Files
xahaud/modules/beast_vflib/threads/CallQueue.h
Patrick Dehne 08aa415c66 Beast improvements and vflib compatibility module work
* Add CallQueue vflib compatibility class
* Use run instead of run_one
* Merge BindableServiceQueue into CallQueue
* Take BEAST_VARIADIC_MAX into account
* Fix license headers as suggested by Vinnie
* Remove obsolete comment
* Add ManualServiceQueue
* Add ManualServiceQueue to beast_vflib include
* Move static unit test variables of header only classes to module cpp
* Remove no longer used mutex member
* _VARIADIC_MAX maxes out at 10
* Correctly apply BEAST_VARIADIC_MAX
* Merge BindableServiceQueue into CallQueue
* New GuiServiceQueue and its JUCE dependency
* Fix leftover merge errors
* Fix CallQueue unit test
* Don't use bassert for better CI support
2013-11-07 09:42:37 -08:00

383 lines
12 KiB
C++

//------------------------------------------------------------------------------
/*
This file is part of Beast: https://github.com/vinniefalco/Beast
Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
Copyright Patrick Dehne <patrick@mysonicweb.de> (www.sonicweb-radio.de)
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#ifndef BEAST_VFLIB_CALLQUEUE_H_INCLUDED
#define BEAST_VFLIB_CALLQUEUE_H_INCLUDED
#include "beast/Threads.h"
#include "../functor/BindHelper.h"
namespace beast {
template <class Allocator = std::allocator <char> >
class CallQueueType
: public ServiceQueueType <Allocator>
{
public:
explicit CallQueueType (const String& name,
int expectedConcurrency = 1,
Allocator alloc = Allocator())
: ServiceQueueType<Allocator>(expectedConcurrency, alloc)
, m_name (name)
, queue(*this)
, call(*this)
{
}
~CallQueueType ()
{
// Someone forget to close the queue.
bassert (m_closed.isSignaled ());
// Can't destroy queue with unprocessed calls.
bassert (ServiceQueueBase::empty ());
}
void enqueue (ServiceQueueBase::Item* item)
{
// If this goes off someone added calls
// after the queue has been closed.
bassert (!m_closed.isSignaled ());
ServiceQueueType <Allocator>::enqueue (item);
}
/** Close the queue.
Functors may not be added after this routine is called. This is used for
diagnostics, to track down spurious calls during application shutdown
or exit. Derived classes may call this if the appropriate time is known.
The queue is synchronized after it is closed.
Can still have pending calls, just can't put new ones in.
*/
virtual void close ()
{
m_closed.signal ();
ServiceQueueType <Allocator>::stop ();
}
struct BindHelperPost
{
CallQueueType<Allocator>& m_queue;
explicit BindHelperPost (CallQueueType<Allocator>& queue)
: m_queue (queue)
{ }
template <typename F>
void operator() (F const& f) const
{ m_queue.post ( F (f) ); }
};
struct BindHelperDispatch
{
CallQueueType<Allocator>& m_queue;
explicit BindHelperDispatch (CallQueueType<Allocator>& queue)
: m_queue (queue)
{ }
template <typename F>
void operator() (F const& f) const
{ m_queue.dispatch ( F (f) ); }
};
BindHelper <BindHelperPost> const queue;
BindHelper <BindHelperDispatch> const call;
private:
String m_name;
AtomicFlag m_closed;
};
typedef CallQueueType <std::allocator <char> > CallQueue;
namespace detail
{
//------------------------------------------------------------------------------
class CallQueueTests
: public UnitTest
{
public:
struct CallTracker
{
CallQueueTests *unitTest;
int c0, c1, c2, c3, c4, c5, c6, c7, c8;
int q0, q1, q2, q3, q4, q5, q6, q7, q8;
CallTracker(CallQueueTests *parent)
: unitTest(parent)
, c0(0), c1(0), c2(0), c3(0), c4(0), c5(0), c6(0), c7(0), c8(0)
, q0(0), q1(0), q2(0), q3(0), q4(0), q5(0), q6(0), q7(0), q8(0)
{
}
void doQ0() { q0++; }
void doQ1(const String& p1)
{
unitTest->expect(p1 == "p1");
q1++;
}
void doQ2(const String& p1, const String& p2)
{
unitTest->expect(p1 == "p1");
unitTest->expect(p2 == "p2");
q2++;
}
void doQ3(const String& p1, const String& p2, const String& p3)
{
unitTest->expect(p1 == "p1");
unitTest->expect(p2 == "p2");
unitTest->expect(p3 == "p3");
q3++;
}
void doQ4(const String& p1, const String& p2, const String& p3, const String& p4)
{
unitTest->expect(p1 == "p1");
unitTest->expect(p2 == "p2");
unitTest->expect(p3 == "p3");
unitTest->expect(p4 == "p4");
q4++;
}
void doQ5(const String& p1, const String& p2, const String& p3, const String& p4, const String& p5)
{
unitTest->expect(p1 == "p1");
unitTest->expect(p2 == "p2");
unitTest->expect(p3 == "p3");
unitTest->expect(p4 == "p4");
unitTest->expect(p5 == "p5");
q5++;
}
void doQ6(const String& p1, const String& p2, const String& p3, const String& p4, const String& p5, const String& p6)
{
unitTest->expect(p1 == "p1");
unitTest->expect(p2 == "p2");
unitTest->expect(p3 == "p3");
unitTest->expect(p4 == "p4");
unitTest->expect(p5 == "p5");
unitTest->expect(p6 == "p6");
q6++;
}
void doQ7(const String& p1, const String& p2, const String& p3, const String& p4, const String& p5, const String& p6, const String& p7)
{
unitTest->expect(p1 == "p1");
unitTest->expect(p2 == "p2");
unitTest->expect(p3 == "p3");
unitTest->expect(p4 == "p4");
unitTest->expect(p5 == "p5");
unitTest->expect(p6 == "p6");
unitTest->expect(p7 == "p7");
q7++;
}
void doQ8(const String& p1, const String& p2, const String& p3, const String& p4, const String& p5, const String& p6, const String& p7, const String& p8)
{
unitTest->expect(p1 == "p1");
unitTest->expect(p2 == "p2");
unitTest->expect(p3 == "p3");
unitTest->expect(p4 == "p4");
unitTest->expect(p5 == "p5");
unitTest->expect(p6 == "p6");
unitTest->expect(p7 == "p7");
unitTest->expect(p8 == "p8");
q8++;
}
void doC0() { c0++; }
void doC1(const String& p1)
{
unitTest->expect(p1 == "p1");
c1++;
}
void doC2(const String& p1, const String& p2)
{
unitTest->expect(p1 == "p1");
unitTest->expect(p2 == "p2");
c2++;
}
void doC3(const String& p1, const String& p2, const String& p3)
{
unitTest->expect(p1 == "p1");
unitTest->expect(p2 == "p2");
unitTest->expect(p3 == "p3");
c3++;
}
void doC4(const String& p1, const String& p2, const String& p3, const String& p4)
{
unitTest->expect(p1 == "p1");
unitTest->expect(p2 == "p2");
unitTest->expect(p3 == "p3");
unitTest->expect(p4 == "p4");
c4++;
}
void doC5(const String& p1, const String& p2, const String& p3, const String& p4, const String& p5)
{
unitTest->expect(p1 == "p1");
unitTest->expect(p2 == "p2");
unitTest->expect(p3 == "p3");
unitTest->expect(p4 == "p4");
unitTest->expect(p5 == "p5");
c5++;
}
void doC6(const String& p1, const String& p2, const String& p3, const String& p4, const String& p5, const String& p6)
{
unitTest->expect(p1 == "p1");
unitTest->expect(p2 == "p2");
unitTest->expect(p3 == "p3");
unitTest->expect(p4 == "p4");
unitTest->expect(p5 == "p5");
unitTest->expect(p6 == "p6");
c6++;
}
void doC7(const String& p1, const String& p2, const String& p3, const String& p4, const String& p5, const String& p6, const String& p7)
{
unitTest->expect(p1 == "p1");
unitTest->expect(p2 == "p2");
unitTest->expect(p3 == "p3");
unitTest->expect(p4 == "p4");
unitTest->expect(p5 == "p5");
unitTest->expect(p6 == "p6");
unitTest->expect(p7 == "p7");
c7++;
}
void doC8(const String& p1, const String& p2, const String& p3, const String& p4, const String& p5, const String& p6, const String& p7, const String& p8)
{
unitTest->expect(p1 == "p1");
unitTest->expect(p2 == "p2");
unitTest->expect(p3 == "p3");
unitTest->expect(p4 == "p4");
unitTest->expect(p5 == "p5");
unitTest->expect(p6 == "p6");
unitTest->expect(p7 == "p7");
unitTest->expect(p8 == "p8");
c8++;
}
};
CallTracker m_callTracker;
void testArities ()
{
beginTestCase("Arities");
int calls = 0;
#if BEAST_VARIADIC_MAX >= 2
m_queue.queue(&CallTracker::doQ0, &m_callTracker); calls++;
m_queue.queue(&CallTracker::doC0, &m_callTracker); calls++;
#endif
#if BEAST_VARIADIC_MAX >= 3
m_queue.queue(&CallTracker::doQ1, &m_callTracker, "p1"); calls++;
m_queue.queue(&CallTracker::doC1, &m_callTracker, "p1"); calls++;
#endif
#if BEAST_VARIADIC_MAX >= 4
m_queue.queue(&CallTracker::doQ2, &m_callTracker, "p1", "p2"); calls++;
m_queue.queue(&CallTracker::doC2, &m_callTracker, "p1", "p2"); calls++;
#endif
#if BEAST_VARIADIC_MAX >= 5
m_queue.queue(&CallTracker::doQ3, &m_callTracker, "p1", "p2", "p3"); calls++;
m_queue.queue(&CallTracker::doC3, &m_callTracker, "p1", "p2", "p3"); calls++;
#endif
#if BEAST_VARIADIC_MAX >= 6
m_queue.queue(&CallTracker::doQ4, &m_callTracker, "p1", "p2", "p3", "p4"); calls++;
m_queue.queue(&CallTracker::doC4, &m_callTracker, "p1", "p2", "p3", "p4"); calls++;
#endif
#if BEAST_VARIADIC_MAX >= 7
m_queue.queue(&CallTracker::doQ5, &m_callTracker, "p1", "p2", "p3", "p4", "p5"); calls++;
m_queue.queue(&CallTracker::doC5, &m_callTracker, "p1", "p2", "p3", "p4", "p5"); calls++;
#endif
#if BEAST_VARIADIC_MAX >= 8
m_queue.queue(&CallTracker::doQ6, &m_callTracker, "p1", "p2", "p3", "p4", "p5", "p6"); calls++;
m_queue.queue(&CallTracker::doC6, &m_callTracker, "p1", "p2", "p3", "p4", "p5", "p6"); calls++;
#endif
#if BEAST_VARIADIC_MAX >= 9
m_queue.queue(&CallTracker::doQ7, &m_callTracker, "p1", "p2", "p3", "p4", "p5", "p6", "p7"); calls++;
m_queue.queue(&CallTracker::doC7, &m_callTracker, "p1", "p2", "p3", "p4", "p5", "p6", "p7"); calls++;
#endif
#if BEAST_VARIADIC_MAX >= 10
m_queue.queue(&CallTracker::doQ8, &m_callTracker, "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8"); calls++;
m_queue.queue(&CallTracker::doC8, &m_callTracker, "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8"); calls++;
#endif
std::size_t performedCalls = m_queue.poll();
m_queue.close();
expect (performedCalls == calls);
expect (m_callTracker.c0 == 1);
expect (m_callTracker.c1 == 1);
expect (m_callTracker.c2 == 1);
expect (m_callTracker.c3 == 1);
expect (m_callTracker.c4 == 1);
expect (m_callTracker.c5 == 1);
expect (m_callTracker.q0 == 1);
expect (m_callTracker.q1 == 1);
expect (m_callTracker.q2 == 1);
expect (m_callTracker.q3 == 1);
expect (m_callTracker.q4 == 1);
expect (m_callTracker.q5 == 1);
}
void runTest()
{
testArities();
}
CallQueueTests ()
: UnitTest ("CallQueue", "beast")
, m_queue("CallQueue Test Queue")
, m_callTracker(this)
{
}
CallQueue m_queue;
};
}
}
#endif