fis-gtm/sr_unix/gtmsource_losttncomplete.c

81 lines
2.8 KiB
C

/****************************************************************
* *
* Copyright 2006, 2012 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include "gtm_string.h"
#include "gtm_stdio.h"
#include <errno.h>
#include "gdsroot.h"
#include "gdsblk.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "filestruct.h"
#include "repl_msg.h"
#include "gtmsource.h"
#include "repl_instance.h"
#include "repl_shutdcode.h"
#include "repl_sem.h"
#include "util.h"
#include "cli.h"
#include "repl_log.h"
GBLREF jnlpool_addrs jnlpool;
GBLREF boolean_t holds_sem[NUM_SEM_SETS][NUM_SRC_SEMS];
error_def(ERR_MUPCLIERR);
error_def(ERR_TEXT);
int gtmsource_losttncomplete(void)
{
int idx;
gtmsource_local_ptr_t gtmsourcelocal_ptr;
sgmnt_addrs *repl_csa;
assert(holds_sem[SOURCE][JNL_POOL_ACCESS_SEM]);
assert(NULL == jnlpool.gtmsource_local);
repl_log(stderr, TRUE, TRUE, "Initiating LOSTTNCOMPLETE operation on instance [%s]\n",
jnlpool.repl_inst_filehdr->inst_info.this_instname);
/* If this is a root primary instance, propagate this information to secondaries as well so they reset zqgblmod_seqno to 0.
* If propagating primary, no need to send this to tertiaries as the receiver on the tertiary cannot have started with
* non-zero "zqgblmod_seqno" to begin with (PRIMARYNOTROOT error would have been issued).
*/
if (!jnlpool.jnlpool_ctl->upd_disabled)
{
DEBUG_ONLY(repl_csa = &FILE_INFO(jnlpool.jnlpool_dummy_reg)->s_addrs;)
assert(!repl_csa->hold_onto_crit); /* so it is ok to invoke "grab_lock" and "rel_lock" unconditionally */
GRAB_LOCK(jnlpool.jnlpool_dummy_reg, ASSERT_NO_ONLINE_ROLLBACK);
jnlpool.jnlpool_ctl->send_losttn_complete = TRUE;
gtmsourcelocal_ptr = jnlpool.gtmsource_local_array;
for (idx = 0; idx < NUM_GTMSRC_LCL; idx++, gtmsourcelocal_ptr++)
{
if (('\0' == gtmsourcelocal_ptr->secondary_instname[0])
&& (0 == gtmsourcelocal_ptr->read_jnl_seqno)
&& (0 == gtmsourcelocal_ptr->connect_jnl_seqno))
continue;
gtmsourcelocal_ptr->send_losttn_complete = TRUE;
}
rel_lock(jnlpool.jnlpool_dummy_reg);
}
/* Reset zqgblmod_seqno and zqgblmod_tn to 0 in this instance as well */
if (SS_NORMAL != repl_inst_reset_zqgblmod_seqno_and_tn())
{ /* Only reason we know of the above function returning error is in case of an online rollback. But, that's not
* possible because we hold the access control semaphore at this point which online rollback needs at startup.
*/
assert(FALSE);
}
return (NORMAL_SHUTDOWN);
}