108 lines
3.8 KiB
C
108 lines
3.8 KiB
C
/****************************************************************
|
|
* *
|
|
* Copyright 2006, 2013 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"
|
|
|
|
#if !defined(__MVS__) && !defined(VMS)
|
|
#include <sys/param.h>
|
|
#endif
|
|
|
|
#include <sys/time.h>
|
|
#include "gtm_inet.h"
|
|
#include <errno.h>
|
|
|
|
#ifdef VMS
|
|
#include <descrip.h> /* Required for gtmsource.h */
|
|
#endif
|
|
|
|
#include "error.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_dbg.h"
|
|
#include "repl_shutdcode.h"
|
|
#include "repl_sem.h"
|
|
#include "util.h"
|
|
#include "repl_log.h"
|
|
#include "is_proc_alive.h"
|
|
|
|
GBLREF jnlpool_addrs jnlpool;
|
|
GBLREF gtmsource_options_t gtmsource_options;
|
|
GBLREF boolean_t holds_sem[NUM_SEM_SETS][NUM_SRC_SEMS];
|
|
|
|
error_def(ERR_SRCSRVNOTEXIST);
|
|
|
|
int gtmsource_showbacklog(void)
|
|
{
|
|
seq_num seq_num, jnl_seqno, read_jnl_seqno;
|
|
gtmsource_local_ptr_t gtmsourcelocal_ptr;
|
|
int4 index;
|
|
boolean_t srv_alive;
|
|
uint4 gtmsource_pid;
|
|
|
|
assert(holds_sem[SOURCE][JNL_POOL_ACCESS_SEM]);
|
|
jnl_seqno = jnlpool.jnlpool_ctl->jnl_seqno;
|
|
if (NULL != jnlpool.gtmsource_local) /* Show backlog for a specific source server */
|
|
gtmsourcelocal_ptr = jnlpool.gtmsource_local;
|
|
else
|
|
gtmsourcelocal_ptr = &jnlpool.gtmsource_local_array[0];
|
|
for (index = 0; index < NUM_GTMSRC_LCL; index++, gtmsourcelocal_ptr++)
|
|
{
|
|
if ('\0' == gtmsourcelocal_ptr->secondary_instname[0])
|
|
{
|
|
assert(NULL == jnlpool.gtmsource_local);
|
|
continue;
|
|
}
|
|
/* If SHOWBACKLOG on a specific secondary instance is requested, print the backlog information irrespective
|
|
* of whether a source server for that instance is alive or not. For SHOWBACKLOG on ALL secondary instances
|
|
* print backlog information only for those instances that have an active or passive source server alive.
|
|
*/
|
|
gtmsource_pid = gtmsourcelocal_ptr->gtmsource_pid;
|
|
if ((NULL == jnlpool.gtmsource_local) && (0 == gtmsource_pid))
|
|
continue;
|
|
repl_log(stderr, TRUE, TRUE,
|
|
"Initiating SHOWBACKLOG operation on source server pid [%d] for secondary instance [%s]\n",
|
|
gtmsource_pid, gtmsourcelocal_ptr->secondary_instname);
|
|
read_jnl_seqno = gtmsourcelocal_ptr->read_jnl_seqno;
|
|
/* jnl_seqno >= read_jnl_seqno is the most common case; see gtmsource_readpool() for when the rare case can occur */
|
|
seq_num = (jnl_seqno >= read_jnl_seqno) ? jnl_seqno - read_jnl_seqno : 0;
|
|
util_out_print("!@UQ : backlog number of transactions written to journal pool and "
|
|
"yet to be sent by the source server", TRUE, &seq_num);
|
|
seq_num = jnl_seqno;
|
|
if (0 != seq_num)
|
|
seq_num--;
|
|
util_out_print("!@UQ : sequence number of last transaction written to journal pool", TRUE, &seq_num);
|
|
seq_num = read_jnl_seqno;
|
|
if (0 != seq_num)
|
|
seq_num--;
|
|
util_out_print("!@UQ : sequence number of last transaction sent by source server", TRUE, &seq_num);
|
|
srv_alive = (0 == gtmsource_pid) ? FALSE : is_proc_alive(gtmsource_pid, 0);
|
|
if (!srv_alive)
|
|
gtm_putmsg_csa(CSA_ARG(NULL) VARLSTCNT(4) MAKE_MSG_WARNING(ERR_SRCSRVNOTEXIST), 2,
|
|
LEN_AND_STR(gtmsourcelocal_ptr->secondary_instname));
|
|
else if ((gtmsourcelocal_ptr->mode == GTMSOURCE_MODE_PASSIVE)
|
|
|| (gtmsourcelocal_ptr->mode == GTMSOURCE_MODE_ACTIVE_REQUESTED))
|
|
util_out_print("WARNING - Source Server is in passive mode, transactions are not being replicated", TRUE);
|
|
if (NULL != jnlpool.gtmsource_local)
|
|
break;
|
|
}
|
|
return (NORMAL_SHUTDOWN);
|
|
}
|