intgen_t
put_invtrecord( int fd, void *buf, size_t bufsz, off64_t off,
int whence, bool_t dolock )
{
int nwritten;
if ( dolock )
INVLOCK( fd, LOCK_EX );
if ( lseek( fd, (off_t)off, whence ) < 0 ) {
INV_PERROR( "Error in writing inventory record "
"(lseek failed): " );
if ( dolock )
INVLOCK( fd, LOCK_UN );
return -1;
}
if (( nwritten = write( fd, buf, bufsz ) ) != (int) bufsz ) {
INV_PERROR( "Error in writing inventory record :" );
if ( dolock )
INVLOCK( fd, LOCK_UN );
return -1;
}
if ( dolock )
INVLOCK( fd, LOCK_UN );
return nwritten;
}
intgen_t
get_invtrecord( int fd, void *buf, size_t bufsz, off64_t off,
int whence, bool_t dolock )
{
int nread;
ASSERT ( fd >= 0 );
if ( dolock )
INVLOCK( fd, LOCK_SH );
if ( lseek( fd, (off_t)off, whence ) < 0 ) {
INV_PERROR( "Error in reading inventory record "
"(lseek failed): " );
if ( dolock )
INVLOCK( fd, LOCK_UN );
return -1;
}
nread = read( fd, buf, bufsz );
if ( nread != (int) bufsz ) {
INV_PERROR( "Error in reading inventory record :" );
if ( dolock )
INVLOCK( fd, LOCK_UN );
return -1;
}
if ( dolock )
INVLOCK( fd, LOCK_UN );
return nread;
}
intgen_t
get_headerinfo( int fd, void **hdrs, void **cnt,
size_t hdrsz, size_t cntsz, bool_t dolock )
{
int num;
/* get a lock on the table for reading */
if ( dolock ) INVLOCK( fd, LOCK_SH );
num = get_counters( fd, cnt, cntsz );
/* If there are no sessions recorded yet, we're done too */
if ( num > 0 ) {
if ( get_headers( fd, hdrs, hdrsz * (size_t)num, cntsz ) < 0 ) {
free ( *cnt );
num = -1;
}
}
if ( dolock ) INVLOCK( fd, LOCK_UN );
return num;
}
/* NOTE: this doesnt update counters or headers in the inv_index */
int
stobj_create( char *fname )
{
int fd;
invt_sescounter_t sescnt;
inv_oflag_t forwhat = INV_SEARCH_N_MOD;
#ifdef INVT_DEBUG
mlog( MLOG_VERBOSE | MLOG_INV, "INV: creating storage obj %s\n", fname);
#endif
/* create the new storage object */
if (( fd = open( fname, INV_OFLAG(forwhat) | O_EXCL | O_CREAT, S_IRUSR|S_IWUSR )) < 0 ) {
INV_PERROR ( fname );
memset( fname, 0, INV_STRLEN );
return -1;
}
INVLOCK( fd, LOCK_EX );
fchmod( fd, INV_PERMS );
sescnt.ic_vernum = INV_VERSION;
sescnt.ic_curnum = 0; /* there are no sessions as yet */
sescnt.ic_maxnum = INVT_STOBJ_MAXSESSIONS;
sescnt.ic_eof = SC_EOF_INITIAL_POS;
if ( PUT_SESCOUNTERS ( fd, &sescnt ) < 0 ) {
memset( fname, 0, INV_STRLEN );
INVLOCK( fd, LOCK_UN );
close( fd );
return -1;
}
INVLOCK( fd, LOCK_UN );
return fd;
}
/*----------------------------------------------------------------------*/
intgen_t
stobj_insert_session( invt_idxinfo_t *idx,
int fd, /* kept locked EX by caller */
invt_sessinfo_t *s )
{
invt_sescounter_t *sescnt = NULL;
if ( GET_SESCOUNTERS( fd, &sescnt ) < 0 ) {
INVLOCK( fd, LOCK_UN );
return -1;
}
/* Check the existing sessions to make sure that we're not
duplicating this session */
if ( sescnt->ic_curnum > 0 ) {
u_int i;
invt_session_t *sessions = calloc( sescnt->ic_curnum,
sizeof( invt_session_t ) );
if ( GET_REC_NOLOCK( fd, sessions, sescnt->ic_curnum *
sizeof( invt_session_t ),
(off64_t) ( sizeof( *sescnt ) +
sescnt->ic_maxnum * sizeof( invt_seshdr_t ))) < 0 ) {
free ( sescnt );
free ( sessions );
return -1;
}
for( i = 0; i < sescnt->ic_curnum; i++ ) {
if ( uuid_compare( sessions[i].s_sesid,
s->ses->s_sesid ) == 0 )
break;
}
free ( sessions );
if ( i < sescnt->ic_curnum ) {
mlog( MLOG_DEBUG | MLOG_INV,
"INV: attempt to insert an "
"existing session.\n"
);
free ( sescnt );
return 1;
}
}
if ( sescnt->ic_curnum >= sescnt->ic_maxnum ) {
if ( stobj_split( idx, fd, sescnt, s ) < 0 ) {
free( sescnt );
return -1;
}
free( sescnt );
return 1;
}
if ( stobj_put_session( fd, sescnt, s->ses, s->seshdr, s->strms,
s->mfiles ) < 0 ){
free ( sescnt);
return -1;
}
free ( sescnt);
return 1;
}
