source: lib/fifo.h @ 24e9fed

4.0.1-hotfixescachetimestampsdevelopdpdk-ndagetsilivegetfragoffhelplibtrace4ndag_formatpfringrc-4.0.1rc-4.0.2rc-4.0.3rc-4.0.4ringdecrementfixringperformanceringtimestampfixes
Last change on this file since 24e9fed was a79ddbe, checked in by Daniel Lawson <dlawson@…>, 17 years ago

added license information

  • Property mode set to 100644
File size: 2.1 KB
Line 
1/*
2 * This file is part of libtrace
3 *
4 * Copyright (c) 2004 The University of Waikato, Hamilton, New Zealand.
5 * Authors: Daniel Lawson
6 *          Perry Lorier
7 *         
8 * All rights reserved.
9 *
10 * This code has been developed by the University of Waikato WAND
11 * research group. For further information please see http://www.wand.net.nz/
12 *
13 * libtrace is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * libtrace is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with libtrace; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
26 *
27 * $Id$
28 *
29 */
30
31
32#ifndef _FIFO_H_
33#define _FIFO_H_
34
35struct fifo_t;
36
37typedef struct fifo_state {
38        long long int in;
39        long long int out;
40        long long int ack;
41        long long int length;
42        long long int used;
43} fifo_state_t;
44
45
46struct fifo_t *create_fifo(size_t size);
47void destroy_fifo(struct fifo_t *fifo);
48
49
50void fifo_stat(struct fifo_t *fifo, char *desc, int delta);
51char *fifo_stat_str(struct fifo_t *fifo, char *desc, int delta);
52void fifo_stat_int(struct fifo_t *fifo, fifo_state_t *state);
53
54size_t fifo_out_available(struct fifo_t *fifo);
55size_t fifo_ack_available(struct fifo_t *fifo);
56size_t fifo_free(struct fifo_t *fifo);
57size_t fifo_length(struct fifo_t *fifo);
58
59int fifo_write(struct fifo_t *fifo, void *buffer, size_t len);
60
61int fifo_out_read(struct fifo_t *fifo, void *buffer, size_t len);
62int fifo_ack_read(struct fifo_t *fifo, void *buffer, size_t len);
63int fifo_out_update(struct fifo_t *fifo, size_t len);
64int fifo_ack_update(struct fifo_t *fifo, size_t len);
65
66void fifo_out_reset(struct fifo_t *fifo);
67
68void fifo_flush(struct fifo_t *fifo);
69
70
71
72#endif // _FIFO_H_
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