On 9/22/22 08:26, Han Zhou wrote:
> On Wed, Sep 14, 2022 at 6:09 AM Dumitru Ceara <[email protected]> wrote:
>>
>> There's no need to explicitly cast the result of EN_OVSDB_GET() to the IDL
>> table type.  The only thing we need is to match constness.  That's also
>> fine because, as a matter of fact, IDL table objects should never be
>> changed by IDL clients.
>>
>> Signed-off-by: Dumitru Ceara <[email protected]>
>> ---
>>  controller/ovn-controller.c |  190
> +++++++++++++++++--------------------------
>>  1 file changed, 76 insertions(+), 114 deletions(-)
>>
>> diff --git a/controller/ovn-controller.c b/controller/ovn-controller.c
>> index 89a495a04..6bedb91dc 100644
>> --- a/controller/ovn-controller.c
>> +++ b/controller/ovn-controller.c
>> @@ -1061,7 +1061,7 @@ en_ofctrl_is_connected_run(struct engine_node
> *node, void *data)
>>   *    has completed but the new IDL data is yet to refresh, so we
> replace the
>>   *    old data with the current data. */
>>  struct ed_type_ovs_interface_shadow {
>> -    struct ovsrec_interface_table *iface_table;
>> +    const struct ovsrec_interface_table *iface_table;
>>      struct shash iface_table_external_ids_old;
>>  };
>>
>> @@ -1118,9 +1118,8 @@ static void
>>  en_ovs_interface_shadow_run(struct engine_node *node, void *data_)
>>  {
>>      struct ed_type_ovs_interface_shadow *data = data_;
>> -    struct ovsrec_interface_table *iface_table =
>> -        (struct ovsrec_interface_table *)EN_OVSDB_GET(
>> -            engine_get_input("OVS_interface", node));
>> +    const struct ovsrec_interface_table *iface_table =
>> +        EN_OVSDB_GET(engine_get_input("OVS_interface", node));
>>      data->iface_table = iface_table;
>>      engine_set_node_state(node, EN_UPDATED);
>>  }
>> @@ -1365,12 +1364,10 @@ init_binding_ctx(struct engine_node *node,
>>                   struct binding_ctx_in *b_ctx_in,
>>                   struct binding_ctx_out *b_ctx_out)
>>  {
>> -    struct ovsrec_open_vswitch_table *ovs_table =
>> -        (struct ovsrec_open_vswitch_table *)EN_OVSDB_GET(
>> -            engine_get_input("OVS_open_vswitch", node));
>> -    struct ovsrec_bridge_table *bridge_table =
>> -        (struct ovsrec_bridge_table *)EN_OVSDB_GET(
>> -            engine_get_input("OVS_bridge", node));
>> +    const struct ovsrec_open_vswitch_table *ovs_table =
>> +        EN_OVSDB_GET(engine_get_input("OVS_open_vswitch", node));
>> +    const struct ovsrec_bridge_table *bridge_table =
>> +        EN_OVSDB_GET(engine_get_input("OVS_bridge", node));
>>      const char *chassis_id = get_ovs_chassis_id(ovs_table);
>>      const struct ovsrec_bridge *br_int = get_br_int(bridge_table,
> ovs_table);
>>
>> @@ -1385,20 +1382,17 @@ init_binding_ctx(struct engine_node *node,
>>          = chassis_lookup_by_name(sbrec_chassis_by_name, chassis_id);
>>      ovs_assert(chassis);
>>
>> -    struct ovsrec_port_table *port_table =
>> -        (struct ovsrec_port_table *)EN_OVSDB_GET(
>> -            engine_get_input("OVS_port", node));
>> +    const struct ovsrec_port_table *port_table =
>> +        EN_OVSDB_GET(engine_get_input("OVS_port", node));
>>
>>      struct ed_type_ovs_interface_shadow *iface_shadow =
>>          engine_get_input_data("ovs_interface_shadow", node);
>>
>> -    struct ovsrec_qos_table *qos_table =
>> -        (struct ovsrec_qos_table *)EN_OVSDB_GET(
>> -            engine_get_input("OVS_qos", node));
>> +    const struct ovsrec_qos_table *qos_table =
>> +        EN_OVSDB_GET(engine_get_input("OVS_qos", node));
>>
>> -    struct sbrec_port_binding_table *pb_table =
>> -        (struct sbrec_port_binding_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_port_binding", node));
>> +    const struct sbrec_port_binding_table *pb_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_port_binding", node));
>>
>>      struct ovsdb_idl_index *sbrec_datapath_binding_by_key =
>>          engine_ovsdb_node_get_index(
>> @@ -1955,9 +1949,8 @@ en_port_groups_run(struct engine_node *node, void
> *data)
>>      expr_const_sets_destroy(&pg->port_groups_cs_local);
>>      port_group_ssets_clear(&pg->port_group_ssets);
>>
>> -    struct sbrec_port_group_table *pg_table =
>> -        (struct sbrec_port_group_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_port_group", node));
>> +    const struct sbrec_port_group_table *pg_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_port_group", node));
>>
>>      struct ed_type_runtime_data *rt_data =
>>          engine_get_input_data("runtime_data", node);
>> @@ -1973,9 +1966,8 @@ port_groups_sb_port_group_handler(struct
> engine_node *node, void *data)
>>  {
>>      struct ed_type_port_groups *pg = data;
>>
>> -    struct sbrec_port_group_table *pg_table =
>> -        (struct sbrec_port_group_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_port_group", node));
>> +    const struct sbrec_port_group_table *pg_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_port_group", node));
>>
>>      struct ed_type_runtime_data *rt_data =
>>          engine_get_input_data("runtime_data", node);
>> @@ -1998,12 +1990,10 @@ port_groups_sb_port_group_handler(struct
> engine_node *node, void *data)
>>  static bool
>>  port_groups_runtime_data_handler(struct engine_node *node, void *data)
>>  {
>> +    const struct sbrec_port_group_table *pg_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_port_group", node));
>>      struct ed_type_port_groups *pg = data;
>>
>> -    struct sbrec_port_group_table *pg_table =
>> -        (struct sbrec_port_group_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_port_group", node));
>> -
>>      struct ed_type_runtime_data *rt_data =
>>          engine_get_input_data("runtime_data", node);
>>
>> @@ -2072,12 +2062,10 @@ static void *
>>  en_ct_zones_init(struct engine_node *node, struct engine_arg *arg
> OVS_UNUSED)
>>  {
>>      struct ed_type_ct_zones *data = xzalloc(sizeof *data);
>> -    struct ovsrec_open_vswitch_table *ovs_table =
>> -        (struct ovsrec_open_vswitch_table *)EN_OVSDB_GET(
>> -            engine_get_input("OVS_open_vswitch", node));
>> -    struct ovsrec_bridge_table *bridge_table =
>> -        (struct ovsrec_bridge_table *)EN_OVSDB_GET(
>> -            engine_get_input("OVS_bridge", node));
>> +    const struct ovsrec_open_vswitch_table *ovs_table =
>> +        EN_OVSDB_GET(engine_get_input("OVS_open_vswitch", node));
>> +    const struct ovsrec_bridge_table *bridge_table =
>> +        EN_OVSDB_GET(engine_get_input("OVS_bridge", node));
>>
>>      shash_init(&data->pending);
>>      simap_init(&data->current);
>> @@ -2130,9 +2118,8 @@ ct_zones_datapath_binding_handler(struct
> engine_node *node, void *data)
>>      const struct sbrec_datapath_binding *dp;
>>      struct ed_type_runtime_data *rt_data =
>>          engine_get_input_data("runtime_data", node);
>> -    struct sbrec_datapath_binding_table *dp_table =
>> -        (struct sbrec_datapath_binding_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_datapath_binding", node));
>> +    const struct sbrec_datapath_binding_table *dp_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_datapath_binding", node));
>>
>>      SBREC_DATAPATH_BINDING_TABLE_FOR_EACH_TRACKED (dp, dp_table) {
>>          if (!get_local_datapath(&rt_data->local_datapaths,
>> @@ -2430,12 +2417,10 @@ en_non_vif_data_run(struct engine_node *node,
> void *data)
>>      simap_init(&ed_non_vif_data->patch_ofports);
>>      hmap_init(&ed_non_vif_data->chassis_tunnels);
>>
>> -    struct ovsrec_open_vswitch_table *ovs_table =
>> -        (struct ovsrec_open_vswitch_table *)EN_OVSDB_GET(
>> -            engine_get_input("OVS_open_vswitch", node));
>> -    struct ovsrec_bridge_table *bridge_table =
>> -        (struct ovsrec_bridge_table *)EN_OVSDB_GET(
>> -            engine_get_input("OVS_bridge", node));
>> +    const struct ovsrec_open_vswitch_table *ovs_table =
>> +        EN_OVSDB_GET(engine_get_input("OVS_open_vswitch", node));
>> +    const struct ovsrec_bridge_table *bridge_table =
>> +        EN_OVSDB_GET(engine_get_input("OVS_bridge", node));
>>
>>      const struct ovsrec_bridge *br_int = get_br_int(bridge_table,
> ovs_table);
>>      const char *chassis_id = get_ovs_chassis_id(ovs_table);
>> @@ -2458,9 +2443,8 @@ en_non_vif_data_run(struct engine_node *node, void
> *data)
>>  static bool
>>  non_vif_data_ovs_iface_handler(struct engine_node *node, void *data
> OVS_UNUSED)
>>  {
>> -    struct ovsrec_interface_table *iface_table =
>> -        (struct ovsrec_interface_table *)EN_OVSDB_GET(
>> -            engine_get_input("OVS_interface", node));
>> +    const struct ovsrec_interface_table *iface_table =
>> +        EN_OVSDB_GET(engine_get_input("OVS_interface", node));
>>
>>      return local_nonvif_data_handle_ovs_iface_changes(iface_table);
>>  }
>> @@ -2597,49 +2581,38 @@ init_lflow_ctx(struct engine_node *node,
>>                  engine_get_input("SB_static_mac_binding", node),
>>                  "datapath");
>>
>> -    struct sbrec_port_binding_table *port_binding_table =
>> -        (struct sbrec_port_binding_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_port_binding", node));
>> +    const struct sbrec_port_binding_table *port_binding_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_port_binding", node));
>>
>> -    struct sbrec_dhcp_options_table *dhcp_table =
>> -        (struct sbrec_dhcp_options_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_dhcp_options", node));
>> +    const struct sbrec_dhcp_options_table *dhcp_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_dhcp_options", node));
>>
>> -    struct sbrec_dhcpv6_options_table *dhcpv6_table =
>> -        (struct sbrec_dhcpv6_options_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_dhcpv6_options", node));
>> +    const struct sbrec_dhcpv6_options_table *dhcpv6_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_dhcpv6_options", node));
>>
>> -    struct sbrec_mac_binding_table *mac_binding_table =
>> -        (struct sbrec_mac_binding_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_mac_binding", node));
>> +    const struct sbrec_mac_binding_table *mac_binding_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_mac_binding", node));
>>
>> -    struct sbrec_logical_flow_table *logical_flow_table =
>> -        (struct sbrec_logical_flow_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_logical_flow", node));
>> +    const struct sbrec_logical_flow_table *logical_flow_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_logical_flow", node));
>>
>> -    struct sbrec_logical_dp_group_table *logical_dp_group_table =
>> -        (struct sbrec_logical_dp_group_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_logical_dp_group", node));
>> +    const struct sbrec_logical_dp_group_table *logical_dp_group_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_logical_dp_group", node));
>>
>> -    struct sbrec_multicast_group_table *multicast_group_table =
>> -        (struct sbrec_multicast_group_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_multicast_group", node));
>> +    const struct sbrec_multicast_group_table *multicast_group_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_multicast_group", node));
>>
>> -    struct sbrec_load_balancer_table *lb_table =
>> -        (struct sbrec_load_balancer_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_load_balancer", node));
>> +    const struct sbrec_load_balancer_table *lb_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_load_balancer", node));
>>
>> -    struct sbrec_fdb_table *fdb_table =
>> -        (struct sbrec_fdb_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_fdb", node));
>> +    const struct sbrec_fdb_table *fdb_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_fdb", node));
>>
>> -    struct sbrec_static_mac_binding_table *smb_table =
>> -        (struct sbrec_static_mac_binding_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_static_mac_binding", node));
>> +    const struct sbrec_static_mac_binding_table *smb_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_static_mac_binding", node));
>>
>> -    struct ovsrec_open_vswitch_table *ovs_table =
>> -        (struct ovsrec_open_vswitch_table *)EN_OVSDB_GET(
>> -            engine_get_input("OVS_open_vswitch", node));
>> +    const struct ovsrec_open_vswitch_table *ovs_table =
>> +        EN_OVSDB_GET(engine_get_input("OVS_open_vswitch", node));
>>
>>      const char *chassis_id = get_ovs_chassis_id(ovs_table);
>>      const struct sbrec_chassis *chassis = NULL;
>> @@ -2754,12 +2727,10 @@ en_lflow_output_cleanup(void *data)
>>  static void
>>  en_lflow_output_run(struct engine_node *node, void *data)
>>  {
>> -    struct ovsrec_open_vswitch_table *ovs_table =
>> -        (struct ovsrec_open_vswitch_table *)EN_OVSDB_GET(
>> -            engine_get_input("OVS_open_vswitch", node));
>> -    struct ovsrec_bridge_table *bridge_table =
>> -        (struct ovsrec_bridge_table *)EN_OVSDB_GET(
>> -            engine_get_input("OVS_bridge", node));
>> +    const struct ovsrec_open_vswitch_table *ovs_table =
>> +        EN_OVSDB_GET(engine_get_input("OVS_open_vswitch", node));
>> +    const struct ovsrec_bridge_table *bridge_table =
>> +        EN_OVSDB_GET(engine_get_input("OVS_bridge", node));
>>      const struct ovsrec_bridge *br_int = get_br_int(bridge_table,
> ovs_table);
>>      const char *chassis_id = get_ovs_chassis_id(ovs_table);
>>
>> @@ -2826,9 +2797,8 @@ lflow_output_sb_mac_binding_handler(struct
> engine_node *node, void *data)
>>                  engine_get_input("SB_port_binding", node),
>>                  "name");
>>
>> -    struct sbrec_mac_binding_table *mac_binding_table =
>> -        (struct sbrec_mac_binding_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_mac_binding", node));
>> +    const struct sbrec_mac_binding_table *mac_binding_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_mac_binding", node));
>>
>>      struct ed_type_runtime_data *rt_data =
>>          engine_get_input_data("runtime_data", node);
>> @@ -2852,9 +2822,8 @@ lflow_output_sb_static_mac_binding_handler(struct
> engine_node *node,
>>                  engine_get_input("SB_port_binding", node),
>>                  "name");
>>
>> -    struct sbrec_static_mac_binding_table *smb_table =
>> -        (struct sbrec_static_mac_binding_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_static_mac_binding", node));
>> +    const struct sbrec_static_mac_binding_table *smb_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_static_mac_binding", node));
>>
>>      struct ed_type_runtime_data *rt_data =
>>          engine_get_input_data("runtime_data", node);
>> @@ -3099,9 +3068,8 @@ static bool
>>  lflow_output_sb_meter_handler(struct engine_node *node, void *data)
>>  {
>>      struct ed_type_lflow_output *fo = data;
>> -    struct sbrec_meter_table *meter_table =
>> -        (struct sbrec_meter_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_meter", node));
>> +    const struct sbrec_meter_table *meter_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_meter", node));
>>
>>      const struct sbrec_meter *iter;
>>      SBREC_METER_TABLE_FOR_EACH_TRACKED (iter, meter_table) {
>> @@ -3135,27 +3103,22 @@ static void init_physical_ctx(struct engine_node
> *node,
>>                  engine_get_input("SB_port_binding", node),
>>                  "datapath");
>>
>> -    struct sbrec_multicast_group_table *multicast_group_table =
>> -        (struct sbrec_multicast_group_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_multicast_group", node));
>> +    const struct sbrec_multicast_group_table *multicast_group_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_multicast_group", node));
>>
>> -    struct sbrec_port_binding_table *port_binding_table =
>> -        (struct sbrec_port_binding_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_port_binding", node));
>> +    const struct sbrec_port_binding_table *port_binding_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_port_binding", node));
>>
>> -    struct sbrec_chassis_table *chassis_table =
>> -        (struct sbrec_chassis_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_chassis", node));
>> +    const struct sbrec_chassis_table *chassis_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_chassis", node));
>>
>> -    struct ed_type_mff_ovn_geneve *ed_mff_ovn_geneve =
>> +    const struct ed_type_mff_ovn_geneve *ed_mff_ovn_geneve =
>>          engine_get_input_data("mff_ovn_geneve", node);
>>
>> -    struct ovsrec_open_vswitch_table *ovs_table =
>> -        (struct ovsrec_open_vswitch_table *)EN_OVSDB_GET(
>> -            engine_get_input("OVS_open_vswitch", node));
>> -    struct ovsrec_bridge_table *bridge_table =
>> -        (struct ovsrec_bridge_table *)EN_OVSDB_GET(
>> -            engine_get_input("OVS_bridge", node));
>> +    const struct ovsrec_open_vswitch_table *ovs_table =
>> +        EN_OVSDB_GET(engine_get_input("OVS_open_vswitch", node));
>> +    const struct ovsrec_bridge_table *bridge_table =
>> +        EN_OVSDB_GET(engine_get_input("OVS_bridge", node));
>>      const struct ovsrec_bridge *br_int = get_br_int(bridge_table,
> ovs_table);
>>      const char *chassis_id = get_ovs_chassis_id(ovs_table);
>>      const struct sbrec_chassis *chassis = NULL;
>> @@ -3440,9 +3403,8 @@ static bool
>>  pflow_lflow_output_sb_chassis_handler(struct engine_node *node,
>>                                        void *data OVS_UNUSED)
>>  {
>> -    struct sbrec_chassis_table *chassis_table =
>> -        (struct sbrec_chassis_table *)EN_OVSDB_GET(
>> -            engine_get_input("SB_chassis", node));
>> +    const struct sbrec_chassis_table *chassis_table =
>> +        EN_OVSDB_GET(engine_get_input("SB_chassis", node));
>>
>>      const struct sbrec_chassis *ch;
>>      SBREC_CHASSIS_TABLE_FOR_EACH_TRACKED (ch, chassis_table) {
>>
>> _______________________________________________
>> dev mailing list
>> [email protected]
>> https://mail.openvswitch.org/mailman/listinfo/ovs-dev
> 
> Acked-by: Han Zhou <[email protected]>
> 

Thanks for the reviews, Ales and Han!

As this patch (1/3) is quite independent of the other two in the series
I went ahead and I applied it to the main branch and I'll respin a v2 of
the others.

Regards,
Dumitru

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