| // @@@ START COPYRIGHT @@@ |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| // |
| // @@@ END COPYRIGHT @@@ |
| //
|
| //
|
| #ifndef _WIN32_WINNT
|
| #define _WIN32_WINNT 0x0400
|
| #endif
|
| #include "DrvrGlobal.h"
|
| #include "SQLHandle.h"
|
| #include "CEnv.h"
|
| #include "CConnect.h"
|
| #include "CStmt.h"
|
| #include "CDesc.h"
|
| #include "tdm_odbcDrvMsg.h"
|
|
|
| SQLRETURN ODBC::AllocHandle(SQLSMALLINT HandleType,
|
| SQLHANDLE InputHandle,
|
| SQLHANDLE *OutputHandle)
|
| {
|
| SQLRETURN rc = SQL_SUCCESS;
|
| CEnv* pEnv;
|
| CConnect* pConnect;
|
|
|
| switch (HandleType)
|
| {
|
| case SQL_HANDLE_ENV:
|
| *OutputHandle = new CEnv(InputHandle);
|
| if (*OutputHandle == NULL)
|
| rc = SQL_ERROR;
|
| break;
|
| case SQL_HANDLE_DBC:
|
| pEnv = (CEnv*)InputHandle;
|
| EnterCriticalSection(&pEnv->m_CSObject);
|
| rc = pEnv->AllocHandle(HandleType,InputHandle,OutputHandle);
|
| LeaveCriticalSection(&pEnv->m_CSObject);
|
| break;
|
| case SQL_HANDLE_STMT:
|
| pConnect = (CConnect*)InputHandle;
|
| EnterCriticalSection(&pConnect->m_CSObject);
|
| rc = pConnect->AllocHandle(HandleType,InputHandle,OutputHandle);
|
| LeaveCriticalSection(&pConnect->m_CSObject);
|
| break;
|
| case SQL_HANDLE_DESC:
|
| pConnect = (CConnect*)InputHandle;
|
| EnterCriticalSection(&pConnect->m_CSObject);
|
| rc = pConnect->AllocHandle(HandleType,InputHandle,OutputHandle);
|
| LeaveCriticalSection(&pConnect->m_CSObject);
|
| break;
|
| default:
|
| *OutputHandle = SQL_NULL_HANDLE;
|
| break;
|
| }
|
| return rc;
|
| }
|
|
|
|
|
| SQLRETURN ODBC::FreeHandle(SQLSMALLINT HandleType,
|
| SQLHANDLE Handle)
|
| {
|
| CEnv* pEnv;
|
| CConnect* pConnect;
|
| CStmt* pStmt;
|
| CDesc* pDesc;
|
|
|
| switch (HandleType)
|
| {
|
| case SQL_HANDLE_ENV:
|
| delete (CEnv *)Handle;
|
| break;
|
| case SQL_HANDLE_DBC:
|
| pConnect = (CConnect *)Handle;
|
| pEnv = pConnect->getEnvHandle();
|
| if(TryEnterCriticalSection(&pEnv->m_CSObject))
|
| {
|
| if(pEnv->m_CSObject.RecursionCount > 1)
|
| {
|
| pConnect->setDiagRec(DRIVER_ERROR, IDS_HY_000, 0, "The handle is in use and cannot be freed.");
|
| LeaveCriticalSection(&pEnv->m_CSObject);
|
| return SQL_ERROR;
|
| }
|
| }
|
| else
|
| {
|
| EnterCriticalSection(&pEnv->m_CSObject);
|
| }
|
| delete pConnect;
|
| LeaveCriticalSection(&pEnv->m_CSObject);
|
| break;
|
| case SQL_HANDLE_STMT:
|
| pStmt = (CStmt *)Handle;
|
| pConnect = pStmt->getConnectHandle();
|
| if(TryEnterCriticalSection(&pConnect->m_CSObject))
|
| {
|
| if(pConnect->m_CSObject.RecursionCount > 1)
|
| {
|
| pStmt->setDiagRec(DRIVER_ERROR, IDS_HY_000, 0, "The handle is in use and cannot be freed.");
|
| LeaveCriticalSection(&pConnect->m_CSObject);
|
| return SQL_ERROR;
|
| }
|
| }
|
| else
|
| {
|
| EnterCriticalSection(&pConnect->m_CSObject);
|
| }
|
| delete pStmt;
|
| LeaveCriticalSection(&pConnect->m_CSObject);
|
| break;
|
| case SQL_HANDLE_DESC:
|
| pDesc = (CDesc *)Handle;
|
| pConnect = pDesc->getDescConnect();
|
| if(TryEnterCriticalSection(&pConnect->m_CSObject))
|
| {
|
| if(pConnect->m_CSObject.RecursionCount > 1)
|
| {
|
| pDesc->setDiagRec(DRIVER_ERROR, IDS_HY_000, 0, "The handle is in use and cannot be freed.");
|
| LeaveCriticalSection(&pConnect->m_CSObject);
|
| return SQL_ERROR;
|
| }
|
| }
|
| else
|
| {
|
| EnterCriticalSection(&pConnect->m_CSObject);
|
| }
|
| delete pDesc;
|
| LeaveCriticalSection(&pConnect->m_CSObject);
|
| break;
|
| default:
|
| return SQL_INVALID_HANDLE;
|
| }
|
| return SQL_SUCCESS;
|
|
|
| }
|
|
|
| SQLRETURN ODBC::GetDiagRec(SQLSMALLINT HandleType,
|
| SQLHANDLE Handle,
|
| SQLSMALLINT RecNumber,
|
| SQLWCHAR *Sqlstate,
|
| SQLINTEGER *NativeError,
|
| SQLWCHAR *MessageText,
|
| SQLSMALLINT BufferLength,
|
| SQLSMALLINT *TextLength)
|
| {
|
|
|
| SQLRETURN rc;
|
| DWORD ErrorMsgLang = 0;
|
| CConnect* pConnect;
|
| CStmt* pStmt;
|
| CDesc* pDesc;
|
|
|
| switch (HandleType)
|
| {
|
| case SQL_HANDLE_ENV:
|
| break;
|
| case SQL_HANDLE_DBC:
|
| pConnect = (CConnect*)Handle;
|
| EnterCriticalSection(&pConnect->m_CSObject);
|
| ErrorMsgLang = pConnect->getErrorMsgLang();
|
| break;
|
| case SQL_HANDLE_STMT:
|
| pStmt = (CStmt *)Handle;
|
| pConnect = pStmt->getConnectHandle();
|
| EnterCriticalSection(&pConnect->m_CSObject);
|
| ErrorMsgLang = pStmt->getErrorMsgLang();
|
| break;
|
| case SQL_HANDLE_DESC:
|
| pDesc = (CDesc *)Handle;
|
| pConnect = pDesc->getDescConnect();
|
| EnterCriticalSection(&pConnect->m_CSObject);
|
| ErrorMsgLang = pDesc->getErrorMsgLang();
|
| break;
|
| default:
|
| return SQL_INVALID_HANDLE;
|
| }
|
| __try{
|
| rc = ((CHandle *)Handle)->GetDiagRec(HandleType, Handle,
|
| RecNumber, ErrorMsgLang, Sqlstate, NativeError, MessageText, BufferLength, TextLength);
|
| }
|
| __finally {
|
| switch (HandleType)
|
| {
|
| case SQL_HANDLE_ENV:
|
| break;
|
| case SQL_HANDLE_DBC:
|
| LeaveCriticalSection(&pConnect->m_CSObject);
|
| break;
|
| case SQL_HANDLE_STMT:
|
| LeaveCriticalSection(&pConnect->m_CSObject);
|
| break;
|
| case SQL_HANDLE_DESC:
|
| LeaveCriticalSection(&pConnect->m_CSObject);
|
| break;
|
| }
|
| }
|
| return rc;
|
| }
|
|
|
| SQLRETURN ODBC::GetDiagField(SQLSMALLINT HandleType,
|
| SQLHANDLE Handle,
|
| SQLSMALLINT RecNumber,
|
| SQLSMALLINT DiagIdentifier,
|
| SQLPOINTER DiagInfo,
|
| SQLSMALLINT BufferLength,
|
| SQLSMALLINT *StringLengthPtr)
|
| {
|
| SQLRETURN rc;
|
| DWORD ErrorMsgLang = 0;
|
| CConnect* pConnect;
|
| CStmt* pStmt;
|
| CDesc* pDesc;
|
|
|
| switch (HandleType)
|
| {
|
| case SQL_HANDLE_ENV:
|
| break;
|
| case SQL_HANDLE_DBC:
|
| pConnect = (CConnect*)Handle;
|
| EnterCriticalSection(&pConnect->m_CSObject);
|
| ErrorMsgLang = pConnect->getErrorMsgLang();
|
| break;
|
| case SQL_HANDLE_STMT:
|
| pStmt = (CStmt *)Handle;
|
| pConnect = pStmt->getConnectHandle();
|
| EnterCriticalSection(&pConnect->m_CSObject);
|
| ErrorMsgLang = pStmt->getErrorMsgLang();
|
| break;
|
| case SQL_HANDLE_DESC:
|
| pDesc = (CDesc *)Handle;
|
| pConnect = pDesc->getDescConnect();
|
| EnterCriticalSection(&pConnect->m_CSObject);
|
| ErrorMsgLang = pDesc->getErrorMsgLang();
|
| break;
|
| default:
|
| return SQL_INVALID_HANDLE;
|
| }
|
| __try{
|
| rc = ((CHandle *)Handle)->GetDiagField(HandleType, Handle, RecNumber,
|
| ErrorMsgLang, DiagIdentifier, DiagInfo, BufferLength, StringLengthPtr);
|
| }
|
| __finally {
|
| switch (HandleType)
|
| {
|
| case SQL_HANDLE_ENV:
|
| break;
|
| case SQL_HANDLE_DBC:
|
| LeaveCriticalSection(&pConnect->m_CSObject);
|
| break;
|
| case SQL_HANDLE_STMT:
|
| LeaveCriticalSection(&pConnect->m_CSObject);
|
| break;
|
| case SQL_HANDLE_DESC:
|
| LeaveCriticalSection(&pConnect->m_CSObject);
|
| break;
|
| }
|
| }
|
| return rc;
|
| }
|
|
|
| SQLRETURN ODBC::EndTran(SQLSMALLINT HandleType,
|
| SQLHANDLE Handle,
|
| SQLSMALLINT CompletionType)
|
| {
|
| SQLRETURN rc;
|
| DWORD ErrorMsgLang = 0;
|
| CConnect* pConnect;
|
|
|
| switch (HandleType)
|
| {
|
| case SQL_HANDLE_ENV: // DM implments by sending SQLEndTran for every active connection
|
| rc = SQL_INVALID_HANDLE;
|
| break;
|
| case SQL_HANDLE_DBC:
|
| pConnect = (CConnect*)Handle;
|
| EnterCriticalSection(&pConnect->m_CSObject);
|
| ErrorMsgLang = pConnect->getErrorMsgLang();
|
| rc = pConnect->EndTran(CompletionType);
|
| LeaveCriticalSection(&pConnect->m_CSObject);
|
| break;
|
| default:
|
| return SQL_INVALID_HANDLE;
|
| }
|
| return rc;
|
| }
|
|
|
