-
Notifications
You must be signed in to change notification settings - Fork 7
/
Copy pathfenix_data_recovery.cpp
1128 lines (971 loc) · 38.9 KB
/
fenix_data_recovery.cpp
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
/*
//@HEADER
// ************************************************************************
//
//
// _|_|_|_| _|_|_|_| _| _| _|_|_| _| _|
// _| _| _|_| _| _| _| _|
// _|_|_| _|_|_| _| _| _| _| _|
// _| _| _| _|_| _| _| _|
// _| _|_|_|_| _| _| _|_|_| _| _|
//
//
//
//
// Copyright (C) 2016 Rutgers University and Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "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 SANDIA CORPORATION OR THE
// 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.
//
// Author Marc Gamell, Eric Valenzuela, Keita Teranishi, Manish Parashar,
// Michael Heroux, and Matthew Whitlock
//
// Questions? Contact Keita Teranishi ([email protected]) and
// Marc Gamell ([email protected])
//
// ************************************************************************
//@HEADER
*/
#include "fenix_data_recovery.h"
#include "fenix_data_policy.h"
#include "fenix_opt.h"
//#include "fenix_process_recovery.h"
#include "fenix_util.h"
#include "fenix_ext.h"
#include <mpi-ext.h>
/**
* @brief create new group or recover group data for lost processes
* @param groud_id
* @param comm
* @param time_start
* @param depth
*/
int __fenix_group_create( int groupid, MPI_Comm comm, int timestart, int depth, int policy_name,
void* policy_value, int* flag) {
int retval = -1;
/* Retrieve the array index of the group maintained under the cover. */
int group_index = __fenix_search_groupid( groupid, fenix.data_recovery );
if (fenix.options.verbose == 12) {
verbose_print("c-rank: %d, group_index: %d\n", __fenix_get_current_rank(fenix.new_world), group_index);
}
/* Check the integrity of user's input */
if ( timestart < 0 ) {
debug_print("ERROR Fenix_Data_group_create: time_stamp <%d> must be greater than or equal to zero\n", timestart);
retval = FENIX_ERROR_INVALID_TIMESTAMP;
} else if ( depth < -1 ) {
debug_print("ERROR Fenix_Data_group_create: depth <%d> must be greater than or equal to -1\n",depth);
retval = FENIX_ERROR_INVALID_DEPTH;
} else {
/* This code block checks the need for data recovery. */
/* If so, recover the data and set the recovery */
/* for member recovery. */
int i;
int remote_need_recovery;
fenix_group_t *group;
MPI_Status status;
fenix_data_recovery_t *data_recovery = fenix.data_recovery;
/* Initialize Group. The group hasn't been created. */
/* I am either a brand-new process or a recovered process. */
if (group_index == -1 ) {
if (fenix.options.verbose == 12 && __fenix_get_current_rank(comm) == 0) {
printf("this is a new group!\n");
}
/* Obtain an available group slot */
group_index = __fenix_find_next_group_position(data_recovery);
/* Initialize Group */
__fenix_policy_get_group(data_recovery->group + group_index, comm, timestart,
depth, policy_name, policy_value, flag);
//The group has filled any group-specific details, we need to fill in the core details.
group = (data_recovery->group[ group_index ] );
group->groupid = groupid;
group->timestart = timestart;
group->timestamp = -1; //indicates no commits yet
group->depth = depth;
group->member = __fenix_data_member_init();
group->comm = comm;
MPI_Comm_rank(comm, &(group->current_rank));
//Update the count AFTER finding next group position.
data_recovery->count++;
if ( fenix.options.verbose == 12) {
verbose_print(
"c-rank: %d, g-groupid: %d, g-timestart: %d, g-depth: %d\n",
__fenix_get_current_rank(fenix.new_world), group->groupid,
group->timestart,
group->depth);
}
} else { /* Already created. Renew the MPI communicator */
group = ( data_recovery->group[group_index] );
group->comm = comm; /* Renew communicator */
MPI_Comm_rank(comm, &(group->current_rank));
//Reinit group metadata as needed w/ new communicator.
group->vtbl.reinit(group, flag);
}
/* Global agreement among the group */
retval = FENIX_SUCCESS;
}
return retval;
}
int __fenix_group_get_redundancy_policy(int groupid, int* policy_name, int* policy_value, int* flag){
int retval = -1;
int group_index = __fenix_search_groupid( groupid, fenix.data_recovery );
if(group_index == -1){
debug_print("ERROR Fenix_Data_member_create: group_id <%d> does not exist\n",
groupid);
retval = FENIX_ERROR_INVALID_GROUPID;
} else {
fenix_group_t* group = fenix.data_recovery->group[group_index];
retval = group->vtbl.get_redundant_policy(group, policy_name, policy_value, flag);
}
return retval;
}
/**
* @brief
* @param group_id
* @param member_id
* @param data
* @param count
* @param data_type
*/
int __fenix_member_create(int groupid, int memberid, void *data, int count, int datatype_size ) {
int retval = -1;
int group_index = __fenix_search_groupid( groupid, fenix.data_recovery );
int member_index = -1;
if(group_index != -1) member_index = __fenix_search_memberid(fenix.data_recovery->group[group_index]->member, memberid );
if (fenix.options.verbose == 13) {
verbose_print("c-rank: %d, group_index: %d, member_index: %d\n",
__fenix_get_current_rank(fenix.new_world),
group_index, member_index);
}
if (group_index == -1) {
debug_print("ERROR Fenix_Data_member_create: group_id <%d> does not exist\n",
groupid);
retval = FENIX_ERROR_INVALID_GROUPID;
} else if (member_index != -1) {
debug_print("ERROR Fenix_Data_member_create: member_id <%d> already exists\n",
memberid);
retval = FENIX_ERROR_INVALID_MEMBERID;
} else {
fenix_group_t *group = (fenix.data_recovery->group[group_index]);
fenix_member_t *member = group->member;
//First, we'll make a fenix-core member entry, then pass that info to
//the specific data policy.
fenix_member_entry_t* mentry;
mentry = __fenix_data_member_add_entry(member, memberid, data, count, datatype_size);
//Pass the info along to the policy
retval = group->vtbl.member_create(group, mentry);
}
return retval;
/* No Potential Bug in 2/10/17 */
}
/**
* @brief
* @param request
*/
int __fenix_data_wait( Fenix_Request request ) {
int retval = -1;
int result = __fenix_mpi_wait(&(request.mpi_recv_req));
if (result != MPI_SUCCESS) {
retval = FENIX_SUCCESS;
} else {
retval = FENIX_ERROR_DATA_WAIT;
}
result = __fenix_mpi_wait(&(request.mpi_send_req));
if (result != MPI_SUCCESS) {
retval = FENIX_SUCCESS;
} else {
retval = FENIX_ERROR_DATA_WAIT;
}
return retval;
}
/**
* @brief
* @param request
* @param flag
*/
int __fenix_data_test(Fenix_Request request, int *flag) {
int retval = -1;
int result = ( __fenix_mpi_test(&(request.mpi_recv_req)) & __fenix_mpi_test(&(request.mpi_send_req))) ;
if ( result == 1 ) {
*flag = 1;
retval = FENIX_SUCCESS;
} else {
*flag = 0 ; // incomplete error?
retval = FENIX_ERROR_DATA_WAIT;
}
return retval;
/* Good 2/10/17 */
}
/**
* @brief // TODO: implement FENIX_DATA_MEMBER_ALL
* @param group_id
* @param member_id
* @param subset_specifier
*
*/
int __fenix_member_store(int groupid, int memberid, Fenix_Data_subset specifier) {
int retval = -1;
int group_index = __fenix_search_groupid(groupid, fenix.data_recovery );
int member_index = -1;
/* Check if the member id already exists. If so, the index of the storage space is assigned */
if (group_index !=-1 && memberid != FENIX_DATA_MEMBER_ALL) {
member_index = __fenix_search_memberid(fenix.data_recovery->group[group_index]->member, memberid );
}
if (fenix.options.verbose == 18 && fenix.data_recovery->group[group_index]->current_rank== 0 ) {
verbose_print(
"c-rank: %d, role: %d, group_index: %d, member_index: %d memberid: %d\n",
__fenix_get_current_rank(fenix.new_world), fenix.role, group_index,
member_index, memberid);
}
if (group_index == -1) {
debug_print("ERROR Fenix_Data_member_store: group_id <%d> does not exist\n", groupid);
retval = FENIX_ERROR_INVALID_GROUPID;
} else if (member_index == -1) {
debug_print("ERROR Fenix_Data_member_store: member_id <%d> does not exist\n",
memberid);
retval = FENIX_ERROR_INVALID_MEMBERID;
} else {
fenix_group_t *group = (fenix.data_recovery->group[group_index]);
retval = group->vtbl.member_store(group, memberid, specifier);
}
return retval;
}
/**
* @brief
* @param group_id
* @param member_id
* @param subset_specifier
* @param request
*/
int __fenix_member_istore(int groupid, int memberid, Fenix_Data_subset specifier,
Fenix_Request *request) {
int retval = -1;
int group_index = __fenix_search_groupid(groupid, fenix.data_recovery );
int member_index = -1;
/* Check if the member id already exists. If so, the index of the storage space is assigned */
if (group_index !=-1 && memberid != FENIX_DATA_MEMBER_ALL) {
member_index = __fenix_search_memberid(fenix.data_recovery->group[group_index]->member, memberid );
}
if (fenix.options.verbose == 18 && fenix.data_recovery->group[group_index]->current_rank== 0 ) {
verbose_print(
"c-rank: %d, role: %d, group_index: %d, member_index: %d memberid: %d\n",
__fenix_get_current_rank(fenix.new_world), fenix.role, group_index,
member_index, memberid);
}
if (group_index == -1) {
debug_print("ERROR Fenix_Data_member_store: group_id <%d> does not exist\n", groupid);
retval = FENIX_ERROR_INVALID_GROUPID;
} else if (member_index == -1) {
debug_print("ERROR Fenix_Data_member_store: member_id <%d> does not exist\n",
memberid);
retval = FENIX_ERROR_INVALID_MEMBERID;
} else {
fenix_group_t *group = (fenix.data_recovery->group[group_index]);
retval = group->vtbl.member_istore(group, memberid, specifier, request);
}
return retval;
}
void __fenix_subset(fenix_group_t *group, fenix_member_entry_t *me, Fenix_Data_subset *ss) {
#if 1
fprintf(stderr,"ERROR Fenix_Subset is not currently supported\n");
#else
fenix_version_t *version = &(me->version);
fenix_local_entry_t *lentry = &(version->local_entry[version->position]);
fenix_remote_entry_t *rentry = &(version->remote_entry[version->position]);
int i;
MPI_Status status;
/* Store the local data */
/* This version does not apply any storage saving scheme */
memcpy(lentry->data, lentry->pdata, (lentry->count * lentry->size));
/* Check the subset */
int subset_total_size = 0;
for( i = 0; i < ss->num_blocks; i++ ) {
int subset_start = ss->start_offset[i];
int subset_end = ss->start_offset[i];
int subset_stride = ss->start_offset[i];
}
subset_total_size = ss->num_blocks * ss->fblk_size;
/* Create a buffer for sending data (lentry->size is a size of single element ) */
void *subset_data = (void *) s_malloc(me->datatype_size * subset_total_size );
/* This data exchange is not necessary when using non-v call */
member_store_packet_t lentry_packet, rentry_packet;
lentry_packet.rank = lentry->currentrank;
lentry_packet.datatype = lentry->datatype;
lentry_packet.entry_count = lentry->count;
lentry_packet.entry_size = subset_total_size;
int current_rank = __fenix_get_current_rank(fenix.new_world);
int current_role = fenix.role;
MPI_Sendrecv(&lentry_packet, sizeof(member_store_packet_t), MPI_BYTE, ge->out_rank,
STORE_SIZE_TAG, &rentry_packet, sizeof(member_store_packet_t), MPI_BYTE,
ge->in_rank, STORE_SIZE_TAG, (ge->comm), &status);
rentry->remoterank = rentry_packet.rank;
rentry->datatype = rentry_packet.datatype;
rentry->count = rentry_packet.entry_count;
rentry->size = rentry_packet.entry_size;
if (rentry->data != NULL) {
rentry->data = s_malloc(rentry->count * rentry->size);
}
/* Partner is sending subset */
if( rentry->size != rentry->count ) {
/* Receive # of blocks */
}
/* Handle Subset */
int subset_num_blocks = ss->num_blocks;
int subset_start = ss->start_offsets[0];
int subset_end = ss->end_offsets[0];
int subset_stride = ss->stride;
int subset_diff = subset_end - subset_start;
int subset_count = subset_num_blocks * subset_diff;
int subset_block = 0;
int subset_index = 0;
void *subset_data = (void *) s_malloc(sizeof(void) * me->current_count);
int data_index;
int data_steps = 0;
int data_count = me->current_count;
for (data_index = subset_start; (subset_block != subset_num_blocks - 1) &&
(data_index < data_count); data_index++) {
if (data_steps != subset_diff) {
MPI_Sendrecv((lentry->data) + data_index, (1 * lentry->size), MPI_BYTE, ge->out_rank,
STORE_DATA_TAG, (rentry->data) + data_index, (1 * rentry->size), MPI_BYTE,
ge->in_rank, STORE_DATA_TAG, ge->comm, &status);
// memcpy((subset_data) + data_index, (me->current_buf) + data_index, sizeof(me->current_datatype));
data_steps = data_steps + 1;
} else if (data_steps == subset_diff) {
data_steps = 0;
subset_block = subset_block + 1;
data_index = data_index + subset_stride - 1;
}
}
/* Need to update the version info */
if (version->position < version->size - 1) {
version->num_copies++;
version->position++;
} else { /* Back to 0 */
version->position = 0;
}
#endif
}
#if 0
/**
* @brief
* @param group_id
* @param member_id
* @param subset_specifier
*/
int __fenix_member_storev(int group_id, int member_id, Fenix_Data_subset subset_specifier) {
/*
* Using the same routine for v and non-v routine.
*/
int retval = -1;
int group_index = __fenix_search_groupid( group_id, fenix.data_recovery );
int member_index = __fenix_search_memberid(group_index, member_id);
if (group_index == -1) {
debug_print("ERROR Fenix_Data_member_storev: group_id <%d> does not exist\n",
group_id);
retval = FENIX_ERROR_INVALID_GROUPID;
} else if (member_index == -1) {
debug_print("ERROR Fenix_Data_member_storev: member_id <%d> does not exist\n",
member_id);
retval = FENIX_ERROR_INVALID_MEMBERID;
} else {
fenix_group_t *group = fenix.data_recovery;
fenix_group_entry_t *gentry = &(group->group_entry[group_index]);
fenix_member_t *member = &(gentry->member);
__fenix_ensure_version_capacity(member);
fenix_member_entry_t *mentry = &(member->member_entry[member_index]);
fenix_version_t *version = &(mentry->version);
fenix_local_entry_t *lentry = &(version->local_entry[version->position]);
fenix_remote_entry_t *rentry = &(version->remote_entry[version->position]);
retval = FENIX_SUCCESS;
}
return retval;
}
#endif
#if 0
/**
* @brief
* @param group_id
* @param member_id
* @param subset_specifier
* @param request
*/
int __fenix_member_istorev(int group_id, int member_id, Fenix_Data_subset subset_specifier,
Fenix_Request *request) {
int retval = -1;
int group_index = __fenix_search_groupid(group_id, __fenixi_g_data_recovery );
int member_index = __fenix_search_memberid(group_index, member_id);
if (group_index == -1) {
debug_print("ERROR Fenix_Data_member_istorev: group_id <%d> does not exist\n",
group_id);
retval = FENIX_ERROR_INVALID_GROUPID;
} else if (member_index == -1) {
debug_print("ERROR Fenix_Data_member_istorev: member_id <%d> does not exist\n",
member_id);
retval = FENIX_ERROR_INVALID_MEMBERID;
} else {
fenix_group_t *group = fenix.data_recovery;
fenix_group_entry_t *gentry = &(group->group_entry[group_index]);
fenix_member_t *member = &(gentry->member);
__fenix_ensure_version_capacity(member);
fenix_member_entry_t *mentry = &(member->member_entry[member_index]);
fenix_version_t *version = &(mentry->version);
fenix_local_entry_t *lentry = &(version->local_entry[version->position]);
fenix_remote_entry_t *rentry = &(version->remote_entry[version->position]);
retval = FENIX_SUCCESS;
}
return retval;
}
#endif
/**
* @brief
* @param group_id
* @param time_stamp
*/
int __fenix_data_commit(int groupid, int *timestamp) {
/* No communication is performed */
/* Return the new timestamp */
int retval = -1;
int group_index = __fenix_search_groupid(groupid, fenix.data_recovery );
if (fenix.options.verbose == 22) {
verbose_print("c-rank: %d, role: %d, group_index: %d\n", __fenix_get_current_rank(fenix.new_world), fenix.role, group_index);
}
if (group_index == -1) {
debug_print("ERROR Fenix_Data_commit: group_id <%d> does not exist\n", groupid);
retval = FENIX_ERROR_INVALID_GROUPID;
} else {
fenix_group_t *group = (fenix.data_recovery->group[group_index]);
if (group->timestamp != -1) group->timestamp++;
else group->timestamp = group->timestart;
group->vtbl.commit(group);
if (timestamp != NULL) {
*timestamp = group->timestamp;
}
retval = FENIX_SUCCESS;
}
return retval;
}
/**
* @brief
* @param group_id
* @param time_stamp
*/
int __fenix_data_commit_barrier(int groupid, int *timestamp) {
int retval = -1;
int group_index = __fenix_search_groupid(groupid, fenix.data_recovery );
if (fenix.options.verbose == 23) {
verbose_print("c-rank: %d, role: %d, group_index: %d\n",
__fenix_get_current_rank(fenix.new_world), fenix.role, group_index);
}
if (group_index == -1) {
debug_print("ERROR Fenix_Data_commit: group_id <%d> does not exist\n", groupid);
retval = FENIX_ERROR_INVALID_GROUPID;
} else {
fenix_group_t *group = (fenix.data_recovery->group[group_index]);
//We want to make sure there aren't any failed MPI operations (IE unfinished stores)
//But we don't want to fail to commit if a failure has happened since a successful store.
int old_failure_handling = fenix.ignore_errs;
fenix.ignore_errs = 1;
int can_commit = 0;
//We'll use comm_agree as a resilient barrier
//Our error handler also enters an agree, with a unique location bit set.
//So if we aren't all here, we've hit an error already.
int location = FENIX_DATA_COMMIT_BARRIER_LOC;
int ret = MPIX_Comm_agree(*fenix.user_world, &location);
if(location == FENIX_DATA_COMMIT_BARRIER_LOC) can_commit = 1;
fenix.ignore_errs = old_failure_handling;
if(can_commit == 1){
if (group->timestamp != -1) group->timestamp++;
else group->timestamp = group->timestart;
retval = group->vtbl.commit(group);
}
if(can_commit != 1 || ret != MPI_SUCCESS) {
//A rank failure has happened, lets trigger error handling if enabled.
int throwaway = 1;
MPI_Allreduce(MPI_IN_PLACE, &throwaway, 1, MPI_INT, MPI_SUM, *fenix.user_world);
}
if (timestamp != NULL) {
*timestamp = group->timestamp;
}
}
return retval;
}
/**
* @brief
* @param group_id
* @param member_id
* @param data
* @param max_count
* @param time_stamp
*/
int __fenix_member_restore(int groupid, int memberid, void *data, int maxcount, int timestamp, Fenix_Data_subset* data_found) {
int retval = FENIX_SUCCESS;
int group_index = __fenix_search_groupid(groupid, fenix.data_recovery);
int member_index = -1;
if(group_index != -1) member_index = __fenix_search_memberid(fenix.data_recovery->group[group_index]->member, memberid);
if (fenix.options.verbose == 25) {
verbose_print("c-rank: %d, role: %d, group_index: %d, member_index: %d\n",
__fenix_get_current_rank(fenix.new_world), fenix.role, group_index,
member_index);
}
if (group_index == -1) {
debug_print("ERROR Fenix_Data_member_restore: group_id <%d> does not exist\n",
groupid);
retval = FENIX_ERROR_INVALID_GROUPID;
} else {
fenix_group_t *group = (fenix.data_recovery->group[group_index]);
retval = group->vtbl.member_restore(group, memberid, data, maxcount, timestamp, data_found);
}
return retval;
}
/**
* @brief
* @param group_id
* @param member_id
* @param data
* @param max_count
* @param time_stamp
*/
int __fenix_member_lrestore(int groupid, int memberid, void *data, int maxcount, int timestamp, Fenix_Data_subset* data_found) {
int retval = FENIX_SUCCESS;
int group_index = __fenix_search_groupid(groupid, fenix.data_recovery);
int member_index = -1;
if(group_index != -1) member_index = __fenix_search_memberid(fenix.data_recovery->group[group_index]->member, memberid);
if (fenix.options.verbose == 25) {
verbose_print("c-rank: %d, role: %d, group_index: %d, member_index: %d\n",
__fenix_get_current_rank(fenix.new_world), fenix.role, group_index,
member_index);
}
if (group_index == -1) {
debug_print("ERROR Fenix_Data_member_lrestore: group_id <%d> does not exist\n",
groupid);
retval = FENIX_ERROR_INVALID_GROUPID;
} else {
fenix_group_t *group = (fenix.data_recovery->group[group_index]);
retval = group->vtbl.member_lrestore(group, memberid, data, maxcount, timestamp, data_found);
}
return retval;
}
/**
* @brief
* @param group_id
* @param member_id
* @param target_buffer
* @param max_count
* @param time_stamp
* @param source_rank
*/
int __fenix_member_restore_from_rank(int groupid, int memberid, void *target_buffer,
int max_count, int time_stamp, int source_rank) {
int retval = FENIX_SUCCESS;
int group_index = __fenix_search_groupid(groupid, fenix.data_recovery);
int member_index = -1;
if(group_index != -1) member_index = __fenix_search_memberid(fenix.data_recovery->group[group_index]->member, memberid);
if (fenix.options.verbose == 25) {
verbose_print("c-rank: %d, role: %d, group_index: %d, member_index: %d\n",
__fenix_get_current_rank(fenix.new_world), fenix.role, group_index,
member_index);
}
if (group_index == -1) {
debug_print("ERROR Fenix_Data_member_restore: group_id <%d> does not exist\n",
groupid);
retval = FENIX_ERROR_INVALID_GROUPID;
} else {
fenix_group_t *group = (fenix.data_recovery->group[group_index]);
retval = group->vtbl.member_restore_from_rank(group, memberid, target_buffer,
max_count, time_stamp, source_rank);
}
return retval;
}
/**
* @brief
* @param group_id
* @param num_members
*/
int __fenix_get_number_of_members(int group_id, int *num_members) {
int retval = -1;
int group_index = __fenix_search_groupid(group_id, fenix.data_recovery );
if (group_index == -1) {
debug_print("ERROR Fenix_Data_commit: group_id <%d> does not exist\n", group_id);
retval = FENIX_ERROR_INVALID_GROUPID;
} else {
fenix_group_t *group = (fenix.data_recovery->group[group_index]);
*num_members = group->member->count;
retval = FENIX_SUCCESS;
}
return retval;
}
/**
* @brief
* @param group_id
* @param member_id
* @param position
*/
int __fenix_get_member_at_position(int group_id, int *member_id, int position) {
int retval = -1;
int group_index = __fenix_search_groupid(group_id, fenix.data_recovery);
if (group_index == -1) {
debug_print("ERROR Fenix_Data_commit: group_id <%d> does not exist\n", group_id);
retval = FENIX_ERROR_INVALID_GROUPID;
} else {
fenix_group_t *group = (fenix.data_recovery->group[group_index]);
fenix_member_t *member = group->member;
if (position < 0 || position > (member->total_size) - 1) {
debug_print(
"ERROR Fenix_Data_group_get_member_at_position: position <%d> must be a value between 0 and number_of_members-1 \n",
position);
retval = FENIX_ERROR_INVALID_POSITION;
} else {
int member_index = ((member->total_size) - 1) - position;
fenix_member_entry_t *mentry = &(member->member_entry[member_index]);
*member_id = mentry->memberid;
retval = FENIX_SUCCESS;
}
}
return retval;
}
/**
* @brief
* @param group_id
* @param num_snapshots
*/
int __fenix_get_number_of_snapshots(int group_id, int *num_snapshots) {
int retval = -1;
int group_index = __fenix_search_groupid(group_id, fenix.data_recovery );
if (group_index == -1) {
debug_print("ERROR Fenix_Data_commit: group_id <%d> does not exist\n", group_id);
retval = FENIX_ERROR_INVALID_GROUPID;
} else {
fenix_group_t *group = (fenix.data_recovery->group[group_index]);
retval = group->vtbl.get_number_of_snapshots(group, num_snapshots);
}
return retval;
}
/**
* @brief
* @param group_id
* @param position
* @param time_stamp
*/
int __fenix_get_snapshot_at_position(int groupid, int position, int *timestamp) {
int retval = -1;
int group_index = __fenix_search_groupid(groupid, fenix.data_recovery );
if (fenix.options.verbose == 33) {
verbose_print("c-rank: %d, role: %d, group_index: %d\n",
__fenix_get_current_rank(fenix.new_world), fenix.role, group_index);
}
if (group_index == -1) {
debug_print("ERROR Fenix_Data_commit: group_id <%d> does not exist\n", groupid);
retval = FENIX_ERROR_INVALID_GROUPID;
} else {
fenix_group_t *group = (fenix.data_recovery->group[group_index]);
*timestamp = group->timestamp - position;
}
return retval;
}
/**
* @brief
* @param group_id
* @param member_id
* @param attribute_name
* @param attribute_value
* @param flag
* @param source_rank
*/
int __fenix_member_get_attribute(int groupid, int memberid, int attributename,
void *attributevalue, int *flag, int sourcerank) {
int retval = -1;
int group_index = __fenix_search_groupid(groupid, fenix.data_recovery );
int member_index = -1;
if(group_index != -1){
member_index = __fenix_search_memberid(fenix.data_recovery->group[group_index]->member, memberid);
}
if (fenix.options.verbose == 34) {
verbose_print("c-rank: %d, role: %d, group_index: %d, member_index: %d\n",
__fenix_get_current_rank(fenix.new_world), fenix.role, group_index,
member_index);
}
if (group_index == -1) {
debug_print("ERROR Fenix_Data_member_attr_get: group_id <%d> does not exist\n",
groupid);
retval = FENIX_ERROR_INVALID_GROUPID;
} else if (member_index == -1) {
debug_print("ERROR Fenix_Data_member_attr_get: member_id <%d> does not exist\n",
memberid);
retval = FENIX_ERROR_INVALID_MEMBERID;
} else {
fenix_group_t *group = (fenix.data_recovery->group[group_index]);
fenix_member_t *member = group->member;
fenix_member_entry_t *mentry = &(member->member_entry[member_index]);
int retval = group->vtbl.member_get_attribute(group, mentry, attributename,
attributevalue, flag, sourcerank);
}
return retval;
}
/**
* @brief
* @param group_id
* @param member_id
* @param attribute_name
* @param attribute_value
* @param flag
*/
int __fenix_member_set_attribute(int groupid, int memberid, int attributename,
void *attributevalue, int *flag) {
int retval = -1;
int group_index = __fenix_search_groupid(groupid, fenix.data_recovery );
int member_index = -1;
if(group_index != -1){
member_index = __fenix_search_memberid(fenix.data_recovery->group[group_index]->member, memberid);
}
if (fenix.options.verbose == 35) {
verbose_print("c-rank: %d, role: %d, group_index: %d, member_index: %d\n",
__fenix_get_current_rank(fenix.new_world), fenix.role, group_index,
member_index);
}
if (group_index == -1) {
debug_print("ERROR Fenix_Data_member_attr_set: group_id <%d> does not exist\n",
groupid);
retval = FENIX_ERROR_INVALID_GROUPID;
} else if (member_index == -1) {
debug_print("ERROR Fenix_Data_member_attr_set: member_id <%d> does not exist\n",
memberid);
retval = FENIX_ERROR_INVALID_MEMBERID;
} else {
int my_datatype_size;
int myerr;
fenix_group_t *group = (fenix.data_recovery->group[group_index]);
fenix_member_t *member = group->member;
fenix_member_entry_t *mentry = &(member->member_entry[member_index]);
//Always pass attribute changes along to group - they might have unknown attributes
//or side-effects to handle from changes. They get change info before
//changes are made, in case they need prior state.
retval = group->vtbl.member_set_attribute(group, mentry, attributename,
attributevalue, flag);
switch (attributename) {
case FENIX_DATA_MEMBER_ATTRIBUTE_BUFFER:
mentry->user_data = attributevalue;
break;
case FENIX_DATA_MEMBER_ATTRIBUTE_COUNT:
mentry->current_count = *((int *) (attributevalue));
retval = FENIX_SUCCESS;
break;
case FENIX_DATA_MEMBER_ATTRIBUTE_DATATYPE:
myerr = MPI_Type_size(*((MPI_Datatype *)(attributevalue)), &my_datatype_size);
if( myerr ) {
debug_print(
"ERROR Fenix_Data_member_attr_get: Fenix currently does not support this MPI_DATATYPE; invalid attribute_value <%d>\n",
attributevalue);
retval = FENIX_ERROR_INVALID_ATTRIBUTE_NAME;
}
mentry->datatype_size = my_datatype_size;
retval = FENIX_SUCCESS;
break;
default:
//Only an issue if the policy also doesn't have this attribute.
if(retval){
debug_print("ERROR Fenix_Data_member_attr_get: invalid attribute_name <%d>\n",
attributename);
retval = FENIX_ERROR_INVALID_ATTRIBUTE_NAME;
}
break;
}
}
return retval;
}
/**
* @brief
* @param group_id
* @param time_stamp
*/
int __fenix_snapshot_delete(int group_id, int time_stamp) {
int retval = -1;
int group_index = __fenix_search_groupid(group_id, fenix.data_recovery );
if (group_index == -1) {
debug_print("ERROR Fenix_Data_snapshot_delete: group_id <%d> does not exist\n",
group_id);
retval = FENIX_ERROR_INVALID_GROUPID;
} else if (time_stamp < 0) {
debug_print(
"ERROR Fenix_Data_snapshot_delete: time_stamp <%d> must be greater than zero\n",
time_stamp);
retval = FENIX_ERROR_INVALID_TIMESTAMP;
} else {
fenix_group_t *group = (fenix.data_recovery->group[group_index]);
retval = group->vtbl.snapshot_delete(group, time_stamp);
}
return retval;
}
///////////////////////////////////////////////////// TODO //
void __fenix_store_single() {
}
#if 0 //This needs to be reworked for the new data redundancy framework.
//Lots of info about member versions etc. has been moved to policy-specific
//data.
/**
*
*/
void __feninx_dr_print_store() {
int group, member, version, local, remote;
fenix_data_recovery_t *current = fenix.data_recovery;
int group_count = current->count;
for (group = 0; group < group_count; group++) {
int member_count = current->group[group]->member->count;
for (member = 0; member < member_count; member++) {
int version_count = current->group[group]->member->member_entry[member].version->count;
for (version = 0; version < version_count; version++) {
int local_data_count = current->group[group]->member->member_entry[member].version->local_entry[version].count;
int *local_data = current->group[group]->member->member_entry[member].version->local_entry[version].data;
for (local = 0; local < local_data_count; local++) {
//printf("*** store rank[%d] group[%d] member[%d] local[%d]: %d\n",
//get_current_rank(fenix.new_world), group, member, local,
//local_data[local]);
}
int remote_data_count = current->group[group]->member->member_entry[member].version->remote_entry[version].count;
int *remote_data = current->group[group]->member->member_entry[member].version->remote_entry[version].data;
for (remote = 0; remote < remote_data_count; remote++) {