internal static OperationException CreateError(uv_err_code error)
{
string name = GetErrorName(error);
string description = GetErrorDescription(error);
return(new OperationException((int)error, name, description));
}
internal static Exception Map(uv_err_code error, string name = null)
{
if (error == uv_err_code.UV_OK)
{
return(null);
}
switch (error)
{
case uv_err_code.UV_EINVAL:
return(new ArgumentException(UVException.StringError(error)));
case uv_err_code.UV_ENOENT:
var path = (name == null ? System.IO.Directory.GetCurrentDirectory() : Path.Combine(System.IO.Directory.GetCurrentDirectory(), name));
return(new System.IO.FileNotFoundException(string.Format("Could not find file '{0}'.", path), path));
case uv_err_code.UV_EADDRINUSE:
return(new SocketException(10048));
case uv_err_code.UV_EADDRNOTAVAIL:
return(new SocketException(10049));
case uv_err_code.UV_ECONNREFUSED:
return(new SocketException(10061));
case uv_err_code.UV_ENOTSUP:
return(new NotSupportedException());
default:
return(new UVException(error));
}
}
internal static string GetErrorName(uv_err_code error)
{
IntPtr ptr = uv_err_name(error);
string name = ptr != IntPtr.Zero ? Marshal.PtrToStringAnsi(ptr) : null;
return(name);
}
private static string GetErrorName(uv_err_code code)
{
IntPtr ptr = uv_err_name(code);
if (ptr == IntPtr.Zero)
{
return(null);
}
return(Marshal.PtrToStringAnsi(ptr));
}
private static string GetErrorDescription(uv_err_code code)
{
IntPtr ptr = uv_strerror(code);
if (ptr == IntPtr.Zero)
{
return(null);
}
return(Marshal.PtrToStringAnsi(ptr));
}
internal static OperationException CreateError(uv_err_code error)
{
IntPtr ptr = uv_err_name(error);
string name = ptr != IntPtr.Zero ? Marshal.PtrToStringAnsi(ptr) : null;
ptr = uv_strerror(error);
string description = ptr != IntPtr.Zero ? Marshal.PtrToStringAnsi(ptr) : null;
return(new OperationException((int)error, name, description));
}
internal static string StringError(uv_err_code error)
{
return(StringError((int)error));
}
internal UVException(uv_err_code errorCode)
: this((int)errorCode)
{
}
private static extern IntPtr uv_err_name(uv_err_code err);
private static extern IntPtr uv_strerror(uv_err_code err);
internal static void ThrowOperationException(uv_err_code error) => throw CreateError(error);
static string GetErrorName(uv_err_code code)
{
IntPtr ptr = uv_err_name(code);
return(ptr == IntPtr.Zero ? null : Marshal.PtrToStringAnsi(ptr));
}
static string GetErrorDescription(uv_err_code code)
{
IntPtr ptr = uv_strerror(code);
return(ptr == IntPtr.Zero ? null : Marshal.PtrToStringAnsi(ptr));
}
public static extern IntPtr uv_err_name(uv_err_code err);
public static extern IntPtr uv_strerror(uv_err_code err);
public uv_err_t(int error)
{
code = (uv_err_code)error;
sys_errno_ = 0;
}
