Move pg_controldata from /contrib to src/bin.

2 files changed, 182 insertions, 0 deletions

diff --git a/src/bin/pg_controldata/Makefile b/src/bin/pg_controldata/Makefile
new file mode 100644
index 00000000000..d1e3d6537f0
--- /dev/null
+++ b/src/bin/pg_controldata/Makefile
@@ -0,0 +1,35 @@
+#-------------------------------------------------------------------------
+#
+# Makefile for src/bin/pg_controldata
+#
+# Copyright (c) 1998, PostgreSQL Global Development Group
+#
+# $Header: /cvsroot/pgsql/src/bin/pg_controldata/Makefile,v 1.1 2002/08/16 20:34:06 momjian Exp $
+#
+#-------------------------------------------------------------------------
+
+subdir = src/bin/pg_controldata
+top_builddir = ../../..
+include $(top_builddir)/src/Makefile.global
+
+OBJS= pg_controldata.o pg_crc.o
+
+pg_crc.c: $(top_builddir)/src/backend/utils/hash/pg_crc.c
+	rm -f $@ && $(LN_S) $< .
+
+all: submake-libpq submake-libpgport pg_controldata
+
+pg_controldata: $(OBJS)
+	$(CC) $(CFLAGS) $^ $(libpq) $(LDFLAGS) $(LIBS) -o $@
+
+install: all installdirs
+	$(INSTALL_PROGRAM) pg_controldata$(X) $(DESTDIR)$(bindir)/pg_controldata$(X)
+
+installdirs:
+	$(mkinstalldirs) $(DESTDIR)$(bindir)
+
+uninstall:
+	rm -f $(DESTDIR)$(bindir)/pg_controldata$(X)
+
+clean distclean maintainer-clean:
+	rm -f pg_controldata$(X) pg_controldata.o pg_crc.o pg_crc.c
diff --git a/src/bin/pg_controldata/pg_controldata.c b/src/bin/pg_controldata/pg_controldata.c
new file mode 100644
index 00000000000..a77c2e22fa6
--- /dev/null
+++ b/src/bin/pg_controldata/pg_controldata.c
@@ -0,0 +1,147 @@
+/*
+ * pg_controldata
+ *
+ * reads the data from $PGDATA/global/pg_control
+ *
+ * copyright (c) Oliver Elphick <olly@lfix.co.uk>, 2001;
+ * licence: BSD
+ *
+ * $Header: /cvsroot/pgsql/src/bin/pg_controldata/pg_controldata.c,v 1.1 2002/08/16 20:34:06 momjian Exp $
+ */
+#include "postgres.h"
+
+#include <unistd.h>
+#include <time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "catalog/pg_control.h"
+
+
+static const char *
+dbState(DBState state)
+{
+	switch (state)
+	{
+		case DB_STARTUP:
+			return "STARTUP";
+		case DB_SHUTDOWNED:
+			return "SHUTDOWNED";
+		case DB_SHUTDOWNING:
+			return "SHUTDOWNING";
+		case DB_IN_RECOVERY:
+			return "IN_RECOVERY";
+		case DB_IN_PRODUCTION:
+			return "IN_PRODUCTION";
+	}
+	return "unrecognized status code";
+}
+
+
+int
+main(int argc, char *argv[])
+{
+	ControlFileData ControlFile;
+	int			fd;
+	char		ControlFilePath[MAXPGPATH];
+	char	   *DataDir;
+	crc64		crc;
+	char		pgctime_str[32];
+	char		ckpttime_str[32];
+
+	if (argc > 1)
+		DataDir = argv[1];
+	else
+		DataDir = getenv("PGDATA");
+	if (DataDir == NULL)
+	{
+		fprintf(stderr, "no data directory specified\n");
+		exit(1);
+	}
+
+	snprintf(ControlFilePath, MAXPGPATH, "%s/global/pg_control", DataDir);
+
+	if ((fd = open(ControlFilePath, O_RDONLY)) == -1)
+	{
+		perror("Failed to open $PGDATA/global/pg_control for reading");
+		exit(2);
+	}
+
+	if (read(fd, &ControlFile, sizeof(ControlFileData)) != sizeof(ControlFileData))
+	{
+		perror("Failed to read $PGDATA/global/pg_control");
+		exit(2);
+	}
+	close(fd);
+
+	/* Check the CRC. */
+	INIT_CRC64(crc);
+	COMP_CRC64(crc,
+			   (char *) &ControlFile + sizeof(crc64),
+			   sizeof(ControlFileData) - sizeof(crc64));
+	FIN_CRC64(crc);
+
+	if (!EQ_CRC64(crc, ControlFile.crc))
+		printf("WARNING: Calculated CRC checksum does not match value stored in file.\n"
+			   "Either the file is corrupt, or it has a different layout than this program\n"
+			   "is expecting.  The results below are untrustworthy.\n\n");
+
+	strftime(pgctime_str, 32, "%c",
+			 localtime(&(ControlFile.time)));
+	strftime(ckpttime_str, 32, "%c",
+			 localtime(&(ControlFile.checkPointCopy.time)));
+
+	printf("pg_control version number:            %u\n"
+		   "Catalog version number:               %u\n"
+		   "Database state:                       %s\n"
+		   "pg_control last modified:             %s\n"
+		   "Current log file id:                  %u\n"
+		   "Next log file segment:                %u\n"
+		   "Latest checkpoint location:           %X/%X\n"
+		   "Prior checkpoint location:            %X/%X\n"
+		   "Latest checkpoint's REDO location:    %X/%X\n"
+		   "Latest checkpoint's UNDO location:    %X/%X\n"
+		   "Latest checkpoint's StartUpID:        %u\n"
+		   "Latest checkpoint's NextXID:          %u\n"
+		   "Latest checkpoint's NextOID:          %u\n"
+		   "Time of latest checkpoint:            %s\n"
+		   "Database block size:                  %u\n"
+		   "Blocks per segment of large relation: %u\n"
+		   "Maximum length of names:              %u\n"
+		   "Maximum number of function arguments: %u\n"
+		   "Date/time type storage:               %s\n"
+		   "Maximum length of locale name:        %u\n"
+		   "LC_COLLATE:                           %s\n"
+		   "LC_CTYPE:                             %s\n",
+
+		   ControlFile.pg_control_version,
+		   ControlFile.catalog_version_no,
+		   dbState(ControlFile.state),
+		   pgctime_str,
+		   ControlFile.logId,
+		   ControlFile.logSeg,
+		   ControlFile.checkPoint.xlogid,
+		   ControlFile.checkPoint.xrecoff,
+		   ControlFile.prevCheckPoint.xlogid,
+		   ControlFile.prevCheckPoint.xrecoff,
+		   ControlFile.checkPointCopy.redo.xlogid,
+		   ControlFile.checkPointCopy.redo.xrecoff,
+		   ControlFile.checkPointCopy.undo.xlogid,
+		   ControlFile.checkPointCopy.undo.xrecoff,
+		   ControlFile.checkPointCopy.ThisStartUpID,
+		   ControlFile.checkPointCopy.nextXid,
+		   ControlFile.checkPointCopy.nextOid,
+		   ckpttime_str,
+		   ControlFile.blcksz,
+		   ControlFile.relseg_size,
+		   ControlFile.nameDataLen,
+		   ControlFile.funcMaxArgs,
+		   (ControlFile.enableIntTimes ?
+			"64-bit integers" : "Floating point"),
+		   ControlFile.localeBuflen,
+		   ControlFile.lc_collate,
+		   ControlFile.lc_ctype);
+
+	return (0);
+}