On 11/28/23 03:37, num...@ovn.org wrote:
> From: Numan Siddique <num...@ovn.org>
>
> Signed-off-by: Numan Siddique <num...@ovn.org>
> ---
> northd/en-lflow.c | 29 +++++++++++++++++++
> northd/en-lflow.h | 1 +
> northd/en-ls-stateful.c | 3 ++
> northd/en-ls-stateful.h | 23 +++++++++++++++
> northd/inc-proc-northd.c | 3 +-
> northd/northd.c | 56 +++++++++++++++++++++++++++++++++----
> northd/northd.h | 5 ++++
> tests/ovn-northd.at | 60 ++++++++++++++++++++++++++--------------
> 8 files changed, 152 insertions(+), 28 deletions(-)
>
> diff --git a/northd/en-lflow.c b/northd/en-lflow.c
> index 09748f570b..784c3c2efb 100644
> --- a/northd/en-lflow.c
> +++ b/northd/en-lflow.c
> @@ -193,6 +193,35 @@ lflow_lr_stateful_handler(struct engine_node *node, void
> *data)
> return true;
> }
>
> +bool
> +lflow_ls_stateful_handler(struct engine_node *node, void *data)
> +{
> + struct ed_type_ls_stateful *ls_sful_data =
> + engine_get_input_data("ls_stateful", node);
> +
> + if (!ls_stateful_has_tracked_data(&ls_sful_data->trk_data)) {
> + return false;
> + }
> +
> + const struct engine_context *eng_ctx = engine_get_context();
> + struct lflow_data *lflow_data = data;
> +
> + struct lflow_input lflow_input;
> + lflow_get_input_data(node, &lflow_input);
> +
> + if (!lflow_handle_ls_stateful_changes(eng_ctx->ovnsb_idl_txn,
> + &ls_sful_data->trk_data,
> + &lflow_input,
> + lflow_data->lflow_table)) {
> + return false;
> + }
> +
> +
Nit: too many empty lines.
> + engine_set_node_state(node, EN_UPDATED);
> +
I'd skip this one too, I think.
> + return true;
> +}
> +
> void *en_lflow_init(struct engine_node *node OVS_UNUSED,
> struct engine_arg *arg OVS_UNUSED)
> {
> diff --git a/northd/en-lflow.h b/northd/en-lflow.h
> index 1d813a2a29..32cae61763 100644
> --- a/northd/en-lflow.h
> +++ b/northd/en-lflow.h
> @@ -21,5 +21,6 @@ void en_lflow_cleanup(void *data);
> bool lflow_northd_handler(struct engine_node *, void *data);
> bool lflow_port_group_handler(struct engine_node *, void *data);
> bool lflow_lr_stateful_handler(struct engine_node *, void *data);
> +bool lflow_ls_stateful_handler(struct engine_node *node, void *data);
>
> #endif /* EN_LFLOW_H */
> diff --git a/northd/en-ls-stateful.c b/northd/en-ls-stateful.c
> index 117def531b..8b695e04fa 100644
> --- a/northd/en-ls-stateful.c
> +++ b/northd/en-ls-stateful.c
> @@ -39,6 +39,7 @@
> #include "lib/ovn-sb-idl.h"
> #include "lib/ovn-util.h"
> #include "lib/stopwatch-names.h"
> +#include "lflow-mgr.h"
> #include "northd.h"
>
> VLOG_DEFINE_THIS_MODULE(en_ls_stateful);
> @@ -298,6 +299,7 @@ ls_stateful_record_create(struct ls_stateful_table *table,
> struct ls_stateful_record *ls_sful_rec = xzalloc(sizeof *ls_sful_rec);
> ls_sful_rec->od = od;
> ls_stateful_record_init(ls_sful_rec, od, NULL, ls_pgs);
> + ls_sful_rec->lflow_ref = lflow_ref_alloc(od->nbs->name);
>
> hmap_insert(&table->entries, &ls_sful_rec->key_node,
> uuid_hash(&ls_sful_rec->od->nbs->header_.uuid));
> @@ -308,6 +310,7 @@ ls_stateful_record_create(struct ls_stateful_table *table,
> static void
> ls_stateful_record_destroy(struct ls_stateful_record *ls_sful_rec)
> {
> + lflow_ref_destroy(ls_sful_rec->lflow_ref);
> free(ls_sful_rec);
> }
>
> diff --git a/northd/en-ls-stateful.h b/northd/en-ls-stateful.h
> index e409bb0141..5d7df849b9 100644
> --- a/northd/en-ls-stateful.h
> +++ b/northd/en-ls-stateful.h
> @@ -31,6 +31,8 @@
> #include "lib/ovn-util.h"
> #include "lib/stopwatch-names.h"
>
> +struct lflow_ref;
> +
> struct ls_stateful_record {
> struct hmap_node key_node;
>
> @@ -39,6 +41,27 @@ struct ls_stateful_record {
> bool has_lb_vip;
> bool has_acls;
> uint64_t max_acl_tier;
> +
> + /* 'lflow_ref' is used to reference logical flows generated for
> + * this ls_stateful record.
> + *
> + * This data is initialized and destroyed by the en_ls_stateful node,
> + * but populated and used only by the en_lflow node. Ideally this data
> + * should be maintained as part of en_lflow's data. However, it would
> + * be less efficient and more complex:
> + *
> + * 1. It would require an extra search (using the index) to find the
> + * lflows.
> + *
> + * 2. Building the index needs to be thread-safe, using either a global
> + * lock which is obviously less efficient, or hash-based lock array which
> + * is more complex.
> + *
> + * Adding the lflow_ref here is more straightforward. The drawback is
> that
> + * we need to keep in mind that this data belongs to en_lflow node, so
> + * never access it from any other nodes.
> + */
> + struct lflow_ref *lflow_ref;
> };
>
> struct ls_stateful_table {
> diff --git a/northd/inc-proc-northd.c b/northd/inc-proc-northd.c
> index 8be413200e..f7c3d2bcf5 100644
> --- a/northd/inc-proc-northd.c
> +++ b/northd/inc-proc-northd.c
> @@ -228,12 +228,11 @@ void inc_proc_northd_init(struct ovsdb_idl_loop *nb,
> engine_add_input(&en_lflow, &en_sb_logical_flow, NULL);
> engine_add_input(&en_lflow, &en_sb_multicast_group, NULL);
> engine_add_input(&en_lflow, &en_sb_igmp_group, NULL);
> - engine_add_input(&en_lflow, &en_ls_stateful, NULL);
> engine_add_input(&en_lflow, &en_sb_logical_dp_group, NULL);
> - engine_add_input(&en_lflow, &en_ls_stateful, NULL);
I mentioned this one on the previous patch. It was a typo there I guess.
> engine_add_input(&en_lflow, &en_northd, lflow_northd_handler);
> engine_add_input(&en_lflow, &en_port_group, lflow_port_group_handler);
> engine_add_input(&en_lflow, &en_lr_stateful, lflow_lr_stateful_handler);
> + engine_add_input(&en_lflow, &en_ls_stateful, lflow_ls_stateful_handler);
>
> engine_add_input(&en_sync_to_sb_addr_set, &en_nb_address_set,
> sync_to_sb_addr_set_nb_address_set_handler);
> diff --git a/northd/northd.c b/northd/northd.c
> index 235b9e100f..59b30c5dc8 100644
> --- a/northd/northd.c
> +++ b/northd/northd.c
> @@ -15754,12 +15754,14 @@ build_ls_stateful_flows(const struct
> ls_stateful_record *ls_stateful_rec,
> ovs_assert(ls_stateful_rec->od);
>
> build_ls_stateful_rec_pre_acls(ls_stateful_rec, ls_pgs, lflows,
> - NULL);
> - build_ls_stateful_rec_pre_lb(ls_stateful_rec, lflows, NULL);
> - build_acl_hints(ls_stateful_rec, features, lflows, NULL);
> + ls_stateful_rec->lflow_ref);
> + build_ls_stateful_rec_pre_lb(ls_stateful_rec, lflows,
> + ls_stateful_rec->lflow_ref);
> + build_acl_hints(ls_stateful_rec, features, lflows,
> + ls_stateful_rec->lflow_ref);
> build_acls(ls_stateful_rec, features, lflows, ls_pgs, meter_groups,
> - NULL);
> - build_lb_hairpin(ls_stateful_rec, lflows, NULL);
> + ls_stateful_rec->lflow_ref);
> + build_lb_hairpin(ls_stateful_rec, lflows, ls_stateful_rec->lflow_ref);
> }
>
> struct lswitch_flow_build_info {
> @@ -16433,6 +16435,7 @@ void
> reset_lflow_refs_for_northd_resources(struct lflow_input *lflow_input)
> {
> const struct lr_stateful_record *lr_sful_rec;
> + struct ls_stateful_record *ls_sful_rec;
> struct ovn_lb_datapaths *lb_dps;
> struct ovn_port *op;
>
> @@ -16440,6 +16443,10 @@ reset_lflow_refs_for_northd_resources(struct
> lflow_input *lflow_input)
> lflow_ref_reset(lr_sful_rec->lflow_ref);
> }
>
> + LS_STATEFUL_TABLE_FOR_EACH (ls_sful_rec, lflow_input->ls_sful_table) {
> + lflow_ref_reset(ls_sful_rec->lflow_ref);
> + }
> +
> HMAP_FOR_EACH (op, key_node, lflow_input->ls_ports) {
> lflow_ref_reset(op->lflow_ref);
> lflow_ref_reset(op->stateful_lflow_ref);
> @@ -16749,6 +16756,45 @@ lflow_handle_lr_stateful_changes(struct
> ovsdb_idl_txn *ovnsb_txn,
> return true;
> }
>
> +bool
> +lflow_handle_ls_stateful_changes(struct ovsdb_idl_txn *ovnsb_txn,
> + struct ls_stateful_tracked_data *trk_data,
> + struct lflow_input *lflow_input,
> + struct lflow_table *lflows)
> +{
> + struct ls_stateful_record *ls_sful_rec;
> + struct hmapx_node *hmapx_node;
> +
> + HMAPX_FOR_EACH (hmapx_node, &trk_data->crupdated) {
> + ls_sful_rec = hmapx_node->data;
> +
> + lflow_ref_clear_lflows(ls_sful_rec->lflow_ref);
> +
> + /* Generate new lflows. */
> + struct ds match = DS_EMPTY_INITIALIZER;
> + struct ds actions = DS_EMPTY_INITIALIZER;
These two variables are unused, they can be removed.
> +
> + build_ls_stateful_flows(ls_sful_rec, lflow_input->ls_port_groups,
> + lflow_input->features,
> + lflow_input->meter_groups,
> + lflows);
> +
> + ds_destroy(&match);
> + ds_destroy(&actions);
> +
> + /* Sync the new flows to SB. */
> + lflow_ref_sync_lflows_to_sb(ls_sful_rec->lflow_ref, lflows,
> + ovnsb_txn,
> + lflow_input->ls_datapaths,
> + lflow_input->lr_datapaths,
> + lflow_input->ovn_internal_version_changed,
> + lflow_input->sbrec_logical_flow_table,
> + lflow_input->sbrec_logical_dp_group_table);
> + }
> +
> + return true;
> +}
> +
> static bool
> mirror_needs_update(const struct nbrec_mirror *nb_mirror,
> const struct sbrec_mirror *sb_mirror)
> diff --git a/northd/northd.h b/northd/northd.h
> index 6adf06c26f..c665092a09 100644
> --- a/northd/northd.h
> +++ b/northd/northd.h
> @@ -720,6 +720,7 @@ void northd_indices_create(struct northd_data *data,
>
> struct lflow_table;
> struct lr_stateful_tracked_data;
> +struct ls_stateful_tracked_data;
>
> void build_lflows(struct ovsdb_idl_txn *ovnsb_txn,
> struct lflow_input *input_data,
> @@ -738,6 +739,10 @@ bool lflow_handle_lr_stateful_changes(struct
> ovsdb_idl_txn *,
> struct lr_stateful_tracked_data *,
> struct lflow_input *,
> struct lflow_table *lflows);
> +bool lflow_handle_ls_stateful_changes(struct ovsdb_idl_txn *,
> + struct ls_stateful_tracked_data *,
> + struct lflow_input *,
> + struct lflow_table *lflows);
> bool northd_handle_sb_port_binding_changes(
> const struct sbrec_port_binding_table *, struct hmap *ls_ports,
> struct hmap *lr_ports);
> diff --git a/tests/ovn-northd.at b/tests/ovn-northd.at
> index f517057534..9b2886493c 100644
> --- a/tests/ovn-northd.at
> +++ b/tests/ovn-northd.at
> @@ -10603,12 +10603,13 @@ check ovn-nbctl --wait=sb ls-lb-add sw0 lb1
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> check_engine_stats lr_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> # A LB applied to a switch/router triggers:
> # - a recompute in the first iteration (handling northd change)
> # - a compute in the second iteration (handling SB update)
> check_engine_stats sync_to_sb_lb recompute compute
> -CHECK_NO_CHANGE_AFTER_RECOMPUTE(1)
> +check_engine_stats ls_stateful norecompute compute
> +check_engine_stats lflow norecompute compute
> +CHECK_NO_CHANGE_AFTER_RECOMPUTE((1))
Why the double parenthesis? Typo?
>
> # Modify the backend of the lb1 vip
> check as northd ovn-appctl -t NORTHD_TYPE inc-engine/clear-stats
> @@ -10616,7 +10617,8 @@ check ovn-nbctl --wait=sb set load_balancer lb1
> vips:'"10.0.0.10:80"'='"10.0.0.1
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> check_engine_stats lr_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats ls_stateful norecompute compute
> +check_engine_stats lflow norecompute compute
> check_engine_stats sync_to_sb_lb recompute compute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE(1)
>
> @@ -10626,7 +10628,8 @@ check ovn-nbctl --wait=sb clear load_Balancer lb1 vips
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> check_engine_stats lr_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats ls_stateful norecompute compute
> +check_engine_stats lflow norecompute compute
> check_engine_stats sync_to_sb_lb recompute compute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE(1)
>
> @@ -10636,7 +10639,8 @@ check ovn-nbctl --wait=sb lb-add lb1 10.0.0.10:80
> 10.0.0.3:80
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> check_engine_stats lr_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats ls_stateful norecompute compute
> +check_engine_stats lflow norecompute compute
> check_engine_stats sync_to_sb_lb recompute compute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE(1)
>
> @@ -10646,7 +10650,8 @@ check ovn-nbctl --wait=sb lb-add lb1 10.0.0.20:80
> 10.0.0.30:8080
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> check_engine_stats lr_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats ls_stateful norecompute compute
> +check_engine_stats lflow norecompute compute
> check_engine_stats sync_to_sb_lb recompute compute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE(1)
>
> @@ -10656,6 +10661,7 @@ check ovn-nbctl --wait=sb ls-lb-del sw0 lb1
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd recompute nocompute
> check_engine_stats lr_stateful recompute nocompute
> +check_engine_stats ls_stateful recompute nocompute
> check_engine_stats lflow recompute nocompute
> check_engine_stats sync_to_sb_lb recompute compute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE(1)
> @@ -10667,7 +10673,8 @@ check ovn-nbctl --wait=sb ls-lb-add sw0 lb1 --
> lsp-add sw0 sw0p1
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> check_engine_stats lr_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats ls_stateful norecompute compute
> +check_engine_stats lflow norecompute compute
> check_engine_stats sync_to_sb_lb recompute compute
>
> CHECK_NO_CHANGE_AFTER_RECOMPUTE
> @@ -10787,7 +10794,7 @@ check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> check_engine_stats lr_stateful norecompute compute
> check_engine_stats ls_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats lflow norecompute compute
> check_engine_stats sync_to_sb_lb recompute compute
>
> # Update lb and this should not result in northd recompute
> @@ -10795,8 +10802,9 @@ check as northd ovn-appctl -t NORTHD_TYPE
> inc-engine/clear-stats
> check ovn-nbctl --wait=sb set load_balancer . options:bar=foo
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> +check_engine_stats lr_stateful norecompute compute
> check_engine_stats ls_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats lflow norecompute compute
> check_engine_stats sync_to_sb_lb recompute compute
>
> # Modify the backend of the lb1 vip
> @@ -10806,7 +10814,7 @@ check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> check_engine_stats lr_stateful norecompute compute
> check_engine_stats ls_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats lflow norecompute compute
> check_engine_stats sync_to_sb_lb recompute compute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE
>
> @@ -10816,7 +10824,8 @@ check ovn-nbctl --wait=sb clear load_Balancer lb1 vips
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> check_engine_stats lr_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats ls_stateful norecompute compute
> +check_engine_stats lflow norecompute compute
> check_engine_stats sync_to_sb_lb recompute compute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE
>
> @@ -10826,7 +10835,8 @@ check ovn-nbctl --wait=sb lb-add lb1 10.0.0.10:80
> 10.0.0.3:80
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> check_engine_stats lr_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats ls_stateful norecompute compute
> +check_engine_stats lflow norecompute compute
> check_engine_stats sync_to_sb_lb recompute compute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE
>
> @@ -10836,7 +10846,8 @@ check ovn-nbctl --wait=sb lb-add lb1 10.0.0.20:80
> 10.0.0.30:8080
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> check_engine_stats lr_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats ls_stateful norecompute compute
> +check_engine_stats lflow norecompute compute
> check_engine_stats sync_to_sb_lb recompute compute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE
>
> @@ -10911,7 +10922,8 @@ check ovn-nbctl --wait=sb add logical_switch sw0
> load_balancer_group $lbg1_uuid
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> check_engine_stats lr_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats ls_stateful norecompute compute
> +check_engine_stats lflow norecompute compute
> check_engine_stats sync_to_sb_lb recompute compute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE
>
> @@ -10964,7 +10976,8 @@ check ovn-nbctl --wait=sb set logical_switch sw0
> load_balancer_group=$lbg1_uuid
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> check_engine_stats lr_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats ls_stateful norecompute compute
> +check_engine_stats lflow norecompute compute
> check_engine_stats sync_to_sb_lb recompute compute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE
>
> @@ -10982,7 +10995,8 @@ check ovn-nbctl --wait=sb ls-lb-add sw0 lb2
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> check_engine_stats lr_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats ls_stateful norecompute compute
> +check_engine_stats lflow norecompute compute
> check_engine_stats sync_to_sb_lb recompute nocompute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE
>
> @@ -10991,7 +11005,8 @@ check ovn-nbctl --wait=sb ls-lb-add sw0 lb3
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> check_engine_stats lr_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats ls_stateful norecompute compute
> +check_engine_stats lflow norecompute compute
> check_engine_stats sync_to_sb_lb recompute nocompute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE
>
> @@ -11019,6 +11034,7 @@ check ovn-nbctl --wait=sb lr-lb-del lr1 lb2
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd recompute nocompute
> check_engine_stats lr_stateful recompute nocompute
> +check_engine_stats ls_stateful recompute nocompute
> check_engine_stats lflow recompute nocompute
> check_engine_stats sync_to_sb_lb recompute nocompute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE
> @@ -11030,7 +11046,8 @@ check ovn-nbctl --wait=sb lb-del lb4
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> check_engine_stats lr_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats ls_stateful norecompute compute
> +check_engine_stats lflow norecompute compute
> check_engine_stats sync_to_sb_lb recompute compute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE
>
> @@ -11041,7 +11058,8 @@ check ovn-nbctl --wait=sb lb-del lb2
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> check_engine_stats lr_stateful norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats ls_stateful norecompute compute
> +check_engine_stats lflow norecompute compute
> check_engine_stats sync_to_sb_lb recompute compute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE
>
> @@ -11075,7 +11093,7 @@ check as northd ovn-appctl -t NORTHD_TYPE
> inc-engine/clear-stats
> check ovn-nbctl --wait=sb ls-lb-add sw0 lb1
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats lflow norecompute compute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE
>
> # Clear the VIPs of lb1
> @@ -11083,7 +11101,7 @@ check as northd ovn-appctl -t NORTHD_TYPE
> inc-engine/clear-stats
> check ovn-nbctl --wait=sb clear load_balancer . vips
> check_engine_stats lb_data norecompute compute
> check_engine_stats northd norecompute compute
> -check_engine_stats lflow recompute nocompute
> +check_engine_stats lflow norecompute compute
> CHECK_NO_CHANGE_AFTER_RECOMPUTE
>
> check as northd ovn-appctl -t NORTHD_TYPE inc-engine/clear-stats
Regards,
Dumitru
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