blob: 7d8c311e0a2c220c949d18dcdbeb8f6d1e9e15b3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/*
* Ouroboros - Copyright (C) 2016
*
* Flows
*
* Dimitri Staessens <dimitri.staessens@intec.ugent.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef OUROBOROS_FLOW_H
#define OUROBOROS_FLOW_H
#include <ouroboros/common.h>
#include <pthread.h>
/* same values as fcntl.h */
#define FLOW_O_RDONLY 00000000
#define FLOW_O_WRONLY 00000001
#define FLOW_O_RDWR 00000002
#define FLOW_O_ACCMODE 00000003
#define FLOW_O_NONBLOCK 00004000
#define FLOW_O_DEFAULT 00000002
#define FLOW_O_INVALID (FLOW_O_WRONLY | FLOW_O_RDWR)
enum flow_state {
FLOW_INIT = 0,
FLOW_ALLOCATED,
FLOW_PENDING
};
typedef struct flow {
int32_t port_id;
uint16_t oflags;
enum flow_state state;
pthread_mutex_t lock;
} flow_t;
flow_t * flow_create(int32_t port_id);
void flow_destroy(flow_t * flow);
int flow_set_opts(flow_t * flow, uint16_t opts);
uint16_t flow_get_opts(const flow_t * flow);
#endif /* OUROBOROS_FLOW_H */
|
