src/bin/pg_basebackup/streamutil.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * streamutil.h
   4  *
   5  * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
   6  *
   7  * IDENTIFICATION
   8  *                src/bin/pg_basebackup/streamutil.h
   9  *-------------------------------------------------------------------------
  10  */
  11
  12 #ifndef STREAMUTIL_H
  13 #define STREAMUTIL_H
  14
  15 #include "access/xlogdefs.h"
  16 #include "datatype/timestamp.h"
  17 #include "libpq-fe.h"
  18
  19 extern const char *progname;
  20 extern char *connection_string;
  21 extern char *dbhost;
  22 extern char *dbuser;
  23 extern char *dbport;
  24 extern char *dbname;
  25 extern int      dbgetpassword;
  26 extern uint32 WalSegSz;
  27
  28 /* Connection kept global so we can disconnect easily */
  29 extern PGconn *conn;
  30
  31 extern PGconn *GetConnection(void);
  32
  33 /* Replication commands */
  34 extern bool CreateReplicationSlot(PGconn *conn, const char *slot_name,
  35                                                                   const char *plugin, bool is_temporary,
  36                                                                   bool is_physical, bool reserve_wal,
  37                                                                   bool slot_exists_ok, bool two_phase);
  38 extern bool DropReplicationSlot(PGconn *conn, const char *slot_name);
  39 extern bool RunIdentifySystem(PGconn *conn, char **sysid,
  40                                                           TimeLineID *starttli,
  41                                                           XLogRecPtr *startpos,
  42                                                           char **db_name);
  43 extern bool RetrieveWalSegSize(PGconn *conn);
  44 extern TimestampTz feGetCurrentTimestamp(void);
  45 extern void feTimestampDifference(TimestampTz start_time, TimestampTz stop_time,
  46                                                                   long *secs, int *microsecs);
  47
  48 extern bool feTimestampDifferenceExceeds(TimestampTz start_time, TimestampTz stop_time,
  49                                                                                  int msec);
  50 extern void fe_sendint64(int64 i, char *buf);
  51 extern int64 fe_recvint64(char *buf);
  52
  53 #endif                                                  /* STREAMUTIL_H */