resource/csdk/connectivity/src/ip_adapter/caipnwmonitor_common.c

   1 /******************************************************************
   2 *
   3 * Copyright 2019 Samsung Electronics All Rights Reserved.
   4 *
   5 *
   6 *
   7 * Licensed under the Apache License, Version 2.0 (the "License");
   8 * you may not use this file except in compliance with the License.
   9 * You may obtain a copy of the License at
  10 *
  11 *      http://www.apache.org/licenses/LICENSE-2.0
  12 *
  13 * Unless required by applicable law or agreed to in writing, software
  14 * distributed under the License is distributed on an "AS IS" BASIS,
  15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16 * See the License for the specific language governing permissions and
  17 * limitations under the License.
  18 *
  19 ******************************************************************/
  20
  21 #include "caipnwmonitor.h"
  22 #include "caipnwmonitor_common.h"
  23
  24 #include "utlist.h"
  25 #include "logger.h"
  26
  27 #define TAG "OIC_CA_IP_MONITOR_COMMON"
  28
  29 /**
  30  * @todo For Windows platform: Implement network interface monitoring.
  31  * Not used in win32, but caipserver currently requires this function
  32  * be defined. not critical.
  33  */
  34 int CAGetPollingInterval(int interval)
  35 {
  36     return interval;
  37 }
  38
  39 void CAIPPassNetworkChangesToAdapterInternal(CANetworkStatus_t status,
  40     CAIPCBData_t *adapterCallbackList, CAIPAdapterPlatform_t platform)
  41 {
  42     CAIPCBData_t *cbitem = NULL;
  43     LL_FOREACH(adapterCallbackList, cbitem)
  44     {
  45         if (cbitem && cbitem->adapter)
  46         {
  47             cbitem->callback(cbitem->adapter, status);
  48             if (platform == CA_IP_NW_COMMON_LINUX)
  49             {
  50                 CALogAdapterStateInfo(cbitem->adapter, status);
  51             }
  52         }
  53     }
  54 }
  55
  56 CAResult_t CAIPSetNetworkMonitorCallbackInternal(CAIPAdapterStateChangeCallback callback,
  57                                          CATransportAdapter_t adapter, CAIPCBData_t *adapterCallbackList)
  58 {
  59     if (!callback)
  60     {
  61         OIC_LOG(ERROR, TAG, "callback is null");
  62         return CA_STATUS_INVALID_PARAM;
  63     }
  64
  65     CAIPCBData_t *cbitem = NULL;
  66     LL_FOREACH(adapterCallbackList, cbitem)
  67     {
  68         if (cbitem && adapter == cbitem->adapter && callback == cbitem->callback)
  69         {
  70             OIC_LOG(DEBUG, TAG, "this callback is already added");
  71             return CA_STATUS_OK;
  72         }
  73     }
  74
  75     cbitem = (CAIPCBData_t *)OICCalloc(1, sizeof(*cbitem));
  76     if (!cbitem)
  77     {
  78         OIC_LOG(ERROR, TAG, "Malloc failed");
  79         return CA_STATUS_FAILED;
  80     }
  81
  82     cbitem->adapter = adapter;
  83     cbitem->callback = callback;
  84     LL_APPEND(adapterCallbackList, cbitem);
  85
  86     return CA_STATUS_OK;
  87 }
  88
  89 CAResult_t CAIPUnSetNetworkMonitorCallbackInternal(CATransportAdapter_t adapter,
  90                                          CAIPCBData_t *adapterCallbackList)
  91 {
  92     CAIPCBData_t *cbitem = NULL;
  93     CAIPCBData_t *tmpCbitem = NULL;
  94     LL_FOREACH_SAFE(adapterCallbackList, cbitem, tmpCbitem)
  95     {
  96         if (cbitem && adapter == cbitem->adapter)
  97         {
  98             OIC_LOG(DEBUG, TAG, "remove specific callback");
  99             LL_DELETE(adapterCallbackList, cbitem);
 100             OICFree(cbitem);
 101             return CA_STATUS_OK;
 102         }
 103     }
 104     return CA_STATUS_OK;
 105 }