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From: "Toke Høiland-Jørgensen" <toke@redhat.com>
To: Jesper Dangaard Brouer <brouer@redhat.com>,
	"Daniel T. Lee" <danieltimlee@gmail.com>
Cc: "David S . Miller" <davem@davemloft.net>,
	netdev@vger.kernel.org, brouer@redhat.com
Subject: Re: [v2 3/3] samples: pktgen: allow to specify destination IP range (CIDR)
Date: Fri, 13 Sep 2019 14:37:49 +0200	[thread overview]
Message-ID: <87ef0ks76q.fsf@toke.dk> (raw)
In-Reply-To: <20190913143144.2b8c18ed@carbon>

Jesper Dangaard Brouer <brouer@redhat.com> writes:

> On Thu, 12 Sep 2019 03:48:07 +0900
> "Daniel T. Lee" <danieltimlee@gmail.com> wrote:
>
>> diff --git a/samples/pktgen/pktgen_sample01_simple.sh b/samples/pktgen/pktgen_sample01_simple.sh
>> index 063ec0998906..08995fa70025 100755
>> --- a/samples/pktgen/pktgen_sample01_simple.sh
>> +++ b/samples/pktgen/pktgen_sample01_simple.sh
>> @@ -22,6 +22,7 @@ fi
>>  # Example enforce param "-m" for dst_mac
>>  [ -z "$DST_MAC" ] && usage && err 2 "Must specify -m dst_mac"
>>  [ -z "$COUNT" ]   && COUNT="100000" # Zero means indefinitely
>> +[ -n "$DEST_IP" ] && read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP)
>
> The way the function "parse_addr" is called, in case of errors the
> 'err()' function is called inside, but it will not stop the program
> flow.  Instead that function will "only" echo the "ERROR", but program
> flow continues (even-thought 'err()' uses exit $exitcode).
>
> Maybe it is not solveable to get the exit/$?/status out? (I've tried
> different options, but didn't find a way).

`set -o errexit`? :)

-Toke

  reply	other threads:[~2019-09-13 12:37 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-11 18:48 [v2 1/3] samples: pktgen: make variable consistent with option Daniel T. Lee
2019-09-11 18:48 ` [v2 2/3] samples: pktgen: add helper functions for IP(v4/v6) CIDR parsing Daniel T. Lee
2019-09-12 15:59   ` Jesper Dangaard Brouer
2019-09-12 17:53     ` Daniel T. Lee
2019-09-13 12:32       ` Jesper Dangaard Brouer
2019-09-13 12:43   ` Jesper Dangaard Brouer
2019-09-14 15:02     ` Daniel T. Lee
2019-09-11 18:48 ` [v2 3/3] samples: pktgen: allow to specify destination IP range (CIDR) Daniel T. Lee
2019-09-13 12:31   ` Jesper Dangaard Brouer
2019-09-13 12:37     ` Toke Høiland-Jørgensen [this message]
2019-09-14 14:51       ` Daniel T. Lee
2019-09-13 12:04 ` [v2 1/3] samples: pktgen: make variable consistent with option Jesper Dangaard Brouer

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