[OE-core] [PATCH] quagga/ripd: Fix two bugs after received SIGHUP signal

[Xufeng Zhang]

On 10/24/2013 05:31 PM, Rongqing Li wrote:
> You should send it to openembedded-devel at lists.openembedded.org
>
> and with title [PATCH meta-networking]
>
>
> On 10/24/2013 05:34 PM, Xufeng Zhang wrote:
>> There are two problems for ripd implementation after received
>> SIGHUP signal:
>> 1). ripd didn't clean up ifp->connected list before reload
>>      configuration file which makes the same advertise packet
>>      being sent multiple times(depends on how many SIGHUP was recieved).
>> 2). ripd reset ri->split_horizon flag to RIP_NO_SPLIT_HORIZON
>>      during restart which is different from the flag when ripd is
>>      firstly started up, leading to unnecessary route to be advertised.
>>
>> [YOCTO #5266]
>> [ CQID: WIND00372703 ]
>
>
> Romve CQID

Ok, thanks a lot!


Thanks,
Xufeng


>
> Thanks
>
> -Roy
>
>>
>> Signed-off-by: Xufeng Zhang <xufeng.zhang at windriver.com>
>> ---
>>   .../ripd-fix-two-bugs-after-received-SIGHUP.patch  |   49 
>> ++++++++++++++++++++
>>   .../recipes-protocols/quagga/quagga.inc            |    3 +-
>>   2 files changed, 51 insertions(+), 1 deletions(-)
>>   create mode 100644 
>> meta-networking/recipes-protocols/quagga/files/ripd-fix-two-bugs-after-received-SIGHUP.patch 
>>
>>
>> diff --git 
>> a/meta-networking/recipes-protocols/quagga/files/ripd-fix-two-bugs-after-received-SIGHUP.patch 
>> b/meta-networking/recipes-protocols/quagga/files/ripd-fix-two-bugs-after-received-SIGHUP.patch 
>>
>> new file mode 100644
>> index 0000000..c081143
>> --- /dev/null
>> +++ 
>> b/meta-networking/recipes-protocols/quagga/files/ripd-fix-two-bugs-after-received-SIGHUP.patch 
>>
>> @@ -0,0 +1,49 @@
>> +ripd: Fix two bugs after received SIGHUP signal
>> +
>> +There are two problems for ripd implementation after received
>> +SIGHUP signal:
>> +1). ripd didn't clean up ifp->connected list before reload
>> +    configuration file.
>> +2). ripd reset ri->split_horizon flag to RIP_NO_SPLIT_HORIZON
>> +    which lead to the unnecessary route to be advertised.
>> +
>> +Upstream-Status: Pending
>> +
>> +Signed-off-by: Xufeng Zhang <xufeng.zhang at windriver.com>
>> +---
>> +--- a/ripd/rip_interface.c
>> ++++ b/ripd/rip_interface.c
>> +@@ -500,6 +500,8 @@
>> +   struct listnode *node;
>> +   struct interface *ifp;
>> +   struct rip_interface *ri;
>> ++  struct connected *ifc;
>> ++  struct listnode *conn_node, *next;
>> +
>> +   for (ALL_LIST_ELEMENTS_RO (iflist, node, ifp))
>> +     {
>> +@@ -514,6 +516,13 @@
>> +       thread_cancel (ri->t_wakeup);
>> +       ri->t_wakeup = NULL;
>> +     }
>> ++
>> ++      for (conn_node = listhead (ifp->connected); conn_node; 
>> conn_node = next)
>> ++        {
>> ++          ifc = listgetdata (conn_node);
>> ++          next = conn_node->next;
>> ++          listnode_delete (ifp->connected, ifc);
>> ++        }
>> +     }
>> + }
>> +
>> +@@ -548,8 +557,8 @@
>> +       ri->key_chain = NULL;
>> +     }
>> +
>> +-      ri->split_horizon = RIP_NO_SPLIT_HORIZON;
>> +-      ri->split_horizon_default = RIP_NO_SPLIT_HORIZON;
>> ++      ri->split_horizon = RIP_SPLIT_HORIZON;
>> ++      ri->split_horizon_default = RIP_SPLIT_HORIZON;
>> +
>> +       ri->list[RIP_FILTER_IN] = NULL;
>> +       ri->list[RIP_FILTER_OUT] = NULL;
>> diff --git a/meta-networking/recipes-protocols/quagga/quagga.inc 
>> b/meta-networking/recipes-protocols/quagga/quagga.inc
>> index 89b9f7a..bf37067 100644
>> --- a/meta-networking/recipes-protocols/quagga/quagga.inc
>> +++ b/meta-networking/recipes-protocols/quagga/quagga.inc
>> @@ -31,7 +31,8 @@ SRC_URI = 
>> "http://download.savannah.gnu.org/releases/quagga${QUAGGASUBDIR}/quagg
>>              file://quagga.default \
>>              file://watchquagga.init \
>>              file://watchquagga.default \
>> -           file://volatiles.03_quagga"
>> +           file://volatiles.03_quagga \
>> +           file://ripd-fix-two-bugs-after-received-SIGHUP.patch"
>>
>>   PACKAGECONFIG ??= ""
>>   PACKAGECONFIG[cap] = 
>> "--enable-capabilities,--disable-capabilities,libcap"
>>
>