service/easy-setup/enrollee/tizen/wifi/networkhandler.c

   1 /******************************************************************
   2  *
   3  * Copyright 2015 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 "networkhandler.h"
  22
  23 #include <wifi.h>
  24 #include <unistd.h>
  25
  26 #include "logger.h"
  27 #include "easysetup.h"
  28 #include "oic_string.h"
  29
  30 #define LOG_TAG "TIZEN ES"
  31
  32 const char *gSsid = "DLNA_LISMORE1";
  33 const char *gPass = "dlna@010203";
  34 char *gIpAddress = NULL;
  35 wifi_ap_h connectedWifi;
  36 ESEnrolleeNetworkEventCallback gNetworkEventCb;
  37 static void ESActivateWifi();
  38
  39 static const char*
  40 print_state(wifi_connection_state_e state)
  41 {
  42     switch (state)
  43     {
  44         case WIFI_CONNECTION_STATE_DISCONNECTED:
  45             return "Disconnected";
  46         case WIFI_CONNECTION_STATE_ASSOCIATION:
  47             return "Association";
  48         case WIFI_CONNECTION_STATE_CONNECTED:
  49             return "Connected";
  50         case WIFI_CONNECTION_STATE_CONFIGURATION:
  51             return "Configuration";
  52     }
  53 }
  54
  55 void __wifi_connected_cb(wifi_error_e error_code, void *user_data)
  56 {
  57     OIC_LOG(INFO,LOG_TAG,"#### __connected ");
  58
  59     if (gIpAddress)
  60         free(gIpAddress);
  61
  62     wifi_ap_get_ip_address(connectedWifi, WIFI_ADDRESS_FAMILY_IPV4, &gIpAddress);
  63     OIC_LOG_V(INFO,LOG_TAG,"#### __connected, Ipaddress=%s", gIpAddress);
  64     gNetworkEventCb(ES_OK);
  65
  66 }
  67
  68 bool __wifi_found_ap_cb(wifi_ap_h ap, void *user_data)
  69 {
  70     OIC_LOG(INFO,LOG_TAG,"#### __wifi_found_ap_cb received ");
  71
  72     int error_code = 0;
  73     char *ap_name = NULL;
  74     wifi_connection_state_e state;
  75
  76     error_code = wifi_ap_get_essid(ap, &ap_name);
  77     if (error_code != WIFI_ERROR_NONE)
  78     {
  79         OIC_LOG(ERROR,LOG_TAG,"#### Fail to get AP name.");
  80
  81         return false;
  82     }
  83     error_code = wifi_ap_get_connection_state(ap, &state);
  84     if (error_code != WIFI_ERROR_NONE)
  85     {
  86         OIC_LOG(ERROR,LOG_TAG,"#### Fail to get state.");
  87         free(ap_name);
  88
  89         return false;
  90     }
  91     OIC_LOG_V(INFO,LOG_TAG,"#### AP name : %s, state : %s", ap_name, print_state(state));
  92
  93     if (strcmp(ap_name, gSsid) == 0)
  94     {
  95         OIC_LOG(INFO,LOG_TAG,"#### network found");
  96         wifi_ap_set_passphrase(ap, gPass);
  97         connectedWifi = ap;
  98         error_code = wifi_connect(ap, __wifi_connected_cb, NULL);
  99         OIC_LOG_V(INFO,LOG_TAG,"Code=%d", error_code);
 100     }
 101     OIC_LOG(INFO,LOG_TAG,"#### __wifi_found_ap_cb received ");
 102     free(ap_name);
 103     return true;
 104 }
 105 void __scan_request_cb(wifi_error_e error_code, void *user_data)
 106 {
 107     OIC_LOG(INFO, LOG_TAG, "__scan_request_cb");
 108     int error_code1;
 109     error_code1 = wifi_foreach_found_aps(__wifi_found_ap_cb, NULL);
 110     if (error_code1 != WIFI_ERROR_NONE)
 111         OIC_LOG(INFO,LOG_TAG,"#### Fail to scan");
 112
 113     OIC_LOG(INFO, LOG_TAG,"#### __scan_request_cb exit ");
 114 }
 115
 116 static void __wifi_activated_cb(wifi_error_e result, void *user_data)
 117 {
 118     OIC_LOG(INFO, LOG_TAG, "__wifi_activated_cb");
 119     if (result == WIFI_ERROR_NONE)
 120     {
 121         OIC_LOG(INFO,LOG_TAG,"#### Success to activate Wi-Fi device!");
 122     }
 123     wifi_scan(__scan_request_cb, NULL);
 124
 125 }
 126 static void ESActivateWifi()
 127 {
 128     int error_code;
 129     error_code = wifi_initialize();
 130     OIC_LOG_V(INFO,LOG_TAG,"#### WIFI INITIALIZED WITH STATUS :%d", error_code);
 131
 132     error_code = wifi_activate(__wifi_activated_cb, NULL);
 133     OIC_LOG_V(INFO,LOG_TAG,"#### WIFI ACTIVATED WITH STATUS :%d", error_code);
 134
 135     bool wifi_activated = false;
 136     wifi_is_activated(&wifi_activated);
 137     if (wifi_activated)
 138     {
 139         OIC_LOG(INFO,LOG_TAG,"#### Success to get Wi-Fi device state.");
 140         int scan_result = wifi_scan(__scan_request_cb, NULL);
 141         OIC_LOG_V(INFO,LOG_TAG,"#### Wifi scan result:%d", scan_result);
 142     }
 143     else
 144     {
 145         OIC_LOG(ERROR,LOG_TAG, "#### Fail to get Wi-Fi device state.");
 146     }
 147 }
 148
 149 static void start()
 150 {
 151     OIC_LOG(INFO, LOG_TAG, "START");
 152     ESActivateWifi();
 153 }
 154
 155 void ConnectToWiFiNetwork(const char *ssid, const char *pass,
 156                                                             ESEnrolleeNetworkEventCallback cb)
 157 {
 158     OIC_LOG_V(INFO, LOG_TAG, "ConnectToWiFiNetwork %s %s",ssid,pass);
 159     gPass = pass;
 160     gSsid = ssid;
 161     gNetworkEventCb = cb;
 162     start();
 163 }
 164
 165 ESResult getCurrentNetworkInfo(OCConnectivityType targetType, NetworkInfo *info)
 166 {
 167     if (targetType == CT_ADAPTER_IP)
 168     {
 169         info->type = CT_ADAPTER_IP;
 170         info->ipaddr = gIpAddress;
 171         if (strlen(gSsid) <= MAXSSIDLEN)
 172         {
 173             OICStrcpy(info->ssid, sizeof(info->ssid), gSsid);
 174             return ES_OK;
 175         }
 176         else
 177         {
 178             return ES_ERROR;
 179         }
 180     }
 181
 182     return ES_ERROR;
 183 }
 184