def test_ip_addr_to_iface(self):
"""
Tests ip_addr_to_iface to ensure that the iface name is looked
up properly.
"""
iface_list = {
'eth0': {
'mac_addr': None,
'ip_addr': '10.2.34.6',
'ip_addrs': ['10.2.99.99', '10.2.34.6'],
'link_speed': None,
},
'eth1': {
'mac_addr': None,
'ip_addr': '10.2.99.99',
'ip_addrs': ['10.2.99.99'],
'link_speed': None,
}
}
self.assertEqual(net.ip_addr_to_iface('10.2.34.6', iface_list), 'eth0')
self.assertEqual(net.ip_addr_to_iface('10.2.99.99', iface_list),
'eth1')
# TODO: If the IP address cannot be found it should probably not
# raise a KeyError but instead fail more gracefully
self.assertRaises(KeyError, net.ip_addr_to_iface, '10.2.100.100',
iface_list)
def commit_xport(self, sid, xport_info):
"""
Commit transport
Saves the transport configuration to the device.
Returns the status of the commit.
"""
self.log.trace("Sanity checking xport_info %s...", str(xport_info))
assert xport_info['type'] == 'UDP'
assert any([
xport_info['ipv4'] == x['ip_addr']
for x in itervalues(self._chdr_ifaces)
])
assert xport_info['port'] == str(self.chdr_port)
assert len(xport_info.get('src_ipv4')) > 5
assert int(xport_info.get('src_port')) > 0
sender_addr = xport_info['src_ipv4']
sender_port = int(xport_info['src_port'])
self.log.trace("Incoming connection is coming from %s:%d", sender_addr,
sender_port)
mac_addr = net.get_mac_addr(sender_addr)
if mac_addr is None:
raise RuntimeError(
"Could not find MAC address for IP address {}".format(
sender_addr))
self.log.trace("Incoming connection is coming from %s", mac_addr)
eth_iface = net.ip_addr_to_iface(xport_info['ipv4'], self._chdr_ifaces)
xbar_port = self.iface_config[eth_iface]['xbar_port']
self.log.trace("Using Ethernet interface %s, crossbar port %d",
eth_iface, xbar_port)
xbar_iface = lib.xbar.xbar(self.get_xbar_dev(eth_iface))
xbar_iface.set_route(sid.src_addr, xbar_port)
self._eth_dispatchers[eth_iface].set_route(sid.reversed(), sender_addr,
sender_port)
self.log.trace("UDP transport successfully committed!")
self._previous_block_ep[sid.src_addr] = sid.get_dst_block()
if xport_info.get('xport_type') == 'TX_DATA':
self._allocations[eth_iface] = \
{'tx': self._allocations.get(eth_iface, {}).get('tx', 0) + 1}
if xport_info.get('xport_type') == 'RX_DATA':
self._allocations[eth_iface] = \
{'rx': self._allocations.get(eth_iface, {}).get('rx', 0) + 1}
self.log.trace(
"New link allocations for %s: TX: %d RX: %d",
eth_iface,
self._allocations.get(eth_iface, {}).get('tx', 0),
self._allocations.get(eth_iface, {}).get('rx', 0),
)
return True
def test_ip_addr_to_iface(self):
"""
Tests ip_addr_to_iface to ensure that the iface name is looked
up properly.
"""
iface_list = {
'eth0': {
'mac_addr': None,
'ip_addr': '10.2.34.6',
'ip_addrs': ['10.2.99.99', '10.2.34.6'],
'link_speed': None,
},
'eth1': {
'mac_addr': None,
'ip_addr': '10.2.99.99',
'ip_addrs': ['10.2.99.99'],
'link_speed': None,
}
}
self.assertEqual(net.ip_addr_to_iface('10.2.34.6', iface_list), 'eth0')
self.assertEqual(net.ip_addr_to_iface('10.2.99.99', iface_list), 'eth1')
# TODO: If the IP address cannot be found it should probably not
# raise a KeyError but instead fail more gracefully
self.assertRaises(KeyError, net.ip_addr_to_iface, '10.2.100.100', iface_list)
def commit_xport(self, sid, xport_info):
"""
Commit transport
Saves the transport configuration to the device.
Returns the status of the commit.
"""
self.log.trace("Sanity checking xport_info %s...", str(xport_info))
assert xport_info['type'] == 'UDP'
assert any([xport_info['ipv4'] == x['ip_addr']
for x in itervalues(self._chdr_ifaces)])
assert xport_info['port'] == str(self.chdr_port)
assert len(xport_info.get('src_ipv4')) > 5
assert int(xport_info.get('src_port')) > 0
sender_addr = xport_info['src_ipv4']
sender_port = int(xport_info['src_port'])
self.log.trace("Incoming connection is coming from %s:%d",
sender_addr, sender_port)
mac_addr = net.get_mac_addr(sender_addr)
if mac_addr is None:
raise RuntimeError(
"Could not find MAC address for IP address {}".format(
sender_addr))
self.log.trace("Incoming connection is coming from %s",
mac_addr)
eth_iface = net.ip_addr_to_iface(xport_info['ipv4'], self._chdr_ifaces)
xbar_port = self.iface_config[eth_iface]['xbar_port']
self.log.trace("Using Ethernet interface %s, crossbar port %d",
eth_iface, xbar_port)
xbar_iface = lib.xbar.xbar(self.get_xbar_dev(eth_iface))
xbar_iface.set_route(sid.src_addr, xbar_port)
self._eth_dispatchers[eth_iface].set_route(
sid.reversed(), sender_addr, sender_port)
self.log.trace("UDP transport successfully committed!")
self._previous_block_ep[sid.src_addr] = sid.get_dst_block()
if xport_info.get('xport_type') == 'TX_DATA':
self._allocations[eth_iface] = \
{'tx': self._allocations.get(eth_iface, {}).get('tx', 0) + 1}
if xport_info.get('xport_type') == 'RX_DATA':
self._allocations[eth_iface] = \
{'rx': self._allocations.get(eth_iface, {}).get('rx', 0) + 1}
self.log.trace(
"New link allocations for %s: TX: %d RX: %d",
eth_iface,
self._allocations.get(eth_iface, {}).get('tx', 0),
self._allocations.get(eth_iface, {}).get('rx', 0),
)
return True