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/*-------------------------------------------------------------------------
*
* standby_utils.c
* Utilities for GTM standby global values
*
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
* Portions Copyright (c) 2010-2012 Postgres-XC Development Group
*
*
* IDENTIFICATION
* src/gtm/recovery/standby_utils.c
*
*-------------------------------------------------------------------------
*/
#include "gtm/gtm_c.h"
#include "gtm/standby_utils.h"
#include "gtm/gtm_lock.h"
/*
* Variables to interact with GTM active under GTM standby mode.
*/
bool GTM_StandbyMode = false;
char *GTM_ActiveAddress;
int GTM_ActivePort;
/* For thread safety, values above are protected by a lock */
static GTM_RWLock StandbyLock;
bool
Recovery_IsStandby(void)
{
bool res;
GTM_RWLockAcquire(&StandbyLock, GTM_LOCKMODE_READ);
res = GTM_StandbyMode;
GTM_RWLockRelease(&StandbyLock);
return res;
}
void
Recovery_StandbySetStandby(bool standby)
{
GTM_RWLockAcquire(&StandbyLock, GTM_LOCKMODE_WRITE);
GTM_StandbyMode = standby;
GTM_RWLockRelease(&StandbyLock);
}
void
Recovery_StandbySetConnInfo(const char *addr, int port)
{
GTM_RWLockAcquire(&StandbyLock, GTM_LOCKMODE_WRITE);
GTM_ActiveAddress = strdup(addr);
GTM_ActivePort = port;
GTM_RWLockRelease(&StandbyLock);
}
int
Recovery_StandbyGetActivePort(void)
{
int res;
GTM_RWLockAcquire(&StandbyLock, GTM_LOCKMODE_READ);
res = GTM_ActivePort;
GTM_RWLockRelease(&StandbyLock);
return res;
}
char *
Recovery_StandbyGetActiveAddress(void)
{
char *res;
GTM_RWLockAcquire(&StandbyLock, GTM_LOCKMODE_READ);
res = GTM_ActiveAddress;
GTM_RWLockRelease(&StandbyLock);
return res;
}
void
Recovery_InitStandbyLock(void)
{
GTM_RWLockInit(&StandbyLock);
}
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