protected SqliteDataProviderCommon(INativeLibraryLoader loader, string fileName, SqliteDateFormat dateFormat)
{
loader?.LoadLibrary();
_sqlite3 = new SqliteAPI();
FileName = fileName;
DateFormat = dateFormat;
}
public NativeLibrary(string path, INativeLibraryLoader loader)
{
this.path = path;
this.loader = loader;
this.handle = loader.LoadLibrary(path);
if (this.handle == IntPtr.Zero) {
throw new DllNotFoundException(path);
}
}
public NativeLibrary(string path, INativeLibraryLoader loader)
{
this.path = path;
this.loader = loader;
this.handle = loader.LoadLibrary(path);
if (this.handle == IntPtr.Zero)
{
throw new DllNotFoundException(path);
}
}
internal NativeLibrary(string path, INativeLibraryLoader loader)
{
_path = path;
_loader = loader;
_handle = loader.LoadLibrary(path);
if (_handle == IntPtr.Zero)
{
Trace.TraceError("NativeLibrary handle == IntPtr.Zero");
throw new DllNotFoundException(path);
}
}
internal NativeLibrary(string path, INativeLibraryLoader loader, IntPtr handle = default)
{
_path = path;
_loader = loader;
if (handle != default)
{
_handle = loader.LoadLibrary(path);
}
else
{
_handle = handle;
}
if (_handle == IntPtr.Zero)
{
var error = loader.LastError();
Trace.TraceError("NativeLibrary: handle == IntPtr.Zero, lastError: " + (long)error);
throw new DllNotFoundException(path);
}
}
static FunctionAddrLoader GetFunctionAddrLoader(LibraryContent[] libToLoad, INativeLibraryLoader loader)
{
var assem = Assembly.GetExecutingAssembly();
var an = assem.GetName();
var asseName = an.Name + ".";
var tempDirName = new DirectoryInfo(Path.Combine(Path.GetTempPath(), $"{NativlibTool.GetHashAssembly()}.{loader.GetArch()}.{an.Version}"));
// 1. create temp folder
{
if (!tempDirName.Exists)
{
tempDirName.Create();
}
}
// 2. copy to file
{
NativlibTool.WriteToTempDir(tempDirName.FullName, libToLoad);
}
// 3. load library
Dictionary <string, IntPtr> libAddrDict = new Dictionary <string, IntPtr>();
{
foreach (var lib in libToLoad)
{
var fileToLoadPath = Path.Combine(tempDirName.FullName, lib.FullPath);
if (loader.LoadLibrary(fileToLoadPath, out var libAddrPtr, out var errorInfo) == false)
{
throw new Exception($"load lib error: {fileToLoadPath} {errorInfo}");
}
libAddrDict.Add(lib.FullPath, libAddrPtr);
}
}
return(new FunctionAddrLoader(loader, libAddrDict));
}
protected SqliteDataProviderCommon(INativeLibraryLoader loader)
{
loader?.LoadLibrary();
_sqlite3 = new SqliteAPI();
}
