Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / DataOracleClient / System / Data / OracleClient / OracleException.cs / 4 / OracleException.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// [....]
//-----------------------------------------------------------------------------
namespace System.Data.OracleClient
{
using System;
using System.Data;
using System.Data.Common;
using System.Diagnostics;
using System.IO;
using System.Globalization;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Serialization;
using System.Runtime.ConstrainedExecution;
//---------------------------------------------------------------------
// OracleException
//
// You end up with one of these when an OCI call fails unexpectedly.
//
[Serializable]
sealed public class OracleException : System.Data.Common.DbException {
private int _code;
// runtime will call even if private...
private OracleException(SerializationInfo si, StreamingContext sc) : base(si, sc) {
_code = (int) si.GetValue("code", typeof(int));
HResult = HResults.OracleException;
}
private OracleException(string message, int code) : base(message) {
_code = code;
HResult = HResults.OracleException;
}
public int Code {
get {
return _code;
}
}
static private bool ConnectionIsBroken(int code) {
bool result;
if (12500 <= code && code <= 12699) { // TNS errors
result = true;
}
else {
switch (code) {
case 18: // max sessions exceeded
case 19: // max session licenses exceeded
case 24: // server is in single process mode
case 28: // session has been killed
case 436: // oracle isn't licensed
case 1012: // not logged on.
case 1033: // startup/shutdown in progress
case 1034: // oracle not available
case 1075: // currently logged on
case 2392: // exceeded session limit on CPU usage,you are being logged off.
case 2399: // exceeded maximum connect time, you are being logged off.
case 3113: // end-of-file on communication channel
case 3114: // not connected to ORACLE
result = true;
break;
default:
result = false;
break;
}
}
return result;
}
static internal OracleException CreateException(OciErrorHandle errorHandle, int rc) {
int code;
string message;
using (NativeBuffer buf = new NativeBuffer_Exception(1000)) {
if (null != errorHandle) {
int record = 1;
int rcTemp = TracedNativeMethods.OCIErrorGet(
errorHandle,
record,
out code,
buf
);
if (0 == rcTemp) {
message = errorHandle.PtrToString(buf);
// For warning messages, revert back to the OCI7 routine to get
// the text of the message.
if (code != 0 && message.StartsWith("ORA-00000", StringComparison.Ordinal)) {
rcTemp = TracedNativeMethods.oermsg((short)code, buf);
if (0 == rcTemp) {
message = errorHandle.PtrToString(buf);
}
}
}
else {
Debug.Assert(false, "Failed to get oracle message text");
// If we couldn't successfully read the message text, we pick
// something more descriptive, like "we couldn't read the message"
// instead of just handing back an empty string...
message = Res.GetString(Res.ADP_NoMessageAvailable, rc, rcTemp);
code = 0;
}
// Make sure we doom the connection if its broken.
if (ConnectionIsBroken(code)) {
errorHandle.ConnectionIsBroken = true;
}
}
else {
Debug.Assert(false, "Failed to get oracle message text");
// If we couldn't successfully read the message text, we pick
// something more descriptive, like "we couldn't read the message"
// instead of just handing back an empty string...
message = Res.GetString(Res.ADP_NoMessageAvailable, rc, -1);
code = 0;
}
return new OracleException(message, code);
}
}
static internal OracleException CreateException(int rc, OracleInternalConnection internalConnection) {
int code;
string message;
using (NativeBuffer buf = new NativeBuffer_Exception(1000)) {
int length = buf.Length;
code = 0;
int rcTemp = TracedNativeMethods.OraMTSOCIErrGet(ref code, buf, ref length);
if (1 == rcTemp) {
message = buf.PtrToStringAnsi(0, length);
}
else {
Debug.Assert(false, "Failed to get oracle message text");
// If we couldn't successfully read the message text, we pick
// something more descriptive, like "we couldn't read the message"
// instead of just handing back an empty string...
message = Res.GetString(Res.ADP_NoMessageAvailable, rc, rcTemp);
code = 0;
}
// Make sure we doom the connection if its broken.
if (ConnectionIsBroken(code)) {
internalConnection.DoomThisConnection();
}
return new OracleException(message, code);
}
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
static internal void Check(OciErrorHandle errorHandle, int rc) {
switch ((OCI.RETURNCODE)rc) {
case OCI.RETURNCODE.OCI_ERROR: // -1: Bad programming by the customer.
case OCI.RETURNCODE.OCI_NO_DATA: //100: Bad programming by the customer/expected error.
throw ADP.OracleError(errorHandle, rc);
case OCI.RETURNCODE.OCI_INVALID_HANDLE: // -2: Bad programming on my part.
throw ADP.InvalidOperation(Res.GetString(Res.ADP_InternalError, rc));
default:
if (rc < 0 || rc == (int)OCI.RETURNCODE.OCI_NEED_DATA || rc == (int)OCI.RETURNCODE.OCI_SUCCESS_WITH_INFO)
throw ADP.Simple(Res.GetString(Res.ADP_UnexpectedReturnCode, rc.ToString(CultureInfo.CurrentCulture)));
Debug.Assert(false, "Unexpected return code: " + rc); // shouldn't be here for any reason.
break;
}
}
static internal void Check(int rc, OracleInternalConnection internalConnection) {
if (0 != rc)
throw ADP.OracleError(rc, internalConnection);
}
[System.Security.Permissions.SecurityPermissionAttribute(System.Security.Permissions.SecurityAction.LinkDemand, Flags=System.Security.Permissions.SecurityPermissionFlag.SerializationFormatter)]
override public void GetObjectData(SerializationInfo si, StreamingContext context) {
if (null == si) {
throw new ArgumentNullException("si");
}
si.AddValue("code", _code, typeof(int));
base.GetObjectData(si, context);
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// [....]
//-----------------------------------------------------------------------------
namespace System.Data.OracleClient
{
using System;
using System.Data;
using System.Data.Common;
using System.Diagnostics;
using System.IO;
using System.Globalization;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Serialization;
using System.Runtime.ConstrainedExecution;
//---------------------------------------------------------------------
// OracleException
//
// You end up with one of these when an OCI call fails unexpectedly.
//
[Serializable]
sealed public class OracleException : System.Data.Common.DbException {
private int _code;
// runtime will call even if private...
private OracleException(SerializationInfo si, StreamingContext sc) : base(si, sc) {
_code = (int) si.GetValue("code", typeof(int));
HResult = HResults.OracleException;
}
private OracleException(string message, int code) : base(message) {
_code = code;
HResult = HResults.OracleException;
}
public int Code {
get {
return _code;
}
}
static private bool ConnectionIsBroken(int code) {
bool result;
if (12500 <= code && code <= 12699) { // TNS errors
result = true;
}
else {
switch (code) {
case 18: // max sessions exceeded
case 19: // max session licenses exceeded
case 24: // server is in single process mode
case 28: // session has been killed
case 436: // oracle isn't licensed
case 1012: // not logged on.
case 1033: // startup/shutdown in progress
case 1034: // oracle not available
case 1075: // currently logged on
case 2392: // exceeded session limit on CPU usage,you are being logged off.
case 2399: // exceeded maximum connect time, you are being logged off.
case 3113: // end-of-file on communication channel
case 3114: // not connected to ORACLE
result = true;
break;
default:
result = false;
break;
}
}
return result;
}
static internal OracleException CreateException(OciErrorHandle errorHandle, int rc) {
int code;
string message;
using (NativeBuffer buf = new NativeBuffer_Exception(1000)) {
if (null != errorHandle) {
int record = 1;
int rcTemp = TracedNativeMethods.OCIErrorGet(
errorHandle,
record,
out code,
buf
);
if (0 == rcTemp) {
message = errorHandle.PtrToString(buf);
// For warning messages, revert back to the OCI7 routine to get
// the text of the message.
if (code != 0 && message.StartsWith("ORA-00000", StringComparison.Ordinal)) {
rcTemp = TracedNativeMethods.oermsg((short)code, buf);
if (0 == rcTemp) {
message = errorHandle.PtrToString(buf);
}
}
}
else {
Debug.Assert(false, "Failed to get oracle message text");
// If we couldn't successfully read the message text, we pick
// something more descriptive, like "we couldn't read the message"
// instead of just handing back an empty string...
message = Res.GetString(Res.ADP_NoMessageAvailable, rc, rcTemp);
code = 0;
}
// Make sure we doom the connection if its broken.
if (ConnectionIsBroken(code)) {
errorHandle.ConnectionIsBroken = true;
}
}
else {
Debug.Assert(false, "Failed to get oracle message text");
// If we couldn't successfully read the message text, we pick
// something more descriptive, like "we couldn't read the message"
// instead of just handing back an empty string...
message = Res.GetString(Res.ADP_NoMessageAvailable, rc, -1);
code = 0;
}
return new OracleException(message, code);
}
}
static internal OracleException CreateException(int rc, OracleInternalConnection internalConnection) {
int code;
string message;
using (NativeBuffer buf = new NativeBuffer_Exception(1000)) {
int length = buf.Length;
code = 0;
int rcTemp = TracedNativeMethods.OraMTSOCIErrGet(ref code, buf, ref length);
if (1 == rcTemp) {
message = buf.PtrToStringAnsi(0, length);
}
else {
Debug.Assert(false, "Failed to get oracle message text");
// If we couldn't successfully read the message text, we pick
// something more descriptive, like "we couldn't read the message"
// instead of just handing back an empty string...
message = Res.GetString(Res.ADP_NoMessageAvailable, rc, rcTemp);
code = 0;
}
// Make sure we doom the connection if its broken.
if (ConnectionIsBroken(code)) {
internalConnection.DoomThisConnection();
}
return new OracleException(message, code);
}
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
static internal void Check(OciErrorHandle errorHandle, int rc) {
switch ((OCI.RETURNCODE)rc) {
case OCI.RETURNCODE.OCI_ERROR: // -1: Bad programming by the customer.
case OCI.RETURNCODE.OCI_NO_DATA: //100: Bad programming by the customer/expected error.
throw ADP.OracleError(errorHandle, rc);
case OCI.RETURNCODE.OCI_INVALID_HANDLE: // -2: Bad programming on my part.
throw ADP.InvalidOperation(Res.GetString(Res.ADP_InternalError, rc));
default:
if (rc < 0 || rc == (int)OCI.RETURNCODE.OCI_NEED_DATA || rc == (int)OCI.RETURNCODE.OCI_SUCCESS_WITH_INFO)
throw ADP.Simple(Res.GetString(Res.ADP_UnexpectedReturnCode, rc.ToString(CultureInfo.CurrentCulture)));
Debug.Assert(false, "Unexpected return code: " + rc); // shouldn't be here for any reason.
break;
}
}
static internal void Check(int rc, OracleInternalConnection internalConnection) {
if (0 != rc)
throw ADP.OracleError(rc, internalConnection);
}
[System.Security.Permissions.SecurityPermissionAttribute(System.Security.Permissions.SecurityAction.LinkDemand, Flags=System.Security.Permissions.SecurityPermissionFlag.SerializationFormatter)]
override public void GetObjectData(SerializationInfo si, StreamingContext context) {
if (null == si) {
throw new ArgumentNullException("si");
}
si.AddValue("code", _code, typeof(int));
base.GetObjectData(si, context);
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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