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Changed supersede_lease() to return 1, even if the commit option is

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not specified.  (Before, it would always return 0 if commit was not
given.)  Fixed up the one call to supersede_lease() which expected
the old behavior.

Added a check to supersede_lease() to return an error if the pimmediate
flag is given, and commit is not.  (You should never be sending information
on an uncommitted lease to a peer.)

Separated the failover queue update (the propogate flag) test from
the commit test in supersede_lease(), so that you can now enqueue an
update on an uncommitted lease.
This commit is contained in:
Damien Neil
2001-02-15 21:34:08 +00:00
parent f7dca4c7b3
commit 15c24b882b
2 changed files with 25 additions and 11 deletions
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29
server/mdb.c
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@@ -43,7 +43,7 @@
#ifndef lint
static char copyright[] =
"$Id: mdb.c,v 1.52 2001/02/12 21:09:21 mellon Exp $ Copyright (c) 1996-2000 The Internet Software Consortium. All rights reserved.\n";
"$Id: mdb.c,v 1.53 2001/02/15 21:34:07 neild Exp $ Copyright (c) 1996-2000 The Internet Software Consortium. All rights reserved.\n";
#endif /* not lint */
#include "dhcpd.h"
@@ -775,6 +775,14 @@ int supersede_lease (comp, lease, commit, propogate, pimmediate)
struct lease *lp, **lq, *prev;
TIME lp_next_state;
#if defined (FAILOVER_PROTOCOL)
/* We must commit leases before sending updates regarding them
to failover peers. It is, therefore, an error to set pimmediate
and not commit. */
if (pimmediate && !commit)
return 0;
#endif
/* If there is no sample lease, just do the move. */
if (!lease)
goto just_move_it;
@@ -1047,14 +1055,21 @@ int supersede_lease (comp, lease, commit, propogate, pimmediate)
(tvunref_t)pool_dereference);
}
/* Return zero if we didn't commit the lease to permanent storage;
nonzero if we did. */
return commit && write_lease (comp) && commit_leases ()
if (commit) {
if (!write_lease (comp))
return 0;
if (!commit_leases ())
return 0;
}
#if defined (FAILOVER_PROTOCOL)
&& (!propogate ||
dhcp_failover_queue_update (comp, pimmediate))
if (propogate) {
if (!dhcp_failover_queue_update (comp, pimmediate))
return 0;
}
#endif
;
return 1;
}
void process_state_transition (struct lease *lease)