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Use new utils/version.c instead of backend/utils/init/magic.c.

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This commit is contained in:
Bryan Henderson 1996-11-12 06:47:10 +00:00
parent bbe89089c8
commit 17befd6c69
7 changed files with 370 additions and 354 deletions
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6
src/backend/Makefile
View File

@ -34,7 +34,7 @@
#
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/backend/Makefile,v 1.14 1996/11/03 09:05:30 bryanh Exp $
# $Header: /cvsroot/pgsql/src/backend/Makefile,v 1.15 1996/11/12 06:46:04 bryanh Exp $
#
#-------------------------------------------------------------------------
@ -131,7 +131,8 @@ OBJS = access/SUBSYS.o bootstrap/SUBSYS.o catalog/SUBSYS.o \
lib/SUBSYS.o libpq/SUBSYS.o main/SUBSYS.o nodes/SUBSYS.o \
optimizer/SUBSYS.o parser/SUBSYS.o port/SUBSYS.o \
postmaster/SUBSYS.o regex/SUBSYS.o rewrite/SUBSYS.o \
storage/SUBSYS.o tcop/SUBSYS.o utils/SUBSYS.o
storage/SUBSYS.o tcop/SUBSYS.o utils/SUBSYS.o \
../utils/version.o
ifdef TIOGA
OBJS += tioga/SUBSYS.o
@ -167,6 +168,7 @@ postgres_group4:
ifdef TIOGA
$(MAKE) -C tioga all
endif
$(MAKE) -C ../utils version.o
global1.bki.source local1_template1.bki.source:
$(MAKE) -C catalog $@

20
src/backend/postmaster/postmaster.c
View File

@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.23 1996/11/10 03:01:41 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.24 1996/11/12 06:46:36 bryanh Exp $
*
* NOTES
*
@ -75,6 +75,7 @@
#include "libpq/auth.h"
#include "libpq/pqcomm.h"
#include "miscadmin.h"
#include "version.h"
#include "lib/dllist.h"
#include "nodes/nodes.h"
#include "utils/mcxt.h"
@ -1186,7 +1187,7 @@ checkDataDir(void)
SEP_CHAR);
if ((fp=fopen(path, "r")) == NULL) {
fprintf(stderr, "%s does not find the database. Expected to find it "
"in the PGDATA directory \"%s\", but unable to open directory "
"in the PGDATA directory \"%s\", but unable to open file "
"with pathname \"%s\".\n",
progname, DataDir, path);
exit(2);
@ -1194,11 +1195,20 @@ checkDataDir(void)
fclose(fp);
#ifndef WIN32
if (!ValidPgVersion(DataDir)) {
fprintf(stderr, "%s: data base in \"%s\" is of a different version.\n",
progname, DataDir);
{
char *reason; /* reason ValidatePgVersion failed. NULL if didn't */
ValidatePgVersion(DataDir, &reason);
if (reason) {
fprintf(stderr,
"Database system in directory %s "
"is not compatible with this version of "
"Postgres, or we are unable to read the PG_VERSION file. "
"Explanation from ValidatePgVersion: %s\n",
DataDir, reason);
free(reason);
exit(2);
}
}
#endif /* WIN32 */
}

4
src/backend/utils/init/Makefile
View File

@ -4,7 +4,7 @@
# Makefile for utils/init
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/backend/utils/init/Makefile,v 1.2 1996/11/09 06:23:41 momjian Exp $
# $Header: /cvsroot/pgsql/src/backend/utils/init/Makefile,v 1.3 1996/11/12 06:46:40 bryanh Exp $
#
#-------------------------------------------------------------------------
@ -20,7 +20,7 @@ CFLAGS += $(INCLUDE_OPT)
CFLAGS += -DPOSTGRESDIR='"$(POSTGRESDIR)"' -DPGDATADIR='"$(DATADIR)"' \
-DPOSTPORT='"$(POSTPORT)"'
OBJS = enbl.o findbe.o globals.o magic.o miscinit.o postinit.o
OBJS = enbl.o findbe.o globals.o miscinit.o postinit.o
all: SUBSYS.o

175
src/backend/utils/init/postinit.c
View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/init/postinit.c,v 1.5 1996/11/08 06:00:33 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/init/postinit.c,v 1.6 1996/11/12 06:46:42 bryanh Exp $
*
* NOTES
* InitPostgres() is the function called from PostgresMain
@ -30,12 +30,14 @@
#include <stdio.h>
#include <string.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <math.h>
#include <unistd.h>
#include "postgres.h"
#include "version.h"
#include <storage/backendid.h>
#include <storage/buf_internals.h>
@ -228,9 +230,15 @@ InitMyDatabaseId()
DatabaseRelationName);
}
/*
* DoChdirAndInitDatabaseNameAndPath --
* Sets current directory appropriately for given path and name.
* Set current directory to the database directory for the database
* named <name>.
* Also set global variables DatabasePath and DatabaseName to those
* values. Also check for proper version of database system and
* database. Exit program via elog() if anything doesn't check out.
*
* Arguments:
* Path and name are invalid if it invalid as a string.
@ -239,62 +247,93 @@ InitMyDatabaseId()
* Name is "badly formated" if it contains more than 16 characters or if
* it is a bad file name (e.g., it contains a '/' or an 8-bit character).
*
* Side effects:
* Initially, DatabasePath and DatabaseName are invalid. They are
* set to valid strings before this function returns.
*
* Exceptions:
* BadState if called more than once.
* BadArg if both path and name are "badly formated" or invalid.
* BadArg if path and name are both "inconsistent" and valid.
*/
/* ----------------
* DoChdirAndInitDatabaseNameAndPath
*
* this just chdir's to the proper data/base directory
* XXX clean this up more.
*
* XXX The following code is an incorrect of the semantics
* XXX described in the header file. Handling of defaults
* XXX should happen here, too.
* ----------------
* This routine is inappropriate in bootstrap mode, since the directories
* and version files need not exist yet if we're in bootstrap mode.
*/
void
DoChdirAndInitDatabaseNameAndPath(char *name, /* name of database */
char *path) /* full path to database */
{
/* ----------------
* check the path
* ----------------
*/
if (path)
SetDatabasePath(path);
else
elog(FATAL, "DoChdirAndInitDatabaseNameAndPath: path:%s is not valid",
path);
static void
DoChdirAndInitDatabaseNameAndPath(char *name) {
char *reason;
/* Failure reason returned by some function. NULL if no failure */
#ifndef WIN32
struct stat statbuf;
#else
struct _stat statbuf;
#endif
char errormsg[1000];
/* ----------------
* check the name
* ----------------
*/
if (name)
if (stat(DataDir, &statbuf) < 0)
sprintf(errormsg, "Database system does not exist. "
"PGDATA directory '%s' not found. Normally, you "
"create a database system by running initdb.",
DataDir);
else {
char myPath[MAXPGPATH]; /* DatabasePath points here! */
if (strlen(DataDir) + strlen(name) + 10 > sizeof(myPath))
sprintf(errormsg, "Internal error in postinit.c: database "
"pathname exceeds maximum allowable length.");
else {
sprintf(myPath, "%s/base/%s", DataDir, name);
if (stat(myPath, &statbuf) < 0)
sprintf(errormsg,
"Database '%s' does not exist. "
"(We know this because the directory '%s' "
"does not exist). You can create a database "
"with the SQL command CREATE DATABASE. To see "
"what databases exist, look at the subdirectories "
"of '%s/base/'.",
name, myPath, DataDir);
else {
ValidatePgVersion(DataDir, &reason);
if (reason != NULL)
sprintf(errormsg,
"InitPostgres could not validate that the database "
"system version is compatible with this level of "
"Postgres. You may need to run initdb to create "
"a new database system. %s",
reason);
else {
ValidatePgVersion(myPath, &reason);
if (reason != NULL)
sprintf(errormsg,
"InitPostgres could not validate that the "
"database version is compatible with this level "
"of Postgres, even though the database system "
"as a whole appears to be at a compatible level. "
"You may need to recreate the database with SQL "
"commands DROP DATABASE and CREATE DATABASE. "
"%s",
reason);
else {
/* The directories and PG_VERSION files are in order.*/
int rc; /* return code from some function we call */
SetDatabasePath(myPath);
SetDatabaseName(name);
else
elog(FATAL, "DoChdirAndInitDatabaseNameAndPath: name:%s is not valid",
name);
/* ----------------
* change to the directory, or die trying.
*
* XXX unless the path hasn't been set because we're bootstrapping.
* HP-UX doesn't like chdir("") so check for that case before
* doing anything drastic.
* ----------------
*/
if (*path && (chdir(path) < 0))
elog(FATAL, "DoChdirAndInitDatabaseNameAndPath: chdir(\"%s\"): %m",
path);
rc = chdir(myPath);
if (rc < 0)
sprintf(errormsg,
"InitPostgres unable to change "
"current directory to '%s', errno = %s (%d).",
myPath, strerror(errno), errno);
else errormsg[0] = '\0';
}
}
}
}
}
if (errormsg[0] != '\0')
elog(FATAL, errormsg);
/* Above does not return */
}
/* --------------------------------
* InitUserid
@ -518,39 +557,11 @@ InitPostgres(char *name) /* database name */
if (!TransactionFlushEnabled())
on_exitpg(FlushBufferPool, (caddr_t) NULL);
/* ----------------
* check for valid "meta gunk" (??? -cim 10/5/90) and change to
* database directory.
*
* Note: DatabaseName, MyDatabaseName, and DatabasePath are all
* initialized with DatabaseMetaGunkIsConsistent(), strncpy() and
* DoChdirAndInitDatabase() below! XXX clean this crap up!
* -cim 10/5/90
* ----------------
*/
{
char myPath[MAXPGPATH] = "."; /* DatabasePath points here! */
/* ----------------
* DatabaseMetaGunkIsConsistent fills in myPath, but what about
* when bootstrap or Noversion is true?? -cim 10/5/90
* ----------------
*/
if (! bootstrap &&
! DatabaseMetaGunkIsConsistent(name, myPath) &&
! Noversion) {
elog(NOTICE, "InitPostgres: could not locate valid PG_VERSION\n");
elog(NOTICE, "files for %s and %s.", DataDir, name);
elog(FATAL, "Have you run initdb/createdb and set PGDATA properly?");
}
/* ----------------
* ok, we've figured out myName and myPath, now save these
* and chdir to myPath.
* ----------------
*/
DoChdirAndInitDatabaseNameAndPath(name, myPath);
if (bootstrap) {
SetDatabasePath(".");
SetDatabaseName(name);
} else {
DoChdirAndInitDatabaseNameAndPath(name);
}
/* ********************************

32
src/bin/pg_version/Makefile
View File

@ -7,20 +7,34 @@
#
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/bin/pg_version/Attic/Makefile,v 1.1.1.1 1996/07/09 06:22:14 scrappy Exp $
# $Header: /cvsroot/pgsql/src/bin/pg_version/Attic/Makefile,v 1.2 1996/11/12 06:46:54 bryanh Exp $
#
#-------------------------------------------------------------------------
PROG= pg_version
MKDIR= ../../mk
include $(MKDIR)/postgres.mk
SRCDIR= ../..
include ../Makefile.global
include ../../Makefile.global
VPATH:=$(VPATH):$(srcdir)/backend/utils/init
SRCS= pg_version.c magic.c
OBJS= pg_version.o ../../utils/version.o
CFLAGS+= -I$(srcdir)/backend/port/$(PORTNAME)
all: pg_version
include $(MKDIR)/postgres.prog.mk
pg_version: submake $(OBJS)
$(CC) $(LDFLAGS) -o pg_version $(OBJS) $(LD_ADD)
.PHONY: submake
submake:
$(MAKE) -C ../../utils version.o
install: pg_version
$(INSTALL) $(INSTL_EXE_OPTS) pg_version $(DESTDIR)$(BINDIR)/pg_version
depend dep:
$(CC) -MM $(INCLUDE_OPT) *.c >depend
clean:
rm -f pg_version pg_version.o
ifeq (depend,$(wildcard depend))
include depend
endif

34
src/bin/pg_version/pg_version.c
View File

@ -7,38 +7,34 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/pg_version/Attic/pg_version.c,v 1.5 1996/11/10 03:04:02 momjian Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_version/Attic/pg_version.c,v 1.6 1996/11/12 06:47:00 bryanh Exp $
*
*-------------------------------------------------------------------------
*/
#include <stdlib.h>
#include <stdio.h>
int Noversion = 0;
char *DataDir = (char *) NULL;
#include <version.h> /* interface to SetPgVersion */
extern void SetPgVersion(const char *);
int
main(int argc, char **argv)
{
int retcode; /* our eventual return code */
char *reason; /* Reason that SetPgVersion failed, NULL if it didn't. */
if (argc < 2) {
fprintf(stderr, "pg_version: missing argument\n");
exit(1);
}
SetPgVersion(argv[1]);
return(0);
}
void elog(void); /* make compiler happy */
void
elog(void) {}
int GetDataHome(void); /* make compiler happy */
int
GetDataHome(void)
{
return(0);
SetPgVersion(argv[1], &reason);
if (reason) {
fprintf(stderr,
"pg_version is unable to create the PG_VERSION file. "
"SetPgVersion gave this reason: %s\n",
reason);
retcode = 10;
} else retcode = 0;
return(retcode);
}

19
src/include/miscadmin.h
View File

@ -12,7 +12,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: miscadmin.h,v 1.2 1996/11/06 10:28:59 scrappy Exp $
* $Id: miscadmin.h,v 1.3 1996/11/12 06:47:10 bryanh Exp $
*
* NOTES
* some of the information in this file will be moved to
@ -69,14 +69,6 @@ extern Oid LastOidProcessed; /* for query rewrite */
*/
#define NDBUFS 64
/*****************************************************************************
* magic.h - definitions of the indexes of the magic numbers *
*****************************************************************************/
#define PG_RELEASE 6
#define PG_VERSION 0
#define PG_VERFILE "PG_VERSION"
/*****************************************************************************
* pdir.h -- *
* POSTGRES directory path definitions. *
@ -148,7 +140,6 @@ typedef int16 ExitStatus;
/* in utils/init/postinit.c */
extern void InitMyDatabaseId(void);
extern void DoChdirAndInitDatabaseNameAndPath(char *name, char *path);
extern void InitUserid(void);
extern void InitCommunication(void);
extern void InitStdio(void);
@ -170,12 +161,4 @@ extern bool IsNormalProcessingMode(void);
extern void SetProcessingMode(ProcessingMode mode);
extern ProcessingMode GetProcessingMode(void);
/*
* Prototypes for utils/init/magic.c
*/
extern int DatabaseMetaGunkIsConsistent(const char *database, char *path);
extern int ValidPgVersion(const char *path);
extern void SetPgVersion(const char *path);
#endif /* MISCADMIN_H */