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@ -1,29 +1,15 @@ |
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/* pg_autovacuum.hszCmdline
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/* pg_autovacuum.h
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* Header file for pg_autovacuum.c |
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* (c) 2003 Matthew T. O'Connor |
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* |
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* $PostgreSQL: pgsql/contrib/pg_autovacuum/pg_autovacuum.h,v 1.12 2004/10/16 21:50:02 tgl Exp $ |
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*/ |
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#define FRONTEND |
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#ifndef _PG_AUTOVACUUM_H |
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#define _PG_AUTOVACUUM_H |
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#include "postgres_fe.h" |
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#include <unistd.h> |
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#ifdef HAVE_GETOPT_H |
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#include <getopt.h> |
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#endif |
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#include <time.h> |
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#include <sys/time.h> |
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/* These next two lines are correct when pg_autovaccum is compiled
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from within the postgresql source tree */ |
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#include "libpq-fe.h" |
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#include "lib/dllist.h" |
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/* Had to change the last two lines to compile on
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Redhat outside of postgresql source tree */ |
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/*
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#include "/usr/include/libpq-fe.h" |
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#include "/usr/include/pgsql/server/lib/dllist.h" |
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*/ |
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#define AUTOVACUUM_DEBUG 0 |
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#define VACBASETHRESHOLD 1000 |
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@ -43,9 +29,6 @@ |
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#define FROZENOID_QUERY "select oid,age(datfrozenxid) from pg_database where datname = 'template1'" |
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#define FROZENOID_QUERY2 "select oid,datname,age(datfrozenxid) from pg_database where datname!='template0'" |
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/* define atooid */ |
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#define atooid(x) ((Oid) strtoul((x), NULL, 10)) |
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/* Log levels */ |
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enum |
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{ |
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@ -57,7 +40,7 @@ enum |
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}; |
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/* define cmd_args stucture */ |
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struct cmdargs |
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typedef struct cmdargs |
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{ |
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int vacuum_base_threshold, |
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analyze_base_threshold, |
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@ -81,16 +64,13 @@ struct cmdargs |
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*host, |
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*logfile, |
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*port; |
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}; |
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typedef struct cmdargs cmd_args; |
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} cmd_args; |
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/* define cmd_args as global so we can get to them everywhere */ |
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cmd_args *args; |
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/* Might need to add a time value for last time the whold database was vacuumed.
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I think we need to guarantee this happens approx every 1Million TX's */ |
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struct dbinfo |
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/*
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* Might need to add a time value for last time the whole database was |
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* vacuumed. We need to guarantee this happens approx every 1Billion TX's |
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*/ |
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typedef struct dbinfo |
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{ |
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Oid oid; |
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long age; |
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@ -102,10 +82,9 @@ struct dbinfo |
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*username, |
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*password; |
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Dllist *table_list; |
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}; |
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typedef struct dbinfo db_info; |
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} db_info; |
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struct tableinfo |
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typedef struct tableinfo |
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{ |
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char *schema_name, |
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*table_name; |
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@ -125,53 +104,6 @@ struct tableinfo |
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curr_vacuum_count; /* Latest values from stats system */ |
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db_info *dbi; /* pointer to the database that this table
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* belongs to */ |
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}; |
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typedef struct tableinfo tbl_info; |
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} tbl_info; |
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/* The main program loop function */ |
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static int VacuumLoop(int argc, char **argv); |
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/* Functions for dealing with command line arguements */ |
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static cmd_args *get_cmd_args(int argc, char *argv[]); |
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static void print_cmd_args(void); |
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static void free_cmd_args(void); |
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static void usage(void); |
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/* Functions for managing database lists */ |
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static Dllist *init_db_list(void); |
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static db_info *init_dbinfo(char *dbname, Oid oid, long age); |
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static void update_db_list(Dllist *db_list); |
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static void remove_db_from_list(Dlelem *db_to_remove); |
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static void print_db_info(db_info * dbi, int print_table_list); |
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static void print_db_list(Dllist *db_list, int print_table_lists); |
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static int xid_wraparound_check(db_info * dbi); |
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static void free_db_list(Dllist *db_list); |
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/* Functions for managing table lists */ |
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static tbl_info *init_table_info(PGresult *conn, int row, db_info * dbi); |
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static void update_table_list(db_info * dbi); |
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static void remove_table_from_list(Dlelem *tbl_to_remove); |
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static void print_table_list(Dllist *tbl_node); |
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static void print_table_info(tbl_info * tbl); |
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static void update_table_thresholds(db_info * dbi, tbl_info * tbl, int vacuum_type); |
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static void free_tbl_list(Dllist *tbl_list); |
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/* A few database helper functions */ |
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static int check_stats_enabled(db_info * dbi); |
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static PGconn *db_connect(db_info * dbi); |
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static void db_disconnect(db_info * dbi); |
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static PGresult *send_query(const char *query, db_info * dbi); |
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/* Other Generally needed Functions */ |
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#ifndef WIN32 |
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static void daemonize(void); |
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#endif |
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static void log_entry(const char *logentry, int level); |
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#ifdef WIN32 |
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/* Windows Service related functions */ |
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static void ControlHandler(DWORD request); |
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static int InstallService(); |
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static int RemoveService(); |
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#endif |
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#endif /* _PG_AUTOVACUUM_H */ |
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Tom Lane
21 years ago