Commit inicial.

.gitignore

@@ -0,0 +1,7 @@
+/.gradle
+/.idea
+/out
+/build
+*.iml
+*.ipr
+*.iws

build.gradle

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+buildscript {
+    repositories {
+        jcenter()
+    }
+    
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+apply plugin: 'kotlin'
+apply plugin: 'application'
+
+group 'dev.araozu'
+version '0.0.1'
+mainClassName = "io.ktor.server.netty.EngineMain"
+
+sourceSets {
+    main.kotlin.srcDirs = main.java.srcDirs = ['src']
+    test.kotlin.srcDirs = test.java.srcDirs = ['test']
+    main.resources.srcDirs = ['resources']
+    test.resources.srcDirs = ['testresources']
+}
+
+repositories {
+    mavenLocal()
+    jcenter()
+    maven { url 'https://kotlin.bintray.com/ktor' }
+}
+
+dependencies {
+    compile("org.jetbrains.exposed:exposed-core:0.24.1")
+    compile("org.jetbrains.exposed:exposed-dao:0.24.1")
+    compile("org.jetbrains.exposed:exposed-jdbc:0.24.1")
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
+    implementation "io.ktor:ktor-server-netty:$ktor_version"
+    implementation "ch.qos.logback:logback-classic:$logback_version"
+    implementation "io.ktor:ktor-server-core:$ktor_version"
+    implementation "io.ktor:ktor-websockets:$ktor_version"
+    implementation "io.ktor:ktor-gson:$ktor_version"
+    implementation 'com.google.code.gson:gson:2.8.5'
+    testImplementation "io.ktor:ktor-server-tests:$ktor_version"
+}

gradle.properties

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+ktor_version=1.3.2
+kotlin.code.style=official
+kotlin_version=1.3.70
+logback_version=1.2.1

gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

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+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  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 "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+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, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$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`="\"$arg\""
+        fi
+        i=$((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"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

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+@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 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=
+
+@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 init
+
+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 init
+
+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
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+: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 %CMD_LINE_ARGS%
+
+: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

resources/application.conf

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+ktor {
+    deployment {
+        port = 8080
+        port = ${?PORT}
+    }
+    application {
+        modules = [ dev.araozu.ApplicationKt.module ]
+    }
+}

resources/logback.xml

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+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{YYYY-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+        </encoder>
+    </appender>
+    <root level="trace">
+        <appender-ref ref="STDOUT"/>
+    </root>
+    <logger name="org.eclipse.jetty" level="INFO"/>
+    <logger name="io.netty" level="INFO"/>
+</configuration>

settings.gradle

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+rootProject.name = "rimajon"

src/Application.kt

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+package dev.araozu
+
+import io.ktor.application.*
+import io.ktor.features.*
+import io.ktor.gson.*
+import io.ktor.http.*
+import io.ktor.http.cio.websocket.*
+import io.ktor.response.*
+import io.ktor.routing.*
+import io.ktor.websocket.*
+import java.text.DateFormat
+import java.time.Duration
+
+fun main(args: Array<String>): Unit = io.ktor.server.netty.EngineMain.main(args)
+
+@Suppress("unused") // Referenced in application.conf
+@kotlin.jvm.JvmOverloads
+fun Application.module(testing: Boolean = false) {
+    install(CORS) {
+        method(HttpMethod.Options)
+        method(HttpMethod.Post)
+        method(HttpMethod.Put)
+        method(HttpMethod.Delete)
+        method(HttpMethod.Patch)
+        header(HttpHeaders.Authorization)
+        header(HttpHeaders.Accept)
+        header(HttpHeaders.ContentType)
+        allowCredentials = true
+        anyHost() // @TODO: Don't do this in production if possible. Try to limit it.
+    }
+
+    install(WebSockets) {
+        pingPeriod = Duration.ofSeconds(15)
+        timeout = Duration.ofSeconds(15)
+        maxFrameSize = Long.MAX_VALUE
+        masking = false
+    }
+
+    install(ContentNegotiation) {
+        gson {
+            setDateFormat(DateFormat.LONG)
+            setPrettyPrinting()
+        }
+    }
+
+    routing {
+        get("/json/gson") {
+            call.respond(mapOf("hello" to "world"))
+        }
+
+        this.crearJuego()
+        this.wsjuego()
+        this.usuarios()
+    }
+}
+

src/GestorJuegos.kt

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+package dev.araozu
+
+import io.ktor.http.cio.websocket.*
+
+data class Juego(val usuarios: ArrayList<Pair<String, Boolean>>) {
+
+    private val cartas: Array<Int> = GestorJuegos.generarCartas()
+    val conexiones: ArrayList<WebSocketSession> = arrayListOf()
+
+    fun agregarConexion(conexion: WebSocketSession) {
+        conexiones.add(conexion)
+    }
+
+    fun agregarUsuario(idUsuario: String) {
+        usuarios.add(Pair(idUsuario, true))
+    }
+
+}
+
+object GestorJuegos {
+
+    private val todasCartas = arrayOf(
+        34, 34, 2, 2, 35, 35, 3, 3, 36, 36, 4, 4, 37, 37, 5, 5, 38, 38, 6, 6, 39, 39, 7, 7, 40, 40, 8, 8, 41,
+        41, 9, 9, 42, 42, 10, 10, 43, 43, 11, 11, 44, 44, 12, 12, 45, 45, 13, 13, 46, 46, 14, 14, 47, 47, 15, 15, 48,
+        48, 16, 16, 49, 49, 17, 17, 50, 50, 18, 18, 51, 51, 19, 19, 52, 52, 20, 20, 53, 53, 21, 21, 64, 64, 64, 64, 96,
+        96, 96, 96, 128, 128, 128, 128, 160, 160, 160, 160, 192, 224, 256, 192, 224, 256, 192, 224, 256, 192, 224, 256
+    )
+
+    private val letras = arrayOf(
+        'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
+        'U', 'V', 'W', 'X', 'Y', 'Z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'
+    )
+
+    val juegos = HashMap<String, Juego>()
+
+    fun generarId(): String {
+        var str = ""
+        for (i in 0 until 6) {
+            str += letras[(Math.random() * letras.size).toInt()]
+        }
+        return str
+    }
+
+    fun generarCartas(): Array<Int> {
+        val cartasR = todasCartas.clone()
+
+        var max = cartasR.size - 1
+        while (max > 0) {
+            val indice = (Math.random() * max).toInt()
+            val elemR = cartasR[indice]
+            cartasR[indice] = cartasR[max]
+            cartasR[max] = elemR
+            max -= 1
+        }
+
+        return cartasR
+    }
+
+    private suspend fun broadcast(juego: Juego, mensaje: String) {
+        juego.conexiones.forEach { socket ->
+            socket.send(Frame.Text(mensaje))
+        }
+    }
+
+    suspend fun conectarASala(idJuego: String, idUsuario: String, ws: WebSocketSession) {
+        val juego = juegos[idJuego]!!
+        val nombreUsuario = GestorUsuarios.obtenerNombreUsuario(idUsuario)
+        val mensaje = "{\"operacion\": \"usuario_conectado\", \"idUsuario\": \"$idUsuario\", \"nombreUsuario\": \"${nombreUsuario}\"}"
+
+        broadcast(juego, mensaje)
+
+        var str = "["
+        for ((idUsuarioAct, _) in juego.usuarios) {
+            val nombreUsuarioAct = GestorUsuarios.obtenerNombreUsuario(idUsuarioAct)
+            if (str.length != 1) str += ","
+            str += "{\"idUsuario\": \"$idUsuarioAct\", \"nombreUsuario\": \"$nombreUsuarioAct\"}"
+        }
+        str += "]"
+        juego.agregarConexion(ws)
+        juego.agregarUsuario(idUsuario)
+        ws.send(Frame.Text("{\"operacion\": \"conexion_exitosa\", \"jugadores\": $str}"))
+    }
+
+}

src/GestorUsuarios.kt

@@ -0,0 +1,39 @@
+package dev.araozu
+
+import io.ktor.http.cio.websocket.*
+
+object GestorUsuarios {
+
+    private val usuarios: HashMap<String, String> = HashMap()
+
+    private val letras = arrayOf(
+        'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
+        'U', 'V', 'W', 'X', 'Y', 'Z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'
+    )
+
+    private fun generarId(): String {
+        var str = ""
+        for (i in 0 until 15) {
+            str += letras[(Math.random() * letras.size).toInt()]
+        }
+        return str
+    }
+
+    fun crearUsuario(nombreUsuario: String): String {
+        var idUsuario = generarId()
+        while (usuarios.containsKey(idUsuario)) {
+            idUsuario = generarId()
+        }
+        usuarios[idUsuario] = nombreUsuario
+        return idUsuario
+    }
+
+    fun validarUsuario(idUsuario: String): String? {
+        return usuarios[idUsuario]
+    }
+
+    fun obtenerNombreUsuario(idUsuario: String): String {
+        return usuarios[idUsuario]!!
+    }
+
+}

src/Juego.kt

@@ -0,0 +1,41 @@
+package dev.araozu
+
+import io.ktor.application.*
+import io.ktor.http.*
+import io.ktor.request.*
+import io.ktor.response.*
+import io.ktor.routing.*
+
+data class InfoJuego(val id: String)
+data class DataCrearJuego(val idUsuario: String)
+
+fun Routing.crearJuego() {
+
+    post("/partida") {
+        val dataUsuario = call.receive<DataCrearJuego>()
+
+        var sigId = GestorJuegos.generarId()
+        while (GestorJuegos.juegos.containsKey(sigId)) {
+            sigId = GestorJuegos.generarId()
+        }
+
+        val juego = Juego(arrayListOf())
+        GestorJuegos.juegos[sigId] = juego
+
+        call.respondText("{\"id\": \"$sigId\"}", contentType = ContentType.Application.Json)
+    }
+
+    post("/partida-join") {
+        val infoJuego = call.receive<InfoJuego>()
+        if (infoJuego.id.length != 6) {
+            call.respondText("{\"error\": \"ID invalido.\"}", contentType = ContentType.Application.Json)
+        }
+
+        if (GestorJuegos.juegos.containsKey(infoJuego.id)) {
+            call.respondText("{\"ok\": true}", contentType = ContentType.Application.Json)
+        } else {
+            call.respondText("{\"error\": \"El juego no existe\"}", contentType = ContentType.Application.Json)
+        }
+    }
+
+}

src/Usuarios.kt

@@ -0,0 +1,37 @@
+package dev.araozu
+
+import io.ktor.application.*
+import io.ktor.http.*
+import io.ktor.request.*
+import io.ktor.response.*
+import io.ktor.routing.*
+
+data class Usuario(val nombreUsuario: String)
+data class UsuarioValidar(val nombreUsuario: String, val idUsuario: String)
+
+fun Routing.usuarios() {
+
+    post("/usuario/crear") {
+        val nombreUsuario = call.receive<Usuario>().nombreUsuario
+        val idUsuario = GestorUsuarios.crearUsuario(nombreUsuario)
+        call.respondText("{\"id\": \"$idUsuario\"}", contentType = ContentType.Application.Json)
+    }
+
+    post("/usuario/validar") {
+        val datos = call.receive<UsuarioValidar>()
+        val nombreUsuarioValidado = GestorUsuarios.validarUsuario(datos.idUsuario)
+        if (nombreUsuarioValidado != null) {
+            if (nombreUsuarioValidado == datos.nombreUsuario) {
+                call.respondText("{\"estado\": \"ok\"}", contentType = ContentType.Application.Json)
+            } else {
+                call.respondText(
+                    "{\"estado\": \"nombreUsuarioInvalido\", \"nombreUsuario\": \"$nombreUsuarioValidado\"}",
+                    contentType = ContentType.Application.Json
+                )
+            }
+        } else {
+            call.respondText("{\"estado\": \"idInvalido\"}", contentType = ContentType.Application.Json)
+        }
+    }
+
+}

src/WSJuego.kt

@@ -0,0 +1,31 @@
+package dev.araozu
+
+import com.google.gson.Gson
+import io.ktor.http.cio.websocket.*
+import io.ktor.routing.*
+import io.ktor.websocket.*
+
+data class Conexion(val operacion: String, val datos: String)
+
+data class ConexionNueva(val idJuego: String, val idUsuario: String)
+
+fun Routing.wsjuego() {
+    val gson = Gson()
+    webSocket("/socket") {
+
+        for (frame in incoming) {
+            when (frame) {
+                is Frame.Text -> {
+                    val datos = gson.fromJson(frame.readText(), Conexion::class.java)
+                    when (datos.operacion) {
+                        "conectar" -> {
+                            val datos2 = gson.fromJson(datos.datos, ConexionNueva::class.java)
+                            GestorJuegos.conectarASala(datos2.idJuego, datos2.idUsuario, this)
+                        }
+                    }
+                }
+            }
+        }
+
+    }
+}

test/ApplicationTest.kt

@@ -0,0 +1,26 @@
+package dev.araozu
+
+import io.ktor.application.*
+import io.ktor.response.*
+import io.ktor.request.*
+import io.ktor.features.*
+import io.ktor.routing.*
+import io.ktor.http.*
+import io.ktor.websocket.*
+import io.ktor.http.cio.websocket.*
+import java.time.*
+import io.ktor.gson.*
+import kotlin.test.*
+import io.ktor.server.testing.*
+
+class ApplicationTest {
+    @Test
+    fun testRoot() {
+        withTestApplication({ module(testing = true) }) {
+            handleRequest(HttpMethod.Get, "/").apply {
+                assertEquals(HttpStatusCode.OK, response.status())
+                assertEquals("HELLO WORLD!", response.content)
+            }
+        }
+    }
+}