71 lines
2.1 KiB
Diff
71 lines
2.1 KiB
Diff
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From 5dd607059d8a98e04024305ae4afbd038aadbdcd Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?C=C3=A9dric=20Bosdonnat?= <cbosdonnat@suse.com>
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Date: Wed, 15 Mar 2017 14:46:56 +0100
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Subject: [PATCH 4/5] util: add virNetDevGetName() function
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Add a function getting the name of a network interface out of its index.
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---
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src/libvirt_private.syms | 1 +
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src/util/virnetdev.c | 19 +++++++++++++++++++
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src/util/virnetdev.h | 2 ++
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3 files changed, 22 insertions(+)
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diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
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index f03925bc1..3b2cb83c4 100644
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--- a/src/libvirt_private.syms
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+++ b/src/libvirt_private.syms
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@@ -1995,6 +1995,7 @@ virNetDevGetIndex;
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virNetDevGetLinkInfo;
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virNetDevGetMAC;
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virNetDevGetMTU;
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+virNetDevGetName;
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virNetDevGetOnline;
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virNetDevGetPhysicalFunction;
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virNetDevGetPromiscuous;
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diff --git a/src/util/virnetdev.c b/src/util/virnetdev.c
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index d12324878..91a5274aa 100644
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--- a/src/util/virnetdev.c
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+++ b/src/util/virnetdev.c
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@@ -899,6 +899,25 @@ virNetDevGetRcvAllMulti(const char *ifname,
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return virNetDevGetIFFlag(ifname, VIR_IFF_ALLMULTI, receive);
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}
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+char *virNetDevGetName(int ifindex)
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+{
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+ char name[IFNAMSIZ];
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+ char *ifname = NULL;
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+
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+ memset(&name, 0, sizeof(name));
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+
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+ if (!if_indextoname(ifindex, name)) {
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+ virReportSystemError(errno,
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+ _("Failed to convert interface index %d to a name"),
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+ ifindex);
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+ goto cleanup;
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+ }
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+
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+ ignore_value(VIR_STRDUP(ifname, name));
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+
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+ cleanup:
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+ return ifname;
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+}
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/**
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* virNetDevGetIndex:
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diff --git a/src/util/virnetdev.h b/src/util/virnetdev.h
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index 236cf83ef..01e9c5b95 100644
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--- a/src/util/virnetdev.h
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+++ b/src/util/virnetdev.h
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@@ -157,6 +157,8 @@ int virNetDevSetNamespace(const char *ifname, pid_t pidInNs)
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int virNetDevSetName(const char *ifname, const char *newifname)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
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+char *virNetDevGetName(int ifindex)
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+ ATTRIBUTE_NONNULL(1) ATTRIBUTE_RETURN_CHECK;
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int virNetDevGetIndex(const char *ifname, int *ifindex)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
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--
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2.12.0
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