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/*
* Ouroboros - Copyright (C) 2016 - 2021
*
* Flow and FRCT connection control
*
* Dimitri Staessens <dimitri@ouroboros.rocks>
* Sander Vrijders <sander@ouroboros.rocks>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* version 2.1 as published by the Free Software Foundation.
*
* 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., http://www.fsf.org/about/contact/.
*/
#ifndef OUROBOROS_FCCNTL_H
#define OUROBOROS_FCCNTL_H
#include <ouroboros/cdefs.h>
#include <sys/time.h>
/* Flow flags, same values as fcntl.h */
#define FLOWFRDONLY 00000000 /* Read-only flow */
#define FLOWFWRONLY 00000001 /* Write-only flow */
#define FLOWFRDWR 00000002 /* Read-write flow */
#define FLOWFACCMODE 00000003 /* Access mask */
#define FLOWFDOWN 00000004 /* Flow is down */
#define FLOWFRNOBLOCK 00001000 /* Non-blocking read */
#define FLOWFWNOBLOCK 00002000 /* Non-blocking write */
#define FLOWFNONBLOCK (FLOWFRNOBLOCK | FLOWFWNOBLOCK)
#define FLOWFRNOPART 00010000 /* Disable partial reads */
#define FLOWFWNOPART 00020000 /* Disable partial writes */
#define FLOWFDEFAULT (FLOWFRDWR | FLOWFWNOPART)
#define FLOWFINVALID (FLOWFWRONLY | FLOWFRDWR)
/* FRCT flags */
#define FRCTFRTX 00000001 /* Reliable flow */
#define FRCTFRESCNTL 00000002 /* Feedback from receiver */
#define FRCTFLINGER 00000004 /* Send unsent data */
/* Flow operations */
#define FLOWSRCVTIMEO 00000001 /* Set read timeout */
#define FLOWGRCVTIMEO 00000002 /* Get read timeout */
#define FLOWSSNDTIMEO 00000003 /* Set send timeout */
#define FLOWGSNDTIMEO 00000004 /* Get send timeout */
#define FLOWGQOSSPEC 00000005 /* Get qosspec_t */
#define FLOWSFLAGS 00000006 /* Set flags for flow */
#define FLOWGFLAGS 00000007 /* Get flags for flow */
#define FLOWGRXQLEN 00000010 /* Get queue length on rx */
#define FLOWGTXQLEN 00000011 /* Get queue length on tx */
/* FRCT operations */
#define FRCTSFLAGS 00001000 /* Set flags for FRCT */
#define FRCTGFLAGS 00002000 /* Get flags for FRCT */
__BEGIN_DECLS
int fccntl(int fd,
int cmd,
...);
__END_DECLS
#endif /* OUROBOROS_FCCNTL_H */
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