/// <summary>
/// Get's the current process architecture while keeping track of any assumptions or possible errors.
/// </summary>
/// <returns></returns>
private ProcessArchitectureInfo GetProcessArchitecture()
{
ProcessArchitectureInfo processInfo = new ProcessArchitectureInfo();
// BUGBUG: Will this always be reliable?
string processArchitecture = Environment.GetEnvironmentVariable(PROCESSOR_ARCHITECTURE);
if (!String.IsNullOrEmpty(processArchitecture))
{
// Sanity check
processInfo.Architecture = processArchitecture;
}
else
{
processInfo.Architecture = "x86";
processInfo.Warnings.Add("Failed to detect processor architecture, falling back to x86.");
}
var addressWidth = processorArchitectureAddressWidthPlatforms[processInfo.Architecture];
if (addressWidth != IntPtr.Size)
{
processInfo.Warnings.Add(String.Format("Expected the detected processing architecture of {0} to have an address width of {1} Bytes but was {2} Bytes.", processInfo.Architecture, addressWidth, IntPtr.Size));
}
return(processInfo);
}
private IntPtr LoadLibraryInternal(string dllName, string baseDirectory, ProcessArchitectureInfo processArchInfo)
{
var platformName = GetPlatformName(processArchInfo.Architecture);
var expectedDllDirectory = Path.Combine(
Path.Combine(baseDirectory, DllDirectory), platformName);
return(this.LoadLibraryRaw(dllName, expectedDllDirectory));
}
private IntPtr LoadLibraryRaw(string dllName, string baseDirectory)
{
var libraryHandle = IntPtr.Zero;
var fileName = FixUpDllFileName(Path.Combine(baseDirectory, dllName));
#if WINRT && false
// MP! Note: This is a hack, needs refinement. We don't need to carry payload of both binaries for WinRT because the appx is platform specific.
ProcessArchitectureInfo processInfo = GetProcessArchitecture();
string cpu = "x86";
if (processInfo.Architecture == "AMD64")
{
cpu = "x64";
}
string dllpath = baseDirectory.Replace($"dll\\{cpu}", "");
fileName = $"{dllpath}{dllName}.dll";
// Show where we're trying to load the file from
Debug.WriteLine($"Trying to load native library \"{fileName}\"...");
#endif
if (File.Exists(fileName))
{
// Attempt to load dll
try
{
libraryHandle = Win32Api.LoadLibrary(fileName);
if (libraryHandle != IntPtr.Zero)
{
// library has been loaded
Debug.WriteLine($"Successfully loaded native library \"{fileName}\".");
loadedAssemblies.Add(dllName);
}
else
{
Debug.WriteLine($"Failed to load native library \"{fileName}\".\r\nCheck windows event log.");
}
}
catch (Exception e)
{
// ReSharper disable once RedundantAssignment
var lastError = Marshal.GetLastWin32Error();
Debug.WriteLine(
$"Failed to load native library \"{fileName}\".\r\nLast Error:{lastError}\r\nCheck inner exception and\\or windows event log.\r\nInner Exception: {e}");
}
}
else
{
Debug.WriteLine(string.Format(CultureInfo.CurrentCulture,
"The native library \"{0}\" does not exist.",
fileName));
}
return(libraryHandle);
}
private IntPtr LoadLibraryInternal(string dllName, string baseDirectory, ProcessArchitectureInfo processArchInfo)
{
//IntPtr libraryHandle = IntPtr.Zero;
var platformName = GetPlatformName(processArchInfo.Architecture);
var expectedDllDirectory = Path.Combine(
Path.Combine(baseDirectory, DllDirectory), platformName);
//var fileName = FixUpDllFileName(Path.Combine(expectedDllDirectory, dllName));
return(LoadLibraryRaw(dllName, expectedDllDirectory));
}
private IntPtr LoadLibraryInternal(string dllName, string baseDirectory, ProcessArchitectureInfo processArchInfo)
{
IntPtr libraryHandle = IntPtr.Zero;
var platformName = GetPlatformName(processArchInfo.Architecture);
var expectedDllDirectory = Path.Combine(
Path.Combine(baseDirectory, DllDirectory), platformName);
var fileName = FixUpDllFileName(Path.Combine(expectedDllDirectory, dllName));
if (File.Exists(fileName))
{
// Attempt to load dll
try
{
// Show where we're trying to load the file from
Trace.TraceInformation(String.Format(CultureInfo.CurrentCulture,
"Trying to load native library \"{0}\"...",
fileName));
libraryHandle = Win32LoadLibrary(fileName);
if (libraryHandle != IntPtr.Zero)
{
// library has been loaded
Trace.TraceInformation(String.Format(CultureInfo.CurrentCulture,
"Successfully loaded native library \"{0}\".",
fileName));
loadedAssemblies.Add(dllName);
}
else
{
Trace.TraceError(
"Failed to load native library \"{0}\".\r\nCheck windows event log.",
fileName);
}
}
catch (Exception e)
{
var lastError = Marshal.GetLastWin32Error();
Trace.TraceError(
"Failed to load native library \"{0}\".\r\nLast Error:{1}\r\nCheck inner exception and\\or windows event log.\r\nInner Exception: {2}",
fileName, lastError, e);
}
}
else
{
Trace.TraceWarning(String.Format(CultureInfo.CurrentCulture,
"The native library \"{0}\" does not exist.",
fileName));
}
return(libraryHandle);
}
/// <summary>
/// Get's the current process architecture while keeping track of any assumptions or possible errors.
/// </summary>
/// <returns></returns>
private ProcessArchitectureInfo GetProcessArchitecture()
{
// BUGBUG: Will this always be reliable?
var processArchitecture = Environment.GetEnvironmentVariable(ProcessorArchitecture);
var processInfo = new ProcessArchitectureInfo();
if (!string.IsNullOrEmpty(processArchitecture))
{
// Sanity check
processInfo.Architecture = processArchitecture;
}
else
{
processInfo.AddWarning("Failed to detect processor architecture, falling back to x86.");
processInfo.Architecture = (IntPtr.Size == 8) ? "x64" : "x86";
}
var addressWidth = processorArchitectureAddressWidthPlatforms[processInfo.Architecture];
if (addressWidth != IntPtr.Size)
{
if (string.Equals(processInfo.Architecture, "AMD64", StringComparison.OrdinalIgnoreCase) &&
IntPtr.Size == 4)
{
// fall back to x86 if detected x64 but has an address width of 32 bits.
processInfo.Architecture = "x86";
processInfo.AddWarning(
"Expected the detected processing architecture of {0} to have an address width of {1} Bytes but was {2} Bytes, falling back to x86.",
processInfo.Architecture, addressWidth, IntPtr.Size);
}
else
{
// no fallback possible
processInfo.AddWarning(
"Expected the detected processing architecture of {0} to have an address width of {1} Bytes but was {2} Bytes.",
processInfo.Architecture, addressWidth, IntPtr.Size);
}
}
return(processInfo);
}
private IntPtr LoadLibraryInternal(string dllName, string baseDirectory, ProcessArchitectureInfo processArchInfo)
{
//IntPtr libraryHandle = IntPtr.Zero;
var platformName = GetPlatformName(processArchInfo.Architecture);
var expectedDllDirectory = Path.Combine(
Path.Combine(baseDirectory, DllDirectory), platformName);
//var fileName = FixUpDllFileName(Path.Combine(expectedDllDirectory, dllName));
return LoadLibraryRaw(dllName, expectedDllDirectory);
}
/// <summary>
/// Get's the current process architecture while keeping track of any assumptions or possible errors.
/// </summary>
/// <returns></returns>
private ProcessArchitectureInfo GetProcessArchitecture()
{
// BUGBUG: Will this always be reliable?
string processArchitecture = Environment.GetEnvironmentVariable(ProcessorArchitecture);
var processInfo = new ProcessArchitectureInfo();
if (!String.IsNullOrEmpty(processArchitecture))
{
// Sanity check
processInfo.Architecture = processArchitecture;
}
else
{
processInfo.AddWarning("Failed to detect processor architecture, falling back to x86.");
processInfo.Architecture = (IntPtr.Size == 8) ? "x64" : "x86";
}
var addressWidth = processorArchitectureAddressWidthPlatforms[processInfo.Architecture];
if (addressWidth != IntPtr.Size)
{
if (String.Equals(processInfo.Architecture, "AMD64", StringComparison.OrdinalIgnoreCase) && IntPtr.Size == 4)
{
// fall back to x86 if detected x64 but has an address width of 32 bits.
processInfo.Architecture = "x86";
processInfo.AddWarning("Expected the detected processing architecture of {0} to have an address width of {1} Bytes but was {2} Bytes, falling back to x86.", processInfo.Architecture, addressWidth, IntPtr.Size);
}
else
{
// no fallback possible
processInfo.AddWarning("Expected the detected processing architecture of {0} to have an address width of {1} Bytes but was {2} Bytes.", processInfo.Architecture, addressWidth, IntPtr.Size);
}
}
return processInfo;
}
private IntPtr LoadLibraryInternal(string dllName, string baseDirectory, ProcessArchitectureInfo processArchInfo)
{
IntPtr libraryHandle = IntPtr.Zero;
var platformName = GetPlatformName(processArchInfo.Architecture);
var expectedDllDirectory = Path.Combine(
Path.Combine(baseDirectory, DllDirectory), platformName);
var fileName = FixUpDllFileName(Path.Combine(expectedDllDirectory, dllName));
if (File.Exists(fileName))
{
// Attempt to load dll
try
{
// Show where we're trying to load the file from
Trace.TraceInformation(String.Format(CultureInfo.CurrentCulture,
"Trying to load native library \"{0}\"...",
fileName));
libraryHandle = Win32LoadLibrary(fileName);
if (libraryHandle != IntPtr.Zero)
{
// library has been loaded
Trace.TraceInformation(String.Format(CultureInfo.CurrentCulture,
"Successfully loaded native library \"{0}\".",
fileName));
loadedAssemblies.Add(dllName);
}
else
{
Trace.TraceError(
"Failed to load native library \"{0}\".\r\nCheck windows event log.",
fileName);
}
}
catch (Exception e)
{
var lastError = Marshal.GetLastWin32Error();
Trace.TraceError(
"Failed to load native library \"{0}\".\r\nLast Error:{1}\r\nCheck inner exception and\\or windows event log.\r\nInner Exception: {2}",
fileName, lastError, e);
}
}
else
{
Trace.TraceWarning(String.Format(CultureInfo.CurrentCulture,
"The native library \"{0}\" does not exist.",
fileName));
}
return libraryHandle;
}
