Source Code Cross Referenced for ServerAdmin.java in  » EJB-Server-resin-3.1.5 » resin » com » caucho » server » cluster » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server resin 3.1.5 » resin » com.caucho.server.cluster 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003:         *
004:         * This file is part of Resin(R) Open Source
005:         *
006:         * Each copy or derived work must preserve the copyright notice and this
007:         * notice unmodified.
008:         *
009:         * Resin Open Source is free software; you can redistribute it and/or modify
010:         * it under the terms of the GNU General Public License as published by
011:         * the Free Software Foundation; either version 2 of the License, or
012:         * (at your option) any later version.
013:         *
014:         * Resin Open Source is distributed in the hope that it will be useful,
015:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
016:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017:         * of NON-INFRINGEMENT.  See the GNU General Public License for more
018:         * details.
019:         *
020:         * You should have received a copy of the GNU General Public License
021:         * along with Resin Open Source; if not, write to the
022:         *
023:         *   Free Software Foundation, Inc.
024:         *   59 Temple Place, Suite 330
025:         *   Boston, MA 02111-1307  USA
026:         *
027:         * @author Scott Ferguson
028:         */
029:
030:        package com.caucho.server.cluster;
031:
032:        import com.caucho.management.server.AbstractEmitterObject;
033:        import com.caucho.management.server.ClusterMXBean;
034:        import com.caucho.management.server.PortMXBean;
035:        import com.caucho.management.server.ServerMXBean;
036:        import com.caucho.management.server.ThreadPoolMXBean;
037:        import com.caucho.server.port.Port;
038:        import com.caucho.server.util.CauchoSystem;
039:        import com.caucho.util.Alarm;
040:
041:        import java.util.Collection;
042:        import java.util.Date;
043:
044:        public class ServerAdmin extends AbstractEmitterObject implements 
045:                ServerMXBean {
046:            private Server _server;
047:
048:            ServerAdmin(Server server) {
049:                _server = server;
050:
051:                registerSelf();
052:            }
053:
054:            public String getName() {
055:                return null;
056:            }
057:
058:            public String getType() {
059:                return "Server";
060:            }
061:
062:            public String getId() {
063:                return _server.getServerId();
064:            }
065:
066:            //
067:            // Hierarchy
068:            //
069:
070:            /**
071:             * Returns the cluster owning this server
072:             */
073:            public ClusterMXBean getCluster() {
074:                return _server.getCluster().getAdmin();
075:            }
076:
077:            /**
078:             * Returns the array of ports.
079:             */
080:            public PortMXBean[] getPorts() {
081:                Collection<Port> portList = _server.getPorts();
082:
083:                PortMXBean[] ports = new PortMXBean[portList.size()];
084:
085:                int i = 0;
086:                for (Port port : portList) {
087:                    ports[i++] = port.getAdmin();
088:                }
089:
090:                return ports;
091:            }
092:
093:            /**
094:             * Returns the server's thread pool administration
095:             */
096:            public ThreadPoolMXBean getThreadPool() {
097:                return _server.getCluster().getResin().getThreadPoolAdmin();
098:            }
099:
100:            /**
101:             * Returns the cluster port
102:             */
103:            public PortMXBean getClusterPort() {
104:                return null;
105:            }
106:
107:            //
108:            // Configuration attributes
109:            //
110:
111:            /**
112:             * Returns true if a {@link com.caucho.server.port.AbstractSelectManager} is enabled and active
113:             */
114:            public boolean isSelectManagerEnabled() {
115:                return _server.isSelectManagerEnabled();
116:            }
117:
118:            /**
119:             * Returns true if detailed statistics are being kept.
120:             */
121:            public boolean isDetailedStatistics() {
122:                return false;
123:            }
124:
125:            //
126:            // state
127:            //
128:
129:            /**
130:             * The current lifecycle state.
131:             */
132:            public String getState() {
133:                return _server.getState();
134:            }
135:
136:            /**
137:             * Returns the current time according to the server.
138:             */
139:            public Date getCurrentTime() {
140:                return new Date(Alarm.getExactTime());
141:            }
142:
143:            /**
144:             * Returns the last start time.
145:             */
146:            public Date getStartTime() {
147:                return new Date(_server.getStartTime());
148:            }
149:
150:            //
151:            // statistics
152:            //
153:
154:            /**
155:             * Returns the current number of threads that are servicing requests.
156:             */
157:            public int getThreadActiveCount() {
158:                int activeThreadCount = -1;
159:
160:                for (Port port : _server.getPorts()) {
161:                    if (port.getActiveThreadCount() >= 0) {
162:                        if (activeThreadCount == -1)
163:                            activeThreadCount = 0;
164:
165:                        activeThreadCount += port.getActiveThreadCount();
166:                    }
167:                }
168:
169:                return activeThreadCount;
170:            }
171:
172:            /**
173:             * Returns the current number of connections that are in the keepalive
174:             * state and are using a thread to maintain the connection.
175:             */
176:            public int getThreadKeepaliveCount() {
177:                int keepaliveThreadCount = -1;
178:
179:                for (Port port : _server.getPorts()) {
180:                    if (port.getKeepaliveConnectionCount() >= 0) {
181:                        if (keepaliveThreadCount == -1)
182:                            keepaliveThreadCount = 0;
183:
184:                        keepaliveThreadCount += port
185:                                .getKeepaliveConnectionCount();
186:                    }
187:                }
188:
189:                return keepaliveThreadCount;
190:            }
191:
192:            /**
193:             * Returns the current number of connections that are in the keepalive
194:             * state and are using select to maintain the connection.
195:             */
196:            public int getSelectKeepaliveCount() {
197:                return _server.getKeepaliveSelectCount();
198:            }
199:
200:            /**
201:             * Returns the total number of requests serviced by the server
202:             * since it started.
203:             */
204:            public long getRequestCountTotal() {
205:                long lifetimeRequestCount = 0;
206:
207:                for (Port port : _server.getPorts())
208:                    lifetimeRequestCount += port.getLifetimeRequestCount();
209:
210:                return lifetimeRequestCount;
211:            }
212:
213:            /**
214:             * Returns the number of requests that have ended up in the keepalive state
215:             * for this server in its lifetime.
216:             */
217:            public long getKeepaliveCountTotal() {
218:                return -1;
219:            }
220:
221:            /**
222:             * The total number of connections that have terminated with
223:             * {@link com.caucho.vfs.ClientDisconnectException}.
224:             */
225:            public long getClientDisconnectCountTotal() {
226:                long lifetimeClientDisconnectCount = 0;
227:
228:                for (Port port : _server.getPorts())
229:                    lifetimeClientDisconnectCount += port
230:                            .getLifetimeClientDisconnectCount();
231:
232:                return lifetimeClientDisconnectCount;
233:            }
234:
235:            /**
236:             * Returns the total duration in milliseconds that requests serviced by
237:             * this server have taken.
238:             */
239:            public long getRequestTimeTotal() {
240:                return -1;
241:            }
242:
243:            /**
244:             * Returns the total number of bytes that requests serviced by this
245:             * server have read.
246:             */
247:            public long getRequestReadBytesTotal() {
248:                return -1;
249:            }
250:
251:            /**
252:             * Returns the total number of bytes that requests serviced by this
253:             * server have written.
254:             */
255:            public long getRequestWriteBytesTotal() {
256:                return -1;
257:            }
258:
259:            /**
260:             * Returns the invocation cache hit count.
261:             */
262:            public long getInvocationCacheHitCountTotal() {
263:                return _server.getInvocationCacheHitCount();
264:            }
265:
266:            /**
267:             * Returns the invocation cache miss count.
268:             */
269:            public long getInvocationCacheMissCountTotal() {
270:                return _server.getInvocationCacheMissCount();
271:            }
272:
273:            /**
274:             * Returns the current total amount of memory available for the JVM, in bytes.
275:             */
276:            public long getRuntimeMemory() {
277:                return Runtime.getRuntime().totalMemory();
278:            }
279:
280:            /**
281:             * Returns the current free amount of memory available for the JVM, in bytes.
282:             */
283:            public long getRuntimeMemoryFree() {
284:                return Runtime.getRuntime().freeMemory();
285:            }
286:
287:            /**
288:             * Returns the CPU load average.
289:             */
290:            public double getCpuLoadAvg() {
291:                try {
292:                    if (Alarm.isTest())
293:                        return 0;
294:                    else
295:                        return CauchoSystem.getLoadAvg();
296:                } catch (Exception e) {
297:                    return 0;
298:                }
299:            }
300:
301:            //
302:            // Operations
303:            //
304:
305:            /**
306:             * Restart this Resin server.
307:             */
308:            public void restart() {
309:                _server.destroy();
310:            }
311:        }
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