Bump version to 9.6.0

Aleksander Alekseev

Makefile

@@ -1,7 +1,7 @@
 # View README.pg_filedump first
 
 # note this must match version macros in pg_filedump.h
-FD_VERSION=9.5.0
+FD_VERSION=9.6.0
 
 CC=gcc
 CFLAGS=-g -O -Wall -Wmissing-prototypes -Wmissing-declarations
@@ -11,6 +11,7 @@ CFLAGS=-g -O -Wall -Wmissing-prototypes -Wmissing-declarations
 # the server include subdirectory, eg /usr/local/include/postgresql/server
 PG_CONFIG=pg_config
 PGSQL_INCLUDE_DIR=$(shell $(PG_CONFIG) --includedir-server)
+PGSQL_LIB_DIR=$(shell $(PG_CONFIG) --libdir)
 
 
 DISTFILES= README.pg_filedump Makefile Makefile.contrib \
@@ -19,7 +20,7 @@ DISTFILES= README.pg_filedump Makefile Makefile.contrib \
 all: pg_filedump
 
 pg_filedump: pg_filedump.o
-	${CC} ${CFLAGS} -o pg_filedump pg_filedump.o -lpgport
+	${CC} ${LDFLAGS} -o pg_filedump pg_filedump.o -L${PGSQL_LIB_DIR} -lpgport
 
 pg_filedump.o: pg_filedump.c
 	${CC} ${CFLAGS} -I${PGSQL_INCLUDE_DIR} pg_filedump.c -c

README.pg_filedump

@@ -59,7 +59,7 @@ not require any manual adjustments of the Makefile.
 ------------------------------------------------------------------------
 Invocation:
 
-pg_filedump [-abcdfhikxy] [-R startblock [endblock]] [-S blocksize] file
+pg_filedump [-abcdfhikxy] [-R startblock [endblock]] [-S blocksize] [-s segsize] [-n segnumber] file
 
 Defaults are: relative addressing, range of the entire file, block size
               as listed on block 0 in the file
@@ -80,6 +80,8 @@ The following options are valid for heap and index files:
         [startblock]: block to start at
         [endblock]: block to end at
       A startblock without an endblock will format the single block
+  -s  Force segment size to [segsize]
+  -n  Force segment number to [segnumber]
   -S  Force block size to [blocksize]
   -x  Force interpreted formatting of block items as index items
   -y  Force interpreted formatting of block items as heap items

pg_filedump.c

@@ -52,6 +52,12 @@ static unsigned int blockSize = 0;
 /* Current block in file */
 static unsigned int currentBlock = 0;
 
+/* Segment size in bytes */
+static unsigned int segmentSize = RELSEG_SIZE * BLCKSZ;
+
+/* Number of current segment */
+static unsigned int segmentNumber = 0;
+
 /* Offset of current block */
 static unsigned int pageOffset = 0;
 
@@ -61,6 +67,9 @@ static unsigned int bytesToFormat = 0;
 /* Block version number */
 static unsigned int blockVersion = 0;
 
+/* Program exit code */
+static int exitCode = 0;
+
 /***
  * Function Prototypes
  */
@@ -95,7 +104,7 @@ DisplayOptions(unsigned int validOptions)
 			 FD_VERSION, FD_PG_VERSION);
 
 	printf
-		("\nUsage: pg_filedump [-abcdfhikxy] [-R startblock [endblock]] [-S blocksize] file\n\n"
+		("\nUsage: pg_filedump [-abcdfhikxy] [-R startblock [endblock]] [-S blocksize] [-s segsize] [-n segnumber] file\n\n"
 	   "Display formatted contents of a PostgreSQL heap/index/control file\n"
 	   "Defaults are: relative addressing, range of the entire file, block\n"
 		 "               size as listed on block 0 in the file\n\n"
@@ -114,6 +123,8 @@ DisplayOptions(unsigned int validOptions)
 		 "      indexed from 0)\n" "        [startblock]: block to start at\n"
 		 "        [endblock]: block to end at\n"
 	  "      A startblock without an endblock will format the single block\n"
+		 "  -s  Force segment size to [segsize]\n"
+		 "  -n  Force segment number to [segnumber]\n"
 		 "  -S  Force block size to [blocksize]\n"
 		 "  -x  Force interpreted formatting of block items as index items\n"
 		 "  -y  Force interpreted formatting of block items as heap items\n\n"
@@ -124,6 +135,31 @@ DisplayOptions(unsigned int validOptions)
 		 "\nReport bugs to <pgsql-bugs@postgresql.org>\n");
 }
 
+/*
+ * Determine segment number by segment file name. For instance, if file
+ * name is /path/to/xxxx.7 procedure returns 7. Default return value is 0.
+ */
+static unsigned int
+GetSegmentNumberFromFileName(const char* fileName)
+{
+	int segnumOffset = strlen(fileName) - 1;
+
+	if(segnumOffset < 0)
+		return 0;
+
+	while(isdigit(fileName[segnumOffset]))
+	{
+		segnumOffset--;
+		if(segnumOffset < 0)
+			return 0;
+	}
+
+	if(fileName[segnumOffset] != '.')
+		return 0;
+
+    return atoi(&fileName[segnumOffset+1]);
+}
+
 /*	Iterate through the provided options and set the option flags. */
 /*	An error will result in a positive rc and will force a display */
 /*	of the usage information.  This routine returns enum */
@@ -158,6 +194,7 @@ ConsumeOptions(int numOptions, char **options)
 			{
 				rc = OPT_RC_INVALID;
 				printf("Error: Missing range start identifier.\n");
+				exitCode = 1;
 				break;
 			}
 
@@ -172,6 +209,7 @@ ConsumeOptions(int numOptions, char **options)
 				rc = OPT_RC_INVALID;
 				printf("Error: Invalid range start identifier <%s>.\n",
 					   optionString);
+				exitCode = 1;
 				break;
 			}
 
@@ -197,6 +235,7 @@ ConsumeOptions(int numOptions, char **options)
 						rc = OPT_RC_INVALID;
 						printf("Error: Requested block range start <%d> is "
 							   "greater than end <%d>.\n", blockStart, range);
+						exitCode = 1;
 						break;
 					}
 				}
@@ -232,6 +271,74 @@ ConsumeOptions(int numOptions, char **options)
 				rc = OPT_RC_INVALID;
 				printf("Error: Invalid block size requested <%s>.\n",
 					   optionString);
+				exitCode = 1;
+				break;
+			}
+		}
+		/* Check for the special case where the user forces a segment size. */
+		else if ((optionStringLength == 2)
+				 && (strcmp(optionString, "-s") == 0))
+		{
+			int			localSegmentSize;
+
+			SET_OPTION(segmentOptions, SEGMENT_SIZE_FORCED, 's');
+			/* Only accept the forced size option once */
+			if (rc == OPT_RC_DUPLICATE)
+				break;
+
+			/* The token immediately following -s is the segment size */
+			if (x >= (numOptions - 2))
+			{
+				rc = OPT_RC_INVALID;
+				printf("Error: Missing segment size identifier.\n");
+				exitCode = 1;
+				break;
+			}
+
+			/* Next option encountered must be forced segment size */
+			optionString = options[++x];
+			if ((localSegmentSize = GetOptionValue(optionString)) > 0)
+				segmentSize = (unsigned int) localSegmentSize;
+			else
+			{
+				rc = OPT_RC_INVALID;
+				printf("Error: Invalid segment size requested <%s>.\n",
+					   optionString);
+				exitCode = 1;
+				break;
+			}
+		}
+		/* Check for the special case where the user forces a segment number */
+		/* instead of having the tool determine it by file name. */
+		else if ((optionStringLength == 2)
+				 && (strcmp(optionString, "-n") == 0))
+		{
+			int			localSegmentNumber;
+
+			SET_OPTION(segmentOptions, SEGMENT_NUMBER_FORCED, 'n');
+			/* Only accept the forced segment number option once */
+			if (rc == OPT_RC_DUPLICATE)
+				break;
+
+			/* The token immediately following -n is the segment number */
+			if (x >= (numOptions - 2))
+			{
+				rc = OPT_RC_INVALID;
+				printf("Error: Missing segment number identifier.\n");
+				exitCode = 1;
+				break;
+			}
+
+			/* Next option encountered must be forced segment number */
+			optionString = options[++x];
+			if ((localSegmentNumber = GetOptionValue(optionString)) > 0)
+				segmentNumber = (unsigned int) localSegmentNumber;
+			else
+			{
+				rc = OPT_RC_INVALID;
+				printf("Error: Invalid segment number requested <%s>.\n",
+					   optionString);
+				exitCode = 1;
 				break;
 			}
 		}
@@ -243,11 +350,16 @@ ConsumeOptions(int numOptions, char **options)
 			{
 				fp = fopen(optionString, "rb");
 				if (fp)
+				{
 					fileName = options[x];
+					if(!(segmentOptions & SEGMENT_NUMBER_FORCED))
+						segmentNumber = GetSegmentNumberFromFileName(fileName);
+				}
 				else
 				{
 					rc = OPT_RC_FILE;
 					printf("Error: Could not open file <%s>.\n", optionString);
+					exitCode = 1;
 					break;
 				}
 			}
@@ -261,6 +373,7 @@ ConsumeOptions(int numOptions, char **options)
 				{
 					rc = OPT_RC_FILE;
 					printf("Error: Missing file name to dump.\n");
+					exitCode = 1;
 				}
 				break;
 			}
@@ -274,6 +387,7 @@ ConsumeOptions(int numOptions, char **options)
 			{
 				rc = OPT_RC_INVALID;
 				printf("Error: Invalid option string <%s>.\n", optionString);
+				exitCode = 1;
 				break;
 			}
 
@@ -335,6 +449,7 @@ ConsumeOptions(int numOptions, char **options)
 							rc = OPT_RC_INVALID;
 							printf("Error: Options <y> and <x> are "
 								   "mutually exclusive.\n");
+							exitCode = 1;
 						}
 						break;
 
@@ -346,12 +461,14 @@ ConsumeOptions(int numOptions, char **options)
 							rc = OPT_RC_INVALID;
 							printf("Error: Options <x> and <y> are "
 								   "mutually exclusive.\n");
+							exitCode = 1;
 						}
 						break;
 
 					default:
 						rc = OPT_RC_INVALID;
 						printf("Error: Unknown option <%c>.\n", optionString[y]);
+						exitCode = 1;
 						break;
 				}
 
@@ -362,7 +479,10 @@ ConsumeOptions(int numOptions, char **options)
 	}
 
 	if (rc == OPT_RC_DUPLICATE)
+	{
 		printf("Error: Duplicate option listed <%c>.\n", duplicateSwitch);
+		exitCode = 1;
+	}
 
 	/* If the user requested a control file dump, a pure binary */
 	/* block dump or a non-interpreted formatted dump, mask off */
@@ -379,6 +499,7 @@ ConsumeOptions(int numOptions, char **options)
 				rc = OPT_RC_INVALID;
 				printf("Error: Invalid options used for Control File dump.\n"
 					   "       Only options <Sf> may be used with <c>.\n");
+				exitCode = 1;
 			}
 			else
 			{
@@ -446,8 +567,12 @@ GetBlockSize()
 	if (bytesRead == pageHeaderSize)
 		localSize = (unsigned int) PageGetPageSize(&localCache);
 	else
+	{
 		printf("Error: Unable to read full page header from block 0.\n"
-			   "  ===> Read %u bytes", bytesRead);
+			   "  ===> Read %u bytes\n", bytesRead);
+		exitCode = 1;
+	}
+
 	return (localSize);
 }
 
@@ -687,24 +812,34 @@ FormatHeader(Page page, BlockNumber blkno)
 			|| (pageHeader->pd_lower > blockSize)
 			|| (pageHeader->pd_upper < pageHeader->pd_lower)
 			|| (pageHeader->pd_special > blockSize))
+		{
 			printf(" Error: Invalid header information.\n\n");
+			exitCode = 1;
+		}
 
 		if (blockOptions & BLOCK_CHECKSUMS)
 		{
-			uint16		calc_checksum = pg_checksum_page(page, blkno);
+			uint32	delta = (segmentSize/blockSize)*segmentNumber;
+			uint16	calc_checksum = pg_checksum_page(page, delta + blkno);
 
 			if (calc_checksum != pageHeader->pd_checksum)
+			{
 				printf(" Error: checksum failure: calculated 0x%04x.\n\n",
 					   calc_checksum);
+				exitCode = 1;
+			}
 		}
 	}
 
 	/* If we have reached the end of file while interpreting the header, let */
 	/* the user know about it */
 	if (rc == EOF_ENCOUNTERED)
+	{
 		printf
 			(" Error: End of block encountered within the header."
 			 " Bytes read: %4u.\n\n", bytesToFormat);
+		exitCode = 1;
+	}
 
 	/* A request to dump the formatted binary of the block (header, */
 	/* items and special section).  It's best to dump even on an error */
@@ -739,8 +874,11 @@ FormatItemBlock(Page page)
 	if (maxOffset == 0)
 		printf(" Empty block - no items listed \n\n");
 	else if ((maxOffset < 0) || (maxOffset > blockSize))
+	{
 		printf(" Error: Item index corrupt on block. Offset: <%d>.\n\n",
 			   maxOffset);
+		exitCode = 1;
+	}
 	else
 	{
 		int			formatAs;
@@ -813,9 +951,12 @@ FormatItemBlock(Page page)
 			/* formatting */
 			if ((itemOffset + itemSize > blockSize) ||
 				(itemOffset + itemSize > bytesToFormat))
+			{
 				printf("  Error: Item contents extend beyond block.\n"
 				   "         BlockSize<%d> Bytes Read<%d> Item Start<%d>.\n",
 					   blockSize, bytesToFormat, itemOffset + itemSize);
+				exitCode = 1;
+			}
 			else
 			{
 				/* If the user requests that the items be interpreted as */
@@ -853,7 +994,10 @@ FormatItem(unsigned int numBytes, unsigned int startIndex,
 		if (numBytes < SizeOfIptrData)
 		{
 			if (numBytes)
+			{
 				printf("  Error: This item does not look like an index item.\n");
+				exitCode = 1;
+			}
 		}
 		else
 		{
@@ -869,8 +1013,11 @@ FormatItem(unsigned int numBytes, unsigned int startIndex,
 				   IndexTupleHasVarwidths(itup) ? 1 : 0);
 
 			if (numBytes != IndexTupleSize(itup))
+			{
 				printf("  Error: Item size difference. Given <%u>, "
 				   "Internal <%d>.\n", numBytes, (int) IndexTupleSize(itup));
+				exitCode = 1;
+			}
 		}
 	}
 	else if (formatAs == ITEM_SPG_INNER)
@@ -879,7 +1026,10 @@ FormatItem(unsigned int numBytes, unsigned int startIndex,
 		if (numBytes < SGITHDRSZ)
 		{
 			if (numBytes)
+			{
 				printf("  Error: This item does not look like an SPGiST item.\n");
+				exitCode = 1;
+			}
 		}
 		else
 		{
@@ -892,8 +1042,11 @@ FormatItem(unsigned int numBytes, unsigned int startIndex,
 				   itup->prefixSize);
 
 			if (numBytes != itup->size)
+			{
 				printf("  Error: Item size difference. Given <%u>, "
 					   "Internal <%d>.\n", numBytes, (int) itup->size);
+				exitCode = 1;
+			}
 			else if (itup->prefixSize == MAXALIGN(itup->prefixSize))
 			{
 				int			i;
@@ -935,7 +1088,10 @@ FormatItem(unsigned int numBytes, unsigned int startIndex,
 		if (numBytes < SGLTHDRSZ)
 		{
 			if (numBytes)
+			{
 				printf("  Error: This item does not look like an SPGiST item.\n");
+				exitCode = 1;
+			}
 		}
 		else
 		{
@@ -949,8 +1105,11 @@ FormatItem(unsigned int numBytes, unsigned int startIndex,
 				   itup->heapPtr.ip_posid);
 
 			if (numBytes != itup->size)
+			{
 				printf("  Error: Item size difference. Given <%u>, "
 					   "Internal <%d>.\n", numBytes, (int) itup->size);
+				exitCode = 1;
+			}
 		}
 	}
 	else
@@ -961,7 +1120,10 @@ FormatItem(unsigned int numBytes, unsigned int startIndex,
 		if (numBytes < alignedSize)
 		{
 			if (numBytes)
+			{
 				printf("  Error: This item does not look like a heap item.\n");
+				exitCode = 1;
+			}
 		}
 		else
 		{
@@ -1068,10 +1230,14 @@ FormatItem(unsigned int numBytes, unsigned int startIndex,
 			 * array
 			 */
 			if (computedLength != localHoff)
+			{
 				printf
 					("  Error: Computed header length not equal to header size.\n"
 					 "         Computed <%u>  Header: <%d>\n", computedLength,
 					 localHoff);
+
+				exitCode = 1;
+			}
 			else if ((infoMask & HEAP_HASNULL) && bitmapLength)
 			{
 				printf("  t_bits: ");
@@ -1107,6 +1273,7 @@ FormatSpecial()
 		case SPEC_SECT_ERROR_UNKNOWN:
 		case SPEC_SECT_ERROR_BOUNDARY:
 			printf(" Error: Invalid special section encountered.\n");
+			exitCode = 1;
 			break;
 
 		case SPEC_SECT_SEQUENCE:
@@ -1261,6 +1428,7 @@ FormatSpecial()
 			/* No idea what type of special section this is */
 		default:
 			printf(" Unknown special section type. Type: <%u>.\n", specialType);
+			exitCode = 1;
 			break;
 	}
 
@@ -1268,8 +1436,12 @@ FormatSpecial()
 	if (blockOptions & BLOCK_FORMAT)
 	{
 		if (specialType == SPEC_SECT_ERROR_BOUNDARY)
+		{
 			printf(" Error: Special section points off page."
 				   " Unable to dump contents.\n");
+
+			exitCode = 1;
+		}
 		else
 			FormatBinary(specialSize, specialOffset);
 	}
@@ -1450,6 +1622,8 @@ FormatControl()
 		/* If we have an error, force a formatted dump so we can see */
 		/* where things are going wrong */
 		controlOptions |= CONTROL_FORMAT;
+
+		exitCode = 1;
 	}
 
 	/* Dump hex and ascii representation of data */
@@ -1539,6 +1713,7 @@ DumpFileContents()
 			printf("Error: Seek error encountered before requested "
 				   "start block <%d>.\n", blockStart);
 			contentsToDump = 0;
+			exitCode = 1;
 		}
 		else
 			currentBlock = blockStart;
@@ -1633,8 +1808,11 @@ main(int argv, char **argc)
 			if (buffer)
 				DumpFileContents();
 			else
+			{
 				printf("\nError: Unable to create buffer of size <%d>.\n",
 					   blockSize);
+				exitCode = 1;
+			}
 		}
 	}
 
@@ -1645,5 +1823,5 @@ main(int argv, char **argc)
 	if (buffer)
 		free(buffer);
 
-	exit(0);
+	exit(exitCode);
 }

pg_filedump.h

@@ -22,8 +22,8 @@
  * Original Author: Patrick Macdonald <patrickm@redhat.com>
  */
 
-#define FD_VERSION	"9.5.0"		/* version ID of pg_filedump */
+#define FD_VERSION	"9.6.0"		/* version ID of pg_filedump */
-#define FD_PG_VERSION	"PostgreSQL 9.5.x"		/* PG version it works with */
+#define FD_PG_VERSION	"PostgreSQL 9.6.x"		/* PG version it works with */
 
 #include "postgres.h"
 
@@ -55,6 +55,15 @@ typedef enum blockSwitches
 	BLOCK_CHECKSUMS = 0x00000040	/* -k: verify block checksums */
 } blockSwitches;
 
+/* Segment-related options */
+static unsigned int segmentOptions = 0;
+
+typedef enum segmentSwitches
+{
+	SEGMENT_SIZE_FORCED = 0x00000001,	/* -s: Segment size forced */
+	SEGMENT_NUMBER_FORCED = 0x00000002,	/* -n: Segment number forced */
+} segmentSwitches;
+
 /* -R[start]:Block range start */
 static int	blockStart = -1;