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First prototype of runnign with untertow.
This commit is contained in:
Manuel Friedli 2023-04-02 10:15:22 +02:00
parent 682e0d0f25
commit 0bc1114aec
Signed by: manuel
GPG key ID: 41D08ABA75634DA1
8 changed files with 281 additions and 270 deletions
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22
src/main/java/ch/fritteli/labyrinth/server/LabyrinthServer.java
View file

@ -119,15 +119,13 @@ public class LabyrinthServer {
}
responseHeaders.add("Content-type", output.getContentType());
if (output.isAttachment()) {
responseHeaders.add(
"Content-disposition",
String.format("attachment; filename=\"labyrinth-%dx%d-%d.%s\"",
width,
height,
id,
output.getFileExtension()
)
);
responseHeaders.add("Content-disposition", String.format(
"attachment; filename=\"labyrinth-%dx%d-%d.%s\"",
width,
height,
id,
output.getFileExtension()
));
}
exchange.sendResponseHeaders(200, 0);
final OutputStream responseBody = exchange.getResponseBody();
@ -254,7 +252,7 @@ public class LabyrinthServer {
}
}
private enum OutputType {
public enum OutputType {
TEXT_PLAIN("text/plain; charset=UTF-8",
labyrinth -> TextRenderer.newInstance().render(labyrinth).getBytes(StandardCharsets.UTF_8),
"txt",
@ -303,7 +301,7 @@ public class LabyrinthServer {
this.names = List.of(names);
}
static Option<OutputType> ofString(@Nullable final String name) {
public static Option<OutputType> ofString(@Nullable final String name) {
if (name == null) {
return Option.none();
}
@ -316,7 +314,7 @@ public class LabyrinthServer {
return this.names.last();
}
byte[] render(@NonNull final Labyrinth labyrinth) {
public byte[] render(@NonNull final Labyrinth labyrinth) {
return this.render.apply(labyrinth);
}
}

37
src/main/java/ch/fritteli/labyrinth/server/ServerConfig.java
View file

@ -10,7 +10,6 @@ import org.jetbrains.annotations.Nullable;
import java.net.InetAddress;
@AllArgsConstructor(access = AccessLevel.PRIVATE)
@Slf4j
@Value
@ -18,8 +17,7 @@ public class ServerConfig {
public static final String SYSPROP_HOST = "fritteli.labyrinth.server.host";
public static final String SYSPROP_PORT = "fritteli.labyrinth.server.port";
@NonNull
InetAddress address;
@NonNull InetAddress address;
int port;
public ServerConfig(@Nullable final String address, final int port) throws ConfigurationException {
@ -28,6 +26,19 @@ public class ServerConfig {
log.debug("host={}, port={}", this.address, this.port);
}
@NonNull
private static InetAddress validateAddress(@Nullable final String address) {
return Try.of(() -> InetAddress.getByName(address))
.getOrElseThrow(cause -> new ConfigurationException("Invalid hostname/address: " + address, cause));
}
private static int validatePort(final int port) {
if (port < 0 || port > 0xFFFF) {
throw new ConfigurationException("Port out of range (0..65535): " + port);
}
return port;
}
@NonNull
public static ServerConfig init() throws ConfigurationException {
final String host = System.getProperty(SYSPROP_HOST);
@ -36,26 +47,16 @@ public class ServerConfig {
return new ServerConfig(host, port);
}
@NonNull
private static InetAddress validateAddress(@Nullable final String address) {
return Try.of(() -> InetAddress.getByName(address))
.getOrElseThrow(cause -> new ConfigurationException("Invalid hostname/address: " + address, cause));
}
private static int validatePort(@Nullable final String portString) {
if (portString == null) {
log.info("No port configured; using default.");
return 0;
}
return Try.of(() -> Integer.valueOf(portString))
.map(ServerConfig::validatePort)
.getOrElseThrow(cause -> new ConfigurationException("Failed to parse port specified in system property '" + SYSPROP_PORT + "': " + portString, cause));
}
private static int validatePort(final int port) {
if (port < 0 || port > 0xFFFF) {
throw new ConfigurationException("Port out of range (0..65535): " + port);
}
return port;
.map(ServerConfig::validatePort)
.getOrElseThrow(cause -> new ConfigurationException(
"Failed to parse port specified in system property '" + SYSPROP_PORT + "': " + portString,
cause
));
}
}

84
src/main/java/ch/fritteli/labyrinth/server/StaticResourcesFileHandler.java
View file

@ -24,43 +24,6 @@ public class StaticResourcesFileHandler implements HttpHandler {
log.debug("Created {}", this.getClass().getSimpleName());
}
private static void redirect(@NonNull final HttpExchange exchange, @NonNull final String target) throws IOException {
log.debug("Sending redirect to {}", target);
exchange.getResponseHeaders().add("Location", target);
exchange.sendResponseHeaders(302, -1);
}
private static void notFound(@NonNull final HttpExchange exchange, @NonNull final String path) throws IOException {
log.debug("Resource '{}' not found, replying with HTTP 404", path);
exchange.getResponseHeaders().add("Content-type", "text/plain; charset=utf-8");
exchange.sendResponseHeaders(404, 0);
exchange.getResponseBody().write("404 - Not found".getBytes(StandardCharsets.UTF_8));
exchange.getResponseBody().flush();
}
@NonNull
private static byte[] getBytes(@NonNull final String path) throws IOException {
final InputStream stream = StaticResourcesFileHandler.class.getClassLoader().getResourceAsStream(WEBASSETS_DIRECTORY + path);
if (stream == null) {
log.debug("Resource '{}' not found in classpath.", path);
return new byte[0];
}
final byte[] response = IOUtils.toByteArray(stream);
log.debug("Sending reply; {} bytes", response.length);
return response;
}
@Nullable
private static String getMimeType(@NonNull final String path) {
if (path.endsWith(".html")) {
return "text/html";
}
if (path.endsWith(".css")) {
return "text/css";
}
return null;
}
@Override
public void handle(@NonNull final HttpExchange exchange) throws IOException {
this.executorService.submit(() -> {
@ -86,7 +49,13 @@ public class StaticResourcesFileHandler implements HttpHandler {
notFound(exchange, path);
return;
}
log.debug("Serving {}{} with mimetype {}: {} bytes", WEBASSETS_DIRECTORY, path, mimeType, responseBytes.length);
log.debug(
"Serving {}{} with mimetype {}: {} bytes",
WEBASSETS_DIRECTORY,
path,
mimeType,
responseBytes.length
);
exchange.getResponseHeaders().add("Content-type", mimeType);
exchange.sendResponseHeaders(200, 0);
exchange.getResponseBody().write(responseBytes);
@ -98,4 +67,43 @@ public class StaticResourcesFileHandler implements HttpHandler {
}
});
}
private static void redirect(@NonNull final HttpExchange exchange, @NonNull final String target) throws
IOException {
log.debug("Sending redirect to {}", target);
exchange.getResponseHeaders().add("Location", target);
exchange.sendResponseHeaders(302, -1);
}
private static void notFound(@NonNull final HttpExchange exchange, @NonNull final String path) throws IOException {
log.debug("Resource '{}' not found, replying with HTTP 404", path);
exchange.getResponseHeaders().add("Content-type", "text/plain; charset=utf-8");
exchange.sendResponseHeaders(404, 0);
exchange.getResponseBody().write("404 - Not found".getBytes(StandardCharsets.UTF_8));
exchange.getResponseBody().flush();
}
@Nullable
private static String getMimeType(@NonNull final String path) {
if (path.endsWith(".html")) {
return "text/html";
}
if (path.endsWith(".css")) {
return "text/css";
}
return null;
}
@NonNull
private static byte[] getBytes(@NonNull final String path) throws IOException {
final InputStream stream = StaticResourcesFileHandler.class.getClassLoader()
.getResourceAsStream(WEBASSETS_DIRECTORY + path);
if (stream == null) {
log.debug("Resource '{}' not found in classpath.", path);
return new byte[0];
}
final byte[] response = IOUtils.toByteArray(stream);
log.debug("Sending reply; {} bytes", response.length);
return response;
}
}

108
src/main/java/ch/fritteli/labyrinth/server/undertow_playground/UndertowPlayground.java
View file

@ -1,5 +1,7 @@
package ch.fritteli.labyrinth.server.undertow_playground;
import ch.fritteli.labyrinth.generator.model.Labyrinth;
import ch.fritteli.labyrinth.server.LabyrinthServer;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
import io.undertow.server.RoutingHandler;
@ -10,69 +12,69 @@ import io.vavr.control.Option;
import lombok.NonNull;
import lombok.extern.slf4j.Slf4j;
import java.nio.ByteBuffer;
import java.util.Deque;
import java.util.Map;
import java.util.Random;
@Slf4j
public class UndertowPlayground {
public static final RoutingHandler r = new RoutingHandler()
.get("/create/{output}", new HttpHandler() {
@Override
public void handleRequest(HttpServerExchange exchange) throws Exception {
if (exchange.isInIoThread()) {
exchange.dispatch(this);
return;
}
final Map<String, Deque<String>> queryParameters = exchange.getQueryParameters();
final Option<String> output = getFirstOption(queryParameters, "output");
final Option<Integer> width = getIntOption(queryParameters, "width");
final Option<Integer> height = getIntOption(queryParameters, "height");
final Option<Integer> id = getIntOption(queryParameters, "id");
public static final RoutingHandler r = new RoutingHandler().get("/create/{output}", new HttpHandler() {
@Override
public void handleRequest(HttpServerExchange exchange) throws Exception {
if (exchange.isInIoThread()) {
exchange.dispatch(this);
return;
}
final Map<String, Deque<String>> queryParameters = exchange.getQueryParameters();
final Option<String> output = getFirstOption(queryParameters, "output");
final Option<Integer> width = getIntOption(queryParameters, "width");
final Option<Integer> height = getIntOption(queryParameters, "height");
final Option<Integer> id = getIntOption(queryParameters, "id");
log.info("Output: {}", output);
log.info("Width: {}", width);
log.info("Height: {}", height);
log.info("Id: {}", id);
exchange.getResponseSender().send(
"Output: " + output +
", Width: " + width +
", Height: " + height +
", Id: " + id
);
}
})
.post("/render", new HttpHandler() {
@Override
public void handleRequest(final HttpServerExchange exchange) {
if (exchange.isInIoThread()) {
exchange.dispatch(this);
return;
}
exchange.getResponseSender().send("TODO: read body, render stuff");
}
})
.setFallbackHandler(new HttpHandler() {
@Override
public void handleRequest(HttpServerExchange exchange) throws Exception {
exchange.getResponseSender().send("Request: " + exchange.getRequestURI());
final HeaderValues strings = exchange.getRequestHeaders().get(Headers.ACCEPT);
strings.peekFirst();
}
}
);
log.info("Output: {}", output);
log.info("Width: {}", width);
log.info("Height: {}", height);
log.info("Id: {}", id);
final Integer theId = id.getOrElse(() -> new Random().nextInt());
final Labyrinth labyrinth = new Labyrinth(width.get(), height.get(), theId);
final LabyrinthServer.OutputType outputType = output.flatMap(LabyrinthServer.OutputType::ofString).get();
final byte[] result = outputType.render(labyrinth);
exchange.getResponseHeaders().put(Headers.CONTENT_TYPE, outputType.getContentType());
exchange.getResponseHeaders().put(HttpString.tryFromString("X-Labyrinth-ID"), String.valueOf(theId));
exchange.getResponseHeaders()
.put(HttpString.tryFromString("X-Labyrinth-Width"), String.valueOf(width.get()));
exchange.getResponseHeaders()
.put(HttpString.tryFromString("X-Labyrinth-Height"), String.valueOf(height.get()));
exchange.getResponseSender().send(ByteBuffer.wrap(result));
}
}).post("/render", new HttpHandler() {
@Override
public void handleRequest(final HttpServerExchange exchange) {
if (exchange.isInIoThread()) {
exchange.dispatch(this);
return;
}
exchange.getResponseSender().send("TODO: read body, render stuff");
}
}).setFallbackHandler(new HttpHandler() {
@Override
public void handleRequest(HttpServerExchange exchange) throws Exception {
exchange.getResponseSender().send("Request: " + exchange.getRequestURI());
final HeaderValues strings = exchange.getRequestHeaders().get(Headers.ACCEPT);
strings.peekFirst();
}
});
@NonNull
private static Option<String> getFirstOption(@NonNull final Map<String, Deque<String>> queryParams, @NonNull final String paramName) {
return Option.of(queryParams.get(paramName))
.map(Deque::peek)
.flatMap(Option::of);
private static Option<Integer> getIntOption(@NonNull final Map<String, Deque<String>> queryParams,
@NonNull final String paramName) {
return getFirstOption(queryParams, paramName).toTry().map(Integer::parseInt).toOption();
}
@NonNull
private static Option<Integer> getIntOption(@NonNull final Map<String, Deque<String>> queryParams, @NonNull final String paramName) {
return getFirstOption(queryParams, paramName)
.toTry()
.map(Integer::parseInt)
.toOption();
private static Option<String> getFirstOption(@NonNull final Map<String, Deque<String>> queryParams,
@NonNull final String paramName) {
return Option.of(queryParams.get(paramName)).map(Deque::peek).flatMap(Option::of);
}
}

24
src/main/resources/logback.xml
View file

@ -1,17 +1,17 @@
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<shutdownHook class="ch.qos.logback.core.hook.DefaultShutdownHook"/>
<shutdownHook class="ch.qos.logback.core.hook.DefaultShutdownHook"/>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<!-- encoders are by default assigned the type
ch.qos.logback.classic.encoder.PatternLayoutEncoder -->
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
</encoder>
</appender>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<!-- encoders are by default assigned the type
ch.qos.logback.classic.encoder.PatternLayoutEncoder -->
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
</encoder>
</appender>
<root level="info">
<appender-ref ref="STDOUT"/>
</root>
<logger name="ch.fritteli.labyrinth.server.StaticResourcesFileHandler" level="debug"/>
<root level="info">
<appender-ref ref="STDOUT"/>
</root>
<logger name="ch.fritteli.labyrinth.server.StaticResourcesFileHandler" level="debug"/>
</configuration>

8
src/main/resources/webassets/index.html
View file

@ -3,7 +3,7 @@
<head>
<meta charset="UTF-8">
<title>Labyrinth Generator</title>
<link rel="stylesheet" href="style.css">
<link href="style.css" rel="stylesheet">
</head>
<body>
<div class="content">
@ -11,8 +11,8 @@
<p>Enter some values, click the "Create!" button and see what happens!</p>
<form action="/create" method="get">
<div class="inputs-wrapper">
<label for="width">Width:</label><input id="width" name="width" type="number" min="1" required>
<label for="height">Height:</label><input id="height" name="height" type="number" min="1" required>
<label for="width">Width:</label><input id="width" min="1" name="width" required type="number">
<label for="height">Height:</label><input id="height" min="1" name="height" required type="number">
<label for="output">Output format:</label>
<select id="output" name="output" required>
<option label="HTML Document" value="html"></option>
@ -24,7 +24,7 @@
<label for="id">Seed (optional):</label><input id="id" name="id" type="number">
</div>
<div class="controls-wrapper">
<button type="submit" class="primary">Create!</button>
<button class="primary" type="submit">Create!</button>
<button type="reset">Reset form</button>
</div>
</form>