63 lines
2.3 KiB
Diff
63 lines
2.3 KiB
Diff
From bf2900d716397734136ec3014a591281504aa00b Mon Sep 17 00:00:00 2001
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From: Noah Meyerhans <noahm@debian.org>
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Date: Wed, 16 Feb 2022 22:27:49 -0800
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Subject: [PATCH 2/2] arping: exit 0 if running in deadline mode and we see
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replies
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The arping behavior when running in deadline mode without a packet
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count (-w without -c) should match that of ping: any replies indicate
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that the host is up and should result in a zero (success) exit status.
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Fixes: https://github.com/iputils/iputils/issues/392
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Closes: https://github.com/iputils/iputils/pull/395
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Reviewed-by: Petr Vorel <petr.vorel@gmail.com>
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Signed-off-by: Noah Meyerhans <noahm@debian.org>
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(cherry picked from commit 854873bdd28fcdd9cc3fe0c2d29c083a07d07a86)
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---
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arping.c | 2 ++
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doc/arping.xml | 14 +++++++-------
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2 files changed, 9 insertions(+), 7 deletions(-)
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diff --git a/arping.c b/arping.c
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index 8059517..6f94e90 100644
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--- a/arping.c
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+++ b/arping.c
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@@ -828,6 +828,8 @@ static int event_loop(struct run_state *ctl)
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else if (ctl->dad && ctl->quit_on_reply)
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/* Duplicate address detection mode return value */
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rc |= !(ctl->brd_sent != ctl->received);
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+ else if (ctl->timeout && !(ctl->count > 0))
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+ rc |= !(ctl->received > 0);
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else
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rc |= (ctl->sent != ctl->received);
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return rc;
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diff --git a/doc/arping.xml b/doc/arping.xml
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index 711718f..9adbc0c 100644
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--- a/doc/arping.xml
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+++ b/doc/arping.xml
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@@ -202,13 +202,13 @@ xml:id="man.arping">
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<listitem>
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<para>Specify a timeout, in seconds, before
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<command>arping</command> exits regardless of how many
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- packets have been sent or received. In this case
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- <command>arping</command> does not stop after
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- <emphasis remap='I'>count</emphasis> packet are sent, it
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- waits either for
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- <emphasis remap='I'>deadline</emphasis> expire or until
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- <emphasis remap='I'>count</emphasis> probes are
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- answered.</para>
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+ packets have been sent or received. If any replies are
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+ received, exit with status 0, otherwise status 1. When
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+ combined with the <emphasis remap="I">count</emphasis>
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+ option, exit with status 0 if <emphasis
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+ remap="I">count</emphasis> replies are received before the
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+ deadline expiration, otherwise status 1.
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+ </para>
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</listitem>
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</varlistentry>
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<varlistentry>
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--
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2.46.0
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