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/** \ingroup rpmdb
* \file lib/dbconfig.c
*/
#include "system.h"
#include <popt.h>
#include <rpm/rpmtypes.h>
#include <rpm/rpmmacro.h>
#include <rpm/rpmstring.h>
#include <rpm/rpmlog.h>
#include <rpm/argv.h>
#include "lib/rpmdb_internal.h"
#include "debug.h"
static struct dbiIndex_s staticdbi;
static struct dbConfig_s staticcfg;
static int db_eflags;
/** \ingroup dbi
*/
static const struct poptOption rdbOptions[] = {
/* Environment options */
{ "cdb", 0,POPT_BIT_SET, &db_eflags, DB_INIT_CDB,
NULL, NULL },
{ "lock", 0,POPT_BIT_SET, &db_eflags, DB_INIT_LOCK,
NULL, NULL },
{ "log", 0,POPT_BIT_SET, &db_eflags, DB_INIT_LOG,
NULL, NULL },
{ "txn", 0,POPT_BIT_SET, &db_eflags, DB_INIT_TXN,
NULL, NULL },
{ "recover", 0,POPT_BIT_SET, &db_eflags, DB_RECOVER,
NULL, NULL },
{ "recover_fatal", 0,POPT_BIT_SET, &db_eflags, DB_RECOVER_FATAL,
NULL, NULL },
{ "lockdown", 0,POPT_BIT_SET, &db_eflags, DB_LOCKDOWN,
NULL, NULL },
{ "private", 0,POPT_BIT_SET, &db_eflags, DB_PRIVATE,
NULL, NULL },
{ "deadlock", 0,POPT_BIT_SET, &staticcfg.db_verbose, DB_VERB_DEADLOCK,
NULL, NULL },
{ "recovery", 0,POPT_BIT_SET, &staticcfg.db_verbose, DB_VERB_RECOVERY,
NULL, NULL },
{ "waitsfor", 0,POPT_BIT_SET, &staticcfg.db_verbose, DB_VERB_WAITSFOR,
NULL, NULL },
{ "verbose", 0,POPT_ARG_VAL, &staticcfg.db_verbose, -1,
NULL, NULL },
{ "cachesize", 0,POPT_ARG_INT, &staticcfg.db_cachesize, 0,
NULL, NULL },
{ "mmapsize", 0,POPT_ARG_INT, &staticcfg.db_mmapsize, 0,
NULL, NULL },
{ "mp_mmapsize", 0,POPT_ARG_INT, &staticcfg.db_mmapsize, 0,
NULL, NULL },
{ "mp_size", 0,POPT_ARG_INT, &staticcfg.db_cachesize, 0,
NULL, NULL },
{ "nofsync", 0,POPT_ARG_NONE, &staticcfg.db_no_fsync, 0,
NULL, NULL },
/* Per-dbi options */
{ "nommap", 0,POPT_BIT_SET, &staticdbi.dbi_oflags, DB_NOMMAP,
NULL, NULL },
{ "nodbsync", 0,POPT_ARG_NONE, &staticdbi.dbi_no_dbsync, 0,
NULL, NULL },
{ "lockdbfd", 0,POPT_ARG_NONE, &staticdbi.dbi_lockdbfd, 0,
NULL, NULL },
POPT_TABLEEND
};
dbiIndex dbiFree(dbiIndex dbi)
{
if (dbi) {
free(dbi);
}
return NULL;
}
dbiIndex dbiNew(rpmdb rdb, rpmDbiTagVal rpmtag)
{
dbiIndex dbi = xcalloc(1, sizeof(*dbi));
char *dbOpts;
dbOpts = rpmExpand("%{_dbi_config_", rpmTagGetName(rpmtag), "}", NULL);
if (!(dbOpts && *dbOpts && *dbOpts != '%')) {
dbOpts = _free(dbOpts);
dbOpts = rpmExpand("%{_dbi_config}", NULL);
if (!(dbOpts && *dbOpts && *dbOpts != '%')) {
dbOpts = _free(dbOpts);
}
}
/* Parse the options for the database element(s). */
if (dbOpts && *dbOpts && *dbOpts != '%') {
char *o, *oe;
char *p, *pe;
memset(&staticdbi, 0, sizeof(staticdbi));
/*=========*/
for (o = dbOpts; o && *o; o = oe) {
const struct poptOption *opt;
const char * tok;
unsigned int argInfo;
/* Skip leading white space. */
while (*o && risspace(*o))
o++;
/* Find and terminate next key=value pair. Save next start point. */
for (oe = o; oe && *oe; oe++) {
if (risspace(*oe))
break;
if (oe[0] == ':' && !(oe[1] == '/' && oe[2] == '/'))
break;
}
if (oe && *oe)
*oe++ = '\0';
if (*o == '\0')
continue;
/* Separate key from value, save value start (if any). */
for (pe = o; pe && *pe && *pe != '='; pe++)
{};
p = (pe ? *pe++ = '\0', pe : NULL);
/* Skip over negation at start of token. */
for (tok = o; *tok == '!'; tok++)
{};
/* Find key in option table. */
for (opt = rdbOptions; opt->longName != NULL; opt++) {
if (!rstreq(tok, opt->longName))
continue;
break;
}
if (opt->longName == NULL) {
rpmlog(RPMLOG_ERR,
_("unrecognized db option: \"%s\" ignored.\n"), o);
continue;
}
/* Toggle the flags for negated tokens, if necessary. */
argInfo = opt->argInfo;
if (argInfo == POPT_BIT_SET && *o == '!' && ((tok - o) % 2))
argInfo = POPT_BIT_CLR;
/* Save value in template as appropriate. */
switch (argInfo & POPT_ARG_MASK) {
case POPT_ARG_NONE:
(void) poptSaveInt((int *)opt->arg, argInfo, 1L);
break;
case POPT_ARG_VAL:
(void) poptSaveInt((int *)opt->arg, argInfo, (long)opt->val);
break;
case POPT_ARG_STRING:
{ char ** t = opt->arg;
if (t) {
/* FIX: opt->arg annotation in popt.h */
*t = _free(*t);
*t = xstrdup( (p ? p : "") );
}
} break;
case POPT_ARG_INT:
case POPT_ARG_LONG:
{ long aLong = strtol(p, &pe, 0);
if (pe) {
if (!rstrncasecmp(pe, "Mb", 2))
aLong *= 1024 * 1024;
else if (!rstrncasecmp(pe, "Kb", 2))
aLong *= 1024;
else if (*pe != '\0') {
rpmlog(RPMLOG_ERR,
_("%s has invalid numeric value, skipped\n"),
opt->longName);
continue;
}
}
if ((argInfo & POPT_ARG_MASK) == POPT_ARG_LONG) {
if (aLong == LONG_MIN || aLong == LONG_MAX) {
rpmlog(RPMLOG_ERR,
_("%s has too large or too small long value, skipped\n"),
opt->longName);
continue;
}
(void) poptSaveLong((long *)opt->arg, argInfo, aLong);
break;
} else {
if (aLong > INT_MAX || aLong < INT_MIN) {
rpmlog(RPMLOG_ERR,
_("%s has too large or too small integer value, skipped\n"),
opt->longName);
continue;
}
(void) poptSaveInt((int *)opt->arg, argInfo, aLong);
}
} break;
default:
break;
}
}
/*=========*/
}
dbOpts = _free(dbOpts);
*dbi = staticdbi; /* structure assignment */
memset(&staticdbi, 0, sizeof(staticdbi));
/* FIX: figger lib/dbi refcounts */
dbi->dbi_rpmdb = rdb;
dbi->dbi_file = rpmTagGetName(rpmtag);
dbi->dbi_type = (rpmtag == RPMDBI_PACKAGES) ? DBI_PRIMARY : DBI_SECONDARY;
dbi->dbi_byteswapped = -1; /* -1 unknown, 0 native order, 1 alien order */
/* XXX FIXME: Get environment configuration out of here! */
if (rdb->db_dbenv == NULL) {
struct dbConfig_s * cfg = &rdb->cfg;
*cfg = staticcfg; /* structure assignment */
/* Throw in some defaults if configuration didn't set any */
if (!cfg->db_mmapsize) cfg->db_mmapsize = 16 * 1024 * 1024;
if (!cfg->db_cachesize) cfg->db_cachesize = 8 * 1024 * 1024;
}
/* FIX: *(rdbOptions->arg) reachable */
return dbi;
}
char * prDbiOpenFlags(int dbflags, int print_dbenv_flags)
{
ARGV_t flags = NULL;
const struct poptOption *opt;
char *buf;
for (opt = rdbOptions; opt->longName != NULL; opt++) {
if (opt->argInfo != POPT_BIT_SET)
continue;
if (print_dbenv_flags) {
if (!(opt->arg == &db_eflags))
continue;
} else {
if (!(opt->arg == &staticdbi.dbi_oflags))
continue;
}
if ((dbflags & opt->val) != opt->val)
continue;
argvAdd(&flags, opt->longName);
dbflags &= ~opt->val;
}
if (dbflags) {
char *df = NULL;
rasprintf(&df, "0x%x", (unsigned)dbflags);
argvAdd(&flags, df);
free(df);
}
buf = argvJoin(flags, ":");
argvFree(flags);
return buf ? buf : xstrdup("(none)");
}
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