diff options
Diffstat (limited to 'qpid/cpp/src/qpid/store/ms-sql/BindingRecordset.cpp')
-rw-r--r-- | qpid/cpp/src/qpid/store/ms-sql/BindingRecordset.cpp | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/store/ms-sql/BindingRecordset.cpp b/qpid/cpp/src/qpid/store/ms-sql/BindingRecordset.cpp new file mode 100644 index 0000000000..1dc4370312 --- /dev/null +++ b/qpid/cpp/src/qpid/store/ms-sql/BindingRecordset.cpp @@ -0,0 +1,165 @@ +/* + * + * 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 <qpid/Exception.h> +#include <qpid/log/Statement.h> + +#include "BindingRecordset.h" +#include "BlobAdapter.h" +#include "BlobEncoder.h" +#include "VariantHelper.h" + +namespace qpid { +namespace store { +namespace ms_sql { + +void +BindingRecordset::removeFilter(const std::string& filter) +{ + rs->PutFilter (VariantHelper<std::string>(filter)); + long recs = rs->GetRecordCount(); + if (recs == 0) + return; // Nothing to do + while (recs > 0) { + // Deleting adAffectAll doesn't work as documented; go one by one. + rs->Delete(adAffectCurrent); + if (--recs > 0) + rs->MoveNext(); + } + rs->Update(); +} + +void +BindingRecordset::add(uint64_t exchangeId, + uint64_t queueId, + const std::string& routingKey, + const qpid::framing::FieldTable& args) +{ + VariantHelper<std::string> routingKeyStr(routingKey); + BlobEncoder blob (args); // Marshall field table to a blob + rs->AddNew(); + rs->Fields->GetItem("exchangeId")->Value = exchangeId; + rs->Fields->GetItem("queueId")->Value = queueId; + rs->Fields->GetItem("routingKey")->Value = routingKeyStr; + rs->Fields->GetItem("fieldTableBlob")->AppendChunk(blob); + rs->Update(); +} + +void +BindingRecordset::remove(uint64_t exchangeId, + uint64_t queueId, + const std::string& routingKey, + const qpid::framing::FieldTable& /*args*/) +{ + // Look up the affected binding. + std::ostringstream filter; + filter << "exchangeId = " << exchangeId + << " AND queueId = " << queueId + << " AND routingKey = '" << routingKey << "'" << std::ends; + removeFilter(filter.str()); +} + +void +BindingRecordset::removeForExchange(uint64_t exchangeId) +{ + // Look up the affected bindings by the exchange ID + std::ostringstream filter; + filter << "exchangeId = " << exchangeId << std::ends; + removeFilter(filter.str()); +} + +void +BindingRecordset::removeForQueue(uint64_t queueId) +{ + // Look up the affected bindings by the queue ID + std::ostringstream filter; + filter << "queueId = " << queueId << std::ends; + removeFilter(filter.str()); +} + +void +BindingRecordset::recover(broker::RecoveryManager& recoverer, + const store::ExchangeMap& exchMap, + const store::QueueMap& queueMap) +{ + if (rs->BOF && rs->EndOfFile) + return; // Nothing to do + rs->MoveFirst(); + Binding b; + IADORecordBinding *piAdoRecordBinding; + rs->QueryInterface(__uuidof(IADORecordBinding), + (LPVOID *)&piAdoRecordBinding); + piAdoRecordBinding->BindToRecordset(&b); + while (!rs->EndOfFile) { + long blobSize = rs->Fields->Item["fieldTableBlob"]->ActualSize; + BlobAdapter blob(blobSize); + blob = rs->Fields->Item["fieldTableBlob"]->GetChunk(blobSize); + store::ExchangeMap::const_iterator exch = exchMap.find(b.exchangeId); + if (exch == exchMap.end()) { + std::ostringstream msg; + msg << "Error recovering bindings; exchange ID " << b.exchangeId + << " not found in exchange map"; + throw qpid::Exception(msg.str()); + } + broker::RecoverableExchange::shared_ptr exchPtr = exch->second; + store::QueueMap::const_iterator q = queueMap.find(b.queueId); + if (q == queueMap.end()) { + std::ostringstream msg; + msg << "Error recovering bindings; queue ID " << b.queueId + << " not found in queue map"; + throw qpid::Exception(msg.str()); + } + broker::RecoverableQueue::shared_ptr qPtr = q->second; + // The recovery manager wants the queue name, so get it from the + // RecoverableQueue. + std::string key(b.routingKey); + exchPtr->bind(qPtr->getName(), key, blob); + rs->MoveNext(); + } + + piAdoRecordBinding->Release(); +} + +void +BindingRecordset::dump() +{ + Recordset::dump(); + if (rs->EndOfFile && rs->BOF) // No records + return; + rs->MoveFirst(); + + Binding b; + IADORecordBinding *piAdoRecordBinding; + rs->QueryInterface(__uuidof(IADORecordBinding), + (LPVOID *)&piAdoRecordBinding); + piAdoRecordBinding->BindToRecordset(&b); + + while (VARIANT_FALSE == rs->EndOfFile) { + QPID_LOG(notice, "exch Id " << b.exchangeId + << ", q Id " << b.queueId + << ", k: " << b.routingKey); + rs->MoveNext(); + } + + piAdoRecordBinding->Release(); +} + +}}} // namespace qpid::store::ms_sql |