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/* -------------------------------------------------------------------------
*
* pgstat_replslot.c
* Implementation of replication slot statistics.
*
* This file contains the implementation of replication slot statistics. It is kept
* separate from pgstat.c to enforce the line between the statistics access /
* storage implementation and the details about individual types of
* statistics.
*
* Copyright (c) 2001-2022, PostgreSQL Global Development Group
*
* IDENTIFICATION
* src/backend/utils/activity/pgstat_replslot.c
* -------------------------------------------------------------------------
*/
#include "postgres.h"
#include "replication/slot.h"
#include "utils/builtins.h" /* for namestrcpy() */
#include "utils/pgstat_internal.h"
/*
* Reset counters for a single replication slot, or all replication slots
* (when name is null).
*
* Permission checking for this function is managed through the normal
* GRANT system.
*/
void
pgstat_reset_replslot_counter(const char *name)
{
PgStat_MsgResetreplslotcounter msg;
if (pgStatSock == PGINVALID_SOCKET)
return;
if (name)
{
namestrcpy(&msg.m_slotname, name);
msg.clearall = false;
}
else
msg.clearall = true;
pgstat_setheader(&msg.m_hdr, PGSTAT_MTYPE_RESETREPLSLOTCOUNTER);
pgstat_send(&msg, sizeof(msg));
}
/*
* Report replication slot statistics.
*/
void
pgstat_report_replslot(const PgStat_StatReplSlotEntry *repSlotStat)
{
PgStat_MsgReplSlot msg;
/*
* Prepare and send the message
*/
pgstat_setheader(&msg.m_hdr, PGSTAT_MTYPE_REPLSLOT);
namestrcpy(&msg.m_slotname, NameStr(repSlotStat->slotname));
msg.m_create = false;
msg.m_drop = false;
msg.m_spill_txns = repSlotStat->spill_txns;
msg.m_spill_count = repSlotStat->spill_count;
msg.m_spill_bytes = repSlotStat->spill_bytes;
msg.m_stream_txns = repSlotStat->stream_txns;
msg.m_stream_count = repSlotStat->stream_count;
msg.m_stream_bytes = repSlotStat->stream_bytes;
msg.m_total_txns = repSlotStat->total_txns;
msg.m_total_bytes = repSlotStat->total_bytes;
pgstat_send(&msg, sizeof(PgStat_MsgReplSlot));
}
/*
* Report replication slot creation.
*/
void
pgstat_report_replslot_create(const char *slotname)
{
PgStat_MsgReplSlot msg;
pgstat_setheader(&msg.m_hdr, PGSTAT_MTYPE_REPLSLOT);
namestrcpy(&msg.m_slotname, slotname);
msg.m_create = true;
msg.m_drop = false;
pgstat_send(&msg, sizeof(PgStat_MsgReplSlot));
}
/*
* Report replication slot drop.
*/
void
pgstat_report_replslot_drop(const char *slotname)
{
PgStat_MsgReplSlot msg;
pgstat_setheader(&msg.m_hdr, PGSTAT_MTYPE_REPLSLOT);
namestrcpy(&msg.m_slotname, slotname);
msg.m_create = false;
msg.m_drop = true;
pgstat_send(&msg, sizeof(PgStat_MsgReplSlot));
}
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