Examples with DistributedManager org.apache.catalina.DistributedManager used on opensource projects

Example 1 with DistributedManager

use of org.apache.catalina.DistributedManager in project tomcat by apache.

the class HostConfig method checkUndeploy.

/**
     * Check for old versions of applications using parallel deployment that are
     * now unused (have no active sessions) and undeploy any that are found.
     */
public synchronized void checkUndeploy() {
    // Need ordered set of names
    SortedSet<String> sortedAppNames = new TreeSet<>();
    sortedAppNames.addAll(deployed.keySet());
    if (sortedAppNames.size() < 2) {
        return;
    }
    Iterator<String> iter = sortedAppNames.iterator();
    ContextName previous = new ContextName(iter.next(), false);
    do {
        ContextName current = new ContextName(iter.next(), false);
        if (current.getPath().equals(previous.getPath())) {
            // Current and previous are same path - current will always
            // be a later version
            Context previousContext = (Context) host.findChild(previous.getName());
            Context currentContext = (Context) host.findChild(current.getName());
            if (previousContext != null && currentContext != null && currentContext.getState().isAvailable() && !isServiced(previous.getName())) {
                Manager manager = previousContext.getManager();
                if (manager != null) {
                    int sessionCount;
                    if (manager instanceof DistributedManager) {
                        sessionCount = ((DistributedManager) manager).getActiveSessionsFull();
                    } else {
                        sessionCount = manager.getActiveSessions();
                    }
                    if (sessionCount == 0) {
                        if (log.isInfoEnabled()) {
                            log.info(sm.getString("hostConfig.undeployVersion", previous.getName()));
                        }
                        DeployedApplication app = deployed.get(previous.getName());
                        String[] resources = app.redeployResources.keySet().toArray(new String[0]);
                        // Version is unused - undeploy it completely
                        // The -1 is a 'trick' to ensure all redeploy
                        // resources are removed
                        undeploy(app);
                        deleteRedeployResources(app, resources, -1, true);
                    }
                }
            }
        }
        previous = current;
    } while (iter.hasNext());
}

Example 2 with DistributedManager

use of org.apache.catalina.DistributedManager in project tomcat by apache.

the class HTMLManagerServlet method list.

/**
     * Render a HTML list of the currently active Contexts in our virtual host,
     * and memory and server status information.
     *
     * @param request The request
     * @param response The response
     * @param message a message to display
     * @param smClient internationalized strings
     * @throws IOException an IO error occurred
     */
protected void list(HttpServletRequest request, HttpServletResponse response, String message, StringManager smClient) throws IOException {
    if (debug >= 1)
        log("list: Listing contexts for virtual host '" + host.getName() + "'");
    PrintWriter writer = response.getWriter();
    // HTML Header Section
    writer.print(Constants.HTML_HEADER_SECTION);
    // Body Header Section
    Object[] args = new Object[2];
    args[0] = request.getContextPath();
    args[1] = smClient.getString("htmlManagerServlet.title");
    writer.print(MessageFormat.format(Constants.BODY_HEADER_SECTION, args));
    // Message Section
    args = new Object[3];
    args[0] = smClient.getString("htmlManagerServlet.messageLabel");
    if (message == null || message.length() == 0) {
        args[1] = "OK";
    } else {
        args[1] = RequestUtil.filter(message);
    }
    writer.print(MessageFormat.format(Constants.MESSAGE_SECTION, args));
    // Manager Section
    args = new Object[9];
    args[0] = smClient.getString("htmlManagerServlet.manager");
    args[1] = response.encodeURL(request.getContextPath() + "/html/list");
    args[2] = smClient.getString("htmlManagerServlet.list");
    args[3] = response.encodeURL(request.getContextPath() + "/" + smClient.getString("htmlManagerServlet.helpHtmlManagerFile"));
    args[4] = smClient.getString("htmlManagerServlet.helpHtmlManager");
    args[5] = response.encodeURL(request.getContextPath() + "/" + smClient.getString("htmlManagerServlet.helpManagerFile"));
    args[6] = smClient.getString("htmlManagerServlet.helpManager");
    args[7] = response.encodeURL(request.getContextPath() + "/status");
    args[8] = smClient.getString("statusServlet.title");
    writer.print(MessageFormat.format(Constants.MANAGER_SECTION, args));
    // Apps Header Section
    args = new Object[7];
    args[0] = smClient.getString("htmlManagerServlet.appsTitle");
    args[1] = smClient.getString("htmlManagerServlet.appsPath");
    args[2] = smClient.getString("htmlManagerServlet.appsVersion");
    args[3] = smClient.getString("htmlManagerServlet.appsName");
    args[4] = smClient.getString("htmlManagerServlet.appsAvailable");
    args[5] = smClient.getString("htmlManagerServlet.appsSessions");
    args[6] = smClient.getString("htmlManagerServlet.appsTasks");
    writer.print(MessageFormat.format(APPS_HEADER_SECTION, args));
    // Apps Row Section
    // Create sorted map of deployed applications by context name.
    Container[] children = host.findChildren();
    String[] contextNames = new String[children.length];
    for (int i = 0; i < children.length; i++) contextNames[i] = children[i].getName();
    Arrays.sort(contextNames);
    String appsStart = smClient.getString("htmlManagerServlet.appsStart");
    String appsStop = smClient.getString("htmlManagerServlet.appsStop");
    String appsReload = smClient.getString("htmlManagerServlet.appsReload");
    String appsUndeploy = smClient.getString("htmlManagerServlet.appsUndeploy");
    String appsExpire = smClient.getString("htmlManagerServlet.appsExpire");
    String noVersion = "<i>" + smClient.getString("htmlManagerServlet.noVersion") + "</i>";
    boolean isHighlighted = true;
    boolean isDeployed = true;
    String highlightColor = null;
    for (String contextName : contextNames) {
        Context ctxt = (Context) host.findChild(contextName);
        if (ctxt != null) {
            // Bugzilla 34818, alternating row colors
            isHighlighted = !isHighlighted;
            if (isHighlighted) {
                highlightColor = "#C3F3C3";
            } else {
                highlightColor = "#FFFFFF";
            }
            String contextPath = ctxt.getPath();
            String displayPath = contextPath;
            if (displayPath.equals("")) {
                displayPath = "/";
            }
            StringBuilder tmp = new StringBuilder();
            tmp.append("path=");
            tmp.append(URL_ENCODER.encode(displayPath, "UTF-8"));
            if (ctxt.getWebappVersion().length() > 0) {
                tmp.append("&version=");
                tmp.append(URL_ENCODER.encode(ctxt.getWebappVersion(), "UTF-8"));
            }
            String pathVersion = tmp.toString();
            try {
                isDeployed = isDeployed(contextName);
            } catch (Exception e) {
                // Assume false on failure for safety
                isDeployed = false;
            }
            args = new Object[7];
            args[0] = "<a href=\"" + URL_ENCODER.encode(contextPath + "/", "UTF-8") + "\">" + RequestUtil.filter(displayPath) + "</a>";
            if ("".equals(ctxt.getWebappVersion())) {
                args[1] = noVersion;
            } else {
                args[1] = RequestUtil.filter(ctxt.getWebappVersion());
            }
            if (ctxt.getDisplayName() == null) {
                args[2] = "&nbsp;";
            } else {
                args[2] = RequestUtil.filter(ctxt.getDisplayName());
            }
            args[3] = Boolean.valueOf(ctxt.getState().isAvailable());
            args[4] = RequestUtil.filter(response.encodeURL(request.getContextPath() + "/html/sessions?" + pathVersion));
            Manager manager = ctxt.getManager();
            if (manager instanceof DistributedManager && showProxySessions) {
                args[5] = Integer.valueOf(((DistributedManager) manager).getActiveSessionsFull());
            } else if (manager != null) {
                args[5] = Integer.valueOf(manager.getActiveSessions());
            } else {
                args[5] = Integer.valueOf(0);
            }
            args[6] = highlightColor;
            writer.print(MessageFormat.format(APPS_ROW_DETAILS_SECTION, args));
            args = new Object[14];
            args[0] = RequestUtil.filter(response.encodeURL(request.getContextPath() + "/html/start?" + pathVersion));
            args[1] = appsStart;
            args[2] = RequestUtil.filter(response.encodeURL(request.getContextPath() + "/html/stop?" + pathVersion));
            args[3] = appsStop;
            args[4] = RequestUtil.filter(response.encodeURL(request.getContextPath() + "/html/reload?" + pathVersion));
            args[5] = appsReload;
            args[6] = RequestUtil.filter(response.encodeURL(request.getContextPath() + "/html/undeploy?" + pathVersion));
            args[7] = appsUndeploy;
            args[8] = RequestUtil.filter(response.encodeURL(request.getContextPath() + "/html/expire?" + pathVersion));
            args[9] = appsExpire;
            args[10] = smClient.getString("htmlManagerServlet.expire.explain");
            if (manager == null) {
                args[11] = smClient.getString("htmlManagerServlet.noManager");
            } else {
                args[11] = Integer.valueOf(ctxt.getSessionTimeout());
            }
            args[12] = smClient.getString("htmlManagerServlet.expire.unit");
            args[13] = highlightColor;
            if (ctxt.getName().equals(this.context.getName())) {
                writer.print(MessageFormat.format(MANAGER_APP_ROW_BUTTON_SECTION, args));
            } else if (ctxt.getState().isAvailable() && isDeployed) {
                writer.print(MessageFormat.format(STARTED_DEPLOYED_APPS_ROW_BUTTON_SECTION, args));
            } else if (ctxt.getState().isAvailable() && !isDeployed) {
                writer.print(MessageFormat.format(STARTED_NONDEPLOYED_APPS_ROW_BUTTON_SECTION, args));
            } else if (!ctxt.getState().isAvailable() && isDeployed) {
                writer.print(MessageFormat.format(STOPPED_DEPLOYED_APPS_ROW_BUTTON_SECTION, args));
            } else {
                writer.print(MessageFormat.format(STOPPED_NONDEPLOYED_APPS_ROW_BUTTON_SECTION, args));
            }
        }
    }
    // Deploy Section
    args = new Object[7];
    args[0] = smClient.getString("htmlManagerServlet.deployTitle");
    args[1] = smClient.getString("htmlManagerServlet.deployServer");
    args[2] = response.encodeURL(request.getContextPath() + "/html/deploy");
    args[3] = smClient.getString("htmlManagerServlet.deployPath");
    args[4] = smClient.getString("htmlManagerServlet.deployConfig");
    args[5] = smClient.getString("htmlManagerServlet.deployWar");
    args[6] = smClient.getString("htmlManagerServlet.deployButton");
    writer.print(MessageFormat.format(DEPLOY_SECTION, args));
    args = new Object[4];
    args[0] = smClient.getString("htmlManagerServlet.deployUpload");
    args[1] = response.encodeURL(request.getContextPath() + "/html/upload");
    args[2] = smClient.getString("htmlManagerServlet.deployUploadFile");
    args[3] = smClient.getString("htmlManagerServlet.deployButton");
    writer.print(MessageFormat.format(UPLOAD_SECTION, args));
    // Diagnostics section
    args = new Object[9];
    args[0] = smClient.getString("htmlManagerServlet.diagnosticsTitle");
    args[1] = smClient.getString("htmlManagerServlet.diagnosticsLeak");
    args[2] = response.encodeURL(request.getContextPath() + "/html/findleaks");
    args[3] = smClient.getString("htmlManagerServlet.diagnosticsLeakWarning");
    args[4] = smClient.getString("htmlManagerServlet.diagnosticsLeakButton");
    args[5] = smClient.getString("htmlManagerServlet.diagnosticsSsl");
    args[6] = response.encodeURL(request.getContextPath() + "/html/sslConnectorCiphers");
    args[7] = smClient.getString("htmlManagerServlet.diagnosticsSslConnectorCipherButton");
    args[8] = smClient.getString("htmlManagerServlet.diagnosticsSslConnectorCipherText");
    writer.print(MessageFormat.format(DIAGNOSTICS_SECTION, args));
    // Server Header Section
    args = new Object[9];
    args[0] = smClient.getString("htmlManagerServlet.serverTitle");
    args[1] = smClient.getString("htmlManagerServlet.serverVersion");
    args[2] = smClient.getString("htmlManagerServlet.serverJVMVersion");
    args[3] = smClient.getString("htmlManagerServlet.serverJVMVendor");
    args[4] = smClient.getString("htmlManagerServlet.serverOSName");
    args[5] = smClient.getString("htmlManagerServlet.serverOSVersion");
    args[6] = smClient.getString("htmlManagerServlet.serverOSArch");
    args[7] = smClient.getString("htmlManagerServlet.serverHostname");
    args[8] = smClient.getString("htmlManagerServlet.serverIPAddress");
    writer.print(MessageFormat.format(Constants.SERVER_HEADER_SECTION, args));
    // Server Row Section
    args = new Object[8];
    args[0] = ServerInfo.getServerInfo();
    args[1] = System.getProperty("java.runtime.version");
    args[2] = System.getProperty("java.vm.vendor");
    args[3] = System.getProperty("os.name");
    args[4] = System.getProperty("os.version");
    args[5] = System.getProperty("os.arch");
    try {
        InetAddress address = InetAddress.getLocalHost();
        args[6] = address.getHostName();
        args[7] = address.getHostAddress();
    } catch (UnknownHostException e) {
        args[6] = "-";
        args[7] = "-";
    }
    writer.print(MessageFormat.format(Constants.SERVER_ROW_SECTION, args));
    // HTML Tail Section
    writer.print(Constants.HTML_TAIL_SECTION);
    // Finish up the response
    writer.flush();
    writer.close();
}

Example 3 with DistributedManager

use of org.apache.catalina.DistributedManager in project tomcat by apache.

the class HTMLManagerServlet method getSessionsForName.

protected List<Session> getSessionsForName(ContextName cn, StringManager smClient) {
    if ((cn == null) || !(cn.getPath().startsWith("/") || cn.getPath().equals(""))) {
        String path = null;
        if (cn != null) {
            path = cn.getPath();
        }
        throw new IllegalArgumentException(smClient.getString("managerServlet.invalidPath", RequestUtil.filter(path)));
    }
    Context ctxt = (Context) host.findChild(cn.getName());
    if (null == ctxt) {
        throw new IllegalArgumentException(smClient.getString("managerServlet.noContext", RequestUtil.filter(cn.getDisplayName())));
    }
    Manager manager = ctxt.getManager();
    List<Session> sessions = new ArrayList<>();
    sessions.addAll(Arrays.asList(manager.findSessions()));
    if (manager instanceof DistributedManager && showProxySessions) {
        // Add dummy proxy sessions
        Set<String> sessionIds = ((DistributedManager) manager).getSessionIdsFull();
        // Remove active (primary and backup) session IDs from full list
        for (Session session : sessions) {
            sessionIds.remove(session.getId());
        }
        // Left with just proxy sessions - add them
        for (String sessionId : sessionIds) {
            sessions.add(new DummyProxySession(sessionId));
        }
    }
    return sessions;
}