2 * collectd - src/tokyotyrant.c
3 * Copyright (C) 2009 Paul Sadauskas
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.
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.
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
19 * Paul Sadauskas <psadauskas@gmail.com>
25 #include "utils_cache.h"
26 #include "utils_parse_option.h"
28 #include <sys/types.h>
29 #include <sys/socket.h>
34 #define DEFAULT_HOST "127.0.0.1"
35 #define DEFAULT_PORT 1978
37 static const char *config_keys[] =
42 static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
44 static char *config_host = NULL;
45 static char *config_port = NULL;
47 static TCRDB *rdb = NULL;
49 static int parse_service_name (const char *service_name)
51 struct addrinfo *ai_list;
52 struct addrinfo *ai_ptr;
53 struct addrinfo ai_hints;
58 memset (&ai_hints, 0, sizeof (ai_hints));
59 ai_hints.ai_family = AF_UNSPEC;
61 status = getaddrinfo (/* node = */ NULL, service_name,
65 ERROR ("tokyotyrant plugin: getaddrinfo failed: %s",
66 gai_strerror (status));
71 for (ai_ptr = ai_list; ai_ptr != NULL; ai_ptr = ai_ptr->ai_next)
73 if (ai_ptr->ai_family == AF_INET)
75 struct sockaddr_in *sa;
77 sa = (void *) ai_ptr->ai_addr;
78 service_number = (int) ntohs (sa->sin_port);
80 else if (ai_ptr->ai_family == AF_INET6)
82 struct sockaddr_in6 *sa;
84 sa = (void *) ai_ptr->ai_addr;
85 service_number = (int) ntohs (sa->sin6_port);
88 if ((service_number > 0) && (service_number <= 65535))
92 freeaddrinfo (ai_list);
94 if ((service_number > 0) && (service_number <= 65535))
95 return (service_number);
97 } /* int parse_service_name */
99 static int tt_config (const char *key, const char *value)
101 if (strcasecmp ("Host", key) == 0)
105 temp = strdup (value);
108 ERROR("tokyotyrant plugin: Host strdup failed.");
114 else if (strcasecmp ("Port", key) == 0)
118 temp = strdup (value);
121 ERROR("tokyotyrant plugin: Port strdup failed.");
129 ERROR ("tokyotyrant plugin: error: unrecognized configuration key %s", key);
136 static void printerr()
138 int ecode = tcrdbecode(rdb);
139 ERROR ("tokyotyrant plugin: error: %d, %s",
140 ecode, tcrdberrmsg(ecode));
143 static void tt_submit (gauge_t val, const char* type)
146 value_list_t vl = VALUE_LIST_INIT;
148 values[0].gauge = val;
151 vl.values_len = STATIC_ARRAY_SIZE (values);
153 sstrncpy (vl.host, config_host, sizeof (vl.host));
154 sstrncpy (vl.plugin, "tokyotyrant", sizeof (vl.plugin));
155 sstrncpy (vl.plugin_instance, config_port,
156 sizeof (vl.plugin_instance));
157 sstrncpy (vl.type, type, sizeof (vl.type));
159 plugin_dispatch_values (&vl);
162 static void tt_open_db (void)
165 int port = DEFAULT_PORT;
170 host = ((config_host != NULL) ? config_host : DEFAULT_HOST);
172 if (config_port != NULL)
174 port = parse_service_name (config_port);
182 else if (!tcrdbopen(rdb, host, port))
188 } /* void tt_open_db */
190 static int tt_read (void) {
197 rnum = tcrdbrnum(rdb);
198 tt_submit (rnum, "records");
200 size = tcrdbsize(rdb);
201 tt_submit (size, "file_size");
206 static int tt_shutdown(void)
213 if (!tcrdbclose(rdb))
226 void module_register (void)
228 plugin_register_config("tokyotyrant", tt_config,
229 config_keys, config_keys_num);
230 plugin_register_read("tokyotyrant", tt_read);
231 plugin_register_shutdown("tokyotyrant", tt_shutdown);
234 /* vim: set sw=8 ts=8 tw=78 : */