2022-03-21 20:02:25 +01:00
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/* -------------------------------------------------------------------------
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*
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* pgstat_replslot.c
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* Implementation of replication slot statistics.
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*
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* This file contains the implementation of replication slot statistics. It is kept
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* separate from pgstat.c to enforce the line between the statistics access /
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* storage implementation and the details about individual types of
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* statistics.
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*
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* Copyright (c) 2001-2022, PostgreSQL Global Development Group
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*
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* IDENTIFICATION
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* src/backend/utils/activity/pgstat_replslot.c
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* -------------------------------------------------------------------------
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*/
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#include "postgres.h"
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#include "replication/slot.h"
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#include "utils/builtins.h" /* for namestrcpy() */
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#include "utils/pgstat_internal.h"
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2022-04-04 21:14:34 +02:00
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/*
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* Tell the statistics collector to reset a single replication slot
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* counter, or all replication slots counters (when name is null).
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2022-03-21 20:02:25 +01:00
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*
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2022-04-04 21:14:34 +02:00
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* Permission checking for this function is managed through the normal
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* GRANT system.
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2022-03-21 20:02:25 +01:00
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*/
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void
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pgstat_reset_replslot_counter(const char *name)
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{
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PgStat_MsgResetreplslotcounter msg;
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if (pgStatSock == PGINVALID_SOCKET)
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return;
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if (name)
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{
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namestrcpy(&msg.m_slotname, name);
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msg.clearall = false;
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}
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else
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msg.clearall = true;
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pgstat_setheader(&msg.m_hdr, PGSTAT_MTYPE_RESETREPLSLOTCOUNTER);
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pgstat_send(&msg, sizeof(msg));
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}
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2022-04-04 21:14:34 +02:00
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/*
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* Tell the collector about replication slot statistics.
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2022-03-21 20:02:25 +01:00
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*/
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void
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pgstat_report_replslot(const PgStat_StatReplSlotEntry *repSlotStat)
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{
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PgStat_MsgReplSlot msg;
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/*
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* Prepare and send the message
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*/
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pgstat_setheader(&msg.m_hdr, PGSTAT_MTYPE_REPLSLOT);
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namestrcpy(&msg.m_slotname, NameStr(repSlotStat->slotname));
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msg.m_create = false;
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msg.m_drop = false;
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msg.m_spill_txns = repSlotStat->spill_txns;
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msg.m_spill_count = repSlotStat->spill_count;
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msg.m_spill_bytes = repSlotStat->spill_bytes;
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msg.m_stream_txns = repSlotStat->stream_txns;
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msg.m_stream_count = repSlotStat->stream_count;
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msg.m_stream_bytes = repSlotStat->stream_bytes;
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msg.m_total_txns = repSlotStat->total_txns;
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msg.m_total_bytes = repSlotStat->total_bytes;
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pgstat_send(&msg, sizeof(PgStat_MsgReplSlot));
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}
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2022-04-04 21:14:34 +02:00
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/*
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* Tell the collector about creating the replication slot.
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2022-03-21 20:02:25 +01:00
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*/
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void
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pgstat_report_replslot_create(const char *slotname)
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{
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PgStat_MsgReplSlot msg;
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pgstat_setheader(&msg.m_hdr, PGSTAT_MTYPE_REPLSLOT);
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namestrcpy(&msg.m_slotname, slotname);
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msg.m_create = true;
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msg.m_drop = false;
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pgstat_send(&msg, sizeof(PgStat_MsgReplSlot));
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}
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2022-04-04 21:14:34 +02:00
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/*
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* Tell the collector about dropping the replication slot.
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2022-03-21 20:02:25 +01:00
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*/
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void
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pgstat_report_replslot_drop(const char *slotname)
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{
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PgStat_MsgReplSlot msg;
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pgstat_setheader(&msg.m_hdr, PGSTAT_MTYPE_REPLSLOT);
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namestrcpy(&msg.m_slotname, slotname);
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msg.m_create = false;
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msg.m_drop = true;
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pgstat_send(&msg, sizeof(PgStat_MsgReplSlot));
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}
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