From 15ad172a847fa667c57a4594ef4158405db9a984 Mon Sep 17 00:00:00 2001
From: Angelo Mantellini <angelo.mantellini@cisco.com>
Date: Tue, 31 Mar 2020 17:50:43 +0200
Subject: [HICN-554] hicn-light refactoring
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Change-Id: I36f2d393741d4502ce14d3791158e43e3e9cd4cf
Signed-off-by: Jordan Augé <jordan.auge+fdio@cisco.com>
---
 hicn-light/src/hicn/core/listener_table.c | 107 ++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 hicn-light/src/hicn/core/listener_table.c

(limited to 'hicn-light/src/hicn/core/listener_table.c')

diff --git a/hicn-light/src/hicn/core/listener_table.c b/hicn-light/src/hicn/core/listener_table.c
new file mode 100644
index 000000000..e3cbb310d
--- /dev/null
+++ b/hicn-light/src/hicn/core/listener_table.c
@@ -0,0 +1,107 @@
+/*
+ * 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 listener_table.c
+ * \brief Implementation of hICN listener table
+ */
+
+#include <hicn/core/listener_table.h>
+#include <hicn/core/listener.h>
+
+/* This is only used for first allocation, as the table is resizeable */
+#define DEFAULT_LISTENER_TABLE_SIZE 64
+
+listener_table_t *
+listener_table_create(size_t elt_size, size_t max_elts)
+{
+    listener_table_t * table = malloc(sizeof(listener_table_t));
+    if (!table)
+        return NULL;
+
+    table->id_by_name = kh_init_lt_name();
+    table->id_by_key = kh_init_lt_key();
+    pool_init(table->listeners, DEFAULT_LISTENER_TABLE_SIZE);
+
+    return table;
+}
+
+void
+listener_table_free(listener_table_t * table)
+{
+    kh_destroy_lt_name(table->id_by_name);
+    kh_destroy_lt_key(table->id_by_key);
+    pool_free(table->listeners);
+    free(table);
+}
+
+listener_t *
+listener_table_get_by_address(listener_table_t * table,
+        face_type_t type, const address_t * address)
+{
+    listener_key_t key;
+    //XXX
+    memset(&key, 0, sizeof(listener_key_t));
+    key = (listener_key_t) {
+        .type = type,
+        .address = *address,
+    };
+    khiter_t k = kh_get_lt_key(table->id_by_key, &key);
+    if (k == kh_end(table->id_by_key))
+        return NULL;
+    return listener_table_at(table, kh_val(table->id_by_key, k));
+}
+
+void
+listener_table_remove_by_id(listener_table_t * table, off_t id)
+{
+    /*
+     * Get the listener address so as to be able to remove it from the
+     * hash table index
+     */
+    listener_t * listener = listener_table_at(table, id);
+    const char * name = listener_get_name(listener);
+    listener_key_t * key = listener_get_key(listener);
+    khiter_t k;
+    k = kh_get_lt_name(table->id_by_name, name);
+    kh_del_lt_name(table->id_by_name, k);
+    k = kh_get_lt_key(table->id_by_key, key);
+    kh_del_lt_key(table->id_by_key, k);
+
+    pool_put(table->listeners, listener);
+}
+
+listener_t *
+listener_table_get_by_name(listener_table_t * table, const char * name)
+{
+    khiter_t k = kh_get_lt_name(table->id_by_name, name);
+    if (k == kh_end(table->id_by_name))
+        return NULL;
+    return listener_table_at(table, kh_val(table->id_by_name, k));
+}
+
+#if 0
+unsigned
+listener_table_add(listener_table_t * table, listener_t * listener)
+{
+    // XXX missing hash and key storage
+    listener_t * lst;
+    pool_get(table->listeners, lst);
+    lst = listener;
+    unsigned listener_id = lst - table,
+    Listener_SetId(listener, listener_id);
+    return listener_id;
+}
+#endif
-- 
cgit 1.2.3-korg