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#!/usr/bin/lua
--[[
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Part of AREDN -- Used for creating Amateur Radio Emergency Data Networks
Copyright (C) 2022 Tim Wilkinson
See Contributors file for additional contributors
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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 version 3 of the License.
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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.
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You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
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Additional Terms:
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Additional use restrictions exist on the AREDN(TM) trademark and logo.
See AREDNLicense.txt for more info.
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Attributions to the AREDN Project must be retained in the source code.
If importing this code into a new or existing project attribution
to the AREDN project must be added to the source code.
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You must not misrepresent the origin of the material contained within.
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Modified versions must be modified to attribute to the original source
and be marked in reasonable ways as differentiate it from the original
version
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--]]
require("uci")
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require("nixio")
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require("aredn.utils")
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local info = require("aredn.info")
local node = info.get_nvram("node")
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local q = os.getenv("QUERY_STRING") or ""
local server = q:match("server=([^&]*)")
local protocol = q:match("protocol=([^&]*)") or "tcp"
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local kill = q:match("kill=1") and true or false
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print "Content-type: text/html\r"
print "Cache-Control: no-store\r"
print("Access-Control-Allow-Origin: *\r")
print("\r")
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if uci.cursor():get("aredn", "@iperf[0]", "enable") == "0" then
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print("<html><head><title>CLIENT DISABLED</title></head><body><pre>iperf is disabled</pre></body></html>")
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elseif not server then
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print("<html><head><title>ERROR</title></head><body><pre>Provide a server name to run a test between this client and a server [/cgi-bin/iperf?server=<ServerName>&protocol=<udp|tcp>]</pre></body></html>")
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elseif server:match("[^%w%-%.]") then
print("<html><head><title>ERROR</title></head><body><pre>Illegal server name</pre></body></html>")
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else
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if server == "" then
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-- iperf server
if kill then
os.execute("/usr/bin/killall -9 iperf3 > /dev/null 2>&1")
else
if io.popen("/bin/pidof iperf3"):read("*a") ~= "" then
print("<html><head><title>BUSY</title></head><body><pre>iperf server busy</pre></body></html>")
return
end
end
local first = true
local running = io.popen("/usr/bin/iperf3 -s -1 --idle-timeout 20 --forceflush -B 0.0.0.0")
if not running then
print("<html><head><title>SERVER ERROR</title></head><body><pre>iperf server failed to start</pre></body></html>")
return
end
running:read("*l")
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print("<html><head><title>RUNNING</title></head><body><pre>iperf server running</pre></body></html>")
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io.flush()
return
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else
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-- iperf client
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if not server:match("%.") then
server = server .. ".local.mesh"
end
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local ip = iplookup(server)
if not ip then
print("<html><head><title>SERVER ERROR</title></head><body><pre>iperf no such server</pre></body></html>")
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else
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local remote = io.popen("/usr/bin/wget -O - 'http://" .. ip .. ":8080/cgi-bin/iperf?" .. (kill and "kill=1&" or "") .. "server=' 2>&1")
if not remote then
print("<html><head><title>CLIENT ERROR</title></head><body><pre>iperf failed to call remote server</pre></body></html>")
return
end
while true
do
local line = remote:read("*l")
if not line then
print("<html><head><title>ERROR</title></head><body><pre>iperf unknown error</pre></body></html>")
break
elseif line:match("CLIENT DISABLED") then
print("<html><head><title>SERVER DISABLED</title></head><body><pre>iperf server is disabled</pre></body></html>")
break
elseif line:match("BUSY") then
print("<html><head><title>SERVER BUSY</title></head><body><pre>iperf server is busy</pre></body></html>")
break
elseif line:match("ERROR") then
print("<html><head><title>SERVER ERROR</title></head><body><pre>iperf server error</pre></body></html>")
break
elseif line:match("RUNNING") then
local running = io.popen("/usr/bin/iperf3 --forceflush --rcv-timeout 20000 -b 0 -Z -c " .. ip .. (protocol == "udp" and " -u" or "") .. " -l 16K 2>&1")
if not running then
print("<html><head><title>CLIENT ERROR</title></head><body><pre>iperf client failed</pre></body></html>")
break
end
print("<html><head><title>SUCCESS</title></head>")
io.flush()
print("<body><pre>Client: " .. node .. "\nServer: " .. server .. "\n" .. running:read("*a") .. "</pre></body></html>")
break
end
end
remote:close()
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end
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end
end
