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Code Issues Releases Wiki Activity

Relib bugfixes

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Hopefully should just be in general *better* now
This commit is contained in:
20kdc 2017-03-18 21:44:50 +00:00
parent 3497708747
commit 1cd7d82e98
1 changed files with 27 additions and 11 deletions
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38
relib.lua
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@ -60,21 +60,22 @@ return function (hostname, transmit, onRReceive, time)
local port = data:byte(2) + (data:byte(1) * 256)
local tp = data:byte(7)
local globalId = data:sub(1, 5)
if tp == 0x00 then
onRReceive(nfrom, nto, port, data:sub(8), true)
return
end
if nto ~= node.hostname then return end
if (tp == 0x01) then
if (tp == 0x01) or (tp == 0x00) then
-- Only send one acknowledgement per packet,
-- but only receive the packet once.
-- (This is why timers are counted - to prevent the weAcked pool from getting too big.)
if not weAcked[nto .. globalId] then
onRReceive(nfrom, nto, port, data:sub(8), false)
onRReceive(nfrom, nto, port, data:sub(8), tp == 0x00)
else
killTimer(weAcked[nto .. globalId])
end
weAcked[nto .. globalId] = addTimer(function ()
weAcked[nto .. globalId] = nil
end, tuningClearAntiduplicate)
-- Check if this should actually be ACKed
if tp ~= 0x01 then return end
if nto ~= node.hostname then return end
node.output(nto, nfrom, data:sub(1, 6) .. "\x02")
end
if (tp == 0x02) and needsAck[nfrom .. globalId] then
@ -114,8 +115,12 @@ return function (hostname, transmit, onRReceive, time)
onSucceed = onSucceed or (function () end)
onFailure = onFailure or (function () end)
local gid = genGlobalId(port)
local tp = "\x01"
-- Unreliable packets:
-- 1. Can't be ACKed (not in the needsAck table)
-- 2. Are otherwise subject to the same rules as regular packets
if unreliable then
node.output(node.hostname, nto, gid .. "\x00\x00" .. data)
tp = "\x00"
return
end
local na = {onSucceed}
@ -124,13 +129,24 @@ return function (hostname, transmit, onRReceive, time)
doAttempt = function ()
attempt = attempt + 1
if attempt == tuningAttempts then
onFailure()
if not unreliable then
needsAck[nto .. gid] = nil
onFailure()
end
return
end
node.output(node.hostname, nto, gid .. string.char(attempt) .. "\x01" .. data)
node.output(node.hostname, nto, gid .. string.char(attempt) .. tp .. data)
na[2] = addTimer(doAttempt, tuningAttemptTime)
if not na[2] then
needsAck[nto .. gid] = nil
if not unreliable then
onFailure()
end
end
end
if not unreliable then
needsAck[nto .. gid] = na
end
needsAck[nto .. gid] = na
doAttempt()
end
return relib