Examples with Headers com.sun.net.httpserver.Headers used on opensource projects

Example 21 with Headers

use of com.sun.net.httpserver.Headers in project cloudstack by apache.

the class ConsoleProxyCmdHandler method doHandle.

public void doHandle(HttpExchange t) throws Exception {
    String path = t.getRequestURI().getPath();
    int i = path.indexOf("/", 1);
    String cmd = path.substring(i + 1);
    s_logger.info("Get CMD request for " + cmd);
    if (cmd.equals("getstatus")) {
        ConsoleProxyClientStatsCollector statsCollector = ConsoleProxy.getStatsCollector();
        Headers hds = t.getResponseHeaders();
        hds.set("Content-Type", "text/plain");
        t.sendResponseHeaders(200, 0);
        OutputStreamWriter os = new OutputStreamWriter(t.getResponseBody(), "UTF-8");
        statsCollector.getStatsReport(os);
        os.close();
    }
}

Example 22 with Headers

use of com.sun.net.httpserver.Headers in project cloudstack by apache.

the class ConsoleProxyThumbnailHandler method handle.

@Override
@SuppressWarnings("access")
public void handle(HttpExchange t) throws IOException {
    try {
        Thread.currentThread().setName("JPG Thread " + Thread.currentThread().getId() + " " + t.getRemoteAddress());
        if (s_logger.isDebugEnabled())
            s_logger.debug("ScreenHandler " + t.getRequestURI());
        long startTick = System.currentTimeMillis();
        doHandle(t);
        if (s_logger.isDebugEnabled())
            s_logger.debug(t.getRequestURI() + "Process time " + (System.currentTimeMillis() - startTick) + " ms");
    } catch (IllegalArgumentException e) {
        String response = "Bad query string";
        s_logger.error(response + ", request URI : " + t.getRequestURI());
        t.sendResponseHeaders(200, response.length());
        OutputStream os = t.getResponseBody();
        os.write(response.getBytes());
        os.close();
    } catch (OutOfMemoryError e) {
        s_logger.error("Unrecoverable OutOfMemory Error, exit and let it be re-launched");
        System.exit(1);
    } catch (Throwable e) {
        s_logger.error("Unexpected exception while handing thumbnail request, ", e);
        String queries = t.getRequestURI().getQuery();
        Map<String, String> queryMap = getQueryMap(queries);
        int width = 0;
        int height = 0;
        String ws = queryMap.get("w");
        String hs = queryMap.get("h");
        try {
            width = Integer.parseInt(ws);
            height = Integer.parseInt(hs);
        } catch (NumberFormatException ex) {
            s_logger.debug("Cannot parse width: " + ws + " or height: " + hs, ex);
        }
        width = Math.min(width, 800);
        height = Math.min(height, 600);
        BufferedImage img = generateTextImage(width, height, "Cannot Connect");
        ByteArrayOutputStream bos = new ByteArrayOutputStream(8196);
        javax.imageio.ImageIO.write(img, "jpg", bos);
        byte[] bs = bos.toByteArray();
        Headers hds = t.getResponseHeaders();
        hds.set("Content-Type", "image/jpeg");
        hds.set("Cache-Control", "no-cache");
        hds.set("Cache-Control", "no-store");
        t.sendResponseHeaders(200, bs.length);
        OutputStream os = t.getResponseBody();
        os.write(bs);
        os.close();
        s_logger.error("Cannot get console, sent error JPG response for " + t.getRequestURI());
        return;
    } finally {
        t.close();
    }
}

Example 23 with Headers

use of com.sun.net.httpserver.Headers in project cloudstack by apache.

the class ConsoleProxyThumbnailHandler method doHandle.

private void doHandle(HttpExchange t) throws Exception, IllegalArgumentException {
    String queries = t.getRequestURI().getQuery();
    Map<String, String> queryMap = getQueryMap(queries);
    int width = 0;
    int height = 0;
    int port = 0;
    String ws = queryMap.get("w");
    String hs = queryMap.get("h");
    String host = queryMap.get("host");
    String portStr = queryMap.get("port");
    String sid = queryMap.get("sid");
    String tag = queryMap.get("tag");
    String ticket = queryMap.get("ticket");
    String console_url = queryMap.get("consoleurl");
    String console_host_session = queryMap.get("sessionref");
    if (tag == null)
        tag = "";
    if (ws == null || hs == null || host == null || portStr == null || sid == null) {
        throw new IllegalArgumentException();
    }
    try {
        width = Integer.parseInt(ws);
        height = Integer.parseInt(hs);
        port = Integer.parseInt(portStr);
    } catch (NumberFormatException e) {
        throw new IllegalArgumentException(e);
    }
    ConsoleProxyClientParam param = new ConsoleProxyClientParam();
    param.setClientHostAddress(host);
    param.setClientHostPort(port);
    param.setClientHostPassword(sid);
    param.setClientTag(tag);
    param.setTicket(ticket);
    param.setClientTunnelUrl(console_url);
    param.setClientTunnelSession(console_host_session);
    ConsoleProxyClient viewer = ConsoleProxy.getVncViewer(param);
    if (!viewer.isHostConnected()) {
        // use generated image instead of static
        BufferedImage img = generateTextImage(width, height, "Connecting");
        ByteArrayOutputStream bos = new ByteArrayOutputStream(8196);
        javax.imageio.ImageIO.write(img, "jpg", bos);
        byte[] bs = bos.toByteArray();
        Headers hds = t.getResponseHeaders();
        hds.set("Content-Type", "image/jpeg");
        hds.set("Cache-Control", "no-cache");
        hds.set("Cache-Control", "no-store");
        t.sendResponseHeaders(200, bs.length);
        OutputStream os = t.getResponseBody();
        os.write(bs);
        os.close();
        if (s_logger.isInfoEnabled())
            s_logger.info("Console not ready, sent dummy JPG response");
        return;
    }
    {
        Image scaledImage = viewer.getClientScaledImage(width, height);
        BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
        Graphics2D bufImageGraphics = bufferedImage.createGraphics();
        bufImageGraphics.drawImage(scaledImage, 0, 0, null);
        ByteArrayOutputStream bos = new ByteArrayOutputStream(8196);
        javax.imageio.ImageIO.write(bufferedImage, "jpg", bos);
        byte[] bs = bos.toByteArray();
        Headers hds = t.getResponseHeaders();
        hds.set("Content-Type", "image/jpeg");
        hds.set("Cache-Control", "no-cache");
        hds.set("Cache-Control", "no-store");
        t.sendResponseHeaders(200, bs.length);
        OutputStream os = t.getResponseBody();
        os.write(bs);
        os.close();
    }
}