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Diffstat (limited to 'qpid/cpp/src/qpid/linearstore/TxnCtxt.h')
-rw-r--r-- | qpid/cpp/src/qpid/linearstore/TxnCtxt.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/linearstore/TxnCtxt.h b/qpid/cpp/src/qpid/linearstore/TxnCtxt.h new file mode 100644 index 0000000000..764063a615 --- /dev/null +++ b/qpid/cpp/src/qpid/linearstore/TxnCtxt.h @@ -0,0 +1,115 @@ +/* + * + * 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. + * + */ + +#ifndef QPID_LINEARSTORE_TXNCTXT_H +#define QPID_LINEARSTORE_TXNCTXT_H + +#include <boost/intrusive_ptr.hpp> +#include "qpid/broker/TransactionalStore.h" +#include "qpid/linearstore/IdSequence.h" +#include "qpid/sys/uuid.h" + +class DbEnv; +class DbTxn; + +namespace qpid { +namespace broker { + class ExternalQueueStore; +} +namespace linearstore{ + class DataTokenImpl; + class JournalImpl; + +class TxnCtxt : public qpid::broker::TransactionContext +{ + protected: + static qpid::sys::Mutex globalSerialiser; + + static sys::uuid_t uuid; + static IdSequence uuidSeq; + static bool staticInit; + static bool setUuid(); + + typedef std::set<qpid::broker::ExternalQueueStore*> ipqdef; + typedef ipqdef::iterator ipqItr; + typedef std::auto_ptr<qpid::sys::Mutex::ScopedLock> AutoScopedLock; + + ipqdef impactedQueues; // list of Queues used in the txn + IdSequence* loggedtx; + boost::intrusive_ptr<DataTokenImpl> dtokp; + AutoScopedLock globalHolder; + JournalImpl* preparedXidStorePtr; + + /** + * local txn id, if non XA. + */ + std::string tid; + DbTxn* txn; + + virtual void completeTxn(bool commit); + void commitTxn(JournalImpl* jc, bool commit); + void jrnl_flush(JournalImpl* jc); + void jrnl_sync(JournalImpl* jc, timespec* timeout); + + public: + TxnCtxt(IdSequence* _loggedtx=NULL); + TxnCtxt(std::string _tid, IdSequence* _loggedtx); + virtual ~TxnCtxt(); + + /** + * Call to make sure all the data for this txn is written to safe store + * + *@return if the data successfully synced. + */ + void sync(); + void begin(DbEnv* env, bool sync = false); + void commit(); + void abort(); + DbTxn* get(); + virtual bool isTPC(); + virtual const std::string& getXid(); + + void addXidRecord(qpid::broker::ExternalQueueStore* queue); + inline void prepare(JournalImpl* _preparedXidStorePtr) { preparedXidStorePtr = _preparedXidStorePtr; } + void complete(bool commit); + bool impactedQueuesEmpty(); + DataTokenImpl* getDtok(); + void incrDtokRef(); + void recoverDtok(const uint64_t rid, const std::string xid); +}; + + +class TPCTxnCtxt : public TxnCtxt, public qpid::broker::TPCTransactionContext +{ + protected: + const std::string xid; + + public: + TPCTxnCtxt(const std::string& _xid, IdSequence* _loggedtx); + inline virtual bool isTPC() { return true; } + inline virtual const std::string& getXid() { return xid; } +}; + +}} + +#endif // ifndef QPID_LINEARSTORE_TXNCTXT_H + + |