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

   1 /*
   2  * Copyright (c) 2018 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         //private string PrivilegeNetworkSet = "http://tizen.org/privilege/network.set";
  62         private string PrivilegeNetworkGet = "http://tizen.org/privilege/network.get";
  63         private string PrivilegeNetworkProfile = "http://tizen.org/privilege/network.get";
  64
  65         internal string MacAddress
  66         {
  67             get
  68             {
  69                 if (String.IsNullOrEmpty(_macAddress))
  70                 {
  71                     string address;
  72                     int ret = Interop.WiFi.GetMacAddress(GetSafeHandle(), out address);
  73                     if (ret != (int)WiFiError.None)
  74                     {
  75                         Log.Error(Globals.LogTag, "Failed to get mac address, Error - " + (WiFiError)ret);
  76                         _macAddress = "";
  77                     }
  78                     else
  79                     {
  80                         _macAddress = address;
  81                     }
  82                 }
  83                 return _macAddress;
  84             }
  85         }
  86
  87         internal string InterfaceName
  88         {
  89             get
  90             {
  91                 string name;
  92                 int ret = Interop.WiFi.GetNetworkInterfaceName(GetSafeHandle(), out name);
  93                 if (ret != (int)WiFiError.None)
  94                 {
  95                     Log.Error(Globals.LogTag, "Failed to get interface name, Error - " + (WiFiError)ret);
  96                     return "";
  97                 }
  98                 return name;
  99             }
 100         }
 101
 102         internal WiFiConnectionState ConnectionState
 103         {
 104             get
 105             {
 106                 int state;
 107                 int ret = Interop.WiFi.GetConnectionState(GetSafeHandle(), out state);
 108                 if (ret != (int)WiFiError.None)
 109                 {
 110                     Log.Error(Globals.LogTag, "Failed to get connection state, Error - " + (WiFiError)ret);
 111                     return WiFiConnectionState.Failure;
 112                 }
 113                 return (WiFiConnectionState)state;
 114             }
 115         }
 116
 117         internal bool IsActive
 118         {
 119             get
 120             {
 121                 bool active;
 122                 int ret = Interop.WiFi.IsActive(GetSafeHandle(), out active);
 123                 if (ret != (int)WiFiError.None)
 124                 {
 125                     Log.Error(Globals.LogTag, "Failed to get isActive, Error - " + (WiFiError)ret);
 126                 }
 127                 return active;
 128             }
 129         }
 130
 131         internal WiFiScanState ScanState
 132         {
 133             get
 134             {
 135                 int state;
 136                 int ret = Interop.WiFi.GetScanState(GetSafeHandle(), out state);
 137                 if (ret != (int)WiFiError.None)
 138                 {
 139                     Log.Error(Globals.LogTag, "Failed to get scan state, Error - " + (WiFiError)ret);
 140                     return WiFiScanState.NotScanning;
 141                 }
 142                 return (WiFiScanState)state;
 143             }
 144         }
 145
 146         internal static WiFiManagerImpl Instance
 147         {
 148             get
 149             {
 150                return _instance.Value;
 151             }
 152         }
 153
 154         private static ThreadLocal<HandleHolder> s_threadName = new ThreadLocal<HandleHolder>(() =>
 155         {
 156             Log.Info(Globals.LogTag, "In threadlocal delegate");
 157             return new HandleHolder();
 158         });
 159
 160         private WiFiManagerImpl()
 161         {
 162             Log.Info(Globals.LogTag, "WiFiManagerImpl constructor");
 163         }
 164
 165         internal SafeWiFiManagerHandle GetSafeHandle()
 166         {
 167             return s_threadName.Value.GetSafeHandle();
 168         }
 169
 170         internal SafeWiFiManagerHandle Initialize()
 171         {
 172             SafeWiFiManagerHandle handle;
 173             int tid = Thread.CurrentThread.ManagedThreadId;
 174             Log.Info(Globals.LogTag, "PInvoke wifi_manager_initialize");
 175             int ret = Interop.WiFi.Initialize(tid, out handle);
 176             if (ret != (int)WiFiError.None)
 177             {
 178                 Log.Error(Globals.LogTag, "Initialize Fail, Error - " + (WiFiError)ret);
 179                 WiFiErrorFactory.ThrowWiFiException(ret, PrivilegeNetworkGet);
 180             }
 181             handle.SetTID(tid);
 182             return handle;
 183         }
 184
 185         internal IEnumerable<WiFiAP> GetFoundAPs()
 186         {
 187             Log.Info(Globals.LogTag, "GetFoundAPs");
 188             List<WiFiAP> apList = new List<WiFiAP>();
 189             Interop.WiFi.HandleCallback callback = (IntPtr apHandle, IntPtr userData) =>
 190             {
 191                 if (apHandle != IntPtr.Zero)
 192                 {
 193                     IntPtr clonedHandle;
 194                     Interop.WiFi.AP.Clone(out clonedHandle, apHandle);
 195                     WiFiAP apItem = new WiFiAP(clonedHandle);
 196                     apList.Add(apItem);
 197                     return true;
 198                 }
 199                 return false;
 200             };
 201
 202             int ret = Interop.WiFi.GetForeachFoundAPs(GetSafeHandle(), callback, IntPtr.Zero);
 203             CheckReturnValue(ret, "GetForeachFoundAPs", PrivilegeNetworkGet);
 204
 205             return apList;
 206         }
 207
 208         internal IEnumerable<WiFiAP> GetFoundSpecificAPs()
 209         {
 210             Log.Info(Globals.LogTag, "GetFoundSpecificAPs");
 211             List<WiFiAP> apList = new List<WiFiAP>();
 212             Interop.WiFi.HandleCallback callback = (IntPtr apHandle, IntPtr userData) =>
 213             {
 214                 if (apHandle != IntPtr.Zero)
 215                 {
 216                     IntPtr clonedHandle;
 217                     Interop.WiFi.AP.Clone(out clonedHandle, apHandle);
 218                     WiFiAP apItem = new WiFiAP(clonedHandle);
 219                     apList.Add(apItem);
 220                     return true;
 221                 }
 222                 return false;
 223
 224             };
 225
 226             int ret = Interop.WiFi.GetForeachFoundSpecificAPs(GetSafeHandle(), callback, IntPtr.Zero);
 227             CheckReturnValue(ret, "GetForeachFoundSpecificAPs", PrivilegeNetworkGet);
 228
 229             return apList;
 230         }
 231
 232         internal IEnumerable<WiFiAP> GetFoundBssids()
 233         {
 234             Log.Info(Globals.LogTag, "GetFoundBssids");
 235             List<WiFiAP> apList = new List<WiFiAP>();
 236             Interop.WiFi.HandleCallback callback = (IntPtr apHandle, IntPtr userData) =>
 237             {
 238                 if (apHandle != IntPtr.Zero)
 239                 {
 240                     IntPtr clonedHandle;
 241                     Interop.WiFi.AP.Clone(out clonedHandle, apHandle);
 242                     WiFiAP apItem = new WiFiAP(clonedHandle);
 243                     apList.Add(apItem);
 244                     return true;
 245                 }
 246                 return false;
 247             };
 248
 249             int ret = Interop.WiFi.GetForeachFoundBssids(GetSafeHandle(), callback, IntPtr.Zero);
 250             CheckReturnValue(ret, "GetForeachFoundBssids", PrivilegeNetworkGet);
 251
 252             return apList;
 253         }
 254
 255         internal IEnumerable<WiFiConfiguration> GetWiFiConfigurations()
 256         {
 257             Log.Debug(Globals.LogTag, "GetWiFiConfigurations");
 258             List<WiFiConfiguration> configList = new List<WiFiConfiguration>();
 259             Interop.WiFi.HandleCallback callback = (IntPtr configHandle, IntPtr userData) =>
 260             {
 261                 if (configHandle != IntPtr.Zero)
 262                 {
 263                     IntPtr clonedConfig;
 264                     Interop.WiFi.Config.Clone(configHandle, out clonedConfig);
 265                     WiFiConfiguration configItem = new WiFiConfiguration(clonedConfig);
 266                     configList.Add(configItem);
 267                     return true;
 268                 }
 269                 return false;
 270             };
 271
 272             int ret = Interop.WiFi.Config.GetForeachConfiguration(GetSafeHandle(), callback, IntPtr.Zero);
 273             CheckReturnValue(ret, "GetForeachConfiguration", PrivilegeNetworkProfile);
 274             return configList;
 275         }
 276
 277         internal void SaveWiFiNetworkConfiguration(WiFiConfiguration config)
 278         {
 279             Log.Debug(Globals.LogTag, "SaveWiFiNetworkConfiguration");
 280             if (config == null)
 281             {
 282                 throw new ArgumentNullException("WiFi configuration is null");
 283             }
 284
 285             IntPtr configHandle = config.GetHandle();
 286             int ret = Interop.WiFi.Config.SaveConfiguration(GetSafeHandle(), configHandle);
 287             CheckReturnValue(ret, "SaveConfiguration", PrivilegeNetworkProfile);
 288        }
 289
 290         internal WiFiAP GetConnectedAP()
 291         {
 292             Log.Info(Globals.LogTag, "GetConnectedAP");
 293             IntPtr apHandle;
 294             int ret = Interop.WiFi.GetConnectedAP(GetSafeHandle(), out apHandle);
 295             if (ret == (int)WiFiError.NoConnectionError)
 296             {
 297                 Log.Error(Globals.LogTag, "No connection " + (WiFiError)ret);
 298                 return null;
 299             }
 300             CheckReturnValue(ret, "GetConnectedAP", PrivilegeNetworkGet);
 301             WiFiAP ap = new WiFiAP(apHandle);
 302             return ap;
 303         }
 304
 305         internal Task ActivateAsync()
 306         {
 307             Log.Info(Globals.LogTag, "ActivateAsync");
 308             TaskCompletionSource<bool> task = new TaskCompletionSource<bool>();
 309             IntPtr id;
 310             lock (_callback_map)
 311             {
 312                 id = (IntPtr)_requestId++;
 313                 _callback_map[id] = (error, key) =>
 314                 {
 315                     Log.Info(Globals.LogTag, "ActivateAsync done");
 316                     if (error != (int)WiFiError.None)
 317                     {
 318                         Log.Error(Globals.LogTag, "Error occurs during WiFi activating, " + (WiFiError)error);
 319                         task.SetException(WiFiErrorFactory.GetException(error, "Error occurs during WiFi activating"));
 320                     }
 321                     else
 322                     {
 323                         task.SetResult(true);
 324                     }
 325                     lock (_callback_map)
 326                     {
 327                         _callback_map.Remove(key);
 328                     }
 329                 };
 330             }
 331
 332             context.Post((x) =>
 333             {
 334                 Log.Info(Globals.LogTag, "Interop.WiFi.ActivateAsync");
 335                 try
 336                 {
 337                     int ret = Interop.WiFi.Activate(GetSafeHandle(), _callback_map[id], id);
 338                     CheckReturnValue(ret, "Activate", "");
 339                 }
 340                 catch (Exception e)
 341                 {
 342                     Log.Error(Globals.LogTag, "Exception on ActivateAsync\n" + e);
 343                     task.SetException(e);
 344                 }
 345             }, null);
 346
 347             return task.Task;
 348         }
 349
 350         internal Task ActivateWithWiFiPickerTestedAsync()
 351         {
 352             Log.Info(Globals.LogTag, "ActivateWithWiFiPickerTestedAsync");
 353             TaskCompletionSource<bool> task = new TaskCompletionSource<bool>();
 354             IntPtr id;
 355             lock (_callback_map)
 356             {
 357                 id = (IntPtr)_requestId++;
 358                 _callback_map[id] = (error, key) =>
 359                 {
 360                     Log.Info(Globals.LogTag, "ActivateWithWiFiPickerTestedAsync done");
 361                     if (error != (int)WiFiError.None)
 362                     {
 363                         Log.Error(Globals.LogTag, "Error occurs during WiFi activating, " + (WiFiError)error);
 364                         task.SetException(WiFiErrorFactory.GetException(error, "Error occurs during WiFi activating"));
 365                     }
 366                     else
 367                     {
 368                         task.SetResult(true);
 369                     }
 370                     lock (_callback_map)
 371                     {
 372                         _callback_map.Remove(key);
 373                     }
 374                 };
 375             }
 376
 377             context.Post((x) =>
 378             {
 379                 Log.Info(Globals.LogTag, "Interop.WiFi.ActivateWithWiFiPickerTestedAsync");
 380                 try
 381                 {
 382                     int ret = Interop.WiFi.ActivateWithWiFiPickerTested(GetSafeHandle(), _callback_map[id], id);
 383                     CheckReturnValue(ret, "ActivateWithWiFiPickerTested", "");
 384                 }
 385                 catch (Exception e)
 386                 {
 387                     Log.Error(Globals.LogTag, "Exception on ActivateWithWiFiPickerTestedAsync\n" + e);
 388                     task.SetException(e);
 389                 }
 390             }, null);
 391
 392             return task.Task;
 393         }
 394
 395         internal Task DeactivateAsync()
 396         {
 397             Log.Info(Globals.LogTag, "DeactivateAsync");
 398             TaskCompletionSource<bool> task = new TaskCompletionSource<bool>();
 399             IntPtr id;
 400             lock (_callback_map)
 401             {
 402                 id = (IntPtr)_requestId++;
 403                 _callback_map[id] = (error, key) =>
 404                 {
 405                     Log.Info(Globals.LogTag, "DeactivateAsync done");
 406                     if (error != (int)WiFiError.None)
 407                     {
 408                         Log.Error(Globals.LogTag, "Error occurs during WiFi deactivating, " + (WiFiError)error);
 409                         task.SetException(WiFiErrorFactory.GetException(error, "Error occurs during WiFi deactivating"));
 410                     }
 411                     else
 412                     {
 413                         task.SetResult(true);
 414                     }
 415                     lock (_callback_map)
 416                     {
 417                         _callback_map.Remove(key);
 418                     }
 419                 };
 420             }
 421
 422             context.Post((x) =>
 423             {
 424                 Log.Info(Globals.LogTag, "Interop.WiFi.Deactivate");
 425                 try
 426                 {
 427                     int ret = Interop.WiFi.Deactivate(GetSafeHandle(), _callback_map[id], id);
 428                     CheckReturnValue(ret, "Deactivate", "");
 429                 }
 430                 catch (Exception e)
 431                 {
 432                     Log.Error(Globals.LogTag, "Exception on Deactivate\n" + e);
 433                     task.SetException(e);
 434                 }
 435             }, null);
 436
 437             return task.Task;
 438         }
 439
 440         internal Task ScanAsync()
 441         {
 442             Log.Info(Globals.LogTag, "ScanAsync");
 443             TaskCompletionSource<bool> task = new TaskCompletionSource<bool>();
 444             IntPtr id;
 445             lock (_callback_map)
 446             {
 447                 id = (IntPtr)_requestId++;
 448                 _callback_map[id] = (error, key) =>
 449                 {
 450                     Log.Info(Globals.LogTag, "ScanAsync done");
 451                     if (error != (int)WiFiError.None)
 452                     {
 453                         Log.Error(Globals.LogTag, "Error occurs during WiFi scanning, " + (WiFiError)error);
 454                         task.SetException(new InvalidOperationException("Error occurs during WiFi scanning, " + (WiFiError)error));
 455                     }
 456                     else
 457                     {
 458                         task.SetResult(true);
 459                     }
 460                     lock (_callback_map)
 461                     {
 462                         _callback_map.Remove(key);
 463                     }
 464                 };
 465             }
 466
 467             context.Post((x) =>
 468             {
 469                 Log.Info(Globals.LogTag, "Interop.WiFi.Scan");
 470                 try
 471                 {
 472                     int ret = Interop.WiFi.Scan(GetSafeHandle(), _callback_map[id], id);
 473                     CheckReturnValue(ret, "Scan", "");
 474                 }
 475                 catch (Exception e)
 476                 {
 477                     Log.Error(Globals.LogTag, "Exception on Scan\n" + e);
 478                     task.SetException(e);
 479                 }
 480             }, null);
 481
 482             return task.Task;
 483         }
 484
 485         internal Task ScanSpecificAPAsync(string essid)
 486         {
 487             Log.Info(Globals.LogTag, "ScanSpecificAPAsync " + essid);
 488             TaskCompletionSource<bool> task = new TaskCompletionSource<bool>();
 489             IntPtr id;
 490             lock (_callback_map)
 491             {
 492                 id = (IntPtr)_requestId++;
 493                 _callback_map[id] = (error, key) =>
 494                 {
 495                     Log.Info(Globals.LogTag, "ScanSpecificAPAsync Done " + essid);
 496                     if (error != (int)WiFiError.None)
 497                     {
 498                         Log.Error(Globals.LogTag, "Error occurs during WiFi scanning, " + (WiFiError)error);
 499                         task.SetException(new InvalidOperationException("Error occurs during WiFi scanning, " + (WiFiError)error));
 500                     }
 501                     else
 502                     {
 503                         task.SetResult(true);
 504                     }
 505                     lock (_callback_map)
 506                     {
 507                         _callback_map.Remove(key);
 508                     }
 509                 };
 510             }
 511
 512             context.Post((x) =>
 513             {
 514                 Log.Info(Globals.LogTag, "Interop.WiFi.ScanSpecificAPAsync");
 515                 try
 516                 {
 517                     int ret = Interop.WiFi.ScanSpecificAP(GetSafeHandle(), essid, _callback_map[id], id);
 518                     CheckReturnValue(ret, "ScanSpecificAP", "");
 519                 }
 520                 catch (Exception e)
 521                 {
 522                     Log.Error(Globals.LogTag, "Exception on ScanSpecificAPAsync\n" + e);
 523                     task.SetException(e);
 524                 }
 525             }, null);
 526
 527             return task.Task;
 528         }
 529
 530         internal Task BssidScanAsync()
 531         {
 532             Log.Info(Globals.LogTag, "BssidScanAsync");
 533             TaskCompletionSource<bool> task = new TaskCompletionSource<bool>();
 534             IntPtr id;
 535             lock (_callback_map)
 536             {
 537                 id = (IntPtr)_requestId++;
 538                 _callback_map[id] = (error, key) =>
 539                 {
 540                     Log.Info(Globals.LogTag, "BssidScanAsync done");
 541                     if (error != (int)WiFiError.None)
 542                     {
 543                         Log.Error(Globals.LogTag, "Error occurs during bssid scanning, " + (WiFiError)error);
 544                         task.SetException(new InvalidOperationException("Error occurs during bssid scanning, " + (WiFiError)error));
 545                     }
 546                     else
 547                     {
 548                         task.SetResult(true);
 549                     }
 550                     lock (_callback_map)
 551                     {
 552                         _callback_map.Remove(key);
 553                     }
 554                 };
 555             }
 556
 557             context.Post((x) =>
 558             {
 559                 Log.Info(Globals.LogTag, "Interop.WiFi.BssidScan");
 560                 try
 561                 {
 562                     int ret = Interop.WiFi.BssidScan(GetSafeHandle(), _callback_map[id], id);
 563                     CheckReturnValue(ret, "BssidScan", "");
 564                 }
 565                 catch (Exception e)
 566                 {
 567                     Log.Error(Globals.LogTag, "Exception on BssidScan\n" + e);
 568                     task.SetException(e);
 569                 }
 570             }, null);
 571
 572             return task.Task;
 573         }
 574
 575         private void CheckReturnValue(int ret, string method, string privilege)
 576         {
 577             if (ret != (int)WiFiError.None)
 578             {
 579                 Log.Error(Globals.LogTag, method + " Fail, Error - " + (WiFiError)ret);
 580                 if (ret == (int)WiFiError.InvalidParameterError)
 581                 {
 582                     throw new InvalidOperationException("Invalid handle");
 583                 }
 584                 WiFiErrorFactory.ThrowWiFiException(ret, GetSafeHandle().DangerousGetHandle(), privilege);
 585             }
 586         }
 587     }
 588 }