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/*
* Copyright (c) 2017-2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <vnet/dpo/dpo.h>
#include "strategy_dpo_manager.h"
#include "strategies/dpo_mw.h"
#include "strategies/dpo_rr.h"
#include "strategy.h"
#include "faces/face.h"
static dpo_type_t *strategies_id;
static const hicn_dpo_vft_t **hicn_dpo_vfts;
static const hicn_strategy_vft_t **hicn_strategy_vfts;
int hicn_strategies = 0;
hicn_dpo_vft_t default_dpo;
dpo_type_t
hicn_dpo_register_new_type (const char *const *const *hicn_nodes,
const hicn_dpo_vft_t * hicn_dpo_vft,
const hicn_strategy_vft_t * hicn_strategy_vft,
const dpo_vft_t * dpo_ctx_vft)
{
dpo_type_t dpo_type = dpo_register_new_type (dpo_ctx_vft, hicn_nodes);
vec_validate (hicn_dpo_vfts, dpo_type);
hicn_dpo_vfts[dpo_type] = hicn_dpo_vft;
vec_validate (hicn_strategy_vfts, dpo_type);
hicn_strategy_vfts[dpo_type] = hicn_strategy_vft;
vec_validate (strategies_id, hicn_strategies);
strategies_id[hicn_strategies] = dpo_type;
hicn_strategies++;
return dpo_type;
}
u32
dpo_is_hicn (const dpo_id_t * dpo)
{
for (int i = 0; i < hicn_strategies; i++)
{
if (hicn_dpo_vfts[strategies_id[i]]->hicn_dpo_is_type (dpo))
return 1;
}
return 0;
}
dpo_type_t
hicn_dpo_get_vft_id (const dpo_id_t * dpo)
{
return dpo->dpoi_type;
}
const hicn_dpo_vft_t *
hicn_dpo_get_vft (dpo_type_t vfts_id)
{
return hicn_dpo_vfts[vfts_id];
}
const hicn_dpo_vft_t *
hicn_dpo_get_vft_from_id (u8 strategy_id)
{
return hicn_dpo_vfts[strategies_id[strategy_id]];
}
const hicn_strategy_vft_t *
hicn_dpo_get_strategy_vft (dpo_type_t vfts_id)
{
return hicn_strategy_vfts[vfts_id];
}
const hicn_strategy_vft_t *
hicn_dpo_get_strategy_vft_from_id (u8 vfts_id)
{
return hicn_strategy_vfts[strategies_id[vfts_id]];
}
void
hicn_dpos_init (void)
{
hicn_dpo_strategy_mw_module_init ();
hicn_dpo_strategy_rr_module_init ();
default_dpo.hicn_dpo_get_ctx = &hicn_strategy_mw_ctx_get;
default_dpo.hicn_dpo_is_type = &hicn_dpo_is_type_strategy_mw;
default_dpo.hicn_dpo_get_type = &hicn_dpo_strategy_mw_get_type;
default_dpo.hicn_dpo_module_init = &hicn_dpo_strategy_mw_module_init;
default_dpo.hicn_dpo_create = &hicn_strategy_mw_ctx_create;
default_dpo.hicn_dpo_add_update_nh = &hicn_strategy_mw_ctx_add_nh;
default_dpo.hicn_dpo_del_nh = &hicn_strategy_mw_ctx_del_nh;
default_dpo.hicn_dpo_lock_dpo_ctx = &hicn_strategy_mw_ctx_lock;
default_dpo.hicn_dpo_unlock_dpo_ctx = hicn_strategy_mw_ctx_unlock;
default_dpo.format_hicn_dpo = &format_hicn_strategy_mw_ctx;
}
u8 *
format_hicn_strategy_list (u8 * s, int n, ...)
{
va_list ap;
va_start (ap, n);
u32 indent = va_arg (ap, u32);
va_end (ap);
s = format (s, "Strategies:\n", indent);
indent += 4;
int i;
vec_foreach_index (i, strategies_id)
{
s = format (s, "(%d) ", i, indent);
s = hicn_dpo_vfts[strategies_id[i]]->format_hicn_dpo (s, &ap);
}
return (s);
}
u8
hicn_dpo_strategy_id_is_valid (int strategy_id)
{
return vec_len (strategies_id) > strategy_id ?
HICN_ERROR_NONE : HICN_ERROR_DPO_MGR_ID_NOT_VALID;
}
int
hicn_strategy_get_all_available (void)
{
return hicn_strategies;
}
/**
* @brief Registers a dpo by calling its module init function.
*
* This is typically called from the ctor for dpo's registered at compilation
* time.
*/
void
hicn_dpo_register (const hicn_dpo_vft_t * hicn_dpo)
{
hicn_dpo->hicn_dpo_module_init ();
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables: eval: (c-set-style "gnu") End:
*/
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