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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/*
* Copyright (c) 2002-2014 Balabit
* Copyright (c) 2014 Laszlo Budai
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "instant_ack_tracker.h"
#include "bookmark.h"
#include "syslog-ng.h"
typedef struct _InstantAckRecord
{
AckRecord super;
void *padding;
/* bookmark contains a binary container which has to be aligned */
} InstantAckRecord;
typedef struct _InstantAckTrackerBookmarkless
{
AckTracker super;
InstantAckRecord ack_record_storage;
} InstantAckTrackerBookmarkless;
static Bookmark *
_request_bookmark(AckTracker *s)
{
InstantAckTrackerBookmarkless *self = (InstantAckTrackerBookmarkless *)s;
return &(self->ack_record_storage.super.bookmark);
}
static void
_track_msg(AckTracker *s, LogMessage *msg)
{
InstantAckTrackerBookmarkless *self = (InstantAckTrackerBookmarkless *)s;
log_pipe_ref((LogPipe *)self->super.source);
msg->ack_record = (AckRecord *)(&self->ack_record_storage);
}
static void
_manage_msg_ack(AckTracker *s, LogMessage *msg, AckType ack_type)
{
InstantAckTrackerBookmarkless *self = (InstantAckTrackerBookmarkless *)s;
log_source_flow_control_adjust(self->super.source, 1);
if (ack_type == AT_SUSPENDED)
log_source_flow_control_suspend(self->super.source);
log_msg_unref(msg);
log_pipe_unref((LogPipe *)self->super.source);
}
static void
_free(AckTracker *s)
{
InstantAckTrackerBookmarkless *self = (InstantAckTrackerBookmarkless *)s;
g_free(self);
}
static void
_setup_callbacks(InstantAckTrackerBookmarkless *self)
{
self->super.request_bookmark = _request_bookmark;
self->super.track_msg = _track_msg;
self->super.manage_msg_ack = _manage_msg_ack;
self->super.free_fn = _free;
}
static void
_init_instance(InstantAckTrackerBookmarkless *self, LogSource *source)
{
self->super.source = source;
source->ack_tracker = (AckTracker *)self;
self->ack_record_storage.super.tracker = (AckTracker *)self;
_setup_callbacks(self);
}
AckTracker *
instant_ack_tracker_bookmarkless_new(LogSource *source)
{
InstantAckTrackerBookmarkless *self = (InstantAckTrackerBookmarkless *)g_new0(InstantAckTrackerBookmarkless, 1);
_init_instance(self, source);
return (AckTracker *)self;
}
|
