1*5cfb9592Sratchov /* $OpenBSD: aucat.h,v 1.8 2019/07/05 22:53:47 ratchov Exp $ */ 2*5cfb9592Sratchov /* 3*5cfb9592Sratchov * Copyright (c) 2008 Alexandre Ratchov <alex@caoua.org> 4*5cfb9592Sratchov * 5*5cfb9592Sratchov * Permission to use, copy, modify, and distribute this software for any 6*5cfb9592Sratchov * purpose with or without fee is hereby granted, provided that the above 7*5cfb9592Sratchov * copyright notice and this permission notice appear in all copies. 8*5cfb9592Sratchov * 9*5cfb9592Sratchov * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10*5cfb9592Sratchov * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11*5cfb9592Sratchov * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12*5cfb9592Sratchov * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13*5cfb9592Sratchov * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14*5cfb9592Sratchov * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15*5cfb9592Sratchov * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16*5cfb9592Sratchov */ 17*5cfb9592Sratchov 1882bfc72bSratchov #ifndef AUCAT_H 1982bfc72bSratchov #define AUCAT_H 2082bfc72bSratchov 2182bfc72bSratchov #include "amsg.h" 2282bfc72bSratchov 2382bfc72bSratchov struct aucat { 2482bfc72bSratchov int fd; /* socket */ 2582bfc72bSratchov struct amsg rmsg, wmsg; /* temporary messages */ 2682bfc72bSratchov size_t wtodo, rtodo; /* bytes to complete the packet */ 2782bfc72bSratchov #define RSTATE_MSG 0 /* message being received */ 2882bfc72bSratchov #define RSTATE_DATA 1 /* data being received */ 2982bfc72bSratchov unsigned rstate; /* one of above */ 3082bfc72bSratchov #define WSTATE_IDLE 2 /* nothing to do */ 3182bfc72bSratchov #define WSTATE_MSG 3 /* message being transferred */ 3282bfc72bSratchov #define WSTATE_DATA 4 /* data being transferred */ 3382bfc72bSratchov unsigned wstate; /* one of above */ 345ffd5747Sratchov unsigned maxwrite; /* bytes we're allowed to write */ 3582bfc72bSratchov }; 3682bfc72bSratchov 37d418f94bSratchov int _aucat_rmsg(struct aucat *, int *); 38d418f94bSratchov int _aucat_wmsg(struct aucat *, int *); 39d418f94bSratchov size_t _aucat_rdata(struct aucat *, void *, size_t, int *); 40d418f94bSratchov size_t _aucat_wdata(struct aucat *, const void *, size_t, unsigned, int *); 41163486f8Sratchov int _aucat_open(struct aucat *, const char *, unsigned); 42d418f94bSratchov void _aucat_close(struct aucat *, int); 43d418f94bSratchov int _aucat_pollfd(struct aucat *, struct pollfd *, int); 44d418f94bSratchov int _aucat_revents(struct aucat *, struct pollfd *); 45d418f94bSratchov int _aucat_setfl(struct aucat *, int, int *); 4682bfc72bSratchov 4782bfc72bSratchov #endif /* !defined(AUCAT_H) */ 48