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Refactor how clients access PCAP capture files. Fixes https://github.com/GNS3/gns3-gui/issues/2438.

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* The PCAP file is directly accessed if controller and client are on the same host.
* The PCAP file is streamed from the compute server to the client with the controller as a proxy when the controller is remote for the client.
This commit is contained in:
grossmj
2018-10-27 14:47:17 +07:00
parent bf1b801cc0
commit 2764828f38
47 changed files with 1071 additions and 473 deletions
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34
gns3server/handlers/api/compute/traceng_handler.py
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@ -261,15 +261,16 @@ class TraceNGHandler:
},
input=NIO_SCHEMA,
output=NIO_SCHEMA,
description="Update a NIO from a TraceNG instance")
description="Update a NIO on a TraceNG instance")
async def update_nio(request, response):
traceng_manager = TraceNG.instance()
vm = traceng_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
nio = vm.ethernet_adapter.get_nio(int(request.match_info["port_number"]))
if "filters" in request.json and nio:
port_number = int(request.match_info["port_number"])
nio = vm.get_nio(port_number)
if "filters" in request.json:
nio.filters = request.json["filters"]
await vm.port_update_nio_binding(int(request.match_info["port_number"]), nio)
await vm.port_update_nio_binding(port_number, nio)
response.set_status(201)
response.json(request.json)
@ -291,7 +292,8 @@ class TraceNGHandler:
traceng_manager = TraceNG.instance()
vm = traceng_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
await vm.port_remove_nio_binding(int(request.match_info["port_number"]))
port_number = int(request.match_info["port_number"])
await vm.port_remove_nio_binding(port_number)
response.set_status(204)
@Route.post(
@ -339,3 +341,25 @@ class TraceNGHandler:
port_number = int(request.match_info["port_number"])
await vm.stop_capture(port_number)
response.set_status(204)
@Route.get(
r"/projects/{project_id}/traceng/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/pcap",
description="Stream the pcap capture file",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID",
"adapter_number": "Adapter to steam a packet capture",
"port_number": "Port on the adapter"
},
status_codes={
200: "File returned",
403: "Permission denied",
404: "The file doesn't exist"
})
async def stream_pcap_file(request, response):
traceng_manager = TraceNG.instance()
vm = traceng_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
port_number = int(request.match_info["port_number"])
nio = vm.get_nio(port_number)
await traceng_manager.stream_pcap_file(nio, vm.project.id, request, response)