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[packages] multiwan: Updated probabilities matrix, added rounding.

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git-svn-id: svn://svn.openwrt.org/openwrt/packages@21431 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
craigc 2010-05-12 20:54:57 +00:00
parent a585129a0e
commit cab1cc25b1
2 changed files with 26 additions and 11 deletions
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2
net/multiwan/Makefile
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@ -8,7 +8,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=multiwan
PKG_VERSION:=1.0.8
PKG_VERSION:=1.0.11
PKG_RELEASE:=1
include $(INCLUDE_DIR)/package.mk

35
net/multiwan/files/usr/bin/multiwan
View File

@ -639,9 +639,11 @@ local rand_probability
local last_probability
local total_weight
local total_wans
local roundme
local roundlen
local i
local x
local y
local n
echo "## Refreshing Load Balancer ##"
@ -660,13 +662,10 @@ ip route flush table 123 > /dev/null 2>&1
done
done
iptables -F MultiWanLoadBalancer -t mangle
total_weight=0
total_wans=0
last_probability=0
x=0
y=0
iptables -F MultiWanLoadBalancer -t mangle
i=0
while [ $i -lt $wancount ]; do
@ -682,6 +681,12 @@ weight=`uci -q -P /var/state get multiwan.${group}.weight`
fi
done
last_probability=0
roundme=0
roundlen=0
x=0
n=0
i=0
while [ $i -lt $wancount ]; do
i=`expr $i + 1`
@ -694,14 +699,24 @@ weight=`uci -q -P /var/state get multiwan.${group}.weight`
if [ "$gateway" != "x" -a "$ifname" != "x" -a "$failchk" != "x" -a "$weight" != "disable" ]; then
nexthop="$nexthop nexthop via $gateway dev $ifname weight $weight"
y=$last_probability
last_probability=$(expr $x / $(expr $wancount - $i + 1))
rand_probability=$(expr $(expr $(expr $weight \* 100) / $total_weight) + $last_probability + $y)
n=$(expr $n + $last_probability)
last_probability=$(expr $x / $(expr $total_wans - $i + 1))
rand_probability=$(expr $(expr $weight \* 1000) / $total_weight)
roundlen=`expr length $rand_probability - 1`
roundme=${rand_probability:$roundlen}
rand_probability=$(echo $rand_probability | sed s/$roundme//)
if [ $roundme -ge 5 ]; then
rand_probability=$(expr $rand_probability + 1)
fi
rand_probability=$(expr $rand_probability + $n + $last_probability)
x=$rand_probability
if [ $rand_probability -lt 10 ]; then
rand_probability="0.0${rand_probability}"
elif [ $rand_probability -lt 100 -a $i != $total_wans ]; then
elif [ $rand_probability -lt 100 ]; then
rand_probability="0.${rand_probability}"
else
rand_probability="1.0"