void gv_init_reg (gd_region *reg)
{
gv_namehead *g;
sgmnt_addrs *csa;
#ifdef NOLICENSE
licensed= TRUE ;
#else
CRYPT_CHKSYSTEM ;
#endif
switch (reg->dyn.addr->acc_meth)
{
case dba_usr:
gvusr_init (reg, &gv_cur_region, &gv_currkey, &gv_altkey);
break;
/* we may be left in dba_cm state for gt_cm, if we have rundown the db and again accessed
the db without quitting out of gtm */
case dba_cm:
case dba_mm:
case dba_bg:
if (!reg->open)
gvcst_init(reg);
break;
default:
GTMASSERT;
}
assert(reg->open);
GVKEYSIZE_INCREASE_IF_NEEDED(DBKEYSIZE(reg->max_key_size));
if (reg->dyn.addr->acc_meth == dba_bg || reg->dyn.addr->acc_meth == dba_mm)
{
if (!reg->was_open)
{
csa = (sgmnt_addrs*)&FILE_INFO(reg)->s_addrs;
g = csa->dir_tree;
if (NULL != g)
{ /* It is possible that dir_tree has already been targ_alloc'ed. This is because GT.CM or VMS DAL
* calls can run down regions without the process halting out. We don't want to double malloc.
*/
g->clue.end = 0;
}
SET_CSA_DIR_TREE(csa, reg->max_key_size, reg);
}
}
return;
}
void mu_int_reg(gd_region *reg, boolean_t *return_value, boolean_t return_after_open)
{
boolean_t read_only, was_crit;
freeze_status status;
node_local_ptr_t cnl;
sgmnt_addrs *csa;
sgmnt_data_ptr_t csd;
sgmnt_data *csd_copy_ptr;
gd_segment *seg;
int gtmcrypt_errno;
# ifdef DEBUG
boolean_t need_to_wait = FALSE;
int trynum;
uint4 curr_wbox_seq_num;
# endif
*return_value = FALSE;
jnlpool_init_needed = TRUE;
ESTABLISH(mu_int_reg_ch);
if (dba_usr == reg->dyn.addr->acc_meth)
{
util_out_print("!/Can't integ region !AD; not GDS format", TRUE, REG_LEN_STR(reg));
mu_int_skipreg_cnt++;
return;
}
gv_cur_region = reg;
if (reg_cmcheck(reg))
{
util_out_print("!/Can't integ region across network", TRUE);
mu_int_skipreg_cnt++;
return;
}
gvcst_init(gv_cur_region);
if (gv_cur_region->was_open)
{ /* already open under another name */
gv_cur_region->open = FALSE;
return;
}
if (return_after_open)
{
*return_value = TRUE;
return;
}
change_reg();
csa = &FILE_INFO(gv_cur_region)->s_addrs;
cnl = csa->nl;
csd = csa->hdr;
read_only = gv_cur_region->read_only;
assert(NULL != mu_int_master);
/* Ensure that we don't see an increase in the file header and master map size compared to it's maximum values */
assert(SGMNT_HDR_LEN >= SIZEOF(sgmnt_data) && (MASTER_MAP_SIZE_MAX >= MASTER_MAP_SIZE(csd)));
/* ONLINE INTEG if asked for explicitly by specifying -ONLINE is an error if the db has partial V4 blocks.
* However, if -ONLINE is not explicitly specified but rather assumed implicitly (as default for -REG)
* then turn off ONLINE INTEG for this region and continue as if -NOONLINE was specified
*/
if (!csd->fully_upgraded)
{
ointeg_this_reg = FALSE; /* Turn off ONLINE INTEG for this region */
if (online_specified)
{
gtm_putmsg_csa(CSA_ARG(csa) VARLSTCNT(4) ERR_SSV4NOALLOW, 2, DB_LEN_STR(gv_cur_region));
util_out_print(NO_ONLINE_ERR_MSG, TRUE);
mu_int_skipreg_cnt++;
return;
}
}
if (!ointeg_this_reg || read_only)
{
status = region_freeze(gv_cur_region, TRUE, FALSE, TRUE, FALSE, !read_only);
switch (status)
{
case REG_ALREADY_FROZEN:
if (csa->read_only_fs)
break;
util_out_print("!/Database for region !AD is already frozen, not integing",
TRUE, REG_LEN_STR(gv_cur_region));
mu_int_skipreg_cnt++;
return;
case REG_FLUSH_ERROR:
gtm_putmsg_csa(CSA_ARG(csa) VARLSTCNT(6) ERR_BUFFLUFAILED, 4, LEN_AND_LIT(MUPIP_INTEG),
DB_LEN_STR(gv_cur_region));
mu_int_skipreg_cnt++;
return;
case REG_HAS_KIP:
/* We have already waited for KIP to reset. This time do not wait for KIP */
status = region_freeze(gv_cur_region, TRUE, FALSE, FALSE, FALSE, !read_only);
if (REG_ALREADY_FROZEN == status)
{
if (csa->read_only_fs)
break;
util_out_print("!/Database for region !AD is already frozen, not integing",
TRUE, REG_LEN_STR(gv_cur_region));
mu_int_skipreg_cnt++;
return;
} else if (REG_FLUSH_ERROR == status)
{
gtm_putmsg_csa(CSA_ARG(csa) VARLSTCNT(6) ERR_BUFFLUFAILED, 4, LEN_AND_LIT(MUPIP_INTEG),
DB_LEN_STR(gv_cur_region));
mu_int_skipreg_cnt++;
return;
}
assert(REG_FREEZE_SUCCESS == status);
/* no break */
case REG_FREEZE_SUCCESS:
break;
default:
assert(FALSE);
/* no break */
}
if (read_only && (dba_bg == csa->hdr->acc_meth) && !mu_int_wait_rdonly(csa, MUPIP_INTEG))
{
mu_int_skipreg_cnt++;
return;
}
}
if (!ointeg_this_reg)
{ /* Take a copy of the file-header. To ensure it is consistent, do it while holding crit. */
was_crit = csa->now_crit;
if (!was_crit)
grab_crit(gv_cur_region);
memcpy((uchar_ptr_t)&mu_int_data, (uchar_ptr_t)csd, SIZEOF(sgmnt_data));
if (!was_crit)
rel_crit(gv_cur_region);
memcpy(mu_int_master, MM_ADDR(csd), MASTER_MAP_SIZE(csd));
csd_copy_ptr = &mu_int_data;
} else
{
if (!ss_initiate(gv_cur_region, util_ss_ptr, &csa->ss_ctx, preserve_snapshot, MUPIP_INTEG))
{
mu_int_skipreg_cnt++;
assert(NULL != csa->ss_ctx);
ss_release(&csa->ss_ctx);
ointeg_this_reg = FALSE; /* Turn off ONLINE INTEG for this region */
assert(process_id != cnl->in_crit); /* Ensure ss_initiate released the crit before returning */
assert(!FROZEN_HARD(csd)); /* Ensure region is unfrozen before returning from ss_initiate */
assert(INTRPT_IN_SS_INITIATE != intrpt_ok_state); /* Ensure ss_initiate released intrpt_ok_state */
return;
}
assert(process_id != cnl->in_crit); /* Ensure ss_initiate released the crit before returning */
assert(INTRPT_IN_SS_INITIATE != intrpt_ok_state); /* Ensure ss_initiate released intrpt_ok_state */
csd_copy_ptr = &csa->ss_ctx->ss_shm_ptr->shadow_file_header;
# if defined(DEBUG)
curr_wbox_seq_num = 1;
cnl->wbox_test_seq_num = curr_wbox_seq_num; /* indicate we took the next step */
GTM_WHITE_BOX_TEST(WBTEST_OINTEG_WAIT_ON_START, need_to_wait, TRUE);
if (need_to_wait) /* wait for them to take next step */
{
trynum = 30; /* given 30 cycles to tell you to go */
while ((curr_wbox_seq_num == cnl->wbox_test_seq_num) && trynum--)
LONG_SLEEP(1);
cnl->wbox_test_seq_num++; /* let them know we took the next step */
assert(trynum);
}
# endif
}
if (USES_ANY_KEY(csd_copy_ptr))
{ /* Initialize mu_int_encrypt_key_handle to be used in mu_int_read */
seg = gv_cur_region->dyn.addr;
INIT_DB_OR_JNL_ENCRYPTION(&mu_int_encr_handles, csd_copy_ptr, seg->fname_len, (char *)seg->fname, gtmcrypt_errno);
if (0 != gtmcrypt_errno)
{
GTMCRYPT_REPORT_ERROR(gtmcrypt_errno, gtm_putmsg, seg->fname_len, seg->fname);
mu_int_skipreg_cnt++;
return;
}
}
*return_value = mu_int_fhead();
REVERT;
return;
}
int4 mupip_set_file(int db_fn_len, char *db_fn)
{
bool got_standalone;
boolean_t bypass_partial_recov, need_standalone = FALSE;
char acc_spec[MAX_ACC_METH_LEN], ver_spec[MAX_DB_VER_LEN], exit_stat, *fn;
unsigned short acc_spec_len = MAX_ACC_METH_LEN, ver_spec_len = MAX_DB_VER_LEN;
int fd, fn_len;
int4 status;
int4 status1;
int glbl_buff_status, defer_status, rsrvd_bytes_status,
extn_count_status, lock_space_status, disk_wait_status;
int4 new_disk_wait, new_cache_size, new_extn_count, new_lock_space, reserved_bytes, defer_time;
sgmnt_data_ptr_t csd;
tp_region *rptr, single;
enum db_acc_method access, access_new;
enum db_ver desired_dbver;
gd_region *temp_cur_region;
char *errptr, *command = "MUPIP SET VERSION";
int save_errno;
error_def(ERR_DBPREMATEOF);
error_def(ERR_DBRDERR);
error_def(ERR_DBRDONLY);
error_def(ERR_INVACCMETHOD);
error_def(ERR_MUNOACTION);
error_def(ERR_RBWRNNOTCHG);
error_def(ERR_WCERRNOTCHG);
error_def(ERR_WCWRNNOTCHG);
error_def(ERR_MMNODYNDWNGRD);
exit_stat = EXIT_NRM;
defer_status = cli_present("DEFER_TIME");
if (defer_status)
need_standalone = TRUE;
bypass_partial_recov = cli_present("PARTIAL_RECOV_BYPASS") == CLI_PRESENT;
if (bypass_partial_recov)
need_standalone = TRUE;
if (disk_wait_status = cli_present("WAIT_DISK"))
{
if (cli_get_int("WAIT_DISK", &new_disk_wait))
{
if (new_disk_wait < 0)
{
util_out_print("!UL negative, minimum WAIT_DISK allowed is 0.", TRUE, new_disk_wait);
return (int4)ERR_WCWRNNOTCHG;
}
need_standalone = TRUE;
} else
{
util_out_print("Error getting WAIT_DISK qualifier value", TRUE);
return (int4)ERR_WCWRNNOTCHG;
}
}
if (glbl_buff_status = cli_present("GLOBAL_BUFFERS"))
{
if (cli_get_int("GLOBAL_BUFFERS", &new_cache_size))
{
if (new_cache_size > WC_MAX_BUFFS)
{
util_out_print("!UL too large, maximum write cache buffers allowed is !UL", TRUE, new_cache_size,
WC_MAX_BUFFS);
return (int4)ERR_WCWRNNOTCHG;
}
if (new_cache_size < WC_MIN_BUFFS)
{
util_out_print("!UL too small, minimum cache buffers allowed is !UL", TRUE, new_cache_size,
WC_MIN_BUFFS);
return (int4)ERR_WCWRNNOTCHG;
}
} else
{
util_out_print("Error getting GLOBAL BUFFER qualifier value", TRUE);
return (int4)ERR_WCWRNNOTCHG;
}
need_standalone = TRUE;
}
/* EXTENSION_COUNT does not require standalone access and hence need_standalone will not be set to TRUE for this. */
if (extn_count_status = cli_present("EXTENSION_COUNT"))
{
if (cli_get_int("EXTENSION_COUNT", &new_extn_count))
{
if (new_extn_count > MAX_EXTN_COUNT)
{
util_out_print("!UL too large, maximum extension count allowed is !UL", TRUE, new_extn_count,
MAX_EXTN_COUNT);
return (int4)ERR_WCWRNNOTCHG;
}
if (new_extn_count < MIN_EXTN_COUNT)
{
util_out_print("!UL too small, minimum extension count allowed is !UL", TRUE, new_extn_count,
MIN_EXTN_COUNT);
return (int4)ERR_WCWRNNOTCHG;
}
} else
{
util_out_print("Error getting EXTENSION COUNT qualifier value", TRUE);
return (int4)ERR_WCWRNNOTCHG;
}
}
if (lock_space_status = cli_present("LOCK_SPACE"))
{
if (cli_get_int("LOCK_SPACE", &new_lock_space))
{
if (new_lock_space > MAX_LOCK_SPACE)
{
util_out_print("!UL too large, maximum lock space allowed is !UL", TRUE,
new_lock_space, MAX_LOCK_SPACE);
return (int4)ERR_WCWRNNOTCHG;
}
else if (new_lock_space < MIN_LOCK_SPACE)
{
util_out_print("!UL too small, minimum lock space allowed is !UL", TRUE,
new_lock_space, MIN_LOCK_SPACE);
return (int4)ERR_WCWRNNOTCHG;
}
} else
{
util_out_print("Error getting LOCK_SPACE qualifier value", TRUE);
return (int4)ERR_WCWRNNOTCHG;
}
need_standalone = TRUE;
}
if (rsrvd_bytes_status = cli_present("RESERVED_BYTES"))
{
if (!cli_get_int("RESERVED_BYTES", &reserved_bytes))
{
util_out_print("Error getting RESERVED BYTES qualifier value", TRUE);
return (int4)ERR_RBWRNNOTCHG;
}
need_standalone = TRUE;
}
if (cli_present("ACCESS_METHOD"))
{
cli_get_str("ACCESS_METHOD", acc_spec, &acc_spec_len);
cli_strupper(acc_spec);
if (0 == memcmp(acc_spec, "MM", acc_spec_len))
access = dba_mm;
else if (0 == memcmp(acc_spec, "BG", acc_spec_len))
access = dba_bg;
else
mupip_exit(ERR_INVACCMETHOD);
need_standalone = TRUE;
} else
access = n_dba; /* really want to keep current method,
which has not yet been read */
if (cli_present("VERSION"))
{
assert(!need_standalone);
cli_get_str("VERSION", ver_spec, &ver_spec_len);
cli_strupper(ver_spec);
if (0 == memcmp(ver_spec, "V4", ver_spec_len))
desired_dbver = GDSV4;
else if (0 == memcmp(ver_spec, "V5", ver_spec_len))
desired_dbver = GDSV5;
else
GTMASSERT; /* CLI should prevent us ever getting here */
} else
desired_dbver = GDSVLAST; /* really want to keep version, which has not yet been read */
if (region)
rptr = grlist;
else
{
rptr = &single;
memset(&single, 0, sizeof(single));
}
csd = (sgmnt_data *)malloc(ROUND_UP(sizeof(sgmnt_data), DISK_BLOCK_SIZE));
in_backup = FALSE; /* Only want yes/no from mupfndfil, not an address */
for (; rptr != NULL; rptr = rptr->fPtr)
{
if (region)
{
if (dba_usr == rptr->reg->dyn.addr->acc_meth)
{
util_out_print("!/Region !AD is not a GDS access type", TRUE, REG_LEN_STR(rptr->reg));
exit_stat |= EXIT_WRN;
continue;
}
if (!mupfndfil(rptr->reg, NULL))
continue;
fn = (char *)rptr->reg->dyn.addr->fname;
fn_len = rptr->reg->dyn.addr->fname_len;
} else
{
fn = db_fn;
fn_len = db_fn_len;
}
mu_gv_cur_reg_init();
strcpy((char *)gv_cur_region->dyn.addr->fname, fn);
gv_cur_region->dyn.addr->fname_len = fn_len;
if (!need_standalone)
{
gvcst_init(gv_cur_region);
change_reg(); /* sets cs_addrs and cs_data */
if (gv_cur_region->read_only)
{
gtm_putmsg(VARLSTCNT(4) ERR_DBRDONLY, 2, DB_LEN_STR(gv_cur_region));
exit_stat |= EXIT_ERR;
gds_rundown();
mu_gv_cur_reg_free();
continue;
}
grab_crit(gv_cur_region);
status = EXIT_NRM;
access_new = (n_dba == access ? cs_data->acc_meth : access);
/* recalculate; n_dba is a proxy for no change */
change_fhead_timer("FLUSH_TIME", cs_data->flush_time,
(dba_bg == access_new ? TIM_FLU_MOD_BG : TIM_FLU_MOD_MM),
FALSE);
if (GDSVLAST != desired_dbver)
{
if ((dba_mm != access_new) || (GDSV4 != desired_dbver))
status1 = desired_db_format_set(gv_cur_region, desired_dbver, command);
else
{
status1 = ERR_MMNODYNDWNGRD;
gtm_putmsg(VARLSTCNT(4) status1, 2, REG_LEN_STR(gv_cur_region));
}
if (SS_NORMAL != status1)
{ /* "desired_db_format_set" would have printed appropriate error messages */
if (ERR_MUNOACTION != status1)
{ /* real error occurred while setting the db format. skip to next region */
status = EXIT_ERR;
}
}
}
if (EXIT_NRM == status)
{
if (extn_count_status)
cs_data->extension_size = (uint4)new_extn_count;
wcs_flu(WCSFLU_FLUSH_HDR);
if (extn_count_status)
util_out_print("Database file !AD now has extension count !UL",
TRUE, fn_len, fn, cs_data->extension_size);
if (GDSVLAST != desired_dbver)
util_out_print("Database file !AD now has desired DB format !AD", TRUE,
fn_len, fn, LEN_AND_STR(gtm_dbversion_table[cs_data->desired_db_format]));
} else
exit_stat |= status;
rel_crit(gv_cur_region);
gds_rundown();
} else
{ /* Following part needs standalone access */
assert(GDSVLAST == desired_dbver);
got_standalone = mu_rndwn_file(gv_cur_region, TRUE);
if (FALSE == got_standalone)
return (int4)ERR_WCERRNOTCHG;
/* we should open it (for changing) after mu_rndwn_file, since mu_rndwn_file changes the file header too */
if (-1 == (fd = OPEN(fn, O_RDWR)))
{
save_errno = errno;
errptr = (char *)STRERROR(save_errno);
util_out_print("open : !AZ", TRUE, errptr);
exit_stat |= EXIT_ERR;
db_ipcs_reset(gv_cur_region, FALSE);
mu_gv_cur_reg_free();
continue;
}
LSEEKREAD(fd, 0, csd, sizeof(sgmnt_data), status);
if (0 != status)
{
save_errno = errno;
PERROR("Error reading header of file");
errptr = (char *)STRERROR(save_errno);
util_out_print("read : !AZ", TRUE, errptr);
util_out_print("Error reading header of file", TRUE);
util_out_print("Database file !AD not changed: ", TRUE, fn_len, fn);
if (-1 != status)
rts_error(VARLSTCNT(4) ERR_DBRDERR, 2, fn_len, fn);
else
rts_error(VARLSTCNT(4) ERR_DBPREMATEOF, 2, fn_len, fn);
}
if (rsrvd_bytes_status)
{
if (reserved_bytes > MAX_RESERVE_B(csd))
{
util_out_print("!UL too large, maximum reserved bytes allowed is !UL for database file !AD",
TRUE, reserved_bytes, MAX_RESERVE_B(csd), fn_len, fn);
close(fd);
db_ipcs_reset(gv_cur_region, FALSE);
return (int4)ERR_RBWRNNOTCHG;
}
csd->reserved_bytes = reserved_bytes;
}
access_new = (n_dba == access ? csd->acc_meth : access);
/* recalculate; n_dba is a proxy for no change */
change_fhead_timer("FLUSH_TIME", csd->flush_time,
(dba_bg == access_new ? TIM_FLU_MOD_BG : TIM_FLU_MOD_MM),
FALSE);
if ((n_dba != access) && (csd->acc_meth != access)) /* n_dba is a proxy for no change */
{
if (dba_mm == access)
csd->defer_time = 1; /* defer defaults to 1 */
csd->acc_meth = access;
if (0 == csd->n_bts)
{
csd->n_bts = WC_DEF_BUFFS;
csd->bt_buckets = getprime(csd->n_bts);
}
}
if (glbl_buff_status)
{
csd->n_bts = BT_FACTOR(new_cache_size);
csd->bt_buckets = getprime(csd->n_bts);
csd->n_wrt_per_flu = 7;
csd->flush_trigger = FLUSH_FACTOR(csd->n_bts);
}
if (disk_wait_status)
csd->wait_disk_space = new_disk_wait;
if (extn_count_status)
csd->extension_size = (uint4)new_extn_count;
if (lock_space_status)
csd->lock_space_size = (uint4)new_lock_space * OS_PAGELET_SIZE;
if (bypass_partial_recov)
{
csd->file_corrupt = FALSE;
util_out_print("Database file !AD now has partial recovery flag set to !UL(FALSE) ",
TRUE, fn_len, fn, csd->file_corrupt);
}
if (dba_mm == access_new)
{
if (CLI_NEGATED == defer_status)
csd->defer_time = 0;
else if (CLI_PRESENT == defer_status)
{
if (!cli_get_num("DEFER_TIME", &defer_time))
{
util_out_print("Error getting DEFER_TIME qualifier value", TRUE);
db_ipcs_reset(gv_cur_region, FALSE);
return (int4)ERR_RBWRNNOTCHG;
}
if (-1 > defer_time)
{
util_out_print("DEFER_TIME cannot take negative values less than -1", TRUE);
util_out_print("Database file !AD not changed", TRUE, fn_len, fn);
exit_stat |= EXIT_WRN;
db_ipcs_reset(gv_cur_region, FALSE);
mu_gv_cur_reg_free();
continue;
}
csd->defer_time = defer_time;
}
if (csd->blks_to_upgrd)
{
util_out_print("MM access method cannot be set if there are blocks to upgrade", TRUE);
util_out_print("Database file !AD not changed", TRUE, fn_len, fn);
exit_stat |= EXIT_WRN;
db_ipcs_reset(gv_cur_region, FALSE);
mu_gv_cur_reg_free();
continue;
}
if (GDSVCURR != csd->desired_db_format)
{
util_out_print("MM access method cannot be set in DB compatibility mode",
TRUE);
util_out_print("Database file !AD not changed", TRUE, fn_len, fn);
exit_stat |= EXIT_WRN;
db_ipcs_reset(gv_cur_region, FALSE);
mu_gv_cur_reg_free();
continue;
}
if (JNL_ENABLED(csd) && csd->jnl_before_image)
{
util_out_print("MM access method cannot be set with BEFORE image journaling", TRUE);
util_out_print("Database file !AD not changed", TRUE, fn_len, fn);
exit_stat |= EXIT_WRN;
db_ipcs_reset(gv_cur_region, FALSE);
mu_gv_cur_reg_free();
continue;
}
csd->jnl_before_image = FALSE;
} else
{
if (defer_status)
{
util_out_print("DEFER cannot be specified with BG access method.", TRUE);
util_out_print("Database file !AD not changed", TRUE, fn_len, fn);
exit_stat |= EXIT_WRN;
db_ipcs_reset(gv_cur_region, FALSE);
mu_gv_cur_reg_free();
continue;
}
}
LSEEKWRITE(fd, 0, csd, sizeof(sgmnt_data), status);
if (0 != status)
{
save_errno = errno;
errptr = (char *)STRERROR(save_errno);
util_out_print("write : !AZ", TRUE, errptr);
util_out_print("Error writing header of file", TRUE);
util_out_print("Database file !AD not changed: ", TRUE, fn_len, fn);
rts_error(VARLSTCNT(4) ERR_DBRDERR, 2, fn_len, fn);
}
close(fd);
/* --------------------- report results ------------------------- */
if (glbl_buff_status)
util_out_print("Database file !AD now has !UL global buffers",
TRUE, fn_len, fn, csd->n_bts);
if (defer_status && (dba_mm == csd->acc_meth))
util_out_print("Database file !AD now has defer_time set to !SL",
TRUE, fn_len, fn, csd->defer_time);
if (rsrvd_bytes_status)
util_out_print("Database file !AD now has !UL reserved bytes",
TRUE, fn_len, fn, csd->reserved_bytes);
if (extn_count_status)
util_out_print("Database file !AD now has extension count !UL",
TRUE, fn_len, fn, csd->extension_size);
if (lock_space_status)
util_out_print("Database file !AD now has lock space !UL pages",
TRUE, fn_len, fn, csd->lock_space_size/OS_PAGELET_SIZE);
if (disk_wait_status)
util_out_print("Database file !AD now has wait disk set to !UL seconds",
TRUE, fn_len, fn, csd->wait_disk_space);
db_ipcs_reset(gv_cur_region, FALSE);
} /* end of else part if (!need_standalone) */
mu_gv_cur_reg_free();
}
free(csd);
assert(!(exit_stat & EXIT_INF));
return (exit_stat & EXIT_ERR ? (int4)ERR_WCERRNOTCHG :
(exit_stat & EXIT_WRN ? (int4)ERR_WCWRNNOTCHG : SS_NORMAL));
}
void mu_int_reg(gd_region *reg, boolean_t *return_value)
{
boolean_t read_only, was_crit;
freeze_status status;
node_local_ptr_t cnl;
sgmnt_addrs *csa;
sgmnt_data_ptr_t csd;
# ifdef DEBUG
boolean_t need_to_wait = FALSE;
int trynum;
uint4 curr_wbox_seq_num;
# endif
sgmnt_data *csd_copy_ptr;
gd_segment *seg;
int gtmcrypt_errno;
*return_value = FALSE;
UNIX_ONLY(jnlpool_init_needed = TRUE);
ESTABLISH(mu_int_reg_ch);
if (dba_usr == reg->dyn.addr->acc_meth)
{
util_out_print("!/Can't integ region !AD; not GDS format", TRUE, REG_LEN_STR(reg));
mu_int_skipreg_cnt++;
return;
}
gv_cur_region = reg;
if (reg_cmcheck(reg))
{
util_out_print("!/Can't integ region across network", TRUE);
mu_int_skipreg_cnt++;
return;
}
gvcst_init(gv_cur_region);
if (gv_cur_region->was_open)
{ /* already open under another name */
gv_cur_region->open = FALSE;
return;
}
change_reg();
csa = &FILE_INFO(gv_cur_region)->s_addrs;
cnl = csa->nl;
csd = csa->hdr;
read_only = gv_cur_region->read_only;
assert(NULL != mu_int_master);
/* Ensure that we don't see an increase in the file header and master map size compared to it's maximum values */
assert(SGMNT_HDR_LEN >= SIZEOF(sgmnt_data) && (MASTER_MAP_SIZE_MAX >= MASTER_MAP_SIZE(csd)));
/* ONLINE INTEG if asked for explicitly by specifying -ONLINE is an error if the db has partial V4 blocks.
* However, if -ONLINE is not explicitly specified but rather assumed implicitly (as default for -REG)
* then turn off ONLINE INTEG for this region and continue as if -NOONLINE was specified
*/
# ifdef GTM_SNAPSHOT
if (!csd->fully_upgraded)
{
ointeg_this_reg = FALSE; /* Turn off ONLINE INTEG for this region */
if (online_specified)
{
gtm_putmsg_csa(CSA_ARG(csa) VARLSTCNT(4) ERR_SSV4NOALLOW, 2, DB_LEN_STR(gv_cur_region));
util_out_print(NO_ONLINE_ERR_MSG, TRUE);
mu_int_skipreg_cnt++;
return;
}
}
# endif
if (!ointeg_this_reg || read_only)
{
status = region_freeze(gv_cur_region, TRUE, FALSE, TRUE);
switch (status)
{
case REG_ALREADY_FROZEN:
UNIX_ONLY(if (csa->read_only_fs) break);
util_out_print("!/Database for region !AD is already frozen, not integing",
TRUE, REG_LEN_STR(gv_cur_region));
mu_int_skipreg_cnt++;
return;
case REG_HAS_KIP:
/* We have already waited for KIP to reset. This time do not wait for KIP */
status = region_freeze(gv_cur_region, TRUE, FALSE, FALSE);
if (REG_ALREADY_FROZEN == status)
{
UNIX_ONLY(if (csa->read_only_fs) break);
util_out_print("!/Database for region !AD is already frozen, not integing",
TRUE, REG_LEN_STR(gv_cur_region));
mu_int_skipreg_cnt++;
return;
}
break;
case REG_FREEZE_SUCCESS:
break;
default:
assert(FALSE);
}
void mu_reorg_upgrd_dwngrd(void)
{
blk_hdr new_hdr;
blk_segment *bs1, *bs_ptr;
block_id *blkid_ptr, curblk, curbmp, start_blk, stop_blk, start_bmp, last_bmp;
block_id startblk_input, stopblk_input;
boolean_t upgrade, downgrade, safejnl, nosafejnl, region, first_reorg_in_this_db_fmt, reorg_entiredb;
boolean_t startblk_specified, stopblk_specified, set_fully_upgraded, db_got_to_v5_once, mark_blk_free;
cache_rec_ptr_t cr;
char *bml_lcl_buff = NULL, *command, *reorg_command;
sm_uc_ptr_t bptr = NULL;
cw_set_element *cse;
enum cdb_sc cdb_status;
enum db_ver new_db_format, ondsk_blkver;
gd_region *reg;
int cycle;
int4 blk_seg_cnt, blk_size; /* needed for BLK_INIT,BLK_SEG and BLK_FINI macros */
int4 blocks_left, expected_blks2upgrd, actual_blks2upgrd, total_blks, free_blks;
int4 status, status1, mapsize, lcnt, bml_status;
reorg_stats_t reorg_stats;
sgmnt_addrs *csa;
sgmnt_data_ptr_t csd;
sm_uc_ptr_t blkBase, bml_sm_buff; /* shared memory pointer to the bitmap global buffer */
srch_hist alt_hist;
srch_blk_status *blkhist, bmlhist;
tp_region *rptr;
trans_num curr_tn;
unsigned char save_cw_set_depth;
uint4 lcl_update_trans;
region = (CLI_PRESENT == cli_present("REGION"));
upgrade = (CLI_PRESENT == cli_present("UPGRADE"));
downgrade = (CLI_PRESENT == cli_present("DOWNGRADE"));
assert(upgrade && !downgrade || !upgrade && downgrade);
command = upgrade ? "UPGRADE" : "DOWNGRADE";
reorg_command = upgrade ? "MUPIP REORG UPGRADE" : "MUPIP REORG DOWNGRADE";
reorg_entiredb = TRUE; /* unless STARTBLK or STOPBLK is specified we are going to {up,down}grade the entire database */
startblk_specified = FALSE;
assert(SIZEOF(block_id) == SIZEOF(uint4));
if ((CLI_PRESENT == cli_present("STARTBLK")) && (cli_get_hex("STARTBLK", (uint4 *)&startblk_input)))
{
reorg_entiredb = FALSE;
startblk_specified = TRUE;
}
stopblk_specified = FALSE;
assert(SIZEOF(block_id) == SIZEOF(uint4));
if ((CLI_PRESENT == cli_present("STOPBLK")) && (cli_get_hex("STOPBLK", (uint4 *)&stopblk_input)))
{
reorg_entiredb = FALSE;
stopblk_specified = TRUE;
}
mu_reorg_upgrd_dwngrd_in_prog = TRUE;
mu_reorg_nosafejnl = (CLI_NEGATED == cli_present("SAFEJNL")) ? TRUE : FALSE;
assert(region);
status = SS_NORMAL;
error_mupip = FALSE;
gvinit(); /* initialize gd_header (needed by the later call to mu_getlst) */
mu_getlst("REG_NAME", SIZEOF(tp_region)); /* get the parameter corresponding to REGION qualifier */
if (error_mupip)
{
util_out_print("!/MUPIP REORG !AD cannot proceed with above errors!/", TRUE, LEN_AND_STR(command));
mupip_exit(ERR_MUNOACTION);
}
assert(DBKEYSIZE(MAX_KEY_SZ) == gv_keysize); /* no need to invoke GVKEYSIZE_INIT_IF_NEEDED macro */
gv_target = targ_alloc(gv_keysize, NULL, NULL); /* t_begin needs this initialized */
gv_target_list = NULL;
memset(&alt_hist, 0, SIZEOF(alt_hist)); /* null-initialize history */
blkhist = &alt_hist.h[0];
for (rptr = grlist; NULL != rptr; rptr = rptr->fPtr)
{
if (mu_ctrly_occurred || mu_ctrlc_occurred)
break;
reg = rptr->reg;
util_out_print("!/Region !AD : MUPIP REORG !AD started", TRUE, REG_LEN_STR(reg), LEN_AND_STR(command));
if (reg_cmcheck(reg))
{
util_out_print("Region !AD : MUPIP REORG !AD cannot run across network",
TRUE, REG_LEN_STR(reg), LEN_AND_STR(command));
status = ERR_MUNOFINISH;
continue;
}
mu_reorg_process = TRUE; /* gvcst_init will use this value to use gtm_poollimit settings. */
gvcst_init(reg);
mu_reorg_process = FALSE;
assert(update_array != NULL);
/* access method stored in global directory and database file header might be different in which case
* the database setting prevails. therefore, the access method check can be done only after opening
* the database (i.e. after the gvcst_init)
*/
if (dba_bg != REG_ACC_METH(reg))
{
util_out_print("Region !AD : MUPIP REORG !AD cannot continue as access method is not BG",
TRUE, REG_LEN_STR(reg), LEN_AND_STR(command));
status = ERR_MUNOFINISH;
continue;
}
/* The mu_getlst call above uses insert_region to create the grlist, which ensures that duplicate regions mapping to
* the same db file correspond to only one grlist entry.
*/
assert(FALSE == reg->was_open);
TP_CHANGE_REG(reg); /* sets gv_cur_region, cs_addrs, cs_data */
csa = cs_addrs;
csd = cs_data;
blk_size = csd->blk_size; /* "blk_size" is used by the BLK_FINI macro */
if (reg->read_only)
{
gtm_putmsg_csa(CSA_ARG(csa) VARLSTCNT(4) ERR_DBRDONLY, 2, DB_LEN_STR(reg));
status = ERR_MUNOFINISH;
continue;
}
assert(GDSVCURR == GDSV6); /* so we trip this assert in case GDSVCURR changes without a change to this module */
new_db_format = (upgrade ? GDSV6 : GDSV4);
grab_crit(reg);
curr_tn = csd->trans_hist.curr_tn;
/* set the desired db format in the file header to the appropriate version, increment transaction number */
status1 = desired_db_format_set(reg, new_db_format, reorg_command);
assert(csa->now_crit); /* desired_db_format_set() should not have released crit */
first_reorg_in_this_db_fmt = TRUE; /* with the current desired_db_format, this is the first reorg */
if (SS_NORMAL != status1)
{ /* "desired_db_format_set" would have printed appropriate error messages */
if (ERR_MUNOACTION != status1)
{ /* real error occurred while setting the db format. skip to next region */
status = ERR_MUNOFINISH;
rel_crit(reg);
continue;
}
util_out_print("Region !AD : Desired DB Format remains at !AD after !AD", TRUE, REG_LEN_STR(reg),
LEN_AND_STR(gtm_dbversion_table[new_db_format]), LEN_AND_STR(reorg_command));
if (csd->reorg_db_fmt_start_tn == csd->desired_db_format_tn)
first_reorg_in_this_db_fmt = FALSE;
} else
util_out_print("Region !AD : Desired DB Format set to !AD by !AD", TRUE, REG_LEN_STR(reg),
LEN_AND_STR(gtm_dbversion_table[new_db_format]), LEN_AND_STR(reorg_command));
assert(dba_bg == csd->acc_meth);
/* Check blks_to_upgrd counter to see if upgrade/downgrade is complete */
total_blks = csd->trans_hist.total_blks;
free_blks = csd->trans_hist.free_blocks;
actual_blks2upgrd = csd->blks_to_upgrd;
/* If MUPIP REORG UPGRADE and there is no block to upgrade in the database as indicated by BOTH
* "csd->blks_to_upgrd" and "csd->fully_upgraded", then we can skip processing.
* If MUPIP REORG UPGRADE and all non-free blocks need to be upgraded then again we can skip processing.
*/
if ((upgrade && (0 == actual_blks2upgrd) && csd->fully_upgraded)
|| (!upgrade && ((total_blks - free_blks) == actual_blks2upgrd)))
{
util_out_print("Region !AD : Blocks to Upgrade counter indicates no action needed for MUPIP REORG !AD",
TRUE, REG_LEN_STR(reg), LEN_AND_STR(command));
util_out_print("Region !AD : Total Blocks = [0x!XL] : Free Blocks = [0x!XL] : "
"Blocks to upgrade = [0x!XL]",
TRUE, REG_LEN_STR(reg), total_blks, free_blks, actual_blks2upgrd);
util_out_print("Region !AD : MUPIP REORG !AD finished!/", TRUE, REG_LEN_STR(reg), LEN_AND_STR(command));
rel_crit(reg);
continue;
}
stop_blk = total_blks;
if (stopblk_specified && stopblk_input <= stop_blk)
stop_blk = stopblk_input;
if (first_reorg_in_this_db_fmt)
{ /* Note down reorg start tn (in case we are interrupted, future reorg will know to resume) */
csd->reorg_db_fmt_start_tn = csd->desired_db_format_tn;
csd->reorg_upgrd_dwngrd_restart_block = 0;
start_blk = (startblk_specified ? startblk_input : 0);
} else
{ /* Either a concurrent MUPIP REORG of the same type ({up,down}grade) is currently running
* or a previously running REORG of the same type was interrupted (Ctrl-Ced).
* In either case resume processing from whatever restart block number is stored in fileheader
* the only exception is if "STARTBLK" was specified in the input in which use that unconditionally.
*/
start_blk = (startblk_specified ? startblk_input : csd->reorg_upgrd_dwngrd_restart_block);
}
if (start_blk > stop_blk)
start_blk = stop_blk;
mu_reorg_upgrd_dwngrd_start_tn = csd->reorg_db_fmt_start_tn;
/* Before releasing crit, flush the file-header and dirty buffers in cache to disk. This is because we are now
* going to read each GDS block directly from disk to determine if it needs to be upgraded/downgraded or not.
*/
if (!wcs_flu(WCSFLU_FLUSH_HDR)) /* wcs_flu assumes gv_cur_region is set (which it is in this routine) */
{
rel_crit(reg);
gtm_putmsg_csa(CSA_ARG(csa)
VARLSTCNT(6) ERR_BUFFLUFAILED, 4, LEN_AND_LIT("MUPIP REORG UPGRADE/DOWNGRADE"), DB_LEN_STR(reg));
status = ERR_MUNOFINISH;
continue;
}
rel_crit(reg);
/* Loop through entire database one GDS block at a time and upgrade/downgrade each of them */
status1 = SS_NORMAL;
start_bmp = ROUND_DOWN2(start_blk, BLKS_PER_LMAP);
last_bmp = ROUND_DOWN2(stop_blk - 1, BLKS_PER_LMAP);
curblk = start_blk; /* curblk is the block to be upgraded/downgraded */
util_out_print("Region !AD : Started processing from block number [0x!XL]", TRUE, REG_LEN_STR(reg), curblk);
if (NULL != bptr)
{ /* malloc/free "bptr" for each region as GDS block-size can be different */
free(bptr);
bptr = NULL;
}
memset(&reorg_stats, 0, SIZEOF(reorg_stats)); /* initialize statistics for this region */
for (curbmp = start_bmp; curbmp <= last_bmp; curbmp += BLKS_PER_LMAP)
{
if (mu_ctrly_occurred || mu_ctrlc_occurred)
{
status1 = ERR_MUNOFINISH;
break;
}
/* --------------------------------------------------------------
* Read in current bitmap block
* --------------------------------------------------------------
*/
assert(!csa->now_crit);
bml_sm_buff = t_qread(curbmp, (sm_int_ptr_t)&cycle, &cr); /* bring block into the cache outside of crit */
reorg_stats.blks_read_from_disk_bmp++;
grab_crit_encr_cycle_sync(reg); /* needed so t_qread does not return NULL below */
if (mu_reorg_upgrd_dwngrd_start_tn != csd->desired_db_format_tn)
{ /* csd->desired_db_format changed since reorg started. discontinue the reorg */
/* see later comment on "csd->reorg_upgrd_dwngrd_restart_block" for why the assignment
* of this field should be done only if a db format change did not occur.
*/
rel_crit(reg);
status1 = ERR_MUNOFINISH;
/* This "start_tn" check is redone after the for-loop and an error message is printed there */
break;
} else if (reorg_entiredb)
{ /* Change "csd->reorg_upgrd_dwngrd_restart_block" only if STARTBLK or STOPBLK was NOT specified */
assert(csd->reorg_upgrd_dwngrd_restart_block <= MAX(start_blk, curbmp));
csd->reorg_upgrd_dwngrd_restart_block = curbmp; /* previous blocks have been upgraded/downgraded */
}
/* Check blks_to_upgrd counter to see if upgrade/downgrade is complete.
* Repeat check done a few steps earlier outside of this for loop.
*/
total_blks = csd->trans_hist.total_blks;
free_blks = csd->trans_hist.free_blocks;
actual_blks2upgrd = csd->blks_to_upgrd;
if ((upgrade && (0 == actual_blks2upgrd) && csd->fully_upgraded)
|| (!upgrade && ((total_blks - free_blks) == actual_blks2upgrd)))
{
rel_crit(reg);
break;
}
bml_sm_buff = t_qread(curbmp, (sm_int_ptr_t)&cycle, &cr); /* now that in crit, note down stable buffer */
if (NULL == bml_sm_buff)
rts_error_csa(CSA_ARG(csa) VARLSTCNT(1) ERR_DSEBLKRDFAIL);
ondsk_blkver = cr->ondsk_blkver; /* note down db fmt on disk for bitmap block */
/* Take a copy of the shared memory bitmap buffer into process-private memory before releasing crit.
* We are interested in those blocks that are currently marked as USED in the bitmap.
* It is possible that once we release crit, concurrent updates change the bitmap state of those blocks.
* In that case, those updates will take care of doing the upgrade/downgrade of those blocks in the
* format currently set in csd->desired_db_format i.e. accomplishing MUPIP REORG UPGRADE/DOWNGRADE's job.
* If the desired_db_format changes concurrently, we will stop doing REORG UPGRADE/DOWNGRADE processing.
*/
if (NULL == bml_lcl_buff)
bml_lcl_buff = malloc(BM_SIZE(BLKS_PER_LMAP));
memcpy(bml_lcl_buff, (blk_hdr_ptr_t)bml_sm_buff, BM_SIZE(BLKS_PER_LMAP));
if (FALSE == cert_blk(reg, curbmp, (blk_hdr_ptr_t)bml_lcl_buff, 0, FALSE))
{ /* certify the block while holding crit as cert_blk uses fields from file-header (shared memory) */
assert(FALSE); /* in pro, skip ugprading/downgarding all blks in this unreliable local bitmap */
rel_crit(reg);
util_out_print("Region !AD : Bitmap Block [0x!XL] has integrity errors. Skipping this bitmap.",
TRUE, REG_LEN_STR(reg), curbmp);
status1 = ERR_MUNOFINISH;
continue;
}
rel_crit(reg);
/* ------------------------------------------------------------------------
* Upgrade/Downgrade all BUSY blocks in the current bitmap
* ------------------------------------------------------------------------
*/
curblk = (curbmp == start_bmp) ? start_blk : curbmp;
mapsize = (curbmp == last_bmp) ? (stop_blk - curbmp) : BLKS_PER_LMAP;
assert(0 != mapsize);
assert(mapsize <= BLKS_PER_LMAP);
db_got_to_v5_once = csd->db_got_to_v5_once;
for (lcnt = curblk - curbmp; lcnt < mapsize; lcnt++, curblk++)
{
if (mu_ctrly_occurred || mu_ctrlc_occurred)
{
status1 = ERR_MUNOFINISH;
goto stop_reorg_on_this_reg; /* goto needed because of nested FOR Loop */
}
GET_BM_STATUS(bml_lcl_buff, lcnt, bml_status);
assert(BLK_MAPINVALID != bml_status); /* cert_blk ran clean so we dont expect invalid entries */
if (BLK_FREE == bml_status)
{
reorg_stats.blks_skipped_free++;
continue;
}
/* MUPIP REORG UPGRADE/DOWNGRADE will convert USED & RECYCLED blocks */
if (db_got_to_v5_once || (BLK_RECYCLED != bml_status))
{ /* Do NOT read recycled V4 block from disk unless it is guaranteed NOT to be too full */
if (lcnt)
{ /* non-bitmap block */
/* read in block from disk into private buffer. dont pollute the cache yet */
if (NULL == bptr)
bptr = (sm_uc_ptr_t)malloc(blk_size);
status1 = dsk_read(curblk, bptr, &ondsk_blkver, FALSE);
/* dsk_read on curblk could return an error (DYNUPGRDFAIL) if curblk needs to be
* upgraded and if its block size was too big to allow the extra block-header space
* requirements for a dynamic upgrade. a MUPIP REORG DOWNGRADE should not error out
* in that case as the block is already in the downgraded format.
*/
if (SS_NORMAL != status1)
{
if (!upgrade && (ERR_DYNUPGRDFAIL == status1))
{
assert(GDSV4 == new_db_format);
ondsk_blkver = new_db_format;
} else
{
gtm_putmsg_csa(CSA_ARG(csa)
VARLSTCNT(5) ERR_DBFILERR, 2, DB_LEN_STR(reg), status1);
util_out_print("Region !AD : Error occurred while reading block "
"[0x!XL]", TRUE, REG_LEN_STR(reg), curblk);
status1 = ERR_MUNOFINISH;
goto stop_reorg_on_this_reg;/* goto needed due to nested FOR Loop */
}
}
reorg_stats.blks_read_from_disk_nonbmp++;
} /* else bitmap block has been read in crit earlier and ondsk_blkver appropriately set */
if (new_db_format == ondsk_blkver)
{
assert((SS_NORMAL == status1) || (!upgrade && (ERR_DYNUPGRDFAIL == status1)));
status1 = SS_NORMAL; /* treat DYNUPGRDFAIL as no error in case of downgrade */
reorg_stats.blks_skipped_newfmtindisk++;
continue; /* current disk version is identical to what is desired */
}
assert(SS_NORMAL == status1);
}
/* Begin non-TP transaction to upgrade/downgrade the block.
* The way we do that is by updating the block using a null update array.
* Any update to a block will trigger an automatic upgrade/downgrade of the block based on
* the current fileheader desired_db_format setting and we use that here.
*/
t_begin(ERR_MUREORGFAIL, UPDTRNS_DB_UPDATED_MASK);
for (; ;)
{
CHECK_AND_RESET_UPDATE_ARRAY; /* reset update_array_ptr to update_array */
curr_tn = csd->trans_hist.curr_tn;
db_got_to_v5_once = csd->db_got_to_v5_once;
if (db_got_to_v5_once || (BLK_RECYCLED != bml_status))
{
blkhist->cse = NULL; /* start afresh (do not use value from previous retry) */
blkBase = t_qread(curblk, (sm_int_ptr_t)&blkhist->cycle, &blkhist->cr);
if (NULL == blkBase)
{
t_retry((enum cdb_sc)rdfail_detail);
continue;
}
blkhist->blk_num = curblk;
blkhist->buffaddr = blkBase;
ondsk_blkver = blkhist->cr->ondsk_blkver;
new_hdr = *(blk_hdr_ptr_t)blkBase;
mu_reorg_upgrd_dwngrd_blktn = new_hdr.tn;
mark_blk_free = FALSE;
inctn_opcode = upgrade ? inctn_blkupgrd : inctn_blkdwngrd;
} else
{
mark_blk_free = TRUE;
inctn_opcode = inctn_blkmarkfree;
}
inctn_detail.blknum_struct.blknum = curblk;
/* t_end assumes that the history it is passed does not contain a bitmap block.
* for bitmap block, the history validation information is passed through cse instead.
* therefore we need to handle bitmap and non-bitmap cases separately.
*/
if (!lcnt)
{ /* Means a bitmap block.
* At this point we can do a "new_db_format != ondsk_blkver" check to determine
* if the block got converted since we did the dsk_read (see the non-bitmap case
* for a similar check done there), but in that case we will have a transaction
* which has read 1 bitmap block and is updating no block. "t_end" currently cannot
* handle this case as it expects any bitmap block that needs validation to also
* have a corresponding cse which will hold its history. Hence we avoid doing the
* new_db_format check. The only disadvantage of this is that we will end up
* modifying the bitmap block as part of this transaction (in an attempt to convert
* its ondsk_blkver) even though it is already in the right format. Since this
* overhead is going to be one per bitmap block and since the block is in the cache
* at this point, we should not lose much.
*/
assert(!mark_blk_free);
BLK_ADDR(blkid_ptr, SIZEOF(block_id), block_id);
*blkid_ptr = 0;
t_write_map(blkhist, (unsigned char *)blkid_ptr, curr_tn, 0);
assert(&alt_hist.h[0] == blkhist);
alt_hist.h[0].blk_num = 0; /* create empty history for bitmap block */
assert(update_trans);
} else
{ /* non-bitmap block. fill in history for validation in t_end */
assert(curblk); /* we should never come here for block 0 (bitmap) */
if (!mark_blk_free)
{
assert(blkhist->blk_num == curblk);
assert(blkhist->buffaddr == blkBase);
blkhist->tn = curr_tn;
alt_hist.h[1].blk_num = 0;
}
/* Also need to pass the bitmap as history to detect if any concurrent M-kill
* is freeing up the same USED block that we are trying to convert OR if any
* concurrent M-set is reusing the same RECYCLED block that we are trying to
* convert. Because of t_end currently not being able to validate a bitmap
* without that simultaneously having a cse, we need to create a cse for the
* bitmap that is used only for bitmap history validation, but should not be
* used to update the contents of the bitmap block in bg_update.
*/
bmlhist.buffaddr = t_qread(curbmp, (sm_int_ptr_t)&bmlhist.cycle, &bmlhist.cr);
if (NULL == bmlhist.buffaddr)
{
t_retry((enum cdb_sc)rdfail_detail);
continue;
}
bmlhist.blk_num = curbmp;
bmlhist.tn = curr_tn;
GET_BM_STATUS(bmlhist.buffaddr, lcnt, bml_status);
if (BLK_MAPINVALID == bml_status)
{
t_retry(cdb_sc_lostbmlcr);
continue;
}
if (!mark_blk_free)
{
if ((new_db_format != ondsk_blkver) && (BLK_FREE != bml_status))
{ /* block still needs to be converted. create cse */
BLK_INIT(bs_ptr, bs1);
BLK_SEG(bs_ptr, blkBase + SIZEOF(new_hdr),
new_hdr.bsiz - SIZEOF(new_hdr));
BLK_FINI(bs_ptr, bs1);
t_write(blkhist, (unsigned char *)bs1, 0, 0,
((blk_hdr_ptr_t)blkBase)->levl, FALSE,
FALSE, GDS_WRITE_PLAIN);
/* The directory tree status for now is only used to determine
* whether writing the block to snapshot file (see t_end_sysops.c).
* For reorg upgrade/downgrade process, the block is updated in a
* sequential way without changing the gv_target. In this case, we
* assume the block is in directory tree so as to have it written to
* the snapshot file.
*/
BIT_SET_DIR_TREE(cw_set[cw_set_depth-1].blk_prior_state);
/* reset update_trans in case previous retry had set it to 0 */
update_trans = UPDTRNS_DB_UPDATED_MASK;
if (BLK_RECYCLED == bml_status)
{ /* If block that we are upgarding is RECYCLED, indicate to
* bg_update that blks_to_upgrd counter should NOT be
* touched in this case by setting "mode" to a special value
*/
assert(cw_set[cw_set_depth-1].mode == gds_t_write);
cw_set[cw_set_depth-1].mode = gds_t_write_recycled;
/* we SET block as NOT RECYCLED, otherwise, the mm_update()
* or bg_update_phase2 may skip writing it to snapshot file
* when its level is 0
*/
BIT_CLEAR_RECYCLED(cw_set[cw_set_depth-1].blk_prior_state);
}
} else
{ /* Block got converted by another process since we did the dsk_read.
* or this block became marked free in the bitmap.
* No need to update this block. just call t_end for validation of
* both the non-bitmap block as well as the bitmap block.
* Note down that this transaction is no longer updating any blocks.
*/
update_trans = 0;
}
/* Need to put bit maps on the end of the cw set for concurrency checking.
* We want to simulate t_write_map, except we want to update "cw_map_depth"
* instead of "cw_set_depth". Hence the save and restore logic below.
* This part of the code is similar to the one in mu_swap_blk.c
*/
save_cw_set_depth = cw_set_depth;
assert(!cw_map_depth);
t_write_map(&bmlhist, NULL, curr_tn, 0); /* will increment cw_set_depth */
cw_map_depth = cw_set_depth; /* set cw_map_depth to latest cw_set_depth */
cw_set_depth = save_cw_set_depth;/* restore cw_set_depth */
/* t_write_map simulation end */
} else
{
if (BLK_RECYCLED != bml_status)
{ /* Block was RECYCLED at beginning but no longer so. Retry */
t_retry(cdb_sc_bmlmod);
continue;
}
/* Mark recycled block as FREE in bitmap */
assert(lcnt == (curblk - curbmp));
assert(update_array_ptr == update_array);
*((block_id *)update_array_ptr) = lcnt;
update_array_ptr += SIZEOF(block_id);
/* the following assumes SIZEOF(block_id) == SIZEOF(int) */
assert(SIZEOF(block_id) == SIZEOF(int));
*(int *)update_array_ptr = 0;
t_write_map(&bmlhist, (unsigned char *)update_array, curr_tn, 0);
update_trans = UPDTRNS_DB_UPDATED_MASK;
}
}
assert(SIZEOF(lcl_update_trans) == SIZEOF(update_trans));
lcl_update_trans = update_trans; /* take a copy before t_end modifies it */
if ((trans_num)0 != t_end(&alt_hist, NULL, TN_NOT_SPECIFIED))
{ /* In case this is MM and t_end() remapped an extended database, reset csd */
assert(csd == cs_data);
if (!lcl_update_trans)
{
assert(lcnt);
assert(!mark_blk_free);
assert((new_db_format == ondsk_blkver) || (BLK_BUSY != bml_status));
if (BLK_BUSY != bml_status)
reorg_stats.blks_skipped_free++;
else
reorg_stats.blks_skipped_newfmtincache++;
} else if (!lcnt)
reorg_stats.blks_converted_bmp++;
else
reorg_stats.blks_converted_nonbmp++;
break;
}
assert(csd == cs_data);
}
}
}
stop_reorg_on_this_reg:
/* even though ctrl-c occurred, update file-header fields to store reorg's progress before exiting */
grab_crit(reg);
blocks_left = 0;
assert(csd->trans_hist.total_blks >= csd->blks_to_upgrd);
actual_blks2upgrd = csd->blks_to_upgrd;
total_blks = csd->trans_hist.total_blks;
free_blks = csd->trans_hist.free_blocks;
/* Care should be taken not to set "csd->reorg_upgrd_dwngrd_restart_block" in case of a concurrent db fmt
* change. This is because let us say we are doing REORG UPGRADE. A concurrent REORG DOWNGRADE would
* have reset "csd->reorg_upgrd_dwngrd_restart_block" field to 0 and if that reorg is interrupted by a
* Ctrl-C (before this reorg came here) it would have updated "csd->reorg_upgrd_dwngrd_restart_block" to
* a non-zero value indicating how many blocks from 0 have been downgraded. We should not reset this
* field to "curblk" as it will be mis-interpreted as the number of blocks that have been DOWNgraded.
*/
set_fully_upgraded = FALSE;
if (mu_reorg_upgrd_dwngrd_start_tn != csd->desired_db_format_tn)
{ /* csd->desired_db_format changed since reorg started. discontinue the reorg */
util_out_print("Region !AD : Desired DB Format changed during REORG. Stopping REORG.",
TRUE, REG_LEN_STR(reg));
status1 = ERR_MUNOFINISH;
} else if (reorg_entiredb)
{ /* Change "csd->reorg_upgrd_dwngrd_restart_block" only if STARTBLK or STOPBLK was NOT specified */
assert(csd->reorg_upgrd_dwngrd_restart_block <= curblk);
csd->reorg_upgrd_dwngrd_restart_block = curblk; /* blocks lesser than this have been upgraded/downgraded */
expected_blks2upgrd = upgrade ? 0 : (total_blks - free_blks);
blocks_left = upgrade ? actual_blks2upgrd : (expected_blks2upgrd - actual_blks2upgrd);
/* If this reorg command went through all blocks in the database, then it should have
* correctly concluded at this point whether the reorg is complete or not.
* If this reorg command started from where a previous incomplete reorg left
* (i.e. first_reorg_in_this_db_fmt is FALSE), it cannot determine if the initial
* GDS blocks that it skipped are completely {up,down}graded or not.
*/
assert((0 == blocks_left) || (SS_NORMAL != status1) || !first_reorg_in_this_db_fmt);
/* If this is a MUPIP REORG UPGRADE that did go through every block in the database (indicated by
* "reorg_entiredb" && "first_reorg_in_this_db_fmt") and the current count of "blks_to_upgrd" is
* 0 in the file-header and the desired_db_format did not change since the start of the REORG,
* we can be sure that the entire database has been upgraded. Set "csd->fully_upgraded" to TRUE.
*/
if ((SS_NORMAL == status1) && first_reorg_in_this_db_fmt && upgrade && (0 == actual_blks2upgrd))
{
csd->fully_upgraded = TRUE;
csd->db_got_to_v5_once = TRUE;
set_fully_upgraded = TRUE;
}
/* flush all changes noted down in the file-header */
if (!wcs_flu(WCSFLU_FLUSH_HDR)) /* wcs_flu assumes gv_cur_region is set (which it is in this routine) */
{
gtm_putmsg_csa(CSA_ARG(csa) VARLSTCNT(6) ERR_BUFFLUFAILED, 4,
LEN_AND_LIT("MUPIP REORG UPGRADE/DOWNGRADE"), DB_LEN_STR(reg));
status = ERR_MUNOFINISH;
rel_crit(reg);
continue;
}
}
curr_tn = csd->trans_hist.curr_tn;
rel_crit(reg);
util_out_print("Region !AD : Stopped processing at block number [0x!XL]", TRUE, REG_LEN_STR(reg), curblk);
/* Print statistics */
util_out_print("Region !AD : Statistics : Blocks Read From Disk (Bitmap) : 0x!XL",
TRUE, REG_LEN_STR(reg), reorg_stats.blks_read_from_disk_bmp);
util_out_print("Region !AD : Statistics : Blocks Skipped (Free) : 0x!XL",
TRUE, REG_LEN_STR(reg), reorg_stats.blks_skipped_free);
util_out_print("Region !AD : Statistics : Blocks Read From Disk (Non-Bitmap) : 0x!XL",
TRUE, REG_LEN_STR(reg), reorg_stats.blks_read_from_disk_nonbmp);
util_out_print("Region !AD : Statistics : Blocks Skipped (new fmt in disk) : 0x!XL",
TRUE, REG_LEN_STR(reg), reorg_stats.blks_skipped_newfmtindisk);
util_out_print("Region !AD : Statistics : Blocks Skipped (new fmt in cache) : 0x!XL",
TRUE, REG_LEN_STR(reg), reorg_stats.blks_skipped_newfmtincache);
util_out_print("Region !AD : Statistics : Blocks Converted (Bitmap) : 0x!XL",
TRUE, REG_LEN_STR(reg), reorg_stats.blks_converted_bmp);
util_out_print("Region !AD : Statistics : Blocks Converted (Non-Bitmap) : 0x!XL",
TRUE, REG_LEN_STR(reg), reorg_stats.blks_converted_nonbmp);
if (reorg_entiredb && (SS_NORMAL == status1) && (0 != blocks_left))
{ /* file-header counter does not match what reorg on the entire database expected to see */
gtm_putmsg_csa(CSA_ARG(csa) VARLSTCNT(4) ERR_DBBTUWRNG, 2, expected_blks2upgrd, actual_blks2upgrd);
util_out_print("Region !AD : Run MUPIP INTEG (without FAST qualifier) to fix the counter",
TRUE, REG_LEN_STR(reg));
status1 = ERR_MUNOFINISH;
} else
util_out_print("Region !AD : Total Blocks = [0x!XL] : Free Blocks = [0x!XL] : "
"Blocks to upgrade = [0x!XL]",
TRUE, REG_LEN_STR(reg), total_blks, free_blks, actual_blks2upgrd);
/* Issue success or failure message for this region */
if (SS_NORMAL == status1)
{ /* issue success only if REORG did not encounter any error in its processing */
if (set_fully_upgraded)
util_out_print("Region !AD : Database is now FULLY UPGRADED", TRUE, REG_LEN_STR(reg));
util_out_print("Region !AD : MUPIP REORG !AD finished!/", TRUE, REG_LEN_STR(reg), LEN_AND_STR(command));
send_msg_csa(CSA_ARG(csa) VARLSTCNT(7) ERR_MUREUPDWNGRDEND, 5, REG_LEN_STR(reg),
process_id, process_id, &curr_tn);
} else
{
assert(ERR_MUNOFINISH == status1);
assert((SS_NORMAL == status) || (ERR_MUNOFINISH == status));
util_out_print("Region !AD : MUPIP REORG !AD incomplete. See above messages.!/",
TRUE, REG_LEN_STR(reg), LEN_AND_STR(command));
status = status1;
}
}
if (NULL != bptr)
free(bptr);
if (NULL != bml_lcl_buff)
free(bml_lcl_buff);
if (mu_ctrly_occurred || mu_ctrlc_occurred)
{
gtm_putmsg_csa(CSA_ARG(NULL) VARLSTCNT(1) ERR_REORGCTRLY);
status = ERR_MUNOFINISH;
}
mupip_exit(status);
}
void gv_init_reg (gd_region *reg)
{
gv_key *temp_key;
gv_namehead *g;
sgmnt_addrs *csa;
int keysize;
#ifdef NOLICENSE
licensed= TRUE ;
#else
CRYPT_CHKSYSTEM ;
#endif
switch (reg->dyn.addr->acc_meth)
{
case dba_usr:
gvusr_init (reg, &gv_cur_region, &gv_currkey, &gv_altkey);
break;
/* we may be left in dba_cm state for gt_cm, if we have rundown the db and again accessed
the db without quitting out of gtm */
case dba_cm:
case dba_mm:
case dba_bg:
if( FALSE == reg->open)
gvcst_init (reg);
break;
default:
GTMASSERT;
}
assert(reg->open);
keysize = (reg->max_key_size + MAX_NUM_SUBSC_LEN + 4) & (-4);
if (keysize > gv_keysize)
{
gv_keysize = keysize;
temp_key = (gv_key*)malloc(sizeof(gv_key) - 1 + gv_keysize);
if (gv_currkey)
{
memcpy(temp_key, gv_currkey, sizeof(gv_key) + gv_currkey->end);
free(gv_currkey);
} else
temp_key->base[0] = '\0';
gv_currkey = temp_key;
gv_currkey->top = gv_keysize;
temp_key = (gv_key*)malloc(sizeof(gv_key) - 1 + gv_keysize);
if (gv_altkey)
{
memcpy(temp_key, gv_altkey, sizeof(gv_key) + gv_altkey->end);
free(gv_altkey);
} else
temp_key->base[0] = '\0';
gv_altkey = temp_key;
gv_altkey->top = gv_keysize;
}
if (reg->dyn.addr->acc_meth == dba_bg || reg->dyn.addr->acc_meth == dba_mm)
{
if (!reg->was_open)
{
csa = (sgmnt_addrs*)&FILE_INFO(reg)->s_addrs;
g = csa->dir_tree;
if (NULL != g)
{ /* It is possible that dir_tree has already been targ_alloc'ed. This is because GT.CM or VMS DAL
* calls can run down regions without the process halting out. We don't want to double malloc.
*/
g->clue.end = 0;
}
SET_CSA_DIR_TREE(csa, reg->max_key_size, reg);
}
}
return;
}
short rc_fnd_file(rc_xdsid *xdsid)
{
gv_namehead *g;
short dsid, node;
gd_binding *map;
char buff[1024], *cp, *cp1;
mstr fpath1, fpath2;
mval v;
int i, keysize;
int len, node2;
GET_SHORT(dsid, &xdsid->dsid.value);
GET_SHORT(node, &xdsid->node.value);
if (!dsid_list)
{
/* open special database, set up entry */
dsid_list = (rc_dsid_list *)malloc(SIZEOF(rc_dsid_list));
dsid_list->dsid = RC_NSPACE_DSID;
dsid_list->next = NULL;
fpath1.addr = RC_NSPACE_PATH;
fpath1.len = SIZEOF(RC_NSPACE_PATH);
if (SS_NORMAL != TRANS_LOG_NAME(&fpath1, &fpath2, buff, SIZEOF(buff), do_sendmsg_on_log2long))
{
char msg[256];
SPRINTF(msg, "Invalid DB filename, \"%s\"", fpath1.addr);
gtcm_rep_err(msg, errno);
return RC_BADFILESPEC;
}
if (fpath2.len > MAX_FN_LEN)
return RC_BADFILESPEC;
dsid_list->fname = (char *)malloc(fpath2.len + 1);
memcpy(dsid_list->fname, fpath2.addr, fpath2.len);
*((char*)(dsid_list->fname + fpath2.len)) = 0;
gv_cur_region = (gd_region *)malloc(SIZEOF(gd_region));
memset(gv_cur_region, 0, SIZEOF(gd_region));
gv_cur_region->dyn.addr = (gd_segment *)malloc(SIZEOF(gd_segment));
memset(gv_cur_region->dyn.addr, 0, SIZEOF(gd_segment));
memcpy(gv_cur_region->dyn.addr->fname, fpath2.addr, fpath2.len);
gv_cur_region->dyn.addr->fname_len = fpath2.len;
gv_cur_region->dyn.addr->acc_meth = dba_bg;
ESTABLISH_RET(rc_fnd_file_ch1, RC_SUCCESS);
gvcst_init(gv_cur_region);
REVERT;
change_reg();
/* check to see if this DB has the reserved bytes field set
* correctly. Global pages must always have some extra unused
* space left in them (RC_RESERVED bytes) so that the page
* will fit into the client buffer when unpacked by the
* client.
*/
if (cs_data->reserved_bytes < RC_RESERVED)
{
OMI_DBG((omi_debug,
"Unable to access database file: \"%s\"\nReserved_bytes field in the file header is too small for GT.CM\n",
fpath2.addr));
free(dsid_list->fname);
dsid_list->fname = NULL;
free(dsid_list);
dsid_list = NULL;
free(gv_cur_region->dyn.addr);
gv_cur_region->dyn.addr = NULL;
free(gv_cur_region);
gv_cur_region = NULL;
return RC_FILEACCESS;
}
gv_keysize = DBKEYSIZE(gv_cur_region->max_key_size);
GVKEY_INIT(gv_currkey, gv_keysize);
GVKEY_INIT(gv_altkey, gv_keysize);
cs_addrs->dir_tree = (gv_namehead *)malloc(SIZEOF(gv_namehead) + 2 * SIZEOF(gv_key) + 3 * (gv_keysize - 1));
g = cs_addrs->dir_tree;
g->first_rec = (gv_key*)(g->clue.base + gv_keysize);
g->last_rec = (gv_key*)(g->first_rec->base + gv_keysize);
g->clue.top = g->last_rec->top = g->first_rec->top = gv_keysize;
g->clue.prev = g->clue.end = 0;
g->root = DIR_ROOT;
dsid_list->gda = (gd_addr*)malloc(SIZEOF(gd_addr) + 3 * SIZEOF(gd_binding));
dsid_list->gda->n_maps = 3;
dsid_list->gda->n_regions = 1;
dsid_list->gda->n_segments = 1;
dsid_list->gda->maps = (gd_binding*)((char*)dsid_list->gda + SIZEOF(gd_addr));
dsid_list->gda->max_rec_size = gv_cur_region->max_rec_size;
map = dsid_list->gda->maps;
map ++;
memset(map->name, 0, SIZEOF(map->name));
map->name[0] = '%';
map->reg.addr = gv_cur_region;
map++;
map->reg.addr = gv_cur_region;
memset(map->name, -1, SIZEOF(map->name));
dsid_list->gda->tab_ptr = (hash_table_mname *)malloc(SIZEOF(hash_table_mname));
init_hashtab_mname(dsid_list->gda->tab_ptr, 0, HASHTAB_NO_COMPACT, HASHTAB_NO_SPARE_TABLE);
change_reg();
if (rc_overflow->top < cs_addrs->hdr->blk_size)
{
if (rc_overflow->buff)
free(rc_overflow->buff);
rc_overflow->top = cs_addrs->hdr->blk_size;
rc_overflow->buff = (char*)malloc(rc_overflow->top);
if (rc_overflow_size < rc_overflow->top)
rc_overflow_size = rc_overflow->top;
}
}
for (fdi_ptr = dsid_list; fdi_ptr && (fdi_ptr->dsid != dsid); fdi_ptr = fdi_ptr->next)
;
if (!fdi_ptr)
{ /* need to open new database, add to list, set fdi_ptr */
gd_header = dsid_list->gda;
gv_currkey->end = 0;
v.mvtype = MV_STR;
v.str.len = RC_NSPACE_GLOB_LEN-1;
v.str.addr = RC_NSPACE_GLOB;
GV_BIND_NAME_AND_ROOT_SEARCH(gd_header, &v.str);
if (!gv_target->root) /* No namespace global */
return RC_UNDEFNAMSPC;
v.mvtype = MV_STR;
v.str.len = SIZEOF(RC_NSPACE_DSI_SUB)-1;
v.str.addr = RC_NSPACE_DSI_SUB;
mval2subsc(&v,gv_currkey);
node2 = node;
MV_FORCE_MVAL(&v,node2);
mval2subsc(&v,gv_currkey);
i = dsid / 256;
MV_FORCE_MVAL(&v,i);
mval2subsc(&v,gv_currkey);
if (gvcst_get(&v))
return RC_UNDEFNAMSPC;
for (cp = v.str.addr, i = 1; i < RC_FILESPEC_PIECE; i++)
for (; *cp++ != RC_FILESPEC_DELIM; )
;
for (cp1 = cp; *cp1++ != RC_FILESPEC_DELIM; )
;
cp1--;
len = (int)(cp1 - cp);
if (len > MAX_FN_LEN)
return RC_BADFILESPEC;
fdi_ptr = (rc_dsid_list *)malloc(SIZEOF(rc_dsid_list));
fdi_ptr->fname = (char *)malloc(len+1);
fdi_ptr->dsid = dsid;
memcpy(fdi_ptr->fname, cp, len);
*(fdi_ptr->fname + (len)) = 0;
gv_cur_region = (gd_region *)malloc(SIZEOF(gd_region));
memset(gv_cur_region, 0, SIZEOF(gd_region));
gv_cur_region->dyn.addr = (gd_segment *)malloc(SIZEOF(gd_segment));
memset(gv_cur_region->dyn.addr, 0, SIZEOF(gd_segment));
memcpy(gv_cur_region->dyn.addr->fname, cp, len);
gv_cur_region->dyn.addr->fname_len = len;
gv_cur_region->dyn.addr->acc_meth = dba_bg;
ESTABLISH_RET(rc_fnd_file_ch2, RC_SUCCESS);
gvcst_init(gv_cur_region);
REVERT;
change_reg();
/* check to see if this DB has the reserved bytes field set
* correctly. Global pages must always have some extra unused
* space left in them (RC_RESERVED bytes) so that the page
* will fit into the client buffer when unpacked by the
* client.
*/
if (cs_data->reserved_bytes < RC_RESERVED)
{
OMI_DBG((omi_debug,
"Unable to access database file: \"%s\"\nReserved_bytes field in the file header is too small for GT.CM\n",
fdi_ptr->fname));
free(dsid_list->fname);
dsid_list->fname = NULL;
free(dsid_list);
dsid_list = NULL;
free(gv_cur_region->dyn.addr);
gv_cur_region->dyn.addr = NULL;
free(gv_cur_region);
gv_cur_region = NULL;
return RC_FILEACCESS;
}
assert(!cs_addrs->hold_onto_crit); /* this ensures we can safely do unconditional grab_crit and rel_crit */
grab_crit(gv_cur_region);
cs_data->rc_srv_cnt++;
if (!cs_data->dsid)
{
cs_data->dsid = dsid;
cs_data->rc_node = node;
} else if (cs_data->dsid != dsid || cs_data->rc_node != node)
{
cs_data->rc_srv_cnt--;
rel_crit(gv_cur_region);
OMI_DBG((omi_debug, "Dataset ID/RC node mismatch"));
OMI_DBG((omi_debug, "DB file: \"%s\"\n", dsid_list->fname));
OMI_DBG((omi_debug, "Stored DSID: %d\tRC Node: %d\n", cs_data->dsid, cs_data->rc_node));
OMI_DBG((omi_debug, "RC Rq DSID: %d\tRC Node: %d\n", dsid,node));
free(fdi_ptr->fname);
fdi_ptr->fname = NULL;
free(fdi_ptr);
fdi_ptr = NULL;
free(gv_cur_region->dyn.addr);
gv_cur_region->dyn.addr = NULL;
free(gv_cur_region);
gv_cur_region = NULL;
return RC_FILEACCESS;
}
rel_crit(gv_cur_region);
keysize = DBKEYSIZE(gv_cur_region->max_key_size);
GVKEYSIZE_INCREASE_IF_NEEDED(keysize);
cs_addrs->dir_tree = (gv_namehead *)malloc(SIZEOF(gv_namehead) + 2 * SIZEOF(gv_key) + 3 * (keysize - 1));
g = cs_addrs->dir_tree;
g->first_rec = (gv_key*)(g->clue.base + keysize);
g->last_rec = (gv_key*)(g->first_rec->base + keysize);
g->clue.top = g->last_rec->top = g->first_rec->top = keysize;
g->clue.prev = g->clue.end = 0;
g->root = DIR_ROOT;
fdi_ptr->gda = (gd_addr*)malloc(SIZEOF(gd_addr) + 3 * SIZEOF(gd_binding));
fdi_ptr->gda->n_maps = 3;
fdi_ptr->gda->n_regions = 1;
fdi_ptr->gda->n_segments = 1;
fdi_ptr->gda->maps = (gd_binding*)((char*)fdi_ptr->gda + SIZEOF(gd_addr));
fdi_ptr->gda->max_rec_size = gv_cur_region->max_rec_size;
map = fdi_ptr->gda->maps;
map ++;
memset(map->name, 0, SIZEOF(map->name));
map->name[0] = '%';
map->reg.addr = gv_cur_region;
map++;
map->reg.addr = gv_cur_region;
memset(map->name, -1, SIZEOF(map->name));
fdi_ptr->gda->tab_ptr = (hash_table_mname *)malloc(SIZEOF(hash_table_mname));
init_hashtab_mname(fdi_ptr->gda->tab_ptr, 0, HASHTAB_NO_COMPACT, HASHTAB_NO_SPARE_TABLE);
fdi_ptr->next = dsid_list->next;
dsid_list->next = fdi_ptr;
}
gv_cur_region = fdi_ptr->gda->maps[1].reg.addr;
change_reg();
if (rc_overflow->top < cs_addrs->hdr->blk_size)
{
if (rc_overflow->buff)
free(rc_overflow->buff);
rc_overflow->top = cs_addrs->hdr->blk_size;
rc_overflow->buff = (char*)malloc(rc_overflow->top);
if (rc_overflow_size < rc_overflow->top)
rc_overflow_size = rc_overflow->top;
}
if (!rc_overflow -> top)
{
rc_overflow -> top = rc_overflow_size;
rc_overflow->buff = (char *)malloc(rc_overflow->top);
}
gd_header = fdi_ptr->gda;
return RC_SUCCESS;
}
void mupip_extend(void)
{
unsigned short r_len;
char regionname[MAX_RN_LEN];
uint4 bplmap, bit_maps, blocks, i, old_total, total, status;
int4 tblocks;
int fd;
r_len = SIZEOF(regionname);
if (cli_get_str("REG_NAME", regionname, &r_len) == FALSE)
rts_error(VARLSTCNT(1) ERR_MUNODBNAME);
if (cli_get_int("BLOCKS",&tblocks))
{
if (tblocks < 1)
{
util_out_print("!/BLOCKS too small, no extension done",TRUE);
mupip_exit(ERR_MUNOACTION);
}
blocks = tblocks;
} else
blocks = (uint4)-1;
gvinit();
for (i = 0, gv_cur_region = gd_header->regions; i < gd_header->n_regions; i++, gv_cur_region++)
{
if (memcmp(gv_cur_region->rname, regionname, r_len) == 0)
break;
}
if (i >= gd_header->n_regions)
{
gtm_putmsg(VARLSTCNT(4) ERR_NOREGION, 2, r_len, regionname);
mupip_exit(ERR_MUNOACTION);
}
if ((dba_bg != gv_cur_region->dyn.addr->acc_meth) && (dba_mm != gv_cur_region->dyn.addr->acc_meth))
{
util_out_print("Can only EXTEND BG and MM databases",TRUE);
mupip_exit(ERR_MUNOACTION);
}
if (reg_cmcheck(gv_cur_region))
{
util_out_print("!/Can't EXTEND region !AD across network",TRUE, REG_LEN_STR(gv_cur_region));
mupip_exit(ERR_MUNOACTION);
}
# if !defined(MM_FILE_EXT_OK) && defined(UNIX)
if (dba_mm == gv_cur_region->dyn.addr->acc_meth)
{
FILE_CNTL_INIT(gv_cur_region->dyn.addr);
if (!STANDALONE(gv_cur_region))
{
util_out_print("Can't get standalone access to database file !AD with MM access method, no extension done.",
TRUE, DB_LEN_STR(gv_cur_region));
mupip_exit(ERR_MUNOACTION);
}
assert((FILE_INFO(gv_cur_region))->grabbed_access_sem); /* we should have standalone access */
}
# endif
gvcst_init(gv_cur_region);
if (gv_cur_region->was_open)
{ /* This should not happen as extend works on only one region at a time, but handle for safety */
gtm_putmsg(VARLSTCNT(4) ERR_DBOPNERR, 2, DB_LEN_STR(gv_cur_region));
DB_IPCS_RESET(gv_cur_region);
mupip_exit(ERR_MUNOACTION);
}
cs_addrs = &FILE_INFO(gv_cur_region)->s_addrs;
cs_data = cs_addrs->hdr;
if ((uint4)-1 == blocks)
{
if (cs_addrs->hdr->extension_size == 0)
{
util_out_print("The extension size on file !AD is zero, no extension done.",TRUE,
DB_LEN_STR(gv_cur_region));
DB_IPCS_RESET(gv_cur_region);
mupip_exit(ERR_MUNOACTION);
}
blocks = cs_addrs->hdr->extension_size;
}
/* cannot extend for read_only database. */
if (gv_cur_region->read_only)
{
gtm_putmsg(VARLSTCNT(4) ERR_DBRDONLY, 2, DB_LEN_STR(gv_cur_region));
DB_IPCS_RESET(gv_cur_region);
mupip_exit(ERR_MUNOACTION);
}
switch(gv_cur_region->dyn.addr->acc_meth)
{
case dba_bg:
case dba_mm:
grab_crit(gv_cur_region);
GRAB_UNFROZEN_CRIT(gv_cur_region, cs_addrs, cs_data);
old_total = cs_addrs->ti->total_blks;
if ((uint4)NO_FREE_SPACE == (status = gdsfilext(blocks, old_total)))
{
rel_crit(gv_cur_region);
util_out_print("The extension failed on file !AD; check disk space and permissions.", TRUE,
DB_LEN_STR(gv_cur_region));
DB_IPCS_RESET(gv_cur_region);
mupip_exit(ERR_MUNOACTION);
} else
assert(SS_NORMAL == status);
total = cs_addrs->ti->total_blks;
bplmap = cs_addrs->hdr->bplmap;
bit_maps = DIVIDE_ROUND_UP(total, bplmap) - DIVIDE_ROUND_UP(old_total, bplmap);
rel_crit(gv_cur_region);
break;
default:
GTMASSERT;
}
util_out_print("Extension successful, file !AD extended by !UL blocks. Total blocks = !UL.",TRUE,
DB_LEN_STR(gv_cur_region), total - old_total - bit_maps, total - DIVIDE_ROUND_UP(total, bplmap));
DB_IPCS_RESET(gv_cur_region); /* final cleanup (for successful case) before exit */
mupip_exit(SS_NORMAL);
}