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nexedi
babeld
Commits
da59d46e
Commit
da59d46e
authored
Jun 28, 2007
by
Juliusz Chroboczek
Browse files
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Plain Diff
First tack at multihop requests.
parent
c75fc69a
Changes
6
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Side-by-side
Showing
6 changed files
with
31 additions
and
14 deletions
+31
-14
babel.c
babel.c
+5
-3
babel.h
babel.h
+1
-0
message.c
message.c
+18
-6
message.h
message.h
+4
-2
neighbour.c
neighbour.c
+1
-1
route.c
route.c
+2
-2
No files found.
babel.c
View file @
da59d46e
...
...
@@ -64,6 +64,8 @@ int wired_hello_interval = -1;
int
idle_hello_interval
=
-
1
;
int
update_interval
=
-
1
;
int
max_hopcount
=
25
;
struct
network
nets
[
MAXNETS
];
int
numnets
=
0
;
...
...
@@ -367,14 +369,14 @@ main(int argc, char **argv)
/* Make some noise so others notice us */
for
(
i
=
0
;
i
<
numnets
;
i
++
)
{
send_hello
(
&
nets
[
i
]);
send_request
(
&
nets
[
i
],
NULL
);
send_request
(
&
nets
[
i
],
NULL
,
0
);
}
for
(
i
=
0
;
i
<
numnets
;
i
++
)
{
usleep
(
50000
+
random
()
%
100000
);
flushbuf
(
&
nets
[
i
]);
send_hello
(
&
nets
[
i
]);
send_self_update
(
&
nets
[
i
],
0
);
send_request
(
&
nets
[
i
],
NULL
);
send_request
(
&
nets
[
i
],
NULL
,
0
);
}
debugf
(
"Entering main loop.
\n
"
);
...
...
@@ -740,7 +742,7 @@ expire_routes(void)
if
(
route
->
installed
&&
route
->
refmetric
<
INFINITY
)
{
if
(
route
->
time
<
now
.
tv_sec
-
MAX
(
5
,
route_timeout_delay
-
25
))
send_unicast_request
(
route
->
nexthop
,
route
->
dest
);
send_unicast_request
(
route
->
nexthop
,
route
->
dest
,
0
);
}
i
++
;
}
...
...
babel.h
View file @
da59d46e
...
...
@@ -96,5 +96,6 @@ extern int protocol_port;
extern
unsigned
char
protocol_group
[
16
];
extern
int
protocol_socket
;
extern
int
kernel_socket
;
extern
int
max_hopcount
;
void
update_hello_interval
(
struct
network
*
net
);
message.c
View file @
da59d46e
...
...
@@ -294,13 +294,13 @@ send_hello(struct network *net)
}
void
send_request
(
struct
network
*
net
,
struct
destination
*
dest
)
send_request
(
struct
network
*
net
,
struct
destination
*
dest
,
int
hopcount
)
{
int
i
;
if
(
net
==
NULL
)
{
for
(
i
=
0
;
i
<
numnets
;
i
++
)
send_request
(
&
nets
[
i
],
dest
);
send_request
(
&
nets
[
i
],
dest
,
hopcount
);
return
;
}
...
...
@@ -308,8 +308,14 @@ send_request(struct network *net, struct destination *dest)
net
->
ifname
,
dest
?
format_address
(
dest
->
address
)
:
"::/0"
);
start_message
(
net
,
20
);
accumulate_byte
(
net
,
1
);
if
(
hopcount
>
0
&&
dest
)
{
accumulate_byte
(
net
,
dest
->
seqno
);
accumulate_byte
(
net
,
hopcount
);
}
else
{
accumulate_byte
(
net
,
0
);
accumulate_byte
(
net
,
0
);
}
accumulate_byte
(
net
,
0
);
accumulate_short
(
net
,
0
);
accumulate_data
(
net
,
dest
?
dest
->
address
:
zeroes
,
16
);
schedule_flush
(
net
);
}
...
...
@@ -340,7 +346,8 @@ send_unicast_packet(struct neighbour *neigh, unsigned char *buf, int buflen)
void
send_unicast_request
(
struct
neighbour
*
neigh
,
struct
destination
*
dest
)
send_unicast_request
(
struct
neighbour
*
neigh
,
struct
destination
*
dest
,
int
hopcount
)
{
unsigned
char
buf
[
20
];
...
...
@@ -350,8 +357,13 @@ send_unicast_request(struct neighbour *neigh, struct destination *dest)
dest
?
format_address
(
dest
->
address
)
:
"::/0"
);
buf
[
0
]
=
1
;
buf
[
1
]
=
0
;
buf
[
2
]
=
0
;
if
(
hopcount
>
0
&&
dest
)
{
buf
[
1
]
=
dest
->
seqno
;
buf
[
2
]
=
hopcount
;
}
else
{
buf
[
1
]
=
0
;
buf
[
2
]
=
0
;
}
buf
[
3
]
=
0
;
if
(
dest
==
NULL
)
memset
(
buf
+
4
,
0
,
16
);
...
...
message.h
View file @
da59d46e
...
...
@@ -39,8 +39,10 @@ void parse_packet(const unsigned char *from, struct network *net,
const
unsigned
char
*
packet
,
int
len
);
void
flushbuf
(
struct
network
*
net
);
void
send_hello
(
struct
network
*
net
);
void
send_request
(
struct
network
*
net
,
struct
destination
*
dest
);
void
send_unicast_request
(
struct
neighbour
*
neigh
,
struct
destination
*
dest
);
void
send_request
(
struct
network
*
net
,
struct
destination
*
dest
,
int
hopcount
);
void
send_unicast_request
(
struct
neighbour
*
neigh
,
struct
destination
*
dest
,
int
hopcount
);
void
send_update
(
struct
destination
*
dest
,
struct
network
*
net
);
void
send_self_update
(
struct
network
*
net
,
int
force_seqno
);
void
send_self_retract
(
struct
network
*
net
);
...
...
neighbour.c
View file @
da59d46e
...
...
@@ -174,7 +174,7 @@ update_neighbour(struct neighbour *neigh, int hello, int hello_interval)
if
(
dest
)
route
=
find_best_route
(
dest
);
if
(
!
route
||
route
->
nexthop
==
neigh
)
send_unicast_request
(
neigh
,
NULL
);
send_unicast_request
(
neigh
,
NULL
,
0
);
}
}
...
...
route.c
View file @
da59d46e
...
...
@@ -100,7 +100,7 @@ flush_route(struct route *route)
dest
->
seqno
=
(
dest
->
seqno
+
1
)
&
0xFF
;
}
send_update
(
route
->
dest
,
NULL
);
send_request
(
NULL
,
route
->
dest
);
send_request
(
NULL
,
route
->
dest
,
max_hopcount
);
}
}
}
...
...
@@ -431,6 +431,6 @@ send_triggered_update(struct route *route, int oldmetric)
if
(
route
->
metric
-
oldmetric
>=
384
)
{
/* This route's metric has increased a lot -- let's hope we find
something better */
send_request
(
NULL
,
route
->
dest
);
send_request
(
NULL
,
route
->
dest
,
0
);
}
}
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