proxool默认提供了org.logicalcobwebs.proxool.admin.servlet.AdminServlet类，为用户提供页面查看连接池情况，包括连接池的配置信息、连接池连接的使用情况等。唯一缺陷是没有访问控制，人人都可访问（或许有，而我不知道）。本例重写AdminServlet类增加登录控制，并且增加Servlet3.0的@WebServlet注解。为简单起见，登录所用的用户名/密码直接写入AdminServlet类中。
为方便AppMain类启动时扫描到，将该类放在AppMain类所在的com.zweixhxu.springboot包的子包proxool里
AdminServlet.java
package com.zweixhxu.springboot.proxool;
import org.logicalcobwebs.proxool.*;
import org.logicalcobwebs.proxool.admin.SnapshotIF;
import org.logicalcobwebs.proxool.admin.StatisticsIF;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.annotation.WebServlet;
import javax.servlet.annotation.WebInitParam;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.DateFormat;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Iterator;
import java.util.Properties;
@WebServlet(urlPatterns="/proxoolPool", initParams={
@WebInitParam(name= AdminServlet.PARAM_USER_NAME, value="proxool"),
@WebInitParam(name= AdminServlet.PARAM_LOGIN_PASS, value= "proxool@123"),
})
public class AdminServlet extends HttpServlet {
protected static final Logger LOG = LoggerFactory.getLogger(AdminServlet.class);
private static final String[] STATUS_CLASSES = {"null", "available", "active", "offline"};
public static final String OUTPUT_FULL = "full";
public static final String OUTPUT_SIMPLE = "simple";
private String output;
private String cssFile;
private static final String STATISTIC = "statistic";
private static final String CORE_PROPERTY = "core-property";
private static final String STANDARD_PROPERTY = "standard-property";
private static final String DELEGATED_PROPERTY = "delegated-property";
protected static final String PARAM_REQ_ID = "requestId";
protected static final String PARAM_OP_TYPE = "opType";
public static final String PARAM_USER_NAME = "userName";
public static final String PARAM_LOGIN_PASS = "loginPass";
protected static final String OP_TYPE_LOGIN = "login";
private static final String SNAPSHOT = "snapshot";
private static String loginName = "proxool";
private static String loginPass = "proxool@123456";
public void init(ServletConfig servletConfig) throws ServletException {
super.init(servletConfig);
// Get output parameter. Default to OUTPUT_FULL.
output = servletConfig.getInitParameter("output");
if (output != null) {
if (output.equalsIgnoreCase(OUTPUT_FULL)) {
output = OUTPUT_FULL;
} else if (output.equalsIgnoreCase(OUTPUT_SIMPLE)) {
output = OUTPUT_SIMPLE;
} else {
LOG.warn("Unrecognised output parameter for {}. Expected: {} or {}", this.getClass().getName(), OUTPUT_FULL, OUTPUT_SIMPLE);
output = null;
}
}
if (output == null) {
output = OUTPUT_FULL;
}
loginName = servletConfig.getInitParameter(PARAM_USER_NAME);
loginPass = servletConfig.getInitParameter(PARAM_LOGIN_PASS);
cssFile = servletConfig.getInitParameter("cssFile");
}
private static final DateFormat TIME_FORMAT = new SimpleDateFormat("HH:mm:ss");
private static final DateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
private static final DateFormat DATE_FORMAT_M = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss SSS");
private static final DecimalFormat DECIMAL_FORMAT = new DecimalFormat("0.00");
private static final String DETAIL = "detail";
private static final String DETAIL_MORE = "more";
private static final String DETAIL_LESS = "less";
/**
* The request parameter name that defines:
* <ol>
* <li>{@link #TAB_DEFINITION} (default)</li>
* <li>{@link #TAB_SNAPSHOT}</li>
* <li>{@link #TAB_STATISTICS}</li>
* </ol>
*/
private static final String TAB = "tab";
/**
* @see #TAB
*/
private static final String TAB_DEFINITION = "definition";
/**
* @see #TAB
*/
private static final String TAB_SNAPSHOT = "snapshot";
/**
* @see #TAB
*/
private static final String TAB_STATISTICS = "statistics";
/**
* The request parameter name that defines the pool
*/
private static final String ALIAS = "alias";
/**
* If we are drilling down into a connection (on the {@link #TAB_SNAPSHOT snapshot} tab then
* this points to the {@link org.logicalcobwebs.proxool.ProxyConnection#getId() ID} we are
* getting detailed information for.
*/
private static final String CONNECTION_ID = "id";
protected static final String LOGIN_SESSION_KEY = "dbPoolLoginUser";
protected boolean checkNotLogin(HttpServletRequest request, HttpServletResponse response, String requestId){
return request.getSession().getAttribute(LOGIN_SESSION_KEY)==null;
}
protected boolean doLogin(HttpServletRequest request, HttpServletResponse response){
String userName = request.getParameter(PARAM_USER_NAME);
String pwd = request.getParameter(PARAM_LOGIN_PASS);
if (!loginName.equals(userName) || !loginPass.equals(pwd)){
LOG.error("用户{}登录失败，用户名或密码失败", userName);
return false;
}
doLoginSuccess(request, response, userName+"="+pwd);
return true;
}
protected void doLoginSuccess(HttpServletRequest request, HttpServletResponse response, Object result){
request.getSession().setAttribute(LOGIN_SESSION_KEY, result);
}
protected void doLogout(HttpServletRequest request, HttpServletResponse response){
request.getSession().removeAttribute(LOGIN_SESSION_KEY);
}
/**
* Delegate to {@link #doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)}
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
}
/**
* Show the details for a pool.
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setHeader("Pragma", "no-cache");
PrintWriter out = response.getWriter();
String link = request.getRequestURI();
String opType = request.getParameter(PARAM_OP_TYPE);
String requestId = request.getParameter(PARAM_REQ_ID);
LOG.debug("ProxoolAdmin>opType={}, \"{}\".equals(opType) => {}", opType, OP_TYPE_LOGIN, OP_TYPE_LOGIN.equals(opType));
if (OP_TYPE_LOGIN.equals(opType)){
try{
if (doLogin(request, response)){
requestId = request.getSession().getId();
}else{
failedAndDispalyLoginPage("用户名或密码错误，登录失败", response, out, link);
return;
}
}catch(Exception e){
failedAndDispalyLoginPage("系统异常：" + e.toString(), response, out, link);
return;
}
}
if ("logout".equals(opType)){
doLogout(request, response);
}
if (requestId==null || checkNotLogin(request, response, requestId)){
failedAndDispalyLoginPage("", response, out, link);
return;
}
// Check the alias and if not defined and there is only one
// then use that.
String alias = request.getParameter(ALIAS);
// Check we can find the pool.
ConnectionPoolDefinitionIF def = null;
if (alias != null) {
try {
def = ProxoolFacade.getConnectionPoolDefinition(alias);
} catch (ProxoolException e) {
alias = null;
}
}
String[] aliases = ProxoolFacade.getAliases();
if (alias == null) {
if (aliases.length > 0) {
alias = aliases[0];
}
}
if (def == null && alias != null) {
try {
def = ProxoolFacade.getConnectionPoolDefinition(alias);
} catch (ProxoolException e) {
throw new ServletException("Couldn't find pool with alias " + alias);
}
}
String tab = request.getParameter(TAB);
if (tab == null) {
tab = TAB_DEFINITION;
}
// If we are showing the snapshot, are we showing it in detail or not?
String snapshotDetail = request.getParameter(DETAIL);
// If we are showing the snapshot, are we drilling down into a connection?
String snapshotConnectionId = request.getParameter(CONNECTION_ID);
try {
if (output.equals(OUTPUT_FULL)) {
response.setContentType("text/html");
openHtml(out);
}
out.println("<div class=\"version\">Proxool " + Version.getVersion() + " <a href=\""+link+"?opType=logout&"+PARAM_REQ_ID+"="+requestId+"\">退出登录</a>");
out.println("</div>");
doList(out, alias, tab, link);
// Skip everything if there aren't any pools
if (aliases != null && aliases.length > 0) {
StatisticsIF[] statisticsArray = ProxoolFacade.getStatistics(alias);
final boolean statisticsAvailable = (statisticsArray != null && statisticsArray.length > 0);
final boolean statisticsComingSoon = def.getStatistics() != null;
// We can't be on the statistics tab if there are no statistics
if (!statisticsComingSoon && tab.equals(TAB_STATISTICS)) {
tab = TAB_DEFINITION;
}
doTabs(out, alias, link, requestId, tab, statisticsAvailable, statisticsComingSoon);
if (tab.equals(TAB_DEFINITION)) {
doDefinition(out, def);
} else if (tab.equals(TAB_SNAPSHOT)) {
doSnapshot(out, def, link, snapshotDetail, snapshotConnectionId, requestId);
} else if (tab.equals(TAB_STATISTICS)) {
doStatistics(out, statisticsArray, def);
} else {
throw new ServletException("Unrecognised tab '" + tab + "'");
}
}
} catch (ProxoolException e) {
throw new ServletException("Problem serving Proxool Admin", e);
}
if (output.equals(OUTPUT_FULL)) {
closeHtml(out);
}
}
private void failedAndDispalyLoginPage(String failMsg, HttpServletResponse response, PrintWriter out, String link) throws IOException{
response.setContentType("text/html");
openHtml(out);
displayLoginForm(out, link);
out.println("<div style='color:red;'>" + failMsg +"</div>");
closeHtml(out);
}
private void doTabs(PrintWriter out, String alias, String link, String requestId, String tab, boolean statisticsAvailable, boolean statisticsComingSoon) throws IOException {
out.println("<ul>");
out.println("<li class=\"" + (tab.equals(TAB_DEFINITION) ? "active" : "inactive") + "\"><a class=\"quiet\" href=\"" + link + "?alias=" + alias + "&"+PARAM_REQ_ID+"=" + requestId + "&tab=" + TAB_DEFINITION + "\">Definition</a></li>");
out.println("<li class=\"" + (tab.equals(TAB_SNAPSHOT) ? "active" : "inactive") + "\"><a class=\"quiet\" href=\"" + link + "?alias=" + alias + "&"+PARAM_REQ_ID+"=" + requestId + "&tab=" + TAB_SNAPSHOT + "\">Snapshot</a></li>");
if (statisticsAvailable) {
out.println("<li class=\"" + (tab.equals(TAB_STATISTICS) ? "active" : "inactive") + "\"><a class=\"quiet\" href=\"" + link + "?alias=" + alias + "&"+PARAM_REQ_ID+"=" + requestId + "&tab=" + TAB_STATISTICS + "\">Statistics</a></li>");
} else if (statisticsComingSoon) {
out.println("<li class=\"disabled\">Statistics</li>");
}
out.println("</ul>");
}
private void doStatistics(PrintWriter out, StatisticsIF[] statisticsArray, ConnectionPoolDefinitionIF cpd) throws IOException {
for (int i = 0; i < statisticsArray.length; i++) {
StatisticsIF statistics = statisticsArray[i];
openDataTable(out);
printDefinitionEntry(out, ProxoolConstants.ALIAS, cpd.getAlias(), CORE_PROPERTY);
// Period
printDefinitionEntry(out, "Period", TIME_FORMAT.format(statistics.getStartDate()) + " to " + TIME_FORMAT.format(statistics.getStopDate()), STATISTIC);
// Served
printDefinitionEntry(out, "Served", statistics.getServedCount() + " (" + DECIMAL_FORMAT.format(statistics.getServedPerSecond()) + "/s)", STATISTIC);
// Refused
printDefinitionEntry(out, "Refused", statistics.getRefusedCount() + " (" + DECIMAL_FORMAT.format(statistics.getRefusedPerSecond()) + "/s)", STATISTIC);
// averageActiveTime
printDefinitionEntry(out, "Average active time", DECIMAL_FORMAT.format(statistics.getAverageActiveTime() / 1000) + "s", STATISTIC);
// activityLevel
StringBuffer activityLevelBuffer = new StringBuffer();
int activityLevel = (int) (100 * statistics.getAverageActiveCount() / cpd.getMaximumConnectionCount());
activityLevelBuffer.append(activityLevel);
activityLevelBuffer.append("%<br/>");
String[] colours = {"0000ff", "eeeeee"};
int[] lengths = {activityLevel, 100 - activityLevel};
drawBarChart(activityLevelBuffer, colours, lengths);
printDefinitionEntry(out, "Activity level", activityLevelBuffer.toString(), STATISTIC);
closeTable(out);
}
}
private void drawBarChart(StringBuffer out, String[] colours, int[] lengths) {
out.append("<table style=\"margin: 8px; font-size: 50%;\" width=\"96%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\"><tr>");
// Calculate total length
int totalLength = 0;
for (int i = 0; i < colours.length; i++) {
totalLength += lengths[i];
}
// Draw segments
for (int j = 0; j < colours.length; j++) {
String colour = colours[j];
int length = lengths[j];
if (length > 0) {
out.append("<td style=\"background-color: #");
out.append(colour);
out.append("\" width=\"");
out.append(100 * length / totalLength);
out.append("%\"> </td>");
}
}
out.append("</tr></table>");
}
private void doDefinition(PrintWriter out, ConnectionPoolDefinitionIF cpd) throws IOException {
openDataTable(out);
printDefinitionEntry(out, ProxoolConstants.ALIAS, cpd.getAlias(), CORE_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.DRIVER_URL, cpd.getUrl(), CORE_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.DRIVER_CLASS, cpd.getDriver(), CORE_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.MINIMUM_CONNECTION_COUNT, String.valueOf(cpd.getMinimumConnectionCount()), STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.MAXIMUM_CONNECTION_COUNT, String.valueOf(cpd.getMaximumConnectionCount()), STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.PROTOTYPE_COUNT, cpd.getPrototypeCount() > 0 ? String.valueOf(cpd.getPrototypeCount()) : null, STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.SIMULTANEOUS_BUILD_THROTTLE, String.valueOf(cpd.getSimultaneousBuildThrottle()), STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.MAXIMUM_CONNECTION_LIFETIME, formatMilliseconds(cpd.getMaximumConnectionLifetime()), STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.MAXIMUM_ACTIVE_TIME, formatMilliseconds(cpd.getMaximumActiveTime()), STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.HOUSE_KEEPING_SLEEP_TIME, (cpd.getHouseKeepingSleepTime() / 1000) + "s", STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.HOUSE_KEEPING_TEST_SQL, cpd.getHouseKeepingTestSql(), STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.TEST_BEFORE_USE, String.valueOf(cpd.isTestBeforeUse()), STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.TEST_AFTER_USE, String.valueOf(cpd.isTestAfterUse()), STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.RECENTLY_STARTED_THRESHOLD, formatMilliseconds(cpd.getRecentlyStartedThreshold()), STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.OVERLOAD_WITHOUT_REFUSAL_LIFETIME, formatMilliseconds(cpd.getOverloadWithoutRefusalLifetime()), STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.INJECTABLE_CONNECTION_INTERFACE_NAME, String.valueOf(cpd.getInjectableConnectionInterface()), STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.INJECTABLE_STATEMENT_INTERFACE_NAME, String.valueOf(cpd.getInjectableStatementInterface()), STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.INJECTABLE_CALLABLE_STATEMENT_INTERFACE_NAME, String.valueOf(cpd.getInjectableCallableStatementInterface()), STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.INJECTABLE_PREPARED_STATEMENT_INTERFACE_NAME, String.valueOf(cpd.getInjectablePreparedStatementInterface()), STANDARD_PROPERTY);
// fatalSqlExceptions
String fatalSqlExceptions = null;
if (cpd.getFatalSqlExceptions() != null && cpd.getFatalSqlExceptions().size() > 0) {
StringBuffer fatalSqlExceptionsBuffer = new StringBuffer();
Iterator i = cpd.getFatalSqlExceptions().iterator();
while (i.hasNext()) {
String s = (String) i.next();
fatalSqlExceptionsBuffer.append(s);
fatalSqlExceptionsBuffer.append(i.hasNext() ? ", " : "");
}
fatalSqlExceptions = fatalSqlExceptionsBuffer.toString();
}
printDefinitionEntry(out, ProxoolConstants.FATAL_SQL_EXCEPTION, fatalSqlExceptions, STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.FATAL_SQL_EXCEPTION_WRAPPER_CLASS, cpd.getFatalSqlExceptionWrapper(), STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.STATISTICS, cpd.getStatistics(), STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.STATISTICS_LOG_LEVEL, cpd.getStatisticsLogLevel(), STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.VERBOSE, String.valueOf(cpd.isVerbose()), STANDARD_PROPERTY);
printDefinitionEntry(out, ProxoolConstants.TRACE, String.valueOf(cpd.isTrace()), STANDARD_PROPERTY);
// Now all the properties that are forwarded to the delegate driver.
Properties p = cpd.getDelegateProperties();
Iterator i = p.keySet().iterator();
while (i.hasNext()) {
String name = (String) i.next();
String value = p.getProperty(name);
// Better hide the password!
if (name.toLowerCase().indexOf("password") > -1 || name.toLowerCase().indexOf("passwd") > -1) {
value = "******";
}
printDefinitionEntry(out, name + " (delegated)", value, DELEGATED_PROPERTY);
}
closeTable(out);
}
private void doSnapshot(PrintWriter out, ConnectionPoolDefinitionIF cpd, String link, String level, String connectionId, String requestId) throws IOException, ProxoolException {
boolean detail = (level != null && level.equals(DETAIL_MORE));
SnapshotIF snapshot = ProxoolFacade.getSnapshot(cpd.getAlias(), detail);
if (snapshot != null) {
openDataTable(out);
printDefinitionEntry(out, ProxoolConstants.ALIAS, cpd.getAlias(), CORE_PROPERTY);
// dateStarted
printDefinitionEntry(out, "Start date", DATE_FORMAT.format(snapshot.getDateStarted()), SNAPSHOT);
// snapshot date
printDefinitionEntry(out, "Snapshot", DATE_FORMAT.format(snapshot.getSnapshotDate()), SNAPSHOT);
// connections
StringBuffer connectionsBuffer = new StringBuffer();
connectionsBuffer.append(snapshot.getActiveConnectionCount());
connectionsBuffer.append(" (active), ");
connectionsBuffer.append(snapshot.getAvailableConnectionCount());
connectionsBuffer.append(" (available), ");
if (snapshot.getOfflineConnectionCount() > 0) {
connectionsBuffer.append(snapshot.getOfflineConnectionCount());
connectionsBuffer.append(" (offline), ");
}
connectionsBuffer.append(snapshot.getMaximumConnectionCount());
connectionsBuffer.append(" (max)<br/>");
String[] colours = {"ff9999", "66cc66", "cccccc"};
int[] lengths = {snapshot.getActiveConnectionCount(), snapshot.getAvailableConnectionCount(),
snapshot.getMaximumConnectionCount() - snapshot.getActiveConnectionCount() - snapshot.getAvailableConnectionCount()};
drawBarChart(connectionsBuffer, colours, lengths);
printDefinitionEntry(out, "Connections", connectionsBuffer.toString(), SNAPSHOT);
// servedCount
printDefinitionEntry(out, "Served", String.valueOf(snapshot.getServedCount()), SNAPSHOT);
// refusedCount
printDefinitionEntry(out, "Refused", String.valueOf(snapshot.getRefusedCount()), SNAPSHOT);
if (!detail) {
out.println(" <tr>");
out.print(" <td colspan=\"2\" align=\"right\"><form action=\"" + link + "\" method=\"GET\">");
out.print("<input type=\"hidden\" name=\"" + ALIAS + "\" value=\"" + cpd.getAlias() + "\">");
out.print("<input type=\"hidden\" name=\"" + TAB + "\" value=\"" + TAB_SNAPSHOT + "\">");
out.print("<input type=\"hidden\" name=\"" + DETAIL + "\" value=\"" + DETAIL_MORE + "\">");
out.print("<input type=\"hidden\" name=\"" + PARAM_REQ_ID + "\" value=\"" + (requestId==null?"":requestId) + "\">");
out.print("<input type=\"submit\" value=\"More information>\">");
out.println("</form></td>");
out.println(" </tr>");
} else {
out.println(" <tr>");
out.print(" <th valign=\"top\">");
out.print("Details:<br>(click ID to drill down)");
out.println("</th>");
out.print(" <td>");
doSnapshotDetails(out, cpd, snapshot, link, connectionId, requestId);
out.println("</td>");
out.println(" </tr>");
long drillDownConnectionId;
if (connectionId != null) {
drillDownConnectionId = Long.valueOf(connectionId).longValue();
ConnectionInfoIF drillDownConnection = snapshot.getConnectionInfo(drillDownConnectionId);
if (drillDownConnection != null) {
out.println(" <tr>");
out.print(" <th valign=\"top\">");
out.print("Connection #" + connectionId);
out.println("</td>");
out.print(" <td>");
doDrillDownConnection(out, drillDownConnection);
out.println("</td>");
out.println(" </tr>");
}
}
out.println(" <tr>");
out.print(" <td colspan=\"2\" align=\"right\"><form action=\"" + link + "\" method=\"GET\">");
out.print("<input type=\"hidden\" name=\"" + ALIAS + "\" value=\"" + cpd.getAlias() + "\">");
out.print("<input type=\"hidden\" name=\"" + TAB + "\" value=\"" + TAB_SNAPSHOT + "\">");
out.print("<input type=\"hidden\" name=\"" + DETAIL + "\" value=\"" + DETAIL_LESS + "\">");
out.print("<input type=\"submit\" value=\"< Less information\">");
out.println("</form></td>");
out.println(" </tr>");
}
closeTable(out);
}
}
private void doSnapshotDetails(PrintWriter out, ConnectionPoolDefinitionIF cpd, SnapshotIF snapshot, String link, String connectionId, String requestId) throws IOException {
long drillDownConnectionId = 0;
if (connectionId != null) {
drillDownConnectionId = Long.valueOf(connectionId).longValue();
}
if (snapshot.getConnectionInfos() != null && snapshot.getConnectionInfos().length > 0) {
out.println("<table cellpadding=\"2\" cellspacing=\"0\" border=\"0\">");
out.println(" <tbody>");
out.print("<tr>");
out.print("<td>#</td>");
out.print("<td align=\"center\">born</td>");
out.print("<td align=\"center\">last start</td>");
out.print("<td align=\"center\">last stop</td>");
out.print("<td align=\"center\">lap (ms)</td>");
out.print("<td> thread</td>");
out.print("</tr>");
ConnectionInfoIF[] connectionInfos = snapshot.getConnectionInfos();
for (int i = 0; i < connectionInfos.length; i++) {
ConnectionInfoIF connectionInfo = connectionInfos[i];
if (connectionInfo.getStatus() != ConnectionInfoIF.STATUS_NULL) {
out.print("<tr>");
// drillDownConnectionId
out.print("<td style=\"background-color: #");
if (connectionInfo.getStatus() == ConnectionInfoIF.STATUS_ACTIVE) {
out.print("ffcccc");
} else if (connectionInfo.getStatus() == ConnectionInfoIF.STATUS_AVAILABLE) {
out.print("ccffcc");
} else if (connectionInfo.getStatus() == ConnectionInfoIF.STATUS_OFFLINE) {
out.print("ccccff");
}
out.print("\" style=\"");
if (drillDownConnectionId == connectionInfo.getId()) {
out.print("border: 1px solid black;");
out.print("\">");
out.print(connectionInfo.getId());
} else {
out.print("border: 1px solid transparent;");
out.print("\"><a href=\"");
out.print(link);
out.print("?");
out.print(ALIAS);
out.print("=");
out.print(cpd.getAlias());
out.print("&");
out.print(TAB);
out.print("=");
out.print(TAB_SNAPSHOT);
out.print("&");
out.print(DETAIL);
out.print("=");
out.print(DETAIL_MORE);
out.print("&");
out.print(CONNECTION_ID);
out.print("=");
out.print(connectionInfo.getId());
out.print("&");
out.print(PARAM_REQ_ID);
out.print("=");
out.print(requestId==null?"":requestId);
out.print("\">");
out.print(connectionInfo.getId());
out.print("</a>");
}
out.print("</td>");
// birth
out.print("<td> ");
out.print(DATE_FORMAT.format(connectionInfo.getBirthDate()));
out.print(" </td>");
// started
out.print("<td> ");
out.print(connectionInfo.getTimeLastStartActive() > 0 ? DATE_FORMAT_M.format(new Date(connectionInfo.getTimeLastStartActive())) : "-");
out.print(" </td>");
// stop
out.print("<td> ");
out.print(connectionInfo.getTimeLastStopActive() > 0 ? DATE_FORMAT_M.format(new Date(connectionInfo.getTimeLastStopActive())) : "-");
out.print(" </td>");
// active
out.print("<td align=\"right\" class=\"");
out.print(getStatusClass(connectionInfo));
out.print("\"> ");
String active = " ";
if (connectionInfo.getTimeLastStopActive() > 0) {
active = String.valueOf((int) (connectionInfo.getTimeLastStopActive() - connectionInfo.getTimeLastStartActive()));
} else if (connectionInfo.getTimeLastStartActive() > 0) {
active = String.valueOf((int) (snapshot.getSnapshotDate().getTime() - connectionInfo.getTimeLastStartActive()));
}
out.print(active);
out.print(" </td>");
// requester
out.print("<td> ");
out.print(connectionInfo.getRequester() != null ? connectionInfo.getRequester() : "-");
out.print(" </td>");
out.println("</tr>");
}
}
out.println(" </tbody>");
out.println("</table>");
} else {
out.println("No connections yet");
}
}
private static String getStatusClass(ConnectionInfoIF info) {
try {
return STATUS_CLASSES[info.getStatus()];
} catch (ArrayIndexOutOfBoundsException e) {
LOG.warn("Unknown status: {}", info.getStatus());
return "unknown-" + info.getStatus();
}
}
private void doDrillDownConnection(PrintWriter out, ConnectionInfoIF drillDownConnection) throws IOException {
// sql calls
String[] sqlCalls = drillDownConnection.getSqlCalls();
for (int i = 0; sqlCalls != null && i < sqlCalls.length; i++) {
String sqlCall = sqlCalls[i];
out.print("<div class=\"drill-down\">");
out.print("sql = ");
out.print(sqlCall);
out.print("</div>");
}
// proxy
out.print("<div class=\"drill-down\">");
out.print("proxy = ");
out.print(drillDownConnection.getProxyHashcode());
out.print("</div>");
// delegate
out.print("<div class=\"drill-down\">");
out.print("delegate = ");
out.print(drillDownConnection.getDelegateHashcode());
out.print("</div>");
// url
out.print("<div class=\"drill-down\">");
out.print("url = ");
out.print(drillDownConnection.getDelegateUrl());
out.print("</div>");
}
private void openHtml(PrintWriter out) throws IOException {
out.println("<html><header><title>Proxool Admin</title>");
out.println("<style media=\"screen\">");
out.println("body {background-color: #93bde6;}\n" +
"div.version {font-weight: bold; font-size: 100%; margin-bottom: 8px;}\n" +
"h1 {font-weight: bold; font-size: 100%}\n" +
"option {padding: 2px 24px 2px 4px;}\n" +
"input {margin: 0px 0px 4px 12px;}\n" +
"table.data {font-size: 90%; border-collapse: collapse; border: 1px solid black;}\n" +
"table.data th {background: #bddeff;text-align: left; padding-right: 8px; font-weight: normal; border: 1px solid black;}\n" +
"table.data td {background: #ffffff; vertical-align: top; padding: 0px 2px 0px 2px; border: 1px solid black;}\n" +
"td.null {background: yellow;}\n" +
"td.available {color: black;}\n" +
"td.active {color: red;}\n" +
"td.offline {color: blue;}\n" +
"div.drill-down {}\n" +
"ul {list-style: none; padding: 0px; margin: 0px; position: relative; font-size: 90%;}\n" +
"li {padding: 0px; margin: 0px 4px 0px 0px; display: inline; border: 1px solid black; border-width: 1px 1px 0px 1px;}\n" +
"li.active {background: #bddeff;}\n" +
"li.inactive {background: #eeeeee;}\n" +
"li.disabled {background: #dddddd; color: #999999; padding: 0px 4px 0px 4px;}\n" +
"a.quiet {color: black; text-decoration: none; padding: 0px 4px 0px 4px; }\n" +
"a.quiet:hover {background: white;}\n");
out.println("</style>");
if (cssFile != null) {
out.println("<link rel=\"stylesheet\" media=\"screen\" type=\"text/css\" href=\"" + cssFile + "\"></script>");
}
out.println("</header><body>");
}
private void closeHtml(PrintWriter out) throws IOException {
out.println("</body></html>");
}
private void openDataTable(PrintWriter out) throws IOException {
out.println("<table cellpadding=\"2\" cellspacing=\"0\" border=\"1\" class=\"data\">");
out.println(" <tbody>");
}
private void closeTable(PrintWriter out) throws IOException {
out.println(" </tbody>");
out.println("</table>");
out.println("<br/>");
}
private void printDefinitionEntry(PrintWriter out, String name, String value, String type) throws IOException {
out.println(" <tr>");
out.print(" <th valign=\"top\">");
out.print(name);
out.println(":</th>");
out.print(" <td class=\"" + type + "\"nowrap>");
if (value != null && !value.equals("null")) {
out.print(value);
} else {
out.print("-");
}
out.print("</td>");
out.println(" </tr>");
}
private void doList(PrintWriter out, String alias, String tab, String link) throws IOException {
String[] aliases = ProxoolFacade.getAliases();
if (aliases.length == 0) {
out.println("<p>No pools have been registered.</p>");
} else if (aliases.length == 1) {
// Don't bother listing. Just show it.
} else {
out.println("<form action=\"" + link + "\" method=\"GET\" name=\"alias\">");
out.println("<select name=\"alias\" size=\"" + Math.min(aliases.length, 5) + "\">");
for (int i = 0; i < aliases.length; i++) {
out.print(" <option value=\"");
out.print(aliases[i]);
out.print("\"");
out.print(aliases[i].equals(alias) ? " selected" : "");
out.print(">");
out.print(aliases[i]);
out.println("</option>");
}
out.println("</select>");
out.println("<input name=\"" + TAB + "\" value=\"" + tab + "\" type=\"hidden\">");
out.println("<input value=\"Show\" type=\"submit\">");
out.println("</form>");
}
}
/**
* Express time in an easy to read HH:mm:ss format
*
* @param time in milliseconds
* @return time (e.g. 180000 = 00:30:00)
* @see #TIME_FORMAT
*/
private String formatMilliseconds(long time) {
if (time > Integer.MAX_VALUE) {
return time + "ms";
} else {
Calendar c = Calendar.getInstance();
c.clear();
c.add(Calendar.MILLISECOND, (int) time);
return TIME_FORMAT.format(c.getTime());
}
}
private void displayLoginForm(PrintWriter out, String link){
out.println("<form action=\"" + link + "\" method=\"POST\" name=\"loginForm\" onsubmit=\"return formSubmit();\">");
out.println(" <table border=\"0\" cellpadding=\"0\" cellspacing=\"0\">");
out.println(" <tr><td>用户名：</td>");
out.println(" <td><input id=\""+PARAM_USER_NAME+"\" name=\""+PARAM_USER_NAME+"\" type=\"text\"></td>");
out.println(" </tr>");
out.println(" <tr><td>密码：</td>");
out.println(" <td><input id=\""+PARAM_LOGIN_PASS+"\" name=\""+PARAM_LOGIN_PASS+"\" type=\"password\"></td>");
out.println(" </tr>");
out.println(" <tr>");
out.println(" <td colspan=\"2\"><input id=\"btn\" name=\"btn\" type=\"submit\" value=\"登 录\"></td>");
out.println(" </tr>");
out.println(" </table>");
out.println(" <input name=\""+PARAM_OP_TYPE+"\" value=\""+OP_TYPE_LOGIN+"\" type=\"hidden\">");
out.println("</form>");
out.println("<script>");
out.println("function M(id){return document.getElementById(id);}");
out.println("function formSubmit(){");
out.println(" if (M(\""+PARAM_USER_NAME+"\").value==''){");
out.println(" alert(\"请输入用户名\");return false;");
out.println(" }");
out.println(" if (M(\""+PARAM_LOGIN_PASS+"\").value==''){");
out.println(" alert(\"请输入密码\");return false;");
out.println(" }");
out.println(" return true;");
out.println("}");
out.println("</script>");
}
}
启动应用后，访问http://localhost:18081/proxoolPool显示登录页面，输入用户名/密码，就是@WebServlet注解里initParam配置的用户名密码登录即可