C# OciHandle类代码示例

 internal int OCILobFileSetNameWrapper(OciHandle envhp, OciHandle errhp, byte[] dirAlias, ushort dirAliasLength, byte[] fileName, ushort fileNameLength)
 {
     int num;
     bool success = false;
     RuntimeHelpers.PrepareConstrainedRegions();
     try
     {
         base.DangerousAddRef(ref success);
         RuntimeHelpers.PrepareConstrainedRegions();
         try
         {
         }
         finally
         {
             IntPtr handle = base.DangerousGetHandle();
             num = System.Data.Common.UnsafeNativeMethods.OCILobFileSetName(envhp, errhp, ref handle, dirAlias, dirAliasLength, fileName, fileNameLength);
             base.handle = handle;
         }
     }
     finally
     {
         if (success)
         {
             base.DangerousRelease();
         }
     }
     return num;
 }

 internal static int OCIAttrSet(OciHandle trgthndlp, OciHandle attributep, uint size, OCI.ATTR attrtype, OciHandle errhp)
 {
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCIAttrSet|ADV|OCI>              trgthndlp=0x%-07Ix trghndltyp=%-18ls attributep=0x%-07Ix size=%d attrtype=%-22ls errhp=0x%-07Ix\n", trgthndlp, trgthndlp.HandleType, attributep, size, attrtype, errhp);
     }
     return System.Data.Common.UnsafeNativeMethods.OCIAttrSet(trgthndlp, trgthndlp.HandleType, attributep, size, attrtype, errhp);
 }

 internal static int OCIAttrGet(OciHandle trgthndlp, OciHandle attributep, out uint sizep, OCI.ATTR attrtype, OciHandle errhp)
 {
     int num = System.Data.Common.UnsafeNativeMethods.OCIAttrGet(trgthndlp, trgthndlp.HandleType, attributep, out sizep, attrtype, errhp);
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCIAttrGet|ADV|OCI|RET>          trgthndlp=0x%-07Ix trghndltyp=%-18ls attrtype=%-22ls errhp=0x%-07Ix attributep=0x%-18Ix sizep=%2d rc=%d\n", trgthndlp, trgthndlp.HandleType, attrtype, errhp, OciHandle.HandleValueToTrace(attributep), sizep, num);
     }
     return num;
 }

 internal static int OCIServerVersion(OciHandle hndlp, OciHandle errhp, NativeBuffer bufp)
 {
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCIServerVersion|ADV|OCI>        hndlp=0x%-07Ix errhp=0x%-07Ix bufp=0x%-07Ix bufsz=%d hndltype=%d{OCI.HTYPE}\n", OciHandle.HandleValueToTrace(hndlp), OciHandle.HandleValueToTrace(errhp), NativeBuffer.HandleValueToTrace(bufp), bufp.Length, (int) hndlp.HandleType);
     }
     int num = System.Data.Common.UnsafeNativeMethods.OCIServerVersion(hndlp, errhp, bufp, (uint) bufp.Length, (byte) hndlp.HandleType);
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCIServerVersion|ADV|OCI|RET>    rc=%d\n%ls\n\n", num, hndlp.PtrToString(bufp));
     }
     return num;
 }

 internal static int OCISessionBegin(OciHandle svchp, OciHandle errhp, OciHandle usrhp, OCI.CRED credt, OCI.MODE mode)
 {
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCISessionBegin|ADV|OCI>         svchp=0x%-07Ix errhp=0x%-07Ix usrhp=0x%-07Ix credt=%ls mode=0x%x{OCI.MODE}\n", svchp, errhp, usrhp, credt, (int) mode);
     }
     int num = System.Data.Common.UnsafeNativeMethods.OCISessionBegin(svchp, errhp, usrhp, credt, mode);
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCISessionBegin|ADV|OCI|RET>     rc=%d\n", num);
     }
     return num;
 }

 internal static int OCIRowidToChar(OciHandle rowidDesc, NativeBuffer outbfp, ref int bufferLength, OciHandle errhp)
 {
     ushort outbflp = (ushort) bufferLength;
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCIRowidToChar|ADV|OCI>          rowidDesc=0x%-07Ix outbfp=0x%-07Ix outbflp=%d, errhp=0x%-07Ix\n", OciHandle.HandleValueToTrace(rowidDesc), NativeBuffer.HandleValueToTrace(outbfp), outbfp.Length, OciHandle.HandleValueToTrace(errhp));
     }
     int num = System.Data.Common.UnsafeNativeMethods.OCIRowidToChar(rowidDesc, outbfp, ref outbflp, errhp);
     bufferLength = outbflp;
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCIRowidToChar|ADV|OCI|RET>      outbfp='%ls' rc=%d\n", outbfp.PtrToStringAnsi(0, outbflp), num);
     }
     return num;
 }

 internal static int OCIServerAttach(OciHandle srvhp, OciHandle errhp, string dblink, int dblink_len, OCI.MODE mode)
 {
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCIServerAttach|ADV|OCI>         srvhp=0x%-07Ix errhp=0x%-07Ix dblink='%ls' dblink_len=%d mode=0x%x{OCI.MODE}\n", srvhp, errhp, dblink, dblink_len, (int) mode);
     }
     byte[] bytes = srvhp.GetBytes(dblink);
     int length = bytes.Length;
     int num = System.Data.Common.UnsafeNativeMethods.OCIServerAttach(srvhp, errhp, bytes, length, mode);
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCIServerAttach|ADV|OCI|RET>     rc=%d\n", num);
     }
     return num;
 }

 internal static int OCILobFileSetName(OciHandle envhp, OciHandle errhp, OciFileDescriptor filep, string dir_alias, string filename)
 {
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCILobFileSetName|ADV|OCI> envhp=0x%-07Ix errhp=0x%-07Ix filep=0x%-07Ix dir_alias='%ls', d_length=%d, filename='%ls', f_length=%d\n", OciHandle.HandleValueToTrace(envhp), OciHandle.HandleValueToTrace(errhp), OciHandle.HandleValueToTrace(filep), dir_alias, dir_alias.Length, filename, filename.Length);
     }
     byte[] bytes = envhp.GetBytes(dir_alias);
     ushort length = (ushort) bytes.Length;
     byte[] fileName = envhp.GetBytes(filename);
     ushort fileNameLength = (ushort) fileName.Length;
     int num = filep.OCILobFileSetNameWrapper(envhp, errhp, bytes, length, fileName, fileNameLength);
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCILobFileSetName|ADV|OCI|RET> rc=%d\n", num);
     }
     return num;
 }

 internal static int OCILobCreateTemporary(OciHandle svchp, OciHandle errhp, OciHandle locp, [In, MarshalAs(UnmanagedType.U2)] ushort csid, [In, MarshalAs(UnmanagedType.U1)] OCI.CHARSETFORM csfrm, [In, MarshalAs(UnmanagedType.U1)] OCI.LOB_TYPE lobtype, int cache, [In, MarshalAs(UnmanagedType.U2)] OCI.DURATION duration)
 {
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCILobCreateTemporary|ADV|OCI> svchp=0x%-07Ix errhp=0x%-07Ix locp=0x%-07Ix csid=%d csfrm=%d{OCI.CHARSETFORM} lobtype=%d{OCI.LOB_TYPE} cache=%d duration=%d{OCI.DURATION}\n", OciHandle.HandleValueToTrace(svchp), OciHandle.HandleValueToTrace(errhp), OciHandle.HandleValueToTrace(locp), csid, (int) csfrm, (int) lobtype, cache, (int) duration);
     }
     int num = System.Data.Common.UnsafeNativeMethods.OCILobCreateTemporary(svchp, errhp, locp, csid, csfrm, lobtype, cache, duration);
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCILobCreateTemporary|ADV|OCI|RET> rc=%d\n", num);
     }
     return num;
 }

 internal static int OCITransRollback(OciHandle srvhp, OciHandle errhp, OCI.MODE mode)
 {
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCITransRollback|ADV|OCI>         srvhp=0x%-07Ix errhp=0x%-07Ix mode=0x%x{OCI.MODE}\n", OciHandle.HandleValueToTrace(srvhp), OciHandle.HandleValueToTrace(errhp), (int) mode);
     }
     int num = System.Data.Common.UnsafeNativeMethods.OCITransRollback(srvhp, errhp, mode);
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCITransRollback|ADV|OCI|RET>      rc=%d\n", num);
     }
     return num;
 }

 internal static int OCIStmtFetch(OciHandle stmtp, OciHandle errhp, int nrows, OCI.FETCH orientation, OCI.MODE mode)
 {
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCIStmtFetch|ADV|OCI>            stmtp=0x%-07Ix errhp=0x%-07Ix nrows=%d orientation=%d{OCI.FETCH}, mode=0x%x{OCI.MODE}\n", stmtp, errhp, nrows, (int) orientation, (int) mode);
     }
     int num = System.Data.Common.UnsafeNativeMethods.OCIStmtFetch(stmtp, errhp, (uint) nrows, orientation, mode);
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCIStmtFetch|ADV|OCI|RET>        rc=%d\n", num);
     }
     return num;
 }

 internal static int OCILobLoadFromFile(OciHandle svchp, OciHandle errhp, OciHandle dst_locp, OciHandle src_locp, uint amount, uint dst_offset, uint src_offset)
 {
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCILobLoadFromFile|ADV|OCI> svchp=0x%-07Ix errhp=0x%-07Ix dst_locp=0x%-07Ix src_locp=0x%-07Ix amount=%u dst_offset=%u src_offset=%u\n", OciHandle.HandleValueToTrace(svchp), OciHandle.HandleValueToTrace(errhp), OciHandle.HandleValueToTrace(dst_locp), OciHandle.HandleValueToTrace(src_locp), amount, dst_offset, src_offset);
     }
     int num = System.Data.Common.UnsafeNativeMethods.OCILobLoadFromFile(svchp, errhp, dst_locp, src_locp, amount, dst_offset, src_offset);
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCILobLoadFromFile|ADV|OCI|RET> rc=%d\n", num);
     }
     return num;
 }

 internal static int OCILobOpen(OciHandle svchp, OciHandle errhp, OciHandle locp, byte mode)
 {
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCILobOpen|ADV|OCI> svchp=0x%-07Ix errhp=0x%-07Ix locp=0x%-07Ix mode=%d\n", OciHandle.HandleValueToTrace(svchp), OciHandle.HandleValueToTrace(errhp), OciHandle.HandleValueToTrace(locp), (int) mode);
     }
     int num = System.Data.Common.UnsafeNativeMethods.OCILobOpen(svchp, errhp, locp, mode);
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCILobOpen|ADV|OCI|RET> rc=%d\n", num);
     }
     return num;
 }

 internal static int OCILobIsTemporary(OciHandle envhp, OciHandle errhp, OciHandle locp, out int flag)
 {
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCILobIsTemporary|ADV|OCI> envhp=0x%-07Ix errhp=0x%-07Ix locp=%Id\n", OciHandle.HandleValueToTrace(envhp), OciHandle.HandleValueToTrace(errhp), OciHandle.HandleValueToTrace(locp));
     }
     int num = System.Data.Common.UnsafeNativeMethods.OCILobIsTemporary(envhp, errhp, locp, out flag);
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCILobIsTemporary|ADV|OCI|RET> flag=%d, rc=%d\n", flag, num);
     }
     return num;
 }

 internal static int OCILobGetLength(OciHandle svchp, OciHandle errhp, OciHandle locp, out uint lenp)
 {
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCILobGetLength|ADV|OCI> svchp=0x%-07Ix errhp=0x%-07Ix locp=%Id\n", OciHandle.HandleValueToTrace(svchp), OciHandle.HandleValueToTrace(errhp), OciHandle.HandleValueToTrace(locp));
     }
     int num = System.Data.Common.UnsafeNativeMethods.OCILobGetLength(svchp, errhp, locp, out lenp);
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<oc.OCILobGetLength|ADV|OCI|RET> len=%u, rc=%d\n", lenp, num);
     }
     return num;
 }