[Click] 回复: Re: about bug on addressinfo element

Eddie Kohler kohler at cs.ucla.edu
Sun Oct 17 01:25:47 EDT 2010


Patches are always welcome!
E


On 01/29/2012 07:19 PM, xuhui122000 at gmail.com wrote:
> the access-point.click is an sample at cof/wifi ,i think files at cof/wifi should been updated 徐晖
>
> 原信息
> 主题: Re: [Click] about bug on addressinfo element
> 发件人:<rchertov at cs.ucsb.edu>
> 日期: 2010/10/07 02:38
>
> http://read.cs.ucla.edu/click/elements/addressinfo You need to specify the
> address in the following format:
> AddressInfo(mauer 10.0.0.1 00-50-BA-85-84-A9);
>
> Roman
>
>
> On 11:27 am 10/06/10 徐晖<xuhui122000 at gmail.com>  wrote:I am new to
> click,recently I compile click on openwrt 8.09.2,but I can not
> run the "access-point.click" successfully,some error happen at "FromHost(ap,
> ap_bssid, ETHER ap_bssid)",more detail can see
> /conf/wifi/access-point.click,I
> look at the code of "addressinfo.cc" and find the problem at
> "AddressInfo::configure" function,the original code is
> 107    if (cp_ip_address(parts[j],&x.ip4.a))
> 108 NameInfo::define(NameInfo::T_IP_ADDR, this, parts[0],&x.ip4.a, 4);
> 109    else if (cp_ip_prefix(parts[j], x.ip4b.a, x.ip4b.p, false)) {
> 110 NameInfo::define(NameInfo::T_IP_PREFIX, this, parts[0],&x.ip4, 8);
> 111 if (x.ip4.a.s_addr&  ~x.ip4.p.s_addr)
> 112    NameInfo::define(NameInfo::T_IP_ADDR, this, parts[0],&x.ip4.a, 4);
> 113    } else if (cp_ethernet_address(parts[j], x.ether))
> 114 NameInfo::define(NameInfo::T_ETHERNET_ADDR, this, parts[0], x.ether, 6);
>
> my modify is
>             if (cp_ethernet_address(parts[j], x.ether))
> NameInfo::define(NameInfo::T_ETHERNET_ADDR, this, parts[0], x.ether, 6);
>      if (cp_ip_address(parts[j],&x.ip4.a))
> NameInfo::define(NameInfo::T_IP_ADDR, this, parts[0],&x.ip4.a, 4);
>      else if (cp_ip_prefix(parts[j], x.ip4b.a, x.ip4b.p, false)) {
> NameInfo::define(NameInfo::T_IP_PREFIX, this, parts[0],&x.ip4, 8);
> if (x.ip4.a.s_addr&  ~x.ip4.p.s_addr)
>      NameInfo::define(NameInfo::T_IP_ADDR, this, parts[0],&x.ip4.a, 4);
>      }
>
> the problem of original code is when interpret the code
> "AddressInfo(ap_bssid 10.0.0.1/8 ath1)" at "access-point.click" the program
> will not store the mac addr of ath1 at the db,then when interpret the code
> "FromHost(ap, ap_bssid, ETHER ap_bssid)" it first find the mac addr
> of ap_bssid at the db,but failed,then it will get all the mac addr of the
> system's interfaces,and try to get the mac addr of the interface named
> "ap_bssid",of course it will fail.
> Is my modification right?
>
>



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