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pgindent run. Make it all clean.
This commit is contained in:
@@ -5,15 +5,15 @@
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* Can also rebuild pg_control if needed.
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*
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* The theory of operation is fairly simple:
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* 1. Read the existing pg_control (which will include the last
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* 1. Read the existing pg_control (which will include the last
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* checkpoint record). If it is an old format then update to
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* current format.
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* 2. If pg_control is corrupt, attempt to intuit reasonable values,
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* by scanning the old xlog if necessary.
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* 3. Modify pg_control to reflect a "shutdown" state with a checkpoint
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* record at the start of xlog.
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* record at the start of xlog.
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* 4. Flush the existing xlog files and write a new segment with
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* just a checkpoint record in it. The new segment is positioned
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* just a checkpoint record in it. The new segment is positioned
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* just past the end of the old xlog, so that existing LSNs in
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* data pages will appear to be "in the past".
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* This is all pretty straightforward except for the intuition part of
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@@ -23,7 +23,7 @@
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* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Header: /cvsroot/pgsql/contrib/pg_resetxlog/Attic/pg_resetxlog.c,v 1.2 2001/03/16 05:08:39 tgl Exp $
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* $Header: /cvsroot/pgsql/contrib/pg_resetxlog/Attic/pg_resetxlog.c,v 1.3 2001/03/22 03:59:10 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@@ -63,7 +63,7 @@
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* Compute ID and segment from an XLogRecPtr.
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*
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* For XLByteToSeg, do the computation at face value. For XLByteToPrevSeg,
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* a boundary byte is taken to be in the previous segment. This is suitable
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* a boundary byte is taken to be in the previous segment. This is suitable
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* for deciding which segment to write given a pointer to a record end,
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* for example.
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*/
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@@ -109,8 +109,9 @@ static char *DataDir; /* locations of important stuff */
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static char XLogDir[MAXPGPATH];
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static char ControlFilePath[MAXPGPATH];
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static ControlFileData ControlFile; /* pg_control values */
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static uint32 newXlogId, newXlogSeg; /* ID/Segment of new XLOG segment */
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static ControlFileData ControlFile; /* pg_control values */
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static uint32 newXlogId,
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newXlogSeg; /* ID/Segment of new XLOG segment */
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static bool guessed = false; /* T if we had to guess at any values */
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@@ -139,17 +140,18 @@ XLogFileOpen(uint32 log, uint32 seg)
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static bool
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ReadControlFile(void)
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{
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int fd;
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int len;
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char *buffer;
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crc64 crc;
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int fd;
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int len;
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char *buffer;
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crc64 crc;
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if ((fd = open(ControlFilePath, O_RDONLY)) < 0)
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{
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/*
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* If pg_control is not there at all, or we can't read it,
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* the odds are we've been handed a bad DataDir path, so give up.
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* User can do "touch pg_control" to force us to proceed.
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* If pg_control is not there at all, or we can't read it, the
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* odds are we've been handed a bad DataDir path, so give up. User
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* can do "touch pg_control" to force us to proceed.
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*/
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perror("Failed to open $PGDATA/global/pg_control for reading");
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if (errno == ENOENT)
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@@ -175,7 +177,7 @@ ReadControlFile(void)
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{
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/* Seems to be current version --- check the CRC. */
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INIT_CRC64(crc);
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COMP_CRC64(crc,
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COMP_CRC64(crc,
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buffer + sizeof(crc64),
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sizeof(ControlFileData) - sizeof(crc64));
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FIN_CRC64(crc);
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@@ -193,6 +195,7 @@ ReadControlFile(void)
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guessed = true;
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return true;
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}
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/*
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* Maybe it's a 7.1beta pg_control.
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*/
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@@ -217,75 +220,75 @@ ReadControlFile(void)
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typedef struct crc64V0
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{
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uint32 crc1;
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uint32 crc2;
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} crc64V0;
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uint32 crc1;
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uint32 crc2;
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} crc64V0;
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static uint32 crc_tableV0[] = {
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0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
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0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
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0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
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0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
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0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
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0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
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0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
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0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
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0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
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0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
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0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
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0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
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0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
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0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
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0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
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0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
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0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
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0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
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0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
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0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
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0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
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0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
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0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
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0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
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0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
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0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
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0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
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0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
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0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
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0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
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0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
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0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
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0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
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0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
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0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
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0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
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0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
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0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
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0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
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0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
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0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
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0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
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0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
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||||
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
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0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
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||||
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
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||||
0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
|
||||
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
|
||||
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
|
||||
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
|
||||
0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
|
||||
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
|
||||
0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
|
||||
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
|
||||
0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
|
||||
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
|
||||
0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
|
||||
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
|
||||
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
|
||||
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
|
||||
0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
|
||||
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
|
||||
0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
|
||||
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
|
||||
0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
|
||||
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
|
||||
0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
|
||||
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
|
||||
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
|
||||
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
|
||||
0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
|
||||
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
|
||||
0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
|
||||
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
|
||||
0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
|
||||
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
|
||||
0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
|
||||
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
|
||||
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
|
||||
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
|
||||
0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
|
||||
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
|
||||
0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
|
||||
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
|
||||
0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
|
||||
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
|
||||
};
|
||||
|
||||
#define INIT_CRC64V0(crc) ((crc).crc1 = 0xffffffff, (crc).crc2 = 0xffffffff)
|
||||
#define FIN_CRC64V0(crc) ((crc).crc1 ^= 0xffffffff, (crc).crc2 ^= 0xffffffff)
|
||||
#define COMP_CRC64V0(crc, data, len) \
|
||||
{\
|
||||
uint32 __c1 = (crc).crc1;\
|
||||
uint32 __c2 = (crc).crc2;\
|
||||
char *__data = (char *) (data);\
|
||||
uint32 __len = (len);\
|
||||
uint32 __c1 = (crc).crc1;\
|
||||
uint32 __c2 = (crc).crc2;\
|
||||
char *__data = (char *) (data);\
|
||||
uint32 __len = (len);\
|
||||
\
|
||||
while (__len >= 2)\
|
||||
{\
|
||||
__c1 = crc_tableV0[(__c1 ^ *__data++) & 0xff] ^ (__c1 >> 8);\
|
||||
__c2 = crc_tableV0[(__c2 ^ *__data++) & 0xff] ^ (__c2 >> 8);\
|
||||
__len -= 2;\
|
||||
}\
|
||||
if (__len > 0)\
|
||||
__c1 = crc_tableV0[(__c1 ^ *__data++) & 0xff] ^ (__c1 >> 8);\
|
||||
(crc).crc1 = __c1;\
|
||||
(crc).crc2 = __c2;\
|
||||
while (__len >= 2)\
|
||||
{\
|
||||
__c1 = crc_tableV0[(__c1 ^ *__data++) & 0xff] ^ (__c1 >> 8);\
|
||||
__c2 = crc_tableV0[(__c2 ^ *__data++) & 0xff] ^ (__c2 >> 8);\
|
||||
__len -= 2;\
|
||||
}\
|
||||
if (__len > 0)\
|
||||
__c1 = crc_tableV0[(__c1 ^ *__data++) & 0xff] ^ (__c1 >> 8);\
|
||||
(crc).crc1 = __c1;\
|
||||
(crc).crc2 = __c2;\
|
||||
}
|
||||
|
||||
#define EQ_CRC64V0(c1,c2) ((c1).crc1 == (c2).crc1 && (c1).crc2 == (c2).crc2)
|
||||
@@ -295,51 +298,51 @@ static uint32 crc_tableV0[] = {
|
||||
|
||||
typedef struct ControlFileDataV0
|
||||
{
|
||||
crc64V0 crc;
|
||||
uint32 logId; /* current log file id */
|
||||
uint32 logSeg; /* current log file segment (1-based) */
|
||||
XLogRecPtr checkPoint; /* last check point record ptr */
|
||||
time_t time; /* time stamp of last modification */
|
||||
DBState state; /* see enum above */
|
||||
uint32 blcksz; /* block size for this DB */
|
||||
uint32 relseg_size; /* blocks per segment of large relation */
|
||||
uint32 catalog_version_no; /* internal version number */
|
||||
char lc_collate[LOCALE_NAME_BUFLEN_V0];
|
||||
char lc_ctype[LOCALE_NAME_BUFLEN_V0];
|
||||
char archdir[MAXPGPATH]; /* where to move offline log files */
|
||||
} ControlFileDataV0;
|
||||
crc64V0 crc;
|
||||
uint32 logId; /* current log file id */
|
||||
uint32 logSeg; /* current log file segment (1-based) */
|
||||
XLogRecPtr checkPoint; /* last check point record ptr */
|
||||
time_t time; /* time stamp of last modification */
|
||||
DBState state; /* see enum above */
|
||||
uint32 blcksz; /* block size for this DB */
|
||||
uint32 relseg_size; /* blocks per segment of large relation */
|
||||
uint32 catalog_version_no; /* internal version number */
|
||||
char lc_collate[LOCALE_NAME_BUFLEN_V0];
|
||||
char lc_ctype[LOCALE_NAME_BUFLEN_V0];
|
||||
char archdir[MAXPGPATH]; /* where to move offline log files */
|
||||
} ControlFileDataV0;
|
||||
|
||||
typedef struct CheckPointV0
|
||||
{
|
||||
XLogRecPtr redo; /* next RecPtr available when we */
|
||||
/* began to create CheckPoint */
|
||||
/* (i.e. REDO start point) */
|
||||
XLogRecPtr undo; /* first record of oldest in-progress */
|
||||
/* transaction when we started */
|
||||
/* (i.e. UNDO end point) */
|
||||
StartUpID ThisStartUpID;
|
||||
TransactionId nextXid;
|
||||
Oid nextOid;
|
||||
bool Shutdown;
|
||||
} CheckPointV0;
|
||||
XLogRecPtr redo; /* next RecPtr available when we */
|
||||
/* began to create CheckPoint */
|
||||
/* (i.e. REDO start point) */
|
||||
XLogRecPtr undo; /* first record of oldest in-progress */
|
||||
/* transaction when we started */
|
||||
/* (i.e. UNDO end point) */
|
||||
StartUpID ThisStartUpID;
|
||||
TransactionId nextXid;
|
||||
Oid nextOid;
|
||||
bool Shutdown;
|
||||
} CheckPointV0;
|
||||
|
||||
typedef struct XLogRecordV0
|
||||
{
|
||||
crc64V0 xl_crc;
|
||||
XLogRecPtr xl_prev; /* ptr to previous record in log */
|
||||
XLogRecPtr xl_xact_prev; /* ptr to previous record of this xact */
|
||||
TransactionId xl_xid; /* xact id */
|
||||
uint16 xl_len; /* total len of record *data* */
|
||||
uint8 xl_info;
|
||||
RmgrId xl_rmid; /* resource manager inserted this record */
|
||||
} XLogRecordV0;
|
||||
crc64V0 xl_crc;
|
||||
XLogRecPtr xl_prev; /* ptr to previous record in log */
|
||||
XLogRecPtr xl_xact_prev; /* ptr to previous record of this xact */
|
||||
TransactionId xl_xid; /* xact id */
|
||||
uint16 xl_len; /* total len of record *data* */
|
||||
uint8 xl_info;
|
||||
RmgrId xl_rmid; /* resource manager inserted this record */
|
||||
} XLogRecordV0;
|
||||
|
||||
#define SizeOfXLogRecordV0 DOUBLEALIGN(sizeof(XLogRecordV0))
|
||||
|
||||
typedef struct XLogContRecordV0
|
||||
{
|
||||
uint16 xl_len; /* len of data left */
|
||||
} XLogContRecordV0;
|
||||
uint16 xl_len; /* len of data left */
|
||||
} XLogContRecordV0;
|
||||
|
||||
#define SizeOfXLogContRecordV0 DOUBLEALIGN(sizeof(XLogContRecordV0))
|
||||
|
||||
@@ -347,16 +350,16 @@ typedef struct XLogContRecordV0
|
||||
|
||||
typedef struct XLogPageHeaderDataV0
|
||||
{
|
||||
uint32 xlp_magic;
|
||||
uint16 xlp_info;
|
||||
} XLogPageHeaderDataV0;
|
||||
uint32 xlp_magic;
|
||||
uint16 xlp_info;
|
||||
} XLogPageHeaderDataV0;
|
||||
|
||||
#define SizeOfXLogPHDV0 DOUBLEALIGN(sizeof(XLogPageHeaderDataV0))
|
||||
|
||||
typedef XLogPageHeaderDataV0 *XLogPageHeaderV0;
|
||||
|
||||
|
||||
static bool RecordIsValidV0(XLogRecordV0 *record);
|
||||
static bool RecordIsValidV0(XLogRecordV0 * record);
|
||||
static XLogRecordV0 *ReadRecordV0(XLogRecPtr *RecPtr, char *buffer);
|
||||
static bool ValidXLOGHeaderV0(XLogPageHeaderV0 hdr);
|
||||
|
||||
@@ -376,7 +379,7 @@ CheckControlVersion0(char *buffer, int len)
|
||||
return false;
|
||||
/* Check CRC the version-0 way. */
|
||||
INIT_CRC64V0(crc);
|
||||
COMP_CRC64V0(crc,
|
||||
COMP_CRC64V0(crc,
|
||||
buffer + sizeof(crc64V0),
|
||||
sizeof(ControlFileDataV0) - sizeof(crc64V0));
|
||||
FIN_CRC64V0(crc);
|
||||
@@ -409,12 +412,13 @@ CheckControlVersion0(char *buffer, int len)
|
||||
(char *) malloc(_INTL_MAXLOGRECSZ));
|
||||
if (record == NULL)
|
||||
{
|
||||
|
||||
/*
|
||||
* We have to guess at the checkpoint contents.
|
||||
*/
|
||||
guessed = true;
|
||||
ControlFile.checkPointCopy.ThisStartUpID = 0;
|
||||
ControlFile.checkPointCopy.nextXid = (TransactionId) 514; /* XXX */
|
||||
ControlFile.checkPointCopy.nextXid = (TransactionId) 514; /* XXX */
|
||||
ControlFile.checkPointCopy.nextOid = BootstrapObjectIdData;
|
||||
return true;
|
||||
}
|
||||
@@ -435,26 +439,26 @@ CheckControlVersion0(char *buffer, int len)
|
||||
* We assume all of the record has been read into memory at *record.
|
||||
*/
|
||||
static bool
|
||||
RecordIsValidV0(XLogRecordV0 *record)
|
||||
RecordIsValidV0(XLogRecordV0 * record)
|
||||
{
|
||||
crc64V0 crc;
|
||||
uint32 len = record->xl_len;
|
||||
|
||||
/*
|
||||
* NB: this code is not right for V0 records containing backup blocks,
|
||||
* but for now it's only going to be applied to checkpoint records,
|
||||
* so I'm not going to worry about it...
|
||||
* but for now it's only going to be applied to checkpoint records, so
|
||||
* I'm not going to worry about it...
|
||||
*/
|
||||
INIT_CRC64V0(crc);
|
||||
COMP_CRC64V0(crc, XLogRecGetData(record), len);
|
||||
COMP_CRC64V0(crc, (char*) record + sizeof(crc64V0),
|
||||
COMP_CRC64V0(crc, (char *) record + sizeof(crc64V0),
|
||||
SizeOfXLogRecordV0 - sizeof(crc64V0));
|
||||
FIN_CRC64V0(crc);
|
||||
|
||||
if (!EQ_CRC64V0(record->xl_crc, crc))
|
||||
return false;
|
||||
|
||||
return(true);
|
||||
return (true);
|
||||
}
|
||||
|
||||
/*
|
||||
@@ -489,7 +493,7 @@ ReadRecordV0(XLogRecPtr *RecPtr, char *buffer)
|
||||
readFile = XLogFileOpen(readId, readSeg);
|
||||
if (readFile < 0)
|
||||
goto next_record_is_invalid;
|
||||
readOff = (uint32) (-1); /* force read to occur below */
|
||||
readOff = (uint32) (-1);/* force read to occur below */
|
||||
}
|
||||
|
||||
targetPageOff = ((RecPtr->xrecoff % XLogSegSize) / BLCKSZ) * BLCKSZ;
|
||||
@@ -510,10 +514,13 @@ ReadRecordV0(XLogRecPtr *RecPtr, char *buffer)
|
||||
|
||||
if (record->xl_len == 0)
|
||||
goto next_record_is_invalid;
|
||||
|
||||
/*
|
||||
* Compute total length of record including any appended backup blocks.
|
||||
* Compute total length of record including any appended backup
|
||||
* blocks.
|
||||
*/
|
||||
total_len = SizeOfXLogRecordV0 + record->xl_len;
|
||||
|
||||
/*
|
||||
* Make sure it will fit in buffer (currently, it is mechanically
|
||||
* impossible for this test to fail, but it seems like a good idea
|
||||
@@ -526,7 +533,7 @@ ReadRecordV0(XLogRecPtr *RecPtr, char *buffer)
|
||||
{
|
||||
/* Need to reassemble record */
|
||||
XLogContRecordV0 *contrecord;
|
||||
uint32 gotlen = len;
|
||||
uint32 gotlen = len;
|
||||
|
||||
memcpy(buffer, record, len);
|
||||
record = (XLogRecordV0 *) buffer;
|
||||
@@ -551,13 +558,13 @@ ReadRecordV0(XLogRecPtr *RecPtr, char *buffer)
|
||||
if (!(((XLogPageHeaderV0) readBuf)->xlp_info & XLP_FIRST_IS_CONTRECORD))
|
||||
goto next_record_is_invalid;
|
||||
contrecord = (XLogContRecordV0 *) ((char *) readBuf + SizeOfXLogPHDV0);
|
||||
if (contrecord->xl_len == 0 ||
|
||||
if (contrecord->xl_len == 0 ||
|
||||
total_len != (contrecord->xl_len + gotlen))
|
||||
goto next_record_is_invalid;
|
||||
len = BLCKSZ - SizeOfXLogPHDV0 - SizeOfXLogContRecordV0;
|
||||
if (contrecord->xl_len > len)
|
||||
{
|
||||
memcpy(buffer, (char *)contrecord + SizeOfXLogContRecordV0, len);
|
||||
memcpy(buffer, (char *) contrecord + SizeOfXLogContRecordV0, len);
|
||||
gotlen += len;
|
||||
buffer += len;
|
||||
continue;
|
||||
@@ -587,7 +594,7 @@ next_record_is_invalid:;
|
||||
* Check whether the xlog header of a page just read in looks valid.
|
||||
*
|
||||
* This is just a convenience subroutine to avoid duplicated code in
|
||||
* ReadRecord. It's not intended for use from anywhere else.
|
||||
* ReadRecord. It's not intended for use from anywhere else.
|
||||
*/
|
||||
static bool
|
||||
ValidXLOGHeaderV0(XLogPageHeaderV0 hdr)
|
||||
@@ -610,6 +617,7 @@ GuessControlValues(void)
|
||||
{
|
||||
#ifdef USE_LOCALE
|
||||
char *localeptr;
|
||||
|
||||
#endif
|
||||
|
||||
/*
|
||||
@@ -625,7 +633,7 @@ GuessControlValues(void)
|
||||
ControlFile.checkPointCopy.redo.xrecoff = SizeOfXLogPHD;
|
||||
ControlFile.checkPointCopy.undo = ControlFile.checkPointCopy.redo;
|
||||
ControlFile.checkPointCopy.ThisStartUpID = 0;
|
||||
ControlFile.checkPointCopy.nextXid = (TransactionId) 514; /* XXX */
|
||||
ControlFile.checkPointCopy.nextXid = (TransactionId) 514; /* XXX */
|
||||
ControlFile.checkPointCopy.nextOid = BootstrapObjectIdData;
|
||||
ControlFile.checkPointCopy.time = time(NULL);
|
||||
|
||||
@@ -677,7 +685,7 @@ PrintControlValues(void)
|
||||
"pg_control version number: %u\n"
|
||||
"Catalog version number: %u\n"
|
||||
"Current log file id: %u\n"
|
||||
"Next log file segment: %u\n"
|
||||
"Next log file segment: %u\n"
|
||||
"Latest checkpoint's StartUpID: %u\n"
|
||||
"Latest checkpoint's NextXID: %u\n"
|
||||
"Latest checkpoint's NextOID: %u\n"
|
||||
@@ -707,11 +715,11 @@ static void
|
||||
RewriteControlFile(void)
|
||||
{
|
||||
int fd;
|
||||
char buffer[BLCKSZ]; /* need not be aligned */
|
||||
char buffer[BLCKSZ]; /* need not be aligned */
|
||||
|
||||
/*
|
||||
* Adjust fields as needed to force an empty XLOG starting at the
|
||||
* next available segment.
|
||||
* Adjust fields as needed to force an empty XLOG starting at the next
|
||||
* available segment.
|
||||
*/
|
||||
newXlogId = ControlFile.logId;
|
||||
newXlogSeg = ControlFile.logSeg;
|
||||
@@ -734,17 +742,17 @@ RewriteControlFile(void)
|
||||
|
||||
/* Contents are protected with a CRC */
|
||||
INIT_CRC64(ControlFile.crc);
|
||||
COMP_CRC64(ControlFile.crc,
|
||||
(char*) &ControlFile + sizeof(crc64),
|
||||
COMP_CRC64(ControlFile.crc,
|
||||
(char *) &ControlFile + sizeof(crc64),
|
||||
sizeof(ControlFileData) - sizeof(crc64));
|
||||
FIN_CRC64(ControlFile.crc);
|
||||
|
||||
/*
|
||||
* We write out BLCKSZ bytes into pg_control, zero-padding the
|
||||
* excess over sizeof(ControlFileData). This reduces the odds
|
||||
* of premature-EOF errors when reading pg_control. We'll still
|
||||
* fail when we check the contents of the file, but hopefully with
|
||||
* a more specific error than "couldn't read pg_control".
|
||||
* We write out BLCKSZ bytes into pg_control, zero-padding the excess
|
||||
* over sizeof(ControlFileData). This reduces the odds of
|
||||
* premature-EOF errors when reading pg_control. We'll still fail
|
||||
* when we check the contents of the file, but hopefully with a more
|
||||
* specific error than "couldn't read pg_control".
|
||||
*/
|
||||
if (sizeof(ControlFileData) > BLCKSZ)
|
||||
{
|
||||
@@ -786,9 +794,9 @@ RewriteControlFile(void)
|
||||
static void
|
||||
KillExistingXLOG(void)
|
||||
{
|
||||
DIR *xldir;
|
||||
struct dirent *xlde;
|
||||
char path[MAXPGPATH];
|
||||
DIR *xldir;
|
||||
struct dirent *xlde;
|
||||
char path[MAXPGPATH];
|
||||
|
||||
xldir = opendir(XLogDir);
|
||||
if (xldir == NULL)
|
||||
@@ -803,7 +811,7 @@ KillExistingXLOG(void)
|
||||
if (strlen(xlde->d_name) == 16 &&
|
||||
strspn(xlde->d_name, "0123456789ABCDEF") == 16)
|
||||
{
|
||||
sprintf(path, "%s%c%s", XLogDir, SEP_CHAR, xlde->d_name);
|
||||
sprintf(path, "%s%c%s", XLogDir, SEP_CHAR, xlde->d_name);
|
||||
if (unlink(path) < 0)
|
||||
{
|
||||
perror(path);
|
||||
@@ -858,7 +866,7 @@ WriteEmptyXLOG(void)
|
||||
|
||||
INIT_CRC64(crc);
|
||||
COMP_CRC64(crc, &ControlFile.checkPointCopy, sizeof(CheckPoint));
|
||||
COMP_CRC64(crc, (char*) record + sizeof(crc64),
|
||||
COMP_CRC64(crc, (char *) record + sizeof(crc64),
|
||||
SizeOfXLogRecord - sizeof(crc64));
|
||||
FIN_CRC64(crc);
|
||||
record->xl_crc = crc;
|
||||
@@ -914,13 +922,13 @@ usage(void)
|
||||
|
||||
|
||||
int
|
||||
main(int argc, char ** argv)
|
||||
main(int argc, char **argv)
|
||||
{
|
||||
int argn;
|
||||
bool force = false;
|
||||
bool noupdate = false;
|
||||
int fd;
|
||||
char path[MAXPGPATH];
|
||||
int argn;
|
||||
bool force = false;
|
||||
bool noupdate = false;
|
||||
int fd;
|
||||
char path[MAXPGPATH];
|
||||
|
||||
for (argn = 1; argn < argc; argn++)
|
||||
{
|
||||
@@ -934,7 +942,7 @@ main(int argc, char ** argv)
|
||||
usage();
|
||||
}
|
||||
|
||||
if (argn != argc-1) /* one required non-switch argument */
|
||||
if (argn != argc - 1) /* one required non-switch argument */
|
||||
usage();
|
||||
|
||||
DataDir = argv[argn++];
|
||||
@@ -946,7 +954,8 @@ main(int argc, char ** argv)
|
||||
|
||||
/*
|
||||
* Check for a postmaster lock file --- if there is one, refuse to
|
||||
* proceed, on grounds we might be interfering with a live installation.
|
||||
* proceed, on grounds we might be interfering with a live
|
||||
* installation.
|
||||
*/
|
||||
snprintf(path, MAXPGPATH, "%s%cpostmaster.pid", DataDir, SEP_CHAR);
|
||||
|
||||
@@ -973,8 +982,8 @@ main(int argc, char ** argv)
|
||||
GuessControlValues();
|
||||
|
||||
/*
|
||||
* If we had to guess anything, and -f was not given, just print
|
||||
* the guessed values and exit. Also print if -n is given.
|
||||
* If we had to guess anything, and -f was not given, just print the
|
||||
* guessed values and exit. Also print if -n is given.
|
||||
*/
|
||||
if ((guessed && !force) || noupdate)
|
||||
{
|
||||
|
Reference in New Issue
Block a user