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state_transfer_manager_pending.h
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state_transfer_manager_pending.h
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// Copyright (c) 2012, Cornell University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of HyperDex nor the names of its contributors may be
// used to endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
#ifndef hyperdex_daemon_state_transfer_manager_pending_h_
#define hyperdex_daemon_state_transfer_manager_pending_h_
// HyperDex
#include "daemon/datalayer.h"
#include "daemon/state_transfer_manager.h"
class hyperdex::state_transfer_manager::pending
{
public:
pending();
~pending() throw ();
public:
uint64_t seq_no;
bool has_value;
uint64_t version;
e::slice key;
std::vector<e::slice> value;
bool acked;
std::auto_ptr<e::buffer> msg;
std::string kref;
datalayer::reference vref;
private:
friend class e::intrusive_ptr<pending>;
private:
void inc() { ++m_ref; }
void dec() { --m_ref; if (m_ref == 0) delete this; }
private:
size_t m_ref;
};
#endif // hyperdex_daemon_state_transfer_manager_pending_h_