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Diffstat (limited to 'db2/log/log_archive.c')
-rw-r--r--db2/log/log_archive.c417
1 files changed, 0 insertions, 417 deletions
diff --git a/db2/log/log_archive.c b/db2/log/log_archive.c
deleted file mode 100644
index 9f3b24d8e3..0000000000
--- a/db2/log/log_archive.c
+++ /dev/null
@@ -1,417 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1997, 1998
- * Sleepycat Software. All rights reserved.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)log_archive.c 10.44 (Sleepycat) 10/9/98";
-#endif /* not lint */
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <sys/types.h>
-
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#endif
-
-#include "db_int.h"
-#include "db_dispatch.h"
-#include "shqueue.h"
-#include "log.h"
-#include "common_ext.h"
-#include "clib_ext.h" /* XXX: needed for getcwd. */
-
-static int __absname __P((char *, char *, char **));
-static int __build_data __P((DB_LOG *, char *, char ***, void *(*)(size_t)));
-static int __cmpfunc __P((const void *, const void *));
-static int __usermem __P((char ***, void *(*)(size_t)));
-
-/*
- * log_archive --
- * Supporting function for db_archive(1).
- */
-int
-log_archive(dblp, listp, flags, db_malloc)
- DB_LOG *dblp;
- char ***listp;
- u_int32_t flags;
- void *(*db_malloc) __P((size_t));
-{
- DBT rec;
- DB_LSN stable_lsn;
- u_int32_t fnum;
- int array_size, n, ret;
- char **array, **arrayp, *name, *p, *pref, buf[MAXPATHLEN];
-
- name = NULL;
- COMPQUIET(fnum, 0);
-
- LOG_PANIC_CHECK(dblp);
-
-#define OKFLAGS (DB_ARCH_ABS | DB_ARCH_DATA | DB_ARCH_LOG)
- if (flags != 0) {
- if ((ret =
- __db_fchk(dblp->dbenv, "log_archive", flags, OKFLAGS)) != 0)
- return (ret);
- if ((ret =
- __db_fcchk(dblp->dbenv,
- "log_archive", flags, DB_ARCH_DATA, DB_ARCH_LOG)) != 0)
- return (ret);
- }
-
- /*
- * Get the absolute pathname of the current directory. It would
- * be nice to get the shortest pathname of the database directory,
- * but that's just not possible.
- */
- if (LF_ISSET(DB_ARCH_ABS)) {
- errno = 0;
- if ((pref = getcwd(buf, sizeof(buf))) == NULL)
- return (errno == 0 ? ENOMEM : errno);
- } else
- pref = NULL;
-
- switch (LF_ISSET(~DB_ARCH_ABS)) {
- case DB_ARCH_DATA:
- return (__build_data(dblp, pref, listp, db_malloc));
- case DB_ARCH_LOG:
- memset(&rec, 0, sizeof(rec));
- if (F_ISSET(dblp, DB_AM_THREAD))
- F_SET(&rec, DB_DBT_MALLOC);
- if ((ret = log_get(dblp, &stable_lsn, &rec, DB_LAST)) != 0)
- return (ret);
- if (F_ISSET(dblp, DB_AM_THREAD))
- __os_free(rec.data, rec.size);
- fnum = stable_lsn.file;
- break;
- case 0:
- if ((ret = __log_findckp(dblp, &stable_lsn)) != 0) {
- /*
- * A return of DB_NOTFOUND means that we didn't find
- * any records in the log (so we are not going to be
- * deleting any log files).
- */
- if (ret != DB_NOTFOUND)
- return (ret);
- *listp = NULL;
- return (0);
- }
- /* Remove any log files before the last stable LSN. */
- fnum = stable_lsn.file - 1;
- break;
- }
-
-#define LIST_INCREMENT 64
- /* Get some initial space. */
- array_size = 10;
- if ((ret = __os_malloc(sizeof(char *) * array_size, NULL, &array)) != 0)
- return (ret);
- array[0] = NULL;
-
- /* Build an array of the file names. */
- for (n = 0; fnum > 0; --fnum) {
- if ((ret = __log_name(dblp, fnum, &name, NULL, 0)) != 0)
- goto err;
- if (__os_exists(name, NULL) != 0) {
- __os_freestr(name);
- name = NULL;
- break;
- }
-
- if (n >= array_size - 1) {
- array_size += LIST_INCREMENT;
- if ((ret = __os_realloc(&array,
- sizeof(char *) * array_size)) != 0)
- goto err;
- }
-
- if (LF_ISSET(DB_ARCH_ABS)) {
- if ((ret = __absname(pref, name, &array[n])) != 0)
- goto err;
- __os_freestr(name);
- } else if ((p = __db_rpath(name)) != NULL) {
- if ((ret = __os_strdup(p + 1, &array[n])) != 0)
- goto err;
- __os_freestr(name);
- } else
- array[n] = name;
-
- name = NULL;
- array[++n] = NULL;
- }
-
- /* If there's nothing to return, we're done. */
- if (n == 0) {
- *listp = NULL;
- ret = 0;
- goto err;
- }
-
- /* Sort the list. */
- qsort(array, (size_t)n, sizeof(char *), __cmpfunc);
-
- /* Rework the memory. */
- if ((ret = __usermem(&array, db_malloc)) != 0)
- goto err;
-
- *listp = array;
- return (0);
-
-err: if (array != NULL) {
- for (arrayp = array; *arrayp != NULL; ++arrayp)
- __os_freestr(*arrayp);
- __os_free(array, sizeof(char *) * array_size);
- }
- if (name != NULL)
- __os_freestr(name);
- return (ret);
-}
-
-/*
- * __build_data --
- * Build a list of datafiles for return.
- */
-static int
-__build_data(dblp, pref, listp, db_malloc)
- DB_LOG *dblp;
- char *pref, ***listp;
- void *(*db_malloc) __P((size_t));
-{
- DBT rec;
- DB_LSN lsn;
- __log_register_args *argp;
- u_int32_t rectype;
- int array_size, last, n, nxt, ret;
- char **array, **arrayp, *p, *real_name;
-
- /* Get some initial space. */
- array_size = 10;
- if ((ret = __os_malloc(sizeof(char *) * array_size, NULL, &array)) != 0)
- return (ret);
- array[0] = NULL;
-
- memset(&rec, 0, sizeof(rec));
- if (F_ISSET(dblp, DB_AM_THREAD))
- F_SET(&rec, DB_DBT_MALLOC);
- for (n = 0, ret = log_get(dblp, &lsn, &rec, DB_FIRST);
- ret == 0; ret = log_get(dblp, &lsn, &rec, DB_NEXT)) {
- if (rec.size < sizeof(rectype)) {
- ret = EINVAL;
- __db_err(dblp->dbenv, "log_archive: bad log record");
- goto lg_free;
- }
-
- memcpy(&rectype, rec.data, sizeof(rectype));
- if (rectype != DB_log_register) {
- if (F_ISSET(dblp, DB_AM_THREAD)) {
- __os_free(rec.data, rec.size);
- rec.data = NULL;
- }
- continue;
- }
- if ((ret = __log_register_read(rec.data, &argp)) != 0) {
- ret = EINVAL;
- __db_err(dblp->dbenv,
- "log_archive: unable to read log record");
- goto lg_free;
- }
-
- if (n >= array_size - 1) {
- array_size += LIST_INCREMENT;
- if ((ret = __os_realloc(&array,
- sizeof(char *) * array_size)) != 0)
- goto lg_free;
- }
-
- if ((ret = __os_strdup(argp->name.data, &array[n])) != 0) {
-lg_free: if (F_ISSET(&rec, DB_DBT_MALLOC) && rec.data != NULL)
- __os_free(rec.data, rec.size);
- goto err1;
- }
-
- array[++n] = NULL;
- __os_free(argp, 0);
-
- if (F_ISSET(dblp, DB_AM_THREAD)) {
- __os_free(rec.data, rec.size);
- rec.data = NULL;
- }
- }
-
- /* If there's nothing to return, we're done. */
- if (n == 0) {
- ret = 0;
- *listp = NULL;
- goto err1;
- }
-
- /* Sort the list. */
- qsort(array, (size_t)n, sizeof(char *), __cmpfunc);
-
- /*
- * Build the real pathnames, discarding nonexistent files and
- * duplicates.
- */
- for (last = nxt = 0; nxt < n;) {
- /*
- * Discard duplicates. Last is the next slot we're going
- * to return to the user, nxt is the next slot that we're
- * going to consider.
- */
- if (last != nxt) {
- array[last] = array[nxt];
- array[nxt] = NULL;
- }
- for (++nxt; nxt < n &&
- strcmp(array[last], array[nxt]) == 0; ++nxt) {
- __os_freestr(array[nxt]);
- array[nxt] = NULL;
- }
-
- /* Get the real name. */
- if ((ret = __db_appname(dblp->dbenv,
- DB_APP_DATA, NULL, array[last], 0, NULL, &real_name)) != 0)
- goto err2;
-
- /* If the file doesn't exist, ignore it. */
- if (__os_exists(real_name, NULL) != 0) {
- __os_freestr(real_name);
- __os_freestr(array[last]);
- array[last] = NULL;
- continue;
- }
-
- /* Rework the name as requested by the user. */
- __os_freestr(array[last]);
- array[last] = NULL;
- if (pref != NULL) {
- ret = __absname(pref, real_name, &array[last]);
- __os_freestr(real_name);
- if (ret != 0)
- goto err2;
- } else if ((p = __db_rpath(real_name)) != NULL) {
- ret = __os_strdup(p + 1, &array[last]);
- __os_freestr(real_name);
- if (ret != 0)
- goto err2;
- } else
- array[last] = real_name;
- ++last;
- }
-
- /* NULL-terminate the list. */
- array[last] = NULL;
-
- /* Rework the memory. */
- if ((ret = __usermem(&array, db_malloc)) != 0)
- goto err1;
-
- *listp = array;
- return (0);
-
-err2: /*
- * XXX
- * We've possibly inserted NULLs into the array list, so clean up a
- * bit so that the other error processing works.
- */
- if (array != NULL)
- for (; nxt < n; ++nxt)
- __os_freestr(array[nxt]);
- /* FALLTHROUGH */
-
-err1: if (array != NULL) {
- for (arrayp = array; *arrayp != NULL; ++arrayp)
- __os_freestr(*arrayp);
- __os_free(array, array_size * sizeof(char *));
- }
- return (ret);
-}
-
-/*
- * __absname --
- * Return an absolute path name for the file.
- */
-static int
-__absname(pref, name, newnamep)
- char *pref, *name, **newnamep;
-{
- size_t l_pref, l_name;
- int isabspath, ret;
- char *newname;
-
- l_name = strlen(name);
- isabspath = __os_abspath(name);
- l_pref = isabspath ? 0 : strlen(pref);
-
- /* Malloc space for concatenating the two. */
- if ((ret = __os_malloc(l_pref + l_name + 2, NULL, &newname)) != 0)
- return (ret);
- *newnamep = newname;
-
- /* Build the name. If `name' is an absolute path, ignore any prefix. */
- if (!isabspath) {
- memcpy(newname, pref, l_pref);
- if (strchr(PATH_SEPARATOR, newname[l_pref - 1]) == NULL)
- newname[l_pref++] = PATH_SEPARATOR[0];
- }
- memcpy(newname + l_pref, name, l_name + 1);
-
- return (0);
-}
-
-/*
- * __usermem --
- * Create a single chunk of memory that holds the returned information.
- * If the user has their own malloc routine, use it.
- */
-static int
-__usermem(listp, db_malloc)
- char ***listp;
- void *(*db_malloc) __P((size_t));
-{
- size_t len;
- int ret;
- char **array, **arrayp, **orig, *strp;
-
- /* Find out how much space we need. */
- for (len = 0, orig = *listp; *orig != NULL; ++orig)
- len += sizeof(char *) + strlen(*orig) + 1;
- len += sizeof(char *);
-
- /* Allocate it and set up the pointers. */
- if ((ret = __os_malloc(len, db_malloc, &array)) != 0)
- return (ret);
-
- strp = (char *)(array + (orig - *listp) + 1);
-
- /* Copy the original information into the new memory. */
- for (orig = *listp, arrayp = array; *orig != NULL; ++orig, ++arrayp) {
- len = strlen(*orig);
- memcpy(strp, *orig, len + 1);
- *arrayp = strp;
- strp += len + 1;
-
- __os_freestr(*orig);
- }
-
- /* NULL-terminate the list. */
- *arrayp = NULL;
-
- __os_free(*listp, 0);
- *listp = array;
-
- return (0);
-}
-
-static int
-__cmpfunc(p1, p2)
- const void *p1, *p2;
-{
- return (strcmp(*((char * const *)p1), *((char * const *)p2)));
-}