# -*- coding: utf-8 -*- # # Copyright (C) 2014 GNS3 Technologies Inc. # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . from gns3server.modules import IModule from ..nodes.hub import Hub from ..dynamips_error import DynamipsError import logging log = logging.getLogger(__name__) class ETHHUB(object): @IModule.route("dynamips.ethhub.create") def ethhub_create(self, request): """ Creates a new Ethernet hub. Optional request parameters: - name (hub name) Response parameters: - id (hub identifier) - name (hub name) :param request: JSON request """ #TODO: JSON schema validation for the request name = None if request and "name" in request: name = request["name"] try: if not self._hypervisor_manager: self.start_hypervisor_manager() hypervisor = self._hypervisor_manager.allocate_hypervisor_for_simulated_device() ethhub = Hub(hypervisor, name) except DynamipsError as e: self.send_custom_error(str(e)) return response = {"name": ethhub.name, "id": ethhub.id} self._ethernet_hubs[ethhub.id] = ethhub self.send_response(response) @IModule.route("dynamips.ethhub.delete") def ethhub_delete(self, request): """ Deletes a Ethernet hub. Mandatory request parameters: - id (hub identifier) Response parameters: - same as original request :param request: JSON request """ if request == None: self.send_param_error() return #TODO: JSON schema validation for the request log.debug("received request {}".format(request)) ethhub_id = request["id"] if ethhub_id not in self._ethernet_hubs: self.send_custom_error("Ethernet hub id {} doesn't exist".format(ethhub_id)) return ethhub = self._ethernet_hubs[ethhub_id] try: ethhub.delete() self._hypervisor_manager.unallocate_hypervisor_for_simulated_device(ethhub) del self._ethernet_hubs[ethhub_id] except DynamipsError as e: self.send_custom_error(str(e)) return self.send_response(request) @IModule.route("dynamips.ethhub.update") def ethhub_update(self, request): """ Updates a Ethernet hub. Mandatory request parameters: - id (hub identifier) Optional request parameters: - name (new hub name) Response parameters: - same as original request :param request: JSON request """ if request == None: self.send_param_error() return #TODO: JSON schema validation for the request log.debug("received request {}".format(request)) ethhub_id = request["id"] if ethhub_id not in self._ethernet_hubs: self.send_custom_error("Ethernet hub id {} doesn't exist".format(ethhub_id)) return ethhub = self._ethernet_hubs[ethhub_id] # rename the hub if requested if "name" in request and ethhub.name != request["name"]: try: ethhub.name = request["name"] except DynamipsError as e: self.send_custom_error(str(e)) return self.send_response(request) @IModule.route("dynamips.ethhub.allocate_udp_port") def ethhub_allocate_udp_port(self, request): """ Allocates a UDP port in order to create an UDP NIO for an Ethernet hub. Mandatory request parameters: - id (hub identifier) - port_id (port identifier) Response parameters: - port_id (port identifier) - lport (allocated local port) :param request: JSON request """ if request == None: self.send_param_error() return #TODO: JSON schema validation for the request log.debug("received request {}".format(request)) ethhub_id = request["id"] if ethhub_id not in self._ethernet_hubs: self.send_custom_error("Ethernet hub id {} doesn't exist".format(ethhub_id)) return ethhub = self._ethernet_hubs[ethhub_id] try: # allocate a new UDP port response = self.allocate_udp_port(ethhub) except DynamipsError as e: self.send_custom_error(str(e)) return response["port_id"] = request["port_id"] self.send_response(response) @IModule.route("dynamips.ethhub.add_nio") def ethhub_add_nio(self, request): """ Adds an NIO (Network Input/Output) for an Ethernet hub. Mandatory request parameters: - id (hub identifier) - port (port identifier) - port_id (port identifier) - nio (nio type, one of the following) - "NIO_UDP" - lport (local port) - rhost (remote host) - rport (remote port) - "NIO_GenericEthernet" - ethernet_device (Ethernet device name e.g. eth0) - "NIO_LinuxEthernet" - ethernet_device (Ethernet device name e.g. eth0) - "NIO_TAP" - tap_device (TAP device name e.g. tap0) - "NIO_UNIX" - local_file (path to UNIX socket file) - remote_file (path to UNIX socket file) - "NIO_VDE" - control_file (path to VDE control file) - local_file (path to VDE local file) - "NIO_Null" Response parameters: - same as original request :param request: JSON request """ if request == None: self.send_param_error() return #TODO: JSON schema validation for the request log.debug("received request {}".format(request)) ethhub_id = request["id"] if ethhub_id not in self._ethernet_hubs: self.send_custom_error("Ethernet hub id {} doesn't exist".format(ethhub_id)) return ethhub = self._ethernet_hubs[ethhub_id] port = request["port"] try: nio = self.create_nio(ethhub, request) if not nio: raise DynamipsError("Requested NIO doesn't exist: {}".format(request["nio"])) except DynamipsError as e: self.send_custom_error(str(e)) return try: ethhub.add_nio(nio, port) except DynamipsError as e: self.send_custom_error(str(e)) return # for now send back the original request self.send_response(request) @IModule.route("dynamips.ethhub.delete_nio") def ethsw_delete_nio(self, request): """ Deletes an NIO (Network Input/Output). Mandatory request parameters: - id (hub identifier) - port (port identifier) Response parameters: - same as original request :param request: JSON request """ if request == None: self.send_param_error() return #TODO: JSON schema validation for the request log.debug("received request {}".format(request)) ethhub_id = request["id"] if ethhub_id not in self._ethernet_hubs: self.send_custom_error("Ethernet hub id {} doesn't exist".format(ethhub_id)) return ethhub = self._ethernet_hubs[ethhub_id] port = request["port"] try: nio = ethhub.remove_nio(port) nio.delete() except DynamipsError as e: self.send_custom_error(str(e)) return # for now send back the original request self.send_response(request)