mir/isc-dhcp
2
0
Fork 0
mirror of https://gitlab.isc.org/isc-projects/dhcp synced 2025-08-29 13:28:14 +00:00
Code Issues Releases Wiki Activity

- Whenever we are connected, send updates.

Browse Source 
- Correctly handle an immediate peer transition to partner-down when we come
  up in normal.
- Change 'peer_name' attribute of failover-state object to just 'name'.
This commit is contained in:
Ted Lemon 2001-05-03 18:31:28 +00:00
parent 9cd0871cc3
commit 01c6e68ac8
1 changed files with 23 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
server/failover.c
View File

@ -43,7 +43,7 @@
#ifndef lint
static char copyright[] =
"$Id: failover.c,v 1.52 2001/05/01 23:12:06 mellon Exp $ Copyright (c) 1999-2001 The Internet Software Consortium. All rights reserved.\n";
"$Id: failover.c,v 1.53 2001/05/03 18:31:28 mellon Exp $ Copyright (c) 1999-2001 The Internet Software Consortium. All rights reserved.\n";
#endif /* not lint */
#include "dhcpd.h"
@ -306,12 +306,9 @@ isc_result_t dhcp_failover_link_signal (omapi_object_t *h,
/* Make the transition. */
if (state -> link_to_peer == link) {
dhcp_failover_state_transition (link -> state_object,
name);
}
dhcp_failover_state_transition (link -> state_object,
name);
if (state -> link_to_peer == link ||
!state -> link_to_peer) {
/* Start trying to reconnect. */
add_timeout (cur_time + 5, dhcp_failover_reconnect,
state,
@ -1656,6 +1653,11 @@ isc_result_t dhcp_failover_set_state (dhcp_failover_state_t *state,
omapi_object_dereference);
break;
case recover:
if (state -> link_to_peer)
dhcp_failover_send_update_request_all (state);
break;
default:
break;
}
@ -1730,9 +1732,16 @@ isc_result_t dhcp_failover_peer_state_changed (dhcp_failover_state_t *state,
case communications_interrupted:
break;
case partner_down:
if (state -> me.state == startup)
dhcp_failover_set_state (state, recover);
else
dhcp_failover_set_state (state,
potential_conflict);
break;
case potential_conflict:
case resolution_interrupted:
case partner_down:
/* None of these transitions should ever occur. */
dhcp_failover_set_state (state, shut_down);
break;
@ -1769,7 +1778,11 @@ isc_result_t dhcp_failover_peer_state_changed (dhcp_failover_state_t *state,
case recover:
log_info ("failover peer %s: requesting %s",
state -> name, "full update from peer");
dhcp_failover_send_update_request_all (state);
/* Don't send updreqall if we're really in the
startup state, because that will result in two
being sent. */
if (state -> me.state == recover)
dhcp_failover_send_update_request_all (state);
break;
case potential_conflict:
@ -2129,9 +2142,7 @@ isc_result_t dhcp_failover_send_updates (dhcp_failover_state_t *state)
isc_result_t status;
/* Can't update peer if we're not talking to it! */
if (state -> me.state != normal &&
state -> me.state != recover &&
state -> me.state != potential_conflict)
if (!state -> link_to_peer)
return ISC_R_SUCCESS;
while ((state -> partner.max_flying_updates >
@ -2370,8 +2381,6 @@ isc_result_t dhcp_failover_state_set_value (omapi_object_t *h,
if (!omapi_ds_strcmp (name, "name")) {
return ISC_R_SUCCESS;
} else if (!omapi_ds_strcmp (name, "peer_name")) {
return ISC_R_SUCCESS;
} else if (!omapi_ds_strcmp (name, "partner-address")) {
return ISC_R_SUCCESS;
} else if (!omapi_ds_strcmp (name, "local-address")) {
@ -2855,7 +2864,7 @@ isc_result_t dhcp_failover_state_lookup (omapi_object_t **sp,
}
/* Look the failover state up by peer name. */
status = omapi_get_value_str (ref, id, "peer_name", &tv);
status = omapi_get_value_str (ref, id, "name", &tv);
if (status == ISC_R_SUCCESS) {
for (s = failover_states; s; s = s -> next) {
unsigned l = strlen (s -> name);