From bac3da61644515f05663789b122554dc77549286 Mon Sep 17 00:00:00 2001 From: Luca Muscariello Date: Thu, 17 Jan 2019 13:47:57 +0100 Subject: This is the first commit of the hicn project Change-Id: I6f2544ad9b9f8891c88cc4bcce3cf19bd3cc863f Signed-off-by: Luca Muscariello --- hicn-plugin/src/strategy_dpo_manager.c | 159 +++++++++++++++++++++++++++++++++ 1 file changed, 159 insertions(+) create mode 100755 hicn-plugin/src/strategy_dpo_manager.c (limited to 'hicn-plugin/src/strategy_dpo_manager.c') diff --git a/hicn-plugin/src/strategy_dpo_manager.c b/hicn-plugin/src/strategy_dpo_manager.c new file mode 100755 index 000000000..c1723eccc --- /dev/null +++ b/hicn-plugin/src/strategy_dpo_manager.c @@ -0,0 +1,159 @@ +/* + * 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 + +#include "strategy_dpo_manager.h" +#include "strategies/dpo_mw.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 (); + + 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: + */ -- cgit 1.2.3-korg