public DefaultHttpResponse getEmptyHttpResponse() {
DefaultFullHttpResponse res =
new DefaultFullHttpResponse(HTTP_1_1, HttpResponseStatus.valueOf(getStatus()));
res.headers().add(Names.CONTENT_LENGTH, EMPTY_CONTENT_LENGTH);
transformResponseHeaders(res);
return res;
}
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;
}
/*
* Create an HTTP 400 bad request response.
*/
public static FullHttpResponse badRequest(String msg) {
DefaultFullHttpResponse resp = new DefaultFullHttpResponse(HTTP_1_1, BAD_REQUEST);
resp.content().writeBytes(msg.getBytes());
resp.headers().set(CONTENT_TYPE, "text/plain");
resp.headers().set(CONTENT_LENGTH, resp.content().readableBytes());
return resp;
}
private void respondAsLeader(ChannelHandlerContext ctx, Routed routed, ActorGateway jobManager) {
DefaultFullHttpResponse response;
try {
// we only pass the first element in the list to the handlers.
Map<String, String> queryParams = new HashMap<>();
for (String key : routed.queryParams().keySet()) {
queryParams.put(key, routed.queryParam(key));
}
InetSocketAddress address = (InetSocketAddress) ctx.channel().localAddress();
queryParams.put(WEB_MONITOR_ADDRESS_KEY, address.getHostName() + ":" + address.getPort());
String result = handler.handleRequest(routed.pathParams(), queryParams, jobManager);
byte[] bytes = result.getBytes(ENCODING);
response =
new DefaultFullHttpResponse(
HttpVersion.HTTP_1_1, HttpResponseStatus.OK, Unpooled.wrappedBuffer(bytes));
response.headers().set(HttpHeaders.Names.ACCESS_CONTROL_ALLOW_ORIGIN, "*");
response.headers().set(HttpHeaders.Names.CONTENT_TYPE, "application/json");
} catch (NotFoundException e) {
// this should result in a 404 error code (not found)
ByteBuf message =
e.getMessage() == null
? Unpooled.buffer(0)
: Unpooled.wrappedBuffer(e.getMessage().getBytes(ENCODING));
response =
new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.NOT_FOUND, message);
response.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/plain");
LOG.warn("Error while handling request", e);
} catch (Exception e) {
byte[] bytes = ExceptionUtils.stringifyException(e).getBytes(ENCODING);
response =
new DefaultFullHttpResponse(
HttpVersion.HTTP_1_1,
HttpResponseStatus.INTERNAL_SERVER_ERROR,
Unpooled.wrappedBuffer(bytes));
response.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/plain");
LOG.warn("Error while handling request", e);
}
response.headers().set(HttpHeaders.Names.CONTENT_ENCODING, "utf-8");
response.headers().set(HttpHeaders.Names.CONTENT_LENGTH, response.content().readableBytes());
KeepAliveWrite.flush(ctx, routed.request(), response);
}
private void onGetFileChecksum(ChannelHandlerContext ctx) throws IOException {
MD5MD5CRC32FileChecksum checksum = null;
final String nnId = params.namenodeId();
DFSClient dfsclient = newDfsClient(nnId, conf);
try {
checksum = dfsclient.getFileChecksum(path, Long.MAX_VALUE);
dfsclient.close();
dfsclient = null;
} finally {
IOUtils.cleanup(LOG, dfsclient);
}
final byte[] js = JsonUtil.toJsonString(checksum).getBytes(Charsets.UTF_8);
DefaultFullHttpResponse resp =
new DefaultFullHttpResponse(HTTP_1_1, OK, Unpooled.wrappedBuffer(js));
resp.headers().set(CONTENT_TYPE, APPLICATION_JSON_UTF8);
resp.headers().set(CONTENT_LENGTH, js.length);
resp.headers().set(CONNECTION, CLOSE);
ctx.writeAndFlush(resp).addListener(ChannelFutureListener.CLOSE);
}
/**
* Respond to errors occurring on a Reactor by redirecting them to the client via an HTTP 500
* error response.
*
* @param channel the channel on which to send an HTTP response
* @return a consumer to handle HTTP requests
*/
public static Consumer<Throwable> errorHandler(
NetChannel<FullHttpRequest, FullHttpResponse> channel) {
return ev -> {
DefaultFullHttpResponse resp =
new DefaultFullHttpResponse(
HttpVersion.HTTP_1_1, HttpResponseStatus.INTERNAL_SERVER_ERROR);
resp.content().writeBytes(ev.getMessage().getBytes());
resp.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/plain");
resp.headers().set(HttpHeaders.Names.CONTENT_LENGTH, resp.content().readableBytes());
channel.send(resp);
};
}
/*
* Create an HTTP 200 response that contains the data of the thumbnailed image.
*/
public static FullHttpResponse serveImage(Path path) throws IOException {
DefaultFullHttpResponse resp = new DefaultFullHttpResponse(HTTP_1_1, OK);
RandomAccessFile f = new RandomAccessFile(path.toString(), "r");
resp.headers().set(CONTENT_TYPE, "image/jpeg");
resp.headers().set(CONTENT_LENGTH, f.length());
byte[] bytes = Files.readAllBytes(path);
resp.content().writeBytes(bytes);
return resp;
}
private void setCookies(HttpResponse response, DefaultFullHttpResponse httpServletResponse) {
if (response.getCookies() != null) {
List<Cookie> cookieValues = new ArrayList<Cookie>();
for (org.mockserver.model.Cookie cookie : response.getCookies()) {
cookieValues.add(
new DefaultCookie(cookie.getName().getValue(), cookie.getValue().getValue()));
}
if (!cookieValues.isEmpty()) {
httpServletResponse.headers().add(SET_COOKIE, ServerCookieEncoder.LAX.encode(cookieValues));
}
}
}
private void setHeaders(HttpResponse response, DefaultFullHttpResponse httpServletResponse) {
if (response.getHeaders() != null) {
for (Header header : response.getHeaders()) {
for (NottableString value : header.getValues()) {
httpServletResponse.headers().add(header.getName().getValue(), value.getValue());
}
}
}
if (Strings.isNullOrEmpty(response.getFirstHeader(CONTENT_TYPE))) {
if (response.getBody() != null && !Strings.isNullOrEmpty(response.getBody().toString())) {
Charset bodyCharset = response.getBody().getCharset(null);
String bodyContentType = response.getBody().getContentType();
if (bodyCharset != null) {
httpServletResponse
.headers()
.set(CONTENT_TYPE, bodyContentType + "; charset=" + bodyCharset.name().toLowerCase());
} else if (bodyContentType != null) {
httpServletResponse.headers().set(CONTENT_TYPE, bodyContentType);
}
}
}
}
protected FullHttpResponse newHandshakeResponse(FullHttpRequest var1, HttpHeaders var2) {
DefaultFullHttpResponse var3 =
new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.SWITCHING_PROTOCOLS);
if (var2 != null) {
var3.headers().add(var2);
}
String var4 = var1.headers().get("Sec-WebSocket-Key");
if (var4 == null) {
throw new WebSocketHandshakeException("not a WebSocket request: missing key");
} else {
String var5 = var4 + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
byte[] var6 = WebSocketUtil.sha1(var5.getBytes(CharsetUtil.US_ASCII));
String var7 = WebSocketUtil.base64(var6);
if (logger.isDebugEnabled()) {
logger.debug("WebSocket version 13 server handshake key: {}, response: {}", var4, var7);
}
var3.headers().add((String) "Upgrade", (Object) "WebSocket".toLowerCase());
var3.headers().add((String) "Connection", (Object) "Upgrade");
var3.headers().add((String) "Sec-WebSocket-Accept", (Object) var7);
String var8 = var1.headers().get("Sec-WebSocket-Protocol");
if (var8 != null) {
String var9 = this.selectSubprotocol(var8);
if (var9 == null) {
if (logger.isDebugEnabled()) {
logger.debug("Requested subprotocol(s) not supported: {}", (Object) var8);
}
} else {
var3.headers().add((String) "Sec-WebSocket-Protocol", (Object) var9);
}
}
return var3;
}
}
private void messageReceive(ChannelHandlerContext ctx, DefaultFullHttpResponse response) {
/** send next cmd * */
switch (state) {
case PLAY:
String rtpInfo = response.headers().get("RTP-Info");
setState(RTSP.PLAYING);
break;
case SETUP:
// session
String sessionId = response.headers().get("Session");
if (null != sessionId) {
Matcher matcher = Pattern.compile("([^;]+)").matcher(sessionId);
if (matcher.find()) {
rtspStack.setSession(matcher.group(1));
} else {
rtspStack.setSession(sessionId);
}
}
// transport
InetSocketAddress remoteHost = (InetSocketAddress) ctx.channel().remoteAddress();
String transport = response.headers().get("Transport");
RtpSessionExt rtp = rtspStack.getLastRtpSession();
Matcher matcher = Pattern.compile("([^\\s=;]+)=(([^-;]+)(-([^;]+))?)").matcher(transport);
while (matcher.find()) {
String key = matcher.group(1).toLowerCase();
if ("server_port".equals(key)) {
rtp.connectRtp(
new InetSocketAddress(
remoteHost.getHostString(), Integer.valueOf(matcher.group(3))));
rtp.connectRtcp(
new InetSocketAddress(
remoteHost.getHostString(), Integer.valueOf(matcher.group(5))));
} else if ("ssrc".equals(key)) {
rtp.setSsrc(Long.parseLong(matcher.group(2).trim(), 16));
} else if ("interleaved".equals(key)) {
rtp.setRtpChunk(Integer.valueOf(matcher.group(3)));
rtp.setRtcpChunk(Integer.valueOf(matcher.group(5)));
} else {
logger.warn("ignored [{}={}]", key, matcher.group(2));
}
}
// next action
boolean finish = setup(sd, mediaIndex++);
if (finish) {
sendPlay();
setState(RTSP.PLAY);
}
break;
case DESCRIBE:
if (response.getStatus().code() == HttpResponseStatus.UNAUTHORIZED.code()) {
sendDescribe(buildAuthorizationString(response));
break;
}
String desciptor = response.content().toString(Charset.forName("UTF8"));
SessionDescriptionImpl sd = new SessionDescriptionImpl();
StringTokenizer tokenizer = new StringTokenizer(desciptor);
while (tokenizer.hasMoreChars()) {
String line = tokenizer.nextToken();
try {
SDPParser paser = ParserFactory.createParser(line);
if (null != paser) {
SDPField obj = paser.parse();
sd.addField(obj);
}
} catch (ParseException e) {
logger.warn("fail parse [{}]", line, e);
}
}
this.sd = sd;
mediaIndex = 0;
setup(sd, mediaIndex++);
// 心跳
rtspStack
.getChannel()
.pipeline()
.addFirst("ping", new IdleStateHandler(30, 15, 13, TimeUnit.SECONDS));
//
rtspStack.setSessionDescription(sd);
break;
case OPTIONS:
if (response.getStatus().code() == HttpResponseStatus.UNAUTHORIZED.code()) {
sendDescribe(buildAuthorizationString(response));
} else {
sendDescribe();
}
setState(RTSP.DESCRIBE);
break;
case PLAYING:
break;
default:
logger.warn("I dont't Known What to do with {}", response);
break;
}
}
/*
* Create an HTTP 301 redirect response.
*/
public static FullHttpResponse redirect() {
DefaultFullHttpResponse resp = new DefaultFullHttpResponse(HTTP_1_1, MOVED_PERMANENTLY);
resp.headers().set(CONTENT_LENGTH, 0);
resp.headers().set(LOCATION, IMG_THUMBNAIL_URI);
return resp;
}
