# -*- coding: utf-8 -*- # # Copyright (C) 2020 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 . """ API routes for Ethernet hub nodes. """ import os from fastapi import APIRouter, Depends, Body, status from fastapi.encoders import jsonable_encoder from fastapi.responses import StreamingResponse from uuid import UUID from gns3server.compute.dynamips import Dynamips from gns3server.compute.dynamips.nodes.ethernet_hub import EthernetHub from gns3server import schemas responses = { 404: {"model": schemas.ErrorMessage, "description": "Could not find project or Ethernet hub node"} } router = APIRouter(responses=responses) def dep_node(project_id: UUID, node_id: UUID): """ Dependency to retrieve a node. """ dynamips_manager = Dynamips.instance() node = dynamips_manager.get_node(str(node_id), project_id=str(project_id)) return node @router.post("", response_model=schemas.EthernetHub, status_code=status.HTTP_201_CREATED, responses={409: {"model": schemas.ErrorMessage, "description": "Could not create Ethernet hub node"}}) async def create_ethernet_hub(project_id: UUID, node_data: schemas.EthernetHubCreate): """ Create a new Ethernet hub. """ # Use the Dynamips Ethernet hub to simulate this node dynamips_manager = Dynamips.instance() node_data = jsonable_encoder(node_data, exclude_unset=True) node = await dynamips_manager.create_node(node_data.pop("name"), str(project_id), node_data.get("node_id"), node_type="ethernet_hub", ports=node_data.get("ports_mapping")) return node.__json__() @router.get("/{node_id}", response_model=schemas.EthernetHub) def get_ethernet_hub(node: EthernetHub = Depends(dep_node)): """ Return an Ethernet hub. """ return node.__json__() @router.post("/{node_id}/duplicate", response_model=schemas.EthernetHub, status_code=status.HTTP_201_CREATED) async def duplicate_ethernet_hub(destination_node_id: UUID = Body(..., embed=True), node: EthernetHub = Depends(dep_node)): """ Duplicate an Ethernet hub. """ new_node = await Dynamips.instance().duplicate_node(node.id, str(destination_node_id)) return new_node.__json__() @router.put("/{node_id}", response_model=schemas.EthernetHub) async def update_ethernet_hub(node_data: schemas.EthernetHubUpdate, node: EthernetHub = Depends(dep_node)): """ Update an Ethernet hub. """ node_data = jsonable_encoder(node_data, exclude_unset=True) if "name" in node_data and node.name != node_data["name"]: await node.set_name(node_data["name"]) if "ports_mapping" in node_data: node.ports_mapping = node_data["ports_mapping"] node.updated() return node.__json__() @router.delete("/{node_id}", status_code=status.HTTP_204_NO_CONTENT) async def delete_ethernet_hub(node: EthernetHub = Depends(dep_node)): """ Delete an Ethernet hub. """ await Dynamips.instance().delete_node(node.id) @router.post("/{node_id}/start", status_code=status.HTTP_204_NO_CONTENT) def start_ethernet_hub(node: EthernetHub = Depends(dep_node)): """ Start an Ethernet hub. This endpoint results in no action since Ethernet hub nodes are always on. """ pass @router.post("/{node_id}/stop", status_code=status.HTTP_204_NO_CONTENT) def stop_ethernet_hub(node: EthernetHub = Depends(dep_node)): """ Stop an Ethernet hub. This endpoint results in no action since Ethernet hub nodes are always on. """ pass @router.post("/{node_id}/suspend", status_code=status.HTTP_204_NO_CONTENT) def suspend_ethernet_hub(node: EthernetHub = Depends(dep_node)): """ Suspend an Ethernet hub. This endpoint results in no action since Ethernet hub nodes are always on. """ pass @router.post("/{node_id}/adapters/{adapter_number}/ports/{port_number}/nio", status_code=status.HTTP_201_CREATED, response_model=schemas.UDPNIO) async def create_nio(adapter_number: int, port_number: int, nio_data: schemas.UDPNIO, node: EthernetHub = Depends(dep_node)): """ Add a NIO (Network Input/Output) to the node. The adapter number on the hub is always 0. """ nio = await Dynamips.instance().create_nio(node, jsonable_encoder(nio_data, exclude_unset=True)) await node.add_nio(nio, port_number) return nio.__json__() @router.delete("/{node_id}/adapters/{adapter_number}/ports/{port_number}/nio", status_code=status.HTTP_204_NO_CONTENT) async def delete_nio(adapter_number: int, port_number: int, node: EthernetHub = Depends(dep_node)): """ Delete a NIO (Network Input/Output) from the node. The adapter number on the hub is always 0. """ nio = await node.remove_nio(port_number) await nio.delete() @router.post("/{node_id}/adapters/{adapter_number}/ports/{port_number}/capture/start") async def start_capture(adapter_number: int, port_number: int, node_capture_data: schemas.NodeCapture, node: EthernetHub = Depends(dep_node)): """ Start a packet capture on the node. The adapter number on the hub is always 0. """ pcap_file_path = os.path.join(node.project.capture_working_directory(), node_capture_data.capture_file_name) await node.start_capture(port_number, pcap_file_path, node_capture_data.data_link_type) return {"pcap_file_path": pcap_file_path} @router.post("/{node_id}/adapters/{adapter_number}/ports/{port_number}/capture/stop", status_code=status.HTTP_204_NO_CONTENT) async def stop_capture(adapter_number: int, port_number: int, node: EthernetHub = Depends(dep_node)): """ Stop a packet capture on the node. The adapter number on the hub is always 0. """ await node.stop_capture(port_number) @router.get("/{node_id}/adapters/{adapter_number}/ports/{port_number}/capture/stream") async def stream_pcap_file(adapter_number: int, port_number: int, node: EthernetHub = Depends(dep_node)): """ Stream the pcap capture file. The adapter number on the hub is always 0. """ nio = node.get_nio(port_number) stream = Dynamips.instance().stream_pcap_file(nio, node.project.id) return StreamingResponse(stream, media_type="application/vnd.tcpdump.pcap")