Add the nSocket module for dmm

Change-Id: I8b97fbe50c9c1c479072510b8d799fe711360da7
Signed-off-by: Yalei Wang <william.wangyalei@huawei.com>

1 files changed, 189 insertions, 0 deletions

diff --git a/src/nSocket/nstack_rd/nstack_rd_proto.c b/src/nSocket/nstack_rd/nstack_rd_proto.c
new file mode 100644
index 0000000..16f4e1f
--- /dev/null
+++ b/src/nSocket/nstack_rd/nstack_rd_proto.c
@@ -0,0 +1,189 @@
+/*
+*
+* Copyright (c) 2018 Huawei Technologies Co.,Ltd.
+* 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 <stdlib.h>
+#include <arpa/inet.h>
+#include "nstack_rd_data.h"
+#include "nstack_rd.h"
+#include "nstack_rd_init.h"
+#include "nstack_rd_priv.h"
+#include "nstack_rd_proto.h"
+#include "nstack_log.h"
+#include "nstack_securec.h"
+
+/*copy rd data*/
+int
+nstack_rd_proto_cpy (void *destdata, void *srcdata)
+{
+  rd_data_item *pitem = (rd_data_item *) destdata;
+  rd_route_data *pdata = (rd_route_data *) srcdata;
+  pitem->type = pdata->type;
+  pitem->proto_type = pdata->proto_type;
+  return NSTACK_RD_SUCCESS;
+}
+
+/*
+ * Add an ip segment to the list and sort it in descending order of ip mask length
+ * If the list already exists in the same list of ip side, then stack_id update
+ *ip is local byteorder
+ */
+int
+nstack_rd_proto_item_insert (nstack_rd_list * hlist, void *rditem)
+{
+  nstack_rd_node *pdatanode = NULL;
+  nstack_rd_node *tempdata = NULL;
+  struct hlist_node *tempnode = NULL;
+  rd_data_item *pitem = (rd_data_item *) rditem;
+
+  NSSOC_LOGDBG ("stackid:%d, protocol type:%d was inserted", pitem->stack_id,
+                pitem->proto_type);
+
+  pdatanode = (nstack_rd_node *) malloc (sizeof (nstack_rd_node));
+  if (!pdatanode)
+    {
+      NSSOC_LOGERR ("nstack rd item malloc fail");
+      return NSTACK_RD_FAIL;
+    }
+  int retVal =
+    MEMSET_S (pdatanode, sizeof (nstack_rd_node), 0, sizeof (nstack_rd_node));
+  if (EOK != retVal)
+    {
+      NSSOC_LOGERR ("MEMSET_S failed]retVal=%d", retVal);
+      free (pdatanode);
+      return NSTACK_RD_FAIL;
+    }
+  INIT_HLIST_NODE (&pdatanode->rdnode);
+  NSTACK_RD_PROTO_ITEM_COPY (&(pdatanode->item), pitem);
+  if (hlist_empty (&(hlist->headlist)))
+    {
+      hlist_add_head (&(pdatanode->rdnode), &(hlist->headlist));
+
+      return NSTACK_RD_SUCCESS;
+
+    }
+
+  hlist_for_each_entry (tempdata, tempnode, &(hlist->headlist), rdnode)
+  {
+    if (tempdata->item.proto_type == pitem->proto_type)
+
+      {
+        tempdata->item.stack_id = pitem->stack_id;
+        tempdata->item.agetime = NSTACK_RD_AGETIME_MAX;
+        free (pdatanode);
+        return NSTACK_RD_SUCCESS;
+      }
+  }
+  hlist_add_head (&(pdatanode->rdnode), &(hlist->headlist));
+
+  return NSTACK_RD_SUCCESS;
+
+}
+
+/*
+ *find stackid by ip
+ *input ip must netorder
+ */
+int
+nstack_rd_proto_item_find (nstack_rd_list * hlist, void *rdkey, void *outitem)
+{
+  struct hlist_node *tempnode = NULL;
+  nstack_rd_node *tempdata = NULL;
+  nstack_rd_key *key = (nstack_rd_key *) rdkey;
+  rd_data_item *pitem = (rd_data_item *) outitem;
+  hlist_for_each_entry (tempdata, tempnode, &(hlist->headlist), rdnode)
+  {
+
+    /*if already exist, just return success */
+    if (tempdata->item.proto_type == key->proto_type)
+
+      {
+        NSTACK_RD_PROTO_ITEM_COPY (pitem, &(tempdata->item));
+        return NSTACK_RD_SUCCESS;
+      }
+  }
+
+  NSSOC_LOGDBG ("protocol type item not found", key->proto_type);
+
+  return NSTACK_RD_FAIL;
+}
+
+/*****************************************************************************
+*   Prototype    : nstack_rd_ip_item_age
+*   Description  : delete the ip item that have not been add again for one time
+*   Input        : nstack_rd_list *hlist
+*   Output       : None
+*   Return Value : int
+*   Calls        :
+*   Called By    :
+*****************************************************************************/
+int
+nstack_rd_proto_item_age (nstack_rd_list * hlist)
+{
+  struct hlist_node *tempnode = NULL;
+  nstack_rd_node *tempdata = NULL;
+  nstack_rd_node *prevdata = NULL;
+  struct hlist_node *prevnode = NULL;
+  NSSOC_LOGINF ("nstack rd ip age begin");
+  hlist_for_each_entry (tempdata, tempnode, &(hlist->headlist), rdnode)
+  {
+    /*if agetime equal 0, remove it */
+    if (tempdata->item.agetime <= 0)
+      {
+        if (prevdata)
+          {
+            NSSOC_LOGDBG ("stackid:%d, protocol type was aged",
+                          tempdata->item.stack_id, tempdata->item.proto_type);
+
+            hlist_del_init (prevnode);
+            free (prevdata);
+          }
+        prevdata = tempdata;
+        prevnode = tempnode;
+      }
+    else
+      {
+        tempdata->item.agetime--;
+      }
+  }
+  if (prevdata)
+    {
+      if (tempdata)
+        {
+          NSSOC_LOGDBG ("stackid:%d, protocol type was aged",
+                        tempdata->item.stack_id, tempdata->item.proto_type);
+        }
+      hlist_del_init (prevnode);
+      free (prevdata);
+    }
+  NSSOC_LOGINF ("nstack rd ip age end");
+  return NSTACK_RD_SUCCESS;
+}
+
+/*
+ *find stackid by spec ip(multicast ip)
+ *input ip must netorder
+ */
+int
+nstack_rd_proto_spec (void *rdkey)
+{
+  return -1;
+}
+
+int
+nstack_rd_proto_default (void *rdkey)
+{
+  return -1;
+}