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Mirror von https://github.com/PaperMC/Velocity.git synchronisiert 2024-09-29 06:30:16 +02:00
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Remove connection pool for HTTP connections for now.

Quellcode durchsuchen 
The upstream feature this relies on will be gone in Netty 5.x and there
is probably more benefit in using the connection's event loop to connect
to Mojang's authentication servers.
Dieser Commit ist enthalten in:
Andrew Steinborn 2019-03-10 23:40:18 -04:00
Ursprung 432d570474
Commit 45574ce952
3 geänderte Dateien mit 36 neuen und 65 gelöschten Zeilen
Statistiken anzeigen Patch-Datei herunterladen Vergleichs-Datei herunterladen Alle Dateien ausklappen Alle Dateien einklappen

7
proxy/src/main/java/com/velocitypowered/proxy/connection/client/LoginSessionHandler.java
Datei anzeigen

@ -1,5 +1,6 @@
package com.velocitypowered.proxy.connection.client;
import static com.google.common.net.UrlEscapers.urlFormParameterEscaper;
import static com.velocitypowered.api.network.ProtocolVersion.MINECRAFT_1_13;
import static com.velocitypowered.proxy.VelocityServer.GSON;
import static com.velocitypowered.proxy.connection.VelocityConstants.EMPTY_BYTE_ARRAY;
@ -120,10 +121,10 @@ public class LoginSessionHandler implements MinecraftSessionHandler {
String playerIp = ((InetSocketAddress) mcConnection.getRemoteAddress()).getHostString();
String url = String.format(MOJANG_HASJOINED_URL,
UrlEscapers.urlFormParameterEscaper().escape(login.getUsername()), serverId,
UrlEscapers.urlFormParameterEscaper().escape(playerIp));
urlFormParameterEscaper().escape(login.getUsername()), serverId,
urlFormParameterEscaper().escape(playerIp));
server.getHttpClient()
.get(new URL(url))
.get(new URL(url), mcConnection.eventLoop())
.thenAcceptAsync(profileResponse -> {
if (mcConnection.isClosed()) {
// The player disconnected after we authenticated them.

88
proxy/src/main/java/com/velocitypowered/proxy/network/http/NettyHttpClient.java
Datei anzeigen

@ -1,14 +1,10 @@
package com.velocitypowered.proxy.network.http;
import com.google.common.base.VerifyException;
import com.velocitypowered.proxy.VelocityServer;
import io.netty.bootstrap.Bootstrap;
import io.netty.channel.Channel;
import io.netty.channel.pool.AbstractChannelPoolMap;
import io.netty.channel.pool.ChannelPoolHandler;
import io.netty.channel.pool.ChannelPoolMap;
import io.netty.channel.pool.FixedChannelPool;
import io.netty.channel.pool.SimpleChannelPool;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.EventLoop;
import io.netty.handler.codec.http.DefaultFullHttpRequest;
import io.netty.handler.codec.http.HttpClientCodec;
import io.netty.handler.codec.http.HttpHeaderNames;
@ -25,8 +21,8 @@ import javax.net.ssl.SSLEngine;
public class NettyHttpClient {
private final ChannelPoolMap<HostAndSsl, SimpleChannelPool> poolMap;
private final String userAgent;
private final VelocityServer server;
/**
* Initializes the HTTP client.
@ -35,48 +31,16 @@ public class NettyHttpClient {
*/
public NettyHttpClient(VelocityServer server) {
this.userAgent = server.getVersion().getName() + "/" + server.getVersion().getVersion();
Bootstrap bootstrap = server.initializeGenericBootstrap();
this.poolMap = new AbstractChannelPoolMap<HostAndSsl, SimpleChannelPool>() {
@Override
protected SimpleChannelPool newPool(HostAndSsl key) {
return new FixedChannelPool(bootstrap.remoteAddress(key.address), new ChannelPoolHandler() {
@Override
public void channelReleased(Channel channel) throws Exception {
channel.pipeline().remove("collector");
}
@Override
public void channelAcquired(Channel channel) throws Exception {
// We don't do anything special when acquiring channels. The channel handler cleans up
// after each connection is used.
}
@Override
public void channelCreated(Channel channel) throws Exception {
if (key.ssl) {
SslContext context = SslContextBuilder.forClient().protocols("TLSv1.2").build();
// Unbelievably, Java doesn't automatically check the CN to make sure we're talking
// to the right host! Therefore, we provide the intended host name and port, along
// with asking Java very nicely if it could check the hostname in the certificate
// for us.
SSLEngine engine = context.newEngine(channel.alloc(), key.address.getHostString(),
key.address.getPort());
engine.getSSLParameters().setEndpointIdentificationAlgorithm("HTTPS");
channel.pipeline().addLast("ssl", new SslHandler(engine));
}
channel.pipeline().addLast("http", new HttpClientCodec());
}
}, 8);
}
};
this.server = server;
}
/**
* Attempts an HTTP GET request to the specified URL.
* @param url the URL to fetch
* @param loop the event loop to use
* @return a future representing the response
*/
public CompletableFuture<SimpleHttpResponse> get(URL url) {
public CompletableFuture<SimpleHttpResponse> get(URL url, EventLoop loop) {
String host = url.getHost();
int port = url.getPort();
boolean ssl = url.getProtocol().equals("https");
@ -84,27 +48,37 @@ public class NettyHttpClient {
port = ssl ? 443 : 80;
}
HostAndSsl key = new HostAndSsl(InetSocketAddress.createUnresolved(host, port), ssl);
InetSocketAddress address = InetSocketAddress.createUnresolved(host, port);
CompletableFuture<SimpleHttpResponse> reply = new CompletableFuture<>();
poolMap.get(key)
.acquire()
.addListener(future -> {
if (future.isSuccess()) {
Channel channel = (Channel) future.getNow();
if (channel == null) {
throw new VerifyException("Null channel retrieved from pool!");
server.initializeGenericBootstrap(loop)
.handler(new ChannelInitializer<Channel>() {
@Override
protected void initChannel(Channel ch) throws Exception {
if (ssl) {
SslContext context = SslContextBuilder.forClient().protocols("TLSv1.2").build();
// Unbelievably, Java doesn't automatically check the CN to make sure we're talking
// to the right host! Therefore, we provide the intended host name and port, along
// with asking Java very nicely if it could check the hostname in the certificate
// for us.
SSLEngine engine = context.newEngine(ch.alloc(), address.getHostString(),
address.getPort());
engine.getSSLParameters().setEndpointIdentificationAlgorithm("HTTPS");
ch.pipeline().addLast("ssl", new SslHandler(engine));
}
channel.pipeline().addLast("collector", new SimpleHttpResponseCollector(reply));
ch.pipeline().addLast("http", new HttpClientCodec());
ch.pipeline().addLast("collector", new SimpleHttpResponseCollector(reply));
}
})
.connect(address)
.addListener((ChannelFutureListener) future -> {
if (future.isSuccess()) {
Channel channel = future.channel();
DefaultFullHttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1,
HttpMethod.GET, url.getPath() + "?" + url.getQuery());
request.headers().add(HttpHeaderNames.HOST, url.getHost());
request.headers().add(HttpHeaderNames.USER_AGENT, userAgent);
channel.writeAndFlush(request);
// Make sure to release this connection
reply.whenComplete((resp, err) -> poolMap.get(key).release(channel));
channel.writeAndFlush(request, channel.voidPromise());
} else {
reply.completeExceptionally(future.cause());
}

6
proxy/src/main/java/com/velocitypowered/proxy/network/http/SimpleHttpResponseCollector.java
Datei anzeigen

@ -16,7 +16,6 @@ class SimpleHttpResponseCollector extends ChannelInboundHandlerAdapter {
private final StringBuilder buffer = new StringBuilder();
private final CompletableFuture<SimpleHttpResponse> reply;
private int httpCode;
private boolean canKeepAlive;
SimpleHttpResponseCollector(CompletableFuture<SimpleHttpResponse> reply) {
this.reply = reply;
@ -29,16 +28,13 @@ class SimpleHttpResponseCollector extends ChannelInboundHandlerAdapter {
HttpResponse response = (HttpResponse) msg;
HttpResponseStatus status = response.status();
this.httpCode = status.code();
this.canKeepAlive = HttpUtil.isKeepAlive(response);
}
if (msg instanceof HttpContent) {
buffer.append(((HttpContent) msg).content().toString(StandardCharsets.UTF_8));
if (msg instanceof LastHttpContent) {
if (!canKeepAlive) {
ctx.close();
}
ctx.close();
reply.complete(new SimpleHttpResponse(httpCode, buffer.toString()));
}
}