1 karl 1.12 //%2003////////////////////////////////////////////////////////////////////////
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2 kumpf 1.1 //
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3 karl 1.12 // Copyright (c) 2000, 2001, 2002 BMC Software, Hewlett-Packard Development
4 // Company, L. P., IBM Corp., The Open Group, Tivoli Systems.
5 // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L. P.;
6 // IBM Corp.; EMC Corporation, The Open Group.
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7 kumpf 1.1 //
8 // Permission is hereby granted, free of charge, to any person obtaining a copy
9 // of this software and associated documentation files (the "Software"), to
10 // deal in the Software without restriction, including without limitation the
11 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
12 // sell copies of the Software, and to permit persons to whom the Software is
13 // furnished to do so, subject to the following conditions:
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14 kumpf 1.3 //
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15 kumpf 1.1 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
16 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
17 // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
18 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
19 // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
20 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
21 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 //
24 //==============================================================================
25 //
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26 tony 1.8 // Author: Dong Xiang, EMC Corporation (xiang_dong@emc.com)
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27 kumpf 1.1 //
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28 dj.gorey 1.14 // Modified By: Dan Gorey (djgorey@us.ibm.com)
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29 a.arora 1.19.2.1 // Amit K Arora, IBM (amita@in.ibm.com) for PEP#183
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30 kumpf 1.1 //
31 //%/////////////////////////////////////////////////////////////////////////////
32
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33 tony 1.8 #include "CIMListener.h"
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34 kumpf 1.1
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35 tony 1.8 #include <Pegasus/Common/Exception.h>
36 #include <Pegasus/Common/SSLContext.h>
37 #include <Pegasus/Common/Monitor.h>
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38 kumpf 1.1 #include <Pegasus/Common/HTTPAcceptor.h>
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39 kumpf 1.11 #include <Pegasus/Common/PegasusVersion.h>
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40 kumpf 1.2
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41 kumpf 1.1 #include <Pegasus/ExportServer/CIMExportResponseEncoder.h>
42 #include <Pegasus/ExportServer/CIMExportRequestDecoder.h>
43
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44 tony 1.8 #include <Pegasus/Consumer/CIMIndicationConsumer.h>
45 #include <Pegasus/Listener/CIMListenerIndicationDispatcher.h>
46
47 PEGASUS_NAMESPACE_BEGIN
48 /////////////////////////////////////////////////////////////////////////////
49 // CIMListenerService
50 /////////////////////////////////////////////////////////////////////////////
51 class CIMListenerService
52 {
53 public:
54 CIMListenerService(Uint32 portNumber, SSLContext* sslContext=NULL);
55 CIMListenerService(CIMListenerService& svc);
56 ~CIMListenerService();
57
58 void init();
59 /** bind to the port
60 */
61 void bind();
62 /** runForever Main runloop for the server.
63 */
64 void runForever();
65 tony 1.8
66 /** Call to gracefully shutdown the server. The server connection socket
67 will be closed to disable new connections from clients.
68 */
69 void stopClientConnection();
70
71 /** Call to gracefully shutdown the server. It is called when the server
72 has been stopped and is ready to be shutdown. Next time runForever()
73 is called, the server shuts down.
74 */
75 void shutdown();
76
77 /** Return true if the server has shutdown, false otherwise.
78 */
79 Boolean terminated() { return _dieNow; };
80
81 /** Call to resume the sever.
82 */
83 void resume();
84
85 /** Call to set the CIMServer state. Also inform the appropriate
86 tony 1.8 message queues about the current state of the CIMServer.
87 */
88 void setState(Uint32 state);
89
90 Uint32 getOutstandingRequestCount();
91
92 /** Returns the indication listener dispatcher
93 */
94 CIMListenerIndicationDispatcher* getIndicationDispatcher() const;
95
96 /** Returns the indication listener dispatcher
97 */
98 void setIndicationDispatcher(CIMListenerIndicationDispatcher* dispatcher);
99
100 static PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL _listener_routine(void *param);
101
102 private:
103 Uint32 _portNumber;
104 SSLContext* _sslContext;
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105 dj.gorey 1.15 #ifdef PEGASUS_USE_23HTTPMONITOR_CLIENT
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106 tony 1.8 Monitor* _monitor;
107 HTTPAcceptor* _acceptor;
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108 dj.gorey 1.14 #else
109 monitor_2* _monitor;
110 pegasus_acceptor* _acceptor;
111 #endif
112
113 Boolean _dieNow;
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114 tony 1.8
115 CIMListenerIndicationDispatcher* _dispatcher;
116
117 CIMExportResponseEncoder* _responseEncoder;
118 CIMExportRequestDecoder* _requestDecoder;
119
120 };
121
122 CIMListenerService::CIMListenerService(Uint32 portNumber, SSLContext* sslContext)
123 :_portNumber(portNumber)
124 ,_sslContext(sslContext)
125 ,_monitor(NULL)
126 ,_acceptor(NULL)
127 ,_dieNow(false)
128 ,_dispatcher(NULL)
129 ,_responseEncoder(NULL)
130 ,_requestDecoder(NULL)
131 {
132 }
133
134 CIMListenerService::CIMListenerService(CIMListenerService& svc)
135 tony 1.8 :_portNumber(svc._portNumber)
136 ,_sslContext(svc._sslContext)
137 ,_monitor(NULL)
138 ,_acceptor(NULL)
139 ,_dieNow(svc._dieNow)
140 ,_dispatcher(NULL)
141 ,_responseEncoder(NULL)
142 ,_requestDecoder(NULL)
143 {
144 }
145 CIMListenerService::~CIMListenerService()
146 {
147 // if port is alive, clean up the port
148 //if(_sslContext!=NULL)
149 // delete _sslContext;
150
151 if(_responseEncoder!=NULL)
152 delete _responseEncoder;
153
154 if(_requestDecoder!=NULL)
155 delete _requestDecoder;
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156 kumpf 1.1
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157 tony 1.8 //if(_dispatcher!=NULL)
158 // delete _dispatcher;
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159 kumpf 1.1
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160 tony 1.8 if(_monitor!=NULL)
161 delete _monitor;
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162 kumpf 1.1
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163 tony 1.8 if(_acceptor!=NULL)
164 delete _acceptor;
165 }
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166 kumpf 1.1
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167 tony 1.8 void CIMListenerService::init()
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168 kumpf 1.1 {
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169 tony 1.8 PEG_METHOD_ENTER(TRC_LISTENER, "CIMListenerService::init");
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170 kumpf 1.1
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171 dj.gorey 1.15 #ifdef PEGASUS_USE_23HTTPMONITOR_CLIENT
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172 tony 1.8 _monitor = new Monitor(true);
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173 dj.gorey 1.14 #else
174 _monitor = new monitor_2();
175 #endif
176
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177 tony 1.8 //_dispatcher = new CIMListenerIndicationDispatcher();
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178 kumpf 1.1
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179 a.arora 1.19.2.1 _responseEncoder = new CIMExportResponseEncoder();
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180 tony 1.8 _requestDecoder = new CIMExportRequestDecoder(
181 _dispatcher,
182 _responseEncoder->getQueueId());
183
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184 dj.gorey 1.15 #ifdef PEGASUS_USE_23HTTPMONITOR_CLIENT
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185 dj.gorey 1.14 _acceptor = new HTTPAcceptor(
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186 tony 1.8 _monitor,
187 _requestDecoder,
188 false,
189 _portNumber,
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190 kumpf 1.19 _sslContext,
191 false);
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192 dj.gorey 1.14 #else
193 _acceptor = new pegasus_acceptor(_monitor,
194 _requestDecoder,
195 false,
196 _portNumber,
197 _sslContext);
198 #endif
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199 kumpf 1.1
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200 a.arora 1.19.2.1 bind();
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201 kumpf 1.1
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202 a.arora 1.19.2.1 PEG_METHOD_EXIT();
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203 tony 1.8 }
204 void CIMListenerService::bind()
205 {
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206 a.arora 1.19.2.1 if(_acceptor!=NULL)
207 { // Bind to the port
208 _acceptor->bind();
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209 tony 1.8
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210 a.arora 1.19.2.1 PEGASUS_STD(cout) << "Listening on HTTP port " << _portNumber << PEGASUS_STD(endl);
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211 tony 1.8
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212 a.arora 1.19.2.1 //listener.addAcceptor(false, portNumberHttp, false);
213 Logger::put(Logger::STANDARD_LOG, System::CIMLISTENER, Logger::INFORMATION,
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214 tony 1.8 "Listening on HTTP port $0.", _portNumber);
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215 kumpf 1.1
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216 a.arora 1.19.2.1 }
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217 tony 1.8 }
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218 a.arora 1.19.2.1
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219 tony 1.8 void CIMListenerService::runForever()
220 {
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221 a.arora 1.19.2.1 static int modulator = 0;
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222 kumpf 1.1
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223 a.arora 1.19.2.1 if(!_dieNow)
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224 dj.gorey 1.14 {
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225 a.arora 1.19.2.1 #ifdef PEGASUS_USE_23HTTPMONITOR_CLIENT
226 if(false == _monitor->run(500000))
227 {
228 modulator++;
229 try
230 {
231 //MessageQueueService::_check_idle_flag = 1;
232 //MessageQueueService::_polling_sem.signal();
233 MessageQueueService::get_thread_pool()->kill_idle_threads();
234 }
235 catch(...)
236 {
237 }
238 }
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239 tony 1.8 /*
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240 a.arora 1.19.2.1 if (handleShutdownSignal)
241 {
242 Tracer::trace(TRC_SERVER, Tracer::LEVEL3,
243 "CIMServer::runForever - signal received. Shutting down.");
244
245 ShutdownService::getInstance(this)->shutdown(true, 10, false);
246 handleShutdownSignal = false;
247 }
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248 tony 1.8 */
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249 a.arora 1.19.2.1 #else
250 _monitor->run();
251 #endif
252 }
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253 tony 1.8 }
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254 kumpf 1.1
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255 tony 1.8 void CIMListenerService::shutdown()
256 {
257 PEG_METHOD_ENTER(TRC_LISTENER, "CIMListenerService::shutdown()");
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258 kumpf 1.1
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259 tony 1.8 _dieNow = true;
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260 a.arora 1.19.2.1 #ifdef PEGASUS_USE_23HTTPMONITOR_CLIENT
261 _monitor->tickle();
262 #endif
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263 kumpf 1.1
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264 kumpf 1.4 PEG_METHOD_EXIT();
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265 kumpf 1.1 }
266
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267 tony 1.8 void CIMListenerService::resume()
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268 kumpf 1.1 {
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269 tony 1.8 PEG_METHOD_ENTER(TRC_LISTENER, "CIMListenerService::resume()");
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270 kumpf 1.1
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271 tony 1.8 if(_acceptor!=NULL)
272 _acceptor->reopenConnectionSocket();
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273 kumpf 1.1
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274 kumpf 1.4 PEG_METHOD_EXIT();
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275 kumpf 1.1 }
276
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277 tony 1.8 void CIMListenerService::stopClientConnection()
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278 kumpf 1.1 {
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279 tony 1.8 PEG_METHOD_ENTER(TRC_LISTENER, "CIMListenerService::stopClientConnection()");
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280 kumpf 1.1
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281 kumpf 1.10 // tell Monitor to stop listening for client connections
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282 dj.gorey 1.15 #ifdef PEGASUS_USE_23HTTPMONITOR_CLIENT
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283 kumpf 1.10 _monitor->stopListeningForConnections();
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284 dj.gorey 1.14 #else
285 _monitor->stop();
286 #endif
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287 kumpf 1.10
288 //
289 // Wait 150 milliseconds to allow time for the Monitor to stop
290 // listening for client connections.
291 //
292 // This wait time is the timeout value for the select() call
293 // in the Monitor's run() method (currently set to 100
294 // milliseconds) plus a delta of 50 milliseconds. The reason
295 // for the wait here is to make sure that the Monitor entries
296 // are updated before closing the connection sockets.
297 //
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298 a.arora 1.19.2.1 // pegasus_sleep(150); Not needed now due to the semaphore in the Monitor
299
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300 tony 1.8 if(_acceptor!=NULL)
301 _acceptor->closeConnectionSocket();
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302 kumpf 1.1
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303 kumpf 1.4 PEG_METHOD_EXIT();
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304 kumpf 1.1 }
305
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306 tony 1.8
307 CIMListenerIndicationDispatcher* CIMListenerService::getIndicationDispatcher() const
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308 kumpf 1.1 {
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309 tony 1.8 return _dispatcher;
310 }
311 void CIMListenerService::setIndicationDispatcher(CIMListenerIndicationDispatcher* dispatcher)
312 {
313 _dispatcher = dispatcher;
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314 kumpf 1.1 }
315
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316 tony 1.8 PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL CIMListenerService::_listener_routine(void *param)
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317 kumpf 1.1 {
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318 tony 1.8 CIMListenerService *svc = reinterpret_cast<CIMListenerService *>(param);
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319 kumpf 1.1
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320 a.arora 1.19.2.1 //svc->init(); bug 1394
321 while(!svc->terminated())
322 {
323 #if defined(PEGASUS_PLATFORM_DARWIN_PPC_GNU)
324 pthread_testcancel();
325 #endif
326 svc->runForever();
327 }
328 delete svc;
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329 tony 1.8
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330 a.arora 1.19.2.1 return 0;
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331 tony 1.8 }
332 static struct timeval create_time = {0, 1};
333 static struct timeval destroy_time = {15, 0};
334 static struct timeval deadlock_time = {0, 0};
335
336 /////////////////////////////////////////////////////////////////////////////
337 // CIMListenerRep
338 /////////////////////////////////////////////////////////////////////////////
339 class CIMListenerRep
340 {
341 public:
342 CIMListenerRep(Uint32 portNumber, SSLContext* sslContext=NULL);
343 ~CIMListenerRep();
344
345 Uint32 getPortNumber() const;
346
347 SSLContext* getSSLContext() const;
348 void setSSLContext(SSLContext* sslContext);
349
350 void start();
351 void stop();
352 tony 1.8
353 Boolean isAlive();
354
355 Boolean addConsumer(CIMIndicationConsumer* consumer);
356 Boolean removeConsumer(CIMIndicationConsumer* consumer);
357
358 private:
359 Uint32 _portNumber;
360 SSLContext* _sslContext;
361
362 CIMListenerIndicationDispatcher* _dispatcher;
363 ThreadPool* _thread_pool;
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364 a.arora 1.19.2.1 CIMListenerService* _svc;
365 Semaphore *_listener_sem;
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366 tony 1.8 };
367
368 CIMListenerRep::CIMListenerRep(Uint32 portNumber, SSLContext* sslContext)
369 :_portNumber(portNumber)
370 ,_sslContext(sslContext)
371 ,_dispatcher(new CIMListenerIndicationDispatcher())
372 ,_thread_pool(NULL)
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373 a.arora 1.19.2.1 ,_svc(NULL)
374 ,_listener_sem(NULL)
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375 tony 1.8 {
376 }
377 CIMListenerRep::~CIMListenerRep()
378 {
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379 a.arora 1.19.2.1 // if port is alive, clean up the port
380 if (_thread_pool != NULL)
381 {
382 // Block incoming export requests and unbind the port
383 _svc->stopClientConnection();
384
385 // Shutdown the CIMListenerService
386 _svc->shutdown();
387 }
388
389 if(_sslContext!=NULL)
390 delete _sslContext;
391
392 if(_dispatcher!=NULL)
393 delete _dispatcher;
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394 tony 1.8
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395 a.arora 1.19.2.1 if(_thread_pool!=NULL)
396 delete _thread_pool;
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397 tony 1.8
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398 a.arora 1.19.2.1 if(_listener_sem!=NULL)
399 delete _listener_sem;
400
401 // don't delete _svc, this is deleted by _listener_routine
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402 tony 1.8 }
403
404 Uint32 CIMListenerRep::getPortNumber() const
405 {
406 return _portNumber;
407 }
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408 kumpf 1.1
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409 tony 1.8 SSLContext* CIMListenerRep::getSSLContext() const
410 {
411 return _sslContext;
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412 kumpf 1.1 }
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413 tony 1.8 void CIMListenerRep::setSSLContext(SSLContext* sslContext)
414 {
415 if(_sslContext!=NULL)
416 delete _sslContext;
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417 kumpf 1.1
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418 tony 1.8 _sslContext = sslContext;
419 }
420 void CIMListenerRep::start()
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421 kumpf 1.1 {
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422 a.arora 1.19.2.1 // spawn a thread to do this
423 if(_thread_pool==NULL)
424 {
425 CIMListenerService* svc = new CIMListenerService(_portNumber,_sslContext);
426 try
427 {
428 // Try to initialize the service (bug 1394)
429 svc->setIndicationDispatcher(_dispatcher);
430 svc->init();
431 }
432 catch(...)
433 {
434 // Error. Exit without creating the ThreadPool, so that this listener
435 // is not 'alive'
436 delete svc;
437 throw;
438 }
439
440 _thread_pool = new ThreadPool(0, "Listener", 0, 1,
441 create_time, destroy_time, deadlock_time);
442
443 a.arora 1.19.2.1 _listener_sem = new Semaphore(0);
444 _thread_pool->allocate_and_awaken(svc,
445 CIMListenerService::_listener_routine,
446 _listener_sem);
447
448 _svc = svc;
449
450 Logger::put(Logger::STANDARD_LOG,System::CIMLISTENER,
451 Logger::INFORMATION,
452 "CIMListener started");
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453 kumpf 1.1
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454 a.arora 1.19.2.1 PEGASUS_STD(cerr) << "CIMlistener started" << PEGASUS_STD(endl);
455 }
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456 tony 1.8 }
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457 kumpf 1.1
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458 tony 1.8 void CIMListenerRep::stop()
459 {
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460 a.arora 1.19.2.1 if(_thread_pool!=NULL)
461 {
462 //
463 // Graceful shutdown of the listener service
464 //
465
466 // Block incoming export requests and unbind the port
467 _svc->stopClientConnection();
468
469 // Shutdown the CIMListenerService
470 _svc->shutdown();
471
472 // Wait for the _listener_routine thread to exit.
473 // The thread could be delivering an export, so give it 3sec.
474 // Note that _listener_routine deletes the CIMListenerService,
475 // so no need to delete _svc.
476 try
477 {
478 _listener_sem->time_wait(3000);
479 }
480 catch (TimeOut &)
481 a.arora 1.19.2.1 {
482 // No need to do anything, the thread pool will be deleted below
483 // to cancel the _listener_routine thread if it is still running.
484 }
485
486 delete _listener_sem;
487 _listener_sem = NULL;
488
489 // Delete the thread pool. This cancels the listener thread if it is still
490 // running.
491 delete _thread_pool;
492 _thread_pool = NULL;
493
494 Logger::put(Logger::STANDARD_LOG,System::CIMLISTENER,
495 Logger::INFORMATION,
496 "CIMListener stopped");
497 }
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498 kumpf 1.1 }
499
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500 tony 1.8 Boolean CIMListenerRep::isAlive()
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501 kumpf 1.1 {
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502 tony 1.8 return (_thread_pool!=NULL)?true:false;
503 }
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504 kumpf 1.1
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505 tony 1.8 Boolean CIMListenerRep::addConsumer(CIMIndicationConsumer* consumer)
506 {
507 return _dispatcher->addConsumer(consumer);
508 }
509 Boolean CIMListenerRep::removeConsumer(CIMIndicationConsumer* consumer)
510 {
511 return _dispatcher->removeConsumer(consumer);
512 }
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513 kumpf 1.1
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514 tony 1.8 /////////////////////////////////////////////////////////////////////////////
515 // CIMListener
516 /////////////////////////////////////////////////////////////////////////////
517 CIMListener::CIMListener(Uint32 portNumber, SSLContext* sslContext)
518 :_rep(new CIMListenerRep(portNumber,sslContext))
519 {
520 }
521 CIMListener::~CIMListener()
522 {
523 if(_rep!=NULL)
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524 tony 1.9 delete static_cast<CIMListenerRep*>(_rep);
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525 tony 1.8 _rep=NULL;
526 }
527
528 Uint32 CIMListener::getPortNumber() const
529 {
530 return static_cast<CIMListenerRep*>(_rep)->getPortNumber();
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531 kumpf 1.1 }
532
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533 tony 1.8 SSLContext* CIMListener::getSSLContext() const
534 {
535 return static_cast<CIMListenerRep*>(_rep)->getSSLContext();
536 }
537 void CIMListener::setSSLContext(SSLContext* sslContext)
538 {
539 static_cast<CIMListenerRep*>(_rep)->setSSLContext(sslContext);
540 }
541 void CIMListener::start()
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542 kumpf 1.1 {
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543 tony 1.8 static_cast<CIMListenerRep*>(_rep)->start();
544 }
545 void CIMListener::stop()
546 {
547 static_cast<CIMListenerRep*>(_rep)->stop();
548 }
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549 kumpf 1.1
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550 tony 1.8 Boolean CIMListener::isAlive()
551 {
552 return static_cast<CIMListenerRep*>(_rep)->isAlive();
553 }
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554 kumpf 1.1
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555 tony 1.8 Boolean CIMListener::addConsumer(CIMIndicationConsumer* consumer)
556 {
557 return static_cast<CIMListenerRep*>(_rep)->addConsumer(consumer);
558 }
559 Boolean CIMListener::removeConsumer(CIMIndicationConsumer* consumer)
560 {
561 return static_cast<CIMListenerRep*>(_rep)->removeConsumer(consumer);
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562 kumpf 1.1 }
563
564 PEGASUS_NAMESPACE_END
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Return to
CIMListener.cpp
CVS log
Up to [Pegasus] / pegasus / src / Pegasus / Listener