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#ifndef BOOST_THREAD_CONCURRENT_QUEUES_SYNC_DEQUE_HPP
#define BOOST_THREAD_CONCURRENT_QUEUES_SYNC_DEQUE_HPP
//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Vicente J. Botet Escriba 2013-2014. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/thread for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#include <boost/thread/detail/config.hpp>
#include <boost/thread/concurrent_queues/detail/sync_queue_base.hpp>
#include <boost/thread/concurrent_queues/queue_op_status.hpp>
#include <boost/thread/condition_variable.hpp>
#include <boost/thread/csbl/devector.hpp>
#include <boost/thread/detail/move.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/throw_exception.hpp>
#include <boost/smart_ptr/shared_ptr.hpp>
#include <boost/smart_ptr/make_shared.hpp>
#include <boost/config/abi_prefix.hpp>
namespace boost
{
namespace concurrent
{
template <class ValueType, class Container = csbl::devector<ValueType> >
class sync_deque
: public detail::sync_queue_base<ValueType, Container >
{
typedef detail::sync_queue_base<ValueType, Container > super;
public:
typedef ValueType value_type;
//typedef typename super::value_type value_type; // fixme
typedef typename super::underlying_queue_type underlying_queue_type;
typedef typename super::size_type size_type;
typedef typename super::op_status op_status;
// Constructors/Assignment/Destructors
BOOST_THREAD_NO_COPYABLE(sync_deque)
inline sync_deque();
//template <typename Range>
//inline explicit sync_deque(Range range);
inline ~sync_deque();
// Modifiers
inline void push_back(const value_type& x);
inline queue_op_status try_push_back(const value_type& x);
inline queue_op_status nonblocking_push_back(const value_type& x);
inline queue_op_status wait_push_back(const value_type& x);
inline void push_back(BOOST_THREAD_RV_REF(value_type) x);
inline queue_op_status try_push_back(BOOST_THREAD_RV_REF(value_type) x);
inline queue_op_status nonblocking_push_back(BOOST_THREAD_RV_REF(value_type) x);
inline queue_op_status wait_push_back(BOOST_THREAD_RV_REF(value_type) x);
// Observers/Modifiers
inline void pull_front(value_type&);
// enable_if is_nothrow_copy_movable<value_type>
inline value_type pull_front();
inline queue_op_status try_pull_front(value_type&);
inline queue_op_status nonblocking_pull_front(value_type&);
inline queue_op_status wait_pull_front(ValueType& elem);
private:
inline queue_op_status try_pull_front(value_type& x, unique_lock<mutex>& lk);
inline queue_op_status wait_pull_front(value_type& x, unique_lock<mutex>& lk);
inline queue_op_status try_push_back(const value_type& x, unique_lock<mutex>& lk);
inline queue_op_status wait_push_back(const value_type& x, unique_lock<mutex>& lk);
inline queue_op_status try_push_back(BOOST_THREAD_RV_REF(value_type) x, unique_lock<mutex>& lk);
inline queue_op_status wait_push_back(BOOST_THREAD_RV_REF(value_type) x, unique_lock<mutex>& lk);
inline void pull_front(value_type& elem, unique_lock<mutex>& )
{
elem = boost::move(super::data_.front());
super::data_.pop_front();
}
inline value_type pull_front(unique_lock<mutex>& )
{
value_type e = boost::move(super::data_.front());
super::data_.pop_front();
return boost::move(e);
}
inline void push_back(const value_type& elem, unique_lock<mutex>& lk)
{
super::data_.push_back(elem);
super::notify_not_empty_if_needed(lk);
}
inline void push_back(BOOST_THREAD_RV_REF(value_type) elem, unique_lock<mutex>& lk)
{
super::data_.push_back(boost::move(elem));
super::notify_not_empty_if_needed(lk);
}
};
template <class ValueType, class Container>
sync_deque<ValueType, Container>::sync_deque() :
super()
{
}
// template <class ValueType, class Container>
// template <class Range>
// explicit sync_deque<ValueType, Container>::sync_deque(Range range) :
// data_(), closed_(false)
// {
// try
// {
// typedef typename Range::iterator iterator_t;
// iterator_t first = boost::begin(range);
// iterator_t end = boost::end(range);
// for (iterator_t cur = first; cur != end; ++cur)
// {
// data_.push(boost::move(*cur));;
// }
// notify_not_empty_if_needed(lk);
// }
// catch (...)
// {
// delete[] data_;
// }
// }
template <class ValueType, class Container>
sync_deque<ValueType, Container>::~sync_deque()
{
}
template <class ValueType, class Container>
queue_op_status sync_deque<ValueType, Container>::try_pull_front(ValueType& elem, unique_lock<mutex>& lk)
{
if (super::empty(lk))
{
if (super::closed(lk)) return queue_op_status::closed;
return queue_op_status::empty;
}
pull_front(elem, lk);
return queue_op_status::success;
}
template <class ValueType, class Container>
queue_op_status sync_deque<ValueType, Container>::wait_pull_front(ValueType& elem, unique_lock<mutex>& lk)
{
if (super::empty(lk))
{
if (super::closed(lk)) return queue_op_status::closed;
}
bool has_been_closed = super::wait_until_not_empty_or_closed(lk);
if (has_been_closed) return queue_op_status::closed;
pull_front(elem, lk);
return queue_op_status::success;
}
template <class ValueType, class Container>
queue_op_status sync_deque<ValueType, Container>::try_pull_front(ValueType& elem)
{
unique_lock<mutex> lk(super::mtx_);
return try_pull_front(elem, lk);
}
template <class ValueType, class Container>
queue_op_status sync_deque<ValueType, Container>::wait_pull_front(ValueType& elem)
{
unique_lock<mutex> lk(super::mtx_);
return wait_pull_front(elem, lk);
}
template <class ValueType, class Container>
queue_op_status sync_deque<ValueType, Container>::nonblocking_pull_front(ValueType& elem)
{
unique_lock<mutex> lk(super::mtx_, try_to_lock);
if (!lk.owns_lock())
{
return queue_op_status::busy;
}
return try_pull_front(elem, lk);
}
template <class ValueType, class Container>
void sync_deque<ValueType, Container>::pull_front(ValueType& elem)
{
unique_lock<mutex> lk(super::mtx_);
super::wait_until_not_empty(lk);
pull_front(elem, lk);
}
// enable if ValueType is nothrow movable
template <class ValueType, class Container>
ValueType sync_deque<ValueType, Container>::pull_front()
{
unique_lock<mutex> lk(super::mtx_);
super::wait_until_not_empty(lk);
return pull_front(lk);
}
template <class ValueType, class Container>
queue_op_status sync_deque<ValueType, Container>::try_push_back(const ValueType& elem, unique_lock<mutex>& lk)
{
if (super::closed(lk)) return queue_op_status::closed;
push_back(elem, lk);
return queue_op_status::success;
}
template <class ValueType, class Container>
queue_op_status sync_deque<ValueType, Container>::try_push_back(const ValueType& elem)
{
unique_lock<mutex> lk(super::mtx_);
return try_push_back(elem, lk);
}
template <class ValueType, class Container>
queue_op_status sync_deque<ValueType, Container>::wait_push_back(const ValueType& elem, unique_lock<mutex>& lk)
{
if (super::closed(lk)) return queue_op_status::closed;
push_back(elem, lk);
return queue_op_status::success;
}
template <class ValueType, class Container>
queue_op_status sync_deque<ValueType, Container>::wait_push_back(const ValueType& elem)
{
unique_lock<mutex> lk(super::mtx_);
return wait_push_back(elem, lk);
}
template <class ValueType, class Container>
queue_op_status sync_deque<ValueType, Container>::nonblocking_push_back(const ValueType& elem)
{
unique_lock<mutex> lk(super::mtx_, try_to_lock);
if (!lk.owns_lock()) return queue_op_status::busy;
return try_push_back(elem, lk);
}
template <class ValueType, class Container>
void sync_deque<ValueType, Container>::push_back(const ValueType& elem)
{
unique_lock<mutex> lk(super::mtx_);
super::throw_if_closed(lk);
push_back(elem, lk);
}
template <class ValueType, class Container>
queue_op_status sync_deque<ValueType, Container>::try_push_back(BOOST_THREAD_RV_REF(ValueType) elem, unique_lock<mutex>& lk)
{
if (super::closed(lk)) return queue_op_status::closed;
push_back(boost::move(elem), lk);
return queue_op_status::success;
}
template <class ValueType, class Container>
queue_op_status sync_deque<ValueType, Container>::try_push_back(BOOST_THREAD_RV_REF(ValueType) elem)
{
unique_lock<mutex> lk(super::mtx_);
return try_push_back(boost::move(elem), lk);
}
template <class ValueType, class Container>
queue_op_status sync_deque<ValueType, Container>::wait_push_back(BOOST_THREAD_RV_REF(ValueType) elem, unique_lock<mutex>& lk)
{
if (super::closed(lk)) return queue_op_status::closed;
push_back(boost::move(elem), lk);
return queue_op_status::success;
}
template <class ValueType, class Container>
queue_op_status sync_deque<ValueType, Container>::wait_push_back(BOOST_THREAD_RV_REF(ValueType) elem)
{
unique_lock<mutex> lk(super::mtx_);
return wait_push_back(boost::move(elem), lk);
}
template <class ValueType, class Container>
queue_op_status sync_deque<ValueType, Container>::nonblocking_push_back(BOOST_THREAD_RV_REF(ValueType) elem)
{
unique_lock<mutex> lk(super::mtx_, try_to_lock);
if (!lk.owns_lock())
{
return queue_op_status::busy;
}
return try_push_back(boost::move(elem), lk);
}
template <class ValueType, class Container>
void sync_deque<ValueType, Container>::push_back(BOOST_THREAD_RV_REF(ValueType) elem)
{
unique_lock<mutex> lk(super::mtx_);
super::throw_if_closed(lk);
push_back(boost::move(elem), lk);
}
template <class ValueType, class Container>
sync_deque<ValueType, Container>& operator<<(sync_deque<ValueType, Container>& sbq, BOOST_THREAD_RV_REF(ValueType) elem)
{
sbq.push_back(boost::move(elem));
return sbq;
}
template <class ValueType, class Container>
sync_deque<ValueType, Container>& operator<<(sync_deque<ValueType, Container>& sbq, ValueType const&elem)
{
sbq.push_back(elem);
return sbq;
}
template <class ValueType, class Container>
sync_deque<ValueType, Container>& operator>>(sync_deque<ValueType, Container>& sbq, ValueType &elem)
{
sbq.pull_front(elem);
return sbq;
}
}
using concurrent::sync_deque;
}
#include <boost/config/abi_suffix.hpp>
#endif
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