mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-27 09:18:09 +00:00
c91f876656
Move the file uploader template. UDP port allocation (removed the host). Minor changes with iouyap lookup and remote server project directory.
304 lines
10 KiB
Python
304 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2014 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import re
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from gns3server.modules import IModule
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from ..nodes.atm_switch import ATMSwitch
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from ..dynamips_error import DynamipsError
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import logging
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log = logging.getLogger(__name__)
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class ATMSW(object):
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@IModule.route("dynamips.atmsw.create")
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def atmsw_create(self, request):
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"""
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Creates a new ATM switch.
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Optional request parameters:
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- name (switch name)
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Response parameters:
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- id (switch identifier)
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- name (switch name)
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:param request: JSON request
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"""
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#TODO: JSON schema validation for the request
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name = None
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if request and "name" in request:
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name = request["name"]
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try:
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if not self._hypervisor_manager:
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self.start_hypervisor_manager()
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hypervisor = self._hypervisor_manager.allocate_hypervisor_for_simulated_device()
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atmsw = ATMSwitch(hypervisor, name)
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except DynamipsError as e:
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self.send_custom_error(str(e))
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return
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response = {"name": atmsw.name,
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"id": atmsw.id}
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self._atm_switches[atmsw.id] = atmsw
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self.send_response(response)
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@IModule.route("dynamips.atmsw.delete")
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def atmsw_delete(self, request):
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"""
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Deletes a ATM switch.
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Mandatory request parameters:
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- id (switch identifier)
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Response parameters:
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- same as original request
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:param request: JSON request
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"""
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if request == None:
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self.send_param_error()
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return
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#TODO: JSON schema validation for the request
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log.debug("received request {}".format(request))
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atmsw_id = request["id"]
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atmsw = self._atm_switches[atmsw_id]
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try:
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atmsw.delete()
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self._hypervisor_manager.unallocate_hypervisor_for_simulated_device(atmsw)
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del self._atm_switches[atmsw_id]
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except DynamipsError as e:
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self.send_custom_error(str(e))
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return
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self.send_response(request)
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@IModule.route("dynamips.atmsw.update")
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def atmsw_update(self, request):
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"""
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Updates a ATM switch.
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Mandatory request parameters:
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- id (switch identifier)
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Optional request parameters:
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- name (new switch name)
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Response parameters:
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- same as original request
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:param request: JSON request
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"""
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if request == None:
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self.send_param_error()
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return
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#TODO: JSON schema validation for the request
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log.debug("received request {}".format(request))
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atmsw_id = request["id"]
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atmsw = self._atm_switches[atmsw_id]
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# rename the switch if requested
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if "name" in request and atmsw.name != request["name"]:
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try:
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atmsw.name = request["name"]
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except DynamipsError as e:
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self.send_custom_error(str(e))
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return
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self.send_response(request)
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@IModule.route("dynamips.atmsw.allocate_udp_port")
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def atmsw_allocate_udp_port(self, request):
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"""
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Allocates a UDP port in order to create an UDP NIO for an
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ATM switch.
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Mandatory request parameters:
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- id (switch identifier)
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- port_id (port identifier)
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Response parameters:
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- port_id (port identifier)
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- lport (allocated local port)
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:param request: JSON request
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"""
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if request == None:
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self.send_param_error()
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return
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#TODO: JSON schema validation for the request
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log.debug("received request {}".format(request))
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atmsw_id = request["id"]
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atmsw = self._atm_switches[atmsw_id]
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try:
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# allocate a new UDP port
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response = self.allocate_udp_port(atmsw)
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except DynamipsError as e:
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self.send_custom_error(str(e))
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return
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response["port_id"] = request["port_id"]
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self.send_response(response)
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@IModule.route("dynamips.atmsw.add_nio")
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def atmsw_add_nio(self, request):
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"""
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Adds an NIO (Network Input/Output) for an ATM switch.
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Mandatory request parameters:
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- id (switch identifier)
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- port (port identifier)
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- port_id (port identifier)
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- mappings (VCs/VPs mapped to the port)
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- nio (nio type, one of the following)
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- "NIO_UDP"
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- lport (local port)
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- rhost (remote host)
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- rport (remote port)
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- "NIO_GenericEthernet"
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- ethernet_device (Ethernet device name e.g. eth0)
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- "NIO_LinuxEthernet"
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- ethernet_device (Ethernet device name e.g. eth0)
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- "NIO_TAP"
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- tap_device (TAP device name e.g. tap0)
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- "NIO_UNIX"
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- local_file (path to UNIX socket file)
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- remote_file (path to UNIX socket file)
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- "NIO_VDE"
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- control_file (path to VDE control file)
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- local_file (path to VDE local file)
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- "NIO_Null"
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Response parameters:
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- same as original request
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:param request: JSON request
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"""
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if request == None:
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self.send_param_error()
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return
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#TODO: JSON schema validation for the request
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log.debug("received request {}".format(request))
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atmsw_id = request["id"]
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atmsw = self._atm_switches[atmsw_id]
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port = request["port"]
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mappings = request["mappings"]
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try:
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nio = self.create_nio(atmsw, request)
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if not nio:
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raise DynamipsError("Requested NIO doesn't exist: {}".format(request["nio"]))
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except DynamipsError as e:
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self.send_custom_error(str(e))
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return
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try:
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atmsw.add_nio(nio, port)
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pvc_entry = re.compile(r"""^([0-9]*):([0-9]*):([0-9]*)$""")
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for source, destination in mappings.items():
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match_source_pvc = pvc_entry.search(source)
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match_destination_pvc = pvc_entry.search(destination)
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if match_source_pvc and match_destination_pvc:
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# add the virtual channels mapped with this port/nio
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source_port, source_vpi, source_vci = map(int, match_source_pvc.group(1, 2, 3))
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destination_port, destination_vpi, destination_vci = map(int, match_destination_pvc.group(1, 2, 3))
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if atmsw.has_port(destination_port):
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if (source_port, source_vpi, source_vci) not in atmsw.mapping and \
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(destination_port, destination_vpi, destination_vci) not in atmsw.mapping:
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atmsw.map_pvc(source_port, source_vpi, source_vci, destination_port, destination_vpi, destination_vci)
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atmsw.map_pvc(destination_port, destination_vpi, destination_vci, source_port, source_vpi, source_vci)
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else:
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# add the virtual paths mapped with this port/nio
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source_port, source_vpi = map(int, source.split(':'))
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destination_port, destination_vpi = map(int, destination.split(':'))
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if atmsw.has_port(destination_port):
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if (source_port, source_vpi) not in atmsw.mapping and (destination_port, destination_vpi) not in atmsw.mapping:
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atmsw.map_vp(source_port, source_vpi, destination_port, destination_vpi)
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atmsw.map_vp(destination_port, destination_vpi, source_port, source_vpi)
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except DynamipsError as e:
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self.send_custom_error(str(e))
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return
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# for now send back the original request
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self.send_response(request)
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@IModule.route("dynamips.atmsw.delete_nio")
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def atmsw_delete_nio(self, request):
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"""
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Deletes an NIO (Network Input/Output).
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Mandatory request parameters:
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- id (switch identifier)
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- port (port identifier)
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Response parameters:
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- same as original request
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:param request: JSON request
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"""
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if request == None:
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self.send_param_error()
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return
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#TODO: JSON schema validation for the request
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log.debug("received request {}".format(request))
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atmsw_id = request["id"]
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atmsw = self._atm_switches[atmsw_id]
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port = request["port"]
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try:
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for source, destination in atmsw.mapping.copy().items():
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if len(source) == 3 and len(destination) == 3:
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# remove the virtual channels mapped with this port/nio
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source_port, source_vpi, source_vci = source
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destination_port, destination_vpi, destination_vci = destination
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if port == source_port:
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atmsw.unmap_pvc(source_port, source_vpi, source_vci, destination_port, destination_vpi, destination_vci)
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atmsw.unmap_pvc(destination_port, destination_vpi, destination_vci, source_port, source_vpi, source_vci)
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else:
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# remove the virtual paths mapped with this port/nio
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source_port, source_vpi = source
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destination_port, destination_vpi = destination
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if port == source_port:
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atmsw.unmap_vp(source_port, source_vpi, destination_port, destination_vpi)
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atmsw.unmap_vp(destination_port, destination_vpi, source_port, source_vpi)
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nio = atmsw.remove_nio(port)
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nio.delete()
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except DynamipsError as e:
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self.send_custom_error(str(e))
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return
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# for now send back the original request
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self.send_response(request)
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