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Michael Alan Marsh
testbed
Commits
2c6e35be
Commit
2c6e35be
authored
6 years ago
by
Mike Marsh
Browse files
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I believe star topologies now actually work
parent
45474401
Branches
master
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1
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1 changed file
start_testbed.py
+27
-4
27 additions, 4 deletions
start_testbed.py
with
27 additions
and
4 deletions
start_testbed.py
+
27
−
4
View file @
2c6e35be
...
@@ -44,7 +44,7 @@ def make_route(f,net,fdev):
...
@@ -44,7 +44,7 @@ def make_route(f,net,fdev):
'
src
'
,
f
[
'
addr
'
]
'
src
'
,
f
[
'
addr
'
]
])
])
def
connect_nodes
(
node1
,
node2
):
def
connect_nodes
(
node1
,
node2
,
route_subnet
=
False
):
ctr1
=
nodelist
[
node1
]
ctr1
=
nodelist
[
node1
]
ctr2
=
nodelist
[
node2
]
ctr2
=
nodelist
[
node2
]
print
ctr1
,
ctr2
print
ctr1
,
ctr2
...
@@ -88,6 +88,8 @@ def connect_nodes(node1, node2):
...
@@ -88,6 +88,8 @@ def connect_nodes(node1, node2):
make_route
(
f
,
t
[
'
addr
'
]
+
'
/32
'
,
fdev
)
make_route
(
f
,
t
[
'
addr
'
]
+
'
/32
'
,
fdev
)
route_from_to
(
ctr1
,
ctr2
,
dev_1
)
route_from_to
(
ctr1
,
ctr2
,
dev_1
)
route_from_to
(
ctr2
,
ctr1
,
dev_2
)
route_from_to
(
ctr2
,
ctr1
,
dev_2
)
if
route_subnet
:
make_route
(
ctr2
,
subnet
,
dev_2
)
# Configure the link for network emulation.
# Configure the link for network emulation.
def
enable_netem
(
ns
,
dev
):
def
enable_netem
(
ns
,
dev
):
...
@@ -98,6 +100,7 @@ def connect_nodes(node1, node2):
...
@@ -98,6 +100,7 @@ def connect_nodes(node1, node2):
])
])
enable_netem
(
ctr1
[
'
name
'
],
dev_1
)
enable_netem
(
ctr1
[
'
name
'
],
dev_1
)
enable_netem
(
ctr2
[
'
name
'
],
dev_2
)
enable_netem
(
ctr2
[
'
name
'
],
dev_2
)
return
(
dev_1
,
dev_2
)
def
make_mesh
():
def
make_mesh
():
...
@@ -110,10 +113,30 @@ def make_mesh():
...
@@ -110,10 +113,30 @@ def make_mesh():
def
make_star
():
def
make_star
():
global
nodelist
global
nodelist
def
get_dev
(
i
):
def
get_dev
(
i
):
return
'
bac0_{i}_0
'
.
format
(
i
=
i
)
return
'
{name}_{i}_0
'
.
format
(
name
=
ntwk
[
'
name
'
],
i
=
i
)
bridge_ns
=
nodelist
[
0
][
'
name
'
]
bridge_dev
=
'
{}_bridge
'
.
format
(
bridge_ns
)
bridge_addr
=
nodelist
[
0
][
'
addr
'
]
subprocess
.
call
([
'
sudo
'
,
'
ip
'
,
'
netns
'
,
'
exec
'
,
bridge_ns
,
'
brctl
'
,
'
addbr
'
,
bridge_dev
])
subprocess
.
call
([
'
sudo
'
,
'
ip
'
,
'
netns
'
,
'
exec
'
,
bridge_ns
,
'
ip
'
,
'
address
'
,
'
add
'
,
'
dev
'
,
bridge_dev
,
'
local
'
,
bridge_addr
])
subprocess
.
call
([
'
sudo
'
,
'
ip
'
,
'
netns
'
,
'
exec
'
,
bridge_ns
,
'
ip
'
,
'
link
'
,
'
set
'
,
'
dev
'
,
bridge_dev
,
'
up
'
])
num_nodes
=
len
(
nodelist
)
num_nodes
=
len
(
nodelist
)
[
connect_nodes
(
0
,
n
)
for
n
in
range
(
1
,
num_nodes
)
]
devs
=
[
connect_nodes
(
0
,
n
,
True
)[
0
]
for
n
in
range
(
1
,
num_nodes
)
]
[
make_route
(
n
,
subnet
,
get_dev
(
n
))
for
n
in
range
(
1
,
num_nodes
)
]
for
d
in
devs
:
subprocess
.
call
([
'
sudo
'
,
'
ip
'
,
'
netns
'
,
'
exec
'
,
bridge_ns
,
'
brctl
'
,
'
addif
'
,
bridge_dev
,
d
])
def
start_node
(
base_name
,
i
):
def
start_node
(
base_name
,
i
):
global
nodelist
global
nodelist
...
...
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