Java DefaultHttp2Headers类代码示例

import io.netty.handler.codec.http2.DefaultHttp2Headers; //导入依赖的package包/类
/**
 * Converts the specified Armeria HTTP/2 headers into Netty HTTP/2 headers.
 */
public static Http2Headers toNettyHttp2(HttpHeaders in) {
    final Http2Headers out = new DefaultHttp2Headers(false, in.size());
    out.set(in);
    out.remove(HttpHeaderNames.CONNECTION);
    out.remove(HttpHeaderNames.TRANSFER_ENCODING);
    out.remove(HttpHeaderNames.TRAILER);

    if (!out.contains(HttpHeaderNames.COOKIE)) {
        return out;
    }

    // Split up cookies to allow for better compression.
    // https://tools.ietf.org/html/rfc7540#section-8.1.2.5
    final List<CharSequence> cookies = out.getAllAndRemove(HttpHeaderNames.COOKIE);
    for (CharSequence c : cookies) {
        out.add(HttpHeaderNames.COOKIE, COOKIE_SPLITTER.split(c));
    }

    return out;
}
 

import io.netty.handler.codec.http2.DefaultHttp2Headers; //导入依赖的package包/类
@Test
public void testFullRequest() throws Exception {
  outputReceived = new CountDownLatch(1);

  Http2Headers headers = new DefaultHttp2Headers().method("GET").path("/");
  Http2Request requestIn = Http2Request.build(1, headers, true);

  channel.writeInbound(requestIn);

  channel.runPendingTasks(); // blocks

  Uninterruptibles.awaitUninterruptibly(outputReceived);

  Request requestOut = requests.remove(0);

  assertTrue(requestOut != null);
  assertTrue(requestOut instanceof FullRequest);
  assertEquals("h2", requestOut.version());
  assertEquals(HttpMethod.GET, requestOut.method());
  assertEquals("/", requestOut.path());
  assertFalse(requestOut.hasBody());
  assertFalse(requestOut.body() == null);
  assertEquals(0, requestOut.body().readableBytes());
  assertEquals(1, requestOut.streamId());
}
 

import io.netty.handler.codec.http2.DefaultHttp2Headers; //导入依赖的package包/类
@Test
public void testFullResponse() throws Exception {
  outputReceived = new CountDownLatch(2);
  Http2Headers headersIn = new DefaultHttp2Headers().method("GET").path("/");
  Http2Request requestIn = Http2Request.build(1, headersIn, true);
  FullResponse responseIn = ResponseBuilders.newOk().body(Unpooled.EMPTY_BUFFER).build();

  channel.writeInbound(requestIn);
  channel.runPendingTasks(); // blocks
  channel.writeOutbound(responseIn);

  channel.runPendingTasks(); // blocks

  Uninterruptibles.awaitUninterruptibly(outputReceived);

  Http2Response responseOut = (Http2Response) responses.remove(0);

  assertTrue(responseOut != null);
  assertTrue(responseOut.payload instanceof Http2Headers);
  assertEquals("200", ((Http2Headers) responseOut.payload).status().toString());
  assertTrue(responseOut.eos);
  assertEquals(1, responseOut.streamId);
}
 

import io.netty.handler.codec.http2.DefaultHttp2Headers; //导入依赖的package包/类
@Test
public void testFullResponse() throws Exception {
  outputReceived = new CountDownLatch(1);
  Http2Headers headers = new DefaultHttp2Headers().status("200");
  Http2Response responseIn = Http2Response.build(1, headers, true);

  channel.writeInbound(responseIn);

  channel.runPendingTasks(); // blocks

  Uninterruptibles.awaitUninterruptibly(outputReceived);

  Response responseOut = responses.remove(0);

  assertTrue(responseOut != null);
  assertTrue(responseOut instanceof FullResponse);
  assertEquals("h2", responseOut.version());
  assertEquals(OK, responseOut.status());
  assertFalse(responseOut.hasBody());
  assertEquals(1, responseOut.streamId());
}
 

import io.netty.handler.codec.http2.DefaultHttp2Headers; //导入依赖的package包/类
@Override
public void push(final String method, final String path, final Map<String, Object> headers) {
  ctx.channel().eventLoop().execute(() -> {
    AsciiString streamIdHeader = HttpConversionUtil.ExtensionHeaderNames.STREAM_ID.text();
    Http2Connection connection = encoder.connection();
    int nextStreamId = connection.local().incrementAndGetNextStreamId();
    Http2Headers h2headers = new DefaultHttp2Headers()
        .path(path)
        .method(method)
        .authority(authority)
        .scheme(scheme);
    headers.forEach((n, v) -> h2headers.add(n, v.toString()));
    encoder.writePushPromise(ctx, streamId, nextStreamId, h2headers, 0, ctx.newPromise());

    // TODO: Is there another way of handling a push promise?
    DefaultFullHttpRequest pushRequest = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1,
        HttpMethod.valueOf(method.toUpperCase()), path, Unpooled.EMPTY_BUFFER,
        new DefaultHttpHeaders(false).set(streamIdHeader, nextStreamId),
        EmptyHttpHeaders.INSTANCE);
    ctx.pipeline().fireChannelRead(pushRequest);
    ctx.pipeline().fireChannelReadComplete();
  });
}
 

import io.netty.handler.codec.http2.DefaultHttp2Headers; //导入依赖的package包/类
private void respondWithHttpError(
    ChannelHandlerContext ctx, int streamId, int code, Status.Code statusCode, String msg) {
  Metadata metadata = new Metadata();
  metadata.put(InternalStatus.CODE_KEY, statusCode.toStatus());
  metadata.put(InternalStatus.MESSAGE_KEY, msg);
  byte[][] serialized = InternalMetadata.serialize(metadata);

  Http2Headers headers = new DefaultHttp2Headers(true, serialized.length / 2)
      .status("" + code)
      .set(CONTENT_TYPE_HEADER, "text/plain; encoding=utf-8");
  for (int i = 0; i < serialized.length; i += 2) {
    headers.add(new AsciiString(serialized[i], false), new AsciiString(serialized[i + 1], false));
  }
  encoder().writeHeaders(ctx, streamId, headers, 0, false, ctx.newPromise());
  ByteBuf msgBuf = ByteBufUtil.writeUtf8(ctx.alloc(), msg);
  encoder().writeData(ctx, streamId, msgBuf, 0, true, ctx.newPromise());
}
 

import io.netty.handler.codec.http2.DefaultHttp2Headers; //导入依赖的package包/类
@Test
public void closeBeforeClientHalfCloseShouldSucceed() throws Exception {
  ListMultimap<CharSequence, CharSequence> expectedHeaders =
      ImmutableListMultimap.copyOf(new DefaultHttp2Headers()
          .status(new AsciiString("200"))
          .set(new AsciiString("content-type"), new AsciiString("application/grpc"))
          .set(new AsciiString("grpc-status"), new AsciiString("0")));

  stream().close(Status.OK, new Metadata());

  ArgumentCaptor<SendResponseHeadersCommand> sendHeadersCap =
      ArgumentCaptor.forClass(SendResponseHeadersCommand.class);
  verify(writeQueue).enqueue(sendHeadersCap.capture(), eq(true));
  SendResponseHeadersCommand sendHeaders = sendHeadersCap.getValue();
  assertThat(sendHeaders.stream()).isSameAs(stream.transportState());
  assertThat(ImmutableListMultimap.copyOf(sendHeaders.headers()))
      .containsExactlyEntriesIn(expectedHeaders);
  assertThat(sendHeaders.endOfStream()).isTrue();
  verifyZeroInteractions(serverListener);

  // Sending complete. Listener gets closed()
  stream().transportState().complete();

  verify(serverListener).closed(Status.OK);
  assertNull("no message expected", listenerMessageQueue.poll());
}
 

import io.netty.handler.codec.http2.DefaultHttp2Headers; //导入依赖的package包/类
@Test
public void closeWithErrorBeforeClientHalfCloseShouldSucceed() throws Exception {
  ListMultimap<CharSequence, CharSequence> expectedHeaders =
      ImmutableListMultimap.copyOf(new DefaultHttp2Headers()
          .status(new AsciiString("200"))
          .set(new AsciiString("content-type"), new AsciiString("application/grpc"))
          .set(new AsciiString("grpc-status"), new AsciiString("1")));

  // Error is sent on wire and ends the stream
  stream().close(Status.CANCELLED, trailers);

  ArgumentCaptor<SendResponseHeadersCommand> sendHeadersCap =
      ArgumentCaptor.forClass(SendResponseHeadersCommand.class);
  verify(writeQueue).enqueue(sendHeadersCap.capture(), eq(true));
  SendResponseHeadersCommand sendHeaders = sendHeadersCap.getValue();
  assertThat(sendHeaders.stream()).isSameAs(stream.transportState());
  assertThat(ImmutableListMultimap.copyOf(sendHeaders.headers()))
      .containsExactlyEntriesIn(expectedHeaders);
  assertThat(sendHeaders.endOfStream()).isTrue();
  verifyZeroInteractions(serverListener);

  // Sending complete. Listener gets closed()
  stream().transportState().complete();
  verify(serverListener).closed(Status.OK);
  assertNull("no message expected", listenerMessageQueue.poll());
}
 

import io.netty.handler.codec.http2.DefaultHttp2Headers; //导入依赖的package包/类
@Test
public void emptyFramerShouldSendNoPayload() {
  ListMultimap<CharSequence, CharSequence> expectedHeaders =
      ImmutableListMultimap.copyOf(new DefaultHttp2Headers()
          .status(new AsciiString("200"))
          .set(new AsciiString("content-type"), new AsciiString("application/grpc"))
          .set(new AsciiString("grpc-status"), new AsciiString("0")));
  ArgumentCaptor<SendResponseHeadersCommand> cmdCap =
      ArgumentCaptor.forClass(SendResponseHeadersCommand.class);

  stream().close(Status.OK, new Metadata());

  verify(writeQueue).enqueue(cmdCap.capture(), eq(true));
  SendResponseHeadersCommand cmd = cmdCap.getValue();
  assertThat(cmd.stream()).isSameAs(stream.transportState());
  assertThat(ImmutableListMultimap.copyOf(cmd.headers()))
      .containsExactlyEntriesIn(expectedHeaders);
  assertThat(cmd.endOfStream()).isTrue();
}
 

import io.netty.handler.codec.http2.DefaultHttp2Headers; //导入依赖的package包/类
@Test
public void decode_responseHeaders() throws Http2Exception {
  Http2HeadersDecoder decoder = new GrpcHttp2ClientHeadersDecoder(DEFAULT_MAX_HEADER_LIST_SIZE);
  Http2HeadersEncoder encoder =
      new DefaultHttp2HeadersEncoder(NEVER_SENSITIVE);

  Http2Headers headers = new DefaultHttp2Headers(false);
  headers.add(of(":status"), of("200")).add(of("custom"), of("header"));
  encodedHeaders = Unpooled.buffer();
  encoder.encodeHeaders(1 /* randomly chosen */, headers, encodedHeaders);

  Http2Headers decodedHeaders = decoder.decodeHeaders(3 /* randomly chosen */, encodedHeaders);
  assertEquals(headers.get(of(":status")), decodedHeaders.get(of(":status")));
  assertEquals(headers.get(of("custom")), decodedHeaders.get(of("custom")));
  assertEquals(headers.size(), decodedHeaders.size());

  String toString = decodedHeaders.toString();
  assertContainsKeyAndValue(toString, ":status", decodedHeaders.get(of(":status")));
  assertContainsKeyAndValue(toString, "custom", decodedHeaders.get(of("custom")));
}
 

import io.netty.handler.codec.http2.DefaultHttp2Headers; //导入依赖的package包/类
@Test
public void headersWithInvalidContentTypeShouldFail() throws Exception {
  manualSetUp();
  Http2Headers headers = new DefaultHttp2Headers()
      .method(HTTP_METHOD)
      .set(CONTENT_TYPE_HEADER, new AsciiString("application/bad", UTF_8))
      .set(TE_HEADER, TE_TRAILERS)
      .path(new AsciiString("/foo/bar"));
  ByteBuf headersFrame = headersFrame(STREAM_ID, headers);
  channelRead(headersFrame);
  Http2Headers responseHeaders = new DefaultHttp2Headers()
      .set(InternalStatus.CODE_KEY.name(), String.valueOf(Code.INTERNAL.value()))
      .set(InternalStatus.MESSAGE_KEY.name(), "Content-Type 'application/bad' is not supported")
      .status("" + 415)
      .set(CONTENT_TYPE_HEADER, "text/plain; encoding=utf-8");

  verifyWrite().writeHeaders(eq(ctx()), eq(STREAM_ID), eq(responseHeaders), eq(0),
      eq(DEFAULT_PRIORITY_WEIGHT), eq(false), eq(0), eq(false), any(ChannelPromise.class));
}
 

import io.netty.handler.codec.http2.DefaultHttp2Headers; //导入依赖的package包/类
@Test
public void headersWithInvalidMethodShouldFail() throws Exception {
  manualSetUp();
  Http2Headers headers = new DefaultHttp2Headers()
      .method(HTTP_FAKE_METHOD)
      .set(CONTENT_TYPE_HEADER, CONTENT_TYPE_GRPC)
      .path(new AsciiString("/foo/bar"));
  ByteBuf headersFrame = headersFrame(STREAM_ID, headers);
  channelRead(headersFrame);
  Http2Headers responseHeaders = new DefaultHttp2Headers()
      .set(InternalStatus.CODE_KEY.name(), String.valueOf(Code.INTERNAL.value()))
      .set(InternalStatus.MESSAGE_KEY.name(), "Method 'FAKE' is not supported")
      .status("" + 405)
      .set(CONTENT_TYPE_HEADER, "text/plain; encoding=utf-8");

  verifyWrite().writeHeaders(eq(ctx()), eq(STREAM_ID), eq(responseHeaders), eq(0),
      eq(DEFAULT_PRIORITY_WEIGHT), eq(false), eq(0), eq(false), any(ChannelPromise.class));
}
 

import io.netty.handler.codec.http2.DefaultHttp2Headers; //导入依赖的package包/类
@Test
public void headersWithMissingPathShouldFail() throws Exception {
  manualSetUp();
  Http2Headers headers = new DefaultHttp2Headers()
      .method(HTTP_METHOD)
      .set(CONTENT_TYPE_HEADER, CONTENT_TYPE_GRPC);
  ByteBuf headersFrame = headersFrame(STREAM_ID, headers);
  channelRead(headersFrame);
  Http2Headers responseHeaders = new DefaultHttp2Headers()
      .set(InternalStatus.CODE_KEY.name(), String.valueOf(Code.UNIMPLEMENTED.value()))
      .set(InternalStatus.MESSAGE_KEY.name(), "Expected path but is missing")
      .status("" + 404)
      .set(CONTENT_TYPE_HEADER, "text/plain; encoding=utf-8");

  verifyWrite().writeHeaders(eq(ctx()), eq(STREAM_ID), eq(responseHeaders), eq(0),
      eq(DEFAULT_PRIORITY_WEIGHT), eq(false), eq(0), eq(false), any(ChannelPromise.class));
}
 

import io.netty.handler.codec.http2.DefaultHttp2Headers; //导入依赖的package包/类
@Test
public void headersWithInvalidPathShouldFail() throws Exception {
  manualSetUp();
  Http2Headers headers = new DefaultHttp2Headers()
      .method(HTTP_METHOD)
      .set(CONTENT_TYPE_HEADER, CONTENT_TYPE_GRPC)
      .path(new AsciiString("foo/bar"));
  ByteBuf headersFrame = headersFrame(STREAM_ID, headers);
  channelRead(headersFrame);
  Http2Headers responseHeaders = new DefaultHttp2Headers()
      .set(InternalStatus.CODE_KEY.name(), String.valueOf(Code.UNIMPLEMENTED.value()))
      .set(InternalStatus.MESSAGE_KEY.name(), "Expected path to start with /: foo/bar")
      .status("" + 404)
      .set(CONTENT_TYPE_HEADER, "text/plain; encoding=utf-8");

  verifyWrite().writeHeaders(eq(ctx()), eq(STREAM_ID), eq(responseHeaders), eq(0),
      eq(DEFAULT_PRIORITY_WEIGHT), eq(false), eq(0), eq(false), any(ChannelPromise.class));
}
 

import io.netty.handler.codec.http2.DefaultHttp2Headers; //导入依赖的package包/类
@Test
public void headersSupportExtensionContentType() throws Exception {
  manualSetUp();
  Http2Headers headers = new DefaultHttp2Headers()
      .method(HTTP_METHOD)
      .set(CONTENT_TYPE_HEADER, new AsciiString("application/grpc+json", UTF_8))
      .set(TE_HEADER, TE_TRAILERS)
      .path(new AsciiString("/foo/bar"));
  ByteBuf headersFrame = headersFrame(STREAM_ID, headers);
  channelRead(headersFrame);

  ArgumentCaptor<NettyServerStream> streamCaptor =
      ArgumentCaptor.forClass(NettyServerStream.class);
  ArgumentCaptor<String> methodCaptor = ArgumentCaptor.forClass(String.class);
  verify(transportListener).streamCreated(streamCaptor.capture(), methodCaptor.capture(),
      any(Metadata.class));
  stream = streamCaptor.getValue();
}