Java Code Examples for org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandlerContext#writeAndFlush()

The following examples show how to use org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandlerContext#writeAndFlush() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: RouterHandler.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Override
protected void channelRead0(ChannelHandlerContext channelHandlerContext, HttpRequest httpRequest) {
	if (HttpHeaders.is100ContinueExpected(httpRequest)) {
		channelHandlerContext.writeAndFlush(new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.CONTINUE));
		return;
	}

	// Route
	HttpMethod method = httpRequest.getMethod();
	QueryStringDecoder qsd = new QueryStringDecoder(httpRequest.uri());
	RouteResult<?> routeResult = router.route(method, qsd.path(), qsd.parameters());

	if (routeResult == null) {
		respondNotFound(channelHandlerContext, httpRequest);
		return;
	}

	routed(channelHandlerContext, routeResult, httpRequest);
}
Example 2
Source File: RouterHandler.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
@Override
protected void channelRead0(ChannelHandlerContext channelHandlerContext, HttpRequest httpRequest) {
	if (HttpHeaders.is100ContinueExpected(httpRequest)) {
		channelHandlerContext.writeAndFlush(new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.CONTINUE));
		return;
	}

	// Route
	HttpMethod method = httpRequest.getMethod();
	QueryStringDecoder qsd = new QueryStringDecoder(httpRequest.uri());
	RouteResult<?> routeResult = router.route(method, qsd.path(), qsd.parameters());

	if (routeResult == null) {
		respondNotFound(channelHandlerContext, httpRequest);
		return;
	}

	routed(channelHandlerContext, routeResult, httpRequest);
}
Example 3
Source File: RouterHandler.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Override
protected void channelRead0(ChannelHandlerContext channelHandlerContext, HttpRequest httpRequest) {
	if (HttpHeaders.is100ContinueExpected(httpRequest)) {
		channelHandlerContext.writeAndFlush(new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.CONTINUE));
		return;
	}

	// Route
	HttpMethod method = httpRequest.getMethod();
	QueryStringDecoder qsd = new QueryStringDecoder(httpRequest.uri());
	RouteResult<?> routeResult = router.route(method, qsd.path(), qsd.parameters());

	if (routeResult == null) {
		respondNotFound(channelHandlerContext, httpRequest);
		return;
	}

	routed(channelHandlerContext, routeResult, httpRequest);
}
Example 4
Source File: KeepAliveWrite.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
public static ChannelFuture flush(ChannelHandlerContext ctx, HttpRequest request, HttpResponse response) {
	if (!HttpHeaders.isKeepAlive(request)) {
		return ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
	} else {
		response.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
		return ctx.writeAndFlush(response);
	}
}
Example 5
Source File: HandlerUtils.java    From flink with Apache License 2.0 5 votes vote down vote up 
/**
 * Sends the given response and status code to the given channel.
 *
 * @param channelHandlerContext identifying the open channel
 * @param keepAlive If the connection should be kept alive.
 * @param message which should be sent
 * @param statusCode of the message to send
 * @param headers additional header values
 */
public static CompletableFuture<Void> sendResponse(
		@Nonnull ChannelHandlerContext channelHandlerContext,
		boolean keepAlive,
		@Nonnull String message,
		@Nonnull HttpResponseStatus statusCode,
		@Nonnull Map<String, String> headers) {
	HttpResponse response = new DefaultHttpResponse(HTTP_1_1, statusCode);

	response.headers().set(CONTENT_TYPE, RestConstants.REST_CONTENT_TYPE);

	for (Map.Entry<String, String> headerEntry : headers.entrySet()) {
		response.headers().set(headerEntry.getKey(), headerEntry.getValue());
	}

	if (keepAlive) {
		response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
	}

	byte[] buf = message.getBytes(ConfigConstants.DEFAULT_CHARSET);
	ByteBuf b = Unpooled.copiedBuffer(buf);
	HttpHeaders.setContentLength(response, buf.length);

	// write the initial line and the header.
	channelHandlerContext.write(response);

	channelHandlerContext.write(b);

	ChannelFuture lastContentFuture = channelHandlerContext.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);

	// close the connection, if no keep-alive is needed
	if (!keepAlive) {
		lastContentFuture.addListener(ChannelFutureListener.CLOSE);
	}

	return toCompletableFuture(lastContentFuture);
}
Example 6
Source File: KeepAliveWrite.java    From flink with Apache License 2.0 5 votes vote down vote up 
public static ChannelFuture flush(ChannelHandlerContext ctx, HttpRequest request, HttpResponse response) {
	if (!HttpHeaders.isKeepAlive(request)) {
		return ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
	} else {
		response.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
		return ctx.writeAndFlush(response);
	}
}
Example 7
Source File: PipelineErrorHandler.java    From flink with Apache License 2.0 5 votes vote down vote up 
private void sendError(ChannelHandlerContext ctx, String error) {
	if (ctx.channel().isActive()) {
		DefaultFullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
			HttpResponseStatus.INTERNAL_SERVER_ERROR,
			Unpooled.wrappedBuffer(error.getBytes(ConfigConstants.DEFAULT_CHARSET)));

		response.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/plain");
		response.headers().set(HttpHeaders.Names.CONTENT_LENGTH, response.content().readableBytes());

		ctx.writeAndFlush(response);
	}
}
Example 8
Source File: HandlerUtils.java    From flink with Apache License 2.0 5 votes vote down vote up 
/**
 * Sends the given response and status code to the given channel.
 *
 * @param channelHandlerContext identifying the open channel
 * @param keepAlive If the connection should be kept alive.
 * @param message which should be sent
 * @param statusCode of the message to send
 * @param headers additional header values
 */
public static CompletableFuture<Void> sendResponse(
		@Nonnull ChannelHandlerContext channelHandlerContext,
		boolean keepAlive,
		@Nonnull String message,
		@Nonnull HttpResponseStatus statusCode,
		@Nonnull Map<String, String> headers) {
	HttpResponse response = new DefaultHttpResponse(HTTP_1_1, statusCode);

	response.headers().set(CONTENT_TYPE, RestConstants.REST_CONTENT_TYPE);

	for (Map.Entry<String, String> headerEntry : headers.entrySet()) {
		response.headers().set(headerEntry.getKey(), headerEntry.getValue());
	}

	if (keepAlive) {
		response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
	}

	byte[] buf = message.getBytes(ConfigConstants.DEFAULT_CHARSET);
	ByteBuf b = Unpooled.copiedBuffer(buf);
	HttpHeaders.setContentLength(response, buf.length);

	// write the initial line and the header.
	channelHandlerContext.write(response);

	channelHandlerContext.write(b);

	ChannelFuture lastContentFuture = channelHandlerContext.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);

	// close the connection, if no keep-alive is needed
	if (!keepAlive) {
		lastContentFuture.addListener(ChannelFutureListener.CLOSE);
	}

	return toCompletableFuture(lastContentFuture);
}
Example 9
Source File: KeepAliveWrite.java    From flink with Apache License 2.0 5 votes vote down vote up 
public static ChannelFuture flush(ChannelHandlerContext ctx, HttpRequest request, HttpResponse response) {
	if (!HttpHeaders.isKeepAlive(request)) {
		return ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
	} else {
		response.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
		return ctx.writeAndFlush(response);
	}
}
Example 10
Source File: PipelineErrorHandler.java    From flink with Apache License 2.0 5 votes vote down vote up 
private void sendError(ChannelHandlerContext ctx, String error) {
	if (ctx.channel().isActive()) {
		DefaultFullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
			HttpResponseStatus.INTERNAL_SERVER_ERROR,
			Unpooled.wrappedBuffer(error.getBytes(ConfigConstants.DEFAULT_CHARSET)));

		response.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/plain");
		response.headers().set(HttpHeaders.Names.CONTENT_LENGTH, response.content().readableBytes());

		ctx.writeAndFlush(response);
	}
}
Example 11
Source File: HandlerUtils.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
/**
 * Sends the given response and status code to the given channel.
 *
 * @param channelHandlerContext identifying the open channel
 * @param keepAlive If the connection should be kept alive.
 * @param message which should be sent
 * @param statusCode of the message to send
 * @param headers additional header values
 */
public static CompletableFuture<Void> sendResponse(
		@Nonnull ChannelHandlerContext channelHandlerContext,
		boolean keepAlive,
		@Nonnull String message,
		@Nonnull HttpResponseStatus statusCode,
		@Nonnull Map<String, String> headers) {
	HttpResponse response = new DefaultHttpResponse(HTTP_1_1, statusCode);

	response.headers().set(CONTENT_TYPE, RestConstants.REST_CONTENT_TYPE);

	for (Map.Entry<String, String> headerEntry : headers.entrySet()) {
		response.headers().set(headerEntry.getKey(), headerEntry.getValue());
	}

	if (keepAlive) {
		response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
	}

	byte[] buf = message.getBytes(ConfigConstants.DEFAULT_CHARSET);
	ByteBuf b = Unpooled.copiedBuffer(buf);
	HttpHeaders.setContentLength(response, buf.length);

	// write the initial line and the header.
	channelHandlerContext.write(response);

	channelHandlerContext.write(b);

	ChannelFuture lastContentFuture = channelHandlerContext.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);

	// close the connection, if no keep-alive is needed
	if (!keepAlive) {
		lastContentFuture.addListener(ChannelFutureListener.CLOSE);
	}

	return toCompletableFuture(lastContentFuture);
}
Example 12
Source File: PipelineErrorHandler.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
private void sendError(ChannelHandlerContext ctx, String error) {
	if (ctx.channel().isActive()) {
		DefaultFullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
			HttpResponseStatus.INTERNAL_SERVER_ERROR,
			Unpooled.wrappedBuffer(error.getBytes(ConfigConstants.DEFAULT_CHARSET)));

		response.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/plain");
		response.headers().set(HttpHeaders.Names.CONTENT_LENGTH, response.content().readableBytes());

		ctx.writeAndFlush(response);
	}
}
Example 13
Source File: PartitionRequestServerHandler.java    From flink with Apache License 2.0 4 votes vote down vote up 
private void respondWithError(ChannelHandlerContext ctx, Throwable error) {
	ctx.writeAndFlush(new NettyMessage.ErrorResponse(error));
}
Example 14
Source File: PartitionRequestServerHandler.java    From flink with Apache License 2.0 4 votes vote down vote up 
private void respondWithError(ChannelHandlerContext ctx, Throwable error, InputChannelID sourceId) {
	LOG.debug("Responding with error: {}.", error.getClass());

	ctx.writeAndFlush(new NettyMessage.ErrorResponse(error, sourceId));
}
Example 15
Source File: PartitionRequestServerHandler.java    From Flink-CEPplus with Apache License 2.0 4 votes vote down vote up 
private void respondWithError(ChannelHandlerContext ctx, Throwable error, InputChannelID sourceId) {
	LOG.debug("Responding with error: {}.", error.getClass());

	ctx.writeAndFlush(new NettyMessage.ErrorResponse(error, sourceId));
}
Example 16
Source File: PartitionRequestServerHandler.java    From Flink-CEPplus with Apache License 2.0 4 votes vote down vote up 
private void respondWithError(ChannelHandlerContext ctx, Throwable error) {
	ctx.writeAndFlush(new NettyMessage.ErrorResponse(error));
}
Example 17
Source File: PartitionRequestServerHandler.java    From flink with Apache License 2.0 4 votes vote down vote up 
private void respondWithError(ChannelHandlerContext ctx, Throwable error) {
	ctx.writeAndFlush(new NettyMessage.ErrorResponse(error));
}
Example 18
Source File: PartitionRequestServerHandler.java    From flink with Apache License 2.0 4 votes vote down vote up 
private void respondWithError(ChannelHandlerContext ctx, Throwable error, InputChannelID sourceId) {
	LOG.debug("Responding with error: {}.", error.getClass());

	ctx.writeAndFlush(new NettyMessage.ErrorResponse(error, sourceId));
}