1 files changed, 105 insertions, 0 deletions
diff --git a/hicn-light/src/hicn/strategies/local_remote.c b/hicn-light/src/hicn/strategies/local_remote.c
new file mode 100644
index 000000000..7edf62643
--- /dev/null
+++ b/hicn-light/src/hicn/strategies/local_remote.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2021 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 <hicn/core/nexthops.h>
+#include <hicn/core/forwarder.h>
+
+#include "local_remote.h"
+
+static int strategy_local_remote_initialize(strategy_entry_t *entry,
+                                            const void *forwarder) {
+  printf("INIT FWD STRATEGY REMOTE LOCAL\n");
+  srand((unsigned int)time(NULL));
+  entry->forwarder = forwarder;
+  return 0;
+}
+
+static int strategy_local_remote_finalize(strategy_entry_t *entry) {
+  /* Nothing to do */
+  return 0;
+}
+
+static int strategy_local_remote_add_nexthop(strategy_entry_t *entry,
+                                             nexthops_t *nexthops,
+                                             off_t offset) {
+  /* Nothing to do */
+  return 0;
+}
+
+static int strategy_local_remote_remove_nexthop(strategy_entry_t *entry,
+                                                nexthops_t *nexthops,
+                                                off_t offset) {
+  /* Nothing to do */
+  return 0;
+}
+
+static nexthops_t *strategy_local_remote_lookup_nexthops(
+    strategy_entry_t *entry, nexthops_t *nexthops, const msgbuf_t *msgbuf) {
+  if (!entry->forwarder) {
+    // the forwarder does not exists, drop packet
+    nexthops_disable_all(nexthops);
+    return nexthops;
+  }
+
+  unsigned cid = msgbuf_get_connection_id(msgbuf);
+  connection_table_t *table = forwarder_get_connection_table(entry->forwarder);
+  if (!table) {
+    // the connection table does not exists, drop packet.
+    nexthops_disable_all(nexthops);
+    return nexthops;
+  }
+
+  connection_t *in = connection_table_get_by_id(table, cid);
+  if (!in) {
+    // the ingress connection does not exists, drop packet.
+    nexthops_disable_all(nexthops);
+    return nexthops;
+  }
+
+  bool in_is_local = connection_is_local(in);
+  nexthops_enumerate(nexthops, i, nexthop, {
+    connection_t *out = connection_table_get_by_id(table, nexthop);
+    if (out) {
+      if (connection_is_local(out) != in_is_local) {
+        // this connection satisfies the requirements, send the intetest here.
+        nexthops_select(nexthops, i);
+        return nexthops;
+      }
+    }
+  });
+
+  // no out connection satisfies the requirements, drop packet.
+  nexthops_disable_all(nexthops);
+  return nexthops;
+}
+
+static int strategy_local_remote_on_data(strategy_entry_t *entry,
+                                         nexthops_t *nexthops,
+                                         const nexthops_t *data_nexthops,
+                                         const msgbuf_t *msgbuf,
+                                         Ticks pitEntryCreation,
+                                         Ticks objReception) {
+  /* Nothing to do */
+  return 0;
+}
+
+static int strategy_local_remote_on_timeout(
+    strategy_entry_t *entry, nexthops_t *nexthops,
+    const nexthops_t *timeout_nexthops) {
+  /* Nothing to do */
+  return 0;
+}
+
+DECLARE_STRATEGY(local_remote);