feat(WebSockets): client server WebSocket connect

11 files changed, 506 insertions, 42 deletions

diff --git a/.gitignore b/.gitignore
index 15778f5..07ff08d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,11 @@
 client/dist/*.js.map
 client/dist/*.js
 node_modules
+
+# Ignore Gradle project-specific cache directory
+.gradle
+
+# Ignore Gradle build output directory
+build
+.gitattributes
+.idea/
diff --git a/api/build.gradle b/api/build.gradle
new file mode 100644
index 0000000..3db517e
--- /dev/null
+++ b/api/build.gradle
@@ -0,0 +1,52 @@
+plugins {
+    id 'java'
+    // This time we're building a command-line executable application.
+    id 'application'
+}
+
+repositories {
+    jcenter()
+    mavenCentral()
+}
+
+dependencies {
+
+    // Use the Jersey framework to make writing and testing servlets easier.
+    implementation 'org.glassfish.jersey.containers:jersey-container-servlet-core:+'
+    implementation 'org.glassfish.jersey.containers:jersey-container-jetty-http:+'
+    implementation 'org.glassfish.jersey.core:jersey-server:+'
+    implementation 'org.glassfish.jersey.inject:jersey-hk2:+'
+    implementation 'org.glassfish.jersey.media:jersey-media-json-jackson:+'
+    // Use Jakarta (Java EE) for the servlet primitives.
+    implementation 'jakarta.servlet:jakarta.servlet-api:+'
+    // Use the Jetty server.
+    implementation 'org.eclipse.jetty:jetty-server:+'
+    implementation 'org.eclipse.jetty:jetty-servlet:+'
+    implementation 'org.eclipse.jetty:jetty-webapp:+'
+    implementation 'org.eclipse.jetty:jetty-websocket:+'
+    implementation 'org.eclipse.jetty.websocket:websocket-jetty-server:+'
+    // We want to have some logging output if things go wrong, so use the simple console logger from SLF4J.
+    // In our simple use case, the logger gets automatically configured by simply existing.
+    implementation 'org.slf4j:slf4j-simple:+'
+
+    // Reference the domain subproject.
+    // implementation project(':domain')
+
+    // Use JUnit Jupiter API for testing.
+    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.6.2'
+    // Also use the Mockito mocking framework to mock simple server functionality.
+    testImplementation "org.mockito:mockito-core:2.+"
+
+    // Use JUnit Jupiter Engine for testing.
+    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.6.2'
+}
+
+application {
+    // Define the main class for the application.
+    mainClassName = 'akkamon.api.App'
+}
+
+test {
+    useJUnitPlatform()
+}
+
diff --git a/api/src/main/java/akkamon/api/App.java b/api/src/main/java/akkamon/api/App.java
new file mode 100644
index 0000000..bc462d0
--- /dev/null
+++ b/api/src/main/java/akkamon/api/App.java
@@ -0,0 +1,42 @@
+package akkamon.api;
+
+import org.eclipse.jetty.server.Server;
+import org.eclipse.jetty.server.ServerConnector;
+import org.eclipse.jetty.servlet.ServletContextHandler;
+import org.eclipse.jetty.websocket.server.config.JettyWebSocketServletContainerInitializer;
+
+
+public class App {
+
+    public static void main(String[] args) {
+        Server server = new Server();
+        ServerConnector connector = new ServerConnector(server);
+        connector.setPort(8080);
+        server.addConnector(connector);
+
+        // application "context" ?
+        ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
+        context.setContextPath("/");
+        server.setHandler(context);
+
+        // websocket behaviour
+        // Configure specific websocket behavior
+        JettyWebSocketServletContainerInitializer.configure(context, (servletContext, wsContainer) ->
+        {
+            // Configure default max size
+            wsContainer.setMaxTextMessageSize(65535);
+
+            // Add websockets
+            wsContainer.addMapping("/", EventSocket.class);
+        });
+
+        try {
+            server.start();
+            server.join();
+        }
+        catch (Throwable t) {
+            t.printStackTrace(System.err);
+        }
+
+    }
+}
diff --git a/api/src/main/java/akkamon/api/EventSocket.java b/api/src/main/java/akkamon/api/EventSocket.java
new file mode 100644
index 0000000..1c7bafc
--- /dev/null
+++ b/api/src/main/java/akkamon/api/EventSocket.java
@@ -0,0 +1,52 @@
+package akkamon.api;
+
+import java.util.Locale;
+import java.util.concurrent.CountDownLatch;
+
+import org.eclipse.jetty.websocket.api.WebSocketAdapter;
+import org.eclipse.jetty.websocket.api.Session;
+import org.eclipse.jetty.websocket.api.StatusCode;
+
+
+public class EventSocket extends WebSocketAdapter {
+    private final CountDownLatch closureLatch = new CountDownLatch(1);
+
+    @Override
+    public void onWebSocketConnect(Session sess)
+    {
+        super.onWebSocketConnect(sess);
+        System.out.println("Socket Connected: " + sess);
+    }
+
+    @Override
+    public void onWebSocketText(String message)
+    {
+        super.onWebSocketText(message);
+        System.out.println("Received TEXT message: " + message);
+
+        if (message.toLowerCase(Locale.US).contains("bye")) {
+            getSession().close(StatusCode.NORMAL, "Thanks");
+        }
+    }
+
+    @Override
+    public void onWebSocketClose(int statusCode, String reason)
+    {
+        super.onWebSocketClose(statusCode, reason);
+        System.out.println("Socket Closed: [" + statusCode + "] " + reason);
+        closureLatch.countDown();
+    }
+
+    @Override
+    public void onWebSocketError(Throwable cause)
+    {
+        super.onWebSocketError(cause);
+        cause.printStackTrace(System.err);
+    }
+
+    public void awaitClosure() throws InterruptedException
+    {
+        System.out.println("Awaiting closure from remote");
+        closureLatch.await();
+    }
+}
diff --git a/client/src/game.ts b/client/src/game.ts
index ea9ca26..daaf5d9 100644
--- a/client/src/game.ts
+++ b/client/src/game.ts
@@ -1,4 +1,4 @@
-import 'phaser';
+import Phaser from 'phaser';
 
 export default class Demo extends Phaser.Scene
 {
@@ -24,6 +24,7 @@ export default class Demo extends Phaser.Scene
                           "assets/atlas/atlas.json");
     }
 
+
     create ()
     {
         const map = this.make.tilemap({ key: "map" });
@@ -49,7 +50,7 @@ export default class Demo extends Phaser.Scene
         // Create a sprite with physics enabled via the physics system. The image used for the sprite has
         // a bit of whitespace, so I'm using setSize & setOffset to control the size of the player's body.
         player = this.physics.add
-        .sprite(spawnPoint.x, spawnPoint.y, "atlas", "misa-front")
+        .sprite(spawnPoint.x as number, spawnPoint.y as number, "atlas", "misa-front")
         .setSize(30, 40)
         .setOffset(0, 24);
 
@@ -59,28 +60,28 @@ export default class Demo extends Phaser.Scene
         // animation manager so any sprite can access them.
         const anims = this.anims;
         anims.create({
-        key: "misa-left-walk",
-        frames: anims.generateFrameNames("atlas", { prefix: "misa-left-walk.", start: 0, end: 3, zeroPad: 3 }),
-        frameRate: 10,
-        repeat: -1
+            key: "misa-left-walk",
+            frames: anims.generateFrameNames("atlas", { prefix: "misa-left-walk.", start: 0, end: 3, zeroPad: 3 }),
+            frameRate: 10,
+            repeat: -1
         });
         anims.create({
-        key: "misa-right-walk",
-        frames: anims.generateFrameNames("atlas", { prefix: "misa-right-walk.", start: 0, end: 3, zeroPad: 3 }),
-        frameRate: 10,
-        repeat: -1
+            key: "misa-right-walk",
+            frames: anims.generateFrameNames("atlas", { prefix: "misa-right-walk.", start: 0, end: 3, zeroPad: 3 }),
+            frameRate: 10,
+            repeat: -1
         });
         anims.create({
-        key: "misa-front-walk",
-        frames: anims.generateFrameNames("atlas", { prefix: "misa-front-walk.", start: 0, end: 3, zeroPad: 3 }),
-        frameRate: 10,
-        repeat: -1
+            key: "misa-front-walk",
+            frames: anims.generateFrameNames("atlas", { prefix: "misa-front-walk.", start: 0, end: 3, zeroPad: 3 }),
+            frameRate: 10,
+            repeat: -1
         });
         anims.create({
-        key: "misa-back-walk",
-        frames: anims.generateFrameNames("atlas", { prefix: "misa-back-walk.", start: 0, end: 3, zeroPad: 3 }),
-        frameRate: 10,
-        repeat: -1
+            key: "misa-back-walk",
+            frames: anims.generateFrameNames("atlas", { prefix: "misa-back-walk.", start: 0, end: 3, zeroPad: 3 }),
+            frameRate: 10,
+            repeat: -1
         });
 
 
@@ -92,20 +93,22 @@ export default class Demo extends Phaser.Scene
         cursors = this.input.keyboard.createCursorKeys();
 
         // Debug graphics
-        this.input.keyboard.once("keydown_D", event => {
-        // Turn on physics debugging to show player's hitbox
-        this.physics.world.createDebugGraphic();
-
-        // Create worldLayer collision graphic above the player, but below the help text
-        const graphics = this.add
-        .graphics()
-        .setAlpha(0.75)
-        .setDepth(20);
-        worldLayer.renderDebug(graphics, {
-        tileColor: null, // Color of non-colliding tiles
-        collidingTileColor: new Phaser.Display.Color(243, 134, 48, 255), // Color of colliding tiles
-        faceColor: new Phaser.Display.Color(40, 39, 37, 255) // Color of colliding face edges
-        });
+        this.input.keyboard.once("keydown_D", (event: Event) => {
+            // Turn on physics debugging to show player's hitbox
+            this.physics.world.createDebugGraphic();
+
+            // Create worldLayer collision graphic above the player, but below the help text
+            const graphics = this.add
+            .graphics()
+            .setAlpha(0.75)
+            .setDepth(20);
+
+            worldLayer.renderDebug(graphics, {
+                tileColor: null, // Color of non-colliding tiles
+                collidingTileColor: new Phaser.Display.Color(243, 134, 48, 255), // Color of colliding tiles
+                faceColor: new Phaser.Display.Color(40, 39, 37, 255) // Color of colliding face edges
+            });
+
         });
 
         // Constrain the camera so that it isn't allowed to move outside the width/height of tilemap
@@ -171,8 +174,13 @@ const config = {
         }
     }
 };
-let cursors;
-let player;
-let showDebug = false;
+let cursors: Phaser.Types.Input.Keyboard.CursorKeys;
+let player: Phaser.Types.Physics.Arcade.SpriteWithDynamicBody;
+
+const socket = new WebSocket('ws://localhost:8080');
+socket.addEventListener('open', (e: Event) => {socket.send('Hello Server!');});
+socket.addEventListener('close', (e: Event) => {socket.send('Goodbye!');});
+
+// socket.send("bye");
 
 const game = new Phaser.Game(config);
diff --git a/client/tsconfig.json b/client/tsconfig.json
index cecd357..4da9d17 100644
--- a/client/tsconfig.json
+++ b/client/tsconfig.json
@@ -1,9 +1,21 @@
 {
-    "compilerOptions": {
-        "target": "es5",
-        "moduleResolution": "node"
-    },
-    "include": [
-        "./src/**/*"
-    ]
+  "include": [
+    "./src/**/*"
+  ],
+  "compilerOptions": {
+    "target": "es5",
+    "moduleResolution": "node",
+    "noEmit": true,
+    "strict": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "resolveJsonModule": true,
+    "allowSyntheticDefaultImports": true,
+    "importsNotUsedAsValues": "error",
+    "esModuleInterop": true,
+    "allowJs": true,
+    "noFallthroughCasesInSwitch": true,
+    "isolatedModules": true
+  }
 }
+
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..7454180
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.jar
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..69a9715
--- /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-7.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
new file mode 100755
index 0000000..744e882
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or 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 UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+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"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MSYS* | MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$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" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..107acd3
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem 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, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/settings.gradle b/settings.gradle
new file mode 100644
index 0000000..c353050
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1,11 @@
+/*
+ * This file was generated by the Gradle 'init' task.
+ *
+ * The settings file is used to specify which projects to include in your build.
+ *
+ * Detailed information about configuring a multi-project build in Gradle can be found
+ * in the user manual at https://docs.gradle.org/7.1/userguide/multi_project_builds.html
+ */
+
+rootProject.name = 'mvink_akkamons'
+include('model', 'api')