void gtmsource_seqno_init(void)
{
/* Find the start_jnl_seqno */
gd_region *reg, *region_top;
seq_num local_read_jsn, local_jsn;
sgmnt_addrs *csa;
sgmnt_data_ptr_t csd;
sm_uc_ptr_t gld_fn;
/* Unix and VMS have different field names for now, but will both be soon changed to instname instead of gtmgbldir */
gld_fn = (sm_uc_ptr_t)jnlpool.jnlpool_ctl->jnlpool_id.gtmgbldir;
QWASSIGN(jnlpool.jnlpool_ctl->start_jnl_seqno, seq_num_zero);
QWASSIGN(local_read_jsn, seq_num_zero);
QWASSIGN(local_jsn, seq_num_zero);
region_top = gd_header->regions + gd_header->n_regions;
for (reg = gd_header->regions; reg < region_top; reg++)
{
assert(reg->open);
csa = &FILE_INFO(reg)->s_addrs;
csd = csa->hdr;
if (REPL_ALLOWED(csd))
{
if (QWLT(local_read_jsn, csd->resync_seqno))
QWASSIGN(local_read_jsn, csd->resync_seqno);
if (QWLT(local_jsn, csd->reg_seqno))
QWASSIGN(local_jsn, csd->reg_seqno);
/* Copy gtmgbldir into the database shared memory.
* Used later to avoid updates from a different gtmgbldir to this database.
*/
assert(SIZEOF(csa->nl->replinstfilename) == SIZEOF(jnlpool.jnlpool_ctl->jnlpool_id.gtmgbldir));
memcpy(csa->nl->replinstfilename, gld_fn, SIZEOF(csa->nl->replinstfilename));
}
}
if (QWEQ(local_jsn, seq_num_zero))
{
/* No replicated region, or databases created with older version of GTM */
gtm_putmsg(VARLSTCNT(5) ERR_NOREPLCTDREG, 3, LEN_AND_LIT("global directory"), gld_fn);
/* Error, has to shutdown all regions 'cos mupip needs exclusive access to turn replication on */
gtmsource_autoshutdown();
}
QWASSIGN(jnlpool.jnlpool_ctl->start_jnl_seqno, local_jsn);
QWASSIGN(jnlpool.jnlpool_ctl->jnl_seqno, local_jsn);
QWASSIGN(jnlpool.gtmsource_local->read_jnl_seqno, local_read_jsn);
}
uchar_ptr_t i2ascl(uchar_ptr_t p, qw_num n)
{
unsigned char ar[MAX_DIGITS_IN_INT8], *q;
uint4 len;
long r;
q = ar + sizeof(ar);
if (QWEQ(n, seq_num_zero))
*--q = '0';
else
{
while (QWNE(n, seq_num_zero))
{
QWDIVIDEBYDW(n, 10, n, r);
*--q = r + '0';
}
}
assert((uintszofptr_t)q >= (uintszofptr_t)ar);
len = (uint4)(ar + sizeof(ar) - q);
memcpy(p, q, len);
return (unsigned char *)(p + len) ;
}
