int rts_error(int argcnt, ...)
{
va_list var;
sgmnt_addrs *csa;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
csa = CUSTOM_ERRORS_LOADED ? REG2CSA(gv_cur_region) : NULL;
VAR_START(var, argcnt);
return rts_error_va(csa, argcnt, var);
}
void gtm_putmsg_noflush(int argcnt, ...)
{
va_list var;
sgmnt_addrs *csa;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
csa = (ANTICIPATORY_FREEZE_AVAILABLE && jnlpool.jnlpool_ctl) ? REG2CSA(gv_cur_region) : NULL;
VAR_START(var, argcnt);
gtm_putmsg_list(csa, argcnt, var);
va_end(var);
}
int4 trigger_delete(char *trigvn, int trigvn_len, mval *trigger_count, int index)
{
int count;
mval mv_val;
mval *mv_val_ptr;
char *ptr1;
int4 result;
int4 retval;
stringkey kill_hash, set_hash;
int sub_indx;
char tmp_trig_str[MAX_BUFF_SIZE];
int4 trig_len;
char trig_name[MAX_TRIGNAME_LEN];
int trig_name_len;
int tmp_len;
char *tt_val[NUM_SUBS];
uint4 tt_val_len[NUM_SUBS];
mval trigger_value;
mval trigger_index;
mval xecute_index;
uint4 xecute_idx;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
assert(!gv_cur_region->read_only); /* caller should have already checked this */
assert(cs_addrs->hasht_tree == gv_target); /* should have been set up by caller */
assert(gv_target->root); /* should have been ensured by caller */
mv_val_ptr = &mv_val;
MV_FORCE_UMVAL(&trigger_index, index);
count = MV_FORCE_UINT(trigger_count);
/* build up array of values - needed for comparison in hash stuff */
ptr1 = tmp_trig_str;
memcpy(ptr1, trigvn, trigvn_len);
ptr1 += trigvn_len;
*ptr1++ = '\0';
tmp_len = trigvn_len + 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++)
{
BUILD_HASHT_SUB_MSUB_SUB_CURRKEY(trigvn, trigvn_len, trigger_index, trigger_subs[sub_indx],
STRLEN(trigger_subs[sub_indx]));
trig_len = gvcst_get(&trigger_value) ? trigger_value.str.len : 0;
if (0 == trig_len)
{
if (((TRIGNAME_SUB == sub_indx) || (CMD_SUB == sub_indx) || (CHSET_SUB == sub_indx)))
{ /* CMD, NAME and CHSET cannot be zero length */
if (CDB_STAGNATE > t_tries)
t_retry(cdb_sc_triggermod);
assert(WBTEST_HELPOUT_TRIGDEFBAD == gtm_white_box_test_case_number);
rts_error_csa(CSA_ARG(REG2CSA(gv_cur_region)) VARLSTCNT(8) ERR_TRIGDEFBAD, 6, trigvn_len, trigvn,
trigvn_len, trigvn, STRLEN(trigger_subs[sub_indx]), trigger_subs[sub_indx]);
}
tt_val[sub_indx] = NULL;
tt_val_len[sub_indx] = 0;
continue;
}
if (TRIGNAME_SUB == sub_indx)
{
trig_name_len = MIN(trig_len, MAX_TRIGNAME_LEN);
assert(MAX_TRIGNAME_LEN >= trig_len);
memcpy(trig_name, trigger_value.str.addr, trig_name_len);
tt_val[sub_indx] = NULL;
tt_val_len[sub_indx] = 0;
continue;
}
tt_val[sub_indx] = ptr1;
tt_val_len[sub_indx] = trig_len;
tmp_len += trig_len;
if (0 < trig_len)
{
if (MAX_BUFF_SIZE <= tmp_len)
return VAL_TOO_LONG;
memcpy(ptr1, trigger_value.str.addr, trig_len);
ptr1 += trig_len;
}
*ptr1++ = '\0';
tmp_len++;
}
/* Get trigger name, set hash value, and kill hash values from trigger before we delete it.
* The values will be used in clean ups associated with the deletion
*/
/* $get(^#t(GVN,trigger_index,"LHASH") for deletion in cleanup_trigger_hash */
BUILD_HASHT_SUB_MSUB_SUB_CURRKEY(trigvn, trigvn_len, trigger_index, trigger_subs[LHASH_SUB],
STRLEN(trigger_subs[LHASH_SUB]));
if (gvcst_get(mv_val_ptr))
kill_hash.hash_code = (uint4)MV_FORCE_UINT(mv_val_ptr);
else
{
util_out_print_gtmio("The LHASH for global ^!AD does not exist", FLUSH, trigvn_len, trigvn);
kill_hash.hash_code = 0;
}
/* $get(^#t(GVN,trigger_index,"BHASH") for deletion in cleanup_trigger_hash */
BUILD_HASHT_SUB_MSUB_SUB_CURRKEY(trigvn, trigvn_len, trigger_index, trigger_subs[BHASH_SUB],
STRLEN(trigger_subs[BHASH_SUB]));
if (gvcst_get(mv_val_ptr))
set_hash.hash_code = (uint4)MV_FORCE_UINT(mv_val_ptr);
else
{
util_out_print_gtmio("The BHASH for global ^!AD does not exist", FLUSH, trigvn_len, trigvn);
set_hash.hash_code = 0;
}
/* kill ^#t(GVN,trigger_index) */
BUILD_HASHT_SUB_MSUB_CURRKEY(trigvn, trigvn_len, trigger_index);
gvcst_kill(TRUE);
assert(0 == gvcst_data());
if (1 == count)
{ /* This is the last trigger for "trigvn" - clean up trigger name, remove #LABEL and #COUNT */
assert(1 == index);
BUILD_HASHT_SUB_SUB_CURRKEY(trigvn, trigvn_len, LITERAL_HASHLABEL, STRLEN(LITERAL_HASHLABEL));
gvcst_kill(TRUE);
BUILD_HASHT_SUB_SUB_CURRKEY(trigvn, trigvn_len, LITERAL_HASHCOUNT, STRLEN(LITERAL_HASHCOUNT));
gvcst_kill(TRUE);
cleanup_trigger_name(trigvn, trigvn_len, trig_name, trig_name_len);
cleanup_trigger_hash(trigvn, trigvn_len, tt_val, tt_val_len, &set_hash, &kill_hash, TRUE, index);
} else
{
cleanup_trigger_hash(trigvn, trigvn_len, tt_val, tt_val_len, &set_hash, &kill_hash, TRUE, index);
cleanup_trigger_name(trigvn, trigvn_len, trig_name, trig_name_len);
if (index != count)
{ /* Shift the last trigger (index is #COUNT value) to the just deleted trigger's index.
* This way count is always accurate and can still be used as the index for new triggers.
* Note - there is no dependence on the trigger order, or this technique wouldn't work.
*/
ptr1 = tmp_trig_str;
memcpy(ptr1, trigvn, trigvn_len);
ptr1 += trigvn_len;
*ptr1++ = '\0';
tmp_len = trigvn_len + 1;
for (sub_indx = 0; sub_indx < NUM_TOTAL_SUBS; sub_indx++)
{
/* $get(^#t(GVN,trigger_count,sub_indx) */
BUILD_HASHT_SUB_MSUB_SUB_CURRKEY(trigvn, trigvn_len, *trigger_count, trigger_subs[sub_indx],
STRLEN(trigger_subs[sub_indx]));
if (gvcst_get(&trigger_value))
{
trig_len = trigger_value.str.len;
/* set ^#t(GVN,trigger_index,sub_indx)=^#t(GVN,trigger_count,sub_indx) */
SET_TRIGGER_GLOBAL_SUB_MSUB_SUB_MVAL(trigvn, trigvn_len, trigger_index,
trigger_subs[sub_indx], STRLEN(trigger_subs[sub_indx]), trigger_value, result);
assert(PUT_SUCCESS == result);
} else if (XECUTE_SUB == sub_indx)
{ /* multi line trigger broken up because it exceeds record size */
for (xecute_idx = 0; ; xecute_idx++)
{
i2mval(&xecute_index, xecute_idx);
BUILD_HASHT_SUB_MSUB_SUB_MSUB_CURRKEY(trigvn, trigvn_len, *trigger_count,
trigger_subs[sub_indx], STRLEN(trigger_subs[sub_indx]), xecute_index);
if (!gvcst_get(&trigger_value))
break;
SET_TRIGGER_GLOBAL_SUB_MSUB_SUB_MSUB_MVAL(trigvn, trigvn_len, trigger_index,
trigger_subs[sub_indx], STRLEN(trigger_subs[sub_indx]), xecute_index,
trigger_value, result);
assert(PUT_SUCCESS == result);
}
assert (xecute_idx >= 2); /* multi-line trigger, indices 0, 1 and 2 MUST be defined */
} else
{
if (((TRIGNAME_SUB == sub_indx) || (CMD_SUB == sub_indx) ||
(CHSET_SUB == sub_indx)))
{ /* CMD, NAME and CHSET cannot be zero length */
if (CDB_STAGNATE > t_tries)
t_retry(cdb_sc_triggermod);
assert(WBTEST_HELPOUT_TRIGDEFBAD == gtm_white_box_test_case_number);
rts_error_csa(CSA_ARG(REG2CSA(gv_cur_region)) VARLSTCNT(8) ERR_TRIGDEFBAD,
6, trigvn_len, trigvn, trigvn_len, trigvn,
STRLEN(trigger_subs[sub_indx]), trigger_subs[sub_indx]);
}
/* OPTIONS, PIECES and DELIM can be zero */
trig_len = 0;
}
if (NUM_SUBS > sub_indx)
{
tt_val[sub_indx] = ptr1;
tt_val_len[sub_indx] = trig_len;
tmp_len += trig_len;
if (0 < trig_len)
{
if (MAX_BUFF_SIZE <= tmp_len)
{ /* Exceeding the temporary buffer is impossible, restart*/
if (CDB_STAGNATE > t_tries)
t_retry(cdb_sc_triggermod);
assert(WBTEST_HELPOUT_TRIGDEFBAD == gtm_white_box_test_case_number);
rts_error_csa(CSA_ARG(REG2CSA(gv_cur_region)) VARLSTCNT(8) ERR_TRIGDEFBAD,
6, trigvn_len, trigvn, trigvn_len, trigvn,
STRLEN(trigger_subs[sub_indx]), trigger_subs[sub_indx]);
}
memcpy(ptr1, trigger_value.str.addr, trig_len);
ptr1 += trig_len;
}
*ptr1++ = '\0';
tmp_len++;
}
}
/* $get(^#t(GVN,trigger_count,"LHASH") for update_trigger_hash_value */
BUILD_HASHT_SUB_MSUB_SUB_CURRKEY(trigvn, trigvn_len, *trigger_count, trigger_subs[LHASH_SUB],
STRLEN(trigger_subs[LHASH_SUB]));
if (!gvcst_get(mv_val_ptr))
return PUT_SUCCESS;
kill_hash.hash_code = (uint4)MV_FORCE_UINT(mv_val_ptr);
/* $get(^#t(GVN,trigger_count,"BHASH") for update_trigger_hash_value */
BUILD_HASHT_SUB_MSUB_SUB_CURRKEY(trigvn, trigvn_len, *trigger_count, trigger_subs[BHASH_SUB],
STRLEN(trigger_subs[BHASH_SUB]));
if (!gvcst_get(mv_val_ptr))
return PUT_SUCCESS;
set_hash.hash_code = (uint4)MV_FORCE_UINT(mv_val_ptr);
/* update hash values from above */
if (VAL_TOO_LONG == (retval = update_trigger_hash_value(trigvn, trigvn_len, tt_val, tt_val_len,
&set_hash, &kill_hash, count, index)))
return VAL_TOO_LONG;
/* fix the value ^#t("#TNAME",^#t(GVN,index,"#TRIGNAME")) to point to the correct "index" */
if (VAL_TOO_LONG == (retval = update_trigger_name_value(tt_val[TRIGNAME_SUB],
tt_val_len[TRIGNAME_SUB], index)))
return VAL_TOO_LONG;
/* kill ^#t(GVN,COUNT) which was just shifted to trigger_index */
BUILD_HASHT_SUB_MSUB_CURRKEY(trigvn, trigvn_len, *trigger_count);
gvcst_kill(TRUE);
}
/* Update #COUNT */
count--;
MV_FORCE_UMVAL(trigger_count, count);
SET_TRIGGER_GLOBAL_SUB_SUB_MVAL(trigvn, trigvn_len, LITERAL_HASHCOUNT, STRLEN(LITERAL_HASHCOUNT), *trigger_count,
result);
assert(PUT_SUCCESS == result); /* Size of count can only get shorter or stay the same */
}
return PUT_SUCCESS;
}
STATICFNDEF int4 update_trigger_hash_value(char *trigvn, int trigvn_len, char **values, uint4 *value_len, stringkey *set_hash,
stringkey *kill_hash, int old_trig_index, int new_trig_index)
{
sgmnt_addrs *csa;
int hash_index;
mval key_val;
uint4 len;
mval mv_hash;
mval mv_hash_indx;
int num_len;
char *ptr;
int4 result;
char tmp_str[MAX_MIDENT_LEN + 1 + MAX_DIGITS_IN_INT];
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
assert(!gv_cur_region->read_only); /* caller should have already checked this */
assert(cs_addrs->hasht_tree == gv_target); /* should have been set up by caller */
assert(gv_target->root); /* should have been ensured by caller */
csa = cs_addrs;
if ((NULL != strchr(values[CMD_SUB], 'S')) && (set_hash->hash_code != kill_hash->hash_code))
{
if (!search_trigger_hash(trigvn, trigvn_len, set_hash, old_trig_index, &hash_index))
{ /* There has to be an entry with the old hash value, we just looked it up */
TRHASH_DEFINITION_RETRY_OR_ERROR(set_hash, csa);
}
MV_FORCE_UMVAL(&mv_hash, set_hash->hash_code);
MV_FORCE_UMVAL(&mv_hash_indx, hash_index);
BUILD_HASHT_SUB_SUB_MSUB_MSUB_CURRKEY(trigvn, trigvn_len,
LITERAL_HASHTRHASH, STRLEN(LITERAL_HASHTRHASH), mv_hash, mv_hash_indx);
if (!gvcst_get(&key_val))
{ /* There has to be a #TRHASH entry */
TRHASH_DEFINITION_RETRY_OR_ERROR(set_hash, csa);
}
assert((MAX_MIDENT_LEN + 1 + MAX_DIGITS_IN_INT) >= key_val.str.len);
ptr = key_val.str.addr;
len = MIN(key_val.str.len, MAX_MIDENT_LEN);
STRNLEN(ptr, len, len);
ptr += len;
if ((key_val.str.len == len) || ('\0' != *ptr))
{ /* We expect $c(0) in the middle of ptr. If we dont find it, this is a restartable situation */
if (CDB_STAGNATE > t_tries)
t_retry(cdb_sc_triggermod);
assert(WBTEST_HELPOUT_TRIGDEFBAD == gtm_white_box_test_case_number);
rts_error_csa(CSA_ARG(REG2CSA(gv_cur_region)) VARLSTCNT(8) ERR_TRIGDEFBAD, 6, trigvn_len, trigvn,
LEN_AND_LIT("\"#BHASH\""), mv_hash.str.len, mv_hash.str.addr);
}
memcpy(tmp_str, key_val.str.addr, len);
ptr = tmp_str + len;
*ptr++ = '\0';
num_len = 0;
I2A(ptr, num_len, new_trig_index);
len += num_len + 1;
SET_TRIGGER_GLOBAL_SUB_SUB_MSUB_MSUB_STR(trigvn, trigvn_len,
LITERAL_HASHTRHASH, STRLEN(LITERAL_HASHTRHASH), mv_hash, mv_hash_indx, tmp_str, len, result);
if (PUT_SUCCESS != result)
return result;
}
if (!search_trigger_hash(trigvn, trigvn_len, kill_hash, old_trig_index, &hash_index))
{ /* There has to be an entry with the old hash value, we just looked it up */
TRHASH_DEFINITION_RETRY_OR_ERROR(kill_hash, csa);
}
MV_FORCE_UMVAL(&mv_hash, kill_hash->hash_code);
MV_FORCE_UMVAL(&mv_hash_indx, hash_index);
BUILD_HASHT_SUB_SUB_MSUB_MSUB_CURRKEY(trigvn, trigvn_len,
LITERAL_HASHTRHASH, STRLEN(LITERAL_HASHTRHASH), mv_hash, mv_hash_indx);
if (!gvcst_get(&key_val))
{ /* There has to be a #TRHASH entry */
TRHASH_DEFINITION_RETRY_OR_ERROR(kill_hash, csa);
}
assert((MAX_MIDENT_LEN + 1 + MAX_DIGITS_IN_INT) >= key_val.str.len);
ptr = key_val.str.addr;
len = MIN(key_val.str.len, MAX_MIDENT_LEN);
STRNLEN(ptr, len, len);
ptr += len;
if ((key_val.str.len == len) || ('\0' != *ptr))
{ /* We expect $c(0) in the middle of ptr. If we dont find it, this is a restartable situation */
if (CDB_STAGNATE > t_tries)
t_retry(cdb_sc_triggermod);
assert(WBTEST_HELPOUT_TRIGDEFBAD == gtm_white_box_test_case_number);
rts_error_csa(CSA_ARG(REG2CSA(gv_cur_region)) VARLSTCNT(8) ERR_TRIGDEFBAD, 6, trigvn_len, trigvn,
LEN_AND_LIT("\"#LHASH\""), mv_hash.str.len, mv_hash.str.addr);
}
memcpy(tmp_str, key_val.str.addr, len);
ptr = tmp_str + len;
*ptr++ = '\0';
num_len = 0;
I2A(ptr, num_len, new_trig_index);
len += num_len + 1;
SET_TRIGGER_GLOBAL_SUB_SUB_MSUB_MSUB_STR(trigvn, trigvn_len,
LITERAL_HASHTRHASH, STRLEN(LITERAL_HASHTRHASH), mv_hash, mv_hash_indx, tmp_str, len, result);
return result;
}
void gv_rundown(void)
{
gd_region *r_top, *r_save, *r_local;
gd_addr *addr_ptr;
sgm_info *si;
int4 rundown_status = EXIT_NRM; /* if gds_rundown went smoothly */
# ifdef VMS
vms_gds_info *gds_info;
# elif UNIX
unix_db_info *udi;
# endif
#if defined(DEBUG) && defined(UNIX)
sgmnt_addrs *csa;
# endif
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
r_save = gv_cur_region; /* Save for possible core dump */
gvcmy_rundown();
ENABLE_AST
if (pool_init)
rel_lock(jnlpool.jnlpool_dummy_reg);
for (addr_ptr = get_next_gdr(NULL); addr_ptr; addr_ptr = get_next_gdr(addr_ptr))
{
for (r_local = addr_ptr->regions, r_top = r_local + addr_ptr->n_regions; r_local < r_top; r_local++)
{
if (r_local->open && !r_local->was_open && dba_cm != r_local->dyn.addr->acc_meth)
{ /* Rundown has already occurred for GT.CM client regions through gvcmy_rundown() above.
* Hence the (dba_cm != ...) check in the if above. Note that for GT.CM client regions,
* region->open is TRUE although cs_addrs is NULL.
*/
# if defined(DEBUG) && defined(UNIX)
if (is_jnlpool_creator && ANTICIPATORY_FREEZE_AVAILABLE && TREF(gtm_test_fake_enospc))
{ /* Clear ENOSPC faking now that we are running down */
csa = REG2CSA(r_local);
if (csa->nl->fake_db_enospc || csa->nl->fake_jnl_enospc)
{
send_msg_csa(CSA_ARG(NULL) VARLSTCNT(8) ERR_TEXT, 2, DB_LEN_STR(r_local), ERR_TEXT,
2, LEN_AND_LIT("Resetting fake_db_enospc and fake_jnl_enospc"));
csa->nl->fake_db_enospc = FALSE;
csa->nl->fake_jnl_enospc = FALSE;
}
}
# endif
gv_cur_region = r_local;
tp_change_reg();
UNIX_ONLY(rundown_status |=) gds_rundown();
/* Now that gds_rundown is done, free up the memory associated with the region.
* Ideally the following memory freeing code should go to gds_rundown, but
* GT.CM calls gds_rundown() and we want to reuse memory for GT.CM.
*/
if (NULL != cs_addrs)
{
if (NULL != cs_addrs->dir_tree)
FREE_CSA_DIR_TREE(cs_addrs);
if (cs_addrs->sgm_info_ptr)
{
si = cs_addrs->sgm_info_ptr;
/* It is possible we got interrupted before initializing all fields of "si"
* completely so account for NULL values while freeing/releasing those fields.
*/
assert((si->tp_csa == cs_addrs) || (NULL == si->tp_csa));
if (si->jnl_tail)
{
CAREFUL_FREEUP_BUDDY_LIST(si->format_buff_list);
CAREFUL_FREEUP_BUDDY_LIST(si->jnl_list);
}
CAREFUL_FREEUP_BUDDY_LIST(si->recompute_list);
CAREFUL_FREEUP_BUDDY_LIST(si->new_buff_list);
CAREFUL_FREEUP_BUDDY_LIST(si->tlvl_info_list);
CAREFUL_FREEUP_BUDDY_LIST(si->tlvl_cw_set_list);
CAREFUL_FREEUP_BUDDY_LIST(si->cw_set_list);
if (NULL != si->blks_in_use)
{
free_hashtab_int4(si->blks_in_use);
free(si->blks_in_use);
si->blks_in_use = NULL;
}
if (si->cr_array_size)
{
assert(NULL != si->cr_array);
if (NULL != si->cr_array)
free(si->cr_array);
}
if (NULL != si->first_tp_hist)
free(si->first_tp_hist);
free(si);
}
if (cs_addrs->jnl)
{
assert(&FILE_INFO(cs_addrs->jnl->region)->s_addrs == cs_addrs);
if (cs_addrs->jnl->jnllsb)
{
UNIX_ONLY(assert(FALSE));
free(cs_addrs->jnl->jnllsb);
}
free(cs_addrs->jnl);
}
GTMCRYPT_ONLY(
if (cs_addrs->encrypted_blk_contents)
free(cs_addrs->encrypted_blk_contents);
)
}
assert(gv_cur_region->dyn.addr->file_cntl->file_info);
VMS_ONLY(
gds_info = (vms_gds_info *)gv_cur_region->dyn.addr->file_cntl->file_info;
if (gds_info->xabpro)
free(gds_info->xabpro);
if (gds_info->xabfhc)
free(gds_info->xabfhc);
if (gds_info->nam)
{
free(gds_info->nam->nam$l_esa);
free(gds_info->nam);
}
if (gds_info->fab)
free(gds_info->fab);
)
free(gv_cur_region->dyn.addr->file_cntl->file_info);
free(gv_cur_region->dyn.addr->file_cntl);
}
r_local->open = r_local->was_open = FALSE;
}
}
boolean_t trigger_delete_name(char *trigger_name, uint4 trigger_name_len, uint4 *trig_stats)
{
sgmnt_addrs *csa;
char curr_name[MAX_MIDENT_LEN + 1];
uint4 curr_name_len, orig_name_len;
mval mv_curr_nam;
char *ptr;
char *name_tail_ptr;
char save_name[MAX_MIDENT_LEN + 1];
gv_key save_currkey[DBKEYALLOC(MAX_KEY_SZ)];
gd_region *save_gv_cur_region, *lgtrig_reg;
gv_namehead *save_gv_target;
sgm_info *save_sgm_info_ptr;
mval trig_gbl;
mval *trigger_count;
char trigvn[MAX_MIDENT_LEN + 1];
int trigvn_len;
int trig_indx;
int badpos;
boolean_t wildcard;
char utilprefix[1024];
int utilprefixlen;
boolean_t first_gtmio;
uint4 triggers_deleted;
mval trigjrec;
boolean_t jnl_format_done;
gd_region *reg, *reg_top;
char disp_trigvn[MAX_MIDENT_LEN + SPANREG_REGION_LITLEN + MAX_RN_LEN + 1 + 1];
/* SPANREG_REGION_LITLEN for " (region ", MAX_RN_LEN for region name,
* 1 for ")" and 1 for trailing '\0'.
*/
int disp_trigvn_len;
int trig_protected_mval_push_count;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
badpos = 0;
trigjrec.mvtype = MV_STR;
trigjrec.str.len = trigger_name_len--;
trigjrec.str.addr = trigger_name++;
orig_name_len = trigger_name_len;
if ((0 == trigger_name_len)
|| (trigger_name_len != (badpos = validate_input_trigger_name(trigger_name, trigger_name_len, &wildcard))))
{ /* is the input name valid */
CONV_STR_AND_PRINT("Invalid trigger NAME string: ", orig_name_len, trigger_name);
/* badpos is the string position where the bad character was found, pretty print it */
trig_stats[STATS_ERROR_TRIGFILE]++;
return TRIG_FAILURE;
}
name_tail_ptr = trigger_name + trigger_name_len - 1;
if ((TRIGNAME_SEQ_DELIM == *name_tail_ptr) || wildcard)
trigger_name_len--; /* drop the trailing # sign for wildcard */
jnl_format_done = FALSE;
lgtrig_reg = NULL;
first_gtmio = TRUE;
triggers_deleted = 0;
assert(trigger_name_len < MAX_MIDENT_LEN);
memcpy(save_name, trigger_name, trigger_name_len);
save_name[trigger_name_len] = '\0';
utilprefixlen = ARRAYSIZE(utilprefix);
trig_protected_mval_push_count = 0;
INCR_AND_PUSH_MV_STENT(trigger_count); /* Protect trigger_count from garbage collection */
for (reg = gd_header->regions, reg_top = reg + gd_header->n_regions; reg < reg_top; reg++)
{
GVTR_SWITCH_REG_AND_HASHT_BIND_NAME(reg);
csa = cs_addrs;
if (NULL == csa) /* not BG or MM access method */
continue;
/* gv_target now points to ^#t in region "reg" */
/* To write the LGTRIG logical jnl record, choose some region that has journaling enabled */
if (!reg->read_only && !jnl_format_done && JNL_WRITE_LOGICAL_RECS(csa))
lgtrig_reg = reg;
if (!gv_target->root)
continue;
memcpy(curr_name, save_name, trigger_name_len);
curr_name_len = trigger_name_len;
do {
/* GVN = $get(^#t("#TNAME",curr_name)) */
BUILD_HASHT_SUB_SUB_CURRKEY(LITERAL_HASHTNAME, STRLEN(LITERAL_HASHTNAME), curr_name, curr_name_len);
if (gvcst_get(&trig_gbl))
{
if (reg->read_only)
rts_error_csa(CSA_ARG(csa) VARLSTCNT(4) ERR_TRIGMODREGNOTRW, 2, REG_LEN_STR(reg));
SAVE_TRIGGER_REGION_INFO(save_currkey);
ptr = trig_gbl.str.addr;
trigvn_len = MIN(trig_gbl.str.len, MAX_MIDENT_LEN);
STRNLEN(ptr, trigvn_len, trigvn_len);
ptr += trigvn_len;
if ((trig_gbl.str.len == trigvn_len) || ('\0' != *ptr))
{ /* We expect $c(0) in the middle of ptr. If not found, this is a restartable situation */
if (CDB_STAGNATE > t_tries)
t_retry(cdb_sc_triggermod);
assert(WBTEST_HELPOUT_TRIGDEFBAD == gtm_white_box_test_case_number);
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(6) ERR_TRIGNAMBAD, 4, LEN_AND_LIT("\"#TNAME\""),
curr_name_len, curr_name);
}
memcpy(trigvn, trig_gbl.str.addr, trigvn_len);
/* the index is just beyond the length of the GVN string */
ptr++;
A2I(ptr, trig_gbl.str.addr + trig_gbl.str.len, trig_indx);
if (1 > trig_indx)
{ /* Trigger indexes start from 1 */
if (CDB_STAGNATE > t_tries)
t_retry(cdb_sc_triggermod);
assert(WBTEST_HELPOUT_TRIGDEFBAD == gtm_white_box_test_case_number);
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(6) ERR_TRIGNAMBAD, 4, LEN_AND_LIT("\"#TNAME\""),
curr_name_len, curr_name);
}
SET_DISP_TRIGVN(reg, disp_trigvn, disp_trigvn_len, trigvn, trigvn_len);
/* $get(^#t(GVN,"COUNT") */
BUILD_HASHT_SUB_SUB_CURRKEY(trigvn, trigvn_len, LITERAL_HASHCOUNT, STRLEN(LITERAL_HASHCOUNT));
if (!gvcst_get(trigger_count))
{ /* We just looked this up, if it doesn't exist then assume a concurrent update occurred */
if (CDB_STAGNATE > t_tries)
t_retry(cdb_sc_triggermod);
assert(WBTEST_HELPOUT_TRIGDEFBAD == gtm_white_box_test_case_number);
rts_error_csa(CSA_ARG(REG2CSA(gv_cur_region)) VARLSTCNT(8) ERR_TRIGDEFBAD, 6,
trigvn_len, trigvn, trigvn_len, trigvn, LEN_AND_LIT("\"#COUNT\""));
}
if (!jnl_format_done && JNL_WRITE_LOGICAL_RECS(csa))
{
jnl_format(JNL_LGTRIG, NULL, &trigjrec, 0);
jnl_format_done = TRUE;
}
/* kill the target trigger for GVN at index trig_indx */
if (PUT_SUCCESS != (trigger_delete(trigvn, trigvn_len, trigger_count, trig_indx)))
{
UTIL_PRINT_PREFIX_IF_NEEDED(first_gtmio, utilprefix, &utilprefixlen);
util_out_print_gtmio("Trigger named !AD exists in the lookup table for global ^!AD," \
" but was not deleted!", FLUSH, orig_name_len, trigger_name,
disp_trigvn_len, disp_trigvn);
trig_stats[STATS_ERROR_TRIGFILE]++;
RETURN_AND_POP_MVALS(TRIG_FAILURE);
} else
{
csa->incr_db_trigger_cycle = TRUE;
trigger_incr_cycle(trigvn, trigvn_len); /* ^#t records changed, increment cycle */
if (dollar_ztrigger_invoked)
{ /* Increment db_dztrigger_cycle so that next gvcst_put/gvcst_kill in this
* transaction, on this region, will re-read triggers. See trigger_update.c
* for a comment on why it is okay for db_dztrigger_cycle to be incremented
* more than once in the same transaction.
*/
csa->db_dztrigger_cycle++;
}
trig_stats[STATS_DELETED]++;
if (0 == trig_stats[STATS_ERROR_TRIGFILE])
{
UTIL_PRINT_PREFIX_IF_NEEDED(first_gtmio, utilprefix, &utilprefixlen);
util_out_print_gtmio("Deleted trigger named '!AD' for global ^!AD",
FLUSH, curr_name_len, curr_name, disp_trigvn_len, disp_trigvn);
}
}
trigger_count->mvtype = 0; /* allow stp_gcol to release the current contents if necessary */
RESTORE_TRIGGER_REGION_INFO(save_currkey);
triggers_deleted++;
}
if (!wildcard)
/* not a wild card, don't $order for the next match */
break;
op_gvorder(&mv_curr_nam);
if (0 == mv_curr_nam.str.len)
break;
assert(mv_curr_nam.str.len < MAX_MIDENT_LEN);
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, trigger_name_len))
/* stop when gv_order returns a string that no longer starts save_name */
break;
} while (TRUE);
}
DECR_AND_POP_MV_STENT();
if (!jnl_format_done && (NULL != lgtrig_reg))
{ /* There was no journaled region that had a ^#t update, but found at least one journaled region
* so write a LGTRIG logical jnl record there.
*/
GVTR_SWITCH_REG_AND_HASHT_BIND_NAME(lgtrig_reg);
csa = cs_addrs;
/* Attach to jnlpool. Normally SET or KILL of the ^#t records take care of this but in
* case this is a NO-OP trigger operation that wont update any ^#t records and we still
* want to write a TLGTRIG/ULGTRIG journal record. Hence the need to do this.
*/
JNLPOOL_INIT_IF_NEEDED(csa, csa->hdr, csa->nl);
assert(dollar_tlevel);
/* below is needed to set update_trans TRUE on this region even if NO db updates happen to ^#t nodes */
T_BEGIN_SETORKILL_NONTP_OR_TP(ERR_TRIGLOADFAIL);
jnl_format(JNL_LGTRIG, NULL, &trigjrec, 0);
jnl_format_done = TRUE;
}
if (wildcard)
{
UTIL_PRINT_PREFIX_IF_NEEDED(first_gtmio, utilprefix, &utilprefixlen);
if (triggers_deleted)
{
trig_stats[STATS_NOERROR_TRIGFILE]++;
util_out_print_gtmio("All existing triggers named !AD (count = !UL) now deleted",
FLUSH, orig_name_len, trigger_name, triggers_deleted);
} else
{
trig_stats[STATS_UNCHANGED_TRIGFILE]++;
util_out_print_gtmio("No matching triggers of the form !AD found for deletion",
FLUSH, orig_name_len, trigger_name);
}
} else if (triggers_deleted)
{
/* util_out_print_gtmio of "Deleted trigger named ..." already done so no need to do it again */
trig_stats[STATS_NOERROR_TRIGFILE]++;
} else
{ /* No names match. But treat it as a no-op (i.e. success). */
UTIL_PRINT_PREFIX_IF_NEEDED(first_gtmio, utilprefix, &utilprefixlen);
util_out_print_gtmio("Trigger named !AD does not exist", FLUSH, orig_name_len, trigger_name);
trig_stats[STATS_UNCHANGED_TRIGFILE]++;
}
return TRIG_SUCCESS;
}
