +

+
    +
  • Your static assets are located in src/main/resources/META-INF/resources.
    • +
  • Configure your application in src/main/resources/application.properties.
    • +
  • Quarkus now ships with a Dev UI (available in dev mode only)
    • +
  • Play with the provided code located in src/main/java:
    • +
+
+

WebSockets

+

WebSocket communication channel starter code

+ +

Related guide section...

+
+ +
+
+
+

Application

+
    +
  • GroupId: cloud.deuterium.pulsar
    • +
  • ArtifactId: game
    • +
  • Version: 1.0.0-SNAPSHOT
    • +
  • Quarkus Version: 2.5.0.Final
    • +
+
+
+

Do you like Quarkus?

+
    +
  • Go give it a star on GitHub.
    • +
+
+
+

Selected extensions guides

+ +
+
+

More reading

+ +
+
+
+ + \ No newline at end of file diff --git a/api-java/api-quarkus/src/main/resources/application.properties b/api-java/api-quarkus/src/main/resources/application.properties new file mode 100644 index 0000000..9f457aa --- /dev/null +++ b/api-java/api-quarkus/src/main/resources/application.properties @@ -0,0 +1,11 @@ + + +astra.streaming.tenant= +astra.service.url= +astra.auth.token= + +astra.streaming.namespace= +astra.streaming.consumer-topic=${astra.streaming.tenant}/${astra.streaming.namespace}/worldupdates +astra.streaming.producer-topic=persistent://${astra.streaming.consumer-topic} + +quarkus.http.port=8000 diff --git a/api-java/api-spring-boot/.gitignore b/api-java/api-spring-boot/.gitignore new file mode 100644 index 0000000..549e00a --- /dev/null +++ b/api-java/api-spring-boot/.gitignore @@ -0,0 +1,33 @@ +HELP.md +target/ +!.mvn/wrapper/maven-wrapper.jar +!**/src/main/**/target/ +!**/src/test/**/target/ + +### STS ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache + +### IntelliJ IDEA ### +.idea +*.iws +*.iml +*.ipr + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ +build/ +!**/src/main/**/build/ +!**/src/test/**/build/ + +### VS Code ### +.vscode/ diff --git a/api-java/api-spring-boot/mvnw b/api-java/api-spring-boot/mvnw new file mode 100644 index 0000000..a16b543 --- /dev/null +++ b/api-java/api-spring-boot/mvnw @@ -0,0 +1,310 @@ +#!/bin/sh +# ---------------------------------------------------------------------------- +# 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 +# +# 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. +# ---------------------------------------------------------------------------- + +# ---------------------------------------------------------------------------- +# Maven Start Up Batch script +# +# Required ENV vars: +# ------------------ +# JAVA_HOME - location of a JDK home dir +# +# Optional ENV vars +# ----------------- +# M2_HOME - location of maven2's installed home dir +# MAVEN_OPTS - parameters passed to the Java VM when running Maven +# e.g. to debug Maven itself, use +# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +# MAVEN_SKIP_RC - flag to disable loading of mavenrc files +# ---------------------------------------------------------------------------- + +if [ -z "$MAVEN_SKIP_RC" ] ; then + + if [ -f /etc/mavenrc ] ; then + . /etc/mavenrc + fi + + if [ -f "$HOME/.mavenrc" ] ; then + . "$HOME/.mavenrc" + fi + +fi + +# OS specific support. $var _must_ be set to either true or false. +cygwin=false; +darwin=false; +mingw=false +case "`uname`" in + CYGWIN*) cygwin=true ;; + MINGW*) mingw=true;; + Darwin*) darwin=true + # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home + # See https://developer.apple.com/library/mac/qa/qa1170/_index.html + if [ -z "$JAVA_HOME" ]; then + if [ -x "/usr/libexec/java_home" ]; then + export JAVA_HOME="`/usr/libexec/java_home`" + else + export JAVA_HOME="/Library/Java/Home" + fi + fi + ;; +esac + +if [ -z "$JAVA_HOME" ] ; then + if [ -r /etc/gentoo-release ] ; then + JAVA_HOME=`java-config --jre-home` + fi +fi + +if [ -z "$M2_HOME" ] ; then + ## resolve links - $0 may be a link to maven's home + PRG="$0" + + # need this for relative symlinks + while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG="`dirname "$PRG"`/$link" + fi + done + + saveddir=`pwd` + + M2_HOME=`dirname "$PRG"`/.. + + # make it fully qualified + M2_HOME=`cd "$M2_HOME" && pwd` + + cd "$saveddir" + # echo Using m2 at $M2_HOME +fi + +# For Cygwin, ensure paths are in UNIX format before anything is touched +if $cygwin ; then + [ -n "$M2_HOME" ] && + M2_HOME=`cygpath --unix "$M2_HOME"` + [ -n "$JAVA_HOME" ] && + JAVA_HOME=`cygpath --unix "$JAVA_HOME"` + [ -n "$CLASSPATH" ] && + CLASSPATH=`cygpath --path --unix "$CLASSPATH"` +fi + +# For Mingw, ensure paths are in UNIX format before anything is touched +if $mingw ; then + [ -n "$M2_HOME" ] && + M2_HOME="`(cd "$M2_HOME"; pwd)`" + [ -n "$JAVA_HOME" ] && + JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`" +fi + +if [ -z "$JAVA_HOME" ]; then + javaExecutable="`which javac`" + if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then + # readlink(1) is not available as standard on Solaris 10. + readLink=`which readlink` + if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then + if $darwin ; then + javaHome="`dirname \"$javaExecutable\"`" + javaExecutable="`cd \"$javaHome\" && pwd -P`/javac" + else + javaExecutable="`readlink -f \"$javaExecutable\"`" + fi + javaHome="`dirname \"$javaExecutable\"`" + javaHome=`expr "$javaHome" : '\(.*\)/bin'` + JAVA_HOME="$javaHome" + export JAVA_HOME + fi + fi +fi + +if [ -z "$JAVACMD" ] ; then + 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 + else + JAVACMD="`which java`" + fi +fi + +if [ ! -x "$JAVACMD" ] ; then + echo "Error: JAVA_HOME is not defined correctly." >&2 + echo " We cannot execute $JAVACMD" >&2 + exit 1 +fi + +if [ -z "$JAVA_HOME" ] ; then + echo "Warning: JAVA_HOME environment variable is not set." +fi + +CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher + +# traverses directory structure from process work directory to filesystem root +# first directory with .mvn subdirectory is considered project base directory +find_maven_basedir() { + + if [ -z "$1" ] + then + echo "Path not specified to find_maven_basedir" + return 1 + fi + + basedir="$1" + wdir="$1" + while [ "$wdir" != '/' ] ; do + if [ -d "$wdir"/.mvn ] ; then + basedir=$wdir + break + fi + # workaround for JBEAP-8937 (on Solaris 10/Sparc) + if [ -d "${wdir}" ]; then + wdir=`cd "$wdir/.."; pwd` + fi + # end of workaround + done + echo "${basedir}" +} + +# concatenates all lines of a file +concat_lines() { + if [ -f "$1" ]; then + echo "$(tr -s '\n' ' ' < "$1")" + fi +} + +BASE_DIR=`find_maven_basedir "$(pwd)"` +if [ -z "$BASE_DIR" ]; then + exit 1; +fi + +########################################################################################## +# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +# This allows using the maven wrapper in projects that prohibit checking in binary data. +########################################################################################## +if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found .mvn/wrapper/maven-wrapper.jar" + fi +else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..." + fi + if [ -n "$MVNW_REPOURL" ]; then + jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + else + jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + fi + while IFS="=" read key value; do + case "$key" in (wrapperUrl) jarUrl="$value"; break ;; + esac + done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties" + if [ "$MVNW_VERBOSE" = true ]; then + echo "Downloading from: $jarUrl" + fi + wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" + if $cygwin; then + wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"` + fi + + if command -v wget > /dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found wget ... using wget" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + wget "$jarUrl" -O "$wrapperJarPath" + else + wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" + fi + elif command -v curl > /dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found curl ... using curl" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + curl -o "$wrapperJarPath" "$jarUrl" -f + else + curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f + fi + + else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Falling back to using Java to download" + fi + javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java" + # For Cygwin, switch paths to Windows format before running javac + if $cygwin; then + javaClass=`cygpath --path --windows "$javaClass"` + fi + if [ -e "$javaClass" ]; then + if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Compiling MavenWrapperDownloader.java ..." + fi + # Compiling the Java class + ("$JAVA_HOME/bin/javac" "$javaClass") + fi + if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + # Running the downloader + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Running MavenWrapperDownloader.java ..." + fi + ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR") + fi + fi + fi +fi +########################################################################################## +# End of extension +########################################################################################## + +export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} +if [ "$MVNW_VERBOSE" = true ]; then + echo $MAVEN_PROJECTBASEDIR +fi +MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" + +# For Cygwin, switch paths to Windows format before running java +if $cygwin; then + [ -n "$M2_HOME" ] && + M2_HOME=`cygpath --path --windows "$M2_HOME"` + [ -n "$JAVA_HOME" ] && + JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"` + [ -n "$CLASSPATH" ] && + CLASSPATH=`cygpath --path --windows "$CLASSPATH"` + [ -n "$MAVEN_PROJECTBASEDIR" ] && + MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"` +fi + +# Provide a "standardized" way to retrieve the CLI args that will +# work with both Windows and non-Windows executions. +MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@" +export MAVEN_CMD_LINE_ARGS + +WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +exec "$JAVACMD" \ + $MAVEN_OPTS \ + -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ + "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ + ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" diff --git a/api-java/api-spring-boot/mvnw.cmd b/api-java/api-spring-boot/mvnw.cmd new file mode 100644 index 0000000..c8d4337 --- /dev/null +++ b/api-java/api-spring-boot/mvnw.cmd @@ -0,0 +1,182 @@ +@REM ---------------------------------------------------------------------------- +@REM Licensed to the Apache Software Foundation (ASF) under one +@REM or more contributor license agreements. See the NOTICE file +@REM distributed with this work for additional information +@REM regarding copyright ownership. The ASF licenses this file +@REM to you under the Apache License, Version 2.0 (the +@REM "License"); you may not use this file except in compliance +@REM with the License. You may obtain a copy of the License at +@REM +@REM https://www.apache.org/licenses/LICENSE-2.0 +@REM +@REM Unless required by applicable law or agreed to in writing, +@REM software distributed under the License is distributed on an +@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +@REM KIND, either express or implied. See the License for the +@REM specific language governing permissions and limitations +@REM under the License. +@REM ---------------------------------------------------------------------------- + +@REM ---------------------------------------------------------------------------- +@REM Maven Start Up Batch script +@REM +@REM Required ENV vars: +@REM JAVA_HOME - location of a JDK home dir +@REM +@REM Optional ENV vars +@REM M2_HOME - location of maven2's installed home dir +@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands +@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending +@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven +@REM e.g. to debug Maven itself, use +@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files +@REM ---------------------------------------------------------------------------- + +@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' +@echo off +@REM set title of command window +title %0 +@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on' +@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% + +@REM set %HOME% to equivalent of $HOME +if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") + +@REM Execute a user defined script before this one +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre +@REM check for pre script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat" +if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd" +:skipRcPre + +@setlocal + +set ERROR_CODE=0 + +@REM To isolate internal variables from possible post scripts, we use another setlocal +@setlocal + +@REM ==== START VALIDATION ==== +if not "%JAVA_HOME%" == "" goto OkJHome + +echo. +echo Error: JAVA_HOME not found in your environment. >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +:OkJHome +if exist "%JAVA_HOME%\bin\java.exe" goto init + +echo. +echo Error: JAVA_HOME is set to an invalid directory. >&2 +echo JAVA_HOME = "%JAVA_HOME%" >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +@REM ==== END VALIDATION ==== + +:init + +@REM Find the project base dir, i.e. the directory that contains the folder ".mvn". +@REM Fallback to current working directory if not found. + +set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% +IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir + +set EXEC_DIR=%CD% +set WDIR=%EXEC_DIR% +:findBaseDir +IF EXIST "%WDIR%"\.mvn goto baseDirFound +cd .. +IF "%WDIR%"=="%CD%" goto baseDirNotFound +set WDIR=%CD% +goto findBaseDir + +:baseDirFound +set MAVEN_PROJECTBASEDIR=%WDIR% +cd "%EXEC_DIR%" +goto endDetectBaseDir + +:baseDirNotFound +set MAVEN_PROJECTBASEDIR=%EXEC_DIR% +cd "%EXEC_DIR%" + +:endDetectBaseDir + +IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig + +@setlocal EnableExtensions EnableDelayedExpansion +for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a +@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% + +:endReadAdditionalConfig + +SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" +set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" +set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + +FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO ( + IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B +) + +@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +@REM This allows using the maven wrapper in projects that prohibit checking in binary data. +if exist %WRAPPER_JAR% ( + if "%MVNW_VERBOSE%" == "true" ( + echo Found %WRAPPER_JAR% + ) +) else ( + if not "%MVNW_REPOURL%" == "" ( + SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + ) + if "%MVNW_VERBOSE%" == "true" ( + echo Couldn't find %WRAPPER_JAR%, downloading it ... + echo Downloading from: %DOWNLOAD_URL% + ) + + powershell -Command "&{"^ + "$webclient = new-object System.Net.WebClient;"^ + "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^ + "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^ + "}"^ + "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^ + "}" + if "%MVNW_VERBOSE%" == "true" ( + echo Finished downloading %WRAPPER_JAR% + ) +) +@REM End of extension + +@REM Provide a "standardized" way to retrieve the CLI args that will +@REM work with both Windows and non-Windows executions. +set MAVEN_CMD_LINE_ARGS=%* + +%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* +if ERRORLEVEL 1 goto error +goto end + +:error +set ERROR_CODE=1 + +:end +@endlocal & set ERROR_CODE=%ERROR_CODE% + +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost +@REM check for post script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat" +if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd" +:skipRcPost + +@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' +if "%MAVEN_BATCH_PAUSE%" == "on" pause + +if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE% + +exit /B %ERROR_CODE% diff --git a/api-java/api-spring-boot/pom.xml b/api-java/api-spring-boot/pom.xml new file mode 100644 index 0000000..86d8d3f --- /dev/null +++ b/api-java/api-spring-boot/pom.xml @@ -0,0 +1,83 @@ + + + 4.0.0 + + org.springframework.boot + spring-boot-starter-parent + 2.6.0 + + + + com.example.api + game-api + 0.0.1-SNAPSHOT + api + Demo project for Spring Boot + + + 17 + 2.7.2 + + + + + + + org.springframework.boot + spring-boot-starter-web + + + + + org.springframework.boot + spring-boot-starter-websocket + + + + + org.apache.pulsar + pulsar-client + ${pulsar.version} + + + + + org.projectlombok + lombok + true + + + + + org.json + json + 20210307 + + + + + org.springframework.boot + spring-boot-starter-test + test + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + org.projectlombok + lombok + + + + + + + + diff --git a/api-java/api-spring-boot/src/main/java/com/example/api/PulsarApplication.java b/api-java/api-spring-boot/src/main/java/com/example/api/PulsarApplication.java new file mode 100644 index 0000000..0cba0b9 --- /dev/null +++ b/api-java/api-spring-boot/src/main/java/com/example/api/PulsarApplication.java @@ -0,0 +1,13 @@ +package com.example.api; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class PulsarApplication { + + public static void main(String[] args) { + SpringApplication.run(PulsarApplication.class, args); + } + +} diff --git a/api-java/api-spring-boot/src/main/java/com/example/api/config/GameHandshakeInterceptor.java b/api-java/api-spring-boot/src/main/java/com/example/api/config/GameHandshakeInterceptor.java new file mode 100644 index 0000000..72f70cd --- /dev/null +++ b/api-java/api-spring-boot/src/main/java/com/example/api/config/GameHandshakeInterceptor.java @@ -0,0 +1,26 @@ +package com.example.api.config; + +import org.springframework.http.server.ServerHttpRequest; +import org.springframework.http.server.ServerHttpResponse; +import org.springframework.web.socket.WebSocketHandler; +import org.springframework.web.socket.server.HandshakeInterceptor; + +import java.util.Map; + +public class GameHandshakeInterceptor implements HandshakeInterceptor { + + @Override + public boolean beforeHandshake(ServerHttpRequest request, ServerHttpResponse response, + WebSocketHandler wsHandler, Map attributes) throws Exception { + String path = request.getURI().getPath(); + String id = path.substring(path.lastIndexOf('/') + 1); + + attributes.put("id", id); + return true; + } + + @Override + public void afterHandshake(ServerHttpRequest request, ServerHttpResponse response, + WebSocketHandler wsHandler, Exception exception) { + } +} diff --git a/api-java/api-spring-boot/src/main/java/com/example/api/config/PulsarConfig.java b/api-java/api-spring-boot/src/main/java/com/example/api/config/PulsarConfig.java new file mode 100644 index 0000000..fc2c2df --- /dev/null +++ b/api-java/api-spring-boot/src/main/java/com/example/api/config/PulsarConfig.java @@ -0,0 +1,23 @@ +package com.example.api.config; + +import org.apache.pulsar.client.api.AuthenticationFactory; +import org.apache.pulsar.client.api.PulsarClient; +import org.apache.pulsar.client.api.PulsarClientException; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; + +@Configuration +public class PulsarConfig { + + @Bean + public PulsarClient pulsarClient(@Value("${astra.service.url}") String serviceUrl, + @Value("${astra.auth.token}") String authToken) throws PulsarClientException { + + return PulsarClient.builder() + .serviceUrl(serviceUrl) + .authentication(AuthenticationFactory.token(authToken)) + .build(); + } + +} diff --git a/api-java/api-spring-boot/src/main/java/com/example/api/config/WebsocketConfig.java b/api-java/api-spring-boot/src/main/java/com/example/api/config/WebsocketConfig.java new file mode 100644 index 0000000..4f75264 --- /dev/null +++ b/api-java/api-spring-boot/src/main/java/com/example/api/config/WebsocketConfig.java @@ -0,0 +1,33 @@ +package com.example.api.config; + +import org.springframework.beans.factory.annotation.Qualifier; +import org.springframework.context.annotation.Configuration; +import org.springframework.web.socket.WebSocketHandler; +import org.springframework.web.socket.config.annotation.*; + +@Configuration +@EnableWebSocket +public class WebsocketConfig implements WebSocketConfigurer { + + private final WebSocketHandler worldRouteHandler; + private final WebSocketHandler playerRouteHandler; + + public WebsocketConfig(@Qualifier("WorldRouteHandler") WebSocketHandler worldRouteHandler, + @Qualifier("PlayerRouteHandler") WebSocketHandler playerRouteHandler) { + this.worldRouteHandler = worldRouteHandler; + this.playerRouteHandler = playerRouteHandler; + } + + @Override + public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) { + + registry.addHandler(worldRouteHandler, "/ws/world/*") + .setAllowedOrigins("*") + .addInterceptors(new GameHandshakeInterceptor()); + + registry.addHandler(playerRouteHandler, "/ws/player/*") + .setAllowedOrigins("*") + .addInterceptors(new GameHandshakeInterceptor()); + + } +} diff --git a/api-java/api-spring-boot/src/main/java/com/example/api/util/Messaging.java b/api-java/api-spring-boot/src/main/java/com/example/api/util/Messaging.java new file mode 100644 index 0000000..560e774 --- /dev/null +++ b/api-java/api-spring-boot/src/main/java/com/example/api/util/Messaging.java @@ -0,0 +1,73 @@ +package com.example.api.util; + +import org.json.JSONObject; + +import java.util.UUID; + +public class Messaging { + + private static final int HALF_SIZE_X = 20; + private static final int HALF_SIZE_Y = 12; + + public static void validatePosition(JSONObject payload){ + if (!payload.isNull("x") && !payload.isNull("y")) { + int x = sanitizePosition(payload.getInt("x"), HALF_SIZE_X); + int y = sanitizePosition(payload.getInt("y"), HALF_SIZE_Y); + payload.put("x", x); + payload.put("y", y); + } + } + + private static int sanitizePosition(int val, int max) { + if (val < 0) return 0; + return Math.min(val, 2 * max - 2); + } + + // A default goodbye message to publish to the Pulsar topic + // in case a client disconnection is detected + public static String makeGoodbyeUpdate(String clientId){ + return """ + { + "messageType":"player", + "playerID": "%s", + "payload":{ + "x": null, + "y": null, + "h": false, + "generation": 0, + "playerName": "" + } + } + """.formatted(clientId); + } + + // A server-generated chat message to greet a new player + public static String makeWelcomeUpdate(){ + return """ + { + "messageType":"chat", + "playerID": "_api_server_", + "payload":{ + "id": "%s", + "playerName": "** API **", + "text": "Welcome to the game!" + } + } + """.formatted(UUID.randomUUID().toString()); + } + + // Prepare a message containing the field geometry info + public static String makeGeometryUpdate(){ + return """ + { + "messageType":"geometry", + "payload":{ + "halfSizeX": %d, + "halfSizeY": %d + } + } + """.formatted(HALF_SIZE_X, HALF_SIZE_Y); + } + + +} diff --git a/api-java/api-spring-boot/src/main/java/com/example/api/websocket/PlayerRouteHandler.java b/api-java/api-spring-boot/src/main/java/com/example/api/websocket/PlayerRouteHandler.java new file mode 100644 index 0000000..f81584c --- /dev/null +++ b/api-java/api-spring-boot/src/main/java/com/example/api/websocket/PlayerRouteHandler.java @@ -0,0 +1,78 @@ +package com.example.api.websocket; + +import lombok.extern.slf4j.Slf4j; +import org.apache.pulsar.client.api.Producer; +import org.apache.pulsar.client.api.PulsarClient; +import org.apache.pulsar.client.api.PulsarClientException; +import org.json.JSONObject; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.stereotype.Component; +import org.springframework.web.socket.CloseStatus; +import org.springframework.web.socket.TextMessage; +import org.springframework.web.socket.WebSocketSession; +import org.springframework.web.socket.handler.TextWebSocketHandler; + +import javax.annotation.PostConstruct; +import java.nio.charset.StandardCharsets; + +import static com.example.api.util.Messaging.makeGoodbyeUpdate; +import static com.example.api.util.Messaging.validatePosition; + +@Slf4j +@Component("PlayerRouteHandler") +public class PlayerRouteHandler extends TextWebSocketHandler { + + @Value("${astra.streaming.producer-topic}") + private String producerTopic; + + private final PulsarClient pulsarClient; + private Producer producer; + + public PlayerRouteHandler(PulsarClient pulsarClient) { + this.pulsarClient = pulsarClient; + } + + @PostConstruct + private void initialize() throws PulsarClientException { + this.producer = pulsarClient.newProducer() + .topic(producerTopic) + .create(); + } + + @Override + protected void handleTextMessage(WebSocketSession session, TextMessage message) throws Exception { + + String payload = message.getPayload(); + + try { + JSONObject json = new JSONObject(payload); + // The other type is : "chat" + if (json.has("messageType") && "player".equals(json.getString("messageType"))) { + JSONObject jsonPayload = json.getJSONObject("payload"); + validatePosition(jsonPayload); + } + json.put("playerID", session.getAttributes().get("id")); + // Send to pulsar + producer.send(json.toString().getBytes(StandardCharsets.UTF_8)); + } catch (Exception e) { + String id = session.getAttributes().get("id").toString(); + String json = makeGoodbyeUpdate(id); + producer.send(json.getBytes(StandardCharsets.UTF_8)); + } + } + + @Override + public void afterConnectionEstablished(WebSocketSession session) { + String id = session.getAttributes().get("id").toString(); + log.info("Connection established with User with id={}", id); + } + + @Override + public void afterConnectionClosed(WebSocketSession session, CloseStatus status) throws PulsarClientException { + String id = session.getAttributes().get("id").toString(); + log.info("Connection closed with User with id={}", id); + + String json = makeGoodbyeUpdate(id); + producer.send(json.getBytes(StandardCharsets.UTF_8)); + } +} diff --git a/api-java/api-spring-boot/src/main/java/com/example/api/websocket/WorldRouteHandler.java b/api-java/api-spring-boot/src/main/java/com/example/api/websocket/WorldRouteHandler.java new file mode 100644 index 0000000..d4b18b1 --- /dev/null +++ b/api-java/api-spring-boot/src/main/java/com/example/api/websocket/WorldRouteHandler.java @@ -0,0 +1,83 @@ +package com.example.api.websocket; + +import lombok.extern.slf4j.Slf4j; +import org.apache.pulsar.client.api.Consumer; +import org.apache.pulsar.client.api.MessageListener; +import org.apache.pulsar.client.api.PulsarClient; +import org.apache.pulsar.client.api.PulsarClientException; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.stereotype.Component; +import org.springframework.web.socket.CloseStatus; +import org.springframework.web.socket.TextMessage; +import org.springframework.web.socket.WebSocketSession; +import org.springframework.web.socket.handler.TextWebSocketHandler; + +import javax.annotation.PostConstruct; + +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; + +import static com.example.api.util.Messaging.makeGeometryUpdate; + + +@Slf4j +@Component("WorldRouteHandler") +public class WorldRouteHandler extends TextWebSocketHandler { + + @Value("${astra.streaming.consumer-topic}") + private String topic; + + private final Map worldSessions = new ConcurrentHashMap<>(); + private final PulsarClient pulsarClient; + private Consumer consumer; + + public WorldRouteHandler(PulsarClient pulsarClient) { + this.pulsarClient = pulsarClient; + } + + @PostConstruct + private void initialize() throws PulsarClientException { + MessageListener myMessageListener = (consumer, msg) -> { + try { + String received = new String(msg.getData()); + for (Map.Entry entry : worldSessions.entrySet()) { + WebSocketSession v = entry.getValue(); + v.sendMessage(new TextMessage(received)); + } + consumer.acknowledge(msg); + } catch (Exception e) { + consumer.negativeAcknowledge(msg); + } + }; + + this.consumer = pulsarClient.newConsumer() + .topic(topic) + .subscriptionName("game-subscription") + .messageListener(myMessageListener) + .subscribe(); + } + + @Override + protected void handleTextMessage(WebSocketSession session, TextMessage message) throws Exception { + log.info("Handle Text message in the World Route... Zzzzz..."); + } + + @Override + public void afterConnectionEstablished(WebSocketSession session) throws Exception { + String id = (String) session.getAttributes().get("id"); + log.info("Connection established with User with id={}", id); + worldSessions.put(id, session); + + // Note: this message is built here (i.e. no Pulsar involved) + // and directly sent to a single client, the one who just connected: + String position = makeGeometryUpdate(); + session.sendMessage(new TextMessage(position)); + } + + @Override + public void afterConnectionClosed(WebSocketSession session, CloseStatus status) throws Exception { + String id = (String) session.getAttributes().get("id"); + log.info("Connection closed with User with id={}", id); + worldSessions.remove(id); + } +} diff --git a/api-java/api-spring-boot/src/main/resources/application.properties b/api-java/api-spring-boot/src/main/resources/application.properties new file mode 100644 index 0000000..0b43c97 --- /dev/null +++ b/api-java/api-spring-boot/src/main/resources/application.properties @@ -0,0 +1,10 @@ + +astra.streaming.tenant= +astra.service.url= +astra.auth.token= + +astra.streaming.namespace= +astra.streaming.consumer-topic=${astra.streaming.tenant}/${astra.streaming.namespace}/worldupdates +astra.streaming.producer-topic=persistent://${astra.streaming.consumer-topic} + +server.port=8000