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mirror of https://gitlab.isc.org/isc-projects/dhcp synced 2025-09-01 14:55:30 +00:00

Merge changes between 3.0rc7 and 3.0rc8pl2.

This commit is contained in:
Ted Lemon
2001-06-27 00:31:20 +00:00
parent 07b958004f
commit d758ad8cac
99 changed files with 5909 additions and 2698 deletions

View File

@@ -3,7 +3,7 @@
Memory allocation for the DHCP server... */
/*
* Copyright (c) 1996-2000 Internet Software Consortium.
* Copyright (c) 1996-2001 Internet Software Consortium.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -43,21 +43,112 @@
#ifndef lint
static char copyright[] =
"$Id: salloc.c,v 1.3 2001/06/22 16:47:20 brister Exp $ Copyright (c) 1996-2000 The Internet Software Consortium. All rights reserved.\n";
"$Id: salloc.c,v 1.4 2001/06/27 00:31:16 mellon Exp $ Copyright (c) 1996-2001 The Internet Software Consortium. All rights reserved.\n";
#endif /* not lint */
#include "dhcpd.h"
#include <omapip/omapip_p.h>
#if defined (COMPACT_LEASES)
struct lease *free_leases;
# if defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
struct lease *lease_hunks;
void relinquish_lease_hunks ()
{
struct lease *c, *n, **p, *f;
int i;
/* Account for all the leases on the free list. */
for (n = lease_hunks; n; n = n -> next) {
for (i = 1; i < n -> starts + 1; i++) {
p = &free_leases;
for (c = free_leases; c; c = c -> next) {
if (c == &n [i]) {
*p = c -> next;
n -> ends++;
break;
}
p = &c -> next;
}
if (!c) {
log_info ("lease %s refcnt %d",
piaddr (n [i].ip_addr), n [i].refcnt);
dump_rc_history (&n [i]);
}
}
}
for (c = lease_hunks; c; c = n) {
n = c -> next;
if (c -> ends != c -> starts) {
log_info ("lease hunk %lx leases %ld free %ld",
(unsigned long)c, (unsigned long)c -> starts,
(unsigned long)c -> ends);
}
dfree (c, MDL);
}
/* Free all the rogue leases. */
for (c = free_leases; c; c = n) {
n = c -> next;
dfree (c, MDL);
}
}
#endif
struct lease *new_leases (n, file, line)
unsigned n;
const char *file;
int line;
{
struct lease *rval = dmalloc (n * sizeof (struct lease), file, line);
struct lease *rval;
#if defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
rval = dmalloc ((n + 1) * sizeof (struct lease), file, line);
memset (rval, 0, sizeof (struct lease));
rval -> starts = n;
rval -> next = lease_hunks;
lease_hunks = rval;
rval++;
#else
rval = dmalloc (n * sizeof (struct lease), file, line);
#endif
return rval;
}
/* If we are allocating leases in aggregations, there's really no way
to free one, although perhaps we can maintain a free list. */
isc_result_t dhcp_lease_free (omapi_object_t *lo,
const char *file, int line)
{
struct lease *lease;
if (lo -> type != dhcp_type_lease)
return ISC_R_INVALIDARG;
lease = (struct lease *)lo;
memset (lease, 0, sizeof (struct lease));
lease -> next = free_leases;
free_leases = lease;
return ISC_R_SUCCESS;
}
isc_result_t dhcp_lease_get (omapi_object_t **lp,
const char *file, int line)
{
struct lease **lease = (struct lease **)lp;
struct lease *lt;
if (free_leases) {
lt = free_leases;
free_leases = lt -> next;
*lease = lt;
return ISC_R_SUCCESS;
}
return ISC_R_NOMEMORY;
}
#endif /* COMPACT_LEASES */
OMAPI_OBJECT_ALLOC (lease, struct lease, dhcp_type_lease)
OMAPI_OBJECT_ALLOC (class, struct class, dhcp_type_class)
OMAPI_OBJECT_ALLOC (subclass, struct class, dhcp_type_subclass)
@@ -140,6 +231,20 @@ void free_lease_state (ptr, file, line)
dmalloc_reuse (free_lease_states, (char *)0, 0, 0);
}
#if defined (DEBUG_MEMORY_LEAKAGE) || \
defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
void relinquish_free_lease_states ()
{
struct lease_state *cs, *ns;
for (cs = free_lease_states; cs; cs = ns) {
ns = cs -> next;
dfree (cs, MDL);
}
free_lease_states = (struct lease_state *)0;
}
#endif
struct permit *new_permit (file, line)
const char *file;
int line;
@@ -157,5 +262,7 @@ void free_permit (permit, file, line)
const char *file;
int line;
{
if (permit -> type == permit_class)
class_dereference (&permit -> class, MDL);
dfree (permit, file, line);
}