Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
Comment: | Refactor native library pre-loading code to be more flexible. |
---|---|
Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | refactorNativeLibraryPreLoader |
Files: | files | file ages | folders |
SHA1: |
77a0e66f105534c8cc6109de764b6403 |
User & Date: | mistachkin 2013-12-26 04:01:18.766 |
Context
2013-12-26
| ||
23:48 | More work-in-progress on refactoring the native library pre-loader. check-in: 60011bd9e5 user: mistachkin tags: refactorNativeLibraryPreLoader | |
04:01 | Refactor native library pre-loading code to be more flexible. check-in: 77a0e66f10 user: mistachkin tags: refactorNativeLibraryPreLoader | |
00:57 | Fix HTML entity escaping in the environment variable documentation page. check-in: 2f18d24bcc user: mistachkin tags: trunk | |
Changes
Changes to System.Data.SQLite/SQLiteConnection.cs.
︙ | ︙ | |||
1619 1620 1621 1622 1623 1624 1625 | int n; SortedList<string, string> ls = new SortedList<string, string>(StringComparer.OrdinalIgnoreCase); // First split into semi-colon delimited values. string error = null; string[] arParts; | < | < | 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 | int n; SortedList<string, string> ls = new SortedList<string, string>(StringComparer.OrdinalIgnoreCase); // First split into semi-colon delimited values. string error = null; string[] arParts; if (UnsafeNativeMethods.GetVariableValue("No_SQLiteConnectionNewParser") != null) arParts = SQLiteConvert.Split(s, ';'); else arParts = SQLiteConvert.NewSplit(s, ';', true, ref error); if (arParts == null) { throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, "Invalid ConnectionString format, cannot parse: {0}", (error != null) ? error : "could not split connection string into properties")); |
︙ | ︙ |
Changes to System.Data.SQLite/SQLiteFunction.cs.
︙ | ︙ | |||
653 654 655 656 657 658 659 | try { #if !PLATFORM_COMPACTFRAMEWORK // // NOTE: If the "No_SQLiteFunctions" environment variable is set, // skip all our special code and simply return. // | | | 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 | try { #if !PLATFORM_COMPACTFRAMEWORK // // NOTE: If the "No_SQLiteFunctions" environment variable is set, // skip all our special code and simply return. // if (UnsafeNativeMethods.GetVariableValue("No_SQLiteFunctions") != null) return; SQLiteFunctionAttribute at; System.Reflection.Assembly[] arAssemblies = System.AppDomain.CurrentDomain.GetAssemblies(); int w = arAssemblies.Length; System.Reflection.AssemblyName sqlite = System.Reflection.Assembly.GetExecutingAssembly().GetName(); |
︙ | ︙ |
Changes to System.Data.SQLite/SQLiteLog.cs.
︙ | ︙ | |||
148 149 150 151 152 153 154 | // is loaded per-process and has only one logging callback, // not one per-AppDomain, which it knows nothing about), // prevent all non-default AppDomains from registering a // log handler unless the "Force_SQLiteLog" environment // variable is used to manually override this safety check. // if (!AppDomain.CurrentDomain.IsDefaultAppDomain() && | | | 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 | // is loaded per-process and has only one logging callback, // not one per-AppDomain, which it knows nothing about), // prevent all non-default AppDomains from registering a // log handler unless the "Force_SQLiteLog" environment // variable is used to manually override this safety check. // if (!AppDomain.CurrentDomain.IsDefaultAppDomain() && UnsafeNativeMethods.GetVariableValue("Force_SQLiteLog") == null) { return; } #endif lock (syncRoot) { |
︙ | ︙ |
Changes to System.Data.SQLite/UnsafeNativeMethods.cs.
︙ | ︙ | |||
25 26 27 28 29 30 31 32 33 34 35 36 37 38 | #endif using System.Runtime.InteropServices; #if !PLATFORM_COMPACTFRAMEWORK || COUNT_HANDLE using System.Threading; #endif #if !PLATFORM_COMPACTFRAMEWORK && !DEBUG [SuppressUnmanagedCodeSecurity] #endif internal static class UnsafeNativeMethods { #region Critical Handle Counts (Debug Build Only) | > > | 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | #endif using System.Runtime.InteropServices; #if !PLATFORM_COMPACTFRAMEWORK || COUNT_HANDLE using System.Threading; #endif using System.Xml; #if !PLATFORM_COMPACTFRAMEWORK && !DEBUG [SuppressUnmanagedCodeSecurity] #endif internal static class UnsafeNativeMethods { #region Critical Handle Counts (Debug Build Only) |
︙ | ︙ | |||
66 67 68 69 70 71 72 | #if SQLITE_STANDARD || USE_INTEROP_DLL || PLATFORM_COMPACTFRAMEWORK // // NOTE: Only compile in the native library pre-load code if the feature // has been enabled for this build. // #if PRELOAD_NATIVE_LIBRARY | < < > > > > > | 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | #if SQLITE_STANDARD || USE_INTEROP_DLL || PLATFORM_COMPACTFRAMEWORK // // NOTE: Only compile in the native library pre-load code if the feature // has been enabled for this build. // #if PRELOAD_NATIVE_LIBRARY /// <summary> /// The name of the environment variable containing the processor /// architecture of the current process. /// </summary> private static readonly string PROCESSOR_ARCHITECTURE = "PROCESSOR_ARCHITECTURE"; ///////////////////////////////////////////////////////////////////////// private static readonly string DllFileExtension = ".dll"; ///////////////////////////////////////////////////////////////////////// private static readonly string XmlConfigurationFileName = typeof(UnsafeNativeMethods).Namespace + ".config"; ///////////////////////////////////////////////////////////////////////// /// <summary> /// This is the P/Invoke method that wraps the native Win32 LoadLibrary /// function. See the MSDN documentation for full details on what it /// does. /// </summary> |
︙ | ︙ | |||
197 198 199 200 201 202 203 | ///////////////////////////////////////////////////////////////////////// /// <summary> /// Attempts to initialize this class by pre-loading the native SQLite /// library for the processor architecture of the current process. /// </summary> internal static void Initialize() { | < | < | 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 | ///////////////////////////////////////////////////////////////////////// /// <summary> /// Attempts to initialize this class by pre-loading the native SQLite /// library for the processor architecture of the current process. /// </summary> internal static void Initialize() { // // NOTE: If the "No_PreLoadSQLite" environment variable is set (to // anything), skip all our special code and simply return. // if (GetVariableValue("No_PreLoadSQLite") != null) return; lock (staticSyncRoot) { // // TODO: Make sure this list is updated if the supported // processor architecture names and/or platform names // changes. |
︙ | ︙ | |||
244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 | if (_SQLiteModule == IntPtr.Zero) _SQLiteModule = PreLoadSQLiteDll(null, null); } } ///////////////////////////////////////////////////////////////////////// /// <summary> /// Queries and returns the base directory of the current application /// domain. /// </summary> /// <returns> /// The base directory for the current application domain -OR- null if it /// cannot be determined. /// </returns> private static string GetBaseDirectory() { | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > < < | > < | < < < | < | < < | < < < < < < < | < < | < | < < | < < < < < < < < < | | 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 | if (_SQLiteModule == IntPtr.Zero) _SQLiteModule = PreLoadSQLiteDll(null, null); } } ///////////////////////////////////////////////////////////////////////// /// <summary> /// /// </summary> /// <returns> /// /// </returns> private static string GetXmlConfigurationFileName() { string directory; string fileName; #if !PLATFORM_COMPACTFRAMEWORK directory = AppDomain.CurrentDomain.BaseDirectory; fileName = Path.Combine(directory, XmlConfigurationFileName); if (File.Exists(fileName)) return fileName; #endif directory = GetAssemblyDirectory(); fileName = Path.Combine(directory, XmlConfigurationFileName); if (File.Exists(fileName)) return fileName; return null; } ///////////////////////////////////////////////////////////////////////// /// <summary> /// Queries and returns the value of the specified "configuration" /// variable, using the XML configuration file and/or the environment /// variables for the current process and/or the current system, when /// available. /// </summary> /// <param name="name"> /// The name of the configuration variable. /// </param> /// <returns> /// The value of the configuration variable -OR- null if it cannot be /// determined. By default, references to existing environment will /// be expanded within the returned value unless either the "No_Expand" /// or "No_Expand_<paramref name="name" />" environment variables are /// set. /// </returns> internal static string GetVariableValue( string name ) { string value = null; if (name == null) return value; #if !PLATFORM_COMPACTFRAMEWORK bool expand = true; if (Environment.GetEnvironmentVariable("No_Expand") != null) { expand = false; } else if (Environment.GetEnvironmentVariable(String.Format( "No_Expand_{0}", name)) != null) { expand = false; } value = Environment.GetEnvironmentVariable(name); if (expand && !String.IsNullOrEmpty(value)) value = Environment.ExpandEnvironmentVariables(value); if (value != null) return value; #endif try { string fileName = GetXmlConfigurationFileName(); if (fileName == null) return value; XmlDocument document = new XmlDocument(); document.Load(fileName); XmlElement element = document.SelectSingleNode(String.Format( "/configuration/appSettings/add[@key='{0}']")) as XmlElement; if (element != null) { value = element.GetAttribute("value"); if (String.IsNullOrEmpty(value)) value = null; #if !PLATFORM_COMPACTFRAMEWORK else if (expand) value = Environment.ExpandEnvironmentVariables(value); #endif } } #if !NET_COMPACT_20 && TRACE_PRELOAD catch (Exception e) #else catch (Exception) #endif { #if !NET_COMPACT_20 && TRACE_PRELOAD try { Trace.WriteLine(String.Format( CultureInfo.CurrentCulture, "Native library pre-loader failed to get variable " + "\"{0}\" value: {1}", name, e)); /* throw */ } catch { // do nothing. } #endif } return value; } ///////////////////////////////////////////////////////////////////////// /// <summary> /// Queries and returns the directory for the assembly currently being /// executed. /// </summary> /// <returns> /// The directory for the assembly currently being executed -OR- null if /// it cannot be determined. /// </returns> private static string GetAssemblyDirectory() { try { Assembly assembly = Assembly.GetExecutingAssembly(); if (assembly == null) return null; string fileName; #if PLATFORM_COMPACTFRAMEWORK AssemblyName assemblyName = assembly.GetName(); if (assemblyName == null) return null; fileName = assemblyName.CodeBase; #else fileName = assembly.Location; #endif if (String.IsNullOrEmpty(fileName)) return null; string directory = Path.GetDirectoryName(fileName); if (String.IsNullOrEmpty(directory)) return null; return directory; } #if !NET_COMPACT_20 && TRACE_PRELOAD catch (Exception e) #else catch (Exception) #endif { #if !NET_COMPACT_20 && TRACE_PRELOAD try { Trace.WriteLine(String.Format( CultureInfo.CurrentCulture, "Native library pre-loader failed to get directory " + "for currently executing assembly: {0}", e)); /* throw */ } catch { // do nothing. } #endif } return null; } ///////////////////////////////////////////////////////////////////////// /// <summary> /// Queries and returns the base directory of the current application /// domain. /// </summary> /// <returns> /// The base directory for the current application domain -OR- null if it /// cannot be determined. /// </returns> private static string GetBaseDirectory() { // // NOTE: If the "PreLoadSQLite_BaseDirectory" environment variable // is set, use it verbatim for the base directory. // string directory = GetVariableValue("PreLoadSQLite_BaseDirectory"); if (directory != null) return directory; #if !PLATFORM_COMPACTFRAMEWORK // // NOTE: If the "PreLoadSQLite_UseAssemblyDirectory" environment // variable is set (to anything), attempt to use the directory // containing the currently executing assembly (i.e. // System.Data.SQLite) intsead of the application domain base // directory. // if (GetVariableValue("PreLoadSQLite_UseAssemblyDirectory") != null) { directory = GetAssemblyDirectory(); if (directory != null) return directory; } // // NOTE: Otherwise, fallback on using the base directory of the // current application domain. // return AppDomain.CurrentDomain.BaseDirectory; #else // // NOTE: Otherwise, fallback on using the directory containing // the currently executing assembly. // return GetAssemblyDirectory(); #endif } ///////////////////////////////////////////////////////////////////////// /// <summary> /// Determines if the dynamic link library file name requires a suffix /// and adds it if necessary. |
︙ | ︙ | |||
368 369 370 371 372 373 374 | /// </summary> /// <returns> /// The processor architecture of the current process -OR- null if it /// cannot be determined. /// </returns> private static string GetProcessorArchitecture() { | < | | | > > | 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 | /// </summary> /// <returns> /// The processor architecture of the current process -OR- null if it /// cannot be determined. /// </returns> private static string GetProcessorArchitecture() { // // NOTE: If the "PreLoadSQLite_ProcessorArchitecture" environment // variable is set, use it verbatim for the current processor // architecture. // string processorArchitecture = GetVariableValue( "PreLoadSQLite_ProcessorArchitecture"); if (processorArchitecture != null) return processorArchitecture; // // BUGBUG: Will this always be reliable? // processorArchitecture = GetVariableValue(PROCESSOR_ARCHITECTURE); ///////////////////////////////////////////////////////////////////// #if !PLATFORM_COMPACTFRAMEWORK // // HACK: Check for an "impossible" situation. If the pointer size // is 32-bits, the processor architecture cannot be "AMD64". // In that case, we are almost certainly hitting a bug in the // operating system and/or Visual Studio that causes the // PROCESSOR_ARCHITECTURE environment variable to contain the // wrong value in some circumstances. Please refer to ticket |
︙ | ︙ | |||
415 416 417 418 419 420 421 422 423 424 425 | // NOTE: We know that operating systems that return "AMD64" as // the processor architecture are actually a superset of // the "x86" processor architecture; therefore, return // "x86" when the pointer size is 32-bits. // processorArchitecture = "x86"; // // NOTE: Show that we hit a fairly unusual situation (i.e. the // "wrong" processor architecture was detected). // | > > > < > | | | > > > > > > > | < > | 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 | // NOTE: We know that operating systems that return "AMD64" as // the processor architecture are actually a superset of // the "x86" processor architecture; therefore, return // "x86" when the pointer size is 32-bits. // processorArchitecture = "x86"; #if !NET_COMPACT_20 && TRACE_PRELOAD try { // // NOTE: Show that we hit a fairly unusual situation (i.e. the // "wrong" processor architecture was detected). // Trace.WriteLine(String.Format( CultureInfo.CurrentCulture, "Native library pre-loader detected {0}-bit pointer " + "size with processor architecture \"{1}\", using " + "processor architecture \"{2}\" instead...", IntPtr.Size * 8 /* bits */, savedProcessorArchitecture, processorArchitecture)); /* throw */ } catch { // do nothing. } #endif } #endif ///////////////////////////////////////////////////////////////////// #if PLATFORM_COMPACTFRAMEWORK // // NOTE: On the .NET Compact Framework, attempt to use the native // Win32 API function (via P/Invoke) that can provide us with // the processor architecture. // try { |
︙ | ︙ | |||
454 455 456 457 458 459 460 | // the structure. // GetSystemInfo(out systemInfo); // // NOTE: Return the processor architecture value as a string. // | > | | > > | 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 | // the structure. // GetSystemInfo(out systemInfo); // // NOTE: Return the processor architecture value as a string. // processorArchitecture = systemInfo.wProcessorArchitecture.ToString(); } catch { // do nothing. } // // NOTE: Upon failure, return an empty string. // processorArchitecture = String.Empty; #endif return processorArchitecture; } ///////////////////////////////////////////////////////////////////////// /// <summary> /// Given the processor architecture, returns the name of the platform. /// </summary> /// <param name="processorArchitecture"> |
︙ | ︙ | |||
528 529 530 531 532 533 534 | /// </returns> private static IntPtr PreLoadSQLiteDll( string directory, string processorArchitecture ) { // | | > | 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 | /// </returns> private static IntPtr PreLoadSQLiteDll( string directory, string processorArchitecture ) { // // NOTE: If the specified base directory is null, use the default // (i.e. attempt to automatically detect it). // if (directory == null) directory = GetBaseDirectory(); // // NOTE: If we failed to query the base directory, stop now. // |
︙ | ︙ | |||
602 603 604 605 606 607 608 609 610 611 612 613 | // NOTE: If the file does not exist, skip trying to load it. // if (!File.Exists(fileName)) return IntPtr.Zero; } try { // // NOTE: Show exactly where we are trying to load the native // SQLite library from. // | > > > < | | > > > > > | 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 | // NOTE: If the file does not exist, skip trying to load it. // if (!File.Exists(fileName)) return IntPtr.Zero; } try { #if !NET_COMPACT_20 && TRACE_PRELOAD try { // // NOTE: Show exactly where we are trying to load the native // SQLite library from. // Trace.WriteLine(String.Format( CultureInfo.CurrentCulture, "Native library pre-loader is trying to load native " + "SQLite library \"{0}\"...", fileName)); /* throw */ } catch { // do nothing. } #endif // // NOTE: Attempt to load the native library. This will either // return a valid native module handle, return IntPtr.Zero, // or throw an exception. // |
︙ | ︙ | |||
633 634 635 636 637 638 639 | { #if !NET_COMPACT_20 && TRACE_PRELOAD try { // // NOTE: First, grab the last Win32 error number. // | | | | | 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 | { #if !NET_COMPACT_20 && TRACE_PRELOAD try { // // NOTE: First, grab the last Win32 error number. // int lastError = Marshal.GetLastWin32Error(); /* throw */ // // NOTE: Show where we failed to load the native SQLite // library from along with the Win32 error code and // exception information. // Trace.WriteLine(String.Format( CultureInfo.CurrentCulture, "Native library pre-loader failed to load native " + "SQLite library \"{0}\" (getLastError = {1}): {2}", fileName, lastError, e)); /* throw */ } catch { // do nothing. } #endif |
︙ | ︙ | |||
2325 2326 2327 2328 2329 2330 2331 | SQLiteBase.CloseConnection(this, localHandle); #endif #if !NET_COMPACT_20 && TRACE_HANDLE try { Trace.WriteLine(String.Format( | | | 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 | SQLiteBase.CloseConnection(this, localHandle); #endif #if !NET_COMPACT_20 && TRACE_HANDLE try { Trace.WriteLine(String.Format( "CloseConnection: {0}", localHandle)); /* throw */ } catch { } #endif #else lock (syncRoot) |
︙ | ︙ | |||
2360 2361 2362 2363 2364 2365 2366 | #endif { #if !NET_COMPACT_20 && TRACE_HANDLE try { Trace.WriteLine(String.Format( "CloseConnection: {0}, exception: {1}", | | | 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 | #endif { #if !NET_COMPACT_20 && TRACE_HANDLE try { Trace.WriteLine(String.Format( "CloseConnection: {0}, exception: {1}", handle, e)); /* throw */ } catch { } #endif } finally |
︙ | ︙ | |||
2511 2512 2513 2514 2515 2516 2517 | if (localHandle != IntPtr.Zero) SQLiteBase.FinalizeStatement(cnn, localHandle); #if !NET_COMPACT_20 && TRACE_HANDLE try { Trace.WriteLine(String.Format( | | | 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 | if (localHandle != IntPtr.Zero) SQLiteBase.FinalizeStatement(cnn, localHandle); #if !NET_COMPACT_20 && TRACE_HANDLE try { Trace.WriteLine(String.Format( "FinalizeStatement: {0}", localHandle)); /* throw */ } catch { } #endif #else lock (syncRoot) |
︙ | ︙ | |||
2546 2547 2548 2549 2550 2551 2552 | #endif { #if !NET_COMPACT_20 && TRACE_HANDLE try { Trace.WriteLine(String.Format( "FinalizeStatement: {0}, exception: {1}", | | | 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 | #endif { #if !NET_COMPACT_20 && TRACE_HANDLE try { Trace.WriteLine(String.Format( "FinalizeStatement: {0}, exception: {1}", handle, e)); /* throw */ } catch { } #endif } finally |
︙ | ︙ | |||
2682 2683 2684 2685 2686 2687 2688 | if (localHandle != IntPtr.Zero) SQLiteBase.FinishBackup(cnn, localHandle); #if !NET_COMPACT_20 && TRACE_HANDLE try { Trace.WriteLine(String.Format( | | | 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 | if (localHandle != IntPtr.Zero) SQLiteBase.FinishBackup(cnn, localHandle); #if !NET_COMPACT_20 && TRACE_HANDLE try { Trace.WriteLine(String.Format( "FinishBackup: {0}", localHandle)); /* throw */ } catch { } #endif #else lock (syncRoot) |
︙ | ︙ | |||
2717 2718 2719 2720 2721 2722 2723 | #endif { #if !NET_COMPACT_20 && TRACE_HANDLE try { Trace.WriteLine(String.Format( "FinishBackup: {0}, exception: {1}", | | | 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 | #endif { #if !NET_COMPACT_20 && TRACE_HANDLE try { Trace.WriteLine(String.Format( "FinishBackup: {0}, exception: {1}", handle, e)); /* throw */ } catch { } #endif } finally |
︙ | ︙ |