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/*
* ng_source.h
*
* Copyright 2002 Sandvine Inc.
* All rights reserved.
*
* Subject to the following obligations and disclaimer of warranty, use and
* redistribution of this software, in source or object code forms, with or
* without modifications are expressly permitted by Sandvine Inc.;
provided,
* however, that:
* 1. Any and all reproductions of the source or object code must include
the
* copyright notice above and the following disclaimer of warranties;
and
* 2. No rights are granted, in any manner or form, to use Sandvine Inc.
* trademarks, including the mark "SANDVINE" on advertising,
endorsements,
* or otherwise except as such appears in the above copyright notice or
in
* the software.
*
* THIS SOFTWARE IS BEING PROVIDED BY SANDVINE "AS IS", AND TO THE MAXIMUM
* EXTENT PERMITTED BY LAW, SANDVINE MAKES NO REPRESENTATIONS OR
WARRANTIES,
* EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, INCLUDING WITHOUT
LIMITATION,
* ANY AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT. SANDVINE DOES NOT WARRANT, GUARANTEE, OR
* MAKE ANY REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE
* USE OF THIS SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY
* OR OTHERWISE. IN NO EVENT SHALL SANDVINE BE LIABLE FOR ANY DAMAGES
* RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
* WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY,
* PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER 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 SANDVINE IS ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* Author: Dave Chapeskie <dchapeskie@sandvine.com>
*
* $FreeBSD$
*/
#ifndef _NETGRAPH_SOURCE_H_
#define _NETGRAPH_SOURCE_H_
/* Node type name and magic cookie */
#define NG_SOURCE_NODE_TYPE "source"
#define NGM_SOURCE_COOKIE 1034346805
/* Hook names */
#define NG_SOURCE_HOOK_INPUT "input"
#define NG_SOURCE_HOOK_OUTPUT "output"
/* Statistics structure returned by NGM_SOURCE_GET_STATS */
struct ng_source_stats {
u_int64_t outOctets;
u_int64_t outFrames;
u_int32_t queueOctets;
u_int32_t queueFrames;
struct timeval startTime;
struct timeval endTime;
struct timeval elapsedTime;
};
extern const struct ng_parse_type ng_source_timeval_type;
/* Keep this in sync with the above structure definition */
#define NG_SOURCE_STATS_TYPE_INFO { \
{ "outOctets", &ng_parse_uint64_type }, \
{ "outFrames", &ng_parse_uint64_type }, \
{ "queueOctets", &ng_parse_uint32_type }, \
{ "queueFrames", &ng_parse_uint32_type }, \
{ "startTime", &ng_source_timeval_type }, \
{ "endTime", &ng_source_timeval_type }, \
{ "elapsedTime", &ng_source_timeval_type }, \
{ NULL } \
}
/* Netgraph commands */
enum {
NGM_SOURCE_GET_STATS = 1, /* get stats */
NGM_SOURCE_CLR_STATS, /* clear stats */
NGM_SOURCE_GETCLR_STATS, /* atomically get and clear stats */
NGM_SOURCE_START, /* start sending queued data */
NGM_SOURCE_STOP, /* stop sending queued data */
NGM_SOURCE_CLR_DATA, /* clear the queued data */
};
#endif /* _NETGRAPH_SOURCE_H_ */
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