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
|
/*
* Copyright (c) 2010 Julien Palard. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
This example is a basic demo of logtop C API.
You may compile it using :
$ cd examples
$ cc example1.c ../src/{avl.c,history.c,logtop.c,libavl/avl.c} -o example1
or
$ make liblogtop
$ cd examples
$ cc example1.c -llogtop -L.. -o example1
$ LD_LIBRARY_PATH=.. ./example1
*/
#include <unistd.h>
#include <stdio.h>
#include "../src/logtop.h"
int main()
{
struct logtop *logtop;
struct logtop_state *state;
unsigned int i;
logtop = new_logtop(10000); /* Don't keep more than 10k elements */
logtop_feed(logtop, "foo");
logtop_feed(logtop, "bar");
logtop_feed(logtop, "foo");
logtop_feed(logtop, "bar");
logtop_feed(logtop, "baz");
logtop_feed(logtop, "baz");
logtop_feed(logtop, "baz");
state = logtop_get(logtop, 10); /* Get the top 10 */
printf("%d lines seen during %.2fs (%.2f lines/s):\n",
state->count,
state->timespan,
state->frequency);
i = 0;
while (state->lines[i] != NULL)
{
printf(" \"%s\" seen %d times (%.2f lines/s)\n",
state->lines[i]->string,
state->lines[i]->count,
state->lines[i]->frequency);
i += 1;
}
delete_logtop_state(state);
delete_logtop(logtop);
return EXIT_SUCCESS;
}
|
