977e11b59dd4e16d69d19386651036a1ea69853f
1 /**
2 * collectd - src/tokyotyrant.c
3 * Copyright (C) 2009 Paul Sadauskas
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; only version 2 of the License is applicable.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 *
18 * Authors:
19 * Paul Sadauskas <psadauskas@gmail.com>
20 **/
22 #include "collectd.h"
23 #include "plugin.h"
24 #include "common.h"
25 #include "utils_cache.h"
26 #include "utils_parse_option.h"
27 #include <tcrdb.h>
29 #define DEFAULT_HOST "127.0.0.1"
30 #define DEFAULT_PORT 1978
32 static const char *config_keys[] =
33 {
34 "Host",
35 "Port"
36 };
37 static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
39 static char *config_host = NULL;
40 static char *config_port = NULL;
42 static int tt_config (const char *key, const char *value)
43 {
44 if (strcasecmp ("Host", key) == 0)
45 {
46 char *temp;
48 temp = strdup (value);
49 if (temp == NULL)
50 {
51 ERROR("tokyotyrant plugin: Host strdup failed.");
52 return (1);
53 }
54 sfree (config_host);
55 config_host = temp;
56 }
57 else if (strcasecmp ("Port", key) == 0)
58 {
59 char *temp;
61 temp = strdup (value);
62 if (temp == NULL)
63 {
64 ERROR("tokyotyrant plugin: Port strdup failed.");
65 return (1);
66 }
67 sfree (config_port);
68 config_port = temp;
69 }
70 else
71 {
72 ERROR ("tokyotyrant plugin: error: unrecognized configuration key %s", key);
73 return (-1);
74 }
76 return (0);
77 }
79 static void printerr(TCRDB *rdb)
80 {
81 int ecode = tcrdbecode(rdb);
82 ERROR ("tokyotyrant plugin: error: %d, %s",
83 ecode, tcrdberrmsg(ecode));
84 }
86 static void tt_submit (gauge_t val, const char* type)
87 {
88 value_t values[1];
89 value_list_t vl = VALUE_LIST_INIT;
91 values[0].gauge = val;
93 vl.values = values;
94 vl.values_len = STATIC_ARRAY_SIZE (values);
96 sstrncpy (vl.host, config_host, sizeof (vl.host));
97 sstrncpy (vl.plugin, "tokyotyrant", sizeof (vl.plugin));
98 sstrncpy (vl.plugin_instance, config_port,
99 sizeof (vl.plugin_instance));
100 sstrncpy (vl.type, type, sizeof (vl.type));
102 plugin_dispatch_values (&vl);
103 }
105 static int tt_read (void) {
106 gauge_t rnum, size;
108 char* host = NULL;
109 int port;
111 host = ((config_host != NULL) ? config_host : DEFAULT_HOST);
112 port = ((config_port != NULL) ? atoi(config_port) : DEFAULT_PORT);
114 TCRDB *rdb = tcrdbnew();
116 if (!tcrdbopen(rdb, host, port))
117 {
118 printerr (rdb);
119 tcrdbdel (rdb);
120 return (1);
121 }
123 rnum = tcrdbrnum(rdb);
124 size = tcrdbsize(rdb);
125 tt_submit (rnum, "records");
126 tt_submit (size, "file_size");
128 if (!tcrdbclose(rdb))
129 {
130 printerr (rdb);
131 tcrdbdel (rdb);
132 return (1);
133 }
135 tcrdbdel (rdb);
136 return (0);
137 }
139 static int tt_shutdown(void)
140 {
141 sfree(config_host);
142 sfree(config_port);
144 return(0);
145 }
147 void module_register (void)
148 {
149 plugin_register_config("tokyotyrant", tt_config,
150 config_keys, config_keys_num);
151 plugin_register_read("tokyotyrant", tt_read);
152 plugin_register_shutdown("tokyotyrant", tt_shutdown);
153 }
155 /* vim: set sw=8 ts=8 tw=78 : */