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
|
/*
Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#include "glusterfs/event-history.h"
#include "glusterfs/libglusterfs-messages.h"
eh_t *
eh_new(size_t buffer_size, gf_boolean_t use_buffer_once,
void (*destroy_buffer_data)(void *data))
{
eh_t *history = NULL;
buffer_t *buffer = NULL;
history = GF_CALLOC(1, sizeof(eh_t), gf_common_mt_eh_t);
if (!history) {
goto out;
}
buffer = cb_buffer_new(buffer_size, use_buffer_once, destroy_buffer_data);
if (!buffer) {
GF_FREE(history);
history = NULL;
goto out;
}
history->buffer = buffer;
pthread_mutex_init(&history->lock, NULL);
out:
return history;
}
void
eh_dump(eh_t *history, void *data,
int(dump_fn)(circular_buffer_t *buffer, void *data))
{
if (!history) {
gf_msg_debug("event-history", 0, "history is NULL");
goto out;
}
cb_buffer_dump(history->buffer, data, dump_fn);
out:
return;
}
int
eh_save_history(eh_t *history, void *data)
{
int ret = -1;
ret = cb_add_entry_buffer(history->buffer, data);
return ret;
}
int
eh_destroy(eh_t *history)
{
if (!history) {
gf_msg("event-history", GF_LOG_INFO, 0, LG_MSG_INVALID_ARG,
"history for the xlator is NULL");
return -1;
}
cb_buffer_destroy(history->buffer);
history->buffer = NULL;
pthread_mutex_destroy(&history->lock);
GF_FREE(history);
return 0;
}
|
