-
Notifications
You must be signed in to change notification settings - Fork 149
/
XrdCmsConfig.cc
2816 lines (2338 loc) · 95.3 KB
/
XrdCmsConfig.cc
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
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/******************************************************************************/
/* */
/* X r d C m s C o n f i g . c c */
/* */
/* (c) 2011 by the Board of Trustees of the Leland Stanford, Jr., University */
/* All Rights Reserved */
/* Produced by Andrew Hanushevsky for Stanford University under contract */
/* DE-AC02-76-SFO0515 with the Department of Energy */
/* */
/* This file is part of the XRootD software suite. */
/* */
/* XRootD is free software: you can redistribute it and/or modify it under */
/* the terms of the GNU Lesser General Public License as published by the */
/* Free Software Foundation, either version 3 of the License, or (at your */
/* option) any later version. */
/* */
/* XRootD is distributed in the hope that it will be useful, but WITHOUT */
/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
/* License for more details. */
/* */
/* You should have received a copy of the GNU Lesser General Public License */
/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
/* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
/* */
/* The copyright holder's institutional names and contributor's names may not */
/* be used to endorse or promote products derived from this software without */
/* specific prior written permission of the institution or contributor. */
/******************************************************************************/
/*
The methods in this file handle cmsd() initialization.
*/
#include <unistd.h>
#include <ctype.h>
#include <fcntl.h>
#include <strings.h>
#include <stdio.h>
#include <sys/param.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/un.h>
#include <dirent.h>
#include "XrdVersion.hh"
#include "Xrd/XrdScheduler.hh"
#include "XrdCms/XrdCmsAdmin.hh"
#include "XrdCms/XrdCmsBaseFS.hh"
#include "XrdCms/XrdCmsCache.hh"
#include "XrdCms/XrdCmsCluster.hh"
#include "XrdCms/XrdCmsConfig.hh"
#include "XrdCms/XrdCmsManager.hh"
#include "XrdCms/XrdCmsManTree.hh"
#include "XrdCms/XrdCmsMeter.hh"
#include "XrdCms/XrdCmsNode.hh"
#include "XrdCms/XrdCmsPrepare.hh"
#include "XrdCms/XrdCmsPrepArgs.hh"
#include "XrdCms/XrdCmsProtocol.hh"
#include "XrdCms/XrdCmsRole.hh"
#include "XrdCms/XrdCmsRRQ.hh"
#include "XrdCms/XrdCmsSecurity.hh"
#include "XrdCms/XrdCmsState.hh"
#include "XrdCms/XrdCmsSupervisor.hh"
#include "XrdCms/XrdCmsTrace.hh"
#include "XrdCms/XrdCmsXmi.hh"
#include "XrdCms/XrdCmsXmiReq.hh"
#include "XrdNet/XrdNetOpts.hh"
#include "XrdNet/XrdNetSecurity.hh"
#include "XrdNet/XrdNetSocket.hh"
#include "XrdOss/XrdOss.hh"
#include "XrdOuc/XrdOuca2x.hh"
#include "XrdOuc/XrdOucEnv.hh"
#include "XrdOuc/XrdOucExport.hh"
#include "XrdOuc/XrdOucN2NLoader.hh"
#include "XrdOuc/XrdOucProg.hh"
#include "XrdOuc/XrdOucStream.hh"
#include "XrdOuc/XrdOucUtils.hh"
#include "XrdSys/XrdSysDNS.hh"
#include "XrdSys/XrdSysError.hh"
#include "XrdSys/XrdSysHeaders.hh"
#include "XrdSys/XrdSysPlatform.hh"
#include "XrdSys/XrdSysPlugin.hh"
#include "XrdSys/XrdSysPthread.hh"
#include "XrdSys/XrdSysTimer.hh"
using namespace XrdCms;
/******************************************************************************/
/* G l o b a l O b j e c t s */
/******************************************************************************/
XrdCmsAdmin XrdCms::Admin;
XrdCmsBaseFS XrdCms::baseFS(&XrdCmsNode::do_StateDFS);
XrdCmsConfig XrdCms::Config;
XrdSysError XrdCms::Say(0, "");
XrdOucTrace XrdCms::Trace(&Say);
XrdScheduler *XrdCms::Sched = 0;
XrdCmsXmi *XrdCms::Xmi_Chmod = 0;
XrdCmsXmi *XrdCms::Xmi_Load = 0;
XrdCmsXmi *XrdCms::Xmi_Mkdir = 0;
XrdCmsXmi *XrdCms::Xmi_Mkpath = 0;
XrdCmsXmi *XrdCms::Xmi_Prep = 0;
XrdCmsXmi *XrdCms::Xmi_Rename = 0;
XrdCmsXmi *XrdCms::Xmi_Remdir = 0;
XrdCmsXmi *XrdCms::Xmi_Remove = 0;
XrdCmsXmi *XrdCms::Xmi_Select = 0;
XrdCmsXmi *XrdCms::Xmi_Space = 0;
XrdCmsXmi *XrdCms::Xmi_Stat = 0;
/******************************************************************************/
/* S e c u r i t y S y m b o l T i e - I n */
/******************************************************************************/
// The following is a bit of a kludge. The client side will use the xrootd
// security infrastructure if it exists. This is tipped off by the presence
// of the following symbol being non-zero. On the server side, we have no
// such symbol and need to provide one initialized to zero.
//
XrdSecProtocol *(*XrdXrootdSecGetProtocol)
(const char *hostname,
const struct sockaddr &netaddr,
const XrdSecParameters &parms,
XrdOucErrInfo *einfo)=0;
/******************************************************************************/
/* E x t e r n a l T h r e a d I n t e r f a c e s */
/******************************************************************************/
void *XrdCmsStartMonPerf(void *carg) { return Cluster.MonPerf(); }
void *XrdCmsStartMonRefs(void *carg) { return Cluster.MonRefs(); }
void *XrdCmsStartMonStat(void *carg) { return CmsState.Monitor(); }
void *XrdCmsStartAdmin(void *carg)
{return XrdCms::Admin.Start((XrdNetSocket *)carg);
}
void *XrdCmsStartAnote(void *carg)
{XrdCmsAdmin Anote;
return Anote.Notes((XrdNetSocket *)carg);
}
void *XrdCmsStartPreparing(void *carg)
{XrdCmsPrepArgs::Process();
return (void *)0;
}
void *XrdCmsStartSupervising(void *carg)
{XrdCmsSupervisor::Start();
return (void *)0;
}
/******************************************************************************/
/* d e f i n e s */
/******************************************************************************/
#define TS_String(x,m) if (!strcmp(x,var)) {free(m); m = strdup(val); return 0;}
#define TS_Xeq(x,m) if (!strcmp(x,var)) return m(eDest, CFile);
#define TS_Set(x,v) if (!strcmp(x,var)) {v=1; CFile.Echo(); return 0;}
#define TS_unSet(x,v) if (!strcmp(x,var)) {v=0; CFile.Echo(); return 0;}
/******************************************************************************/
/* C o n f i g u r e 1 */
/******************************************************************************/
int XrdCmsConfig::Configure1(int argc, char **argv, char *cfn)
{
/*
Function: Establish phase 1 configuration at start up time.
Input: argc - argument count
argv - argument vector
cfn - optional configuration file name
Output: 0 upon success or !0 otherwise.
*/
int NoGo = 0, immed = 0;
char c, buff[512];
extern int opterr, optopt;
// Prohibit this program from executing as superuser
//
if (geteuid() == 0)
{Say.Emsg("Config", "Security reasons prohibit cmsd running as "
"superuser; cmsd is terminating.");
_exit(8);
}
// Process the options
//
opterr = 0; optind = 1;
if (argc > 1 && '-' == *argv[1])
while ((c=getopt(argc,argv,"iw")) && ((unsigned char)c != 0xff))
{ switch(c)
{
case 'i': immed = 1;
break;
case 'w': immed = -1; // Backward compatability only
break;
default: buff[0] = '-'; buff[1] = optopt; buff[2] = '\0';
Say.Say("Config warning: unrecognized option, ",buff,", ignored.");
}
}
// Accept a single parameter defining the overiding major role
//
if (optind < argc)
{ if (!strcmp(argv[optind], "manager")) isManager = 1;
else if (!strcmp(argv[optind], "server" )) isServer = 1;
else if (!strcmp(argv[optind], "super" )) isServer = isManager = 1;
else Say.Say("Config warning: unrecognized parameter, ",
argv[optind],", ignored.");
}
// Bail if no configuration file specified
//
inArgv = argv; inArgc = argc;
if ((!(ConfigFN = cfn) && !(ConfigFN = getenv("XrdCmsCONFIGFN")))
|| !*ConfigFN)
{Say.Emsg("Config", "Required config file not specified.");
Usage(1);
}
// Establish my instance name
//
sprintf(buff, "%s@%s", XrdOucUtils::InstName(myInsName), myName);
myInstance = strdup(buff);
// Print herald
//
Say.Say("++++++ ", myInstance, " phase 1 initialization started.");
// If we don't know our role yet then we must find out before processing the
// config file. This means a double scan, sigh.
//
if (!(isManager || isServer))
if (!(NoGo |= ConfigProc(1)) && !(isManager || isServer))
{Say.Say("Config warning: role not specified; manager role assumed.");
isManager = -1;
}
// Process the configuration file
//
if (!NoGo) NoGo |= ConfigProc();
// Override the trace option
//
if (getenv("XRDDEBUG")) Trace.What = TRACE_ALL;
// Override the wait/nowait from the command line
//
if (immed) doWait = (immed > 0 ? 0 : 1);
// Determine the role
//
if (isManager < 0) isManager = 1;
if (isPeer < 0) isPeer = 1;
if (isProxy < 0) isProxy = 1;
if (isServer < 0) isServer = 1;
// Create a text description of our role for use in messages
//
if (!myRole)
{XrdCmsRole::RoleID rid;
if (isMeta) rid = XrdCmsRole::MetaManager;
else if (isPeer) rid = XrdCmsRole::Peer;
else if (isProxy)
{if (isManager) rid = (isServer ? XrdCmsRole::ProxySuper
: XrdCmsRole::ProxyManager);
else rid = XrdCmsRole::ProxyServer;
}
else if (isManager)
{if (isManager) rid = (isServer ? XrdCmsRole::Supervisor
: XrdCmsRole::Manager);
}
else rid = XrdCmsRole::Server;
strcpy(myRType, XrdCmsRole::Type(rid));
myRole = strdup(XrdCmsRole::Name(rid));
myRoleID = static_cast<int>(rid);
}
// Export the role IN basic form
//
XrdOucEnv::Export("XRDROLE", XrdCmsRole::Type(myRType));
// For managers, make sure that we have a well designated port.
// For servers or supervisors, force an ephemeral port to be used.
//
if (!NoGo)
{if ((isManager && !isServer) || isPeer)
{if (PortTCP <= 0)
{Say.Emsg("Config","port for this", myRole, "not specified.");
NoGo = 1;
}
}
else PortTCP = 0;
}
// If we are configured in proxy mode then we are running a shared filesystem
//
if (isProxy) baseFS.Init(XrdCmsBaseFS::DFSys | XrdCmsBaseFS::Immed |
(baseFS.Local() ? XrdCmsBaseFS::Cntrl : 0), 0, 0);
// Determine how we ended and return status
//
sprintf(buff, " phase 1 %s initialization %s.", myRole,
(NoGo ? "failed" : "completed"));
Say.Say("------ ", myInstance, buff);
return NoGo;
}
/******************************************************************************/
/* C o n f i g u r e 2 */
/******************************************************************************/
int XrdCmsConfig::Configure2()
{
/*
Function: Establish phase 2 configuration at start up time.
Input: None.
Output: 0 upon success or !0 otherwise.
*/
EPNAME("Configure2");
int Who, NoGo = 0;
char *p, buff[512];
// Print herald
//
sprintf(buff, " phase 2 %s initialization started.", myRole);
Say.Say("++++++ ", myInstance, buff);
// Fix up the QryMinum (we hard code 64 as the max) and P_gshr values.
// The QryMinum only applies to a metamanager and is set as 1 minus the min.
//
if (!isMeta) QryMinum = 0;
else if (QryMinum < 2) QryMinum = 0;
else if (QryMinum > 64) QryMinum = 64;
if (P_gshr < 0) P_gshr = 0;
else if (P_gshr > 100) P_gshr = 100;
// Determine who we are. If we are a manager or supervisor start the file
// location cache scrubber.
//
if (QryDelay < 0) QryDelay = LUPDelay;
if (isManager)
NoGo = !Cache.Init(cachelife, LUPDelay, QryDelay, baseFS.isDFS());
// Issue warning if the adminpath resides in /tmp
//
if (!strncmp(AdminPath, "/tmp/", 5))
Say.Say("Config warning: adminpath resides in /tmp and may be unstable!");
// Establish the path to be used for admin functions
//
p = XrdOucUtils::genPath(AdminPath,XrdOucUtils::InstName(myInsName,0),".olb");
free(AdminPath);
AdminPath = p;
// Setup the admin path (used in all roles)
//
if (!NoGo) NoGo = !(AdminSock = XrdNetSocket::Create(&Say, AdminPath,
(isManager|isPeer ? "olbd.nimda":"olbd.admin"),AdminMode));
// Develop a stable unique identifier for this cmsd independent of the port
//
if (!NoGo && !(mySID = setupSid()))
{Say.Emsg("cmsd", "Unable to generate system ID; too many managers.");
NoGo = 1;
} else {DEBUG("Global System Identification: " <<mySID);}
// If we need a name library, load it now
//
if ((LocalRoot || RemotRoot) && ConfigN2N()) NoGo = 1;
// Configure the OSS, the base filesystem, and initialize the prep queue
//
if (!NoGo) NoGo = ConfigOSS();
if (!NoGo) baseFS.Start();
if (!NoGo) PrepQ.Init();
// Setup manager or server, as needed
//
if (!NoGo && isManager) NoGo = setupManager();
if (!NoGo && (isServer || ManList)) NoGo = setupServer();
// If we are a solo peer then we have no servers and a lot of space and
// connections don't matter. Only one connection matters for a meta-manager.
// Servers, supervisors, and managers who have a meta manager must wait for
// for the local data server to connect so port mapping occurs. Otherwise,
// we indicate that it doesn't matter as the local server won't connect.
//
if (isPeer && isSolo)
{SUPCount = SUPLevel = 0; Meter.setVirtual(XrdCmsMeter::peerFS);}
else if (isManager)
{Meter.setVirtual(XrdCmsMeter::manFS);
if (isMeta) {SUPCount = 1; SUPLevel = 0;}
if (!ManList) CmsState.Update(XrdCmsState::FrontEnd, 1);
}
if (isManager) Who = (isServer ? -1 : 1);
else Who = 0;
CmsState.Set(SUPCount, Who, AdminPath);
// Create the pid file
//
if (!NoGo) NoGo |= PidFile();
// Load the XMI plugin
//
if (!NoGo && XmiPath) NoGo = setupXmi();
// All done, check for success or failure
//
sprintf(buff, " phase 2 %s initialization %s.", myRole,
(NoGo ? "failed" : "completed"));
Say.Say("------ ", myInstance, buff);
// The remainder of the configuration needs to be run in a separate thread
//
if (!NoGo) Sched->Schedule((XrdJob *)this);
// All done
//
return NoGo;
}
/******************************************************************************/
/* C o n f i g X e q */
/******************************************************************************/
int XrdCmsConfig::ConfigXeq(char *var, XrdOucStream &CFile, XrdSysError *eDest)
{
int dynamic;
// Determine whether is is dynamic or not
//
if (eDest) dynamic = 1;
else {dynamic = 0; eDest = &Say;}
// Process items
//
TS_Xeq("delay", xdelay); // Manager, dynamic
TS_Xeq("fxhold", xfxhld); // Manager, dynamic
TS_Xeq("ping", xping); // Manager, dynamic
TS_Xeq("sched", xsched); // Any, dynamic
TS_Xeq("space", xspace); // Any, dynamic
TS_Xeq("trace", xtrace); // Any, dynamic
if (!dynamic)
{
TS_Xeq("adminpath", xapath); // Any, non-dynamic
TS_Xeq("allow", xallow); // Manager, non-dynamic
TS_Xeq("altds", xaltds); // Server, non-dynamic
TS_Xeq("defaults", xdefs); // Server, non-dynamic
TS_Xeq("dfs", xdfs); // Any, non-dynamic
TS_Xeq("export", xexpo); // Any, non-dynamic
TS_Xeq("fsxeq", xfsxq); // Server, non-dynamic
TS_Xeq("localroot", xlclrt); // Any, non-dynamic
TS_Xeq("manager", xmang); // Server, non-dynamic
TS_Xeq("namelib", xnml); // Server, non-dynamic
TS_Xeq("osslib", xolib); // Any, non-dynamic
TS_Xeq("perf", xperf); // Server, non-dynamic
TS_Xeq("pidpath", xpidf); // Any, non-dynamic
TS_Xeq("prep", xprep); // Any, non-dynamic
TS_Xeq("prepmsg", xprepm); // Any, non-dynamic
TS_Xeq("remoteroot", xrmtrt); // Any, non-dynamic
TS_Xeq("repstats", xreps); // Any, non-dynamic
TS_Xeq("role", xrole); // Server, non-dynamic
TS_Xeq("seclib", xsecl); // Server, non-dynamic
TS_Set("wait", doWait); // Server, non-dynamic (backward compat)
TS_unSet("nowait", doWait); // Server, non-dynamic
TS_Xeq("xmilib", xxmi); // Any, non-dynamic
}
// The following are client directives that we will ignore
//
if (!strcmp(var, "conwait")
|| !strcmp(var, "request")) return 0;
// No match found, complain.
//
eDest->Say("Config warning: ignoring unknown directive '", var, "'.");
CFile.Echo();
return 0;
}
/******************************************************************************/
/* D o I t */
/******************************************************************************/
void XrdCmsConfig::DoIt()
{
XrdSysSemaphore SyncUp(0);
XrdCmsProtocol *pP;
XrdOucTList *tp;
pthread_t tid;
time_t eTime = time(0);
int wTime;
// Set doWait correctly. We only wait if we have to provide a data path. This
// include server, supervisors, and managers who have a meta-manager, only.
// Why? Because we never get a primary login if we are a mere manager.
//
if (isManager && !isServer && !ManList) doWait = 0;
else if (isServer && adsMon) doWait = 1;
// Start the notification thread if we need to
//
if (AnoteSock)
if (XrdSysThread::Run(&tid, XrdCmsStartAnote, (void *)AnoteSock,
0, "Notification handler"))
Say.Emsg("cmsd", errno, "start notification handler");
// Start the prepare handler
//
if (XrdSysThread::Run(&tid,XrdCmsStartPreparing,
(void *)0, 0, "Prep handler"))
Say.Emsg("cmsd", errno, "start prep handler");
// Start the supervisor subsystem
//
if (XrdCmsSupervisor::superOK)
{if (XrdSysThread::Run(&tid,XrdCmsStartSupervising,
(void *)0, 0, "supervisor"))
{Say.Emsg("cmsd", errno, "start", myRole);
return;
}
}
// Start the admin thread if we need to, we will not continue until told
// to do so by the admin interface.
//
if (AdminSock)
{XrdCmsAdmin::setSync(&SyncUp);
if (XrdSysThread::Run(&tid, XrdCmsStartAdmin, (void *)AdminSock,
0, "Admin traffic"))
Say.Emsg("cmsd", errno, "start admin handler");
SyncUp.Wait();
}
// Start the server subsystem. We check here to make sure we will not be
// tying to connect to ourselves. This is possible if the manager and meta-
// manager were defined to be the same and we are a manager. We would have
// liked to screen this out earlier but port discovery prevents it.
//
if (isManager || isServer || isPeer)
{tp = ManList;
while(tp)
{if (strcmp(tp->text, myName) || tp->val != PortTCP)
{pP = XrdCmsProtocol::Alloc(myRole, tp->text, tp->val);
Sched->Schedule((XrdJob *)pP);
} else {
char buff[512];
sprintf(buff, "%s:%d", tp->text, tp->val);
Say.Emsg("Config", "Circular connection to", buff, "ignored.");
}
tp = tp->next;
}
}
// Start state monitoring thread
//
if (XrdSysThread::Run(&tid, XrdCmsStartMonStat, (void *)0,
0, "State monitor"))
{Say.Emsg("Config", errno, "create state monitor thread");
return;
}
// If we are a manager then we must do a service enable after a service delay
//
if ((isManager || isPeer) && SRVDelay)
{wTime = SRVDelay - static_cast<int>((time(0) - eTime));
if (wTime > 0) XrdSysTimer::Wait(wTime*1000);
}
// All done
//
if (!SUPCount) CmsState.Update(XrdCmsState::Counts, 0, 0);
CmsState.Enable();
Say.Emsg("Config", myRole, "service enabled.");
}
/******************************************************************************/
/* G e n L o c a l P a t h */
/******************************************************************************/
/* GenLocalPath() generates the path that a file will have in the local file
system. The decision is made based on the user-given path (typically what
the user thinks is the local file system path). The output buffer where the
new path is placed must be at least XrdCmsMAX_PATH_LEN bytes long.
*/
int XrdCmsConfig::GenLocalPath(const char *oldp, char *newp)
{
if (lcl_N2N) return -(lcl_N2N->lfn2pfn(oldp, newp, XrdCmsMAX_PATH_LEN));
if (strlen(oldp) >= XrdCmsMAX_PATH_LEN) return -ENAMETOOLONG;
strcpy(newp, oldp);
return 0;
}
/******************************************************************************/
/* P r i v a t e F u n c t i o n s */
/******************************************************************************/
/******************************************************************************/
/* C o n f i g D e f a u l t s */
/******************************************************************************/
void XrdCmsConfig::ConfigDefaults(void)
{
extern long timezone;
static XrdVERSIONINFODEF(myVer, cmsd, XrdVNUMBER, XrdVERSION);
time_t myTime = time(0);
int myTZ, isEast = 0;
// Preset all variables with common defaults
//
myName = (char *)"localhost"; // Correctly set in Configure()
myDomain = 0;
LUPDelay = 5;
QryDelay =-1;
QryMinum = 0;
LUPHold = 178;
DRPDelay = 10*60;
PSDelay = 0;
RWDelay = 2;
SRVDelay = 90;
SUPCount = 1;
SUPLevel = 80;
SUPDelay = 15;
SUSDelay = 30;
MaxLoad = 0x7fffffff;
MsgTTL = 7;
PortTCP = 0;
P_cpu = 0;
P_fuzz = 20;
P_gsdf = 0;
P_gshr = 0;
P_io = 0;
P_load = 0;
P_mem = 0;
P_pag = 0;
AskPerf = 10; // Every 10 pings
AskPing = 60; // Every 1 minute
MaxDelay = -1;
LogPerf = 10; // Every 10 usage requests
DiskMin = 10240; // 10GB*1024 (Min partition space) in MB
DiskHWM = 11264; // 11GB*1024 (High Water Mark SUO) in MB
DiskMinP = 2;
DiskHWMP = 5;
DiskAsk = 12; // 15 Seconds between space calibrations.
DiskWT = 0; // Do not defer when out of space
DiskSS = 0; // Not a staging server
DiskOK = 0; // Does not have any disk
myPaths = (char *)""; // Default is 'r /'
ConfigFN = 0;
sched_RR = 0;
isManager= 0;
isMeta = 0;
isPeer = 0;
isSolo = 0;
isProxy = 0;
isServer = 0;
N2N_Lib = 0;
N2N_Parms= 0;
lcl_N2N = 0;
xeq_N2N = 0;
LocalRoot= 0;
RemotRoot= 0;
myInsName= 0;
RepStats = 0;
myRole =0;
myRType[0]=0;
myRoleID = XrdCmsRole::noRole;
ManList =0;
NanList =0;
mySID = 0;
perfint = 3*60;
perfpgm = 0;
AdminPath= strdup("/tmp/");
AdminMode= 0700;
AdminSock= 0;
AnoteSock= 0;
RedirSock= 0;
pidPath = strdup("/tmp");
Police = 0;
cachelife= 8*60*60;
pendplife= 60*60*24*7;
DiskLinger=0;
ProgCH = 0;
ProgMD = 0;
ProgMV = 0;
ProgRD = 0;
ProgRM = 0;
doWait = 1;
RefReset = 60*60;
RefTurn = 3*STMax*(DiskLinger+1);
XmiPath = 0;
XmiParms = 0;
DirFlags = 0;
SecLib = 0;
ossLib = 0;
ossParms = 0;
ossFS = 0;
myVInfo = &myVer;
adsPort = 0;
adsMon = 0;
adsProt = 0;
// Compute the time zone we are in
//
localtime(&myTime);
myTZ = timezone/(60*60);
if (myTZ <= 0) {isEast = 0x10; myTZ = -myTZ;}
if (myTZ > 12) myTZ = 12;
TimeZone = (myTZ | isEast);
}
/******************************************************************************/
/* C o n f i g N 2 N */
/******************************************************************************/
int XrdCmsConfig::ConfigN2N()
{
XrdOucN2NLoader n2nLoader(&Say, ConfigFN, N2N_Parms, LocalRoot, RemotRoot);
// Get the plugin
//
if (!(xeq_N2N = n2nLoader.Load(N2N_Lib, *myVInfo))) return 1;
// Optimize the local case
//
if (N2N_Lib || LocalRoot || (RemotRoot && XmiPath)) lcl_N2N = xeq_N2N;
// All done
//
PrepQ.setParms(lcl_N2N);
return 0;
}
/******************************************************************************/
/* C o n f i g O S S */
/******************************************************************************/
int XrdCmsConfig::ConfigOSS()
{
extern XrdOss *XrdOssGetSS(XrdSysLogger *, const char *, const char *,
const char *, XrdVersionInfo &);
// Set up environment for the OSS to keep it relevant for cmsd
//
XrdOucEnv::Export("XRDREDIRECT", "Q");
XrdOucEnv::Export("XRDOSSTYPE", "cms");
XrdOucEnv::Export("XRDOSSCSCAN", "off");
// If no osslib was specified but we are a proxy, then we must load the
// the proxy osslib.
//
if (!ossLib && isProxy) ossLib = strdup("libXrdPss.so");
// Load and return result
//
return !(ossFS=XrdOssGetSS(Say.logger(),ConfigFN,ossLib,ossParms,*myVInfo));
}
/******************************************************************************/
/* C o n f i g P r o c */
/******************************************************************************/
int XrdCmsConfig::ConfigProc(int getrole)
{
char *var;
int cfgFD, retc, NoGo = 0;
XrdOucEnv myEnv;
XrdOucStream CFile(&Say, getenv("XRDINSTANCE"), &myEnv, "=====> ");
// Try to open the configuration file.
//
if ( (cfgFD = open(ConfigFN, O_RDONLY, 0)) < 0)
{Say.Emsg("Config", errno, "open config file", ConfigFN);
return 1;
}
CFile.Attach(cfgFD);
// Turn off echoing if we are doing a pre-scan
//
if (getrole) CFile.SetEroute(0);
// Now start reading records until eof.
//
while((var = CFile.GetMyFirstWord()))
if (getrole)
{if (!strcmp("all.role", var) || !strcmp("olb.role", var))
if (xrole(&Say, CFile))
{CFile.SetEroute(&Say); CFile.Echo(); NoGo = 1;
CFile.SetEroute(0);
}
}
else if (!strncmp(var, "cms.", 4)
|| !strncmp(var, "olb.", 4) // Backward compatability
|| !strcmp(var, "ofs.osslib")
|| !strcmp(var, "oss.defaults")
|| !strcmp(var, "oss.localroot")
|| !strcmp(var, "oss.remoteroot")
|| !strcmp(var, "oss.namelib")
|| !strcmp(var, "all.adminpath")
|| !strcmp(var, "all.export")
|| !strcmp(var, "all.manager")
|| !strcmp(var, "all.pidpath")
|| !strcmp(var, "all.role")
|| !strcmp(var, "all.seclib"))
{if (ConfigXeq(var+4, CFile, 0)) {CFile.Echo(); NoGo = 1;}}
else if (!strcmp(var, "oss.stagecmd")) DiskSS = 1;
// Now check if any errors occured during file i/o
//
if ((retc = CFile.LastError()))
NoGo = Say.Emsg("Config", retc, "read config file", ConfigFN);
CFile.Close();
// Merge Paths as needed
//
if (!getrole && ManList) NoGo |= MergeP();
// Return final return code
//
return NoGo;
}
/******************************************************************************/
/* i s E x e c */
/******************************************************************************/
int XrdCmsConfig::isExec(XrdSysError *eDest, const char *ptype, char *prog)
{
char buff[512], pp, *mp = prog;
// Isolate the program name
//
while(*mp && *mp != ' ') mp++;
pp = *mp; *mp ='\0';
// Make sure the program is executable by us
//
if (access(prog, X_OK))
{sprintf(buff, "find %s execuatble", ptype);
eDest->Emsg("Config", errno, buff, prog);
*mp = pp;
return 0;
}
// All is well
//
*mp = pp;
return 1;
}
/******************************************************************************/
/* M e r g e P */
/******************************************************************************/
int XrdCmsConfig::MergeP()
{
static const unsigned long long stage4MM = XRDEXP_STAGEMM & ~XRDEXP_STAGE;
XrdOucPList *plp = PexpList.First();
XrdCmsPList *pp;
XrdCmsPInfo opinfo, npinfo;
const char *ptype;
char *pbP;
unsigned long long Opts;
int pbLen = 0, NoGo = 0, export2MM = isManager && !isServer;
npinfo.rovec = 1;
// For each path in the export list merge it into the path list
//
while(plp)
{Opts = plp->Flag();
if (!(Opts & XRDEXP_LOCAL))
{npinfo.rwvec = (Opts & (XRDEXP_GLBLRO | XRDEXP_NOTRW) ? 0 : 1);
if (export2MM) npinfo.ssvec = (Opts & stage4MM ? 1 : 0);
else npinfo.ssvec = (Opts & XRDEXP_STAGE ? 1 : 0);
if (!PathList.Add(plp->Path(), &npinfo))
Say.Emsg("Config","Ignoring duplicate export path",plp->Path());
else if (npinfo.ssvec) DiskSS = 1;
}
plp = plp->Next();
}
// Document what we will be declaring as available
//
if (!NoGo)
{const char *Who = (isManager ? (isServer ? "manager:" : "meta-manager:")
: "redirector:");
Say.Say("The following paths are available to the ", Who);
if (!(pp = PathList.First())) Say.Say("r /");
else while(pp)
{ptype = pp->PType();
Say.Say(ptype, (strlen(ptype) > 1 ? " " : " "), pp->Path());
pbLen += strlen(pp->Path())+8; pp = pp->Next();
}
Say.Say(" ");
}
// Now allocate a buffer and place all of the paths into that buffer to be
// sent during the login phase.
//
if (pbLen != 0 && (pp = PathList.First()))
{pbP = myPaths = (char *)malloc(pbLen);
while(pp)
{pbP += sprintf(pbP, "\n%s %s", pp->PType(), pp->Path());
pp = pp->Next();
}
myPaths++;
}
// All done update the staging status (it's nostage by default)
//
if (DiskSS) CmsState.Update(XrdCmsState::Counts, 0, 1);
return NoGo;
}
/******************************************************************************/
/* P i d F i l e */
/******************************************************************************/
int XrdCmsConfig::PidFile()
{
int rc, xfd;
const char *clID;
char buff[1024];
char pidFN[1200], *ppath=XrdOucUtils::genPath(pidPath,
XrdOucUtils::InstName(myInsName,0));
const char *xop = 0;
if ((rc = XrdOucUtils::makePath(ppath, XrdOucUtils::pathMode)))
{Say.Emsg("Config", rc, "create pid file path", ppath);
free(ppath);
return 1;
}
if ((clID = index(mySID, ' '))) clID++;
else clID = mySID;
if (isManager && isServer)
snprintf(pidFN, sizeof(pidFN), "%s/cmsd.super.pid", ppath);
else if (isServer)
snprintf(pidFN, sizeof(pidFN), "%s/cmsd.pid", ppath);
else snprintf(pidFN, sizeof(pidFN), "%s/cmsd.mangr.pid", ppath);
if ((xfd = open(pidFN, O_WRONLY|O_CREAT|O_TRUNC,0644)) < 0) xop = "open";
else {if ((write(xfd,buff,snprintf(buff,sizeof(buff),"%d",
static_cast<int>(getpid()))) < 0)
|| (LocalRoot &&
(write(xfd,(void *)"\n&pfx=",6) < 0 ||
write(xfd,(void *)LocalRoot,strlen(LocalRoot)) < 0
) )
|| (AdminPath &&
(write(xfd,(void *)"\n&ap=", 5) < 0 ||
write(xfd,(void *)AdminPath,strlen(AdminPath)) < 0
) )
|| write(xfd,(void *)"\n&cn=", 5) < 0
|| write(xfd,(void *)clID, strlen(clID)) < 0
) xop = "write";
close(xfd);
}
if (xop) Say.Emsg("Config", errno, xop, pidFN);
else XrdOucEnv::Export("XRDCMSPIDFN", pidFN);
free(ppath);
return xop != 0;
}
/******************************************************************************/
/* s e t u p M a n a g e r */
/******************************************************************************/
int XrdCmsConfig::setupManager()
{
pthread_t tid;
int rc;
// Setup supervisor mode if we are also a server