1 files changed, 89 insertions, 0 deletions
diff --git a/hicn-light/src/hicn/core/connection_table.c b/hicn-light/src/hicn/core/connection_table.c
new file mode 100644
index 000000000..fd8013b73
--- /dev/null
+++ b/hicn-light/src/hicn/core/connection_table.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2020 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.
+ */
+
+/**
+ * \file connection_table.c
+ * \brief Implementation of hICN connection table
+ */
+
+#include <hicn/core/connection.h>
+#include <hicn/core/connection_table.h>
+
+/* This is only used for first allocation, as the table is resizeable */
+#define DEFAULT_CONNECTION_TABLE_SIZE 64
+
+connection_table_t *
+connection_table_create(size_t elt_size, size_t max_elts)
+{
+    connection_table_t * table = malloc(sizeof(connection_table_t));
+    if (!table)
+        return NULL;
+
+    table->id_by_pair = kh_init_ct_pair();
+    table->id_by_name = kh_init_ct_name();
+    pool_init(table->connections, DEFAULT_CONNECTION_TABLE_SIZE);
+
+    return table;
+}
+
+void
+connection_table_free(connection_table_t * table)
+{
+    kh_destroy_ct_pair(table->id_by_pair);
+    kh_destroy_ct_name(table->id_by_name);
+    pool_free(table->connections);
+    free(table);
+}
+
+connection_t *
+connection_table_get_by_pair(const connection_table_t * table,
+        const address_pair_t * pair)
+{
+  khiter_t k = kh_get_ct_pair(table->id_by_pair, pair);
+  if (k == kh_end(table->id_by_pair))
+      return NULL;
+  return table->connections + kh_val(table->id_by_pair, k);
+}
+
+unsigned
+connection_table_get_id_by_name(const connection_table_t * table,
+        const char * name)
+{
+    khiter_t k = kh_get_ct_name(table->id_by_name, name);
+    if (k == kh_end(table->id_by_name))
+        return CONNECTION_ID_UNDEFINED;
+    return kh_val(table->id_by_name, k);
+}
+
+connection_t *
+connection_table_get_by_name(const connection_table_t * table,
+        const char * name)
+{
+    unsigned conn_id = connection_table_get_id_by_name(table, name);
+    if (!connection_id_is_valid(conn_id))
+        return NULL;
+    return table->connections + conn_id;
+}
+
+void
+connection_table_remove_by_id(connection_table_t * table, off_t id)
+{
+    /*
+     * Get the connection addresspair & name so as to be able to remove them
+     * from the hash table index
+     */
+    connection_t * connection = connection_table_at(table, id);
+    connection_table_deallocate(table, connection);
+}