1 files changed, 159 insertions, 0 deletions
diff --git a/hicn-plugin/src/strategy_dpo_manager.c b/hicn-plugin/src/strategy_dpo_manager.c
new file mode 100755
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+++ 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 <vnet/dpo/dpo.h>
+
+#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:
+ */