mirror of https://github.com/aredn/aredn.git
More LQM quality tracking improvements. (#1196)
This commit is contained in:
Tim Wilkinson
GitHub
parent
2454accbb5
commit
7c4892d23f
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@ -224,6 +224,10 @@ function av(c, f, n, o)
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end
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end
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function round(v)
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return math.floor(v + 0.5)
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end
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-- Canonical hostname
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function canonical_hostname(hostname)
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return hostname and hostname:lower():gsub("^dtdlink%.",""):gsub("^mid%d+%.",""):gsub("^xlink%d+%.",""):gsub("%.local%.mesh$", "")
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@ -344,7 +348,7 @@ function lqm()
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local station = {}
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local cnoise = iwinfo.nl80211.noise(wlan)
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if cnoise and cnoise < -70 then
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noise = math.ceil(noise * 0.9 + cnoise * 0.1)
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noise = round(noise * 0.9 + cnoise * 0.1)
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end
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for line in io.popen(IW .. " " .. wlan .. " station dump"):lines()
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do
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@ -538,7 +542,7 @@ function lqm()
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-- Running average SNR
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if station.signal and station.noise then
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track.snr = math.ceil(av(track.snr, snr_run_avg, station.signal - station.noise, 0))
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track.snr = round(av(track.snr, snr_run_avg, station.signal - station.noise, 0))
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end
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-- Running average estimate of link quality
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@ -546,16 +550,13 @@ function lqm()
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local tx_retries = station.tx_retries
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local tx_fail = station.tx_fail
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local tx_total = (tx or 0) + (tx_fail or 0) + (tx_retries or 0)
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local tx_last_total = (track.tx or 0) + (track.tx_fail or 0) + (track.tx_retries or 0)
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if tx_total >= tx_last_total + quality_min_packets then
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if tx and track.tx and tx >= track.tx + quality_min_packets then
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track.avg_tx = av(track.avg_tx, tx_quality_run_avg, tx, track.tx)
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track.avg_tx_retries = av(track.avg_tx_retries, tx_quality_run_avg, tx_retries, track.tx_retries)
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track.avg_tx_fail = av(track.avg_tx_fail, tx_quality_run_avg, tx_fail, track.tx_fail)
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local tx_quality = 100 * ((tx or 0) - (track.tx or 0) / (tx_total - tx_last_total))
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track.tx_quality = math.min(100, math.max(0, math.ceil(tx_quality_run_avg * (track.tx_quality or 100) + (1 - tx_quality_run_avg) * tx_quality)))
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local bad = math.max((track.avg_tx_fail or 0), (track.avg_tx_retries or 0))
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track.tx_quality = 100 * (1 - math.min(1, math.max(track.avg_tx > 0 and bad / track.avg_tx or 0, 0)))
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end
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track.tx = tx
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@ -635,7 +636,7 @@ function lqm()
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}
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end
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if myhostname == rhostname then
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track.rev_snr = (track.rev_snr and rtrack.snr) and math.ceil(snr_run_avg * track.rev_snr + (1 - snr_run_avg) * rtrack.snr) or rtrack.snr
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track.rev_snr = (track.rev_snr and rtrack.snr) and round(snr_run_avg * track.rev_snr + (1 - snr_run_avg) * rtrack.snr) or rtrack.snr
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end
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end
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end
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@ -662,7 +663,7 @@ function lqm()
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dtdlinks[track.mac][rhostname] = true
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elseif link.linkType == "RF" and link.signal and link.noise and myhostname == rhostname then
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local snr = link.signal - link.noise
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track.rev_snr = track.rev_snr and math.ceil(snr_run_avg * track.rev_snr + (1 - snr_run_avg) * snr) or snr
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track.rev_snr = track.rev_snr and round(snr_run_avg * track.rev_snr + (1 - snr_run_avg) * snr) or snr
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end
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end
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end
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@ -675,7 +676,7 @@ function lqm()
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-- Update avg snr using both ends (if we have them)
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if track.snr then
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if track.rev_snr then
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track.avg_snr = math.ceil((track.snr + track.rev_snr) / 2)
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track.avg_snr = round((track.snr + track.rev_snr) / 2)
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else
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track.avg_snr = track.snr
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end
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@ -709,7 +710,7 @@ function lqm()
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-- For devices which support ARP, send an ARP request and wait for a reply. This avoids the other ends routing
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-- table and firewall messing up the response packet.
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local pstart = socket.gettime(0)
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if os.execute(ARPING .. " -q -c 1 -D -w " .. math.ceil(ping_timeout) .. " -I " .. track.device .. " " .. track.ip) == 0 then
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if os.execute(ARPING .. " -q -c 1 -D -w " .. round(ping_timeout) .. " -I " .. track.device .. " " .. track.ip) == 0 then
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-- Failure
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success = 0
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end
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@ -718,13 +719,13 @@ function lqm()
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wait_for_ticks(0)
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local ping_loss_run_avg = config.ping_penalty / 100
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track.ping_quality = (track.ping_quality or 100) - ping_loss_run_avg
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track.ping_quality = track.ping_quality and (track.ping_quality + 1) or 100
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if success > 0 then
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track.ping_success_time = track.ping_success_time and (track.ping_success_time * ping_time_run_avg + ptime * (1 - ping_time_run_avg)) or ptime
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track.ping_quality = track.ping_quality + ping_loss_run_avg
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else
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track.ping_quality = track.ping_quality - config.ping_penalty
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end
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track.ping_quality = math.ceil(track.ping_quality)
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track.ping_quality = math.max(0, math.min(100, track.ping_quality))
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if success == 0 and track.type == "DtD" and track.firstseen == now then
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-- If local ping immediately fail, ditch this tracker. This can happen sometimes when we
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-- find arp entries which aren't valid.
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@ -738,16 +739,15 @@ function lqm()
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-- Calculate overall link quality
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if track.tx_quality then
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if track.ping_quality then
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track.quality = math.ceil((track.tx_quality + track.ping_quality) / 2)
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track.quality = round((track.tx_quality + track.ping_quality) / 2)
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else
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track.quality = track.tx_quality
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track.quality = round(track.tx_quality)
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end
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elseif track.ping_quality then
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track.quality = track.ping_quality
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track.quality = round(track.ping_quality)
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else
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track.quality = nil
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end
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end
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--
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@ -862,7 +862,7 @@ function lqm()
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for _, track2 in pairs(tracker)
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do
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if track ~= track2 and track2.hostname and not should_nonpair_block(track2) then
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if dtdlinks[track.mac][track2.hostname] then
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if dtdlinks[track.mac] and dtdlinks[track.mac][track2.hostname] then
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if not (track.lat and track.lon and track2.lat and track2.lon) or calc_distance(track.lat, track.lon, track2.lat, track2.lon) < dtd_distance then
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tracklist[#tracklist + 1] = track2
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end
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@ -1008,7 +1008,7 @@ function lqm()
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if f then
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for _, track in pairs(tracker)
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do
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if track.device == wlan and not track.blocked then
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if track.device == wlan and is_connected(track) and not track.blocked then
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f:write(track.mac .. "\n")
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end
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end
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@ -862,7 +862,7 @@ do
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elseif track.blocks.dup then
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c1 = c1 .. " <small>(" .. type .. "blocked dup)</small>"
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elseif track.blocks.quality then
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if track.tx_quality < track.ping_quality then
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if not track.ping_quality or track.tx_quality < track.ping_quality then
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c1 = c1 .. " <small>(" .. type .. "blocked retries)</small>"
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else
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c1 = c1 .. " <small>(" .. type .. "blocked latency)</small>"
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