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/* vim:ts=8:sts=4:sw=4:noai:noexpandtab
*
* Rate regulation.
*
* Copyright (c) 2006-2009 Miru Limited.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#if !defined (__PGM_IMPL_FRAMEWORK_H_INSIDE__) && !defined (PGM_COMPILATION)
# error "Only <framework.h> can be included directly."
#endif
#ifndef __PGM_IMPL_RATE_CONTROL_H__
#define __PGM_IMPL_RATE_CONTROL_H__
typedef struct pgm_rate_t pgm_rate_t;
#include <pgm/types.h>
#include <pgm/time.h>
#include <impl/thread.h>
PGM_BEGIN_DECLS
struct pgm_rate_t {
ssize_t rate_per_sec;
ssize_t rate_per_msec;
size_t iphdr_len;
ssize_t rate_limit; /* signed for math */
pgm_time_t last_rate_check;
pgm_spinlock_t spinlock;
};
PGM_GNUC_INTERNAL void pgm_rate_create (pgm_rate_t*, const ssize_t, const size_t, const uint16_t);
PGM_GNUC_INTERNAL void pgm_rate_destroy (pgm_rate_t*);
PGM_GNUC_INTERNAL bool pgm_rate_check (pgm_rate_t*, const size_t, const bool);
PGM_GNUC_INTERNAL pgm_time_t pgm_rate_remaining (pgm_rate_t*, const size_t);
PGM_END_DECLS
#endif /* __PGM_IMPL_RATE_CONTROL_H__ */
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