/**
- * collectd - src/load.c
+ * collectd - src/routeros.c
* Copyright (C) 2009 Florian octo Forster
*
* This program is free software; you can redistribute it and/or modify it
#include <routeros_api.h>
-static ros_connection_t *connection = NULL;
+struct cr_data_s
+{
+ ros_connection_t *connection;
+
+ char *node;
+ char *service;
+ char *username;
+ char *password;
-static char *conf_node = "router.example.com";
-static char *conf_service = NULL;
-static char *conf_username = "collectd";
-static char *conf_password = "secret";
+ _Bool collect_interface;
+ _Bool collect_regtable;
+};
+typedef struct cr_data_s cr_data_t;
static void cr_submit_io (const char *type, const char *type_instance, /* {{{ */
counter_t rx, counter_t tx)
return (0);
} /* }}} int handle_interface */
-static int cr_read (void) /* {{{ */
+static void cr_submit_gauge (const char *type, /* {{{ */
+ const char *type_instance, gauge_t value)
+{
+ value_t values[1];
+ value_list_t vl = VALUE_LIST_INIT;
+
+ values[0].gauge = value;
+
+ vl.values = values;
+ vl.values_len = STATIC_ARRAY_SIZE (values);
+ sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+ sstrncpy (vl.plugin, "routeros", sizeof (vl.plugin));
+ sstrncpy (vl.type, type, sizeof (vl.type));
+ sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
+
+ plugin_dispatch_values (&vl);
+} /* }}} void cr_submit_gauge */
+
+static void submit_regtable (const ros_registration_table_t *r) /* {{{ */
+{
+ char type_instance[DATA_MAX_NAME_LEN];
+
+ if (r == NULL)
+ return;
+
+ /*** RX ***/
+ ssnprintf (type_instance, sizeof (type_instance), "%s-%s-rx",
+ r->interface, r->radio_name);
+ cr_submit_gauge ("bitrate", type_instance,
+ (gauge_t) (1000000.0 * r->rx_rate));
+ cr_submit_gauge ("signal_power", type_instance,
+ (gauge_t) r->rx_signal_strength);
+ cr_submit_gauge ("signal_quality", type_instance,
+ (gauge_t) r->rx_ccq);
+
+ /*** TX ***/
+ ssnprintf (type_instance, sizeof (type_instance), "%s-%s-tx",
+ r->interface, r->radio_name);
+ cr_submit_gauge ("bitrate", type_instance,
+ (gauge_t) (1000000.0 * r->tx_rate));
+ cr_submit_gauge ("signal_power", type_instance,
+ (gauge_t) r->tx_signal_strength);
+ cr_submit_gauge ("signal_quality", type_instance,
+ (gauge_t) r->tx_ccq);
+
+ /*** RX / TX ***/
+ ssnprintf (type_instance, sizeof (type_instance), "%s-%s",
+ r->interface, r->radio_name);
+ cr_submit_io ("if_octets", type_instance,
+ (counter_t) r->rx_bytes, (counter_t) r->tx_bytes);
+ cr_submit_gauge ("snr", type_instance, (gauge_t) r->signal_to_noise);
+
+ submit_regtable (r->next);
+} /* }}} void submit_regtable */
+
+static int handle_regtable (__attribute__((unused)) ros_connection_t *c, /* {{{ */
+ const ros_registration_table_t *r,
+ __attribute__((unused)) void *user_data)
+{
+ submit_regtable (r);
+ return (0);
+} /* }}} int handle_regtable */
+
+static int cr_read (user_data_t *user_data) /* {{{ */
{
int status;
+ cr_data_t *rd;
- if (connection == NULL)
+ if (user_data == NULL)
+ return (EINVAL);
+
+ rd = user_data->data;
+ if (rd == NULL)
+ return (EINVAL);
+
+ if (rd->connection == NULL)
{
- connection = ros_connect (conf_node, conf_service,
- conf_username, conf_password);
- if (connection == NULL)
+ rd->connection = ros_connect (rd->node, rd->service,
+ rd->username, rd->password);
+ if (rd->connection == NULL)
{
char errbuf[128];
ERROR ("routeros plugin: ros_connect failed: %s",
return (-1);
}
}
- assert (connection != NULL);
+ assert (rd->connection != NULL);
- status = ros_interface (connection, handle_interface, /* user data = */ NULL);
- if (status != 0)
+ if (rd->collect_interface)
{
- char errbuf[128];
- ERROR ("routeros plugin: ros_interface failed: %s",
- sstrerror (status, errbuf, sizeof (errbuf)));
- ros_disconnect (connection);
- connection = NULL;
- return (-1);
+ status = ros_interface (rd->connection, handle_interface,
+ /* user data = */ NULL);
+ if (status != 0)
+ {
+ char errbuf[128];
+ ERROR ("routeros plugin: ros_interface failed: %s",
+ sstrerror (status, errbuf, sizeof (errbuf)));
+ ros_disconnect (rd->connection);
+ rd->connection = NULL;
+ return (-1);
+ }
+ }
+
+ if (rd->collect_regtable)
+ {
+ status = ros_registration_table (rd->connection, handle_regtable,
+ /* user data = */ NULL);
+ if (status != 0)
+ {
+ char errbuf[128];
+ ERROR ("routeros plugin: ros_registration_table failed: %s",
+ sstrerror (status, errbuf, sizeof (errbuf)));
+ ros_disconnect (rd->connection);
+ rd->connection = NULL;
+ return (-1);
+ }
}
return (0);
} /* }}} int cr_read */
+static void cr_free_data (cr_data_t *ptr) /* {{{ */
+{
+ if (ptr == NULL)
+ return;
+
+ ros_disconnect (ptr->connection);
+ ptr->connection = NULL;
+
+ sfree (ptr->node);
+ sfree (ptr->service);
+ sfree (ptr->username);
+ sfree (ptr->password);
+
+ sfree (ptr);
+} /* }}} void cr_free_data */
+
+static int cr_config_router (oconfig_item_t *ci) /* {{{ */
+{
+ cr_data_t *router_data;
+ char read_name[128];
+ user_data_t user_data;
+ int status;
+ int i;
+
+ router_data = malloc (sizeof (*router_data));
+ if (router_data == NULL)
+ return (-1);
+ memset (router_data, 0, sizeof (router_data));
+ router_data->connection = NULL;
+ router_data->node = NULL;
+ router_data->service = NULL;
+ router_data->username = NULL;
+ router_data->password = NULL;
+ router_data->collect_interface = false;
+ router_data->collect_regtable = false;
+
+ status = 0;
+ for (i = 0; i < ci->children_num; i++)
+ {
+ oconfig_item_t *child = ci->children + i;
+
+ if (strcasecmp ("Host", child->key) == 0)
+ status = cf_util_get_string (child, &router_data->node);
+ else if (strcasecmp ("Port", child->key) == 0)
+ status = cf_util_get_string (child, &router_data->service);
+ else if (strcasecmp ("User", child->key) == 0)
+ status = cf_util_get_string (child, &router_data->username);
+ else if (strcasecmp ("Password", child->key) == 0)
+ status = cf_util_get_string (child, &router_data->password);
+ else if (strcasecmp ("CollectInterface", child->key) == 0)
+ cf_util_get_boolean (child, &router_data->collect_interface);
+ else if (strcasecmp ("CollectRegistrationTable", child->key) == 0)
+ cf_util_get_boolean (child, &router_data->collect_regtable);
+ else
+ {
+ WARNING ("routeros plugin: Unknown config option `%s'.", child->key);
+ }
+
+ if (status != 0)
+ break;
+ }
+
+ if (status == 0)
+ {
+ if (router_data->node == NULL)
+ {
+ ERROR ("routeros plugin: No `Host' option within a `Router' block. "
+ "Where should I connect to?");
+ status = -1;
+ }
+
+ if (router_data->password == NULL)
+ {
+ ERROR ("routeros plugin: No `Password' option within a `Router' block. "
+ "How should I authenticate?");
+ status = -1;
+ }
+
+ if (!router_data->collect_interface
+ && !router_data->collect_regtable)
+ {
+ ERROR ("routeros plugin: No `Collect*' option within a `Router' block. "
+ "What statistics should I collect?");
+ status = -1;
+ }
+ }
+
+ if ((status == 0) && (router_data->username == NULL))
+ {
+ router_data->username = sstrdup ("admin");
+ if (router_data->username == NULL)
+ {
+ ERROR ("routeros plugin: sstrdup failed.");
+ status = -1;
+ }
+ }
+
+ ssnprintf (read_name, sizeof (read_name), "routeros/%s", router_data->node);
+ user_data.data = router_data;
+ user_data.free_func = (void *) cr_free_data;
+ if (status == 0)
+ status = plugin_register_complex_read (read_name, cr_read,
+ /* interval = */ NULL, &user_data);
+
+ if (status != 0)
+ cr_free_data (router_data);
+
+ return (status);
+} /* }}} int cr_config_router */
+
+static int cr_config (oconfig_item_t *ci)
+{
+ int i;
+
+ for (i = 0; i < ci->children_num; i++)
+ {
+ oconfig_item_t *child = ci->children + i;
+
+ if (strcasecmp ("Router", child->key) == 0)
+ cr_config_router (child);
+ else
+ {
+ WARNING ("routeros plugin: Unknown config option `%s'.", child->key);
+ }
+ }
+
+ return (0);
+} /* }}} int cr_config */
+
void module_register (void)
{
- plugin_register_read ("routeros", cr_read);
+ plugin_register_complex_config ("routeros", cr_config);
} /* void module_register */
/* vim: set sw=2 noet fdm=marker : */