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;
}
unsigned char mu_cre_file(void)
{
char *cc = NULL, path[MAX_FBUFF + 1], errbuff[512];
unsigned char buff[DISK_BLOCK_SIZE];
int fd = -1, i, lower, upper, status, padded_len, padded_vbn, norm_vbn;
uint4 raw_dev_size; /* size of a raw device, in bytes */
int4 blocks_for_create, blocks_for_extension, save_errno;
GTM_BAVAIL_TYPE avail_blocks;
file_control fc;
mstr file;
parse_blk pblk;
unix_db_info udi_struct, *udi;
char *fgets_res;
gd_segment *seg;
error_def(ERR_NOSPACECRE);
error_def(ERR_LOWSPACECRE);
assert((-(sizeof(uint4) * 2) & sizeof(sgmnt_data)) == sizeof(sgmnt_data));
cs_addrs = &udi_struct.s_addrs;
cs_data = (sgmnt_data_ptr_t)NULL; /* for CLEANUP */
memset(&pblk, 0, sizeof(pblk));
pblk.fop = (F_SYNTAXO | F_PARNODE);
pblk.buffer = path;
pblk.buff_size = MAX_FBUFF;
file.addr = (char*)gv_cur_region->dyn.addr->fname;
file.len = gv_cur_region->dyn.addr->fname_len;
strncpy(path,file.addr,file.len);
*(path+file.len) = '\0';
if (is_raw_dev(path))
{ /* do not use a default extension for raw device files */
pblk.def1_buf = DEF_NODBEXT;
pblk.def1_size = sizeof(DEF_NODBEXT) - 1;
} else
{
pblk.def1_buf = DEF_DBEXT;
pblk.def1_size = sizeof(DEF_DBEXT) - 1;
}
if (1 != (parse_file(&file, &pblk) & 1))
{
PRINTF("Error translating filename %s.\n", gv_cur_region->dyn.addr->fname);
return EXIT_ERR;
}
path[pblk.b_esl] = 0;
if (pblk.fnb & F_HAS_NODE)
{ /* Remote node specification given */
assert(pblk.b_node);
PRINTF("Database file for region %s not created; cannot create across network.\n", path);
return EXIT_WRN;
}
udi = &udi_struct;
udi->raw = is_raw_dev(pblk.l_dir);
if (udi->raw)
{
fd = OPEN(pblk.l_dir,O_EXCL | O_RDWR);
if (-1 == fd)
{
SPRINTF_AND_PERROR("Error opening file %s\n");
return EXIT_ERR;
}
if (-1 != (status = (ssize_t)lseek(fd, 0, SEEK_SET)))
{
DOREADRC(fd, buff, sizeof(buff), status);
} else
status = errno;
if (0 != status)
{
SPRINTF_AND_PERROR("Error reading header for file %s\n");
return EXIT_ERR;
}
if (!memcmp(buff, GDS_LABEL, STR_LIT_LEN(GDS_LABEL)))
{
char rsp[80];
PRINTF("Database already exists on device %s\n", path);
PRINTF("Do you wish to re-initialize (all current data will be lost) [y/n] ? ");
FGETS(rsp, 79, stdin, fgets_res);
if ('y' != *rsp)
return EXIT_NRM;
}
PRINTF("Determining size of raw device...\n");
for(i = 1; read(fd, buff, sizeof(buff)) == sizeof(buff);)
{
i *= 2;
lseek(fd, (off_t)i * BUFSIZ, SEEK_SET);
}
lower = i / 2;
upper = i;
while ((lower + upper) / 2 != lower)
{
i = (lower + upper) / 2;
lseek(fd, (off_t)i * BUFSIZ, SEEK_SET);
if (read(fd, buff, sizeof(buff)) == sizeof(buff))
lower = i;
else
upper = i;
}
raw_dev_size = i * BUFSIZ;
} else
{
fd = OPEN3(pblk.l_dir, O_CREAT | O_EXCL | O_RDWR, 0600);
if (-1 == fd)
{
SPRINTF_AND_PERROR("Error opening file %s\n");
return EXIT_ERR;
}
if (0 != (save_errno = disk_block_available(fd, &avail_blocks, FALSE)))
{
errno = save_errno;
SPRINTF_AND_PERROR("Error checking available disk space for %s\n");
CLEANUP(EXIT_ERR);
return EXIT_ERR;
}
seg = gv_cur_region->dyn.addr;
/* blocks_for_create is in the unit of DISK_BLOCK_SIZE */
blocks_for_create = DIVIDE_ROUND_UP(sizeof(sgmnt_data), DISK_BLOCK_SIZE) + 1 +
(seg->blk_size / DISK_BLOCK_SIZE *
((DIVIDE_ROUND_UP(seg->allocation, BLKS_PER_LMAP - 1)) + seg->allocation));
if ((uint4)avail_blocks < blocks_for_create)
{
gtm_putmsg(VARLSTCNT(6) ERR_NOSPACECRE, 4, LEN_AND_STR(path), blocks_for_create, (uint4)avail_blocks);
send_msg(VARLSTCNT(6) ERR_NOSPACECRE, 4, LEN_AND_STR(path), blocks_for_create, (uint4)avail_blocks);
CLEANUP(EXIT_ERR);
return EXIT_ERR;
}
blocks_for_extension = (seg->blk_size / DISK_BLOCK_SIZE *
((DIVIDE_ROUND_UP(EXTEND_WARNING_FACTOR * seg->ext_blk_count, BLKS_PER_LMAP - 1))
+ EXTEND_WARNING_FACTOR * seg->ext_blk_count));
if ((uint4)(avail_blocks - blocks_for_create) < blocks_for_extension)
{
gtm_putmsg(VARLSTCNT(8) ERR_LOWSPACECRE, 6, LEN_AND_STR(path), EXTEND_WARNING_FACTOR, blocks_for_extension,
DISK_BLOCK_SIZE, (uint4)(avail_blocks - blocks_for_create));
send_msg(VARLSTCNT(8) ERR_LOWSPACECRE, 6, LEN_AND_STR(path), EXTEND_WARNING_FACTOR, blocks_for_extension,
DISK_BLOCK_SIZE, (uint4)(avail_blocks - blocks_for_create));
}
}
gv_cur_region->dyn.addr->file_cntl = &fc;
fc.file_info = (void*)&udi_struct;
udi->fd = fd;
cs_data = (sgmnt_data_ptr_t)malloc(sizeof(sgmnt_data));
memset(cs_data, 0, sizeof(*cs_data));
cs_data->createinprogress = TRUE;
cs_data->semid = INVALID_SEMID;
cs_data->shmid = INVALID_SHMID;
/* We want our datablocks to start on what would be a block boundary within the file so pad the fileheader
if necessary to make this happen.
*/
padded_len = ROUND_UP(sizeof(sgmnt_data), BLK_SIZE);
padded_vbn = DIVIDE_ROUND_UP(padded_len, DISK_BLOCK_SIZE) + 1;
norm_vbn = DIVIDE_ROUND_UP(sizeof(sgmnt_data), DISK_BLOCK_SIZE) + 1;
cs_data->start_vbn = padded_vbn;
cs_data->free_space += (padded_vbn - norm_vbn) * DISK_BLOCK_SIZE;
cs_data->acc_meth = gv_cur_region->dyn.addr->acc_meth;
if (udi->raw)
{
/* calculate total blocks, reduce to make room for the
* database header (size rounded up to a block), then
* make into a multiple of BLKS_PER_LMAP to have a complete bitmap
* for each set of blocks.
*/
cs_data->trans_hist.total_blks = raw_dev_size - ROUND_UP(sizeof(sgmnt_data), DISK_BLOCK_SIZE);
cs_data->trans_hist.total_blks /= (uint4)(((gd_segment *)gv_cur_region->dyn.addr)->blk_size);
if (0 == (cs_data->trans_hist.total_blks - DIVIDE_ROUND_UP(cs_data->trans_hist.total_blks, BLKS_PER_LMAP - 1)
% (BLKS_PER_LMAP - 1)))
cs_data->trans_hist.total_blks -= 1; /* don't create a bitmap with no data blocks */
cs_data->extension_size = 0;
PRINTF("Raw device size is %dK, %d GDS blocks\n",
raw_dev_size / 1000,
cs_data->trans_hist.total_blks);
} else
{
cs_data->trans_hist.total_blks = gv_cur_region->dyn.addr->allocation;
/* 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)
*/
cs_data->trans_hist.total_blks += DIVIDE_ROUND_UP(cs_data->trans_hist.total_blks, BLKS_PER_LMAP - 1);
cs_data->extension_size = gv_cur_region->dyn.addr->ext_blk_count;
}
mucregini(cs_data->trans_hist.total_blks);
cs_data->createinprogress = FALSE;
LSEEKWRITE(udi->fd, 0, cs_data, sizeof(sgmnt_data), status);
if (0 != status)
{
SPRINTF_AND_PERROR("Error writing out header for file %s\n");
CLEANUP(EXIT_ERR);
return EXIT_ERR;
}
cc = (char*)malloc(DISK_BLOCK_SIZE);
memset(cc, 0, DISK_BLOCK_SIZE);
LSEEKWRITE(udi->fd,
(cs_data->start_vbn - 1) * DISK_BLOCK_SIZE + ((off_t)(cs_data->trans_hist.total_blks) * cs_data->blk_size),
cc,
DISK_BLOCK_SIZE,
status);
if (0 != status)
{
SPRINTF_AND_PERROR("Error writing out end of file %s\n");
CLEANUP(EXIT_ERR);
return EXIT_ERR;
}
if ((!udi->raw) && (-1 == CHMOD(pblk.l_dir, 0666)))
{
SPRINTF_AND_PERROR("Error changing file mode on file %s\n");
CLEANUP(EXIT_WRN);
return EXIT_WRN;
}
CLEANUP(EXIT_NRM);
PRINTF("Created file %s\n", path);
return EXIT_NRM;
}
