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

Example 61 with Http2Exception

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

the class AbstractNettyHandler method sendInitialConnectionWindow.

/**
 * Sends initial connection window to the remote endpoint if necessary.
 */
private void sendInitialConnectionWindow() throws Http2Exception {
    if (!initialWindowSent && ctx.channel().isActive()) {
        Http2Stream connectionStream = connection().connectionStream();
        int currentSize = connection().local().flowController().windowSize(connectionStream);
        int delta = initialConnectionWindow - currentSize;
        decoder().flowController().incrementWindowSize(connectionStream, delta);
        initialWindowSent = true;
        ctx.flush();
    }
}

Example 62 with Http2Exception

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

the class Http2ControlFrameLimitEncoder method handleOutstandingControlFrames.

private ChannelPromise handleOutstandingControlFrames(ChannelHandlerContext ctx, ChannelPromise promise) {
    if (!limitReached) {
        if (outstandingControlFrames == maxOutstandingControlFrames) {
            // Let's try to flush once as we may be able to flush some of the control frames.
            ctx.flush();
        }
        if (outstandingControlFrames == maxOutstandingControlFrames) {
            limitReached = true;
            Http2Exception exception = Http2Exception.connectionError(Http2Error.ENHANCE_YOUR_CALM, "Maximum number %d of outstanding control frames reached", maxOutstandingControlFrames);
            logger.info("Maximum number {} of outstanding control frames reached. Closing channel {}", maxOutstandingControlFrames, ctx.channel(), exception);
            // First notify the Http2LifecycleManager and then close the connection.
            lifecycleManager.onError(ctx, true, exception);
            ctx.close();
        }
        outstandingControlFrames++;
        // once the promise was completed
        return promise.unvoid().addListener(outstandingControlFramesListener);
    }
    return promise;
}

Example 63 with Http2Exception

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

the class UtilsTest method testStatusFromThrowable.

@Test
public void testStatusFromThrowable() {
    Status s = Status.CANCELLED.withDescription("msg");
    assertSame(s, Utils.statusFromThrowable(new Exception(s.asException())));
    Throwable t;
    t = new ConnectTimeoutException("msg");
    assertStatusEquals(Status.UNAVAILABLE.withCause(t), Utils.statusFromThrowable(t));
    t = new UnresolvedAddressException();
    assertStatusEquals(Status.UNAVAILABLE.withCause(t), Utils.statusFromThrowable(t));
    t = new Http2Exception(Http2Error.INTERNAL_ERROR, "msg");
    assertStatusEquals(Status.INTERNAL.withCause(t), Utils.statusFromThrowable(t));
    t = new Exception("msg");
    assertStatusEquals(Status.UNKNOWN.withCause(t), Utils.statusFromThrowable(t));
}

Example 64 with Http2Exception

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

the class GrpcHttp2HeadersUtilsTest method decode_requestHeaders.

@Test
public void decode_requestHeaders() throws Http2Exception {
    Http2HeadersDecoder decoder = new GrpcHttp2ServerHeadersDecoder(DEFAULT_MAX_HEADER_LIST_SIZE);
    Http2HeadersEncoder encoder = new DefaultHttp2HeadersEncoder(NEVER_SENSITIVE);
    Http2Headers headers = new DefaultHttp2Headers(false);
    headers.add(of(":scheme"), of("https")).add(of(":method"), of("GET")).add(of(":path"), of("index.html")).add(of(":authority"), of("foo.grpc.io")).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(":scheme")), decodedHeaders.scheme());
    assertEquals(headers.get(of(":method")), decodedHeaders.method());
    assertEquals(headers.get(of(":path")), decodedHeaders.path());
    assertEquals(headers.get(of(":authority")), decodedHeaders.authority());
    assertEquals(headers.get(of("custom")), decodedHeaders.get(of("custom")));
    assertEquals(headers.size(), decodedHeaders.size());
    String toString = decodedHeaders.toString();
    assertContainsKeyAndValue(toString, ":scheme", decodedHeaders.scheme());
    assertContainsKeyAndValue(toString, ":method", decodedHeaders.method());
    assertContainsKeyAndValue(toString, ":path", decodedHeaders.path());
    assertContainsKeyAndValue(toString, ":authority", decodedHeaders.authority());
    assertContainsKeyAndValue(toString, "custom", decodedHeaders.get(of("custom")));
}

Example 65 with Http2Exception

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

the class GrpcHttp2HeadersUtilsTest method decode_emptyHeaders.

@Test
public void decode_emptyHeaders() throws Http2Exception {
    Http2HeadersDecoder decoder = new GrpcHttp2ClientHeadersDecoder(8192);
    Http2HeadersEncoder encoder = new DefaultHttp2HeadersEncoder(NEVER_SENSITIVE);
    ByteBuf encodedHeaders = Unpooled.buffer();
    encoder.encodeHeaders(1, /* randomly chosen */
    new DefaultHttp2Headers(false), encodedHeaders);
    Http2Headers decodedHeaders = decoder.decodeHeaders(3, /* randomly chosen */
    encodedHeaders);
    assertEquals(0, decodedHeaders.size());
    assertThat(decodedHeaders.toString()).contains("[]");
}