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
|
/****************************************************************
* *
* Copyright (c) 2010-2023 Fidelity National Information *
* Services, Inc. and/or its subsidiaries. All rights reserved. *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#ifdef GTM_TRIGGER
#include <errno.h>
#include "gtm_ctype.h"
#include "gtm_string.h"
#include "gtm_fcntl.h"
#include "gtm_unistd.h"
#include "gdsroot.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include <rtnhdr.h>
#include "gv_trigger.h"
#include "targ_alloc.h"
#include "filestruct.h"
#include "mv_stent.h" /* for COPY_SUBS_TO_GVCURRKEY macro */
#include "gvsub2str.h" /* for COPY_SUBS_TO_GVCURRKEY macro */
#include "format_targ_key.h" /* for COPY_SUBS_TO_GVCURRKEY macro */
#include "trigger.h"
#include "trigger_gbl_fill_xecute_buffer.h"
#include "trigger_scan_string.h"
#include "trigger_select_protos.h"
#include "trigger_user_name.h"
#include "change_reg.h"
#include "gvcst_protos.h"
#include "op.h" /* for op_tstart etc. */
#include "mupip_exit.h"
#include "zshow.h"
#include "util.h"
#include "compiler.h"
#include "mvalconv.h"
#include "op_tcommit.h"
#include "gdscc.h" /* needed for tp.h */
#include "gdskill.h" /* needed for tp.h */
#include "buddy_list.h" /* needed for tp.h */
#include "jnl.h" /* needed for tp.h */
#include "tp.h"
#include "t_retry.h"
#include "io_params.h"
#include "min_max.h" /* Needed for MIN */
#include "gtmimagename.h"
#include "gtmio.h"
#include "have_crit.h"
#include "hashtab_mname.h"
#include "tp_frame.h"
#include "tp_restart.h"
#include "repl_msg.h" /* for gtmsource.h */
#include "gtmsource.h" /* for jnlpool_addrs_ptr_t */
GBLREF sgmnt_addrs *cs_addrs;
GBLREF sgmnt_data_ptr_t cs_data;
GBLREF gd_region *gv_cur_region;
GBLREF gv_namehead *gv_target;
GBLREF gv_key *gv_currkey;
GBLREF gd_addr *gd_header;
GBLREF gv_key *gv_altkey;
GBLREF io_pair io_curr_device;
GBLREF io_pair io_std_device; /* standard device */
GBLREF sgm_info *sgm_info_ptr;
GBLREF jnlpool_addrs_ptr_t jnlpool;
GBLREF int (*op_open_ptr)(mval *v, mval *p, mval *t, mval *mspace);
GBLREF uint4 dollar_tlevel;
GBLREF unsigned char t_fail_hist[CDB_MAX_TRIES];
#ifdef DEBUG
GBLREF boolean_t donot_INVOKE_MUMTSTART;
#endif
LITREF mval literal_zero;
LITREF mval literal_ten;
LITREF char *trigger_subs[];
#define TRIGGER_NAME_COMMENT "trigger name: "
#define TRIGGER_CYCLE_COMMENT " cycle: "
#define NAM_LEN(PTR, LEN) MIN(STRLEN((PTR)), (LEN))
#define COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(OUT_BUFF, OUT_PTR, VAL, VAL_LEN) \
{ \
if ((INTCAST(OUT_PTR - OUT_BUFF) + VAL_LEN) > MAX_BUFF_SIZE) \
{ \
util_out_print_gtmio("!AD", NOFLUSH_OUT, (unsigned int)(OUT_PTR - OUT_BUFF), OUT_BUFF); \
OUT_PTR = OUT_BUFF; \
} \
if (VAL_LEN > MAX_BUFF_SIZE) \
{ \
util_out_print_gtmio("!AD", NOFLUSH_OUT, VAL_LEN, VAL); \
OUT_PTR = OUT_BUFF; \
} else \
{ \
memcpy(OUT_PTR, (const void *)VAL, VAL_LEN); \
OUT_PTR += VAL_LEN; \
} \
}
#define COPY_SUBSCRIPT(OUT_BUFF, OUT_PTR, CHPTR, LEN_LEFT, IS_TYPE) \
{ \
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(OUT_BUFF, OUT_PTR, CHPTR, 1); \
CHPTR++; \
LEN_LEFT--; \
while ((0 < LEN_LEFT) && IS_TYPE(*CHPTR)) \
{ \
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(OUT_BUFF, OUT_PTR, CHPTR, 1); \
CHPTR++; \
LEN_LEFT--; \
} \
}
#define MAKE_ZWR_STR(STR, STR_LEN, OUT_START, OUT_STR) \
{ \
int lcl_len; \
unsigned char tmp_buff[MAX_ZWR_EXP_RATIO * MAX_BUFF_SIZE]; \
\
lcl_len = MAX_ZWR_EXP_RATIO * MAX_BUFF_SIZE; \
format2zwr((sm_uc_ptr_t)STR, STR_LEN, tmp_buff, &lcl_len); \
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(OUT_START, OUT_STR, tmp_buff, lcl_len); \
}
#define CHECK_FOR_M_NAME(START, PTR, LEN, STR, ERR, MAX_LEN) \
{ \
int lcl_len; \
int cur_len; \
\
assert(0 < MAX_LEN); \
if (!ISALPHA_ASCII(*PTR) && ('%' != *PTR)) \
{ \
lcl_len = STRLEN(START); \
CONV_STR_AND_PRINT(STR, lcl_len, START); \
ERR = TRIG_FAILURE; \
continue; \
} \
PTR++; \
LEN--; \
cur_len = 1; \
while ((0 < LEN) && ISALNUM_ASCII(*PTR)) \
{ \
if (MAX_LEN < ++cur_len) \
break; \
PTR++; \
LEN--; \
} \
}
#define INVALID_NAME_ERROR(ERR_STR, PTR, ERR_VAR, POS) \
{ \
int lcl_len; \
\
lcl_len = STRLEN(PTR); \
CONV_STR_AND_PRINT(ERR_STR, lcl_len, PTR); \
select_status = TRIG_FAILURE; \
}
error_def(ERR_DBROLLEDBACK);
error_def(ERR_MUNOACTION);
error_def(ERR_MUNOACTION);
error_def(ERR_MUPCLIERR);
error_def(ERR_MUPCLIERR);
error_def(ERR_NEEDTRIGUPGRD);
error_def(ERR_TRIGDEFBAD);
STATICDEF char *triggerfile_quals[] = {
#define TRIGGER_SUBSDEF(SUBSTYPE, SUBSNAME, LITMVALNAME, TRIGFILEQUAL, PARTOFHASH) TRIGFILEQUAL,
#include "trigger_subs_def.h"
#undef TRIGGER_SUBSDEF
};
STATICFNDEF void write_subscripts(char *out_rec, char **out_ptr, char **sub_ptr, int *sub_len)
{
char *out_p, *ptr;
uint4 len_left, dst_len, len;
char dst[MAX_GVSUBS_LEN];
len_left = *sub_len;
ptr = *sub_ptr;
out_p = *out_ptr;
while (0 < len_left)
{
if (ISDIGIT_ASCII(*ptr) || ('-' == *ptr))
{
COPY_SUBSCRIPT(out_rec, out_p, ptr, len_left, ISDIGIT_ASCII);
} else if (ISALPHA_ASCII(*ptr) || ('%' == *ptr))
{
COPY_SUBSCRIPT(out_rec, out_p, ptr, len_left, ISALNUM_ASCII);
} else if ('"' == *ptr)
{
len = len_left;
trigger_scan_string(ptr, &len_left, dst, &dst_len);
MAKE_ZWR_STR(dst, dst_len, out_rec, out_p);
len_left--; /* Need to skip the trailing " */
ptr += (len - len_left);
} else
{
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(out_rec, out_p, ptr, 1);
ptr++;
len_left--;
}
}
*sub_len = len_left;
*sub_ptr = ptr;
*out_ptr = out_p;
}
STATICFNDEF void write_out_trigger(char *gbl_name, uint4 gbl_name_len, int nam_indx)
{
mval data_val;
char out_rec[MAX_BUFF_SIZE];
char *out_rec_ptr;
char *ptr1, *ptr2, *ptrtop;
mval mi, trigger_count, trigger_value, *protect_trig_mval;
mval *mv_trig_cnt_ptr;
boolean_t multi_line = FALSE;
boolean_t have_value, multi_record;
int count;
int indx, sub_indx;
int4 skip_chars;
int sub_len;
char *sub_ptr;
char *tmp_str_ptr;
uint4 tmp_str_len;
char cycle[MAX_DIGITS_IN_INT + 1];
int cycle_len;
char *xecute_buff;
int4 xecute_len;
int trig_protected_mval_push_count;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
assert(!cs_addrs->hdr->hasht_upgrade_needed); /* all callers should have errored out otherwise */
BUILD_HASHT_SUB_SUB_CURRKEY(gbl_name, gbl_name_len, LITERAL_HASHCOUNT, LITERAL_HASHCOUNT_LEN);
if (gvcst_get(&trigger_count))
{
mv_trig_cnt_ptr = &trigger_count;
count = MV_FORCE_INT(mv_trig_cnt_ptr);
assert(0 < count);
BUILD_HASHT_SUB_SUB_CURRKEY(gbl_name, gbl_name_len, LITERAL_HASHLABEL, STRLEN(LITERAL_HASHLABEL));
if (!gvcst_get(&trigger_value))
{ /* There has to be a #LABEL */
if (UPDATE_CAN_RETRY(t_tries, t_fail_hist[t_tries]))
t_retry(cdb_sc_triggermod);
assert(WBTEST_HELPOUT_TRIGDEFBAD == gtm_white_box_test_case_number);
RTS_ERROR_CSA_ABT(REG2CSA(gv_cur_region), VARLSTCNT(8) ERR_TRIGDEFBAD, 6, gbl_name_len,
gbl_name, gbl_name_len, gbl_name, LEN_AND_LIT("\"#LABEL\""));
}
skip_chars = 1;
if ((trigger_value.str.len != STRLEN(HASHT_GBL_CURLABEL))
|| (0 != memcmp(trigger_value.str.addr, HASHT_GBL_CURLABEL, trigger_value.str.len)))
{
if ((1 == trigger_value.str.len) && ('1' == *trigger_value.str.addr))
/* 1 == #LABEL - No leading blank in xecute string */
skip_chars = 0;
}
BUILD_HASHT_SUB_SUB_CURRKEY(gbl_name, gbl_name_len, LITERAL_HASHCYCLE, LITERAL_HASHCYCLE_LEN);
if (!gvcst_get(&trigger_value))
{ /* There has to be a #CYCLE */
if (UPDATE_CAN_RETRY(t_tries, t_fail_hist[t_tries]))
t_retry(cdb_sc_triggermod);
assert(WBTEST_HELPOUT_TRIGDEFBAD == gtm_white_box_test_case_number);
RTS_ERROR_CSA_ABT(REG2CSA(gv_cur_region), VARLSTCNT(8) ERR_TRIGDEFBAD, 6, gbl_name_len,
gbl_name, gbl_name_len, gbl_name, LEN_AND_LIT("\"#CYCLE\""));
}
cycle_len = MIN(trigger_value.str.len, MAX_DIGITS_IN_INT);
memcpy(cycle, trigger_value.str.addr, cycle_len);
cycle[cycle_len] = '\0';
trig_protected_mval_push_count = 0;
xecute_buff = NULL;
INCR_AND_PUSH_MV_STENT(protect_trig_mval); /* Protect protect_trig_mval from garbage collection */
for (indx = 1; indx <= count; indx++)
{
if ((0 != nam_indx) && (indx != nam_indx))
continue;
MV_FORCE_MVAL(&mi, indx);
BUILD_HASHT_SUB_MSUB_SUB_CURRKEY(gbl_name, gbl_name_len, mi, trigger_subs[TRIGNAME_SUB],
STRLEN(trigger_subs[TRIGNAME_SUB]));
out_rec_ptr = out_rec;
if (!gvcst_get(&trigger_value))
{ /* There has to be a #NAME */
if (UPDATE_CAN_RETRY(t_tries, t_fail_hist[t_tries]))
t_retry(cdb_sc_triggermod);
assert(WBTEST_HELPOUT_TRIGDEFBAD == gtm_white_box_test_case_number);
RTS_ERROR_CSA_ABT(REG2CSA(gv_cur_region), VARLSTCNT(8) ERR_TRIGDEFBAD, 6, gbl_name_len,
gbl_name, gbl_name_len, gbl_name, LEN_AND_LIT("\"#NAME\""));
}
*out_rec_ptr++ = COMMENT_LITERAL;
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(out_rec, out_rec_ptr, TRIGGER_NAME_COMMENT,
STR_LIT_LEN(TRIGGER_NAME_COMMENT));
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(out_rec, out_rec_ptr, trigger_value.str.addr,
trigger_value.str.len - 1); /* remove last # in name */
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(out_rec, out_rec_ptr, SPANREG_REGION_LIT,
SPANREG_REGION_LITLEN);
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(out_rec, out_rec_ptr, gv_cur_region->rname,
gv_cur_region->rname_len);
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(out_rec, out_rec_ptr, ")", 1);
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(out_rec, out_rec_ptr, TRIGGER_CYCLE_COMMENT,
STR_LIT_LEN(TRIGGER_CYCLE_COMMENT));
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(out_rec, out_rec_ptr, cycle, STRLEN(cycle));
util_out_print_gtmio("!AD", FLUSH, (unsigned int)(out_rec_ptr - out_rec), out_rec);
out_rec_ptr = out_rec;
*out_rec_ptr++ = '+';
*out_rec_ptr++ = '^';
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(out_rec, out_rec_ptr, gbl_name, gbl_name_len);
BUILD_HASHT_SUB_MSUB_SUB_CURRKEY(gbl_name, gbl_name_len, mi, trigger_subs[GVSUBS_SUB],
STRLEN(trigger_subs[GVSUBS_SUB]));
if (gvcst_get(&trigger_value))
{
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(out_rec, out_rec_ptr, "(", 1);
sub_ptr = trigger_value.str.addr;
sub_len = trigger_value.str.len;
write_subscripts(out_rec, &out_rec_ptr, &sub_ptr, &sub_len);
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(out_rec, out_rec_ptr, ")", 1);
}
/* Assert that BHASH and LHASH are not part of NUM_SUBS calculation
* (confirms the -2 done in the #define of NUM_SUBS).
*/
assert(BHASH_SUB == NUM_SUBS);
assert(LHASH_SUB == (NUM_SUBS + 1));
for (sub_indx = 0; sub_indx < NUM_SUBS; sub_indx++)
{
if ((GVSUBS_SUB == sub_indx) || (CHSET_SUB == sub_indx))
continue;
BUILD_HASHT_SUB_MSUB_SUB_CURRKEY(gbl_name, gbl_name_len, mi, trigger_subs[sub_indx],
STRLEN(trigger_subs[sub_indx]));
have_value = gvcst_get(protect_trig_mval);
have_value = have_value && (protect_trig_mval->str.len);
multi_record = FALSE;
if (!have_value && (XECUTE_SUB == sub_indx))
{
op_gvdata(&data_val);
multi_record = (literal_ten.m[0] == data_val.m[0]) && (literal_ten.m[1] == data_val.m[1]);
}
if (have_value || multi_record)
{
if (TRIGNAME_SUB == sub_indx)
{ /* Output "-name=XYZ" only if it is user defined */
BUILD_HASHT_SUB_MSUB_SUB_MSUB_CURRKEY(gbl_name, gbl_name_len, mi,
trigger_subs[sub_indx], STRLEN(trigger_subs[sub_indx]), mi);
if (!trigger_user_name(protect_trig_mval->str.addr, protect_trig_mval->str.len))
continue;
protect_trig_mval->str.len--; /* Don't include trailing # */
}
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(out_rec, out_rec_ptr, " ", 1);
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(out_rec, out_rec_ptr, triggerfile_quals[sub_indx],
STRLEN(triggerfile_quals[sub_indx]));
switch (sub_indx)
{
case DELIM_SUB:
case ZDELIM_SUB:
MAKE_ZWR_STR(protect_trig_mval->str.addr, protect_trig_mval->str.len,
out_rec, out_rec_ptr);
break;
case XECUTE_SUB:
/* After the buffer is malloc-ed by trigger_gbl_fill_xecute_buffer(), the
* only exits from the inner loop have to go to the free() below. Exits
* from the outer loop happen before the buffer is malloc-ed. So no leaks
* by error returns. But just to make sure, let's assert that the buffer
* pointer is NULL.
*/
assert(NULL == xecute_buff);
xecute_buff = trigger_gbl_fill_xecute_buffer(gbl_name, gbl_name_len, &mi,
multi_record ? NULL : protect_trig_mval, &xecute_len);
multi_line = (NULL != memchr(xecute_buff, '\n', xecute_len));
assert(NULL != xecute_buff);
if (multi_line)
{
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(out_rec, out_rec_ptr,
XTENDED_START, XTENDED_START_LEN);
} else
{
tmp_str_ptr = xecute_buff + skip_chars;
tmp_str_len = xecute_len - skip_chars;
MAKE_ZWR_STR(tmp_str_ptr, tmp_str_len, out_rec, out_rec_ptr);
}
break;
default:
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(out_rec, out_rec_ptr,
protect_trig_mval->str.addr,protect_trig_mval->str.len);
}
}
protect_trig_mval->mvtype = 0; /* can now be garbage collected in the next iteration */
}
/* we had better have an XECUTE STRING, if not it is a restartable situation */
DEBUG_ONLY(if (NULL == xecute_buff) TREF(donot_commit) |= DONOTCOMMIT_TRIGGER_SELECT_XECUTE;)
util_out_print_gtmio("!AD", FLUSH, (unsigned int)(out_rec_ptr - out_rec), out_rec);
if (multi_line)
{
ptr1 = xecute_buff;
ptrtop = xecute_buff + xecute_len;
do
{
xecute_len = ptrtop - ptr1;
ptr2 = memchr(ptr1, '\n', xecute_len);
if (NULL == ptr2)
ptr2 = ptrtop; /* if last line is not terminated by newline, make it so */
out_rec_ptr = out_rec;
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(out_rec, out_rec_ptr, ptr1, UINTCAST(ptr2 - ptr1));
util_out_print_gtmio("!AD", FLUSH, (unsigned int)(out_rec_ptr - out_rec), out_rec);
ptr1 = ptr2 + 1;
} while (ptr1 < ptrtop);
out_rec_ptr = out_rec;
COPY_TO_OUTPUT_AND_WRITE_IF_NEEDED(out_rec, out_rec_ptr, XTENDED_STOP, XTENDED_STOP_LEN);
util_out_print_gtmio("!AD", FLUSH, (unsigned int)(out_rec_ptr - out_rec), out_rec);
}
if (NULL != xecute_buff)
{
free(xecute_buff);
xecute_buff = NULL;
}
}
DECR_AND_POP_MV_STENT();
}
}
STATICFNDEF void write_gbls_or_names(char *gbl_name, uint4 gbl_name_len, boolean_t trig_name)
{
char save_name[MAX_MIDENT_LEN], curr_name[MAX_MIDENT_LEN], curr_gbl[MAX_MIDENT_LEN];
boolean_t wildcard;
mval mv_curr_nam;
mval trig_gbl;
mval mv_trigger_val;
int indx;
char *ptr;
uint4 curr_name_len;
int trigvn_len;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
/* If ^#t needs to be upgraded, issue error. Cannot read older ^#t format that newer version does not always understand */
if (cs_addrs->hdr->hasht_upgrade_needed)
rts_error_csa(CSA_ARG(cs_addrs) VARLSTCNT(4) ERR_NEEDTRIGUPGRD, 2, DB_LEN_STR(gv_cur_region));
assert((0 < gbl_name_len) && (MAX_MIDENT_LEN >= gbl_name_len));
STATIC_ANALYSIS_ONLY(gbl_name_len = MIN(gbl_name_len, MAX_MIDENT_LEN)); /* 4SCA: GV names from DB are <= MAX_MIDENT_LEN */
memcpy(save_name, gbl_name, gbl_name_len);
wildcard = (NULL != (ptr = memchr(gbl_name, '*', gbl_name_len)));
if (wildcard)
{
STATIC_ANALYSIS_ONLY(if (0 < gbl_name_len)) /* 4SCA: GV names from DB <= MAX_MIDENT_LEN and > 0*/
gbl_name_len--;
assert(INTCAST(ptr - gbl_name) == gbl_name_len);
}
memcpy(curr_name, gbl_name, gbl_name_len);
curr_name_len = gbl_name_len;
while (TRUE)
{
if (trig_name)
{
/* $get(^#t("#TNAME",trigger_name)) */
BUILD_HASHT_SUB_SUB_CURRKEY(LITERAL_HASHTNAME, STR_LIT_LEN(LITERAL_HASHTNAME), curr_name, curr_name_len);
if (!gvcst_get(&mv_trigger_val))
{
if (wildcard)
{
op_gvorder(&mv_curr_nam);
if (0 == mv_curr_nam.str.len)
break;
memcpy(curr_name, mv_curr_nam.str.addr, mv_curr_nam.str.len);
curr_name_len = mv_curr_nam.str.len;
if (0 != memcmp(curr_name, save_name, gbl_name_len))
break;
continue;
}
break;
}
ptr = mv_trigger_val.str.addr;
trigvn_len = MIN(mv_trigger_val.str.len, MAX_MIDENT_LEN);
STRNLEN(ptr, trigvn_len, trigvn_len);
ptr += trigvn_len;
if ((mv_trigger_val.str.len == trigvn_len) || ('\0' != *ptr))
{ /* We expect $c(0) in the middle of addr. If we dont find it, this is a restartable situation */
if (UPDATE_CAN_RETRY(t_tries, t_fail_hist[t_tries]))
t_retry(cdb_sc_triggermod);
assert(WBTEST_HELPOUT_TRIGDEFBAD == gtm_white_box_test_case_number);
RTS_ERROR_CSA_ABT(REG2CSA(gv_cur_region), VARLSTCNT(8) ERR_TRIGDEFBAD, 6,
LEN_AND_LIT("\"#TNAME\""), curr_name_len, curr_name,
mv_trigger_val.str.len, mv_trigger_val.str.addr);
}
ptr++;
A2I(ptr, mv_trigger_val.str.addr + mv_trigger_val.str.len, indx);
if (1 > indx)
{ /* We expect a valid index */
if (UPDATE_CAN_RETRY(t_tries, t_fail_hist[t_tries]))
t_retry(cdb_sc_triggermod);
assert(WBTEST_HELPOUT_TRIGDEFBAD == gtm_white_box_test_case_number);
RTS_ERROR_CSA_ABT(REG2CSA(gv_cur_region), VARLSTCNT(8) ERR_TRIGDEFBAD, 6,
LEN_AND_LIT("\"#TNAME\""), curr_name_len, curr_name,
mv_trigger_val.str.len, mv_trigger_val.str.addr);
}
/* Use a local buffer to avoid possible garbage collection issues from write_out_trigger below */
memcpy(curr_gbl, mv_trigger_val.str.addr, trigvn_len);
STR2MVAL(trig_gbl, curr_gbl, trigvn_len);
} else
{
STR2MVAL(trig_gbl, curr_name, curr_name_len);
indx = 0;
}
write_out_trigger(trig_gbl.str.addr, trig_gbl.str.len, indx);
if (wildcard)
{
if (trig_name)
{
BUILD_HASHT_SUB_SUB_CURRKEY(LITERAL_HASHTNAME, STR_LIT_LEN(LITERAL_HASHTNAME), curr_name,
curr_name_len);
} else
{
BUILD_HASHT_SUB_CURRKEY(curr_name, curr_name_len);
}
op_gvorder(&mv_curr_nam);
if (0 == mv_curr_nam.str.len)
break;
memcpy(curr_name, mv_curr_nam.str.addr, mv_curr_nam.str.len);
if (0 != memcmp(curr_name, save_name, gbl_name_len))
break;
curr_name_len = mv_curr_nam.str.len;
} else
break;
}
}
STATICFNDEF void dump_all_triggers(void)
{
mval curr_gbl_name, val;
gd_region *reg;
gv_namehead *save_gvtarget;
int reg_index;
char global[MAX_MIDENT_LEN];
int gbl_len;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
assert(NULL != gd_header);
save_gvtarget = gv_target;
for (reg_index = 0, reg = gd_header->regions; reg_index < gd_header->n_regions; reg_index++, reg++)
{
if (IS_STATSDB_REGNAME(reg))
continue;
GVTR_SWITCH_REG_AND_HASHT_BIND_NAME(reg);
if (NULL == cs_addrs) /* not BG or MM access method */
continue;
/* gv_target now points to ^#t in region "reg" */
if (0 != gv_target->root)
{
/* If ^#t needs to be upgraded, issue error. Cannot read older ^#t format */
if (cs_addrs->hdr->hasht_upgrade_needed)
RTS_ERROR_CSA_ABT(cs_addrs, VARLSTCNT(4) ERR_NEEDTRIGUPGRD, 2, DB_LEN_STR(gv_cur_region));
op_gvdata(&val);
if ((literal_ten.m[0] == val.m[0]) && (literal_ten.m[1] == val.m[1]))
{ /* $DATA(^#t) is 10 - get first subscript (trigger's global) */
BUILD_HASHT_SUB_CURRKEY(LITERAL_MAXHASHVAL, STR_LIT_LEN(LITERAL_MAXHASHVAL));
while (TRUE)
{
op_gvorder(&curr_gbl_name);
if (0 == curr_gbl_name.str.len)
break;
gbl_len = curr_gbl_name.str.len;
memcpy(global, curr_gbl_name.str.addr, gbl_len);
write_out_trigger(global, gbl_len, 0);
BUILD_HASHT_SUB_CURRKEY(global, gbl_len);
}
} else
assert((literal_zero.m[0] == val.m[0]) && (literal_zero.m[1] == val.m[1]));
}
}
}
/* returns TRUE (not TRIG_FAILURE) in case of failure */
boolean_t trigger_select_tpwrap(char *select_list, uint4 select_list_len, char *file_name, uint4 file_name_len)
{
mval op_val, op_pars;
boolean_t select_status;
io_pair save_io_curr_device;
mval ts_mv;
int loopcnt;
DEBUG_ONLY(unsigned int lcl_t_tries;)
enum cdb_sc failure;
static readonly unsigned char open_params_list[] =
{
(unsigned char)iop_m,
(unsigned char)iop_noreadonly,
(unsigned char)iop_nowrap,
(unsigned char)iop_stream,
(unsigned char)iop_eol
};
static readonly unsigned char use_params[] =
{
(unsigned char)iop_nowrap,
(unsigned char)iop_eol
};
static readonly unsigned char no_param = (unsigned char)iop_eol;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
/* make a local copy of the select list and use it to avoid string-pool problems */
if (MAX_BUFF_SIZE <= select_list_len)
return TRUE; /* failure return */
gvinit();
op_pars.mvtype = MV_STR;
op_val.mvtype = MV_STR;
if (0 == file_name_len)
{
op_pars.str.len = SIZEOF(use_params);
op_pars.str.addr = (char *)use_params;
if (IS_MUPIP_IMAGE)
{
PRINTF("\n");
FFLUSH(NULL);
op_val.str.len = io_std_device.out->trans_name->len;
op_val.str.addr = io_std_device.out->trans_name->dollar_io;
} else
{
op_val.str.len = io_curr_device.out->trans_name->len;
op_val.str.addr = io_curr_device.out->trans_name->dollar_io;
}
} else
{
op_pars.str.len = SIZEOF(open_params_list);
op_pars.str.addr = (char *)open_params_list;
op_val.str.len = file_name_len;
op_val.str.addr = (char *)file_name;
(*op_open_ptr)(&op_val, &op_pars, (mval *)&literal_zero, NULL);
}
save_io_curr_device = io_curr_device;
op_use(&op_val, &op_pars);
TREF(ztrig_use_io_curr_device) = TRUE;
select_status = TRIG_SUCCESS;
ts_mv.mvtype = MV_STR;
ts_mv.str.len = 0;
ts_mv.str.addr = NULL;
if (0 == dollar_tlevel)
{ /* If not already wrapped in TP, wrap it now implicitly */
assert(!donot_INVOKE_MUMTSTART);
DEBUG_ONLY(donot_INVOKE_MUMTSTART = TRUE);
/* Note down dollar_tlevel before op_tstart. This is needed to determine if we need to break from the for-loop
* below after a successful op_tcommit of the trigger select . We cannot check that dollar_tlevel is zero
* since the op_tstart done below can be a nested sub-transaction
*/
op_tstart((IMPLICIT_TSTART + IMPLICIT_TRIGGER_TSTART), TRUE, &ts_mv, 0); /* 0 ==> save no locals but RESTART OK */
/* The following for loop structure is similar to that in function "trigger_trgfile_tpwrap" and various
* other places so any changes here might need to be reflected there as well.
*/
for (loopcnt = 0; ; loopcnt++)
{
assert(donot_INVOKE_MUMTSTART); /* Make sure still set */
DEBUG_ONLY(lcl_t_tries = t_tries);
select_status = trigger_select_tpwrap_helper(select_list, select_list_len);
if (0 == dollar_tlevel)
break;
assert(0 < t_tries);
assert((CDB_STAGNATE == t_tries) || (lcl_t_tries == t_tries - 1));
failure = LAST_RESTART_CODE;
assert(((cdb_sc_onln_rlbk1 != failure) && (cdb_sc_onln_rlbk2 != failure))
|| !gv_target || !gv_target->root);
assert((cdb_sc_onln_rlbk2 != failure) || !IS_GTM_IMAGE || TREF(dollar_zonlnrlbk));
if (cdb_sc_onln_rlbk2 == failure)
RTS_ERROR_CSA_ABT(NULL, VARLSTCNT(1) ERR_DBROLLEDBACK);
/* else if (cdb_sc_onln_rlbk1 == status) we don't need to do anything other than trying again. Since this
* is ^#t global, we don't need to GVCST_ROOT_SEARCH before continuing with the next restart because the
* trigger load logic already takes care of doing INITIAL_HASHT_ROOT_SEARCH_IF_NEEDED before doing the
* actual trigger load
*/
/* We expect the above function to return with either op_tcommit or a tp_restart invoked.
* In the case of op_tcommit, we expect dollar_tlevel to be 0 and if so we break out of the loop.
* In the tp_restart case, we expect a maximum of 4 tries/retries and much lesser usually.
* Additionally we also want to avoid an infinite loop so limit the loop to what is considered
* a huge iteration count and assertpro if that is reached as it suggests an out-of-design situation.
*/
assertpro(TPWRAP_HELPER_MAX_ATTEMPTS >= loopcnt);
}
} else
{
select_status = trigger_select(select_list, select_list_len);
assert(0 < dollar_tlevel);
}
TREF(ztrig_use_io_curr_device) = FALSE;
if (0 != file_name_len)
{
op_val.mvtype = op_pars.mvtype = MV_STR;
op_val.str.addr = (char *)file_name;;
op_val.str.len = file_name_len;
op_pars.str.len = SIZEOF(no_param);
op_pars.str.addr = (char *)&no_param;
op_close(&op_val, &op_pars);
/* Return back to the current device */
io_curr_device = save_io_curr_device;
}
return (TRIG_FAILURE == select_status);
}
STATICFNDEF boolean_t trigger_select_tpwrap_helper(char *select_list, uint4 select_list_len)
{
enum cdb_sc cdb_status;
boolean_t select_status;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
ESTABLISH_RET(trigger_tpwrap_ch, TRIG_FAILURE);
select_status = trigger_select(select_list, select_list_len);
if (TRIG_SUCCESS == select_status)
{
GVTR_OP_TCOMMIT(cdb_status);
if (cdb_sc_normal != cdb_status)
t_retry(cdb_status); /* won't return */
} else
{ /* Record cannot be committed - undo everything */
assert(donot_INVOKE_MUMTSTART);
DEBUG_ONLY(donot_INVOKE_MUMTSTART = FALSE);
/* Print $ztrigger/mupip-trigger output before rolling back TP */
TP_ZTRIGBUFF_PRINT;
OP_TROLLBACK(-1); /* returns but kills implicit transaction */
}
REVERT;
return select_status;
}
STATICFNDEF boolean_t trigger_select(char *select_list, uint4 select_list_len)
{
boolean_t dump_all;
char save_select_list[MAX_BUFF_SIZE];
char *sel_ptr, *strtok_ptr, *prev_ptr = NULL, *ptr1, *ptr2;
int gbl_len, prev_len;
mname_entry gvname;
int len, len1, badpos;
boolean_t trig_name;
gv_key_buf save_currkey;
gd_region *save_gv_cur_region;
gv_namehead *save_gv_target;
sgm_info *save_sgm_info_ptr;
jnlpool_addrs_ptr_t save_jnlpool;
boolean_t select_status;
gvnh_reg_t *gvnh_reg;
gd_binding *map, *start_map, *end_map;
gd_region *reg, *reg_start, *reg_top;
int *reg_done, reg_array_size, reg_index;
assert(dollar_tlevel);
select_status = TRIG_SUCCESS;
memcpy(save_select_list, select_list, select_list_len);
save_select_list[select_list_len] = '\0';
dump_all = FALSE;
prev_len = 0;
if (0 == select_list_len)
dump_all = TRUE;
else
{
for (ptr1 = save_select_list, len = select_list_len;
(NULL != (ptr2 = strchr(ptr1, '*'))) && (len > (len1 = INTCAST(ptr2 - ptr1)));
ptr1 = ptr2 + 1)
{ /* look for either a real "dump-it-all" *, an error *, or a wildcard * */
/* A "*" anywhere in the select list (at a place where a global name would be) is the same as only a "*" */
len -= (len1 + 1); /* Length after the "*" -- len1 is length before the "*" */
assert((0 <= len1) && (0 <= len));
if ((dump_all = ((0 == len1) && (0 == len) && (ptr1 == save_select_list))
|| ((0 == len1) && (0 == len) && (',' == *(ptr2 - 1)))
|| ((0 == len1) && (0 < len) && (',' == *(ptr2 + 1)))
|| ((0 < len1) && (0 == len) && (',' == *(ptr2 - 1)))
|| ((0 < len1) && (0 < len) && (',' == *(ptr2 - 1)) && (',' == *(ptr2 + 1)))))
break;
}
}
if (dump_all)
dump_all_triggers();
else if (0 < select_list_len)
{
len = select_list_len;
sel_ptr = STRTOK_R(save_select_list, ",", &strtok_ptr);
do
{
if (NULL == sel_ptr) /* Unlikely event that the first return is NULL */
break;
trig_name = ('^' != *sel_ptr);
ptr1 = sel_ptr;
len1 = STRLEN(ptr1);
if (!trig_name)
{
ptr1++;
len1--;
CHECK_FOR_M_NAME(sel_ptr, ptr1, len1, "Invalid global variable name in SELECT list: ",
select_status, MAX_MIDENT_LEN);
if ((0 != len1) && ((1 != len1) || ('*' != *ptr1)))
{
badpos = len1;
INVALID_NAME_ERROR("Invalid global variable name in SELECT list: ", sel_ptr,
select_status, badpos);
continue;
}
gbl_len = NAM_LEN(sel_ptr + 1, (int)(ptr1 - sel_ptr) - 1);
ptr1 = sel_ptr + 1;
/* Skip only if the previous global is the same as the current */
assert((prev_len != gbl_len) || prev_ptr);
if ((prev_len == gbl_len) && (0 == memcmp(prev_ptr, ptr1, gbl_len)))
continue;
SAVE_REGION_INFO(save_currkey, save_gv_target, save_gv_cur_region, save_sgm_info_ptr, save_jnlpool);
prev_ptr = ptr1;
prev_len = gbl_len;
start_map = gv_srch_map(gd_header, ptr1, gbl_len, SKIP_BASEDB_OPEN_FALSE);
ptr1[gbl_len - 1]++;
end_map = gv_srch_map(gd_header, ptr1, gbl_len, SKIP_BASEDB_OPEN_FALSE);
ptr1[gbl_len - 1]--;
gvname.var_name.addr = ptr1;
gvname.var_name.len = gbl_len;
if (start_map != end_map)
{ /* Global specification involves multiple regions */
reg_start = &gd_header->regions[0];
reg_array_size = gd_header->n_regions;
reg_done = malloc(reg_array_size * SIZEOF(*reg_done));
memset(reg_done, 0, reg_array_size * SIZEOF(*reg_done));
if ('*' == ptr1[gbl_len])
gvname.var_name.len++;
for (map = start_map; map <= end_map; map++)
{
OPEN_BASEREG_IF_STATSREG(map);
reg = map->reg.addr;
GET_REG_INDEX(gd_header, reg_start, reg, reg_index); /* sets "reg_index" */
assert(reg_array_size > reg_index);
if (!reg_done[reg_index])
{ /* this region first encountered now */
if (IS_STATSDB_REGNAME(reg))
continue;
GVTR_SWITCH_REG_AND_HASHT_BIND_NAME(reg);
if (NULL == cs_addrs) /* not BG or MM access method */
continue;
/* gv_target now points to ^#t in region "reg" */
if (0 != gv_target->root)
write_gbls_or_names(gvname.var_name.addr, gvname.var_name.len,
trig_name);
reg_done[reg_index] = TRUE;
}
}
free(reg_done);
} else
{ /* Global specification involves only one region */
COMPUTE_HASH_MNAME(&gvname);
GV_BIND_NAME_ONLY(gd_header, &gvname, gvnh_reg);
/* skip selecting/dumping triggers if not BG or MM access method */
if (NULL != cs_addrs)
{
if ('*' == ptr1[gbl_len])
gvname.var_name.len++;
SET_GVTARGET_TO_HASHT_GBL(gv_target->gd_csa);
INITIAL_HASHT_ROOT_SEARCH_IF_NEEDED;
if (0 != gv_target->root)
write_gbls_or_names(gvname.var_name.addr, gvname.var_name.len,
trig_name);
}
}
} else
{
if (len1 != (badpos = validate_input_trigger_name(ptr1, len1, NULL))) /* assignment is intended */
{ /* is the input name valid */
INVALID_NAME_ERROR("Invalid name entry in SELECT list: ", sel_ptr, select_status, badpos);
continue;
}
if (TRIGNAME_SEQ_DELIM == *(sel_ptr + (len1 - 1)))
len1--; /* drop the trailing # sign */
gvname.var_name.addr = sel_ptr;
gvname.var_name.len = len1;
SAVE_REGION_INFO(save_currkey, save_gv_target, save_gv_cur_region, save_sgm_info_ptr, save_jnlpool);
for (reg = gd_header->regions, reg_top = reg + gd_header->n_regions; reg < reg_top; reg++)
{
if (IS_STATSDB_REGNAME(reg))
continue;
GVTR_SWITCH_REG_AND_HASHT_BIND_NAME(reg);
if (NULL == cs_addrs) /* not BG or MM access method */
continue;
/* gv_target now points to ^#t in region "reg" */
if (0 == gv_target->root)
continue;
write_gbls_or_names(gvname.var_name.addr, gvname.var_name.len, trig_name);
}
}
RESTORE_REGION_INFO(save_currkey, save_gv_target, save_gv_cur_region, save_sgm_info_ptr, save_jnlpool);
} while (NULL != (sel_ptr = STRTOK_R(NULL, ",", &strtok_ptr))); /* Embedded assignment is intended */
}
return select_status;
}
#endif
|