Nei*_*lis 11
是你想测试的速度变化吗?或访问每种技术?
如果它的速度那么你可以使用以下ipfw技巧,图标工厂的Craig Hockenberry,使用ipfw限制到给定域的连接.在这个例子中,它是twitter,它限制了进出主机的所有连接的速度.
这是一个bash脚本,如果你正在做iPhone开发,你将在mac上,所以只需创建它并在终端中运行.
#!/bin/bash
# configuration
host="twitter.com"
# usage
if [ "$*" == "" ]; then
echo "usage: $0 [off|fast|medium|slow]"
exit
fi
# remove any previous firewall rules
sudo ipfw list 10 > /dev/null 2>&1
if [ $? -eq 0 ]; then
sudo ipfw delete 10 > /dev/null 2>&1
fi
sudo ipfw list 11 > /dev/null 2>&1
if [ $? -eq 0 ]; then
sudo ipfw delete 11 > /dev/null 2>&1
fi
# process the command line option
if [ "$1" == "off" ]; then
# add rules to deny any connections to configured host
sudo ipfw add 10 deny tcp from $host to me
sudo ipfw add 11 deny tcp from me to $host
else
# create a pipe with limited bandwidth
bandwidth="100Kbit"
if [ "$1" == "fast" ]; then
bandwidth="300Kbit"
elif [ "$1" == "slow" ]; then
bandwidth="10Kbit"
fi
sudo ipfw pipe 1 config bw $bandwidth
# add rules to use bandwidth limited pipe
sudo ipfw add 10 pipe 1 tcp from $host to me
sudo ipfw add 11 pipe 1 tcp from me to $host
fi
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