src/Tizen.Network.WiFi/Tizen.Network.WiFi/WiFiManagerImpl.cs

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the License);
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an AS IS BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 using System;
  18 using System.Collections.Generic;
  19 using System.Threading;
  20 using System.Threading.Tasks;
  21 using System.Runtime.InteropServices;
  22 using Tizen.Applications;
  23
  24 namespace Tizen.Network.WiFi
  25 {
  26     static internal class Globals
  27     {
  28         internal const string LogTag = "Tizen.Network.WiFi";
  29     }
  30
  31     internal class HandleHolder
  32     {
  33         private SafeWiFiManagerHandle _handle;
  34
  35         internal HandleHolder()
  36         {
  37             _handle = WiFiManagerImpl.Instance.Initialize();
  38             Log.Info(Globals.LogTag, "Handle: " + _handle);
  39         }
  40
  41         internal SafeWiFiManagerHandle GetSafeHandle()
  42         {
  43             Log.Debug(Globals.LogTag, "Handleholder safehandle = " + _handle);
  44             return _handle;
  45         }
  46     }
  47
  48     internal partial class WiFiManagerImpl
  49     {
  50         private static readonly Lazy<WiFiManagerImpl> _instance =
  51             new Lazy<WiFiManagerImpl>(() => new WiFiManagerImpl());
  52
  53         private TizenSynchronizationContext context = new TizenSynchronizationContext();
  54
  55         private Dictionary<IntPtr, Interop.WiFi.VoidCallback> _callback_map =
  56             new Dictionary<IntPtr, Interop.WiFi.VoidCallback>();
  57
  58         private int _requestId = 0;
  59         private string _macAddress;
  60
  61         internal string MacAddress
  62         {
  63             get
  64             {
  65                 if (String.IsNullOrEmpty(_macAddress))
  66                 {
  67                     string address;
  68                     int ret = Interop.WiFi.GetMacAddress(GetSafeHandle(), out address);
  69                     if (ret != (int)WiFiError.None)
  70                     {
  71                         Log.Error(Globals.LogTag, "Failed to get mac address, Error - " + (WiFiError)ret);
  72                         _macAddress = "";
  73                     }
  74                     else
  75                     {
  76                         _macAddress = address;
  77                     }
  78                 }
  79                 return _macAddress;
  80             }
  81         }
  82
  83         internal string InterfaceName
  84         {
  85             get
  86             {
  87                 string name;
  88                 int ret = Interop.WiFi.GetNetworkInterfaceName(GetSafeHandle(), out name);
  89                 if (ret != (int)WiFiError.None)
  90                 {
  91                     Log.Error(Globals.LogTag, "Failed to get interface name, Error - " + (WiFiError)ret);
  92                     return "";
  93                 }
  94                 return name;
  95             }
  96         }
  97
  98         internal WiFiConnectionState ConnectionState
  99         {
 100             get
 101             {
 102                 int state;
 103                 int ret = Interop.WiFi.GetConnectionState(GetSafeHandle(), out state);
 104                 if (ret != (int)WiFiError.None)
 105                 {
 106                     Log.Error(Globals.LogTag, "Failed to get connection state, Error - " + (WiFiError)ret);
 107                     return WiFiConnectionState.Failure;
 108                 }
 109                 return (WiFiConnectionState)state;
 110             }
 111         }
 112
 113         internal bool IsActive
 114         {
 115             get
 116             {
 117                 bool active;
 118                 int ret = Interop.WiFi.IsActive(GetSafeHandle(), out active);
 119                 if (ret != (int)WiFiError.None)
 120                 {
 121                     Log.Error(Globals.LogTag, "Failed to get isActive, Error - " + (WiFiError)ret);
 122                 }
 123                 return active;
 124             }
 125         }
 126
 127         internal static WiFiManagerImpl Instance
 128         {
 129             get
 130             {
 131                return _instance.Value;
 132             }
 133         }
 134
 135         private static ThreadLocal<HandleHolder> s_threadName = new ThreadLocal<HandleHolder>(() =>
 136         {
 137             Log.Info(Globals.LogTag, "In threadlocal delegate");
 138             return new HandleHolder();
 139         });
 140
 141         private WiFiManagerImpl()
 142         {
 143             Log.Info(Globals.LogTag, "WiFiManagerImpl constructor");
 144         }
 145
 146         internal SafeWiFiManagerHandle GetSafeHandle()
 147         {
 148             return s_threadName.Value.GetSafeHandle();
 149         }
 150
 151         internal SafeWiFiManagerHandle Initialize()
 152         {
 153             SafeWiFiManagerHandle handle;
 154             int tid = Thread.CurrentThread.ManagedThreadId;
 155             Log.Info(Globals.LogTag, "PInvoke wifi_manager_initialize");
 156             int ret = Interop.WiFi.Initialize(tid, out handle);
 157             if (ret != (int)WiFiError.None)
 158             {
 159                 Log.Error(Globals.LogTag, "Failed to initialize wifi, Error - " + (WiFiError)ret);
 160                 WiFiErrorFactory.ThrowWiFiException(ret, "http://tizen.org/privilege/network.get");
 161             }
 162             handle.SetTID(tid);
 163             return handle;
 164         }
 165
 166         internal IEnumerable<WiFiAP> GetFoundAPs()
 167         {
 168             Log.Info(Globals.LogTag, "GetFoundAPs");
 169             List<WiFiAP> apList = new List<WiFiAP>();
 170             Interop.WiFi.HandleCallback callback = (IntPtr apHandle, IntPtr userData) =>
 171             {
 172                 if (apHandle != IntPtr.Zero)
 173                 {
 174                     IntPtr clonedHandle;
 175                     Interop.WiFi.AP.Clone(out clonedHandle, apHandle);
 176                     WiFiAP apItem = new WiFiAP(clonedHandle);
 177                     apList.Add(apItem);
 178                     return true;
 179                 }
 180                 return false;
 181             };
 182
 183             int ret = Interop.WiFi.GetForeachFoundAPs(GetSafeHandle(), callback, IntPtr.Zero);
 184             if (ret != (int)WiFiError.None)
 185             {
 186                 Log.Error(Globals.LogTag, "Failed to get all APs, Error - " + (WiFiError)ret);
 187                 WiFiErrorFactory.ThrowWiFiException(ret, GetSafeHandle().DangerousGetHandle(), "http://tizen.org/privilege/network.get");
 188             }
 189
 190             return apList;
 191         }
 192
 193         internal IEnumerable<WiFiAP> GetFoundSpecificAPs()
 194         {
 195             Log.Info(Globals.LogTag, "GetFoundSpecificAPs");
 196             List<WiFiAP> apList = new List<WiFiAP>();
 197             Interop.WiFi.HandleCallback callback = (IntPtr apHandle, IntPtr userData) =>
 198             {
 199                 if (apHandle != IntPtr.Zero)
 200                 {
 201                     IntPtr clonedHandle;
 202                     Interop.WiFi.AP.Clone(out clonedHandle, apHandle);
 203                     WiFiAP apItem = new WiFiAP(clonedHandle);
 204                     apList.Add(apItem);
 205                     return true;
 206                 }
 207                 return false;
 208
 209             };
 210
 211             int ret = Interop.WiFi.GetForeachFoundSpecificAPs(GetSafeHandle(), callback, IntPtr.Zero);
 212             if (ret != (int)WiFiError.None)
 213             {
 214                 Log.Error(Globals.LogTag, "Failed to get specific APs, Error - " + (WiFiError)ret);
 215                 WiFiErrorFactory.ThrowWiFiException(ret, GetSafeHandle().DangerousGetHandle(), "http://tizen.org/privilege/network.get");
 216             }
 217
 218             return apList;
 219         }
 220
 221         internal IEnumerable<WiFiConfiguration> GetWiFiConfigurations()
 222         {
 223             Log.Debug(Globals.LogTag, "GetWiFiConfigurations");
 224             List<WiFiConfiguration> configList = new List<WiFiConfiguration>();
 225             Interop.WiFi.HandleCallback callback = (IntPtr configHandle, IntPtr userData) =>
 226             {
 227                 if (configHandle != IntPtr.Zero)
 228                 {
 229                     IntPtr clonedConfig;
 230                     Interop.WiFi.Config.Clone(configHandle, out clonedConfig);
 231                     WiFiConfiguration configItem = new WiFiConfiguration(clonedConfig);
 232                     configList.Add(configItem);
 233                     return true;
 234                 }
 235                 return false;
 236             };
 237
 238             int ret = Interop.WiFi.Config.GetForeachConfiguration(GetSafeHandle(), callback, IntPtr.Zero);
 239             if (ret != (int)WiFiError.None)
 240             {
 241                 Log.Error(Globals.LogTag, "Failed to get configurations, Error - " + (WiFiError)ret);
 242                 WiFiErrorFactory.ThrowWiFiException(ret, GetSafeHandle().DangerousGetHandle(), "http://tizen.org/privilege/network.profile");
 243             }
 244
 245             return configList;
 246         }
 247
 248         internal void SaveWiFiNetworkConfiguration(WiFiConfiguration config)
 249         {
 250             Log.Debug(Globals.LogTag, "SaveWiFiNetworkConfiguration");
 251             if (config == null)
 252             {
 253                 throw new ArgumentNullException("WiFi configuration is null");
 254             }
 255
 256             IntPtr configHandle = config.GetHandle();
 257             int ret = Interop.WiFi.Config.SaveConfiguration(GetSafeHandle(), configHandle);
 258             if (ret != (int)WiFiError.None)
 259             {
 260                 Log.Error(Globals.LogTag, "Failed to save configuration, Error - " + (WiFiError)ret);
 261                 WiFiErrorFactory.ThrowWiFiException(ret, GetSafeHandle().DangerousGetHandle(), "http://tizen.org/privilege/network.profile");
 262             }
 263         }
 264
 265         internal WiFiAP GetConnectedAP()
 266         {
 267             Log.Info(Globals.LogTag, "GetConnectedAP");
 268             IntPtr apHandle;
 269             int ret = Interop.WiFi.GetConnectedAP(GetSafeHandle(), out apHandle);
 270             if (ret != (int)WiFiError.None)
 271             {
 272                 if (ret == (int)WiFiError.NoConnectionError)
 273                 {
 274                     Log.Error(Globals.LogTag, "No connection " + (WiFiError)ret);
 275                     return null;
 276                 }
 277                 else
 278                 {
 279                     Log.Error(Globals.LogTag, "Failed to get connected AP, Error - " + (WiFiError)ret);
 280                     WiFiErrorFactory.ThrowWiFiException(ret, GetSafeHandle().DangerousGetHandle(), "http://tizen.org/privilege/network.get");
 281                 }
 282             }
 283             WiFiAP ap = new WiFiAP(apHandle);
 284             return ap;
 285         }
 286
 287         internal Task ActivateAsync()
 288         {
 289             Log.Info(Globals.LogTag, "ActivateAsync");
 290             TaskCompletionSource<bool> task = new TaskCompletionSource<bool>();
 291             IntPtr id;
 292             lock (_callback_map)
 293             {
 294                 id = (IntPtr)_requestId++;
 295                 _callback_map[id] = (error, key) =>
 296                 {
 297                     Log.Info(Globals.LogTag, "ActivateAsync done");
 298                     if (error != (int)WiFiError.None)
 299                     {
 300                         Log.Error(Globals.LogTag, "Error occurs during WiFi activating, " + (WiFiError)error);
 301                         task.SetException(new InvalidOperationException("Error occurs during WiFi activating, " + (WiFiError)error));
 302                     }
 303                     else
 304                     {
 305                         task.SetResult(true);
 306                     }
 307                     lock (_callback_map)
 308                     {
 309                         _callback_map.Remove(key);
 310                     }
 311                 };
 312             }
 313
 314             context.Post((x) =>
 315             {
 316                 Log.Info(Globals.LogTag, "Interop.WiFi.ActivateAsync");
 317                 try
 318                 {
 319                     int ret = Interop.WiFi.Activate(GetSafeHandle(), _callback_map[id], id);
 320                     if (ret != (int)WiFiError.None)
 321                     {
 322                         Log.Error(Globals.LogTag, "Failed to activate wifi, Error - " + (WiFiError)ret);
 323                         WiFiErrorFactory.ThrowWiFiException(ret, GetSafeHandle().DangerousGetHandle());
 324                     }
 325                 }
 326                 catch (Exception e)
 327                 {
 328                     Log.Error(Globals.LogTag, "Exception on ActivateAsync\n" + e.ToString());
 329                     task.SetException(e);
 330                 }
 331             }, null);
 332
 333             return task.Task;
 334         }
 335
 336         internal Task ActivateWithWiFiPickerTestedAsync()
 337         {
 338             Log.Info(Globals.LogTag, "ActivateWithWiFiPickerTestedAsync");
 339             TaskCompletionSource<bool> task = new TaskCompletionSource<bool>();
 340             IntPtr id;
 341             lock (_callback_map)
 342             {
 343                 id = (IntPtr)_requestId++;
 344                 _callback_map[id] = (error, key) =>
 345                 {
 346                     Log.Info(Globals.LogTag, "ActivateWithWiFiPickerTestedAsync done");
 347                     if (error != (int)WiFiError.None)
 348                     {
 349                         Log.Error(Globals.LogTag, "Error occurs during WiFi activating, " + (WiFiError)error);
 350                         task.SetException(new InvalidOperationException("Error occurs during WiFi activating, " + (WiFiError)error));
 351                     }
 352                     else
 353                     {
 354                         task.SetResult(true);
 355                     }
 356                     lock (_callback_map)
 357                     {
 358                         _callback_map.Remove(key);
 359                     }
 360                 };
 361             }
 362
 363             context.Post((x) =>
 364             {
 365                 Log.Info(Globals.LogTag, "Interop.WiFi.ActivateWithWiFiPickerTestedAsync");
 366                 try
 367                 {
 368                     int ret = Interop.WiFi.ActivateWithWiFiPickerTested(GetSafeHandle(), _callback_map[id], id);
 369                     if (ret != (int)WiFiError.None)
 370                     {
 371                         Log.Error(Globals.LogTag, "Failed to activate wifi, Error - " + (WiFiError)ret);
 372                         WiFiErrorFactory.ThrowWiFiException(ret, GetSafeHandle().DangerousGetHandle());
 373                     }
 374                 }
 375                 catch (Exception e)
 376                 {
 377                     Log.Error(Globals.LogTag, "Exception on ActivateWithWiFiPickerTestedAsync\n" + e.ToString());
 378                     task.SetException(e);
 379                 }
 380             }, null);
 381
 382             return task.Task;
 383         }
 384
 385         internal Task DeactivateAsync()
 386         {
 387             Log.Info(Globals.LogTag, "DeactivateAsync");
 388             TaskCompletionSource<bool> task = new TaskCompletionSource<bool>();
 389             IntPtr id;
 390             lock (_callback_map)
 391             {
 392                 id = (IntPtr)_requestId++;
 393                 _callback_map[id] = (error, key) =>
 394                 {
 395                     Log.Info(Globals.LogTag, "DeactivateAsync done");
 396                     if (error != (int)WiFiError.None)
 397                     {
 398                         Log.Error(Globals.LogTag, "Error occurs during WiFi deactivating, " + (WiFiError)error);
 399                         task.SetException(new InvalidOperationException("Error occurs during WiFi deactivating, " + (WiFiError)error));
 400                     }
 401                     else
 402                     {
 403                         task.SetResult(true);
 404                     }
 405                     lock (_callback_map)
 406                     {
 407                         _callback_map.Remove(key);
 408                     }
 409                 };
 410             }
 411
 412             context.Post((x) =>
 413             {
 414                 Log.Info(Globals.LogTag, "Interop.WiFi.Deactivate");
 415                 try
 416                 {
 417                     int ret = Interop.WiFi.Deactivate(GetSafeHandle(), _callback_map[id], id);
 418                     if (ret != (int)WiFiError.None)
 419                     {
 420                         Log.Error(Globals.LogTag, "Failed to deactivate wifi, Error - " + (WiFiError)ret);
 421                         WiFiErrorFactory.ThrowWiFiException(ret, GetSafeHandle().DangerousGetHandle());
 422                     }
 423                 }
 424                 catch (Exception e)
 425                 {
 426                     Log.Error(Globals.LogTag, "Exception on Deactivate\n" + e.ToString());
 427                     task.SetException(e);
 428                 }
 429             }, null);
 430
 431             return task.Task;
 432         }
 433
 434         internal Task ScanAsync()
 435         {
 436             Log.Info(Globals.LogTag, "ScanAsync");
 437             TaskCompletionSource<bool> task = new TaskCompletionSource<bool>();
 438             IntPtr id;
 439             lock (_callback_map)
 440             {
 441                 id = (IntPtr)_requestId++;
 442                 _callback_map[id] = (error, key) =>
 443                 {
 444                     Log.Info(Globals.LogTag, "ScanAsync done");
 445                     if (error != (int)WiFiError.None)
 446                     {
 447                         Log.Error(Globals.LogTag, "Error occurs during WiFi scanning, " + (WiFiError)error);
 448                         task.SetException(new InvalidOperationException("Error occurs during WiFi scanning, " + (WiFiError)error));
 449                     }
 450                     else
 451                     {
 452                         task.SetResult(true);
 453                     }
 454                     lock (_callback_map)
 455                     {
 456                         _callback_map.Remove(key);
 457                     }
 458                 };
 459             }
 460
 461             context.Post((x) =>
 462             {
 463                 Log.Info(Globals.LogTag, "Interop.WiFi.Scan");
 464                 try
 465                 {
 466                     int ret = Interop.WiFi.Scan(GetSafeHandle(), _callback_map[id], id);
 467                     if (ret != (int)WiFiError.None)
 468                     {
 469                         Log.Error(Globals.LogTag, "Failed to scan all AP, Error - " + (WiFiError)ret);
 470                         WiFiErrorFactory.ThrowWiFiException(ret, GetSafeHandle().DangerousGetHandle());
 471                     }
 472                 }
 473                 catch (Exception e)
 474                 {
 475                     Log.Error(Globals.LogTag, "Exception on Scan\n" + e.ToString());
 476                     task.SetException(e);
 477                 }
 478             }, null);
 479
 480             return task.Task;
 481         }
 482
 483         internal Task ScanSpecificAPAsync(string essid)
 484         {
 485             Log.Info(Globals.LogTag, "ScanSpecificAPAsync " + essid);
 486             TaskCompletionSource<bool> task = new TaskCompletionSource<bool>();
 487             IntPtr id;
 488             lock (_callback_map)
 489             {
 490                 id = (IntPtr)_requestId++;
 491                 _callback_map[id] = (error, key) =>
 492                 {
 493                     Log.Info(Globals.LogTag, "ScanSpecificAPAsync Done " + essid);
 494                     if (error != (int)WiFiError.None)
 495                     {
 496                         Log.Error(Globals.LogTag, "Error occurs during WiFi scanning, " + (WiFiError)error);
 497                         task.SetException(new InvalidOperationException("Error occurs during WiFi scanning, " + (WiFiError)error));
 498                     }
 499                     else
 500                     {
 501                         task.SetResult(true);
 502                     }
 503                     lock (_callback_map)
 504                     {
 505                         _callback_map.Remove(key);
 506                     }
 507                 };
 508             }
 509
 510             context.Post((x) =>
 511             {
 512                 Log.Info(Globals.LogTag, "Interop.WiFi.ScanSpecificAPAsync");
 513                 try
 514                 {
 515                     int ret = Interop.WiFi.ScanSpecificAP(GetSafeHandle(), essid, _callback_map[id], id);
 516                     if (ret != (int)WiFiError.None)
 517                     {
 518                         Log.Error(Globals.LogTag, "Failed to scan with specific AP, Error - " + (WiFiError)ret);
 519                         WiFiErrorFactory.ThrowWiFiException(ret, GetSafeHandle().DangerousGetHandle());
 520                     }
 521                 }
 522                 catch (Exception e)
 523                 {
 524                     Log.Error(Globals.LogTag, "Exception on ScanSpecificAPAsync\n" + e.ToString());
 525                     task.SetException(e);
 526                 }
 527             }, null);
 528
 529             return task.Task;
 530         }
 531     }
 532 }