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nexedi
babeld
Commits
de5d2c0f
Commit
de5d2c0f
authored
Apr 26, 2010
by
Juliusz Chroboczek
Browse files
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Plain Diff
Go through route_metric for reading route metrics.
parent
7d9aa84d
Changes
4
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Side-by-side
Showing
4 changed files
with
27 additions
and
26 deletions
+27
-26
babeld.c
babeld.c
+1
-1
local.c
local.c
+1
-1
message.c
message.c
+4
-4
route.c
route.c
+21
-20
No files found.
babeld.c
View file @
de5d2c0f
...
...
@@ -949,7 +949,7 @@ dump_tables(FILE *out)
fprintf
(
out
,
"%s metric %d refmetric %d id %s seqno %d age %d "
"via %s neigh %s%s%s%s
\n
"
,
format_prefix
(
routes
[
i
].
src
->
prefix
,
routes
[
i
].
src
->
plen
),
route
s
[
i
].
metric
,
routes
[
i
].
refmetric
,
route
_metric
(
&
routes
[
i
])
,
routes
[
i
].
refmetric
,
format_eui64
(
routes
[
i
].
src
->
id
),
(
int
)
routes
[
i
].
seqno
,
(
int
)(
now
.
tv_sec
-
routes
[
i
].
time
),
...
...
local.c
View file @
de5d2c0f
...
...
@@ -206,7 +206,7 @@ local_notify_route(struct route *route, int kind)
format_prefix
(
route
->
src
->
prefix
,
route
->
src
->
plen
),
route
->
installed
?
"yes"
:
"no"
,
format_eui64
(
route
->
src
->
id
),
route
->
metric
,
route
->
refmetric
,
route
_metric
(
route
)
,
route
->
refmetric
,
format_address
(
route
->
neigh
->
address
),
route
->
neigh
->
network
->
ifname
);
...
...
message.c
View file @
de5d2c0f
...
...
@@ -888,7 +888,7 @@ flushupdates(struct network *net)
last_plen
=
xroute
->
plen
;
}
else
if
(
route
)
{
seqno
=
route
->
seqno
;
metric
=
route
->
metric
;
metric
=
route
_metric
(
route
)
;
if
(
metric
<
INFINITY
)
satisfy_request
(
route
->
src
->
prefix
,
route
->
src
->
plen
,
seqno
,
route
->
src
->
id
,
net
);
...
...
@@ -975,7 +975,7 @@ send_update(struct network *net, int urgent,
/* Since flushupdates only deals with non-wildcard interfaces, we
need to do this now. */
route
=
find_installed_route
(
prefix
,
plen
);
if
(
route
&&
route
->
metric
<
INFINITY
)
if
(
route
&&
route
_metric
(
route
)
<
INFINITY
)
satisfy_request
(
prefix
,
plen
,
route
->
src
->
seqno
,
route
->
src
->
id
,
NULL
);
}
...
...
@@ -1382,7 +1382,7 @@ handle_request(struct neighbour *neigh, const unsigned char *prefix,
return
;
/* Let's try to forward this request. */
if
(
route
&&
route
->
metric
<
INFINITY
)
if
(
route
&&
route
_metric
(
route
)
<
INFINITY
)
successor
=
route
->
neigh
;
if
(
!
successor
||
successor
==
neigh
)
{
...
...
@@ -1391,7 +1391,7 @@ handle_request(struct neighbour *neigh, const unsigned char *prefix,
struct
route
*
other_route
;
other_route
=
find_best_route
(
prefix
,
plen
,
0
,
neigh
);
if
(
other_route
&&
other_route
->
metric
<
INFINITY
)
if
(
other_route
&&
route_metric
(
other_route
)
<
INFINITY
)
successor
=
other_route
->
neigh
;
}
...
...
route.c
View file @
de5d2c0f
...
...
@@ -80,7 +80,7 @@ flush_route(struct route *route)
i
=
route
-
routes
;
assert
(
i
>=
0
&&
i
<
numroutes
);
oldmetric
=
route
->
metric
;
oldmetric
=
route
_metric
(
route
)
;
if
(
route
->
installed
)
{
uninstall_route
(
route
);
...
...
@@ -166,7 +166,7 @@ install_route(struct route *route)
rc
=
kernel_route
(
ROUTE_ADD
,
route
->
src
->
prefix
,
route
->
src
->
plen
,
route
->
nexthop
,
route
->
neigh
->
network
->
ifindex
,
metric_to_kernel
(
route
->
metric
),
NULL
,
0
,
0
);
metric_to_kernel
(
route
_metric
(
route
)
),
NULL
,
0
,
0
);
if
(
rc
<
0
)
{
int
save
=
errno
;
perror
(
"kernel_route(ADD)"
);
...
...
@@ -188,7 +188,7 @@ uninstall_route(struct route *route)
rc
=
kernel_route
(
ROUTE_FLUSH
,
route
->
src
->
prefix
,
route
->
src
->
plen
,
route
->
nexthop
,
route
->
neigh
->
network
->
ifindex
,
metric_to_kernel
(
route
->
metric
),
NULL
,
0
,
0
);
metric_to_kernel
(
route
_metric
(
route
)
),
NULL
,
0
,
0
);
if
(
rc
<
0
)
perror
(
"kernel_route(FLUSH)"
);
...
...
@@ -219,9 +219,9 @@ switch_routes(struct route *old, struct route *new)
rc
=
kernel_route
(
ROUTE_MODIFY
,
old
->
src
->
prefix
,
old
->
src
->
plen
,
old
->
nexthop
,
old
->
neigh
->
network
->
ifindex
,
metric_to_kernel
(
old
->
metric
),
metric_to_kernel
(
route_metric
(
old
)
),
new
->
nexthop
,
new
->
neigh
->
network
->
ifindex
,
metric_to_kernel
(
new
->
metric
));
metric_to_kernel
(
route_metric
(
new
)
));
if
(
rc
<
0
)
{
perror
(
"kernel_route(MODIFY)"
);
return
;
...
...
@@ -239,10 +239,10 @@ change_route_metric(struct route *route, unsigned newmetric)
{
int
old
,
new
;
if
(
route
->
metric
==
newmetric
)
if
(
route
_metric
(
route
)
==
newmetric
)
return
;
old
=
metric_to_kernel
(
route
->
metric
);
old
=
metric_to_kernel
(
route
_metric
(
route
)
);
new
=
metric_to_kernel
(
newmetric
);
if
(
route
->
installed
&&
old
!=
new
)
{
...
...
@@ -316,7 +316,7 @@ find_best_route(const unsigned char *prefix, unsigned char plen, int feasible,
continue
;
if
(
exclude
&&
routes
[
i
].
neigh
==
exclude
)
continue
;
if
(
route
&&
route
->
metric
<=
routes
[
i
].
metric
)
if
(
route
&&
route
_metric
(
route
)
<=
route_metric
(
&
routes
[
i
])
)
continue
;
route
=
&
routes
[
i
];
}
...
...
@@ -329,7 +329,7 @@ update_route_metric(struct route *route)
int
oldmetric
;
int
newmetric
;
oldmetric
=
route
->
metric
;
oldmetric
=
route
_metric
(
route
)
;
if
(
route_expired
(
route
))
{
if
(
route
->
refmetric
<
INFINITY
)
{
route
->
seqno
=
seqno_plus
(
route
->
src
->
seqno
,
1
);
...
...
@@ -414,7 +414,7 @@ update_route(const unsigned char *a, const unsigned char *p, unsigned char plen,
int
lost
=
0
;
oldsrc
=
route
->
src
;
oldmetric
=
route
->
metric
;
oldmetric
=
route
_metric
(
route
)
;
/* If a successor switches sources, we must accept his update even
if it makes a route unfeasible in order to break any routing loops
...
...
@@ -498,7 +498,7 @@ send_unfeasible_request(struct neighbour *neigh, int force,
return
;
}
if
(
force
||
!
route
||
route
->
metric
>=
metric
+
512
)
{
if
(
force
||
!
route
||
route
_metric
(
route
)
>=
metric
+
512
)
{
send_unicast_multihop_request
(
neigh
,
src
->
prefix
,
src
->
plen
,
src
->
metric
>=
INFINITY
?
src
->
seqno
:
...
...
@@ -530,20 +530,20 @@ consider_route(struct route *route)
if
(
installed
==
NULL
)
goto
install
;
if
(
route
->
metric
>=
INFINITY
)
if
(
route
_metric
(
route
)
>=
INFINITY
)
return
;
if
(
installed
->
metric
>=
INFINITY
)
if
(
route_metric
(
installed
)
>=
INFINITY
)
goto
install
;
if
(
installed
->
metric
>=
route
->
metric
+
192
)
if
(
route_metric
(
installed
)
>=
route_metric
(
route
)
+
192
)
goto
install
;
/* Avoid switching sources */
if
(
installed
->
src
!=
route
->
src
)
return
;
if
(
installed
->
metric
>=
route
->
metric
+
64
)
if
(
route_metric
(
installed
)
>=
route_metric
(
route
)
+
64
)
goto
install
;
return
;
...
...
@@ -551,7 +551,7 @@ consider_route(struct route *route)
install:
switch_routes
(
installed
,
route
);
if
(
installed
&&
route
->
installed
)
send_triggered_update
(
route
,
installed
->
src
,
installed
->
metric
);
send_triggered_update
(
route
,
installed
->
src
,
route_metric
(
installed
)
);
else
send_update
(
NULL
,
1
,
route
->
src
->
prefix
,
route
->
src
->
plen
);
return
;
...
...
@@ -565,7 +565,7 @@ retract_neighbour_routes(struct neighbour *neigh)
i
=
0
;
while
(
i
<
numroutes
)
{
if
(
routes
[
i
].
neigh
==
neigh
)
{
unsigned
short
oldmetric
=
route
s
[
i
].
metric
;
unsigned
short
oldmetric
=
route
_metric
(
&
routes
[
i
])
;
if
(
oldmetric
!=
INFINITY
)
{
change_route_metric
(
&
routes
[
i
],
INFINITY
);
route_changed
(
&
routes
[
i
],
routes
[
i
].
src
,
oldmetric
);
...
...
@@ -586,7 +586,7 @@ send_triggered_update(struct route *route, struct source *oldsrc,
if
(
!
route
->
installed
)
return
;
newmetric
=
route
->
metric
;
newmetric
=
route
_metric
(
route
)
;
diff
=
newmetric
>=
oldmetric
?
newmetric
-
oldmetric
:
oldmetric
-
newmetric
;
...
...
@@ -639,11 +639,12 @@ route_changed(struct route *route,
struct
source
*
oldsrc
,
unsigned
short
oldmetric
)
{
if
(
route
->
installed
)
{
if
(
route
->
metric
>
oldmetric
)
{
if
(
route
_metric
(
route
)
>
oldmetric
)
{
struct
route
*
better_route
;
better_route
=
find_best_route
(
route
->
src
->
prefix
,
route
->
src
->
plen
,
1
,
NULL
);
if
(
better_route
&&
better_route
->
metric
<=
route
->
metric
-
96
)
if
(
better_route
&&
route_metric
(
better_route
)
<=
route_metric
(
route
)
-
96
)
consider_route
(
better_route
);
}
...
...
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