Examples with Http2Exception io.netty.handler.codec.http2.Http2Exception used on opensource projects

Example 51 with Http2Exception

use of io.netty.handler.codec.http2.Http2Exception in project netty by netty.

the class Http2ConnectionHandler method onConnectionError.

/**
 * Handler for a connection error. Sends a GO_AWAY frame to the remote endpoint. Once all
 * streams are closed, the connection is shut down.
 *
 * @param ctx the channel context
 * @param outbound {@code true} if the error was caused by an outbound operation.
 * @param cause the exception that was caught
 * @param http2Ex the {@link Http2Exception} that is embedded in the causality chain. This may
 *            be {@code null} if it's an unknown exception.
 */
protected void onConnectionError(ChannelHandlerContext ctx, boolean outbound, Throwable cause, Http2Exception http2Ex) {
    if (http2Ex == null) {
        http2Ex = new Http2Exception(INTERNAL_ERROR, cause.getMessage(), cause);
    }
    ChannelPromise promise = ctx.newPromise();
    ChannelFuture future = goAway(ctx, http2Ex, ctx.newPromise());
    if (http2Ex.shutdownHint() == Http2Exception.ShutdownHint.GRACEFUL_SHUTDOWN) {
        doGracefulShutdown(ctx, future, promise);
    } else {
        future.addListener(newClosingChannelFutureListener(ctx, promise));
    }
}

Example 52 with Http2Exception

use of io.netty.handler.codec.http2.Http2Exception in project netty by netty.

the class DefaultHttp2FrameWriter method writeHeadersInternal.

private ChannelFuture writeHeadersInternal(ChannelHandlerContext ctx, int streamId, Http2Headers headers, int padding, boolean endStream, boolean hasPriority, int streamDependency, short weight, boolean exclusive, ChannelPromise promise) {
    ByteBuf headerBlock = null;
    SimpleChannelPromiseAggregator promiseAggregator = new SimpleChannelPromiseAggregator(promise, ctx.channel(), ctx.executor());
    try {
        verifyStreamId(streamId, STREAM_ID);
        if (hasPriority) {
            verifyStreamOrConnectionId(streamDependency, STREAM_DEPENDENCY);
            verifyPadding(padding);
            verifyWeight(weight);
        }
        // Encode the entire header block.
        headerBlock = ctx.alloc().buffer();
        headersEncoder.encodeHeaders(streamId, headers, headerBlock);
        Http2Flags flags = new Http2Flags().endOfStream(endStream).priorityPresent(hasPriority).paddingPresent(padding > 0);
        // Read the first fragment (possibly everything).
        int nonFragmentBytes = padding + flags.getNumPriorityBytes();
        int maxFragmentLength = maxFrameSize - nonFragmentBytes;
        ByteBuf fragment = headerBlock.readRetainedSlice(min(headerBlock.readableBytes(), maxFragmentLength));
        // Set the end of headers flag for the first frame.
        flags.endOfHeaders(!headerBlock.isReadable());
        int payloadLength = fragment.readableBytes() + nonFragmentBytes;
        ByteBuf buf = ctx.alloc().buffer(HEADERS_FRAME_HEADER_LENGTH);
        writeFrameHeaderInternal(buf, payloadLength, HEADERS, flags, streamId);
        writePaddingLength(buf, padding);
        if (hasPriority) {
            buf.writeInt(exclusive ? (int) (0x80000000L | streamDependency) : streamDependency);
            // Adjust the weight so that it fits into a single byte on the wire.
            buf.writeByte(weight - 1);
        }
        ctx.write(buf, promiseAggregator.newPromise());
        // Write the first fragment.
        ctx.write(fragment, promiseAggregator.newPromise());
        // Write out the padding, if any.
        if (paddingBytes(padding) > 0) {
            ctx.write(ZERO_BUFFER.slice(0, paddingBytes(padding)), promiseAggregator.newPromise());
        }
        if (!flags.endOfHeaders()) {
            writeContinuationFrames(ctx, streamId, headerBlock, promiseAggregator);
        }
    } catch (Http2Exception e) {
        promiseAggregator.setFailure(e);
    } catch (Throwable t) {
        promiseAggregator.setFailure(t);
        promiseAggregator.doneAllocatingPromises();
        PlatformDependent.throwException(t);
    } finally {
        if (headerBlock != null) {
            headerBlock.release();
        }
    }
    return promiseAggregator.doneAllocatingPromises();
}

Example 53 with Http2Exception

use of io.netty.handler.codec.http2.Http2Exception in project netty by netty.

the class DefaultHttp2FrameWriter method writePushPromise.

@Override
public ChannelFuture writePushPromise(ChannelHandlerContext ctx, int streamId, int promisedStreamId, Http2Headers headers, int padding, ChannelPromise promise) {
    ByteBuf headerBlock = null;
    SimpleChannelPromiseAggregator promiseAggregator = new SimpleChannelPromiseAggregator(promise, ctx.channel(), ctx.executor());
    try {
        verifyStreamId(streamId, STREAM_ID);
        verifyStreamId(promisedStreamId, "Promised Stream ID");
        verifyPadding(padding);
        // Encode the entire header block into an intermediate buffer.
        headerBlock = ctx.alloc().buffer();
        headersEncoder.encodeHeaders(streamId, headers, headerBlock);
        // Read the first fragment (possibly everything).
        Http2Flags flags = new Http2Flags().paddingPresent(padding > 0);
        // INT_FIELD_LENGTH is for the length of the promisedStreamId
        int nonFragmentLength = INT_FIELD_LENGTH + padding;
        int maxFragmentLength = maxFrameSize - nonFragmentLength;
        ByteBuf fragment = headerBlock.readRetainedSlice(min(headerBlock.readableBytes(), maxFragmentLength));
        flags.endOfHeaders(!headerBlock.isReadable());
        int payloadLength = fragment.readableBytes() + nonFragmentLength;
        ByteBuf buf = ctx.alloc().buffer(PUSH_PROMISE_FRAME_HEADER_LENGTH);
        writeFrameHeaderInternal(buf, payloadLength, PUSH_PROMISE, flags, streamId);
        writePaddingLength(buf, padding);
        // Write out the promised stream ID.
        buf.writeInt(promisedStreamId);
        ctx.write(buf, promiseAggregator.newPromise());
        // Write the first fragment.
        ctx.write(fragment, promiseAggregator.newPromise());
        // Write out the padding, if any.
        if (paddingBytes(padding) > 0) {
            ctx.write(ZERO_BUFFER.slice(0, paddingBytes(padding)), promiseAggregator.newPromise());
        }
        if (!flags.endOfHeaders()) {
            writeContinuationFrames(ctx, streamId, headerBlock, promiseAggregator);
        }
    } catch (Http2Exception e) {
        promiseAggregator.setFailure(e);
    } catch (Throwable t) {
        promiseAggregator.setFailure(t);
        promiseAggregator.doneAllocatingPromises();
        PlatformDependent.throwException(t);
    } finally {
        if (headerBlock != null) {
            headerBlock.release();
        }
    }
    return promiseAggregator.doneAllocatingPromises();
}

Example 54 with Http2Exception

use of io.netty.handler.codec.http2.Http2Exception in project netty by netty.

the class InboundHttp2ToHttpAdapterTest method clientRequestOneDataFrame.

@Test
public void clientRequestOneDataFrame() throws Exception {
    boostrapEnv(1, 1, 1);
    final String text = "hello world";
    final ByteBuf content = Unpooled.copiedBuffer(text.getBytes());
    final FullHttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/some/path/resource2", content, true);
    try {
        HttpHeaders httpHeaders = request.headers();
        httpHeaders.setInt(HttpConversionUtil.ExtensionHeaderNames.STREAM_ID.text(), 3);
        httpHeaders.setInt(HttpHeaderNames.CONTENT_LENGTH, text.length());
        httpHeaders.setShort(HttpConversionUtil.ExtensionHeaderNames.STREAM_WEIGHT.text(), (short) 16);
        final Http2Headers http2Headers = new DefaultHttp2Headers().method(new AsciiString("GET")).path(new AsciiString("/some/path/resource2"));
        runInChannel(clientChannel, new Http2Runnable() {

            @Override
            public void run() throws Http2Exception {
                clientHandler.encoder().writeHeaders(ctxClient(), 3, http2Headers, 0, false, newPromiseClient());
                clientHandler.encoder().writeData(ctxClient(), 3, content.retainedDuplicate(), 0, true, newPromiseClient());
                clientChannel.flush();
            }
        });
        awaitRequests();
        ArgumentCaptor<FullHttpMessage> requestCaptor = ArgumentCaptor.forClass(FullHttpMessage.class);
        verify(serverListener).messageReceived(requestCaptor.capture());
        capturedRequests = requestCaptor.getAllValues();
        assertEquals(request, capturedRequests.get(0));
    } finally {
        request.release();
    }
}

Example 55 with Http2Exception

use of io.netty.handler.codec.http2.Http2Exception in project netty by netty.

the class InboundHttp2ToHttpAdapterTest method clientRequestMultipleDataFrames.

@Test
public void clientRequestMultipleDataFrames() throws Exception {
    boostrapEnv(1, 1, 1);
    final String text = "hello world big time data!";
    final ByteBuf content = Unpooled.copiedBuffer(text.getBytes());
    final FullHttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/some/path/resource2", content, true);
    try {
        HttpHeaders httpHeaders = request.headers();
        httpHeaders.setInt(HttpConversionUtil.ExtensionHeaderNames.STREAM_ID.text(), 3);
        httpHeaders.setInt(HttpHeaderNames.CONTENT_LENGTH, text.length());
        httpHeaders.setShort(HttpConversionUtil.ExtensionHeaderNames.STREAM_WEIGHT.text(), (short) 16);
        final Http2Headers http2Headers = new DefaultHttp2Headers().method(new AsciiString("GET")).path(new AsciiString("/some/path/resource2"));
        final int midPoint = text.length() / 2;
        runInChannel(clientChannel, new Http2Runnable() {

            @Override
            public void run() throws Http2Exception {
                clientHandler.encoder().writeHeaders(ctxClient(), 3, http2Headers, 0, false, newPromiseClient());
                clientHandler.encoder().writeData(ctxClient(), 3, content.retainedSlice(0, midPoint), 0, false, newPromiseClient());
                clientHandler.encoder().writeData(ctxClient(), 3, content.retainedSlice(midPoint, text.length() - midPoint), 0, true, newPromiseClient());
                clientChannel.flush();
            }
        });
        awaitRequests();
        ArgumentCaptor<FullHttpMessage> requestCaptor = ArgumentCaptor.forClass(FullHttpMessage.class);
        verify(serverListener).messageReceived(requestCaptor.capture());
        capturedRequests = requestCaptor.getAllValues();
        assertEquals(request, capturedRequests.get(0));
    } finally {
        request.release();
    }
}