def load(self, node_info):
"""
Loads an Ethernet switch representation
(from a topology file).
:param node_info: representation of the node (dictionary)
"""
settings = node_info["properties"]
name = settings.pop("name")
# create the ports with the correct port numbers, IDs and settings
if "ports" in node_info:
ports = node_info["ports"]
for topology_port in ports:
port = EthernetPort(topology_port["name"])
port.setPortNumber(topology_port["port_number"])
port.setId(topology_port["id"])
port.setStatus(EthernetPort.started)
self._ports.append(port)
self._settings["ports"][port.portNumber()] = {"type": topology_port["type"],
"vlan": topology_port["vlan"]}
log.info("Ethernet switch {} is loading".format(name))
self.setup(name)
def load(self, node_info):
"""
Loads an Ethernet switch representation
(from a topology file).
:param node_info: representation of the node (dictionary)
"""
settings = node_info["properties"]
name = settings.pop("name")
# create the ports with the correct port numbers, IDs and settings
if "ports" in node_info:
ports = node_info["ports"]
for topology_port in ports:
port = EthernetPort(topology_port["name"])
port.setPortNumber(topology_port["port_number"])
port.setId(topology_port["id"])
port.setStatus(EthernetPort.started)
self._ports.append(port)
self._settings["ports"][port.portNumber()] = {
"type": topology_port["type"],
"vlan": topology_port["vlan"]
}
log.info("Ethernet switch {} is loading".format(name))
self.setup(name)
def update(self, new_settings):
"""
Updates the settings for this Ethernet switch.
:param new_settings: settings dictionary
"""
updated = False
params = {}
if "ports" in new_settings:
ports_to_update = {}
ports = new_settings["ports"]
for port_number in ports.keys():
if port_number in self._settings["ports"]:
if self._settings["ports"][port_number] != ports[port_number]:
for port in self._ports:
if port.portNumber() == port_number and not port.isFree():
ports_to_update[port_number] = ports[port_number]
break
continue
port = EthernetPort(str(port_number))
port.setPortNumber(port_number)
port.setStatus(EthernetPort.started)
port.setPacketCaptureSupported(True)
self._ports.append(port)
updated = True
log.debug("port {} has been added".format(port_number))
if ports_to_update:
params["ports"] = []
for port_number, info in ports_to_update.items():
info["port"] = port_number
params["ports"].append(info)
updated = True
# delete ports that are not configured
for port_number in self._settings["ports"].keys():
if port_number not in new_settings["ports"]:
for port in self._ports.copy():
if port.portNumber() == port_number:
self._ports.remove(port)
log.debug("port {} has been removed".format(port.name()))
break
self._settings["ports"] = new_settings["ports"].copy()
if "name" in new_settings and new_settings["name"] != self.name():
if self.hasAllocatedName(new_settings["name"]):
self.error_signal.emit(self.id(), 'Name "{}" is already used by another node'.format(new_settings["name"]))
return
params["name"] = new_settings["name"]
updated = True
if updated:
log.debug("{} is being updated: {}".format(self.name(), params))
self.httpPut("/dynamips/devices/{device_id}".format(device_id=self._device_id), self._updateCallback, body=params)
else:
log.info("{} has been updated".format(self.name()))
self.updated_signal.emit()
def update(self, new_settings):
"""
Updates the settings for this Ethernet switch.
:param new_settings: settings dictionary
"""
ports_to_update = {}
ports = new_settings["ports"]
updated = False
for port_number in ports.keys():
if port_number in self._settings["ports"]:
if self._settings["ports"][port_number] != ports[port_number]:
for port in self._ports:
if port.portNumber() == port_number and not port.isFree():
ports_to_update[port_number] = ports[port_number]
break
continue
port = EthernetPort(str(port_number))
port.setPortNumber(port_number)
port.setStatus(EthernetPort.started)
port.setPacketCaptureSupported(True)
self._ports.append(port)
updated = True
log.debug("port {} has been added".format(port_number))
params = {"id": self._ethsw_id}
if ports_to_update:
params["ports"] = {}
for port_number, info in ports_to_update.items():
params["ports"][port_number] = info
updated = True
if "name" in new_settings and new_settings["name"] != self.name():
if self.hasAllocatedName(new_settings["name"]):
self.error_signal.emit(self.id(), 'Name "{}" is already used by another node'.format(new_settings["name"]))
return
params["name"] = new_settings["name"]
updated = True
# delete ports that are not configured
for port_number in self._settings["ports"].keys():
if port_number not in new_settings["ports"]:
for port in self._ports.copy():
if port.portNumber() == port_number:
self._ports.remove(port)
log.debug("port {} has been removed".format(port.name()))
break
self._settings["ports"] = new_settings["ports"].copy()
if updated:
log.debug("{} is being updated: {}".format(self.name(), params))
self._server.send_message("dynamips.ethsw.update", params, self._updateCallback)
def setup(self, name=None, device_id=None, initial_ports=[]):
"""
Setups this Ethernet switch.
:param name: optional name for this switch
:param device_id: device identifier on the server
:param initial_ports: ports to be automatically added when creating this switch
"""
# let's create a unique name if none has been chosen
if not name:
name = self.allocateName("SW")
if not name:
self.error_signal.emit(
self.id(),
"could not allocate a name for this Ethernet switch")
return
self._settings["name"] = name
if not initial_ports:
# default configuration if no initial ports
for port_number in range(1, 9):
# add 8 ports
initial_ports.append({
"name": str(port_number),
"port_number": port_number,
"type": "access",
"vlan": 1
})
# add initial ports
for initial_port in initial_ports:
port = EthernetPort(initial_port["name"])
port.setPortNumber(initial_port["port_number"])
if "id" in initial_port:
port.setId(initial_port["id"])
port.setStatus(EthernetPort.started)
port.setPacketCaptureSupported(True)
self._ports.append(port)
self._settings["ports"][port.portNumber()] = {
"type": initial_port["type"],
"vlan": initial_port["vlan"],
"ethertype": initial_port.get("ethertype", "")
}
params = {"name": name, "device_type": "ethernet_switch"}
if device_id:
params["device_id"] = device_id
self.httpPost("/dynamips/devices", self._setupCallback, body=params)
def setup(self, name=None, device_id=None, initial_ports=[]):
"""
Setups this Ethernet switch.
:param name: optional name for this switch
:param device_id: device identifier on the server
:param initial_ports: ports to be automatically added when creating this switch
"""
# let's create a unique name if none has been chosen
if not name:
name = self.allocateName("SW")
if not name:
self.error_signal.emit(self.id(), "could not allocate a name for this Ethernet switch")
return
self._settings["name"] = name
if not initial_ports:
# default configuration if no initial ports
for port_number in range(1, 9):
# add 8 ports
initial_ports.append({"name": str(port_number),
"port_number": port_number,
"type": "access",
"vlan": 1})
# add initial ports
for initial_port in initial_ports:
port = EthernetPort(initial_port["name"])
port.setPortNumber(initial_port["port_number"])
if "id" in initial_port:
port.setId(initial_port["id"])
port.setStatus(EthernetPort.started)
port.setPacketCaptureSupported(True)
self._ports.append(port)
self._settings["ports"][port.portNumber()] = {"type": initial_port["type"],
"vlan": initial_port["vlan"],
"ethertype": initial_port.get("ethertype", "")}
params = {"name": name,
"device_type": "ethernet_switch"}
if device_id:
params["device_id"] = device_id
self.httpPost("/dynamips/devices", self._setupCallback, body=params)
def setup(self, name=None, initial_ports=[]):
"""
Setups this Ethernet switch.
:param name: optional name for this switch
:param initial_ports: ports to be automatically added when creating this switch
"""
# let's create a unique name if none has been chosen
if not name:
name = self.allocateName("SW")
if not name:
self.error_signal.emit(self.id(), "could not allocate a name for this Ethernet switch")
return
if not initial_ports:
# default configuration if no initial ports
for port_number in range(1, 9):
# add 8 ports
initial_ports.append({"name": str(port_number),
"port_number": port_number,
"type": "access",
"vlan": 1})
# add initial ports
for initial_port in initial_ports:
port = EthernetPort(initial_port["name"])
port.setPortNumber(initial_port["port_number"])
if "id" in initial_port:
port.setId(initial_port["id"])
port.setStatus(EthernetPort.started)
port.setPacketCaptureSupported(True)
self._ports.append(port)
self._settings["ports"][port.portNumber()] = {"type": initial_port["type"],
"vlan": initial_port["vlan"]}
params = {"name": name}
self._server.send_message("dynamips.ethsw.create", params, self._setupCallback)
def update(self, new_settings):
"""
Updates the settings for this Ethernet switch.
:param new_settings: settings dictionary
"""
updated = False
params = {}
if "ports" in new_settings:
ports_to_update = {}
ports = new_settings["ports"]
for port_number in ports.keys():
if port_number in self._settings["ports"]:
if self._settings["ports"][port_number] != ports[
port_number]:
for port in self._ports:
if port.portNumber(
) == port_number and not port.isFree():
ports_to_update[port_number] = ports[
port_number]
break
continue
port = EthernetPort(str(port_number))
port.setPortNumber(port_number)
port.setStatus(EthernetPort.started)
port.setPacketCaptureSupported(True)
self._ports.append(port)
updated = True
log.debug("port {} has been added".format(port_number))
if ports_to_update:
params["ports"] = []
for port_number, info in ports_to_update.items():
info["port"] = port_number
params["ports"].append(info)
updated = True
# delete ports that are not configured
for port_number in self._settings["ports"].keys():
if port_number not in new_settings["ports"]:
for port in self._ports.copy():
if port.portNumber() == port_number:
self._ports.remove(port)
log.debug("port {} has been removed".format(
port.name()))
break
self._settings["ports"] = new_settings["ports"].copy()
if "name" in new_settings and new_settings["name"] != self.name():
if self.hasAllocatedName(new_settings["name"]):
self.error_signal.emit(
self.id(),
'Name "{}" is already used by another node'.format(
new_settings["name"]))
return
params["name"] = new_settings["name"]
updated = True
if updated:
log.debug("{} is being updated: {}".format(self.name(), params))
self.httpPut("/dynamips/devices/{device_id}".format(
device_id=self._device_id),
self._updateCallback,
body=params)
else:
log.info("{} has been updated".format(self.name()))
self.updated_signal.emit()