diff --git a/src/redis.c b/src/redis.c
--- a/src/redis.c
+++ /dev/null
@@ -1,459 +0,0 @@
-/**
- * collectd - src/redis.c, based on src/memcached.c
- * Copyright (C) 2010 Andrés J. Díaz <ajdiaz@connectical.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * This program 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
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Authors:
- * Andrés J. Díaz <ajdiaz@connectical.com>
- **/
-
-#include "collectd.h"
-#include "common.h"
-#include "plugin.h"
-#include "configfile.h"
-
-#include <pthread.h>
-#include <sys/time.h>
-#include <hiredis/hiredis.h>
-
-#ifndef HOST_NAME_MAX
-# define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
-#endif
-
-#define REDIS_DEF_HOST "localhost"
-#define REDIS_DEF_PASSWD ""
-#define REDIS_DEF_PORT 6379
-#define REDIS_DEF_TIMEOUT 2000
-#define MAX_REDIS_NODE_NAME 64
-#define MAX_REDIS_PASSWD_LENGTH 512
-#define MAX_REDIS_VAL_SIZE 256
-#define MAX_REDIS_QUERY 2048
-
-/* Redis plugin configuration example:
- *
- * <Plugin redis>
- * <Node "mynode">
- * Host "localhost"
- * Port "6379"
- * Timeout 2
- * Password "foobar"
- * </Node>
- * </Plugin>
- */
-
-struct redis_query_s;
-typedef struct redis_query_s redis_query_t;
-struct redis_query_s
-{
- char query[MAX_REDIS_QUERY];
- char type[DATA_MAX_NAME_LEN];
- char instance[DATA_MAX_NAME_LEN];
- redis_query_t *next;
-};
-
-struct redis_node_s;
-typedef struct redis_node_s redis_node_t;
-struct redis_node_s
-{
- char name[MAX_REDIS_NODE_NAME];
- char host[HOST_NAME_MAX];
- char passwd[MAX_REDIS_PASSWD_LENGTH];
- int port;
- struct timeval timeout;
- redis_query_t *queries;
-
- redis_node_t *next;
-};
-
-static redis_node_t *nodes_head = NULL;
-
-static int redis_node_add (const redis_node_t *rn) /* {{{ */
-{
- redis_node_t *rn_copy;
- redis_node_t *rn_ptr;
-
- /* Check for duplicates first */
- for (rn_ptr = nodes_head; rn_ptr != NULL; rn_ptr = rn_ptr->next)
- if (strcmp (rn->name, rn_ptr->name) == 0)
- break;
-
- if (rn_ptr != NULL)
- {
- ERROR ("redis plugin: A node with the name `%s' already exists.",
- rn->name);
- return (-1);
- }
-
- rn_copy = malloc (sizeof (*rn_copy));
- if (rn_copy == NULL)
- {
- ERROR ("redis plugin: malloc failed adding redis_node to the tree.");
- return (-1);
- }
-
- memcpy (rn_copy, rn, sizeof (*rn_copy));
- rn_copy->next = NULL;
-
- DEBUG ("redis plugin: Adding node \"%s\".", rn->name);
-
- if (nodes_head == NULL)
- nodes_head = rn_copy;
- else
- {
- rn_ptr = nodes_head;
- while (rn_ptr->next != NULL)
- rn_ptr = rn_ptr->next;
- rn_ptr->next = rn_copy;
- }
-
- return (0);
-} /* }}} */
-
-static redis_query_t *redis_config_query (oconfig_item_t *ci) /* {{{ */
-{
- redis_query_t *rq;
- int status;
- int i;
-
- rq = calloc(1, sizeof(*rq));
- if (rq == NULL) {
- ERROR("redis plugin: calloca failed adding redis_query.");
- return NULL;
- }
- status = cf_util_get_string_buffer(ci, rq->query, sizeof(rq->query));
- if (status != 0)
- goto err;
-
- /*
- * Default to a gauge type.
- */
- (void)strncpy(rq->type, "gauge", sizeof(rq->type));
- (void)strncpy(rq->instance, rq->query, sizeof(rq->instance));
- replace_special(rq->instance, sizeof(rq->instance));
-
- for (i = 0; i < ci->children_num; i++) {
- oconfig_item_t *option = ci->children + i;
-
- if (strcasecmp("Type", option->key) == 0) {
- status = cf_util_get_string_buffer(option, rq->type, sizeof(rq->type));
- } else if (strcasecmp("Instance", option->key) == 0) {
- status = cf_util_get_string_buffer(option, rq->instance, sizeof(rq->instance));
- } else {
- WARNING("redis plugin: unknown configuration option: %s", option->key);
- status = -1;
- }
- if (status != 0)
- goto err;
- }
- return rq;
- err:
- free(rq);
- return NULL;
-} /* }}} */
-
-static int redis_config_node (oconfig_item_t *ci) /* {{{ */
-{
- redis_node_t rn;
- redis_query_t *rq;
- int i;
- int status;
- int timeout;
-
- memset (&rn, 0, sizeof (rn));
- sstrncpy (rn.host, REDIS_DEF_HOST, sizeof (rn.host));
- rn.port = REDIS_DEF_PORT;
- rn.timeout.tv_usec = REDIS_DEF_TIMEOUT;
- rn.queries = NULL;
-
- status = cf_util_get_string_buffer (ci, rn.name, sizeof (rn.name));
- if (status != 0)
- return (status);
-
- for (i = 0; i < ci->children_num; i++)
- {
- oconfig_item_t *option = ci->children + i;
-
- if (strcasecmp ("Host", option->key) == 0)
- status = cf_util_get_string_buffer (option, rn.host, sizeof (rn.host));
- else if (strcasecmp ("Port", option->key) == 0)
- {
- status = cf_util_get_port_number (option);
- if (status > 0)
- {
- rn.port = status;
- status = 0;
- }
- }
- else if (strcasecmp ("Query", option->key) == 0)
- {
- rq = redis_config_query(option);
- if (rq == NULL) {
- status =1;
- } else {
- rq->next = rn.queries;
- rn.queries = rq;
- }
- }
- else if (strcasecmp ("Timeout", option->key) == 0)
- {
- status = cf_util_get_int (option, &timeout);
- if (status == 0) rn.timeout.tv_usec = timeout;
- }
- else if (strcasecmp ("Password", option->key) == 0)
- status = cf_util_get_string_buffer (option, rn.passwd, sizeof (rn.passwd));
- else
- WARNING ("redis plugin: Option `%s' not allowed inside a `Node' "
- "block. I'll ignore this option.", option->key);
-
- if (status != 0)
- break;
- }
-
- if (status != 0)
- return (status);
-
- return (redis_node_add (&rn));
-} /* }}} int redis_config_node */
-
-static int redis_config (oconfig_item_t *ci) /* {{{ */
-{
- int i;
-
- for (i = 0; i < ci->children_num; i++)
- {
- oconfig_item_t *option = ci->children + i;
-
- if (strcasecmp ("Node", option->key) == 0)
- redis_config_node (option);
- else
- WARNING ("redis plugin: Option `%s' not allowed in redis"
- " configuration. It will be ignored.", option->key);
- }
-
- if (nodes_head == NULL)
- {
- ERROR ("redis plugin: No valid node configuration could be found.");
- return (ENOENT);
- }
-
- return (0);
-} /* }}} */
-
- __attribute__ ((nonnull(2)))
-static void redis_submit (char *plugin_instance,
- const char *type, const char *type_instance,
- value_t value) /* {{{ */
-{
- value_t values[1];
- value_list_t vl = VALUE_LIST_INIT;
-
- values[0] = value;
-
- vl.values = values;
- vl.values_len = 1;
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
- sstrncpy (vl.plugin, "redis", sizeof (vl.plugin));
- if (plugin_instance != NULL)
- sstrncpy (vl.plugin_instance, plugin_instance,
- sizeof (vl.plugin_instance));
- sstrncpy (vl.type, type, sizeof (vl.type));
- if (type_instance != NULL)
- sstrncpy (vl.type_instance, type_instance,
- sizeof (vl.type_instance));
-
- plugin_dispatch_values (&vl);
-} /* }}} */
-
-static int redis_init (void) /* {{{ */
-{
- redis_node_t rn = {
- .name = "default",
- .host = REDIS_DEF_HOST,
- .port = REDIS_DEF_PORT,
- .timeout.tv_sec = 0,
- .timeout.tv_usec = REDIS_DEF_TIMEOUT,
- .next = NULL
-};
-
- if (nodes_head == NULL)
- redis_node_add (&rn);
-
- return (0);
-} /* }}} int redis_init */
-
-int redis_handle_info (char *node, char const *info_line, char const *type, char const *type_instance, char const *field_name, int ds_type) /* {{{ */
-{
- char *str = strstr (info_line, field_name);
- static char buf[MAX_REDIS_VAL_SIZE];
- value_t val;
- if (str)
- {
- int i;
-
- str += strlen (field_name) + 1; /* also skip the ':' */
- for(i=0;(*str && (isdigit(*str) || *str == '.'));i++,str++)
- buf[i] = *str;
- buf[i] ='\0';
-
- if(parse_value (buf, &val, ds_type) == -1)
- {
- WARNING ("redis plugin: Unable to parse field `%s'.", field_name);
- return (-1);
- }
-
- redis_submit (node, type, type_instance, val);
- return (0);
- }
- return (-1);
-
-} /* }}} int redis_handle_info */
-
-int redis_handle_query (redisContext *rh, redis_node_t *rn, redis_query_t *rq) /* {{{ */
-{
- redisReply *rr;
- const data_set_t *ds;
- value_t val;
-
- ds = plugin_get_ds (rq->type);
- if (!ds) {
- ERROR ("redis plugin: DataSet `%s' not defined.", rq->type);
- return (-1);
- }
-
- if (ds->ds_num != 1) {
- ERROR ("redis plugin: DS `%s' has too many types.", rq->type);
- return (-1);
- }
-
- if ((rr = redisCommand(rh, rq->query)) == NULL) {
- WARNING("redis plugin: unable to carry out query `%s'.", rq->query);
- return (-1);
- }
-
- switch (rr->type) {
- case REDIS_REPLY_INTEGER:
- switch (ds->ds[0].type) {
- case DS_TYPE_COUNTER:
- val.counter = (counter_t)rr->integer;
- break;
- case DS_TYPE_GAUGE:
- val.gauge = (gauge_t)rr->integer;
- break;
- case DS_TYPE_DERIVE:
- val.gauge = (derive_t)rr->integer;
- break;
- case DS_TYPE_ABSOLUTE:
- val.gauge = (absolute_t)rr->integer;
- break;
- }
- break;
- case REDIS_REPLY_STRING:
- if (parse_value (rr->str, &val, ds->ds[0].type) == -1) {
- WARNING("redis plugin: Unable to parse field `%s'.", rq->type);
- freeReplyObject (rr);
- return (-1);
- }
- break;
- default:
- WARNING("redis plugin: Cannot coerce redis type.");
- freeReplyObject(rr);
- return (-1);
- }
-
- redis_submit(rn->name, rq->type, (strlen(rq->instance) >0)?rq->instance:NULL, val);
- freeReplyObject (rr);
- return 0;
-} /* }}} int redis_handle_info */
-
-static int redis_read (void) /* {{{ */
-{
- redis_node_t *rn;
- redis_query_t *rq;
-
- for (rn = nodes_head; rn != NULL; rn = rn->next)
- {
- redisContext *rh;
- redisReply *rr;
-
- DEBUG ("redis plugin: querying info from node `%s' (%s:%d).", rn->name, rn->host, rn->port);
-
- rh = redisConnectWithTimeout ((char *)rn->host, rn->port, rn->timeout);
- if (rh == NULL)
- {
- ERROR ("redis plugin: unable to connect to node `%s' (%s:%d).", rn->name, rn->host, rn->port);
- continue;
- }
-
- if (strlen (rn->passwd) > 0)
- {
- DEBUG ("redis plugin: authenticanting node `%s' passwd(%s).", rn->name, rn->passwd);
- rr = redisCommand (rh, "AUTH %s", rn->passwd);
-
- if (rr == NULL || rr->type != REDIS_REPLY_STATUS)
- {
- WARNING ("redis plugin: unable to authenticate on node `%s'.", rn->name);
- if (rr != NULL)
- freeReplyObject (rr);
-
- redisFree (rh);
- continue;
- }
- }
-
- if ((rr = redisCommand(rh, "INFO")) == NULL)
- {
- WARNING ("redis plugin: unable to connect to node `%s'.", rn->name);
- redisFree (rh);
- continue;
- }
-
- redis_handle_info (rn->name, rr->str, "uptime", NULL, "uptime_in_seconds", DS_TYPE_GAUGE);
- redis_handle_info (rn->name, rr->str, "current_connections", "clients", "connected_clients", DS_TYPE_GAUGE);
- redis_handle_info (rn->name, rr->str, "blocked_clients", NULL, "blocked_clients", DS_TYPE_GAUGE);
- redis_handle_info (rn->name, rr->str, "memory", NULL, "used_memory", DS_TYPE_GAUGE);
- redis_handle_info (rn->name, rr->str, "memory_lua", NULL, "used_memory_lua", DS_TYPE_GAUGE);
- /* changes_since_last_save: Deprecated in redis version 2.6 and above */
- redis_handle_info (rn->name, rr->str, "volatile_changes", NULL, "changes_since_last_save", DS_TYPE_GAUGE);
- redis_handle_info (rn->name, rr->str, "total_connections", NULL, "total_connections_received", DS_TYPE_DERIVE);
- redis_handle_info (rn->name, rr->str, "total_operations", NULL, "total_commands_processed", DS_TYPE_DERIVE);
- redis_handle_info (rn->name, rr->str, "expired_keys", NULL, "expired_keys", DS_TYPE_GAUGE);
- redis_handle_info (rn->name, rr->str, "pubsub", "channels", "pubsub_channels", DS_TYPE_GAUGE);
- redis_handle_info (rn->name, rr->str, "pubsub", "patterns", "pubsub_patterns", DS_TYPE_GAUGE);
- redis_handle_info (rn->name, rr->str, "current_connections", "slaves", "connected_slaves", DS_TYPE_GAUGE);
-
- freeReplyObject (rr);
-
- for (rq = rn->queries; rq != NULL; rq = rq->next)
- redis_handle_query(rh, rn, rq);
-
- redisFree (rh);
- }
-
- return 0;
-}
-/* }}} */
-
-void module_register (void) /* {{{ */
-{
- plugin_register_complex_config ("redis", redis_config);
- plugin_register_init ("redis", redis_init);
- plugin_register_read ("redis", redis_read);
- /* TODO: plugin_register_write: one redis list per value id with
- * X elements */
-}
-/* }}} */
-
-/* vim: set sw=2 sts=2 et fdm=marker : */