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//
// OciServiceHandle.cs
//
// Part of managed C#/.NET library System.Data.OracleClient.dll
//
// Part of the Mono class libraries at
// mcs/class/System.Data.OracleClient/System.Data.OracleClient.Oci
//
// Assembly: System.Data.OracleClient.dll
// Namespace: System.Data.OracleClient.Oci
//
// Author:
// Tim Coleman <tim@timcoleman.com>
// Daniel Morgan <monodanmorg@yahoo.com>
//
// Copyright (C) Tim Coleman, 2003
// Copyright (C) Daniel Morgan, 2009
//
//#define ORACLE_DATA_ACCESS
using System;
using System.Runtime.InteropServices;
namespace System.Data.OracleClient.Oci {
internal sealed class OciServiceHandle : OciHandle
{
#region Fields
bool disposed = false;
OciSessionHandle session;
OciServerHandle server;
OciErrorHandle errorHandle;
#if ORACLE_DATA_ACCESS
static readonly uint OCI_AUTH = 8;
#endif
#endregion // Fields
#region Constructors
public OciServiceHandle (OciHandle parent, IntPtr handle)
: base (OciHandleType.Service, parent, handle)
{
}
#endregion // Constructors
#region Properties
public OciErrorHandle ErrorHandle {
get { return errorHandle; }
set { errorHandle = value; }
}
#endregion // Properties
#region Methods
protected override void Dispose (bool disposing)
{
if (!disposed) {
try {
if (disposing) {
//if (server != null)
// server.Dispose ();
//if (session != null)
// session.Dispose ();
}
disposed = true;
} finally {
base.Dispose (disposing);
}
}
}
public bool SetServer (OciServerHandle handle)
{
server = handle;
int status = OciCalls.OCIAttrSet (this,
HandleType,
server,
0,
OciAttributeType.Server,
ErrorHandle);
return (status == 0);
}
public bool SetSession (OciSessionHandle handle)
{
session = handle;
int status = OciCalls.OCIAttrSet (this,
HandleType,
session,
0,
OciAttributeType.Session,
ErrorHandle);
return (status == 0);
}
#if ORACLE_DATA_ACCESS
byte[] UnicodeToCharSet (string s)
{
int rsize = 0;
byte [] buffer;
// Get size of buffer
OciCalls.OCIUnicodeToCharSet (Parent, null, s, out rsize);
// Fill buffer
buffer = new byte[rsize];
OciCalls.OCIUnicodeToCharSet (Parent, buffer, s, out rsize);
return buffer;
}
internal bool ChangePassword (string new_password, OciErrorHandle error)
{
if (!session.SetCredentialAttributes (error))
return false;
byte[] ub = UnicodeToCharSet (session.Username
byte[] opb = UnicodeToCharSet (session.Password);
byte[] npb = UnicodeToCharSet (new_password);
int status = OciCalls.OCIPasswordChange (this, error, ub, ub.Length, opb, opb.Length, npb, npb.Length, OCI_AUTH);
if (status == 0) {
session.Password = new_password;
return true;
}
return false;
}
#endif
#endregion // Methods
}
}
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