001: /* ====================================================================
002: * The Jcorporate Apache Style Software License, Version 1.2 05-07-2002
003: *
004: * Copyright (c) 1995-2002 Jcorporate Ltd. All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions
008: * are met:
009: *
010: * 1. Redistributions of source code must retain the above copyright
011: * notice, this list of conditions and the following disclaimer.
012: *
013: * 2. Redistributions in binary form must reproduce the above copyright
014: * notice, this list of conditions and the following disclaimer in
015: * the documentation and/or other materials provided with the
016: * distribution.
017: *
018: * 3. The end-user documentation included with the redistribution,
019: * if any, must include the following acknowledgment:
020: * "This product includes software developed by Jcorporate Ltd.
021: * (http://www.jcorporate.com/)."
022: * Alternately, this acknowledgment may appear in the software itself,
023: * if and wherever such third-party acknowledgments normally appear.
024: *
025: * 4. "Jcorporate" and product names such as "Expresso" must
026: * not be used to endorse or promote products derived from this
027: * software without prior written permission. For written permission,
028: * please contact info@jcorporate.com.
029: *
030: * 5. Products derived from this software may not be called "Expresso",
031: * or other Jcorporate product names; nor may "Expresso" or other
032: * Jcorporate product names appear in their name, without prior
033: * written permission of Jcorporate Ltd.
034: *
035: * 6. No product derived from this software may compete in the same
036: * market space, i.e. framework, without prior written permission
037: * of Jcorporate Ltd. For written permission, please contact
038: * partners@jcorporate.com.
039: *
040: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
041: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
042: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
043: * DISCLAIMED. IN NO EVENT SHALL JCORPORATE LTD OR ITS CONTRIBUTORS
044: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
045: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
046: * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
047: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
048: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
049: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
050: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
051: * SUCH DAMAGE.
052: * ====================================================================
053: *
054: * This software consists of voluntary contributions made by many
055: * individuals on behalf of the Jcorporate Ltd. Contributions back
056: * to the project(s) are encouraged when you make modifications.
057: * Please send them to support@jcorporate.com. For more information
058: * on Jcorporate Ltd. and its products, please see
059: * <http://www.jcorporate.com/>.
060: *
061: * Portions of this software are based upon other open source
062: * products and are subject to their respective licenses.
063: */
064:
065: package com.jcorporate.expresso.ext.controller;
066:
067: import com.jcorporate.expresso.core.controller.ControllerException;
068: import com.jcorporate.expresso.core.controller.ControllerRequest;
069: import com.jcorporate.expresso.core.controller.ControllerResponse;
070: import com.jcorporate.expresso.core.controller.DBController;
071: import com.jcorporate.expresso.core.controller.NonHandleableException;
072: import com.jcorporate.expresso.core.controller.Output;
073: import com.jcorporate.expresso.core.controller.State;
074: import com.jcorporate.expresso.core.misc.DateTime;
075: import com.jcorporate.expresso.core.misc.EventHandler;
076: import com.jcorporate.expresso.ext.dbobj.PerfTestResult;
077: import com.jcorporate.expresso.ext.dbobj.PerfTestSet;
078: import com.jcorporate.expresso.ext.dbobj.PerfTests;
079: import com.jcorporate.expresso.kernel.util.FastStringBuffer;
080: import com.jcorporate.expresso.services.dbobj.Event;
081:
082: import java.util.Iterator;
083:
084: /**
085: * HealthCheck is a stand-alone application that is intended to be called
086: * periodically by a scheduler to make sure that all components of the system
087: * are operational. It checks that access is still available to all
088: * appropriate resources & attempts to notify operations
089: * if there is a problem by several means.
090: *
091: * @author Michael Nash
092: */
093: public class HealthCheck extends DBController {
094:
095: public HealthCheck() {
096: State healthcheck = new State("healthcheck", "Run HealthCheck");
097: addState(healthcheck);
098: setInitialState("healthcheck");
099: this
100: .setSchema(com.jcorporate.expresso.core.ExpressoSchema.class);
101: }
102:
103: /**
104: * Transition to a new state
105: *
106: * @param newState The new state to transition into
107: */
108: public ControllerResponse newState(String newState,
109: ControllerRequest params) throws ControllerException,
110: NonHandleableException {
111: ControllerResponse myResponse = super
112: .newState(newState, params);
113:
114: if (newState.equals("healthcheck")) {
115: healthCheckState(myResponse, params);
116: }
117:
118: return myResponse;
119: } /* newState() */
120:
121: /**
122: * @param args[]
123: */
124: private void healthCheckState(ControllerResponse myResponse,
125: ControllerRequest params) throws ControllerException {
126: FastStringBuffer mailMessage = new FastStringBuffer(1024);
127:
128: int testCount = 0;
129:
130: try {
131: mailMessage.append("Health Check Starts at "
132: + DateTime.getDateTimeString() + "\n");
133: myResponse.addOutput(new Output(
134: "Health Check Starts - db '"
135: + params.getDataContext() + "'"));
136: FastStringBuffer message = new FastStringBuffer(256);
137: message.append("HealthCheck\n");
138: message.append("\nHealthCheck at ");
139: message.append(DateTime.getDateTimeForDB(params
140: .getDataContext()));
141: message.append("\n");
142: message.append("For database/context '");
143: message.append(params.getDataContext());
144: message.append("'\n\n");
145:
146: boolean noProblems = true;
147: PerfTestSet ps = new PerfTestSet();
148: ps.setDataContext(params.getDataContext());
149:
150: PerfTestSet oneSet = null;
151: ps.setField("HealthCheck", "Y");
152:
153: PerfTestResult totalResult = new PerfTestResult();
154: PerfTestResult oneResult = null;
155:
156: for (Iterator pse = ps.searchAndRetrieveList().iterator(); pse
157: .hasNext();) {
158: oneSet = (PerfTestSet) pse.next();
159: oneResult = PerfTests.runSet(params.getDataContext(),
160: oneSet.getField("SetNumber"), null);
161: totalResult.add(oneResult);
162: testCount++;
163: }
164:
165: message.append(totalResult.getMessage());
166: message.append("\nThere were ");
167:
168: if (totalResult.getFailureCount() > 0) {
169: if (totalResult.getFailureCount() == 1) {
170: message.append("was 1 failure, ");
171: } else {
172: message.append("were "
173: + totalResult.getFailureCount()
174: + " failures, ");
175: }
176: } else {
177: message.append("no failures, ");
178: }
179: if (totalResult.getWarningCount() > 0) {
180: if (totalResult.getWarningCount() == 1) {
181: message.append("1 warning, ");
182: } else {
183: message.append("" + totalResult.getWarningCount()
184: + " warnings, ");
185: }
186: } else {
187: message.append("no warnings, ");
188: }
189:
190: message.append("and ");
191:
192: if (totalResult.getCautionCount() > 0) {
193: if (totalResult.getCautionCount() == 1) {
194: message.append("1 caution, ");
195: } else {
196: message.append("were "
197: + totalResult.getCautionCount()
198: + " cautions, ");
199: }
200: } else {
201: message.append("no cautions.");
202: }
203:
204: message.append("\n");
205:
206: if ((totalResult.getFailureCount() > 0)
207: || (totalResult.getWarningCount() > 0)
208: || (totalResult.getCautionCount() > 0)) {
209: noProblems = false;
210: }
211:
212: myResponse.addOutput(new Output("There were "
213: + totalResult.getCurrentUsers()
214: + " users logged in during tests"));
215:
216: if (noProblems) {
217: myResponse.addOutput(new Output(
218: "HealthCheck tests successful"));
219: } else {
220: myResponse.addOutput(new Output(
221: "HealthCheck tests indicate problem"));
222: }
223:
224: myResponse.addOutput(new Output(message.toString()));
225: new Event(params.getDataContext(), "HEALTH", message
226: .toString(), noProblems);
227: EventHandler.flush();
228: } catch (Exception de) {
229: throw new ControllerException(de);
230: }
231:
232: myResponse.addOutput(new Output("All Checks Complete. Ran "
233: + testCount + " test sets."));
234: } /* main(String) */
235:
236: /**
237: * @return java.lang.String The Title of the controller
238: */
239: public String getTitle() {
240: return "System Health Check";
241: }
242: } /* HealthCheck */
243:
244: /* HealthCheck */
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