使用有限的网络访问权限测试iPhone应用 [英] Testing iPhone app with limited network access

问题描述

使用iPhone模拟器时，有没有办法模拟有限或无3G / Wifi / EDGE连接？

Is there any way of simulating limited or no 3G / Wifi / EDGE connectivity when using the iPhone simulator?

推荐答案

是你希望测试速度的变化吗？或访问每种技术？

Is it the variations in speed you wish to test? Or access to each technology?

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来限制连接到给定域名。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。

If it's speed then you could use the following ipfw trick, courtesty of Craig Hockenberry of the Icon Factory, to use ipfw to limit connectivity to a given domain. In this example, it's twitter and it limits the speed of all connections to and from the host.

这是一个bash脚本，如果你正在做iPhone开发你会在Mac上，所以只需创建它并在终端中运行。

It's a bash script, if you're doing iPhone dev you'll be on a mac so just create it and run in the terminal.

#!/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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