Java Code Examples for javax.servlet.http.HttpServletRequest#getLocalPort()

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    final URL url = new URL("http",  req.getLocalAddr(), req.getLocalPort(),req.getServletContext().getContextPath() + "/hello-world.jsp");
    final HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
    urlConnection.connect();
    final InputStream inputStream = urlConnection.getInputStream();
    resp.setStatus(urlConnection.getResponseCode());
    resp.setContentType(urlConnection.getHeaderField("Content-Type"));
    final byte[] buffer = new byte[1024];
    final ServletOutputStream outputStream = resp.getOutputStream();
    for (int limit = inputStream.read(buffer); limit != -1; limit = inputStream.read(buffer)) {
        outputStream.write(buffer, 0, limit);
    }
    inputStream.close();
    urlConnection.disconnect();
    outputStream.close();
}
 

private void accept(HttpServletRequest req, HttpServletResponse resp) {
    try {
        String path = "http://" + req.getLocalAddr() + ":" + req.getLocalPort() + req.getContextPath();
        InputStream is = getClass().getResourceAsStream(
                "/com/ramussoft/jnlp/ramus-local.jnlp");
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        int r;
        while ((r = is.read()) >= 0)
            out.write(r);
        String string = MessageFormat.format(new String(out.toByteArray(),
                "UTF8"), path);
        resp.setContentType("application/x-java-jnlp-file");
        OutputStream o = resp.getOutputStream();
        o.write(string.getBytes("UTF8"));
        o.close();
    } catch (IOException e) {
        e.printStackTrace();
    }

}
 

@POST
@Path( "stopMonitoring")
@Produces( MediaType.APPLICATION_JSON)
public Response stopMonitoring(
                                @Context HttpServletRequest request,
                                BasePojo basePojo ) {

    final String caller = getCaller(request, basePojo, false);
    ThreadsPerCaller.registerThread(caller);
    try {
        SessionData sd = getSessionData(request, basePojo);

        RestSystemMonitor restSystemMonitor = sd.getSystemMonitor();

        String agent = request.getLocalAddr() + ":" + request.getLocalPort();

        restSystemMonitor.stopMonitoring(agent);
    } catch (Exception e) {
        return Response.serverError().entity(new ErrorPojo(e)).build();
    } finally {
        ThreadsPerCaller.unregisterThread();
    }

    return Response.ok("{\"status\":\"monitoring stopped.\"}").build();
}
 

public static String resolve(String url, HttpServletRequest request) {
    if (request == null) {
        return url;
    }
    if (isLocal(url)) {
        try {
            URL urlValue = new URL(url);
            URL updatedUrl = new URL(urlValue.getProtocol(), urlValue.getHost(), request.getLocalPort(),
                                     urlValue.getFile());
            LOG.debug("URL updated to {}", updatedUrl.toString());
            return updatedUrl.toString();
        } catch (MalformedURLException e) {
            LOG.error("Invalid Url '{}': {}", url, e.getMessage());
        }
    }
    return url;
}
 

private void accept(HttpServletRequest req, HttpServletResponse resp) {
    try {
        String localAddr = req.getLocalAddr();
        Properties properties = EngineFactory.getPropeties();
        if (properties.getProperty("hostname") != null) {
            localAddr = properties.getProperty("hostname");
        }
        String path = "http://" + localAddr + ":" + req.getLocalPort()
                + req.getContextPath();
        InputStream is = getClass().getResourceAsStream(
                "/com/ramussoft/jnlp/season-tcp-client.jnlp");
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        int r;
        while ((r = is.read()) >= 0)
            out.write(r);
        String string = MessageFormat.format(new String(out.toByteArray(),
                "UTF8"), path);
        resp.setContentType("application/x-java-jnlp-file");
        OutputStream o = resp.getOutputStream();
        o.write(string.getBytes("UTF8"));
        o.close();
    } catch (IOException e) {
        e.printStackTrace();
    }

}
 

public static URI toAbsoluteUri(URI u, Message message) {
    HttpServletRequest request =
        (HttpServletRequest)message.get(AbstractHTTPDestination.HTTP_REQUEST);
    boolean absolute = u.isAbsolute();
    StringBuilder uriBuf = new StringBuilder();
    if (request != null && (!absolute || isLocalHostOrAnyIpAddress(u, uriBuf, message))) {
        String serverAndPort = request.getServerName();
        boolean localAddressUsed = false;
        if (absolute) {
            if (ANY_IP_ADDRESS.equals(serverAndPort)) {
                serverAndPort = request.getLocalAddr();
                localAddressUsed = true;
            }
            if (LOCAL_HOST_IP_ADDRESS.equals(serverAndPort)) {
                serverAndPort = "localhost";
                localAddressUsed = true;
            }
        }


        int port = localAddressUsed ? request.getLocalPort() : request.getServerPort();
        if (port != DEFAULT_HTTP_PORT) {
            serverAndPort += ":" + port;
        }
        String base = request.getScheme() + "://" + serverAndPort;
        if (!absolute) {
            u = URI.create(base + u.toString());
        } else {
            int originalPort = u.getPort();
            String hostValue = uriBuf.toString().contains(ANY_IP_ADDRESS_SCHEME)
                ? ANY_IP_ADDRESS : LOCAL_HOST_IP_ADDRESS;
            String replaceValue = originalPort == -1 ? hostValue : hostValue + ":" + originalPort;
            u = URI.create(u.toString().replace(replaceValue, serverAndPort));
        }
    }
    return u;
}
 

@RequestMapping("/main")
public ModelAndView toMain(HttpServletRequest request){
    ModelAndView modelAndView=new ModelAndView("admin/main");
    String clientIp=request.getRemoteAddr();    //获取客户端IP，如：127.0.0.1
    String hostIp=request.getLocalAddr();
    int hostPort=request.getLocalPort();
    Date date = new Date();
    SimpleDateFormat df = new SimpleDateFormat("yyyy/MM/dd HH:mm");//设置日期格式
    String dates = df.format(date);
    Admin admin=(Admin) request.getSession().getAttribute("admin");
    AdminLoginLog lastLoginLog=null;
    try {
        if (adminLoginLogService.selectRencent(admin.getId())!=null && adminLoginLogService.selectRencent(admin.getId()).size()==2){
            List<AdminLoginLog> adminLoginLogs=adminLoginLogService.selectRencent(admin.getId());
            lastLoginLog=adminLoginLogs.get(1);
        }

    }catch (Exception e){
        e.printStackTrace();
    }finally {
        int articleCount=articleService.selectCount();
        int commentCount=commentService.countAllNum();
        int loginNum=adminLoginLogService.selectCountByAdminId(admin.getId());
        modelAndView.addObject("clientIp",clientIp);
        modelAndView.addObject("hostIp",hostIp);
        modelAndView.addObject("hostPort",hostPort);
        modelAndView.addObject("date",dates);
        if (lastLoginLog!=null){
            modelAndView.addObject("loginLog",lastLoginLog);
        }
        modelAndView.addObject("articleCount",articleCount);
        modelAndView.addObject("commentCount",commentCount);
        modelAndView.addObject("loginNum",loginNum);
        return modelAndView;
    }


}
 

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    final ControllerDTO controller = new ControllerDTO();

    if (req.getLocalPort() == httpConnector.getLocalPort()) {
        controller.setRemoteSiteHttpListeningPort(httpConnector.getLocalPort());
        controller.setSiteToSiteSecure(false);
    } else {
        controller.setRemoteSiteHttpListeningPort(sslConnector.getLocalPort());
        controller.setSiteToSiteSecure(true);
    }

    controller.setId("remote-controller-id");
    controller.setInstanceId("remote-instance-id");
    controller.setName("Remote NiFi Flow");

    assertNotNull("Test case should set <inputPorts> depending on the test scenario.", inputPorts);
    controller.setInputPorts(inputPorts);
    controller.setInputPortCount(inputPorts.size());

    assertNotNull("Test case should set <outputPorts> depending on the test scenario.", outputPorts);
    controller.setOutputPorts(outputPorts);
    controller.setOutputPortCount(outputPorts.size());

    final ControllerEntity controllerEntity = new ControllerEntity();
    controllerEntity.setController(controller);

    respondWithJson(resp, controllerEntity);
}
 

public XForwardedRequest(HttpServletRequest request) {
    super(request);
    this.localPort = request.getLocalPort();
    this.remoteAddr = request.getRemoteAddr();
    this.remoteHost = request.getRemoteHost();
    this.scheme = request.getScheme();
    this.secure = request.isSecure();
    this.serverPort = request.getServerPort();
    
    headers = new HashMap<String, List<String>>();
    for (Enumeration<String> headerNames = request.getHeaderNames(); headerNames.hasMoreElements();) {
        String header = headerNames.nextElement();
        headers.put(header, Collections.list(request.getHeaders(header)));
    }
}
 

public RequestData(final HttpServletRequest request) {
    method = request.getMethod();
    uri = request.getRequestURI();
    protocol = request.getProtocol();
    servletPath = request.getServletPath();
    pathInfo = request.getPathInfo();
    pathTranslated = request.getPathTranslated();
    characterEncoding = request.getCharacterEncoding();
    queryString = request.getQueryString();
    contentLength = request.getContentLength();
    contentType = request.getContentType();
    serverName = request.getServerName();
    serverPort = request.getServerPort();
    remoteUser = request.getRemoteUser();
    remoteAddress = request.getRemoteAddr();
    remoteHost = request.getRemoteHost();
    remotePort = request.getRemotePort();
    localAddress = request.getLocalAddr();
    localHost = request.getLocalName();
    localPort = request.getLocalPort();
    authorizationScheme = request.getAuthType();
    preferredClientLocale = request.getLocale();
    allClientLocales = Collections.list(request.getLocales());
    contextPath = request.getContextPath();
    userPrincipal = request.getUserPrincipal();
    requestHeaders = getRequestHeaders(request);
    cookies = getCookies(request.getCookies());
    requestAttributes = getRequestAttributes(request);
}
 

/**
 * Initialize Monitoring context Must be called before calling any
 * scheduleXYZMonitoring REST method
 */
@POST
@Path( "initializeMonitoring")
@Consumes( MediaType.APPLICATION_JSON)
@Produces( MediaType.APPLICATION_JSON)
public Response initializeMonitoring(
                                      @Context HttpServletRequest request,
                                      BasePojo basePojo ) {

    final String caller = getCaller(request, basePojo, false);
    ThreadsPerCaller.registerThread(caller);

    try {

        SessionData sd = getSessionData(request, basePojo);

        RestSystemMonitor restSystemMonitor = sd.getSystemMonitor();

        String agent = request.getLocalAddr() + ":" + request.getLocalPort();

        restSystemMonitor.initializeMonitoringContext(agent);

        return Response.ok("{\"status\":\"monitoring context initialized.\"}").build();

    } catch (Exception e) {
        return Response.serverError().entity(new ErrorPojo(e)).build();
    } finally {
        ThreadsPerCaller.unregisterThread();
    }

}
 

public HttpServletRequestSnapshot(HttpServletRequest request) {
    super(request);
    authType = request.getAuthType();
    characterEncoding = request.getCharacterEncoding();
    contentLength = request.getContentLength();
    contentType = request.getContentType();
    contextPath = request.getContextPath();
    cookies = request.getCookies();
    requestHeaderNames = request.getHeaderNames();
    Enumeration<String> tmp = request.getHeaderNames();
    while (tmp.hasMoreElements()) {
        String key = tmp.nextElement();
        headersMap.put(key, request.getHeaders(key));
    }
    localAddr = request.getLocalAddr();
    local = request.getLocale();
    localName = request.getLocalName();
    localPort = request.getLocalPort();
    method = request.getMethod();
    pathInfo = request.getPathInfo();
    pathTranslated = request.getPathTranslated();
    protocol = request.getProtocol();
    queryString = request.getQueryString();
    remoteAddr = request.getRemoteAddr();
    remoteHost = request.getRemoteHost();
    remotePort = request.getRemotePort();
    remoteUser = request.getRemoteUser();
    requestURI = request.getRequestURI();
    requestURL = request.getRequestURL();
    requestedSessionId = request.getRequestedSessionId();
    schema = request.getScheme();
    serverName = request.getServerName();
    serverPort = request.getServerPort();
    servletPath = request.getServletPath();
    if (request.isRequestedSessionIdValid()) {
        session = request.getSession();
    }
    principal = request.getUserPrincipal();
}
 

void validateRequest(HttpServletRequest request, final String principalDomain, final String caller,
                     boolean statusRequest) {
    
    // first validate if we're required process this over TLS only
    
    if (secureRequestsOnly && !request.isSecure()) {
        throw requestError(caller + "request must be over TLS", caller,
                ZTSConsts.ZTS_UNKNOWN_DOMAIN, principalDomain);
    }
    
    // second check if this is a status port so we can only
    // process on status requests
    
    if (statusPort > 0 && statusPort != httpPort && statusPort != httpsPort) {
        
        // non status requests must not take place on the status port
        
        if (!statusRequest && request.getLocalPort() == statusPort) {
            throw requestError("incorrect port number for a non-status request",
                    caller, ZTSConsts.ZTS_UNKNOWN_DOMAIN, principalDomain);
        }
        
        // status requests must not take place on a non-status port
        
        if (statusRequest && request.getLocalPort() != statusPort) {
            throw requestError("incorrect port number for a status request",
                    caller, ZTSConsts.ZTS_UNKNOWN_DOMAIN, principalDomain);
        }
    }
}
 

@RequestMapping(value = "/{userId}/lights", method = RequestMethod.GET, produces = "application/json")
public ResponseEntity<Map<String, String>> getUpnpConfiguration(@PathVariable(value = "userId") String userId, HttpServletRequest request) {
    log.info("hue lights list requested: " + userId + " from " + request.getRemoteAddr() + request.getLocalPort());

    int pageNumber = request.getLocalPort()-portBase;
    Page<DeviceDescriptor> deviceList = repository.findByDeviceType("switch", new PageRequest(pageNumber, 25));
    Map<String, String> deviceResponseMap = new HashMap<>();
    for (DeviceDescriptor device : deviceList) {
        deviceResponseMap.put(device.getId(), device.getName());
    }
    return new ResponseEntity<>(deviceResponseMap, null, HttpStatus.OK);
}
 

@PostMapping(value = "/createnewuser",
             consumes = {"application/json"},
             produces = {"application/json"})
public ResponseEntity<?> addNewUser(HttpServletRequest httpServletRequest,
                                    @RequestParam(defaultValue = "true")
                                            boolean getaccess,
                                    @Valid
                                    @RequestBody
                                            UserMinimum newminuser) throws URISyntaxException
{
    logger.trace(httpServletRequest.getMethod()
                                   .toUpperCase() + " " + httpServletRequest.getRequestURI() + " accessed");

    // Create the user
    User newuser = new User();

    newuser.setUsername(newminuser.getUsername());
    newuser.setPassword(newminuser.getPassword());
    newuser.setPrimaryemail(newminuser.getPrimaryemail());

    ArrayList<UserRoles> newRoles = new ArrayList<>();
    newRoles.add(new UserRoles(newuser,
                               roleService.findByName("user")));
    newuser.setUserroles(newRoles);

    newuser = userService.save(newuser);

    // set the location header for the newly created resource - to another controller!
    HttpHeaders responseHeaders = new HttpHeaders();
    URI newUserURI = ServletUriComponentsBuilder.fromUriString(httpServletRequest.getServerName() + ":" + httpServletRequest.getLocalPort() + "/users/user/{userId}")
                                                .buildAndExpand(newuser.getUserid())
                                                .toUri();
    responseHeaders.setLocation(newUserURI);

    String theToken = "";
    if (getaccess)
    {
        // return the access token
        RestTemplate restTemplate = new RestTemplate();
        String requestURI = "http://" + httpServletRequest.getServerName() + ":" + httpServletRequest.getLocalPort() + "/login";

        List<MediaType> acceptableMediaTypes = new ArrayList<>();
        acceptableMediaTypes.add(MediaType.APPLICATION_JSON);

        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
        headers.setAccept(acceptableMediaTypes);
        headers.setBasicAuth(System.getenv("OAUTHCLIENTID"),
                             System.getenv("OAUTHCLIENTSECRET"));

        MultiValueMap<String, String> map = new LinkedMultiValueMap<>();
        map.add("grant_type",
                "password");
        map.add("scope",
                "read write trust");
        map.add("username",
                newminuser.getUsername());
        map.add("password",
                newminuser.getPassword());

        HttpEntity<MultiValueMap<String, String>> request = new HttpEntity<>(map,
                                                                             headers);

        theToken = restTemplate.postForObject(requestURI,
                                              request,
                                              String.class);
    } else
    {
        // nothing;
    }
    return new ResponseEntity<>(theToken,
                                responseHeaders,
                                HttpStatus.CREATED);
}
 

@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
    servletRequest.setCharacterEncoding("UTF-8");

    final HttpServletRequest request = (HttpServletRequest)servletRequest;

    KeycloakSessionFactory sessionFactory = (KeycloakSessionFactory) servletRequest.getServletContext().getAttribute(KeycloakSessionFactory.class.getName());
    KeycloakSession session = sessionFactory.create();
    Resteasy.pushContext(KeycloakSession.class, session);
    ClientConnection connection = new ClientConnection() {
        @Override
        public String getRemoteAddr() {
            return request.getRemoteAddr();
        }

        @Override
        public String getRemoteHost() {
            return request.getRemoteHost();
        }

        @Override
        public int getRemotePort() {
            return request.getRemotePort();
        }

        @Override
        public String getLocalAddr() {
            return request.getLocalAddr();
        }

        @Override
        public int getLocalPort() {
            return request.getLocalPort();
        }
    };
    session.getContext().setConnection(connection);
    Resteasy.pushContext(ClientConnection.class, connection);

    KeycloakTransaction tx = session.getTransactionManager();
    Resteasy.pushContext(KeycloakTransaction.class, tx);
    tx.begin();

    try {
        filterChain.doFilter(servletRequest, servletResponse);
    } finally {
        if (servletRequest.isAsyncStarted()) {
            servletRequest.getAsyncContext().addListener(createAsyncLifeCycleListener(session));
        } else {
            closeSession(session);
        }
    }
}
 

public ServletRequestCopy(HttpServletRequest request) {
	this.servletPath = request.getServletPath();
	this.contextPath = request.getContextPath();
	this.pathInfo = request.getPathInfo();
	this.requestUri = request.getRequestURI();
	this.requestURL = request.getRequestURL();
	this.method = request.getMethod();
	this.serverName = request.getServerName();
	this.serverPort = request.getServerPort();
	this.protocol = request.getProtocol();
	this.scheme = request.getScheme();
	
	
	/*
	 * have to comment out below two lines as otherwise web socket will
	 * report UnSupportedOperationException upon connection
	 */
	//this.characterEncoding = request.getCharacterEncoding();
	//this.contentType = request.getContentType();
	//this.requestedSessionId = request.getRequestedSessionId();
	this.characterEncoding = null;
	this.contentType = null;
	this.requestedSessionId = null;
	
	this.locale = request.getLocale();
	this.locales = request.getLocales();
	this.isSecure = request.isSecure();
	this.remoteUser = request.getRemoteUser();
	this.remoteAddr = request.getRemoteAddr();
	this.remoteHost = request.getRemoteHost();
	this.remotePort = request.getRemotePort();
	this.localAddr = request.getLocalAddr();
	this.localName = request.getLocalName();
	this.localPort = request.getLocalPort();
	this.pathTranslated = request.getPathTranslated();
	this.principal = request.getUserPrincipal();

	HttpSession session = request.getSession(true);
	httpSession = new HttpSessionCopy(session);

	String s;
	Enumeration<String> e = request.getHeaderNames();
	while (e != null && e.hasMoreElements()) {
		s = e.nextElement();
		Enumeration<String> headerValues = request.getHeaders(s);
		this.headers.put(s, headerValues);
	}

	e = request.getAttributeNames();
	while (e != null && e.hasMoreElements()) {
		s = e.nextElement();
		attributes.put(s, request.getAttribute(s));
	}

	e = request.getParameterNames();
	while (e != null && e.hasMoreElements()) {
		s = e.nextElement();
		parameters.put(s, request.getParameterValues(s));
	}
}
 

/**
 * Intercepts a message. Interceptors should NOT invoke handleMessage or handleFault on the next interceptor - the
 * interceptor chain will take care of this.
 */
@Override
public void handleMessage( final Message message )
{
    try
    {
        if ( InterceptorState.SERVER_IN.isActive( message ) )
        {
            //obtain client request
            HttpServletRequest req = ( HttpServletRequest ) message.getExchange().getInMessage()
                                                                   .get( AbstractHTTPDestination.HTTP_REQUEST );

            if ( req.getLocalPort() == Common.DEFAULT_PUBLIC_SECURE_PORT )
            {
                HttpHeaders headers = new HttpHeadersImpl( message.getExchange().getInMessage() );
                String subutaiHeader = headers.getHeaderString( Common.SUBUTAI_HTTP_HEADER );

                String path = req.getRequestURI();

                if ( path.startsWith( "/rest/v1/peer" ) )
                {
                    handlePeerMessage( subutaiHeader, message );
                }
                else
                {
                    final String prefix = "/rest/v1/env";
                    if ( path.startsWith( prefix ) )
                    {
                        String s = path.substring( prefix.length() + 1 );
                        String environmentId = s.substring( 0, s.indexOf( "/" ) );
                        handleEnvironmentMessage( subutaiHeader, environmentId, message );
                    }
                }
            }
        }
    }
    catch ( Exception e )
    {
        throw new Fault( e );
    }
}
 

/**
 * Tell the DbEventRequestProcess which run and test must receive the DB
 * messages/data
 */
@POST
@Path( "joinTestcase")
@Consumes( MediaType.APPLICATION_JSON)
@Produces( MediaType.APPLICATION_JSON)
public Response joinTestcase(
                              @Context HttpServletRequest request,
                              JoinTestcasePojo testCaseStatePojo ) {

    final String caller = getCaller(request, testCaseStatePojo, false);
    ThreadsPerCaller.registerThread(caller);

    try {
        SessionData sd = getSessionData(request, testCaseStatePojo);

        RestSystemMonitor restSystemMonitor = sd.getSystemMonitor();

        // cancel all action tasks, that are started on an agent, located on
        // the current caller host.
        // current caller and the agent must have the same IP, in order for
        // the queue to be cancelled
        dbLog.debug("Cancelling all action task on the agent, that were started form the current caller.");
        MultiThreadedActionHandler.cancellAllQueuesFromAgent(ThreadsPerCaller.getCaller());

        // cancel all running system monitoring tasks on the agent
        dbLog.debug("Cancelling all running system monitoring tasks on the agent, that were started form the current caller.");
        String agent = request.getLocalAddr() + ":" + request.getLocalPort();
        restSystemMonitor.stopMonitoring(agent);

        TestCaseState newTestCaseState = new TestCaseState();
        newTestCaseState.setRunId(testCaseStatePojo.getRunId());
        newTestCaseState.setTestcaseId(testCaseStatePojo.getTestcaseId());
        newTestCaseState.setLastExecutedTestcaseId(testCaseStatePojo.getLastExecutedTestcaseId());

        // get the current state on the agent
        TestCaseState currentState = dbLog.getCurrentTestCaseState();
        boolean joinToNewTescase = true;
        if (currentState != null && currentState.isInitialized()) {
            /* This agent is already configured.
             *
             * Now check if the state is the same as the new one, this would mean we are trying to
             * configure this agent for second time.
             * This is normal as we get here when Test Executor or another agent calls this agent for first time.
             *
             * If the state is different, we hit an error which means this agent did not get On Test End event
             * for the previous test case.
             */
            if (!currentState.equals(newTestCaseState)) {

                dbLog.error("This test appears to be aborted by the user on the test executor side, but it kept running on the agent side."
                            + " Now we cancel any further logging from the agent.");
                dbLog.leaveTestCase();
            } else {
                joinToNewTescase = false;

            }
        }

        if (joinToNewTescase) {

            /* previous RestSystemMonitor instance is still in the sessionData for that caller 
             * so we create new RestSystemMonitor for this caller
             * */
            restSystemMonitor = new RestSystemMonitor();
            sd.setSystemMonitor(restSystemMonitor);
            dbLog.joinTestCase(newTestCaseState);
            
            logClassPath(newTestCaseState);

            return Response.ok("{\"status\": \"testcase joined.\"}").build();
        } else {
            
            return Response.ok("{\"status\": \"testcase already joined.\"}").build();
        }

        
    } catch (Exception e) {
        return Response.serverError().entity(new ErrorPojo(e)).build();
    } finally {
        ThreadsPerCaller.unregisterThread();
    }

}
 

private Peer constructPeer(final HttpServletRequest req, final InputStream inputStream,
                           final OutputStream outputStream, final String portId, final String transactionId) {
    String clientHostName = req.getRemoteHost();
    try {
        // req.getRemoteHost returns IP address, try to resolve hostname to be consistent with RAW protocol.
        final InetAddress clientAddress = InetAddress.getByName(clientHostName);
        clientHostName = clientAddress.getHostName();
    } catch (UnknownHostException e) {
        logger.info("Failed to resolve client hostname {}, due to {}", clientHostName, e.getMessage());
    }
    final int clientPort = req.getRemotePort();

    final PeerDescription peerDescription = new PeerDescription(clientHostName, clientPort, req.isSecure());

    final NiFiUser user = NiFiUserUtils.getNiFiUser();
    final String userDn = user == null ? null : user.getIdentity();
    final HttpServerCommunicationsSession commSession = new HttpServerCommunicationsSession(inputStream, outputStream, transactionId, userDn);

    boolean useCompression = false;
    final String useCompressionStr = req.getHeader(HANDSHAKE_PROPERTY_USE_COMPRESSION);
    if (!isEmpty(useCompressionStr) && Boolean.valueOf(useCompressionStr)) {
        useCompression = true;
    }

    final String requestExpiration = req.getHeader(HANDSHAKE_PROPERTY_REQUEST_EXPIRATION);
    final String batchCount = req.getHeader(HANDSHAKE_PROPERTY_BATCH_COUNT);
    final String batchSize = req.getHeader(HANDSHAKE_PROPERTY_BATCH_SIZE);
    final String batchDuration = req.getHeader(HANDSHAKE_PROPERTY_BATCH_DURATION);

    commSession.putHandshakeParam(HandshakeProperty.PORT_IDENTIFIER, portId);
    commSession.putHandshakeParam(HandshakeProperty.GZIP, String.valueOf(useCompression));

    if (!isEmpty(requestExpiration)) {
        commSession.putHandshakeParam(REQUEST_EXPIRATION_MILLIS, requestExpiration);
    }
    if (!isEmpty(batchCount)) {
        commSession.putHandshakeParam(BATCH_COUNT, batchCount);
    }
    if (!isEmpty(batchSize)) {
        commSession.putHandshakeParam(BATCH_SIZE, batchSize);
    }
    if (!isEmpty(batchDuration)) {
        commSession.putHandshakeParam(BATCH_DURATION, batchDuration);
    }

    if (peerDescription.isSecure()) {
        final NiFiUser nifiUser = NiFiUserUtils.getNiFiUser();
        logger.debug("initiating peer, nifiUser={}", nifiUser);
        commSession.setUserDn(nifiUser.getIdentity());
    }

    // TODO: Followed how SocketRemoteSiteListener define peerUrl and clusterUrl, but it can be more meaningful values, especially for clusterUrl.
    final String peerUrl = "nifi://" + clientHostName + ":" + clientPort;
    final String clusterUrl = "nifi://localhost:" + req.getLocalPort();

    return new Peer(peerDescription, commSession, peerUrl, clusterUrl);
}