blob: da0ca14845631acb60b1b8bfac36f2aa28713476 (
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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/*
* 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.
*/
#include <stdlib.h>
#include <ouroboros/flow.h>
#define OUROBOROS_PREFIX "ipcpd/flow"
#include <ouroboros/logs.h>
flow_t * flow_create(int32_t port_id)
{
flow_t * flow = malloc(sizeof *flow);
if (flow == NULL) {
LOG_DBGF("Could not malloc flow.");
return NULL;
}
INIT_LIST_HEAD(&flow->list);
flow->port_id = port_id;
flow->oflags = FLOW_O_DEFAULT;
flow->state = FLOW_NULL;
pthread_mutex_init(&flow->lock, NULL);
return flow;
}
void flow_destroy(flow_t * flow)
{
if (flow == NULL)
return;
free(flow);
}
int flow_set_opts(flow_t * flow, uint16_t opts)
{
if (flow == NULL) {
LOG_DBGF("Non-existing flow.");
return -1;
}
pthread_mutex_lock(&flow->lock);
if ((opts & FLOW_O_ACCMODE) == FLOW_O_ACCMODE) {
flow->oflags = FLOW_O_DEFAULT;
pthread_mutex_unlock(&flow->lock);
LOG_WARN("Invalid flow options. Setting default.");
return -1;
}
flow->oflags = opts;
pthread_mutex_unlock(&flow->lock);
return 0;
}
uint16_t flow_get_opts(const flow_t * flow)
{
if (flow == NULL) {
LOG_DBGF("Non-existing flow.");
return FLOW_O_INVALID;
}
return flow->oflags;
}
|
