[ovs-dev] [PATCH v2] dpctl: manage ret value when dumping CT entries.
Fischetti, Antonio
antonio.fischetti at intel.com
Tue Sep 26 09:45:16 UTC 2017
Actually I forgot to add in the commit message
Reviewed-by: Greg Rose <gvrose8192 at gmail.com>
Can this please be added later?
Thanks, Antonio
> -----Original Message-----
> From: ovs-dev-bounces at openvswitch.org [mailto:ovs-dev-bounces at openvswitch.org]
> On Behalf Of antonio.fischetti at intel.com
> Sent: Tuesday, September 26, 2017 10:37 AM
> To: dev at openvswitch.org
> Subject: [ovs-dev] [PATCH v2] dpctl: manage ret value when dumping CT entries.
>
> Manage error value returned by ct_dpif_dump_next.
>
> Signed-off-by: Antonio Fischetti <antonio.fischetti at intel.com>
> ---
> lib/dpctl.c | 27 ++++++++++++++++++++++++---
> 1 file changed, 24 insertions(+), 3 deletions(-)
>
> diff --git a/lib/dpctl.c b/lib/dpctl.c
> index 8951d6e..d229c97 100644
> --- a/lib/dpctl.c
> +++ b/lib/dpctl.c
> @@ -1286,7 +1286,7 @@ dpctl_dump_conntrack(int argc, const char *argv[],
> return error;
> }
>
> - while (!ct_dpif_dump_next(dump, &cte)) {
> + while (!(error = ct_dpif_dump_next(dump, &cte))) {
> struct ds s = DS_EMPTY_INITIALIZER;
>
> ct_dpif_format_entry(&cte, &s, dpctl_p->verbosity,
> @@ -1296,6 +1296,13 @@ dpctl_dump_conntrack(int argc, const char *argv[],
> dpctl_print(dpctl_p, "%s\n", ds_cstr(&s));
> ds_destroy(&s);
> }
> + if (error == EOF) {
> + /* Any CT entry was dumped with no issue. */
> + error = 0;
> + } else if (error) {
> + dpctl_error(dpctl_p, error, "dumping conntrack entry");
> + }
> +
> ct_dpif_dump_done(dump);
> dpif_close(dpif);
> return error;
> @@ -1384,7 +1391,7 @@ dpctl_ct_stats_show(int argc, const char *argv[],
> }
>
> int tot_conn = 0;
> - while (!ct_dpif_dump_next(dump, &cte)) {
> + while (!(error = ct_dpif_dump_next(dump, &cte))) {
> ct_dpif_entry_uninit(&cte);
> tot_conn++;
> switch (cte.tuple_orig.ip_proto) {
> @@ -1425,6 +1432,13 @@ dpctl_ct_stats_show(int argc, const char *argv[],
> break;
> }
> }
> + if (error == EOF) {
> + /* All CT entries were dumped with no issue. */
> + error = 0;
> + } else if (error) {
> + dpctl_error(dpctl_p, error, "dumping conntrack entry");
> + /* Fall through to show any other info we collected. */
> + }
>
> dpctl_print(dpctl_p, "Connections Stats:\n Total: %d\n", tot_conn);
> if (proto_stats[CT_STATS_TCP]) {
> @@ -1521,7 +1535,7 @@ dpctl_ct_bkts(int argc, const char *argv[],
> int tot_conn = 0;
> uint32_t *conn_per_bkts = xzalloc(tot_bkts * sizeof(uint32_t));
>
> - while (!ct_dpif_dump_next(dump, &cte)) {
> + while (!(error = ct_dpif_dump_next(dump, &cte))) {
> ct_dpif_entry_uninit(&cte);
> tot_conn++;
> if (tot_bkts > 0) {
> @@ -1533,6 +1547,13 @@ dpctl_ct_bkts(int argc, const char *argv[],
> }
> }
> }
> + if (error == EOF) {
> + /* All CT entries were dumped with no issue. */
> + error = 0;
> + } else if (error) {
> + dpctl_error(dpctl_p, error, "dumping conntrack entry");
> + /* Fall through and display all the collected info. */
> + }
>
> dpctl_print(dpctl_p, "Current Connections: %d\n", tot_conn);
> dpctl_print(dpctl_p, "\n");
> --
> 2.4.11
>
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