std::string Config::findFile(const std::string &name)
{
std::string global_name(OS->globalDataDir() + Os::pathSep + name);
if (OS->exists(global_name)) {
return global_name;
}
return name;
}
unsigned char mu_cre_file(void)
{
unsigned char *inadr[2], *c, exit_stat;
enum db_acc_method temp_acc_meth;
uint4 lcnt, retadr[2];
int4 blk_init_size, initial_alq, free_blocks;
gtm_uint64_t free_blocks_ll, blocks_for_extension;
char buff[GLO_NAME_MAXLEN], fn_buff[MAX_FN_LEN];
unsigned int status;
int free_space;
struct FAB *fcb;
struct NAM nam;
gds_file_id new_id;
io_status_block_disk iosb;
char node[16];
short len;
struct {
short blen;
short code;
char *buf;
short *len;
int4 terminator;
} item = {15, SYI$_NODENAME, &node, &len, 0};
$DESCRIPTOR(desc, buff);
exit_stat = EXIT_NRM;
/* The following calculations should duplicate the BT_SIZE macro from GDSBT and the LOCK_BLOCK macro from GDSFHEAD.H,
* but without using a sgmnt_data which is not yet set up at this point
*/
#ifdef GT_CX_DEF
/* This section needs serious chnages for the fileheader changes in V5 if it is ever resurrected */
over_head = DIVIDE_ROUND_UP(SIZEOF_FILE_HDR_DFLT
+ (WC_MAX_BUFFS + getprime(WC_MAX_BUFFS) + 1) * SIZEOF(bt_rec), DISK_BLOCK_SIZE);
if (gv_cur_region->dyn.addr->acc_meth == dba_bg)
{
free_space = over_head - DIVIDE_ROUND_UP(SIZEOF_FILE_HDR_DFLT
+ (gv_cur_region->dyn.addr->global_buffers + getprime(gv_cur_region->dyn.addr->global_buffers) + 1)
* SIZEOF(bt_rec), DISK_BLOCK_SIZE);
over_head += gv_cur_region->dyn.addr->lock_space ? gv_cur_region->dyn.addr->lock_space
: DEF_LOCK_SIZE / OS_PAGELET_SIZE;
} else if (gv_cur_region->dyn.addr->acc_meth == dba_mm)
{
free_space = over_head - DIVIDE_ROUND_UP(SIZEOF_FILE_HDR_DFLT, DISK_BLOCK_SIZE);
if (gv_cur_region->dyn.addr->lock_space)
{
over_head += gv_cur_region->dyn.addr->lock_space;
free_space += gv_cur_region->dyn.addr->lock_space;
} else
{
over_head += DEF_LOCK_SIZE / OS_PAGELET_SIZE;
free_space += DEF_LOCK_SIZE / OS_PAGELET_SIZE;
}
}
free_space *= DISK_BLOCK_SIZE;
#else
assert(START_VBN_CURRENT > DIVIDE_ROUND_UP(SIZEOF_FILE_HDR_DFLT, DISK_BLOCK_SIZE));
free_space = ((START_VBN_CURRENT - 1) * DISK_BLOCK_SIZE) - SIZEOF_FILE_HDR_DFLT;
#endif
switch (gv_cur_region->dyn.addr->acc_meth)
{
case dba_bg:
case dba_mm:
mu_cre_vms_structs(gv_cur_region);
fcb = ((vms_gds_info *)(gv_cur_region->dyn.addr->file_cntl->file_info))->fab;
cs_addrs = &((vms_gds_info *)(gv_cur_region->dyn.addr->file_cntl->file_info))->s_addrs;
fcb->fab$b_shr &= FAB$M_NIL; /* No access to this file while it is created */
fcb->fab$l_nam = &nam;
nam = cc$rms_nam;
/* There are (bplmap - 1) non-bitmap blocks per bitmap, so add (bplmap - 2) to number of non-bitmap blocks
* and divide by (bplmap - 1) to get total number of bitmaps for expanded database. (must round up in this
* manner as every non-bitmap block must have an associated bitmap)
*/
fcb->fab$l_alq += DIVIDE_ROUND_UP(fcb->fab$l_alq, BLKS_PER_LMAP - 1); /* Bitmaps */
blk_init_size = fcb->fab$l_alq;
fcb->fab$l_alq *= BLK_SIZE / DISK_BLOCK_SIZE;
fcb->fab$l_alq += START_VBN_CURRENT - 1;
initial_alq = fcb->fab$l_alq;
fcb->fab$w_mrs = 512; /* no longer a relevent field to us */
break;
case dba_usr:
util_out_print("Database file for region !AD not created; access method is not GDS.", TRUE,
REG_LEN_STR(gv_cur_region));
return EXIT_WRN;
default:
gtm_putmsg(VARLSTCNT(1) ERR_BADACCMTHD);
return EXIT_ERR;
}
nam.nam$b_ess = SIZEOF(fn_buff);
nam.nam$l_esa = fn_buff;
nam.nam$b_nop |= NAM$M_SYNCHK;
status = sys$parse(fcb, 0, 0);
if (RMS$_NORMAL != status)
{
gtm_putmsg(VARLSTCNT(8) ERR_DBFILERR, 2, fcb->fab$b_fns, fcb->fab$l_fna, status, 0, fcb->fab$l_stv, 0);
return EXIT_ERR;
}
if (nam.nam$b_node != 0)
{
status = sys$getsyiw(EFN$C_ENF, 0, 0, &item, &iosb, 0, 0);
if (SS$_NORMAL == status)
status = iosb.cond;
if (SS$_NORMAL == status)
{
if (len == nam.nam$b_node-2 && !memcmp(nam.nam$l_esa, node, len))
{
fcb->fab$l_fna = nam.nam$l_esa + nam.nam$b_node;
fcb->fab$b_fns = nam.nam$b_esl - nam.nam$b_node;
}
} else
{
util_out_print("Could not get node for !AD.", TRUE, REG_LEN_STR(gv_cur_region));
exit_stat = EXIT_WRN;
}
}
assert(gv_cur_region->dyn.addr->acc_meth == dba_bg || gv_cur_region->dyn.addr->acc_meth == dba_mm);
nam.nam$l_esa = NULL;
nam.nam$b_esl = 0;
status = sys$create(fcb);
if (status != RMS$_CREATED && status != RMS$_FILEPURGED)
{
switch(status)
{
case RMS$_FLK:
util_out_print("Database file for region !AD not created; currently locked by another user.", TRUE,
REG_LEN_STR(gv_cur_region));
exit_stat = EXIT_INF;
break;
case RMS$_NORMAL:
util_out_print("Database file for region !AD not created; already exists.", TRUE,
REG_LEN_STR(gv_cur_region));
exit_stat = EXIT_INF;
break;
case RMS$_SUPPORT:
util_out_print("Database file for region !AD not created; cannot create across network.", TRUE,
REG_LEN_STR(gv_cur_region));
exit_stat = EXIT_WRN;
break;
case RMS$_FUL:
send_msg(VARLSTCNT(8) ERR_DBFILERR, 2, fcb->fab$b_fns, fcb->fab$l_fna,
status, 0, fcb->fab$l_stv, 0);
/* intentionally falling through */
default:
gtm_putmsg(VARLSTCNT(8) ERR_DBFILERR, 2, fcb->fab$b_fns, fcb->fab$l_fna,
status, 0, fcb->fab$l_stv, 0);
exit_stat = EXIT_ERR;
}
sys$dassgn(fcb->fab$l_stv);
return exit_stat;
}
memcpy(new_id.dvi, nam.nam$t_dvi, SIZEOF(nam.nam$t_dvi));
memcpy(new_id.did, nam.nam$w_did, SIZEOF(nam.nam$w_did));
memcpy(new_id.fid, nam.nam$w_fid, SIZEOF(nam.nam$w_fid));
global_name("GT$S", &new_id, buff); /* 2nd parm is actually a gds_file_id * in global_name */
desc.dsc$w_length = buff[0]; /* By definition, a gds_file_id is dvi,fid,did from nam */
desc.dsc$a_pointer = &buff[1];
cs_addrs->db_addrs[0] = cs_addrs->db_addrs[1] = inadr[0] = inadr[1] = inadr; /* used to determine p0 or p1 allocation */
status = init_sec(cs_addrs->db_addrs, &desc, fcb->fab$l_stv, (START_VBN_CURRENT - 1),
SEC$M_DZRO|SEC$M_GBL|SEC$M_WRT|SEC$M_EXPREG);
if ((SS$_CREATED != status) && (SS$_NORMAL != status))
{
gtm_putmsg(VARLSTCNT(8) ERR_DBFILERR, 2, fcb->fab$b_fns, fcb->fab$l_fna, status, 0, fcb->fab$l_stv, 0);
sys$dassgn(fcb->fab$l_stv);
return EXIT_ERR;
}
cs_data = (sgmnt_data *)cs_addrs->db_addrs[0];
memset(cs_data, 0, SIZEOF_FILE_HDR_DFLT);
cs_data->createinprogress = TRUE;
cs_data->trans_hist.total_blks = (initial_alq - (START_VBN_CURRENT - 1)) / (BLK_SIZE / DISK_BLOCK_SIZE);
/* assert that total_blks stored in file-header = non-bitmap blocks (initial allocation) + bitmap blocks */
assert(cs_data->trans_hist.total_blks == gv_cur_region->dyn.addr->allocation +
DIVIDE_ROUND_UP(gv_cur_region->dyn.addr->allocation, BLKS_PER_LMAP - 1));
cs_data->start_vbn = START_VBN_CURRENT;
temp_acc_meth = gv_cur_region->dyn.addr->acc_meth;
cs_data->acc_meth = gv_cur_region->dyn.addr->acc_meth = dba_bg;
cs_data->extension_size = gv_cur_region->dyn.addr->ext_blk_count;
mucregini(blk_init_size);
cs_addrs->hdr->free_space = free_space;
#ifndef GT_CX_DEF
cs_addrs->hdr->unbacked_cache = TRUE;
#endif
cs_data->acc_meth = gv_cur_region->dyn.addr->acc_meth = temp_acc_meth;
cs_data->createinprogress = FALSE;
if (SS$_NORMAL == (status = disk_block_available(fcb->fab$l_stv, &free_blocks)))
{
blocks_for_extension = (cs_data->blk_size / DISK_BLOCK_SIZE *
(DIVIDE_ROUND_UP(EXTEND_WARNING_FACTOR * (gtm_uint64_t)cs_data->extension_size, BLKS_PER_LMAP - 1)
+ EXTEND_WARNING_FACTOR * (gtm_uint64_t)cs_data->extension_size));
if ((gtm_uint64_t)free_blocks < blocks_for_extension)
{
free_blocks_ll = (gtm_uint64_t)free_blocks;
gtm_putmsg(VARLSTCNT(8) ERR_LOWSPACECRE, 6, fcb->fab$b_fns, fcb->fab$l_fna, EXTEND_WARNING_FACTOR,
&blocks_for_extension, DISK_BLOCK_SIZE, &free_blocks_ll);
send_msg(VARLSTCNT(8) ERR_LOWSPACECRE, 6, fcb->fab$b_fns, fcb->fab$l_fna, EXTEND_WARNING_FACTOR,
&blocks_for_extension, DISK_BLOCK_SIZE, &free_blocks_ll);
}
}
if (SS$_NORMAL == (status = sys$updsec(((vms_gds_info *)(gv_cur_region->dyn.addr->file_cntl->file_info))->s_addrs.db_addrs,
NULL, PSL$C_USER, 0, efn_immed_wait, &iosb, NULL, 0)))
{
status = sys$synch(efn_immed_wait, &iosb);
if (SS$_NORMAL == status)
status = iosb.cond;
} else if (SS$_NOTMODIFIED == status)
status = SS$_NORMAL;
if (SS$_NORMAL == status)
status = del_sec(SEC$M_GBL, &desc, 0);
if (SS$_NORMAL == status)
status = sys$deltva(cs_addrs->db_addrs, retadr, PSL$C_USER);
if (SS$_NORMAL == status)
status = sys$dassgn(fcb->fab$l_stv);
if (SS$_NORMAL == status)
{
util_out_print("Database file for region !AD created.", TRUE, REG_LEN_STR(gv_cur_region));
/* the open and close are an attempt to ensure that the file is available, not under the control of an ACP,
* before MUPIP exits */
fcb->fab$b_shr = FAB$M_SHRPUT | FAB$M_SHRGET | FAB$M_UPI;
fcb->fab$l_fop = 0;
for (lcnt = 1; (60 * MAX_OPEN_RETRY) >= lcnt; lcnt++)
{ /* per VMS engineering a delay is expected. We will wait up to an hour as a
* Delete Global Section operation is essentially and inherently asynchronous in nature
* and could take an arbitrary amount of time.
*/
if (RMS$_FLK != (status = sys$open(fcb, NULL, NULL)))
break;
wcs_sleep(lcnt);
}
assert(RMS$_NORMAL == status);
if (RMS$_NORMAL == status)
{
status = sys$close(fcb);
assert(RMS$_NORMAL == status);
}
if (RMS$_NORMAL != status)
exit_stat = EXIT_WRN;
} else
exit_stat = EXIT_ERR;
if (RMS$_NORMAL != status)
gtm_putmsg(VARLSTCNT(8) ERR_DBFILERR, 2, fcb->fab$b_fns, fcb->fab$l_fna, status, 0, fcb->fab$l_stv, 0);
if ((MAX_RMS_RECORDSIZE - SIZEOF(shmpool_blk_hdr)) < cs_data->blk_size)
gtm_putmsg(VARLSTCNT(5) ERR_MUNOSTRMBKUP, 3, fcb->fab$b_fns, fcb->fab$l_fna, 32 * 1024 - DISK_BLOCK_SIZE);
return exit_stat;
}
void ccp_close1(ccp_db_header *db)
{
ccp_db_header *db0, *db1;
ccp_que_entry *que_ent;
ccp_relque *que_hd;
mem_list *ml_ptr, *ml_ptr_hold;
sgmnt_addrs *csa;
vms_gds_info *gds_info;
unsigned char section_name[GLO_NAME_MAXLEN];
uint4 retadr[2], status, outaddrs[2];
struct dsc$descriptor_s name_dsc;
if (ccp_stop)
ccp_stop_ctr--;
if (db->stale_in_progress)
sys$cantim(&db->stale_timer_id, PSL$C_USER);
ccp_quemin_adjust(CCP_CLOSE_REGION);
sys$cantim(&db->tick_timer_id, PSL$C_USER);
sys$cantim(&db->quantum_timer_id, PSL$C_USER);
db->segment->nl->ccp_state = CCST_CLOSED;
db->wmexit_requested = TRUE; /* ignore any blocking ASTs - already releasing */
gds_info = FILE_INFO(db->greg);
if (JNL_ENABLED(db->glob_sec))
{
if (db->segment->jnl != NULL && db->segment->jnl->channel != 0)
{
status = sys$setimr(0, delta_1_sec, ccp_close_timeout, &db->close_timer_id, 0);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = ccp_enqw(EFN$C_ENF, LCK$K_EXMODE, &db->wm_iosb, LCK$M_CONVERT | LCK$M_NOQUEUE, NULL, 0,
NULL, 0, NULL, PSL$C_USER, 0);
if (status == SS$_NOTQUEUED)
/* We're not the only node accessing the journal file */
jnl_file_close(db->greg, FALSE, FALSE);
else
{
/***** Check error status here? *****/
if (db->segment->jnl->jnl_buff->before_images &&
db->segment->ti->curr_tn > db->segment->jnl->jnl_buff->epoch_tn)
{
csa = db->segment;
JNL_SHORT_TIME(jgbl.gbl_jrec_time); /* needed for jnl_put_jrt_pini()
and jnl_write_epoch_rec() */
if (0 == csa->jnl->pini_addr)
jnl_put_jrt_pini(csa);
db->segment->jnl->jnl_buff->epoch_tn = db->segment->ti->curr_tn;
jnl_write_epoch_rec(db->segment);
}
jnl_file_close(db->greg, TRUE, FALSE);
}
sys$cantim(&db->close_timer_id, PSL$C_USER);
status = gtm_deq(gds_info->s_addrs.jnl->jnllsb->lockid, NULL, PSL$C_USER, 0);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
}
}
db->segment = NULL; /* Warn AST's that the segment has been deleted */
status = sys$deq(db->lock_iosb.lockid, NULL, PSL$C_USER, LCK$M_CANCEL);
if (status != SS$_NORMAL && status != SS$_CANCELGRANT)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = sys$deq(db->refcnt_iosb.lockid, NULL, PSL$C_USER, LCK$M_CANCEL);
if (status != SS$_NORMAL && status != SS$_CANCELGRANT)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = sys$deq(db->wm_iosb.lockid, NULL, PSL$C_USER, LCK$M_CANCEL);
if (status != SS$_NORMAL && status != SS$_CANCELGRANT)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = sys$deq(db->flush_iosb.lockid, NULL, PSL$C_USER, LCK$M_CANCEL);
if (status != SS$_NORMAL && status != SS$_CANCELGRANT)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = sys$cancel(gds_info->fab->fab$l_stv);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = sys$dassgn(gds_info->fab->fab$l_stv);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
csa = &gds_info->s_addrs;
outaddrs[0] = csa->db_addrs[0] - OS_PAGE_SIZE; /* header no access page */
outaddrs[1] = csa->db_addrs[1] + OS_PAGE_SIZE; /* trailer no access page */
if (FALSE == is_va_free(outaddrs[0]))
gtm_deltva(outaddrs, NULL, PSL$C_USER);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = sys$cretva(csa->db_addrs, retadr, PSL$C_USER);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
assert(retadr[0] == csa->db_addrs[0] && retadr[1] == csa->db_addrs[1]);
ml_ptr_hold=db->mem_ptr;
if (ml_ptr_hold->prev != NULL)
{
/* if prior segment is adjacent and free, coalesce the segments */
if (ml_ptr_hold->prev->free &&
ml_ptr_hold->addr == ml_ptr_hold->prev->addr + OS_PAGELET_SIZE * ml_ptr_hold->prev->pages)
{
ml_ptr = ml_ptr_hold->prev;
ml_ptr->next = ml_ptr_hold->next;
if (ml_ptr->next != NULL)
ml_ptr->next->prev = ml_ptr;
ml_ptr->pages += ml_ptr_hold->pages;
free(ml_ptr_hold);
ml_ptr_hold = ml_ptr;
}
}
if (ml_ptr_hold->next != NULL)
{
/* if next segment is adjacent and free, coalesce the segments */
if (ml_ptr_hold->next->free &&
ml_ptr_hold->next->addr == ml_ptr_hold->addr + OS_PAGELET_SIZE * ml_ptr_hold->pages)
{
ml_ptr = ml_ptr_hold->next;
ml_ptr_hold->next = ml_ptr->next;
if (ml_ptr_hold->next != NULL)
ml_ptr_hold->next->prev = ml_ptr_hold;
ml_ptr_hold->pages += ml_ptr->pages;
free(ml_ptr);
}
}
ml_ptr_hold->free = TRUE;
global_name("GT$S", &gds_info->file_id, section_name);
name_dsc.dsc$a_pointer = §ion_name[1];
name_dsc.dsc$w_length = section_name[0];
name_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
name_dsc.dsc$b_class = DSC$K_CLASS_S;
status = del_sec(SEC$M_SYSGBL, &name_dsc, NULL);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
/* Dequeue locks after delete section in ccp_close,
acquire lock before create section in gvcst_init,
release lock after delete section in gds_rundown */
status = gtm_deq(db->lock_iosb.lockid, NULL, PSL$C_USER, 0);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = gtm_deq(db->refcnt_iosb.lockid, NULL, PSL$C_USER, 0);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = gtm_deq(db->wm_iosb.lockid, NULL, PSL$C_USER, 0);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = gtm_deq(db->flush_iosb.lockid, NULL, PSL$C_USER, 0);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
que_hd = &ccp_action_que[PRIORITY];
for (que_ent = (char *)que_hd + que_hd->bl; que_ent != que_hd; que_ent = (char *)que_ent + que_ent->q.bl)
if (que_ent->value.v.h == db)
que_ent->value.v.h = 0;
free(gds_info->fab->fab$l_nam);
free(gds_info->fab);
free(db->greg->dyn.addr);
free(db->greg);
/* Remove db from list, this list should never be changed in an AST */
for (db0 = ccp_reg_root, db1 = NULL; db0 != db; db1 = db0, db0 = db0->next)
;
if (db1 == NULL)
ccp_reg_root = db0->next;
else
db1->next = db0->next;
free(db);
return;
}
