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1 | patch_205_build_9.zip\Java\TransactionLoggerLocalDataSourceProvider\main\src\java\gov\va\med\imaging\access\je | BDBRecoverer.java | Wed May 30 14:35:28 2018 UTC |
2 | patch_205_build_9.zip\Java\TransactionLoggerLocalDataSourceProvider\main\src\java\gov\va\med\imaging\access\je | BDBRecoverer.java | Mon Jun 4 20:23:11 2018 UTC |
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1 | /** | |
2 | * Package : MAG - Vi stA Imagin g | |
3 | * WARNING : Per VHA Directive 2004-038, this routi ne should not be mod ified. | |
4 | * Date Cr eated: May 27, 2008 | |
5 | * Site Na me: Washi ngton OI F ield Offic e, Silver Spring, MD | |
6 | * @author PI I
|
|
7 | * @versio n 1.0 | |
8 | * | |
9 | * ------- ---------- ---------- ---------- ---------- ---------- ------- | |
10 | * Propert y of the U S Governme nt. | |
11 | * No perm ission to copy or re distribute this soft ware is gi ven. | |
12 | * Use of unreleased versions of this so ftware req uires the user | |
13 | * to exec ute a writ ten test a greement w ith the Vi stA Imagin g | |
14 | * Develop ment Offic e of the D epartment of Veteran s Affairs, | |
15 | * telepho ne (301) 7 34-0100. | |
16 | * | |
17 | * The Foo d and Drug Administr ation clas sifies thi s software as | |
18 | * a Class II medica l device. As such, it may not be change d | |
19 | * in any way. Modi fications to this so ftware may result in an | |
20 | * adulter ated medic al device under 21CF R820, the use of whi ch | |
21 | * is cons idered to be a viola tion of US Federal S tatutes. | |
22 | * ------- ---------- ---------- ---------- ---------- ---------- ------- | |
23 | */ | |
24 | package go v.va.med.i maging.acc ess.je; | |
25 | ||
26 | ||
27 | import gov .va.med.im aging.core .interface s.exceptio ns.MethodE xception; | |
28 | ||
29 | import jav a.io.File; | |
30 | import jav a.io.FileI nputStream ; | |
31 | import jav a.io.FileO utputStrea m; | |
32 | import jav a.io.Buffe redInputSt ream; | |
33 | import jav a.io.Buffe redOutputS tream; | |
34 | import jav a.io.Print Stream; | |
35 | import jav a.io.Print Writer; | |
36 | import jav a.util.Dat e; | |
37 | import jav a.util.Vec tor; | |
38 | import jav a.util.Map ; | |
39 | import jav a.util.Has htable; | |
40 | import jav a.util.Col lections; | |
41 | import jav a.text.Sim pleDateFor mat; | |
42 | ||
43 | import org .apache.lo gging.log4 j.LogManag er; | |
44 | import org .apache.lo gging.log4 j.Logger; | |
45 | ||
46 | import com .sleepycat .je.Databa seExceptio n; | |
47 | ||
48 | ||
49 | /** | |
50 | * | |
51 | * If BDB Environmen t initiali zation fai ls, then t ry running the recov ery routin e(s) here. | |
52 | * | |
53 | * @author PII | |
54 | * | |
55 | */ | |
56 | public cla ss BDBReco verer impl ements Run nable | |
57 | { | |
58 | ||
59 | private static fi nal String fylSep = System.get Property ( "file.sepa rator"); | |
60 | ||
61 | private Logger lo gger = Log Manager.ge tLogger(th is.getClas s ()); | |
62 | ||
63 | private File data baseDirect ory = null ; | |
64 | ||
65 | private Process a ppProc = n ull; | |
66 | private boolean p rocessRunn ing = fals e; | |
67 | private boolean p rocessFini shed = tru e; | |
68 | private StringBui lder sbCon soleOutput = null; | |
69 | ||
70 | ||
71 | /** | |
72 | * Cons truct with the BDB E nvironment directory . | |
73 | * @par am databas eDirectory The direc tory with the BDB fi les. | |
74 | */ | |
75 | public BDBRecover er (File d atabaseDir ectory) | |
76 | { | |
77 | ||
78 | this .databaseD irectory = databaseD irectory; | |
79 | ||
80 | } // BD BRecoverer | |
81 | ||
82 | ||
83 | /** | |
84 | * 1. I f there ar en't any . jdb files, forget it . | |
85 | * 2. B ackup .jdb files to Database D irectory s lash BDBRe covererBac kup- today 's date. | |
86 | * 3. S tarting wi th the lat est .jdb f ile, and w orking bac kwards to the first | |
87 | * "000 00000.jdb" file, rem ove the fi le from pl ay and run DbVerify against | |
88 | * the .jdb files still lef t until Db Verify rep orts every thing is A OK. | |
89 | * @thr ows Databa seExceptio n if anyth ing goes w rong. | |
90 | */ | |
91 | public void recov er () thro ws MethodE xception | |
92 | { | |
93 | ||
94 | File shel lScript = null; | |
95 | ||
96 | try | |
97 | { | |
98 | logger.inf o ("Attemp ting To Re cover BDB Environmen t " + data baseDirect ory.getCan onicalPath ()); | |
99 | ||
100 | Vector <File> vJd bFyls = ne w Vector<F ile> (); | |
101 | Fi le[] fylLs t = databa seDirector y.listFile s (); | |
102 | ||
103 | for (F ile fyl : fylLst) | |
104 | { | |
105 | if (fyl.isFi le () && f yl.getName ().endsWi th (".jdb" )) vJdbFyl s.add (fyl ); | |
106 | } | |
107 | ||
108 | if (vJ dbFyls.isE mpty ()) | |
109 | { | |
110 | th row new Me thodExcept ion ("BDB Environmen t Recovery Failed - No \".jdb\ " Files Fo und"); | |
111 | } | |
112 | ||
113 | Vector <Long> vJd bFylNums = new Vecto r<Long> () ; | |
114 | Map<Lo ng, File> mapJdbFyls = new Has htable<Lon g, File> ( ); | |
115 | for (F ile fyl : vJdbFyls) | |
116 | { | |
117 | in t idx1 = f yl.getName ().indexO f (".jdb") ; | |
118 | St ring fileN umTxt = fy l.getName ().substri ng (0, idx 1); | |
119 | Lo ng fileNum = new Lon g (Long.pa rseLong (f ileNumTxt, 16)); | |
120 | vJ dbFylNums. add (fileN um); | |
121 | ma pJdbFyls.p ut (fileNu m, fyl); | |
122 | } | |
123 | Collec tions.sort (vJdbFylN ums); | |
124 | ||
125 | Simple DateFormat sdf = new SimpleDat eFormat (" yyyy-MM-dd "); | |
126 | String dateTxt = sdf.forma t(new Date ()); | |
127 | File b ackupDir = new File (databaseD irectory.g etCanonica lPath() + fylSep + " BDBRecover erBackup-" + dateTxt ); | |
128 | backup Dir.mkdir (); | |
129 | ||
130 | logger .info ("Ba cking Up \ ".jdb\" Fi les To " + backupDir .getCanoni calPath () ); | |
131 | ||
132 | in t size = 1 000000; | |
133 | byte[] fil eBytes = n ew byte[si ze]; | |
134 | for (F ile fyl : vJdbFyls) | |
135 | { | |
136 | File ba kFyl = new File (bac kupDir.get CanonicalP ath () + f ylSep + fy l.getName ()); | |
137 | Buffe redOutputS tream bos = new Buff eredOutput Stream (ne w FileOutp utStream ( bakFyl)); | |
138 | ||
139 | Buffere dInputStre am bis = n ew Buffere dInputStre am (new Fi leInputStr eam (fyl)) ; | |
140 | int num Read = bis .read (fil eBytes); | |
141 | while ( numRead > 0) | |
142 | { | |
143 | bos.wr ite (fileB ytes, 0, n umRead); | |
144 | numR ead = bis. read (file Bytes); | |
145 | } | |
146 | bis.clo se (); | |
147 | ||
148 | bos.f lush (); | |
149 | bos.c lose (); | |
150 | } | |
151 | ||
152 | boolean is Unix = (fy lSep.equal s ("/") ? true : fal se); | |
153 | String scr ipt = (isU nix ? "dbv erify.sh" : "dbverif y.bat"); | |
154 | shellScrip t = new Fi le (System .getProper ty ("java. io.tmpdir" ) + fylSep + script) ; | |
155 | ||
156 | String jav aExe = "ja va"; | |
157 | String jav aHome = Sy stem.geten v ("JAVA_H OME"); | |
158 | if (javaHo me != null ) javaExe = "\"".con cat (javaH ome).conca t (fylSep) .concat (" bin").conc at (fylSep ).concat ( "java\""); | |
159 | ||
160 | String cat alinaHome = System.g etenv("CAT ALINA_HOME "); | |
161 | logger.inf o("Catalin a Home: [" + catalin aHome + "] "); | |
162 | logger.inf o("fylSep: [" + fylS ep + "]"); | |
163 | ||
164 | String lib Dir = cata linaHome + fylSep + "lib"; | |
165 | logger.inf o("libDir: [" + libD ir + "]"); | |
166 | File jeJar = new Fil e (libDir + fylSep + "je-3.2.7 6.jar"); | |
167 | logger.inf o("jeJar p ath [" + j eJar.getAb solutePath () + "]"); | |
168 | ||
169 | if (!jeJar .exists () ) | |
170 | { | |
171 | th row new Me thodExcept ion ("BDB Environmen t Recovery Failed - Can't Find File " + jeJar.getC anonicalPa th ()); | |
172 | } | |
173 | ||
174 | PrintWrite r pw = new PrintWrit er (new Fi leOutputSt ream (shel lScript)); | |
175 | if (isUnix ) pw.print ln ("#!/bi n/sh"); | |
176 | pw .println ( javaExe + " -cp \"" + jeJar.ge tCanonical Path () + "\" com.sl eepycat.je .util.DbVe rify -h \" " | |
177 | + datab aseDirecto ry.getCano nicalPath( ) + "\""); | |
178 | pw.flush ( ); | |
179 | pw.close ( ); | |
180 | ||
181 | shellScrip t.setExecu table (tru e); | |
182 | ||
183 | int jd bKtr = vJd bFylNums.s ize () - 1 ; | |
184 | while (jdbKtr >= 0) | |
185 | { | |
186 | Lo ng fileNum = (Long) vJdbFylNum s.get (jdb Ktr); | |
187 | Fi le jdbFyl = mapJdbFy ls.get (fi leNum); | |
188 | ||
189 | lo gger.info ("Verifyin g " + jdbF yl.getName ()); | |
190 | ||
191 | Fi le bakFyl = new File (jdbFyl.g etCanonica lPath () + ".bak"); | |
192 | jd bFyl.renam eTo (bakFy l); | |
193 | ||
194 | sb ConsoleOut put = new StringBuil der (); | |
195 | ||
196 | ap pProc = Ru ntime.getR untime (). exec (shel lScript.ge tCanonical Path ()); | |
197 | proces sFinished = false; | |
198 | proces sRunning = true; | |
199 | new Th read (this ).start () ; | |
200 | appPro c.waitFor (); | |
201 | proces sRunning = false; | |
202 | while (!processF inished); | |
203 | ||
204 | // logg er.info("D one proces sing: \n" + sbConsol eOutput.to String()); | |
205 | ||
206 | if (sb ConsoleOut put.toStri ng ().toLo werCase () .indexOf ( "exit stat us = true" ) >= 0) br eak; | |
207 | ||
208 | jd bKtr--; | |
209 | } | |
210 | ||
211 | for (F ile fyl : vJdbFyls) | |
212 | { | |
213 | Fi le bakFyl = new File (fyl.getC anonicalPa th () + ". bak"); | |
214 | if (bakFyl.e xists ()) bakFyl.del ete (); | |
215 | } | |
216 | ||
217 | if (jd bKtr < 0) | |
218 | { | |
219 | th row new Me thodExcept ion ("BDB Environmen t Recovery Failed - No Valid \ ".jdb\" Fi les Found" ); | |
220 | } | |
221 | ||
222 | Long fileN um = (Long ) vJdbFylN ums.get (j dbKtr); | |
223 | File jdbFy l = mapJdb Fyls.get ( fileNum); | |
224 | logger.inf o ("Proble m Found Wi th File " + jdbFyl.g etName () + | |
225 | ". Thi s And All Later File s Have Bee n Deleted. "); | |
226 | ||
227 | if (shellS cript != n ull && she llScript.e xists ()) shellScrip t.delete ( ); | |
228 | } | |
229 | ||
230 | catch (Da tabaseExce ption dbe) | |
231 | { | |
232 | t hrow (dbe) ; | |
233 | } | |
234 | ||
235 | catch (Ex ception x) | |
236 | { | |
237 | t hrow new M ethodExcep tion (x); | |
238 | } | |
239 | ||
240 | fin ally | |
241 | { | |
242 | if (shell Script != null && sh ellScript. exists ()) shellScri pt.delete (); | |
243 | } | |
244 | ||
245 | } // re cover | |
246 | ||
247 | ||
248 | /** | |
249 | * The script and its comma nds are ha ndled by a separate process. | |
250 | * Use this Threa d here to monitor an d capture any consol e output p roduced by | |
251 | * runn ing the sc ript. | |
252 | */ | |
253 | public void run ( ) | |
254 | { | |
255 | ||
256 | Buff eredInputS tream appI n = new Bu fferedInpu tStream (a ppProc.get InputStrea m ()); | |
257 | BufferedIn putStream appErr = n ew Buffere dInputStre am (appPro c.getError Stream ()) ; | |
258 | PrintStrea m appOut = new Print Stream (ap pProc.getO utputStrea m (), true ); | |
259 | ||
260 | whil e (true) | |
261 | { | |
262 | try | |
263 | { | |
264 | int nu mIn = 0; | |
265 | int nu mErr = 0; | |
266 | ||
267 | while ((numIn = appIn.avai lable ()) > 0) | |
268 | { | |
269 | by te[] bfr = new byte[ numIn]; | |
270 | ap pIn.read ( bfr, 0, nu mIn); | |
271 | // Sy stem.out.p rint (new String (bf r)); | |
272 | sbConsol eOutput.ap pend (new String (bf r)); | |
273 | } | |
274 | ||
275 | while ((numErr = appErr.av ailable () ) > 0) | |
276 | { | |
277 | by te[] bfr = new byte[ numErr]; | |
278 | ap pErr.read (bfr, 0, n umErr); | |
279 | // Sy stem.out.p rint (new String (bf r)); | |
280 | sbConsol eOutput.ap pend (new String (bf r)); | |
281 | } | |
282 | ||
283 | if (!process Running || processFi nished) br eak; | |
284 | } | |
285 | ||
286 | catch (Exception x) | |
287 | { | |
288 | // System .out.print ln (x.getC lass ().ge tName () + ": " + x. getMessage ()); | |
289 | lo gger.error (x.getCla ss ().getN ame () + " : " + x.ge tMessage ( )); | |
290 | sb ConsoleOut put.setLen gth (0); | |
291 | br eak; | |
292 | } | |
293 | } | |
294 | ||
295 | try | |
296 | { | |
297 | if (appOut != null) appOut.clo se (); | |
298 | if (appErr != null) appErr.clo se (); | |
299 | if (appIn != null) a ppIn.close (); | |
300 | } | |
301 | ||
302 | catc h (Excepti on ignore) | |
303 | { | |
304 | } | |
305 | ||
306 | appO ut = null; | |
307 | appE rr = null; | |
308 | appI n = null; | |
309 | ||
310 | proc essFinishe d = true; | |
311 | ||
312 | } // ru n | |
313 | ||
314 | } // class BDBRecove rer |
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