examples.HTTP2Examples Maven / Gradle / Ivy
/*
* Copyright (c) 2011-2019 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package examples;
import io.vertx.core.Vertx;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.http.*;
import io.vertx.core.net.JksOptions;
/**
* @author Julien Viet
*/
public class HTTP2Examples {
public void example0(Vertx vertx) {
HttpServerOptions options = new HttpServerOptions()
.setUseAlpn(true)
.setSsl(true)
.setKeyStoreOptions(new JksOptions().setPath("/path/to/my/keystore"));
HttpServer server = vertx.createHttpServer(options);
}
public void example1(HttpServerRequest request) {
request.customFrameHandler(frame -> {
System.out.println("Received a frame type=" + frame.type() +
" payload" + frame.payload().toString());
});
}
public void example2(HttpServerResponse response) {
int frameType = 40;
int frameStatus = 10;
Buffer payload = Buffer.buffer("some data");
// Sending a frame to the client
response.writeCustomFrame(frameType, frameStatus, payload);
}
public void example3(HttpServerRequest request) {
// Reset the stream
request.response().reset();
}
public void example4(HttpServerRequest request) {
// Cancel the stream
request.response().reset(8);
}
public void example5(HttpServerRequest request) {
request.response().exceptionHandler(err -> {
if (err instanceof StreamResetException) {
StreamResetException reset = (StreamResetException) err;
System.out.println("Stream reset " + reset.getCode());
}
});
}
public void example6(HttpServerRequest request) {
HttpServerResponse response = request.response();
// Push main.js to the client
response
.push(HttpMethod.GET, "/main.js")
.onComplete(ar -> {
if (ar.succeeded()) {
// The server is ready to push the response
HttpServerResponse pushedResponse = ar.result();
// Send main.js response
pushedResponse.
putHeader("content-type", "application/json").
end("alert(\"Push response hello\")");
} else {
System.out.println("Could not push client resource " + ar.cause());
}
});
// Send the requested resource
response.sendFile("");
}
public void example7(Vertx vertx) {
HttpClientOptions options = new HttpClientOptions().
setProtocolVersion(HttpVersion.HTTP_2).
setSsl(true).
setUseAlpn(true).
setTrustAll(true);
HttpClient client = vertx.createHttpClient(options);
}
public void example8(Vertx vertx) {
HttpClientOptions options = new HttpClientOptions().setProtocolVersion(HttpVersion.HTTP_2);
HttpClient client = vertx.createHttpClient(options);
}
public void example9(HttpClientRequest request) {
int frameType = 40;
int frameStatus = 10;
Buffer payload = Buffer.buffer("some data");
// Sending a frame to the server
request.writeCustomFrame(frameType, frameStatus, payload);
}
public void example10(HttpClientRequest request) {
request.reset();
}
public void example11(HttpClientRequest request) {
request.reset(8);
}
public void example12(HttpClientRequest request) {
request.exceptionHandler(err -> {
if (err instanceof StreamResetException) {
StreamResetException reset = (StreamResetException) err;
System.out.println("Stream reset " + reset.getCode());
}
});
}
public void example13(HttpClient client) {
client.request(HttpMethod.GET, "/index.html")
.onSuccess(request -> {
request
.response().onComplete(response -> {
// Process index.html response
});
// Set a push handler to be aware of any resource pushed by the server
request.pushHandler(pushedRequest -> {
// A resource is pushed for this request
System.out.println("Server pushed " + pushedRequest.path());
// Set an handler for the response
pushedRequest.response().onComplete(pushedResponse -> {
System.out.println("The response for the pushed request");
});
});
// End the request
request.end();
});
}
public void example14(HttpClientRequest request) {
request.pushHandler(pushedRequest -> {
if (pushedRequest.path().equals("/main.js")) {
pushedRequest.reset();
} else {
// Handle it
}
});
}
public void example15(HttpClientResponse response) {
response.customFrameHandler(frame -> {
System.out.println("Received a frame type=" + frame.type() +
" payload" + frame.payload().toString());
});
}
public void example16(HttpServerRequest request) {
HttpConnection connection = request.connection();
}
public void example17(Vertx vertx, HttpServerOptions http2Options) {
HttpServer server = vertx.createHttpServer(http2Options);
server.connectionHandler(connection -> {
System.out.println("A client connected");
});
}
public void example18(HttpClientRequest request) {
HttpConnection connection = request.connection();
}
public void example19(Vertx vertx, HttpClientOptions options) {
vertx
.httpClientBuilder()
.with(options)
.withConnectHandler(connection -> {
System.out.println("Connected to the server");
})
.build();
}
public void example20(HttpConnection connection) {
connection.updateSettings(new Http2Settings().setMaxConcurrentStreams(100));
}
public void example21(HttpConnection connection) {
connection
.updateSettings(new Http2Settings().setMaxConcurrentStreams(100))
.onSuccess(v -> System.out.println("The settings update has been acknowledged "));
}
public void example22(HttpConnection connection) {
connection.remoteSettingsHandler(settings -> {
System.out.println("Received new settings");
});
}
public void example23(HttpConnection connection) {
Buffer data = Buffer.buffer();
for (byte i = 0;i < 8;i++) {
data.appendByte(i);
}
connection
.ping(data)
.onSuccess(pong -> System.out.println("Remote side replied"));
}
public void example24(HttpConnection connection) {
connection.pingHandler(ping -> {
System.out.println("Got pinged by remote side");
});
}
public void example25(HttpConnection connection) {
connection.shutdown();
}
public void example26(HttpConnection connection) {
connection.goAway(0);
}
public void example27(HttpConnection connection) {
connection.goAwayHandler(goAway -> {
System.out.println("Received a go away frame");
});
}
public void example28(HttpConnection connection) {
connection.goAway(0);
connection.shutdownHandler(v -> {
// All streams are closed, close the connection
connection.close();
});
}
public void useMaxStreams(Vertx vertx) {
HttpClientOptions clientOptions = new HttpClientOptions().
setHttp2MultiplexingLimit(10).
setHttp2MaxPoolSize(3);
// Uses up to 3 connections and up to 10 streams per connection
HttpClient client = vertx.createHttpClient(clientOptions);
}
}