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/*---------------------------------------------------------------
* Copyright (c) 2021
* Broadcom Corporation
* All Rights Reserved.
*---------------------------------------------------------------
* 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:
*
*
* Redistributions of source code must retain the above
* copyright notice, this list of conditions and
* the following disclaimers.
*
*
* Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimers in the documentation and/or other materials
* provided with the distribution.
*
*
* Neither the name of Broadcom Coporation,
* nor the names of its contributors may be used to endorse
* or promote products derived from this Software without
* specific prior written permission.
*
* 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 CONTIBUTORS 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.
* ________________________________________________________________
*
* gettcpinfo.c
* Suppport for tcp info in a portable way
*
* by Robert J. McMahon (rjmcmahon@rjmcmahon.com, bob.mcmahon@broadcom.com)
* -------------------------------------------------------------------
*/
#ifndef GETTCPINFO_H
#define GETTCPINFO_H
#include "headers.h"
#ifdef __cplusplus
extern "C" {
#endif
struct iperf_tcpstats {
bool isValid;
int rtt;
double connecttime;
#if HAVE_TCP_STATS
int cwnd;
int rttvar;
intmax_t retry;
intmax_t retry_prev;
intmax_t retry_tot;
int mss_negotiated;
#endif
};
#if WIN32
void gettcpinfo(SOCKET sock, struct iperf_tcpstats *sample);
#else
void gettcpinfo(int sock, struct iperf_tcpstats *sample);
#endif
void tcpstats_copy (struct iperf_tcpstats *stats_dst, struct iperf_tcpstats *stats_src);
#ifdef __cplusplus
} /* end extern "C" */
#endif
#endif
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