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:
# TODO: handle IPv6
with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as sock:
sock.connect((rhost, rport))
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
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)
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
def _add_ubridge_connection(self, nio, adapter_number):
"""
Creates a connection in uBridge.
:param nio: NIO instance
:param adapter_number: adapter number
"""
vnet = "ethernet{}.vnet".format(adapter_number)
if vnet not in self._vmx_pairs:
raise VMwareError("vnet {} not in VMX file".format(vnet))
yield from self._ubridge_hypervisor.send(
"bridge create {name}".format(name=vnet))
vmnet_interface = os.path.basename(self._vmx_pairs[vnet])
if sys.platform.startswith("linux"):
yield from self._ubridge_hypervisor.send(
'bridge add_nio_linux_raw {name} "{interface}"'.format(
name=vnet, interface=vmnet_interface))
elif sys.platform.startswith("win"):
windows_interfaces = get_windows_interfaces()
npf = None
for interface in windows_interfaces:
if "netcard" in interface and vmnet_interface in interface[
"netcard"]:
npf = interface["id"]
elif vmnet_interface in interface["name"]:
npf = interface["id"]
if npf:
yield from self._ubridge_hypervisor.send(
'bridge add_nio_ethernet {name} "{interface}"'.format(
name=vnet, interface=npf))
else:
raise VMwareError(
"Could not find NPF id for VMnet interface {}".format(
vmnet_interface))
elif sys.platform.startswith("darwin"):
yield from self._ubridge_hypervisor.send(
'bridge add_nio_fusion_vmnet {name} "{interface}"'.format(
name=vnet, interface=vmnet_interface))
else:
yield from self._ubridge_hypervisor.send(
'bridge add_nio_ethernet {name} "{interface}"'.format(
name=vnet, interface=vmnet_interface))
if isinstance(nio, NIOUDP):
yield from self._ubridge_hypervisor.send(
'bridge add_nio_udp {name} {lport} {rhost} {rport}'.format(
name=vnet,
lport=nio.lport,
rhost=nio.rhost,
rport=nio.rport))
if nio.capturing:
yield from self._ubridge_hypervisor.send(
'bridge start_capture {name} "{pcap_file}"'.format(
name=vnet, pcap_file=nio.pcap_output_file))
yield from self._ubridge_hypervisor.send(
'bridge start {name}'.format(name=vnet))
def _add_ubridge_connection(self, nio, adapter_number):
"""
Creates a connection in uBridge.
:param nio: NIO instance
:param adapter_number: adapter number
"""
vnet = "ethernet{}.vnet".format(adapter_number)
if vnet not in self._vmx_pairs:
raise VMwareError("vnet {} not in VMX file".format(vnet))
yield from self._ubridge_hypervisor.send("bridge create {name}".format(name=vnet))
vmnet_interface = os.path.basename(self._vmx_pairs[vnet])
if sys.platform.startswith("linux"):
yield from self._ubridge_hypervisor.send('bridge add_nio_linux_raw {name} "{interface}"'.format(name=vnet,
interface=vmnet_interface))
elif sys.platform.startswith("win"):
windows_interfaces = get_windows_interfaces()
npf = None
source_mac = None
for interface in windows_interfaces:
if "netcard" in interface and vmnet_interface in interface["netcard"]:
npf = interface["id"]
source_mac = interface["mac_address"]
elif vmnet_interface in interface["name"]:
npf = interface["id"]
source_mac = interface["mac_address"]
if npf:
yield from self._ubridge_hypervisor.send('bridge add_nio_ethernet {name} "{interface}"'.format(name=vnet,
interface=npf))
else:
raise VMwareError("Could not find NPF id for VMnet interface {}".format(vmnet_interface))
# TODO: should provide that as an option
#if source_mac:
# yield from self._ubridge_hypervisor.send('bridge set_pcap_filter {name} "not ether src {mac}"'.format(name=vnet,
# mac=source_mac))
elif sys.platform.startswith("darwin"):
yield from self._ubridge_hypervisor.send('bridge add_nio_fusion_vmnet {name} "{interface}"'.format(name=vnet,
interface=vmnet_interface))
else:
yield from self._ubridge_hypervisor.send('bridge add_nio_ethernet {name} "{interface}"'.format(name=vnet,
interface=vmnet_interface))
if isinstance(nio, NIOUDP):
yield from self._ubridge_hypervisor.send('bridge add_nio_udp {name} {lport} {rhost} {rport}'.format(name=vnet,
lport=nio.lport,
rhost=nio.rhost,
rport=nio.rport))
if nio.capturing:
yield from self._ubridge_hypervisor.send('bridge start_capture {name} "{pcap_file}"'.format(name=vnet,
pcap_file=nio.pcap_output_file))
yield from self._ubridge_hypervisor.send('bridge start {name}'.format(name=vnet))
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:
# TODO: handle IPv6
with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as sock:
sock.connect((rhost, rport))
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
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)
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)
yield from 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
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"]
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"]))
yield from nio.create()
return nio