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Intelligent reconfiguration should work again.

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This commit is contained in:
Ondrej Filip 2005-02-20 16:54:09 +00:00
parent dafaef9ba9
commit 52d61a8498
1 changed files with 111 additions and 67 deletions
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178
proto/ospf/ospf.c
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@ -147,7 +147,14 @@ ospf_start(struct proto *p)
oa->po = po; oa->po = po;
add_area_nets(oa, ac); add_area_nets(oa, ac);
fib_init(&oa->rtr, p->pool, sizeof(ort), 16, ospf_rt_initort); fib_init(&oa->rtr, p->pool, sizeof(ort), 16, ospf_rt_initort);
if (oa->areaid == 0) po->backbone = oa;
if (oa->areaid == 0)
{
po->backbone = oa;
if (oa->stub) log(L_ERR "Backbone cannot be stub. Ignoring!");
oa->stub = 0;
}
oa->opt.byte = 0; oa->opt.byte = 0;
if(!oa->stub) oa->opt.bit.e = 1; if(!oa->stub) oa->opt.bit.e = 1;
} }
@ -543,7 +550,7 @@ ospf_get_attr(eattr * a, byte * buf)
static int static int
ospf_patt_compare(struct ospf_iface_patt *a, struct ospf_iface_patt *b) ospf_patt_compare(struct ospf_iface_patt *a, struct ospf_iface_patt *b)
{ {
return ((a->type == b->type) && (a->priority == b->priority)); return (a->type == b->type);
} }
/** /**
@ -561,170 +568,207 @@ ospf_reconfigure(struct proto *p, struct proto_config *c)
{ {
struct ospf_config *old = (struct ospf_config *) (p->cf); struct ospf_config *old = (struct ospf_config *) (p->cf);
struct ospf_config *new = (struct ospf_config *) c; struct ospf_config *new = (struct ospf_config *) c;
struct ospf_area_config *ac1, *ac2; struct ospf_area_config *oldac, *newac;
struct proto_ospf *po = (struct proto_ospf *) p; struct proto_ospf *po = (struct proto_ospf *) p;
struct ospf_iface_patt *ip1, *ip2; struct ospf_iface_patt *oldip, *newip;
struct ospf_iface *ifa; struct ospf_iface *ifa;
struct nbma_node *nb1, *nb2, *nbnx; struct nbma_node *nb1, *nb2, *nbnx;
struct ospf_area *oa = NULL; struct ospf_area *oa = NULL;
struct area_net *anet, *antmp; struct area_net *anet, *antmp;
int found; int found, olddead, newdead;
struct net_fib *nf;
struct area_net_config *anc;
struct area_net *an;
/* FIXME Temporarily disabled */ //return !memcmp(((byte *) old) + sizeof(struct proto_config),
// ((byte *) new) + sizeof(struct proto_config),
return !memcmp(((byte *) old) + sizeof(struct proto_config), // sizeof(struct ospf_config) - sizeof(struct proto_config));
((byte *) new) + sizeof(struct proto_config),
sizeof(struct ospf_config) - sizeof(struct proto_config));
po->rfc1583 = new->rfc1583; po->rfc1583 = new->rfc1583;
schedule_rtcalc(po); schedule_rtcalc(po);
ac1 = HEAD(old->area_list); po->tick = new->tick;
ac2 = HEAD(new->area_list); po->disp_timer->recurrent = po->tick;
tm_start(po->disp_timer, 1);
/* I should get it in same order */ oldac = HEAD(old->area_list);
newac = HEAD(new->area_list);
while (((NODE(ac1))->next != NULL) && ((NODE(ac2))->next != NULL)) /* I should get it in the same order */
while (((NODE(oldac))->next != NULL) && ((NODE(newac))->next != NULL))
{ {
if (ac1->areaid != ac2->areaid) if (oldac->areaid != newac->areaid)
return 0; return 0;
if (ac1->stub != ac2->stub)
return 0; /* FIXME: non zero values can change */
WALK_LIST(oa, po->area_list) if (oa->areaid == ac2->areaid) WALK_LIST(oa, po->area_list)
break; if (oa->areaid == newac->areaid)
break;
if (!oa) if (!oa)
return 0; return 0;
/* Change net_list */ oa->stub = newac->stub;
fib_free(&oa->net_fib); if (newac->stub && (oa->areaid == 0)) oa->stub = 0;
add_area_nets(oa, ac2);
if (!iface_patts_equal(&ac1->patt_list, &ac2->patt_list, /* Change net_list */
FIB_WALK(&oa->net_fib, nf) /* First check if some networks are deleted */
{
found = 0;
WALK_LIST(anc, newac->net_list)
{
if (ipa_equal(anc->px.addr, nf->prefix) && (anc->px.len == nf->pxlen))
{
found = 1;
break;
}
if (!found) flush_sum_lsa(oa, nf, ORT_NET); /* And flush them */
}
}
FIB_WALK_END;
WALK_LIST(anc, newac->net_list) /* Second add new networks */
{
an = fib_get(&oa->net_fib, &anc->px.addr, anc->px.len);
an->hidden = anc->hidden;
}
if (!iface_patts_equal(&oldac->patt_list, &newac->patt_list,
(void *) ospf_patt_compare)) (void *) ospf_patt_compare))
return 0; return 0;
WALK_LIST(ifa, po->iface_list) WALK_LIST(ifa, po->iface_list)
{ {
if (ip1 = (struct ospf_iface_patt *) if (oldip = (struct ospf_iface_patt *)
iface_patt_match(&ac1->patt_list, ifa->iface)) iface_patt_match(&oldac->patt_list, ifa->iface))
{ {
/* Now reconfigure interface */ /* Now reconfigure interface */
if (!(ip2 = (struct ospf_iface_patt *) if (!(newip = (struct ospf_iface_patt *)
iface_patt_match(&ac2->patt_list, ifa->iface))) iface_patt_match(&oldac->patt_list, ifa->iface)))
return 0; return 0;
/* HELLO TIMER */ /* HELLO TIMER */
if (ip1->helloint != ip2->helloint) if (oldip->helloint != newip->helloint)
{ {
ifa->helloint = ip2->helloint; ifa->helloint = newip->helloint;
ifa->hello_timer->recurrent = ifa->helloint; ifa->hello_timer->recurrent = ifa->helloint;
tm_start(ifa->hello_timer, ifa->helloint); tm_start(ifa->hello_timer, ifa->helloint);
OSPF_TRACE(D_EVENTS, OSPF_TRACE(D_EVENTS,
"Changing hello interval on interface %s from %d to %d", "Changing hello interval on interface %s from %d to %d",
ifa->iface->name, ip1->helloint, ip2->helloint); ifa->iface->name, oldip->helloint, newip->helloint);
} }
/* POLL TIMER */ /* POLL TIMER */
if (ip1->pollint != ip2->pollint) if (oldip->pollint != newip->pollint)
{ {
ifa->pollint = ip2->helloint; ifa->pollint = newip->helloint;
ifa->poll_timer->recurrent = ifa->pollint; ifa->poll_timer->recurrent = ifa->pollint;
tm_start(ifa->poll_timer, ifa->pollint); tm_start(ifa->poll_timer, ifa->pollint);
OSPF_TRACE(D_EVENTS, OSPF_TRACE(D_EVENTS,
"Changing poll interval on interface %s from %d to %d", "Changing poll interval on interface %s from %d to %d",
ifa->iface->name, ip1->pollint, ip2->pollint); ifa->iface->name, oldip->pollint, newip->pollint);
} }
/* COST */ /* COST */
if (ip1->cost != ip2->cost) if (oldip->cost != newip->cost)
{ {
ifa->cost = ip2->cost; ifa->cost = newip->cost;
OSPF_TRACE(D_EVENTS, OSPF_TRACE(D_EVENTS,
"Changing cost interface %s from %d to %d", "Changing cost interface %s from %d to %d",
ifa->iface->name, ip1->cost, ip2->cost); ifa->iface->name, oldip->cost, newip->cost);
schedule_rt_lsa(ifa->oa); schedule_rt_lsa(ifa->oa);
} }
/* strict nbma */ /* strict nbma */
if ((ip1->strictnbma == 0) && (ip2->strictnbma != 0)) if ((oldip->strictnbma == 0) && (newip->strictnbma != 0))
{ {
ifa->strictnbma = ip2->strictnbma; ifa->strictnbma = newip->strictnbma;
OSPF_TRACE(D_EVENTS, OSPF_TRACE(D_EVENTS,
"Interface %s is now strict NBMA.", ifa->iface->name); "Interface %s is now strict NBMA.", ifa->iface->name);
} }
if ((ip1->strictnbma != 0) && (ip2->strictnbma == 0)) if ((oldip->strictnbma != 0) && (newip->strictnbma == 0))
{ {
ifa->strictnbma = ip2->strictnbma; ifa->strictnbma = newip->strictnbma;
OSPF_TRACE(D_EVENTS, OSPF_TRACE(D_EVENTS,
"Interface %s is no longer strict NBMA.", "Interface %s is no longer strict NBMA.",
ifa->iface->name); ifa->iface->name);
} }
/* stub */ /* stub */
if ((ip1->stub == 0) && (ip2->stub != 0)) if ((oldip->stub == 0) && (newip->stub != 0))
{ {
ifa->stub = ip2->stub; ifa->stub = newip->stub;
OSPF_TRACE(D_EVENTS, "Interface %s is now stub.", ifa->iface->name); OSPF_TRACE(D_EVENTS, "Interface %s is now stub.", ifa->iface->name);
} }
if ((ip1->stub != 0) && (ip2->stub == 0) && if ((oldip->stub != 0) && (newip->stub == 0) &&
((ifa->ioprob & OSPF_I_IP) == 0) && ((ifa->ioprob & OSPF_I_IP) == 0) &&
(((ifa->ioprob & OSPF_I_MC) == 0) || (ifa->type == OSPF_IT_NBMA))) (((ifa->ioprob & OSPF_I_MC) == 0) || (ifa->type == OSPF_IT_NBMA)))
{ {
ifa->stub = ip2->stub; ifa->stub = newip->stub;
OSPF_TRACE(D_EVENTS, OSPF_TRACE(D_EVENTS,
"Interface %s is no longer stub.", ifa->iface->name); "Interface %s is no longer stub.", ifa->iface->name);
} }
/* AUTHENTICATION */ /* AUTHENTICATION */
if (ip1->autype != ip2->autype) if (oldip->autype != newip->autype)
{ {
ifa->autype = ip2->autype; ifa->autype = newip->autype;
OSPF_TRACE(D_EVENTS, OSPF_TRACE(D_EVENTS,
"Changing authentication type on interface %s", "Changing authentication type on interface %s",
ifa->iface->name); ifa->iface->name);
} }
/* FIXME Add *passwords */ /* Add *passwords */
ifa->passwords = newip->passwords;
/* priority */
if (oldip->priority != newip->priority)
{
ifa->priority = newip->priority;
OSPF_TRACE(D_EVENTS,
"Changing priority on interface %s from %d to %d",
ifa->iface->name, oldip->priority, newip->priority);
}
/* RXMT */ /* RXMT */
if (ip1->rxmtint != ip2->rxmtint) if (oldip->rxmtint != newip->rxmtint)
{ {
ifa->rxmtint = ip2->rxmtint; ifa->rxmtint = newip->rxmtint;
OSPF_TRACE(D_EVENTS, OSPF_TRACE(D_EVENTS,
"Changing retransmit interval on interface %s from %d to %d", "Changing retransmit interval on interface %s from %d to %d",
ifa->iface->name, ip1->rxmtint, ip2->rxmtint); ifa->iface->name, oldip->rxmtint, newip->rxmtint);
} }
/* WAIT */ /* WAIT */
if (ip1->waitint != ip2->waitint) if (oldip->waitint != newip->waitint)
{ {
ifa->waitint = ip2->waitint; ifa->waitint = newip->waitint;
if (ifa->wait_timer->expires != 0) if (ifa->wait_timer->expires != 0)
tm_start(ifa->wait_timer, ifa->waitint); tm_start(ifa->wait_timer, ifa->waitint);
OSPF_TRACE(D_EVENTS, OSPF_TRACE(D_EVENTS,
"Changing wait interval on interface %s from %d to %d", "Changing wait interval on interface %s from %d to %d",
ifa->iface->name, ip1->waitint, ip2->waitint); ifa->iface->name, oldip->waitint, newip->waitint);
} }
/* INFTRANS */ /* INFTRANS */
if (ip1->inftransdelay != ip2->inftransdelay) if (oldip->inftransdelay != newip->inftransdelay)
{ {
ifa->inftransdelay = ip2->inftransdelay; ifa->inftransdelay = newip->inftransdelay;
OSPF_TRACE(D_EVENTS, OSPF_TRACE(D_EVENTS,
"Changing transmit delay on interface %s from %d to %d", "Changing transmit delay on interface %s from %d to %d",
ifa->iface->name, ip1->inftransdelay, ifa->iface->name, oldip->inftransdelay,
ip2->inftransdelay); newip->inftransdelay);
} }
/* DEAD COUNT */ /* DEAD */
if (ip1->deadc != ip2->deadc) olddead = (oldip->dead == 0) ? oldip->deadc * oldip->helloint : oldip->dead;
newdead = (newip->dead == 0) ? newip->deadc * newip->helloint : newip->dead;
if (olddead != newdead)
{ {
ifa->dead = ip2->dead; ifa->dead = newdead;
OSPF_TRACE(D_EVENTS, OSPF_TRACE(D_EVENTS,
"Changing dead count on interface %s from %d to %d", "Changing dead interval on interface %s from %d to %d",
ifa->iface->name, ip1->deadc, ip2->deadc); ifa->iface->name, olddead, newdead);
} }
/* NBMA LIST */ /* NBMA LIST */
@ -732,7 +776,7 @@ ospf_reconfigure(struct proto *p, struct proto_config *c)
WALK_LIST_DELSAFE(nb1, nbnx, ifa->nbma_list) WALK_LIST_DELSAFE(nb1, nbnx, ifa->nbma_list)
{ {
found = 0; found = 0;
WALK_LIST(nb2, ip2->nbma_list) WALK_LIST(nb2, newip->nbma_list)
if (ipa_compare(nb1->ip, nb2->ip) == 0) if (ipa_compare(nb1->ip, nb2->ip) == 0)
{ {
found = 1; found = 1;
@ -753,7 +797,7 @@ ospf_reconfigure(struct proto *p, struct proto_config *c)
} }
} }
/* And then add new */ /* And then add new */
WALK_LIST(nb2, ip2->nbma_list) WALK_LIST(nb2, newip->nbma_list)
{ {
found = 0; found = 0;
WALK_LIST(nb1, ifa->nbma_list) WALK_LIST(nb1, ifa->nbma_list)
@ -776,11 +820,11 @@ ospf_reconfigure(struct proto *p, struct proto_config *c)
} }
} }
ac1 = (struct ospf_area_config *)(NODE(ac1))->next; oldac = (struct ospf_area_config *)(NODE(oldac))->next;
ac2 = (struct ospf_area_config *)(NODE(ac2))->next; newac = (struct ospf_area_config *)(NODE(newac))->next;
} }
if (((NODE(ac1))->next) != ((NODE(ac2))->next)) if (((NODE(oldac))->next) != ((NODE(newac))->next))
return 0; /* One is not null */ return 0; /* One is not null */
return 1; /* Everything OK :-) */ return 1; /* Everything OK :-) */