def test_is_interface_up():
if sys.platform.startswith("win"):
assert is_interface_up(netifaces.interfaces[0]) is True
elif sys.platform.startswith("darwin"):
assert is_interface_up("lo0") is True
else:
assert is_interface_up("lo") is True
assert is_interface_up("fake0") is False
def test_is_interface_up():
if sys.platform.startswith("win"):
# is_interface_up() always returns True on Windows
pass
elif sys.platform.startswith("darwin"):
assert is_interface_up("lo0") is True
else:
assert is_interface_up("lo") is True
assert is_interface_up("fake0") is False
def create_nio(self, executable, nio_settings):
"""
Creates a new NIO.
:param nio_settings: information to create the NIO
:returns: a NIO object
"""
nio = None
if nio_settings["type"] == "nio_udp":
lport = nio_settings["lport"]
rhost = nio_settings["rhost"]
rport = nio_settings["rport"]
try:
info = socket.getaddrinfo(rhost, rport, socket.AF_UNSPEC,
socket.SOCK_DGRAM, 0,
socket.AI_PASSIVE)
if not info:
raise aiohttp.web.HTTPInternalServerError(
text="getaddrinfo returns an empty list on {}:{}".
format(rhost, rport))
for res in info:
af, socktype, proto, _, sa = res
with socket.socket(af, socktype, proto) as sock:
sock.connect(sa)
except OSError as e:
raise aiohttp.web.HTTPInternalServerError(
text="Could not create an UDP connection to {}:{}: {}".
format(rhost, rport, e))
nio = NIOUDP(lport, rhost, rport)
elif nio_settings["type"] == "nio_tap":
tap_device = nio_settings["tap_device"]
if not is_interface_up(tap_device):
raise aiohttp.web.HTTPConflict(
text="TAP interface {} does not exist or is down".format(
tap_device))
# FIXME: check for permissions on tap device
# if not self._has_privileged_access(executable):
# raise aiohttp.web.HTTPForbidden(text="{} has no privileged access to {}.".format(executable, tap_device))
nio = NIOTAP(tap_device)
elif nio_settings["type"] == "nio_generic_ethernet":
ethernet_device = nio_settings["ethernet_device"]
if not is_interface_up(ethernet_device):
raise aiohttp.web.HTTPConflict(
text="Ethernet interface {} does not exist or is down".
format(ethernet_device))
nio = NIOGenericEthernet(ethernet_device)
elif nio_settings["type"] == "nio_nat":
nio = NIONAT()
assert nio is not None
return nio
def create_nio(self, executable, nio_settings):
"""
Creates a new NIO.
:param nio_settings: information to create the NIO
:returns: a NIO object
"""
nio = None
if nio_settings["type"] == "nio_udp":
lport = nio_settings["lport"]
rhost = nio_settings["rhost"]
rport = nio_settings["rport"]
try:
info = socket.getaddrinfo(rhost, rport, socket.AF_UNSPEC, socket.SOCK_DGRAM, 0, socket.AI_PASSIVE)
if not info:
raise aiohttp.web.HTTPInternalServerError(text="getaddrinfo returns an empty list on {}:{}".format(rhost, rport))
for res in info:
af, socktype, proto, _, sa = res
with socket.socket(af, socktype, proto) as sock:
sock.connect(sa)
except OSError as e:
raise aiohttp.web.HTTPInternalServerError(text="Could not create an UDP connection to {}:{}: {}".format(rhost, rport, e))
nio = NIOUDP(lport, rhost, rport)
elif nio_settings["type"] == "nio_tap":
tap_device = nio_settings["tap_device"]
# if not is_interface_up(tap_device):
# raise aiohttp.web.HTTPConflict(text="TAP interface {} does not exist or is down".format(tap_device))
# FIXME: check for permissions on tap device
# if not self.has_privileged_access(executable):
# raise aiohttp.web.HTTPForbidden(text="{} has no privileged access to {}.".format(executable, tap_device))
nio = NIOTAP(tap_device)
elif nio_settings["type"] == "nio_generic_ethernet":
ethernet_device = nio_settings["ethernet_device"]
if not is_interface_up(ethernet_device):
raise aiohttp.web.HTTPConflict(text="Ethernet interface {} does not exist or is down".format(ethernet_device))
nio = NIOGenericEthernet(ethernet_device)
elif nio_settings["type"] == "nio_nat":
nio = NIONAT()
assert nio is not None
return nio
async def create_nio(self, node, nio_settings):
"""
Creates a new NIO.
:param node: Dynamips node instance
:param nio_settings: information to create the NIO
:returns: a NIO object
"""
nio = None
if nio_settings["type"] == "nio_udp":
lport = nio_settings["lport"]
rhost = nio_settings["rhost"]
rport = nio_settings["rport"]
try:
info = socket.getaddrinfo(rhost, rport, socket.AF_UNSPEC, socket.SOCK_DGRAM, 0, socket.AI_PASSIVE)
if not info:
raise DynamipsError("getaddrinfo returns an empty list on {}:{}".format(rhost, rport))
for res in info:
af, socktype, proto, _, sa = res
with socket.socket(af, socktype, proto) as sock:
sock.connect(sa)
except OSError as e:
raise DynamipsError("Could not create an UDP connection to {}:{}: {}".format(rhost, rport, e))
nio = NIOUDP(node, lport, rhost, rport)
nio.filters = nio_settings.get("filters", {})
nio.suspend = nio_settings.get("suspend", False)
elif nio_settings["type"] == "nio_generic_ethernet":
ethernet_device = nio_settings["ethernet_device"]
if sys.platform.startswith("win"):
# replace the interface name by the GUID on Windows
windows_interfaces = interfaces()
npf_interface = None
for interface in windows_interfaces:
if interface["name"] == ethernet_device:
npf_interface = interface["id"]
if not npf_interface:
raise DynamipsError("Could not find interface {} on this host".format(ethernet_device))
else:
ethernet_device = npf_interface
if not is_interface_up(ethernet_device):
raise aiohttp.web.HTTPConflict(text="Ethernet interface {} is down".format(ethernet_device))
nio = NIOGenericEthernet(node.hypervisor, ethernet_device)
elif nio_settings["type"] == "nio_linux_ethernet":
if sys.platform.startswith("win"):
raise DynamipsError("This NIO type is not supported on Windows")
ethernet_device = nio_settings["ethernet_device"]
nio = NIOLinuxEthernet(node.hypervisor, ethernet_device)
elif nio_settings["type"] == "nio_tap":
tap_device = nio_settings["tap_device"]
nio = NIOTAP(node.hypervisor, tap_device)
if not is_interface_up(tap_device):
# test after the TAP interface has been created (if it doesn't exist yet)
raise aiohttp.web.HTTPConflict(text="TAP interface {} is down".format(tap_device))
elif nio_settings["type"] == "nio_unix":
local_file = nio_settings["local_file"]
remote_file = nio_settings["remote_file"]
nio = NIOUNIX(node.hypervisor, local_file, remote_file)
elif nio_settings["type"] == "nio_vde":
control_file = nio_settings["control_file"]
local_file = nio_settings["local_file"]
nio = NIOVDE(node.hypervisor, control_file, local_file)
elif nio_settings["type"] == "nio_null":
nio = NIONull(node.hypervisor)
else:
raise aiohttp.web.HTTPConflict(text="NIO of type {} is not supported".format(nio_settings["type"]))
await nio.create()
return nio
def create_nio(self, node, nio_settings):
"""
Creates a new NIO.
:param node: Dynamips node instance
:param nio_settings: information to create the NIO
:returns: a NIO object
"""
nio = None
if nio_settings["type"] == "nio_udp":
lport = nio_settings["lport"]
rhost = nio_settings["rhost"]
rport = nio_settings["rport"]
try:
info = socket.getaddrinfo(rhost, rport, socket.AF_UNSPEC,
socket.SOCK_DGRAM, 0,
socket.AI_PASSIVE)
if not info:
raise DynamipsError(
"getaddrinfo returns an empty list on {}:{}".format(
rhost, rport))
for res in info:
af, socktype, proto, _, sa = res
with socket.socket(af, socktype, proto) as sock:
sock.connect(sa)
except OSError as e:
raise DynamipsError(
"Could not create an UDP connection to {}:{}: {}".format(
rhost, rport, e))
nio = NIOUDP(node.hypervisor, lport, rhost, rport)
elif nio_settings["type"] == "nio_generic_ethernet":
ethernet_device = nio_settings["ethernet_device"]
if sys.platform.startswith("win"):
# replace the interface name by the GUID on Windows
interfaces = get_windows_interfaces()
npf_interface = None
for interface in interfaces:
if interface["name"] == ethernet_device:
npf_interface = interface["id"]
if not npf_interface:
raise DynamipsError(
"Could not find interface {} on this host".format(
ethernet_device))
else:
ethernet_device = npf_interface
if not is_interface_up(ethernet_device):
raise aiohttp.web.HTTPConflict(
text="Ethernet interface {} is down".format(
ethernet_device))
nio = NIOGenericEthernet(node.hypervisor, ethernet_device)
elif nio_settings["type"] == "nio_linux_ethernet":
if sys.platform.startswith("win"):
raise DynamipsError(
"This NIO type is not supported on Windows")
ethernet_device = nio_settings["ethernet_device"]
nio = NIOLinuxEthernet(node.hypervisor, ethernet_device)
elif nio_settings["type"] == "nio_tap":
tap_device = nio_settings["tap_device"]
if not is_interface_up(tap_device):
raise aiohttp.web.HTTPConflict(
text="TAP interface {} is down".format(tap_device))
nio = NIOTAP(node.hypervisor, tap_device)
elif nio_settings["type"] == "nio_unix":
local_file = nio_settings["local_file"]
remote_file = nio_settings["remote_file"]
nio = NIOUNIX(node.hypervisor, local_file, remote_file)
elif nio_settings["type"] == "nio_vde":
control_file = nio_settings["control_file"]
local_file = nio_settings["local_file"]
nio = NIOVDE(node.hypervisor, control_file, local_file)
elif nio_settings["type"] == "nio_null":
nio = NIONull(node.hypervisor)
else:
raise aiohttp.web.HTTPConflict(
text="NIO of type {} is not supported".format(
nio_settings["type"]))
yield from nio.create()
return nio