feat: starting point for the server, implemented LobbyConnection partially

This commit is contained in:
Yannik Bretschneider 2021-04-29 20:27:40 +02:00
parent 57f3b9abc5
commit b4415fdb53
18 changed files with 666 additions and 34 deletions

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<module external.linked.project.id="Server" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" type="JAVA_MODULE" version="4"> <module external.linked.project.id="Server" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" type="JAVA_MODULE" version="4" />
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Server/Server.ipr Normal file
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<entry name="!?*.scala"/>
<entry name="!?*.groovy"/>
<entry name="!?*.java"/>
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<component name="Encoding" useUTFGuessing="true" native2AsciiForPropertiesFiles="false"/>
<component name="GradleUISettings">
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<setting name="root"/>
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<component name="IdProvider" IDEtalkID="11DA1DB66DD62DDA1ED602B7079FE97C"/>
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apply plugin: 'idea' plugins {
apply plugin: 'java' id 'java'
id 'idea'
}
repositories {
mavenCentral()
jcenter()
}
test {
useJUnitPlatform()
maxParallelForks = 8
}
dependencies {
implementation "org.java-websocket:Java-WebSocket:1.5.1"
testImplementation "org.junit.jupiter:junit-jupiter-api:5.8.0-M1"
testImplementation "org.mockito:mockito-all:2.0.2-beta"
testImplementation "org.assertj:assertj-core:3.19.0"
testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:5.8.0-M1"
}

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Server/gradle/wrapper/gradle-wrapper.jar vendored Normal file

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185
Server/gradlew vendored Normal file
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#!/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 "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$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 "$JAVACMD" "$@"

89
Server/gradlew.bat vendored Normal file
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@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

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package uulm.teamname.marvelous.server.Lobby;
public class Lobby {
}

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package uulm.teamname.marvelous.server.LobbyManager;
import uulm.teamname.marvelous.server.Lobby.Lobby;
import java.net.http.WebSocket;
import java.util.HashSet;
/**
* A class that handles the connection to the lobby. It contains distinct websockets for player1, player2 and spectators.
* The class is meant to be used in conjecture with {@link MessageRelay}.
*/
public class LobbyConnection {
private Lobby lobby;
private WebSocket player1;
private WebSocket player2;
private HashSet<WebSocket> spectators;
/**
* Creates a new LobbyConnection from a given lobby
* @param lobby is the lobby that will be connected to
*/
public LobbyConnection(Lobby lobby) {
this.lobby = lobby;
this.spectators = new HashSet<>(10);
}
/**
* @return whether there is a player1
*/
public boolean hasPlayer1() {
return player1 == null;
}
/**
* @return whether there is a player2
*/
public boolean hasPlayer2() {
return player2 == null;
}
/**
* Adds a new player into the player1 slot
* @param player is the websocket to be added
* @return true if added successfully, and false otherwise
*/
public boolean addPlayer1(WebSocket player) {
if (this.contains(player)) return false;
if (player1 == null) {
player1 = player;
return true;
} else {
return false;
}
}
/**
* Adds a new player into the player1 slot
* @param player is the websocket to be added
* @return true if added successfully, and false otherwise
*/
public boolean addPlayer2(WebSocket player) {
if (this.contains(player)) return false;
if (player2 == null) {
player2 = player;
return true;
} else {
return false;
}
}
/**
* Adds a new player into either the player1, or if full, player2 slot
* @param player is the websocket to be added
* @return true if added successfully, and false otherwise
*/
public boolean addPlayer(WebSocket player) {
if (!addPlayer1(player)) {
return addPlayer2(player);
}
return true;
}
public boolean removePlayer(WebSocket player) {
if (player1 == player) {
player1 = null;
return true;
} else if (player2 == player) {
player2 = null;
return true;
} else {
return spectators.remove(player);
}
}
public boolean contains(WebSocket webSocket) {
return player1 == webSocket || player2 == webSocket || spectators.contains(webSocket);
}
}

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@ -0,0 +1,29 @@
package uulm.teamname.marvelous.server.LobbyManager;
import org.java_websocket.WebSocket;
import uulm.teamname.marvelous.server.Lobby.Lobby;
import java.util.HashMap;
public class MessageRelay {
private HashMap<WebSocket, Lobby> lobbies;
private HashMap<Lobby, WebSocket> sockets;
public MessageRelay() {
this.lobbies = new HashMap<>();
this.sockets = new HashMap<>();
}
public void relayMessage (WebSocket conn, String message) {
var targetLobby = lobbies.get(conn);
// TODO: Parse JSON
// TODO: send to target lobby
}
public void broadcastEvents (Lobby origin/*, Event[] events*/) {
// TODO: Create JSON
// TODO: send to target
}
}

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package uulm.teamname.marvelous.server.NetConnector;
import org.java_websocket.WebSocket;
import org.java_websocket.handshake.ClientHandshake;
import org.java_websocket.server.WebSocketServer;
public class MarvelousServer extends WebSocketServer {
@Override
public void onOpen(WebSocket conn, ClientHandshake handshake) {
}
@Override
public void onClose(WebSocket conn, int code, String reason, boolean remote) {
}
@Override
public void onMessage(WebSocket conn, String message) {
}
@Override
public void onError(WebSocket conn, Exception ex) {
}
@Override
public void onStart() {
}
}

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@ -1,4 +0,0 @@
package uulm.teamname.marvelous.server.LobbyManager;
public class MessageRelay {
}