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Solve chicken-and-egg problems with protocol startup. We now queue all inactive

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protocols and don't send route/interface updates to them and when they come up,
we resend the whole route/interface tables privately.

Removed the "scan interface list after protocol start" work-around.
This commit is contained in:
Martin Mares
1998-10-17 11:05:18 +00:00
parent d92882be9b
commit 47b793064c
7 changed files with 62 additions and 8 deletions
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25
nest/proto.c
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@@ -15,9 +15,12 @@
#include "lib/resource.h"
#include "lib/lists.h"
#include "nest/confile.h"
#include "nest/route.h"
#include "nest/iface.h"
list protocol_list;
list proto_list;
list inactive_proto_list;
void *
proto_new(struct protocol *pr, unsigned size)
@@ -30,7 +33,7 @@ proto_new(struct protocol *pr, unsigned size)
p->name = pr->name;
p->debug = pr->debug;
p->pool = rp_new(&root_pool, pr->name);
add_tail(&proto_list, &p->n);
add_tail(&inactive_proto_list, &p->n);
return p;
}
@@ -40,6 +43,7 @@ protos_preconfig(void)
struct protocol *p;
init_list(&proto_list);
init_list(&inactive_proto_list);
debug("Protocol preconfig\n");
WALK_LIST(p, protocol_list)
{
@@ -61,18 +65,27 @@ protos_postconfig(void)
}
}
static void
proto_start(struct proto *p)
{
rem_node(&p->n);
if (p->start)
p->start(p);
if_feed_baby(p);
rt_feed_baby(p);
add_tail(&proto_list, &p->n);
}
void
protos_start(void)
{
struct proto *p;
struct proto *p, *n;
debug("Protocol start\n");
WALK_LIST(p, proto_list)
WALK_LIST_DELSAFE(p, n, inactive_proto_list)
{
debug("...%s\n", p->name);
if (p->start)
p->start(p);
proto_start(p);
}
}
@@ -89,6 +102,8 @@ protos_dump_all(void)
if (p->dump)
p->dump(p);
}
WALK_LIST(p, inactive_proto_list)
debug(" inactive %s\n", p->name);
}
void