blpapi_eventdispatcher.h

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/* Copyright 2012. Bloomberg Finance L.P.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:  The above
 * copyright notice and this permission notice shall be included in all copies
 * or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

 
#ifndef INCLUDED_BLPAPI_EVENTDISPATCHER
#define INCLUDED_BLPAPI_EVENTDISPATCHER

 
#ifndef INCLUDED_BLPAPI_DEFS
#include <blpapi_defs.h>
#endif
 
#ifndef INCLUDED_BLPAPI_TYPES
#include <blpapi_types.h>
#endif
 
#include <stddef.h> // for size_t
 
#ifdef __cplusplus
extern "C" {
#endif



BLPAPI_EXPORT
blpapi_EventDispatcher_t *blpapi_EventDispatcher_create(
        size_t numDispatcherThreads);

BLPAPI_EXPORT
void blpapi_EventDispatcher_destroy(blpapi_EventDispatcher_t *handle);

BLPAPI_EXPORT
int blpapi_EventDispatcher_start(blpapi_EventDispatcher_t *handle);

BLPAPI_EXPORT
int blpapi_EventDispatcher_stop(blpapi_EventDispatcher_t *handle, int async);

BLPAPI_EXPORT
int blpapi_EventDispatcher_dispatchEvents(blpapi_EventDispatcher_t *handle);

 
#ifdef __cplusplus
} // extern "C"
 
namespace BloombergLP {
namespace blpapi {

class EventDispatcher {
 
    blpapi_EventDispatcher_t *d_impl_p;
 
  private:
    // NOT IMPLEMENTED
    EventDispatcher(const EventDispatcher&);
    EventDispatcher& operator=(const EventDispatcher&);
 
  public:
    explicit EventDispatcher(size_t numDispatcherThreads = 1);
 
    ~EventDispatcher();
 
    int start();
 
    int stop(bool async = false);

    blpapi_EventDispatcher_t *impl() const;
};

 
// ============================================================================
//                      INLINE AND TEMPLATE FUNCTION IMPLEMENTATIONS
// ============================================================================
 
// ---------------------
// class EventDispatcher
// ---------------------
 
inline EventDispatcher::EventDispatcher(size_t numDispatcherThreads)
    : d_impl_p(blpapi_EventDispatcher_create(numDispatcherThreads))
{
}
 
inline EventDispatcher::~EventDispatcher()
{
    blpapi_EventDispatcher_destroy(d_impl_p);
}
 
inline int EventDispatcher::start()
{
    return blpapi_EventDispatcher_start(d_impl_p);
}
 
inline int EventDispatcher::stop(bool async)
{
    return blpapi_EventDispatcher_stop(d_impl_p, async);
}

inline blpapi_EventDispatcher_t *EventDispatcher::impl() const
{
    return d_impl_p;
}
 
} // close namespace blpapi
} // close namespace BloombergLP
 
#endif // ifdef __cplusplus
 
#endif // #ifndef INCLUDED_BLPAPI_EVENTDISPATCHER