netdev - [PATCH iproute2-next 1/3] ip: xstats: add json output support

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Message-Id: <20190312164128.22536-2-nikolay@cumulusnetworks.com>
Date:   Tue, 12 Mar 2019 18:41:26 +0200
From:   Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
To:     netdev@...r.kernel.org
Cc:     roopa@...ulusnetworks.com, dsa@...ulusnetworks.com,
        stephen@...workplumber.org,
        Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
Subject: [PATCH iproute2-next 1/3] ip: xstats: add json output support

This adds only initial object support if json argument is specified.
Later patches convert the current xstats users to json.

Signed-off-by: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
---
 ip/iplink_xstats.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ip/iplink_xstats.c b/ip/iplink_xstats.c
index 908d9228369f..c64e6885678c 100644
--- a/ip/iplink_xstats.c
+++ b/ip/iplink_xstats.c
@@ -70,10 +70,13 @@ int iplink_ifla_xstats(int argc, char **argv)
 		return -1;
 	}
 
+	new_json_obj(json);
 	if (rtnl_dump_filter(&rth, lu->print_ifla_xstats, stdout) < 0) {
+		delete_json_obj();
 		fprintf(stderr, "Dump terminated\n");
 		return -1;
 	}
+	delete_json_obj();
 
 	return 0;
 }
-- 
2.17.2