-
Notifications
You must be signed in to change notification settings - Fork 131
/
Request.java
452 lines (386 loc) · 12.8 KB
/
Request.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
/*
COPYRIGHT STATUS:
Dec 1st 2001, Fermi National Accelerator Laboratory (FNAL) documents and
software are sponsored by the U.S. Department of Energy under Contract No.
DE-AC02-76CH03000. Therefore, the U.S. Government retains a world-wide
non-exclusive, royalty-free license to publish or reproduce these documents
and software for U.S. Government purposes. All documents and software
available from this server are protected under the U.S. and Foreign
Copyright Laws, and FNAL reserves all rights.
Distribution of the software available from this server is free of
charge subject to the user following the terms of the Fermitools
Software Legal Information.
Redistribution and/or modification of the software shall be accompanied
by the Fermitools Software Legal Information (including the copyright
notice).
The user is asked to feed back problems, benefits, and/or suggestions
about the software to the Fermilab Software Providers.
Neither the name of Fermilab, the URA, nor the names of the contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
DISCLAIMER OF LIABILITY (BSD):
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL FERMILAB,
OR THE URA, OR THE U.S. DEPARTMENT of ENERGY, OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Liabilities of the Government:
This software is provided by URA, independent from its Prime Contract
with the U.S. Department of Energy. URA is acting independently from
the Government and in its own private capacity and is not acting on
behalf of the U.S. Government, nor as its contractor nor its agent.
Correspondingly, it is understood and agreed that the U.S. Government
has no connection to this software and in no manner whatsoever shall
be liable for nor assume any responsibility or obligation for any claim,
cost, or damages arising out of or resulting from the use of the software
available from this server.
Export Control:
All documents and software available from this server are subject to U.S.
export control laws. Anyone downloading information from this server is
obligated to secure any necessary Government licenses before exporting
documents or software obtained from this server.
*/
/*
* Request.java
*
* Created on September 29, 2006, 3:12 PM
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
package org.dcache.srm.request;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.dao.DataAccessException;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import org.dcache.srm.AbstractStorageElement;
import org.dcache.srm.SRM;
import org.dcache.srm.SRMInvalidRequestException;
import org.dcache.srm.SRMUser;
import org.dcache.srm.scheduler.IllegalStateTransition;
import org.dcache.srm.scheduler.State;
import org.dcache.srm.util.Configuration;
import org.dcache.srm.v2_2.TReturnStatus;
import org.dcache.srm.v2_2.TStatusCode;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* A Request object represents an individual SOAP operation, as defined by the
* WSDL. Such requests may be further divided into those requests that do not
* involve individual files (ReserveSpaceRequest) and those that contain one or
* more files (subclasses of ContainerRequest).
*
* Some SOAP operations are not scheduled (e.g., srmPing). These are not
* represented as a subclass of Request.
*/
public abstract class Request extends Job {
private static final Logger logger = LoggerFactory.getLogger(Request.class);
private final String client_host;
private final SRMUser user;
public Request(@Nonnull SRMUser user,
long max_update_period,
long lifetime,
@Nullable String description,
String client_host
) {
super(lifetime);
this.max_update_period = max_update_period;
this.description = description;
this.client_host = client_host;
this.user = checkNotNull(user);
}
/**
* this constructor is used for restoring the previously
* saved Request from persitance storage
*/
protected Request(
long id,
Long nextJobId,
long creationTime,
long lifetime,
int stateId,
String errorMessage,
SRMUser user,
String scheduelerId,
long schedulerTimeStamp,
int numberOfRetries,
long lastStateTransitionTime,
JobHistory[] jobHistoryArray,
int retryDeltaTime,
boolean should_updateretryDeltaTime,
String description,
String client_host,
String statusCodeString) {
super(id,
nextJobId,
creationTime,
lifetime,
stateId,
errorMessage,
scheduelerId,
schedulerTimeStamp,
numberOfRetries,
lastStateTransitionTime,
jobHistoryArray);
this.retryDeltaTime = retryDeltaTime;
this.should_updateretryDeltaTime = should_updateretryDeltaTime;
this.description = description;
this.client_host = client_host;
this.statusCode = statusCodeString==null
?null
:TStatusCode.fromString(statusCodeString);
this.user = user;
logger.debug("restored");
}
/** general srm server configuration settings */
private transient Configuration configuration;
protected int cyclicUpdateCounter;
protected long max_update_period = 10*60*60;
/*
* private instance variables
*/
protected int retryDeltaTime = 1;
protected boolean should_updateretryDeltaTime = true;
/** instance of the AbstractStorageElement implementation,
* class that gives us an interface to the
* underlying storage system
*/
private transient AbstractStorageElement storage;
/**
* Status code from version 2.2
* provides a better description of
* reasons for failure, etc
* need this to comply with the spec
*/
private TStatusCode statusCode;
public abstract String getMethod();
@Nullable
private String description;
/**
* gets request id as int
* @return
* request id
*/
public int getRequestNum() {
return (int) getId();
}
/**
* Getter for property retryDeltaTime.
* @return Value of property retryDeltaTime.
*/
public int getRetryDeltaTime() {
rlock();
try {
return retryDeltaTime;
} finally {
runlock();
}
}
/**
* gets srm user who issued the request
* @return
* srm user
*/
public SRMUser getUser() {
// user is final, no need to synchronize on get
return user;
}
/**
* Getter for property should_updateretryDeltaTime.
* @return Value of property should_updateretryDeltaTime.
*/
public boolean isShould_updateretryDeltaTime() {
rlock();
try {
return should_updateretryDeltaTime;
} finally {
runlock();
}
}
/**
* reset retryDeltaTime to 1
*/
public void resetRetryDeltaTime() {
wlock();
try {
retryDeltaTime = 1;
} finally {
wunlock();
}
}
/**
* status is not going to change
* set retry delta time to 1
*/
public void stopUpdating() {
wlock();
try {
retryDeltaTime = 1;
should_updateretryDeltaTime = false;
} finally {
wunlock();
}
}
/**
* updateRetryDeltaTime is called every time user gets RequestStatus
* so the next time user waits longer (up to MAX_RETRY_TIME secs)
* if nothing has been happening for a while
* The algoritm of incrising retryDeltaTime is absolutely arbitrary
*/
protected void updateRetryDeltaTime() {
wlock();
try {
if (should_updateretryDeltaTime && cyclicUpdateCounter == 0) {
if(retryDeltaTime <100) {
retryDeltaTime +=3;
}
else if(retryDeltaTime <300) {
retryDeltaTime +=6;
}
else {
retryDeltaTime *= 2;
}
if (retryDeltaTime > max_update_period) {
retryDeltaTime = (int) max_update_period;
}
}
cyclicUpdateCounter = (cyclicUpdateCounter+1)%5;
} finally {
wunlock();
}
}
@Nullable
public final String getDescription() {
rlock();
try {
return description;
} finally {
runlock();
}
}
public final void setDescription(String description) {
wlock();
try {
this.description = description;
} finally {
wunlock();
}
}
public TStatusCode getStatusCode() {
rlock();
try {
return statusCode;
} finally {
runlock();
}
}
public String getStatusCodeString() {
rlock();
try {
return statusCode==null ? null:statusCode.getValue() ;
} finally {
runlock();
}
}
public final void setStateAndStatusCode(
State state,
String description,
TStatusCode statusCode) throws IllegalStateTransition {
wlock();
try {
setState(state, description);
setStatusCode(statusCode);
} finally {
wunlock();
}
}
public void setStatusCode(TStatusCode statusCode) {
wlock();
try {
this.statusCode = statusCode;
} finally {
wunlock();
}
}
public String getClient_host() {
return client_host;
}
@Override
public String getSubmitterId() {
return Long.toString(user.getId());
}
@Override
public void checkExpiration()
{
wlock();
try {
if (creationTime + lifetime < System.currentTimeMillis() && !getState().isFinal()) {
logger.info("expiring job #{}", getId());
setStateAndStatusCode(State.FAILED, "Total request time exceeded.", TStatusCode.SRM_REQUEST_TIMED_OUT);
}
} catch (IllegalStateTransition e) {
logger.error("Illegal state transition while expiring job: {}", e.toString());
} finally {
wunlock();
}
}
/**
* @return the storage
*/
public final AbstractStorageElement getStorage() {
if(storage == null) {
storage = SRM.getSRM().getStorage();
}
return storage;
}
/**
* @return the configuration
*/
public final Configuration getConfiguration() {
if(configuration == null) {
configuration = SRM.getSRM().getConfiguration();
}
return configuration;
}
public TReturnStatus abort(String reason)
{
wlock();
try {
/* [ SRM 2.2, 5.11.2 ]
*
* c) Abort must be allowed to all requests with requestToken.
* i) When duplicate abort request is issued on the same request, SRM_SUCCESS
* may be returned to all duplicate abort requests and no operations on
* duplicate abort requests are performed.
*/
State state = getState();
if (!state.isFinal()) {
setState(State.CANCELED, reason);
}
} catch (IllegalStateTransition e) {
return new TReturnStatus(TStatusCode.SRM_FAILURE, "Cannot abort request in its current state");
} finally {
wunlock();
}
return new TReturnStatus(TStatusCode.SRM_SUCCESS, null);
}
public static <R extends Request> R getRequest(String requestToken, Class<R> type)
throws SRMInvalidRequestException
{
if (requestToken == null) {
throw new SRMInvalidRequestException("Request token is empty");
}
try {
return Job.getJob(Long.parseLong(requestToken), type);
} catch (SRMInvalidRequestException | NumberFormatException e) {
throw new SRMInvalidRequestException("No such request: " + requestToken);
}
}
}