diff options
Diffstat (limited to 'qpid/cpp/src/qpid/store/ms-sql/DatabaseConnection.cpp')
-rw-r--r-- | qpid/cpp/src/qpid/store/ms-sql/DatabaseConnection.cpp | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/store/ms-sql/DatabaseConnection.cpp b/qpid/cpp/src/qpid/store/ms-sql/DatabaseConnection.cpp new file mode 100644 index 0000000000..3219ea526a --- /dev/null +++ b/qpid/cpp/src/qpid/store/ms-sql/DatabaseConnection.cpp @@ -0,0 +1,91 @@ +/* + * + * 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. + * + */ + +#include "DatabaseConnection.h" +#include "Exception.h" +#include <comdef.h> +namespace { +inline void TESTHR(HRESULT x) {if FAILED(x) _com_issue_error(x);}; +} + +namespace qpid { +namespace store { +namespace ms_sql { + +DatabaseConnection::DatabaseConnection() : conn(0) +{ +} + +DatabaseConnection::~DatabaseConnection() +{ + close(); +} + +void +DatabaseConnection::open(const std::string& connectString, + const std::string& dbName) +{ + if (conn && conn->State == adStateOpen) + return; + std::string adoConnect = "Provider=SQLOLEDB;" + connectString; + try { + TESTHR(conn.CreateInstance(__uuidof(Connection))); + conn->ConnectionString = adoConnect.c_str(); + conn->Open("", "", "", adConnectUnspecified); + if (dbName.length() > 0) + conn->DefaultDatabase = dbName.c_str(); + } + catch(_com_error &e) { + close(); + throw ADOException("MSSQL can't open " + dbName + " at " + adoConnect, e); + } +} + +void +DatabaseConnection::close() +{ + if (conn && conn->State == adStateOpen) + conn->Close(); + conn = 0; +} + +std::string +DatabaseConnection::getErrors() +{ + long errCount = conn->Errors->Count; + if (errCount <= 0) + return ""; + // Collection ranges from 0 to nCount -1. + std::ostringstream messages; + ErrorPtr pErr = NULL; + for (long i = 0 ; i < errCount ; i++ ) { + if (i > 0) + messages << "\n"; + messages << "[" << i << "] "; + pErr = conn->Errors->GetItem(i); + messages << "Error " << pErr->Number << ": " + << (LPCSTR)pErr->Description; + } + messages << std::ends; + return messages.str(); +} + +}}} // namespace qpid::store::ms_sql |