@Override
public void send(final FileChannel channel) throws Exception {
long len = channel.size();
DefaultHttpResponse rsp = new DefaultHttpResponse(HttpVersion.HTTP_1_1, status);
if (!headers.contains(HttpHeaderNames.CONTENT_LENGTH)) {
headers.remove(HttpHeaderNames.TRANSFER_ENCODING);
headers.set(HttpHeaderNames.CONTENT_LENGTH, len);
}
if (keepAlive) {
headers.set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
}
// dump headers
rsp.headers().set(headers);
ChannelHandlerContext ctx = this.ctx;
ctx.attr(NettyRequest.NEED_FLUSH).set(false);
ctx.channel()
.eventLoop()
.execute(
() -> {
// send headers
ctx.write(rsp);
ctx.write(new DefaultFileRegion(channel, 0, len));
keepAlive(ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT));
});
committed = true;
}
private void send(final ByteBuf buffer) throws Exception {
DefaultFullHttpResponse rsp = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, status, buffer);
if (!headers.contains(HttpHeaderNames.CONTENT_LENGTH)) {
headers
.remove(HttpHeaderNames.TRANSFER_ENCODING)
.set(HttpHeaderNames.CONTENT_LENGTH, buffer.readableBytes());
}
if (keepAlive) {
headers.set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
}
// dump headers
rsp.headers().set(headers);
Attribute<Boolean> async = ctx.attr(NettyRequest.ASYNC);
boolean isAsync = async != null && async.get() == Boolean.TRUE;
if (isAsync) {
// we need flush, from async
keepAlive(ctx.writeAndFlush(rsp));
} else {
keepAlive(ctx.write(rsp));
}
committed = true;
}
/**
* Verifies User metadata headers from output, to that sent in during input
*
* @param expectedHeaders the expected headers in the response.
* @param response the {@link HttpResponse} which contains the headers of the response.
* @param usermetadata if non-null, this is expected to come as the body.
* @param content the content accompanying the response.
*/
private void verifyUserMetadata(
HttpHeaders expectedHeaders,
HttpResponse response,
byte[] usermetadata,
Queue<HttpObject> content) {
if (usermetadata == null) {
assertEquals("Content-Length is not 0", 0, HttpHeaders.getContentLength(response));
for (Map.Entry<String, String> header : expectedHeaders) {
String key = header.getKey();
if (key.startsWith(RestUtils.Headers.USER_META_DATA_HEADER_PREFIX)) {
assertEquals(
"Value for " + key + " does not match in user metadata",
header.getValue(),
HttpHeaders.getHeader(response, key));
}
}
for (Map.Entry<String, String> header : response.headers()) {
String key = header.getKey();
if (key.startsWith(RestUtils.Headers.USER_META_DATA_HEADER_PREFIX)) {
assertTrue(
"Key " + key + " does not exist in expected headers", expectedHeaders.contains(key));
}
}
discardContent(content, 1);
} else {
assertEquals(
"Content-Length is not as expected",
usermetadata.length,
HttpHeaders.getContentLength(response));
byte[] receivedMetadata = getContent(content, HttpHeaders.getContentLength(response)).array();
assertArrayEquals("User metadata does not match original", usermetadata, receivedMetadata);
}
}
/**
* Verifies blob properties from output, to that sent in during input
*
* @param expectedHeaders the expected headers in the response.
* @param response the {@link HttpResponse} that contains the headers.
*/
private void verifyBlobProperties(HttpHeaders expectedHeaders, HttpResponse response) {
assertEquals(
"Blob size does not match",
Long.parseLong(expectedHeaders.get(RestUtils.Headers.BLOB_SIZE)),
Long.parseLong(HttpHeaders.getHeader(response, RestUtils.Headers.BLOB_SIZE)));
assertEquals(
RestUtils.Headers.SERVICE_ID + " does not match",
expectedHeaders.get(RestUtils.Headers.SERVICE_ID),
HttpHeaders.getHeader(response, RestUtils.Headers.SERVICE_ID));
assertEquals(
RestUtils.Headers.PRIVATE + " does not match",
expectedHeaders.get(RestUtils.Headers.PRIVATE),
HttpHeaders.getHeader(response, RestUtils.Headers.PRIVATE));
assertEquals(
RestUtils.Headers.AMBRY_CONTENT_TYPE + " does not match",
expectedHeaders.get(RestUtils.Headers.AMBRY_CONTENT_TYPE),
HttpHeaders.getHeader(response, RestUtils.Headers.AMBRY_CONTENT_TYPE));
assertTrue(
"No " + RestUtils.Headers.CREATION_TIME,
HttpHeaders.getHeader(response, RestUtils.Headers.CREATION_TIME, null) != null);
if (Long.parseLong(expectedHeaders.get(RestUtils.Headers.TTL)) != Utils.Infinite_Time) {
assertEquals(
RestUtils.Headers.TTL + " does not match",
expectedHeaders.get(RestUtils.Headers.TTL),
HttpHeaders.getHeader(response, RestUtils.Headers.TTL));
}
if (expectedHeaders.contains(RestUtils.Headers.OWNER_ID)) {
assertEquals(
RestUtils.Headers.OWNER_ID + " does not match",
expectedHeaders.get(RestUtils.Headers.OWNER_ID),
HttpHeaders.getHeader(response, RestUtils.Headers.OWNER_ID));
}
}
private void keepAlive(final ChannelFuture future) {
if (headers.contains(HttpHeaderNames.CONTENT_LENGTH)) {
if (!keepAlive) {
future.addListener(CLOSE);
}
} else {
// content len is not set, just close the connection regardless keep alive or not.
future.addListener(CLOSE);
}
}
private FullHttpRequest convertToHttpRequest(Invocation invocation) {
requireNonNull(invocation, "invocation");
final ServiceInvocationContext ctx = invocation.invocationContext();
final FullHttpRequest request;
final Object content = invocation.content();
if (content instanceof FullHttpRequest) {
request = (FullHttpRequest) content;
} else if (content instanceof ByteBuf) {
request =
new DefaultFullHttpRequest(
HttpVersion.HTTP_1_1, HttpMethod.POST, ctx.path(), (ByteBuf) content);
} else {
throw new IllegalStateException(
"content is not a ByteBuf or FullHttpRequest: " + content.getClass().getName());
}
HttpHeaders headers = request.headers();
headers.set(HttpHeaderNames.HOST, ctx.host());
headers.set(ExtensionHeaderNames.SCHEME.text(), sessionProtocol.uriText());
headers.set(HttpHeaderNames.USER_AGENT, ARMERIA_USER_AGENT);
headers.set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
ByteBuf contentBuf = request.content();
if (contentBuf != null && contentBuf.isReadable()) {
headers.set(HttpHeaderNames.CONTENT_LENGTH, contentBuf.readableBytes());
}
invocation.options().get(ClientOption.HTTP_HEADERS).ifPresent(headers::add);
if (ctx.scheme().serializationFormat() != SerializationFormat.NONE) {
// we allow a user can set content type and accept headers
String mimeType = ctx.scheme().serializationFormat().mimeType();
if (!headers.contains(HttpHeaderNames.CONTENT_TYPE)) {
headers.set(HttpHeaderNames.CONTENT_TYPE, mimeType);
}
if (!headers.contains(HttpHeaderNames.ACCEPT)) {
headers.set(HttpHeaderNames.ACCEPT, mimeType);
}
}
return request;
}
/**
* Returns the content length of the specified web socket message. If the specified message is not
* a web socket message, {@code -1} is returned.
*/
private static int getWebSocketContentLength(HttpMessage message) {
// WebSockset messages have constant content-lengths.
HttpHeaders h = message.headers();
if (message instanceof HttpRequest) {
HttpRequest req = (HttpRequest) message;
if (HttpMethod.GET.equals(req.getMethod())
&& h.contains(Names.SEC_WEBSOCKET_KEY1)
&& h.contains(Names.SEC_WEBSOCKET_KEY2)) {
return 8;
}
} else if (message instanceof HttpResponse) {
HttpResponse res = (HttpResponse) message;
if (res.getStatus().code() == 101
&& h.contains(Names.SEC_WEBSOCKET_ORIGIN)
&& h.contains(Names.SEC_WEBSOCKET_LOCATION)) {
return 16;
}
}
// Not a web socket message
return -1;
}
@Override
public void send(final InputStream stream) throws Exception {
byte[] chunk = new byte[bufferSize];
int count = ByteStreams.read(stream, chunk, 0, bufferSize);
if (count <= 0) {
return;
}
ByteBuf buffer = Unpooled.wrappedBuffer(chunk, 0, count);
if (count < bufferSize) {
send(buffer);
} else {
DefaultHttpResponse rsp = new DefaultHttpResponse(HttpVersion.HTTP_1_1, status);
if (!headers.contains(HttpHeaderNames.CONTENT_LENGTH)) {
headers.set(HttpHeaderNames.TRANSFER_ENCODING, HttpHeaderValues.CHUNKED);
} else {
if (keepAlive) {
headers.set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
}
}
// dump headers
rsp.headers().set(headers);
ChannelHandlerContext ctx = this.ctx;
ctx.attr(NettyRequest.NEED_FLUSH).set(false);
// add chunker
ChannelPipeline pipeline = ctx.pipeline();
if (pipeline.get("chunker") == null) {
pipeline.addAfter("encoder", "chunker", new ChunkedWriteHandler());
}
// group all write
ctx.channel()
.eventLoop()
.execute(
() -> {
// send headers
ctx.write(rsp);
// send head chunk
ctx.write(buffer);
// send tail
ctx.write(new ChunkedStream(stream, bufferSize));
keepAlive(ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT));
});
}
committed = true;
}
private void processHead(ChannelHandlerContext context, FullHttpRequest request) {
HttpHeaders headers = request.headers();
FullHttpResponse response = null;
if (headers.contains(Names.CONTENT_LENGTH)) {
try {
File file = getRequestedFile(request.getUri());
response =
new DefaultFullHttpResponse(
HTTP_1_1, request.getDecoderResult().isSuccess() ? OK : BAD_REQUEST);
HttpHeaders.setContentLength(response, file.length());
} catch (FileNotFoundException | URISyntaxException e) {
response = getBadRequest(e.getMessage());
}
}
context.writeAndFlush(response);
}
private void prepareHeaders() {
HttpHeaders headers = request.headers();
headers.remove(TRANSFER_ENCODING);
if (!headers.contains(HOST)) {
request.headers().set(HOST, conn.hostHeader());
}
if (chunked) {
HttpHeaders.setTransferEncodingChunked(request);
}
if (client.getOptions().isTryUseCompression()
&& request.headers().get(ACCEPT_ENCODING) == null) {
// if compression should be used but nothing is specified by the user support deflate and
// gzip.
request.headers().set(ACCEPT_ENCODING, DEFLATE_GZIP);
}
if (!client.getOptions().isKeepAlive()
&& client.getOptions().getProtocolVersion() == io.vertx.core.http.HttpVersion.HTTP_1_1) {
request.headers().set(CONNECTION, CLOSE);
} else if (client.getOptions().isKeepAlive()
&& client.getOptions().getProtocolVersion() == io.vertx.core.http.HttpVersion.HTTP_1_0) {
request.headers().set(CONNECTION, KEEP_ALIVE);
}
}
@Override
protected Object encode(ChannelHandlerContext ctx, HttpObject msg) throws Exception {
if (msg instanceof HttpResponse && ((HttpResponse) msg).getStatus().code() == 100) {
// 100-continue response must be passed through.
return msg;
}
// handle the case of single complete message without content
if (msg instanceof FullHttpMessage && !((FullHttpMessage) msg).data().isReadable()) {
// Remove content encoding
String acceptEncoding = acceptEncodingQueue.poll();
if (acceptEncoding == null) {
throw new IllegalStateException("cannot send more responses than requests");
}
return msg;
}
if (msg instanceof HttpMessage) {
assert message == null;
// check if this message is also of type HttpContent is such case just make a safe copy of the
// headers
// as the content will get handled later and this simplify the handling
if (msg instanceof HttpContent) {
if (msg instanceof HttpRequest) {
HttpRequest req = (HttpRequest) msg;
message = new DefaultHttpRequest(req.getProtocolVersion(), req.getMethod(), req.getUri());
message.headers().set(req.headers());
} else if (msg instanceof HttpResponse) {
HttpResponse res = (HttpResponse) msg;
message = new DefaultHttpResponse(res.getProtocolVersion(), res.getStatus());
message.headers().set(res.headers());
} else {
return msg;
}
} else {
message = (HttpMessage) msg;
}
cleanup();
}
if (msg instanceof HttpContent) {
HttpContent c = (HttpContent) msg;
if (!encodeStarted) {
encodeStarted = true;
HttpMessage message = this.message;
HttpHeaders headers = message.headers();
this.message = null;
// Determine the content encoding.
String acceptEncoding = acceptEncodingQueue.poll();
if (acceptEncoding == null) {
throw new IllegalStateException("cannot send more responses than requests");
}
Result result = beginEncode(message, c, acceptEncoding);
if (result == null) {
if (c instanceof LastHttpContent) {
return new Object[] {message, new DefaultLastHttpContent(c.data().retain())};
} else {
return new Object[] {message, new DefaultHttpContent(c.data().retain())};
}
}
encoder = result.contentEncoder();
// Encode the content and remove or replace the existing headers
// so that the message looks like a decoded message.
headers.set(HttpHeaders.Names.CONTENT_ENCODING, result.targetContentEncoding());
Object[] encoded = encodeContent(message, c);
if (!HttpHeaders.isTransferEncodingChunked(message) && encoded.length == 3) {
if (headers.contains(HttpHeaders.Names.CONTENT_LENGTH)) {
long length =
((ByteBufHolder) encoded[1]).data().readableBytes()
+ ((ByteBufHolder) encoded[2]).data().readableBytes();
headers.set(HttpHeaders.Names.CONTENT_LENGTH, Long.toString(length));
}
}
return encoded;
}
if (encoder != null) {
return encodeContent(null, c);
}
c.retain();
return c;
}
return null;
}
