public void Open(uint timeOut)
{
if (connectionClosed != null)
{
Debug.Assert(false, "Connection is already open");
}
MySqlSecurityPermission.CreatePermissionSet(false).Assert();
GetConnectNumber(timeOut);
SetupEvents();
}
private void AcquireCredentials()
{
#if !CF
MySqlSecurityPermission.CreatePermissionSet(false).Assert();
#endif
continueProcessing = true;
int ss = AcquireCredentialsHandle(null, "Negotiate", SECPKG_CRED_OUTBOUND,
IntPtr.Zero, IntPtr.Zero, 0, IntPtr.Zero, ref outboundCredentials,
ref lifetime);
if (ss != SEC_E_OK)
{
throw new MySqlException("AcquireCredentialsHandle failed with errorcode" + ss);
}
}
private Stream CreateSocketStream(IPAddress ip, bool unix)
{
EndPoint endPoint;
#if !CF
if (!Platform.IsWindows() && unix)
{
endPoint = CreateUnixEndPoint(hostList);
}
else
#endif
endPoint = new IPEndPoint(ip, (int)port);
#if !CF
MySqlSecurityPermission.CreatePermissionSet(false).Assert();
#endif
Socket socket = unix ?
new Socket(AddressFamily.Unix, SocketType.Stream, ProtocolType.IP) :
new Socket(ip.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
if (keepalive > 0)
{
SetKeepAlive(socket, keepalive);
}
IAsyncResult ias = socket.BeginConnect(endPoint, null, null);
if (!ias.AsyncWaitHandle.WaitOne((int)timeOut * 1000, false))
{
socket.Close();
return(null);
}
try
{
socket.EndConnect(ias);
}
catch (Exception)
{
socket.Close();
throw;
}
MyNetworkStream stream = new MyNetworkStream(socket, true);
GC.SuppressFinalize(socket);
GC.SuppressFinalize(stream);
return(stream);
}
public void Open(string path, FileAccess mode, uint timeout)
{
IntPtr nativeHandle;
for (; ;)
{
NativeMethods.SecurityAttributes security = new NativeMethods.SecurityAttributes();
security.inheritHandle = true;
security.Length = Marshal.SizeOf(security);
MySqlSecurityPermission.CreatePermissionSet(false).Assert();
nativeHandle = NativeMethods.CreateFile(path, NativeMethods.GENERIC_READ | NativeMethods.GENERIC_WRITE,
0, security, NativeMethods.OPEN_EXISTING, NativeMethods.FILE_FLAG_OVERLAPPED, 0);
if (nativeHandle != IntPtr.Zero)
{
break;
}
if (Marshal.GetLastWin32Error() != ERROR_PIPE_BUSY)
{
throw new Win32Exception(Marshal.GetLastWin32Error(),
"Error opening pipe");
}
LowResolutionStopwatch sw = LowResolutionStopwatch.StartNew();
bool success = NativeMethods.WaitNamedPipe(path, timeout);
sw.Stop();
if (!success)
{
if (timeout < sw.ElapsedMilliseconds ||
Marshal.GetLastWin32Error() == ERROR_SEM_TIMEOUT)
{
throw new TimeoutException("Timeout waiting for named pipe");
}
else
{
throw new Win32Exception(Marshal.GetLastWin32Error(),
"Error waiting for pipe");
}
}
timeout -= (uint)sw.ElapsedMilliseconds;
}
handle = new SafeFileHandle(nativeHandle, true);
fileStream = new FileStream(handle, mode, 4096, true);
}