static IntPtr LoadWindowsLibrary(string libName, out SymbolLookupDelegate symbolLookup)
{
string libFile = libName + ".dll";
string rootDirectory = AppDomain.CurrentDomain.BaseDirectory;
string assemblyDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var paths = new[]
{
Path.Combine(assemblyDirectory, "bin", Environment.Is64BitProcess ? "x64" : "x86", libFile),
Path.Combine(assemblyDirectory, Environment.Is64BitProcess ? "x64" : "x86", libFile),
Path.Combine(assemblyDirectory, libFile),
Path.Combine(rootDirectory, "bin", Environment.Is64BitProcess ? "x64" : "x86", libFile),
Path.Combine(rootDirectory, Environment.Is64BitProcess ? "x64" : "x86", libFile),
Path.Combine(rootDirectory, libFile)
};
foreach (var path in paths)
{
if (File.Exists(path))
{
var addr = LoadLibrary(path);
if (addr == IntPtr.Zero)
{
// Not using NanomsgException because it depends on nn_errno.
throw new Exception("LoadLibrary failed: " + path);
}
symbolLookup = GetProcAddress;
NativeLibraryPath = path;
return(addr);
}
}
throw new Exception("LoadLibrary failed: unable to locate library " + libFile + ". Searched: " + paths.Aggregate((a, b) => a + "; " + b));
}
public NativeLibrary(string filePath, IntPtr handle, SymbolLookupDelegate symbolLookup)
{
FilePath = filePath;
Handle = handle;
SymbolLookup = symbolLookup;
}
static IntPtr LoadPosixLibrary(string libName, out SymbolLookupDelegate symbolLookup)
{
const int RTLD_NOW = 2;
string libFile = "lib" + libName.ToLower() + ".so";
string rootDirectory = AppDomain.CurrentDomain.BaseDirectory;
var paths = new[]
{
Path.Combine(rootDirectory, "bin", Environment.Is64BitProcess ? "x64" : "x86", libFile),
Path.Combine(rootDirectory, Environment.Is64BitProcess ? "x64" : "x86", libFile),
Path.Combine(rootDirectory, libFile),
Path.Combine("/usr/local/lib", libFile),
Path.Combine("/usr/lib", libFile)
};
foreach (var path in paths)
{
if (File.Exists(path))
{
var addr = dlopen(path, RTLD_NOW);
if (addr == IntPtr.Zero)
{
// Not using NanosmgException because it depends on nn_errno.
throw new Exception("dlopen failed: " + path + " : " + Marshal.PtrToStringAnsi(dlerror()));
}
symbolLookup = dlsym;
NativeLibraryPath = path;
return(addr);
}
}
throw new Exception("dlopen failed: unable to locate library " + libFile + ". Searched: " + paths.Aggregate((a, b) => a + "; " + b));
}
private static IntPtr LoadWindowsUniversalLibrary(out SymbolLookupDelegate symbolLookup)
{
var addr = LoadLibrary("freetype.dll");
if (addr == IntPtr.Zero)
{
throw new Exception("LoadPackagedLibrary failed: freetype.dll");
}
symbolLookup = GetProcAddress;
NativeLibraryPath = ".";
return(addr);
}
private static IntPtr LoadAndroidLibrary(out SymbolLookupDelegate symbolLookup)
{
var libName = "libfreetype.so";
var addr = dlopen(libName, RTLD_NOW);
if (addr == IntPtr.Zero)
{
// Not using NanosmgException because it depends on nn_errno.
var error = Marshal.PtrToStringAnsi(dlerror());
throw new Exception("Android - dlopen failed: " + libName + " : " + error);
}
symbolLookup = dlsym;
NativeLibraryPath = libName;
return(addr);
}
static IntPtr LoadPosixLibrary(string libName, out SymbolLookupDelegate symbolLookup)
{
var libExt = ".so";
bool isOSX = System.Runtime.InteropServices.RuntimeInformation.IsOSPlatform(OSPlatform.OSX);
if (isOSX)
{
libExt = ".dylib";
}
const int RTLD_NOW = 2;
string libFile = $"lib{libName.ToLower()}{libExt}";
string rootDirectory = AppDomain.CurrentDomain.BaseDirectory;
string assemblyDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var paths = new[]
{
calculatexdir(assemblyDirectory, "net40", libFile),
Path.Combine(rootDirectory, "bin", Environment.Is64BitProcess ? "x64" : "x86", libFile),
Path.Combine(rootDirectory, Environment.Is64BitProcess ? "x64" : "x86", libFile),
Path.Combine(rootDirectory, libFile),
Path.Combine("/usr/local/lib", libFile),
Path.Combine("/usr/lib", libFile)
};
foreach (var path in paths)
{
if (path == null)
{
continue;
}
if (File.Exists(path))
{
var addr = dlopen(path, RTLD_NOW);
if (addr == IntPtr.Zero)
{
// Not using NanosmgException because it depends on nn_errno.
throw new Exception("dlopen failed: " + path + " : " + Marshal.PtrToStringAnsi(dlerror()));
}
symbolLookup = dlsym;
NativeLibraryPath = path;
return(addr);
}
}
throw new Exception("dlopen failed: unable to locate library " + libFile + ". Searched: " + paths.Aggregate((a, b) => a + "; " + b));
}
private static IntPtr LoadPosixLibrary(out SymbolLookupDelegate symbolLookup)
{
string rootDirectory = AppDomain.CurrentDomain.BaseDirectory;
// Environment.OSVersion.Platform returns "Unix" for Unix or OSX, so use RuntimeInformation here
var isOsx = RuntimeInformation.IsOSPlatform(OSPlatform.OSX);
string libFile = isOsx ? "libfreetype.dylib" : "libfreetype.so";
string arch = isOsx ? "osx" : "linux-" + (Environment.Is64BitProcess ? "x64" : "x86");
// Search a few different locations for our native assembly
var paths = new[]
{
// This is where native libraries in our nupkg should end up
Path.Combine(rootDirectory, "runtimes", arch, "native", libFile),
// The build output folder
Path.Combine(rootDirectory, libFile),
Path.Combine("/usr/local/lib", libFile),
Path.Combine("/usr/lib", libFile)
};
foreach (var path in paths)
{
if (path == null)
{
continue;
}
if (!File.Exists(path))
{
continue;
}
var addr = dlopen(path, RTLD_NOW);
if (addr == IntPtr.Zero)
{
// Not using NanosmgException because it depends on nn_errno.
var error = Marshal.PtrToStringAnsi(dlerror());
throw new Exception("dlopen failed: " + path + " : " + error);
}
symbolLookup = dlsym;
NativeLibraryPath = path;
return(addr);
}
throw new Exception("dlopen failed: unable to locate library " + libFile + ". Searched: " + paths.Aggregate((a, b) => a + "; " + b));
}
static IntPtr LoadPosixLibrary(string libName, out SymbolLookupDelegate symbolLookup)
{
const int RTLD_NOW = 2;
string libFile = "lib" + libName.ToLower() + ".so";
string assemblyDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var paths = new[]
{
CombinePaths(Is64BitProcess ? "x64" : "x86", libFile),
CombinePaths(assemblyDirectory, Is64BitProcess ? "x64" : "x86", libFile),
CombinePaths(assemblyDirectory, libFile),
CombinePaths("/usr/local/lib", libFile),
CombinePaths("/usr/lib", libFile)
};
foreach (var path in paths)
{
if (path == null)
{
continue;
}
if (File.Exists(path))
{
var addr = dlopen(path, RTLD_NOW);
if (addr == IntPtr.Zero)
{
// Not using NanosmgException because it depends on nn_errno.
throw new Exception("dlopen failed: " + path + " : " + Marshal.PtrToStringAnsi(dlerror()));
}
symbolLookup = dlsym;
NativeLibraryPath = path;
return(addr);
}
}
throw new Exception("dlopen failed: unable to locate library " + libFile + ". Searched: " + paths.Aggregate((a, b) => a + "; " + b));
}
private static IntPtr LoadWindowsLibrary(out SymbolLookupDelegate symbolLookup)
{
string libFile = "freetype.dll";
string arch = Environment.Is64BitProcess ? "win-x64" : "win-x86";
string rootDirectory = AppDomain.CurrentDomain.BaseDirectory;
var paths = new[]
{
// This is where native libraries in our nupkg should end up
Path.Combine(rootDirectory, "runtimes", arch, "native", libFile),
Path.Combine(rootDirectory, Environment.Is64BitProcess ? "x64" : "x86", libFile),
Path.Combine(rootDirectory, libFile)
};
foreach (var path in paths)
{
if (path == null)
{
continue;
}
if (!File.Exists(path))
{
continue;
}
var addr = LoadLibrary(path);
if (addr == IntPtr.Zero)
{
throw new Exception("LoadLibrary failed: " + path);
}
symbolLookup = GetProcAddress;
NativeLibraryPath = path;
return(addr);
}
throw new Exception("LoadLibrary failed: unable to locate library " + libFile + ". Searched: " + paths.Aggregate((a, b) => a + "; " + b));
}
private static IntPtr LoadPosixLibrary(string libName, out SymbolLookupDelegate symbolLookup)
{
const int RTLD_NOW = 2;
const int RTLD_GLOBAL = 256;
string libFile = "lib" + libName.ToLower() + ".so";
string rootDirectory = AppDomain.CurrentDomain.BaseDirectory;
string assemblyDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var libs = new[]
{
libFile + ".5",
libFile + ".5.1.0",
libFile + ".5.0.0",
libFile + ".4.0.0",
libFile + ".3.0.0",
libFile + ".0",
libFile
};
var paths = new[]
{
"/usr/local/lib" + (Environment.Is64BitProcess ? "64" : "32"),
"/usr/local/lib",
"/usr/lib" + (Environment.Is64BitProcess ? "64" : "32"),
"/usr/lib",
Path.Combine(assemblyDirectory, "net40"),
Path.Combine(rootDirectory, "bin", Environment.Is64BitProcess ? "x64" : "x86"),
Path.Combine(rootDirectory, Environment.Is64BitProcess ? "x64" : "x86"),
rootDirectory,
};
foreach (var path in paths)
{
if (path == null)
{
continue;
}
foreach (var lib in libs)
{
if (lib == null)
{
continue;
}
string libpath = Path.Combine(path, lib);
if (File.Exists(libpath))
{
var addr = dlopen(libpath, RTLD_NOW + RTLD_GLOBAL);
if (addr == IntPtr.Zero)
{
// Not using NanosmgException because it depends on nn_errno.
throw new Exception("dlopen failed: " + libpath + " : " + Marshal.PtrToStringAnsi(dlerror()));
}
symbolLookup = dlsym;
NativeLibraryPath = libpath;
return(addr);
}
}
}
throw new Exception("dlopen failed: unable to locate library " + libFile + ". Searched: " + paths.Aggregate((a, b) => a + "; " + b));
}
private static IntPtr LoadPosixLibrary(string libName, out SymbolLookupDelegate symbolLookup)
{
const int RTLD_NOW = 2;
// RTLD_NOLOAD is different on OSX and Linux
// https://opensource.apple.com/source/dyld/dyld-195.5/include/dlfcn.h.auto.html
int RTLD_NOLOAD = (Environment.OSVersion.Platform == PlatformID.MacOSX ? 16 : 4);
string libsuffix = (Environment.OSVersion.Platform == PlatformID.MacOSX ? ".dylib" : ".so");
string libFileBase = "lib" + libName.ToLower();
string rootDirectory = AppDomain.CurrentDomain.BaseDirectory;
string assemblyDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
string searched = "";
// Support libnanomsg installed into the system.
// Try to open nanomsg library versions from the newest to the oldest.
// Versions:
// 5 - nanomsg 1.1.3+
// 5.1.0 - nanomsg 1.1.0 ... 1.1.2
// 5.0.0 - nanomsg 0.9-beta ... 1.0.x
// 4.0.0 - nanomsg 0.8-beta
// 3.0.0 - nanomsg 0.7-beta
// 0 - nanomsg 0.6-beta or older
// "" - fallback to the SDK symlink or the shipped binary.
var versions = new []
{
".5", ".5.1.0", ".5.0.0", ".4.0.0", ".3.0.0", ".0", ""
};
// Support the embedded Mono case when the native binary is
// also linked with nanomsg.
foreach (var ver in versions)
{
string libFile = (Environment.OSVersion.Platform == PlatformID.MacOSX ? libFileBase + ver + libsuffix : libFileBase + libsuffix + ver);
var addr = dlopen(libFile, RTLD_NOW + RTLD_NOLOAD);
// It's not an error when dlopen() returns NULL in this case.
// We'll retry later without RTLD_NOLOAD.
if (addr == IntPtr.Zero)
{
continue;
}
symbolLookup = dlsym;
NativeLibraryPath = libFile;
return(addr);
}
;
foreach (var ver in versions)
{
string libFile = (Environment.OSVersion.Platform == PlatformID.MacOSX ? libFileBase + ver + libsuffix : libFileBase + libsuffix + ver);
// Prefer libFile as is, i.e. dlopen() searches it for us.
// This solves multilib and path finding problems for us.
var paths = new[]
{
libFile,
calculatexdir(assemblyDirectory, "net40", libFile),
Path.Combine(rootDirectory, "bin", Environment.Is64BitProcess ? "x64" : "x86", libFile),
Path.Combine(rootDirectory, Environment.Is64BitProcess ? "x64" : "x86", libFile),
Path.Combine(rootDirectory, libFile),
};
foreach (var path in paths)
{
if (path == null)
{
continue;
}
var addr = dlopen(path, RTLD_NOW);
if (addr == IntPtr.Zero)
{
// It's not an error if dlopen() returns NULL.
// We'll retry with a different path.
continue;
}
symbolLookup = dlsym;
NativeLibraryPath = path;
return(addr);
}
searched = searched + paths.Aggregate((a, b) => a + "; " + b);
}
;
throw new Exception("dlopen failed: unable to locate nanomsg library. Searched: " + searched);
}
private static IntPtr LoadiOSLibrary(out SymbolLookupDelegate symbolLookup)
{
symbolLookup = null;
NativeLibraryPath = "__Internal";
return(IntPtr.Zero);
}
static IntPtr LoadWindowsLibrary(string libName, out SymbolLookupDelegate symbolLookup)
{
string libFile = libName + ".dll";
string rootDirectory = AppDomain.CurrentDomain.BaseDirectory;
string assemblyDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var paths = new[]
{
calculatexdir(assemblyDirectory, "net40", libFile),
Path.Combine(rootDirectory, "bin", Environment.Is64BitProcess ? "x64" : "x86", libFile),
Path.Combine(rootDirectory, Environment.Is64BitProcess ? "x64" : "x86", libFile),
Path.Combine(rootDirectory, libFile)
};
foreach (var path in paths)
{
if (path == null)
{
continue;
}
if (File.Exists(path))
{
var addr = LoadLibrary(path);
if (addr == IntPtr.Zero)
{
// Not using NanomsgException because it depends on nn_errno.
throw new Exception("LoadLibrary failed: " + path);
}
symbolLookup = GetProcAddress;
return addr;
}
}
throw new Exception("LoadLibrary failed: unable to locate library " + libFile + ". Searched: " + paths.Aggregate((a, b) => a + "; " + b));
}
static IntPtr LoadPosixLibrary(string libName, out SymbolLookupDelegate symbolLookup)
{
const int RTLD_NOW = 2;
string libFile = "lib" + libName.ToLower() + ".so";
string rootDirectory = AppDomain.CurrentDomain.BaseDirectory;
string assemblyDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var paths = new[]
{
calculatexdir(assemblyDirectory, "net40", libFile),
Path.Combine(rootDirectory, "bin", Environment.Is64BitProcess ? "x64" : "x86", libFile),
Path.Combine(rootDirectory, Environment.Is64BitProcess ? "x64" : "x86", libFile),
Path.Combine(rootDirectory, libFile),
Path.Combine("/usr/local/lib", libFile),
Path.Combine("/usr/lib", libFile)
};
foreach (var path in paths)
{
if (path == null)
{
continue;
}
if (File.Exists(path))
{
var addr = dlopen(path, RTLD_NOW);
if (addr == IntPtr.Zero)
{
// Not using NanosmgException because it depends on nn_errno.
throw new Exception("dlopen failed: " + path + " : " + Marshal.PtrToStringAnsi(dlerror()));
}
symbolLookup = dlsym;
return addr;
}
}
throw new Exception("dlopen failed: unable to locate library " + libFile + ". Searched: " + paths.Aggregate((a, b) => a + "; " + b));
}