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112 lines
4.5 KiB
Python
Executable File
112 lines
4.5 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Add join the group 224.1.1.1 from data1 on the host. Send to that
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# group from `msend`, verify that `mrecv` receives it and that `!memb`
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# does not.
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#
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# .1
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# .---------------------------.
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# | DUT |
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# '-data0-----data1-----data2-'
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# | | |
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# | | | 10.0.0.0/24
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# | | |
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# .-data0-. .-data1-. .-data2-.
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# | msend | | mrecv | | !memb |
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# '-------' '-------' '-------'
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# .2 .3 .4
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import infamy
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import time
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import infamy.multicast as mcast
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with infamy.Test() as test:
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with test.step("Initialize"):
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env = infamy.Env()
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target = env.attach("target", "mgmt")
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_, msend = env.ltop.xlate("target", "data0")
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_, mreceive = env.ltop.xlate("target", "data1")
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_, nojoin = env.ltop.xlate("target", "data2")
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with test.step("Configure device"):
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target.put_config_dict("ietf-interfaces",
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{
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"interfaces": {
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"interface": [
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{
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"name": msend,
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"enabled": True,
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"infix-interfaces:bridge-port": {
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"bridge": "br0"
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}
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},
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{
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"name": mreceive,
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"enabled": True,
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"infix-interfaces:bridge-port": {
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"bridge": "br0"
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}
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},
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{
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"name": nojoin,
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"enabled": True,
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"infix-interfaces:bridge-port": {
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"bridge": "br0"
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}
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},
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{
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"name": "br0",
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"enabled": True,
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"type": "infix-if-type:bridge",
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"ipv4": {
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"address": [
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{
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"ip": "10.0.0.1",
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"prefix-length": 24
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}
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]
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},
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"bridge": {
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"multicast": {
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"snooping": True
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}
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}
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}
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]
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}
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})
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_, hsend = env.ltop.xlate("host", "data0")
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_, hreceive = env.ltop.xlate("host", "data1")
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_, hnojoin = env.ltop.xlate("host", "data2")
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with infamy.IsolatedMacVlan(hsend) as send_ns, \
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infamy.IsolatedMacVlan(hreceive) as receive_ns, \
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infamy.IsolatedMacVlan(hnojoin) as nojoin_ns:
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with test.step("Setup sender and receivers"):
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send_ns.addip("10.0.0.2")
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receive_ns.addip("10.0.0.3")
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nojoin_ns.addip("10.0.0.4")
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send_ns.must_reach("10.0.0.1")
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receive_ns.must_reach("10.0.0.1")
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nojoin_ns.must_reach("10.0.0.1")
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print("Starting sender")
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with mcast.MCastSender(send_ns, "224.1.1.1"):
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with test.step("Verify that the group is flooded on all ports"):
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infamy.parallel(lambda: receive_ns.must_receive("ip dst 224.1.1.1"),
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lambda: nojoin_ns.must_receive("ip dst 224.1.1.1"))
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print("Subscribe to the group")
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with mcast.MCastReceiver(receive_ns, "224.1.1.1"):
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with test.step("Verify that the group is still forwarded to the member"):
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receive_ns.must_receive("ip dst 224.1.1.1")
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with test.step("Verify that the group is no longer forwarded to the non-member"):
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nojoin_ns.must_not_receive("ip dst 224.1.1.1")
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test.succeed()
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