Examples with Http2Headers io.netty.handler.codec.http2.Http2Headers used on opensource projects

Example 16 with Http2Headers

use of io.netty.handler.codec.http2.Http2Headers in project netty by netty.

the class HelloWorldHttp2Handler method sendResponse.

/**
     * Sends a "Hello World" DATA frame to the client.
     */
private static void sendResponse(ChannelHandlerContext ctx, ByteBuf payload) {
    // Send a frame for the response status
    Http2Headers headers = new DefaultHttp2Headers().status(OK.codeAsText());
    ctx.write(new DefaultHttp2HeadersFrame(headers));
    ctx.writeAndFlush(new DefaultHttp2DataFrame(payload, true));
}

Example 17 with Http2Headers

use of io.netty.handler.codec.http2.Http2Headers in project netty by netty.

the class HelloWorldHttp2Handler method userEventTriggered.

/**
     * Handles the cleartext HTTP upgrade event. If an upgrade occurred, sends a simple response via HTTP/2
     * on stream 1 (the stream specifically reserved for cleartext HTTP upgrade).
     */
@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
    if (evt instanceof HttpServerUpgradeHandler.UpgradeEvent) {
        // Write an HTTP/2 response to the upgrade request
        Http2Headers headers = new DefaultHttp2Headers().status(OK.codeAsText()).set(new AsciiString(UPGRADE_RESPONSE_HEADER), new AsciiString("true"));
        encoder().writeHeaders(ctx, 1, headers, 0, true, ctx.newPromise());
    }
    super.userEventTriggered(ctx, evt);
}

Example 18 with Http2Headers

use of io.netty.handler.codec.http2.Http2Headers in project netty by netty.

the class Http2ConnectionRoundtripTest method headersUsingHigherValuedStreamIdPreventsUsingLowerStreamId.

@Test
public void headersUsingHigherValuedStreamIdPreventsUsingLowerStreamId() throws Exception {
    bootstrapEnv(1, 1, 1, 0);
    final Http2Headers headers = dummyHeaders();
    runInChannel(clientChannel, new Http2Runnable() {

        @Override
        public void run() throws Http2Exception {
            http2Client.encoder().writeHeaders(ctx(), 5, headers, 0, (short) 16, false, 0, false, newPromise());
            http2Client.encoder().frameWriter().writeHeaders(ctx(), 3, headers, 0, (short) 16, false, 0, false, newPromise());
            http2Client.flush(ctx());
        }
    });
    assertTrue(serverSettingsAckLatch.await(DEFAULT_AWAIT_TIMEOUT_SECONDS, SECONDS));
    assertTrue(requestLatch.await(DEFAULT_AWAIT_TIMEOUT_SECONDS, SECONDS));
    verify(serverListener).onHeadersRead(any(ChannelHandlerContext.class), eq(5), eq(headers), eq(0), eq((short) 16), eq(false), eq(0), eq(false));
    verify(serverListener, never()).onHeadersRead(any(ChannelHandlerContext.class), eq(3), any(Http2Headers.class), anyInt(), anyShort(), anyBoolean(), anyInt(), anyBoolean());
    // Client should receive a RST_STREAM for stream 3, but there is not Http2Stream object so the listener is never
    // notified.
    verify(serverListener, never()).onGoAwayRead(any(ChannelHandlerContext.class), anyInt(), anyLong(), any(ByteBuf.class));
    verify(serverListener, never()).onRstStreamRead(any(ChannelHandlerContext.class), anyInt(), anyLong());
    verify(clientListener, never()).onGoAwayRead(any(ChannelHandlerContext.class), anyInt(), anyLong(), any(ByteBuf.class));
    verify(clientListener, never()).onRstStreamRead(any(ChannelHandlerContext.class), anyInt(), anyLong());
}

Example 19 with Http2Headers

use of io.netty.handler.codec.http2.Http2Headers in project netty by netty.

the class Http2ConnectionRoundtripTest method priorityUsingHigherValuedStreamIdDoesNotPreventUsingLowerStreamId.

@Test
public void priorityUsingHigherValuedStreamIdDoesNotPreventUsingLowerStreamId() throws Exception {
    bootstrapEnv(1, 1, 2, 0);
    final Http2Headers headers = dummyHeaders();
    runInChannel(clientChannel, new Http2Runnable() {

        @Override
        public void run() throws Http2Exception {
            http2Client.encoder().writePriority(ctx(), 5, 3, (short) 14, false, newPromise());
            http2Client.encoder().writeHeaders(ctx(), 3, headers, 0, (short) 16, false, 0, false, newPromise());
            http2Client.flush(ctx());
        }
    });
    assertTrue(serverSettingsAckLatch.await(DEFAULT_AWAIT_TIMEOUT_SECONDS, SECONDS));
    assertTrue(requestLatch.await(DEFAULT_AWAIT_TIMEOUT_SECONDS, SECONDS));
    verify(serverListener).onPriorityRead(any(ChannelHandlerContext.class), eq(5), eq(3), eq((short) 14), eq(false));
    verify(serverListener).onHeadersRead(any(ChannelHandlerContext.class), eq(3), eq(headers), eq(0), eq((short) 16), eq(false), eq(0), eq(false));
    // Verify that no errors have been received.
    verify(serverListener, never()).onGoAwayRead(any(ChannelHandlerContext.class), anyInt(), anyLong(), any(ByteBuf.class));
    verify(serverListener, never()).onRstStreamRead(any(ChannelHandlerContext.class), anyInt(), anyLong());
    verify(clientListener, never()).onGoAwayRead(any(ChannelHandlerContext.class), anyInt(), anyLong(), any(ByteBuf.class));
    verify(clientListener, never()).onRstStreamRead(any(ChannelHandlerContext.class), anyInt(), anyLong());
}

Example 20 with Http2Headers

use of io.netty.handler.codec.http2.Http2Headers in project netty by netty.

the class Http2ConnectionRoundtripTest method listenerExceptionShouldCloseConnection.

@Test
public void listenerExceptionShouldCloseConnection() throws Exception {
    final Http2Headers headers = dummyHeaders();
    doThrow(new RuntimeException("Fake Exception")).when(serverListener).onHeadersRead(any(ChannelHandlerContext.class), eq(3), eq(headers), eq(0), eq((short) 16), eq(false), eq(0), eq(false));
    bootstrapEnv(1, 0, 1, 1);
    // Create a latch to track when the close occurs.
    final CountDownLatch closeLatch = new CountDownLatch(1);
    clientChannel.closeFuture().addListener(new ChannelFutureListener() {

        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            closeLatch.countDown();
        }
    });
    // Create a single stream by sending a HEADERS frame to the server.
    runInChannel(clientChannel, new Http2Runnable() {

        @Override
        public void run() throws Http2Exception {
            http2Client.encoder().writeHeaders(ctx(), 3, headers, 0, (short) 16, false, 0, false, newPromise());
            http2Client.flush(ctx());
        }
    });
    // Wait for the server to create the stream.
    assertTrue(serverSettingsAckLatch.await(DEFAULT_AWAIT_TIMEOUT_SECONDS, SECONDS));
    assertTrue(requestLatch.await(DEFAULT_AWAIT_TIMEOUT_SECONDS, SECONDS));
    // Wait for the close to occur.
    assertTrue(closeLatch.await(DEFAULT_AWAIT_TIMEOUT_SECONDS, SECONDS));
    assertFalse(clientChannel.isOpen());
}