VLAN trunk test and NAT test

This commit is contained in:
Eishun Kondoh 2017-12-01 20:51:43 +09:00
parent 49d40bf2c0
commit 9b7fb2dc96
5 changed files with 112 additions and 29 deletions

View file

@ -5,15 +5,16 @@ use Mix.Config
config :heckle,
vlan_tagging: true,
vlan_id: 123,
vlan_trunk: "1",
access_port1: "3",
access_port2: "4",
receiver_mac: "00000000000f",
receiver_ip: {8,8,8,8},
sender_mac: "001122334455",
inside_local: {192,168,5,10},
outside_local: {192,168,255,1},
flow_pattern: :bum # :nat || :bum
vlan_trunk1: "1",
vlan_trunk2: "4",
access_port1: "2",
access_port2: "3",
receiver_mac: "1a2c3d0e0191",
receiver_ip: {192,168,123,1},
sender_mac: "cec9bd531dfc",
inside_local: {192,168,11,1},
outside_local: {192,168,123,2},
flow_pattern: :nat # :nat || :bum
config :tres,
protocol: :tcp,
@ -24,7 +25,7 @@ config :tres,
callback_args: ["0002b05ada98d790"]
config :logger,
level: :debug,
level: :info,
format: "$date $time [$level] $metadata$message\n",
metadata: [:application],
handle_otp_reports: true

View file

@ -14,10 +14,12 @@ defmodule Heckle.Controller do
conn_ref: nil,
access_port1_name: nil,
access_port2_name: nil,
trunk_port_name: nil,
trunk_port1_name: nil,
trunk_port2_name: nil,
access_port1: nil,
access_port2: nil,
trunk_port: nil,
trunk_port1: nil,
trunk_port2: nil,
vlan_tagging: nil,
vlan_id: nil,
receiver_mac: nil,
@ -44,6 +46,8 @@ defmodule Heckle.Controller do
end
def handle_cast(:send_flows, state) do
:ok = print_flows(state)
state
|> FlowPatterns.flows
|> Enum.each(&send_flow_mod_add(state.dpid, &1))
@ -67,13 +71,31 @@ defmodule Heckle.Controller do
:ok = GenServer.cast(self(), :send_flows)
{:noreply, state}
end
def handle_info(%Flow.Reply{flows: flows}, state) do
for flow <- flows do
:ok = info(
"table_id: #{flow.table_id} " <>
"pkt_count: #{flow.packet_count} "<>
"byt_count: #{flow.byte_count} "<>
"match: #{inspect(flow.match)} "<>
"insts: #{inspect(flow.instructions)} "
)
end
{:noreply, state}
end
def handle_info(%PortDesc.Reply{ports: ports}, state) do
info("Received Port Desc")
access_port1 = Enum.find(ports, fn(port) -> port.name == state.access_port1_name end)
access_port2 = Enum.find(ports, fn(port) -> port.name == state.access_port2_name end)
trunk_port = Enum.find(ports, fn(port) -> port.name == state.trunk_port_name end)
trunk_port1 = Enum.find(ports, fn(port) -> port.name == state.trunk_port1_name end)
trunk_port2 = Enum.find(ports, fn(port) -> port.name == state.trunk_port2_name end)
:ok = desc_stats_request(state.dpid)
{:noreply, %{state|access_port1: access_port1, access_port2: access_port2, trunk_port: trunk_port}}
{:noreply, %{state|
access_port1: access_port1,
access_port2: access_port2,
trunk_port1: trunk_port1,
trunk_port2: trunk_port2}
}
end
def handle_info(%ErrorMsg{code: code, type: type, data: data, xid: xid}, state) do
:ok = warn("Request Failed(xid: #{xid}):"<>
@ -83,11 +105,18 @@ defmodule Heckle.Controller do
" dpid: #{inspect(state.dpid)}")
{:stop, :request_failed, state}
end
def handle_info(%PacketIn{data: data}, state) do
:ok = warn("Table miss occured:"<>
" data: #{inspect(:pkt.decapsulate(data))}"<>
" dpid: #{inspect(state.dpid)}")
{:noreply, state}
end
def handle_info({:'DOWN', ref, :process, _pid, _reason}, %State{conn_ref: ref} = state) do
:ok = debug("Switch Disconnected: dpid: #{inspect(state.dpid)}")
{:stop, :normal, state}
end
def handle_info(_info, state) do
def handle_info(info, state) do
:ok = info("Unhandled message: #{inspect(info)}")
{:noreply, state}
end
@ -101,7 +130,8 @@ defmodule Heckle.Controller do
conn_ref: conn_ref,
access_port1_name: config[:access_port1],
access_port2_name: config[:access_port2],
trunk_port_name: config[:vlan_trunk],
trunk_port1_name: config[:vlan_trunk1],
trunk_port2_name: config[:vlan_trunk2],
vlan_tagging: config[:vlan_tagging] || true,
vlan_id: 0x1000 ||| (config[:vlan_id] || 0),
receiver_mac: config[:receiver_mac],
@ -130,4 +160,42 @@ defmodule Heckle.Controller do
defp set_config(dpid) do
:ok = send_message(SetConfig.new(miss_send_len: :no_buffer), dpid)
end
defp print_flows(state) do
state
|> FlowPatterns.flows
|> Enum.each(&print_flow/1)
end
defp print_flow(flow_opts) do
flow_opts
|> FlowMod.new
|> Openflow.to_binary
|> binary_to_space_delimited_hex
|> ofp_print_cmd
|> Logger.info
end
defp ofp_print_cmd(print_args) do
{result, _code} = System.cmd("ovs-ofctl", ["ofp-print", "#{print_args}"])
result
end
defp binary_to_space_delimited_hex(binary) do
binary
|> split_to_hex_string
|> Enum.join(" ")
|> String.downcase
end
defp split_to_hex_string(binary) do
for <<int <- binary>>, do: integer_to_hex(int)
end
defp integer_to_hex(int) do
case Integer.to_string(int, 16) do
<<d>> -> <<48, d>>
dd -> dd
end
end
end

View file

@ -19,7 +19,7 @@ defmodule Heckle.FlowPatterns do
ApplyActions.new([
SetField.new({:eth_dst, state.receiver_mac}),
SetField.new({:ipv4_src, state.outside_local}),
Output.new(state.trunk_port.number)
Output.new(state.trunk_port2.number)
])]
],
[table_id: 1,
@ -29,12 +29,15 @@ defmodule Heckle.FlowPatterns do
eth_dst: state.sender_mac,
eth_src: state.receiver_mac,
eth_type: 0x0800,
vlan_vid: 123,
ipv4_src: state.receiver_ip,
ipv4_dst: state.outside_local
),
instructions: [
ApplyActions.new([
PopVlan.new,
SetField.new({:eth_src, state.receiver_mac}),
SetField.new({:eth_dst, state.sender_mac}),
SetField.new({:ipv4_dst, state.inside_local}),
Output.new(state.access_port1.number)
])]
@ -51,7 +54,7 @@ defmodule Heckle.FlowPatterns do
),
instructions: [
ApplyActions.new([
Openflow.Action.Output.new(state.trunk_port.number),
Openflow.Action.Output.new(state.trunk_port1.number),
Openflow.Action.PopVlan.new,
Openflow.Action.Output.new(state.access_port1.number),
Openflow.Action.Output.new(state.access_port2.number)
@ -67,23 +70,26 @@ defmodule Heckle.FlowPatterns do
priority: 50,
cookie: 0x1000000000000001,
match: Match.new(
in_port: state.trunk_port.number,
in_port: state.trunk_port1.number,
vlan_vid: state.vlan_id
),
instructions: [
ApplyActions.new([
PushVlan.new,
SetField.new({:vlan_vid, state.vlan_id})
]),
GotoTable.new(1)
]
instructions: [GotoTable.new(1)]
],
[table_id: 0,
priority: 50,
cookie: 0x1000000000000001,
match: Match.new(
in_port: state.trunk_port2.number,
vlan_vid: state.vlan_id
),
instructions: [GotoTable.new(1)]
],
[table_id: 0,
priority: 20,
cookie: 0x1000000000000001,
match: Match.new(
in_port: state.access_port1.number,
eth_src: state.sender_mac
eth_src: state.sender_mac,
),
instructions: [
ApplyActions.new([
@ -98,7 +104,7 @@ defmodule Heckle.FlowPatterns do
cookie: 0x1000000000000001,
match: Match.new(
in_port: state.access_port2.number,
eth_src: state.sender_mac
eth_src: state.sender_mac,
),
instructions: [
ApplyActions.new([
@ -108,6 +114,12 @@ defmodule Heckle.FlowPatterns do
GotoTable.new(1)
]
],
[table_id: 0,
priority: 1,
match: Match.new,
cookie: 0x1000000000000001,
instructions: [ApplyActions.new(Output.new(:controller))]
],
]
end
end

View file

@ -17,6 +17,7 @@ defmodule Heckle.Mixfile do
end
defp deps do
[{:tres, path: @tres_path}]
[{:tres, path: @tres_path},
{:pkt, github: "msantos/pkt", branch: "master"}]
end
end

View file

@ -1,5 +1,6 @@
%{"binpp": {:git, "https://github.com/jtendo/binpp.git", "64bd68d215d1a6cd35871e7c134d7fe2e46214ea", [branch: "master"]},
"eovsdb": {:git, "https://github.com/shun159/eovsdb.git", "1ff1572708d72fd25631c681f2102407903252a3", [branch: "master"]},
"jsone": {:git, "https://github.com/sile/jsone.git", "eecc9666c7165e1870b78a7a762549ae8d1c391b", [tag: "1.2.1"]},
"pkt": {:git, "https://github.com/msantos/pkt.git", "3afb1967f34324c1dec5035a6e36232da815c2e6", [branch: "master"]},
"ranch": {:hex, :ranch, "1.4.0", "10272f95da79340fa7e8774ba7930b901713d272905d0012b06ca6d994f8826b", [], [], "hexpm"},
"uuid": {:git, "https://github.com/avtobiff/erlang-uuid.git", "585c2474afb4a597ae8c8bf6d21e5a9c73f18e0b", [tag: "v0.5.0"]}}