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/**
* collectd - src/curl_xml.c
* Copyright (C) 2009,2010 Amit Gupta
*
* 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; only version 2 of the License is applicable.
*
* 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:
* Amit Gupta <amit.gupta221 at gmail.com>
**/
#include "collectd.h"
#include "common.h"
#include "plugin.h"
#include "configfile.h"
#include "utils_llist.h"
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <libxml/xpath.h>
#include <curl/curl.h>
#define CX_DEFAULT_HOST "localhost"
/*
* Private data structures
*/
struct cx_values_s /* {{{ */
{
char path[DATA_MAX_NAME_LEN];
size_t path_len;
};
typedef struct cx_values_s cx_values_t;
/* }}} */
struct cx_xpath_s /* {{{ */
{
char *path;
char *type;
cx_values_t *values;
int values_len;
char *instance_prefix;
char *instance;
int is_table;
unsigned long magic;
};
typedef struct cx_xpath_s cx_xpath_t;
/* }}} */
struct cx_s /* {{{ */
{
char *instance;
char *host;
char *url;
char *user;
char *pass;
char *credentials;
_Bool verify_peer;
_Bool verify_host;
char *cacert;
CURL *curl;
char curl_errbuf[CURL_ERROR_SIZE];
char *buffer;
size_t buffer_size;
size_t buffer_fill;
llist_t *list; /* list of xpath blocks */
};
typedef struct cx_s cx_t; /* }}} */
/*
* Private functions
*/
static size_t cx_curl_callback (void *buf, /* {{{ */
size_t size, size_t nmemb, void *user_data)
{
size_t len = size * nmemb;
cx_t *db;
db = user_data;
if (db == NULL)
{
ERROR ("curl_xml plugin: cx_curl_callback: "
"user_data pointer is NULL.");
return (0);
}
if (len <= 0)
return (len);
if ((db->buffer_fill + len) >= db->buffer_size)
{
char *temp;
temp = (char *) realloc (db->buffer,
db->buffer_fill + len + 1);
if (temp == NULL)
{
ERROR ("curl_xml plugin: realloc failed.");
return (0);
}
db->buffer = temp;
db->buffer_size = db->buffer_fill + len + 1;
}
memcpy (db->buffer + db->buffer_fill, (char *) buf, len);
db->buffer_fill += len;
db->buffer[db->buffer_fill] = 0;
return (len);
} /* }}} size_t cx_curl_callback */
static void cx_xpath_free (cx_xpath_t *xpath) /* {{{ */
{
if (xpath == NULL)
return;
sfree (xpath->path);
sfree (xpath->type);
sfree (xpath->instance_prefix);
sfree (xpath->instance);
sfree (xpath->values);
sfree (xpath);
} /* }}} void cx_xpath_free */
static void cx_list_free (llist_t *list) /* {{{ */
{
llentry_t *le;
le = llist_head (list);
while (le != NULL)
{
llentry_t *le_next;
le_next = le->next;
sfree (le->key);
cx_xpath_free (le->value);
le = le_next;
}
llist_destroy (list);
list = NULL;
} /* }}} void cx_list_free */
static void cx_free (void *arg) /* {{{ */
{
cx_t *db;
DEBUG ("curl_xml plugin: cx_free (arg = %p);", arg);
db = (cx_t *) arg;
if (db == NULL)
return;
if (db->curl != NULL)
curl_easy_cleanup (db->curl);
db->curl = NULL;
if (db->list != NULL)
cx_list_free (db->list);
sfree (db->buffer);
sfree (db->instance);
sfree (db->host);
sfree (db->url);
sfree (db->user);
sfree (db->pass);
sfree (db->credentials);
sfree (db->cacert);
sfree (db);
} /* }}} void cx_free */
static int cx_check_type (const data_set_t *ds, cx_xpath_t *xpath) /* {{{ */
{
if (!ds)
{
WARNING ("curl_xml plugin: DataSet `%s' not defined.", xpath->type);
return (-1);
}
if (ds->ds_num != xpath->values_len)
{
WARNING ("curl_xml plugin: DataSet `%s' requires %i values, but config talks about %i",
xpath->type, ds->ds_num, xpath->values_len);
return (-1);
}
return (0);
} /* }}} cx_check_type */
static xmlXPathObjectPtr cx_evaluate_xpath (xmlXPathContextPtr xpath_ctx, /* {{{ */
xmlChar *expr)
{
xmlXPathObjectPtr xpath_obj;
/* XXX: When to free this? */
xpath_obj = xmlXPathEvalExpression(BAD_CAST expr, xpath_ctx);
if (xpath_obj == NULL)
{
WARNING ("curl_xml plugin: "
"Error unable to evaluate xpath expression \"%s\". Skipping...", expr);
return NULL;
}
return xpath_obj;
} /* }}} cx_evaluate_xpath */
static int cx_if_not_text_node (xmlNodePtr node) /* {{{ */
{
if (node->type == XML_TEXT_NODE || node->type == XML_ATTRIBUTE_NODE)
return (0);
WARNING ("curl_xml plugin: "
"Node \"%s\" doesn't seem to be a text node. Skipping...", node->name);
return -1;
} /* }}} cx_if_not_text_node */
static int cx_handle_single_value_xpath (xmlXPathContextPtr xpath_ctx, /* {{{ */
cx_xpath_t *xpath,
const data_set_t *ds, value_list_t *vl, int index)
{
xmlXPathObjectPtr values_node_obj;
xmlNodeSetPtr values_node;
int tmp_size;
char *node_value;
values_node_obj = cx_evaluate_xpath (xpath_ctx, BAD_CAST xpath->values[index].path);
if (values_node_obj == NULL)
return (-1); /* Error already logged. */
values_node = values_node_obj->nodesetval;
tmp_size = (values_node) ? values_node->nodeNr : 0;
if (tmp_size == 0)
{
WARNING ("curl_xml plugin: "
"relative xpath expression \"%s\" doesn't match any of the nodes. "
"Skipping...", xpath->values[index].path);
xmlXPathFreeObject (values_node_obj);
return (-1);
}
if (tmp_size > 1)
{
WARNING ("curl_xml plugin: "
"relative xpath expression \"%s\" is expected to return "
"only one node. Skipping...", xpath->values[index].path);
xmlXPathFreeObject (values_node_obj);
return (-1);
}
/* ignoring the element if other than textnode/attribute*/
if (cx_if_not_text_node(values_node->nodeTab[0]))
{
WARNING ("curl_xml plugin: "
"relative xpath expression \"%s\" is expected to return "
"only text/attribute node which is not the case. Skipping...",
xpath->values[index].path);
xmlXPathFreeObject (values_node_obj);
return (-1);
}
node_value = (char *) xmlNodeGetContent(values_node->nodeTab[0]);
switch (ds->ds[index].type)
{
case DS_TYPE_COUNTER:
vl->values[index].counter = (counter_t) strtoull (node_value,
/* endptr = */ NULL, /* base = */ 0);
break;
case DS_TYPE_DERIVE:
vl->values[index].derive = (derive_t) strtoll (node_value,
/* endptr = */ NULL, /* base = */ 0);
break;
case DS_TYPE_ABSOLUTE:
vl->values[index].absolute = (absolute_t) strtoull (node_value,
/* endptr = */ NULL, /* base = */ 0);
break;
case DS_TYPE_GAUGE:
vl->values[index].gauge = (gauge_t) strtod (node_value,
/* endptr = */ NULL);
}
/* free up object */
xmlXPathFreeObject (values_node_obj);
/* We have reached here which means that
* we have got something to work */
return (0);
} /* }}} int cx_handle_single_value_xpath */
static int cx_handle_all_value_xpaths (xmlXPathContextPtr xpath_ctx, /* {{{ */
cx_xpath_t *xpath,
const data_set_t *ds, value_list_t *vl)
{
value_t values[xpath->values_len];
int status;
int i;
assert (xpath->values_len > 0);
assert (xpath->values_len == vl->values_len);
assert (xpath->values_len == ds->ds_num);
vl->values = values;
for (i = 0; i < xpath->values_len; i++)
{
status = cx_handle_single_value_xpath (xpath_ctx, xpath, ds, vl, i);
if (status != 0)
return (-1); /* An error has been printed. */
} /* for (i = 0; i < xpath->values_len; i++) */
plugin_dispatch_values (vl);
vl->values = NULL;
return (0);
} /* }}} int cx_handle_all_value_xpaths */
static int cx_handle_instance_xpath (xmlXPathContextPtr xpath_ctx, /* {{{ */
cx_xpath_t *xpath, value_list_t *vl,
_Bool is_table)
{
xmlXPathObjectPtr instance_node_obj = NULL;
xmlNodeSetPtr instance_node = NULL;
memset (vl->type_instance, 0, sizeof (vl->type_instance));
/* If the base xpath returns more than one block, the result is assumed to be
* a table. The `Instnce' option is not optional in this case. Check for the
* condition and inform the user. */
if (is_table && (vl->type_instance == NULL))
{
WARNING ("curl_xml plugin: "
"Base-XPath %s is a table (more than one result was returned), "
"but no instance-XPath has been defined.",
xpath->path);
return (-1);
}
/* instance has to be an xpath expression */
if (xpath->instance != NULL)
{
int tmp_size;
instance_node_obj = cx_evaluate_xpath (xpath_ctx, BAD_CAST xpath->instance);
if (instance_node_obj == NULL)
return (-1); /* error is logged already */
instance_node = instance_node_obj->nodesetval;
tmp_size = (instance_node) ? instance_node->nodeNr : 0;
if ( (tmp_size == 0) && (is_table) )
{
WARNING ("curl_xml plugin: "
"relative xpath expression for 'InstanceFrom' \"%s\" doesn't match "
"any of the nodes. Skipping the node.", xpath->instance);
xmlXPathFreeObject (instance_node_obj);
return (-1);
}
if (tmp_size > 1)
{
WARNING ("curl_xml plugin: "
"relative xpath expression for 'InstanceFrom' \"%s\" is expected "
"to return only one text node. Skipping the node.", xpath->instance);
xmlXPathFreeObject (instance_node_obj);
return (-1);
}
/* ignoring the element if other than textnode/attribute */
if (cx_if_not_text_node(instance_node->nodeTab[0]))
{
WARNING ("curl_xml plugin: "
"relative xpath expression \"%s\" is expected to return only text node "
"which is not the case. Skipping the node.", xpath->instance);
xmlXPathFreeObject (instance_node_obj);
return (-1);
}
} /* if (xpath->instance != NULL) */
if (xpath->instance_prefix != NULL)
{
if (instance_node != NULL)
ssnprintf (vl->type_instance, sizeof (vl->type_instance),"%s%s",
xpath->instance_prefix, (char *) xmlNodeGetContent(instance_node->nodeTab[0]));
else
sstrncpy (vl->type_instance, xpath->instance_prefix,
sizeof (vl->type_instance));
}
else
{
/* If instance_prefix and instance_node are NULL, then
* don't set the type_instance */
if (instance_node != NULL)
sstrncpy (vl->type_instance, (char *) xmlNodeGetContent(instance_node->nodeTab[0]),
sizeof (vl->type_instance));
}
/* Free `instance_node_obj' this late, because `instance_node' points to
* somewhere inside this structure. */
xmlXPathFreeObject (instance_node_obj);
return (0);
} /* }}} int cx_handle_instance_xpath */
static int cx_handle_base_xpath (char *plugin_instance, /* {{{ */
xmlXPathContextPtr xpath_ctx, const data_set_t *ds,
char *base_xpath, cx_xpath_t *xpath)
{
int total_nodes;
int i;
xmlXPathObjectPtr base_node_obj = NULL;
xmlNodeSetPtr base_nodes = NULL;
value_list_t vl = VALUE_LIST_INIT;
base_node_obj = cx_evaluate_xpath (xpath_ctx, BAD_CAST base_xpath);
if (base_node_obj == NULL)
return -1; /* error is logged already */
base_nodes = base_node_obj->nodesetval;
total_nodes = (base_nodes) ? base_nodes->nodeNr : 0;
if (total_nodes == 0)
{
ERROR ("curl_xml plugin: "
"xpath expression \"%s\" doesn't match any of the nodes. "
"Skipping the xpath block...", base_xpath);
xmlXPathFreeObject (base_node_obj);
return -1;
}
/* If base_xpath returned multiple results, then */
/* Instance in the xpath block is required */
if (total_nodes > 1 && xpath->instance == NULL)
{
ERROR ("curl_xml plugin: "
"InstanceFrom is must in xpath block since the base xpath expression \"%s\" "
"returned multiple results. Skipping the xpath block...", base_xpath);
return -1;
}
/* set the values for the value_list */
vl.values_len = ds->ds_num;
sstrncpy (vl.type, xpath->type, sizeof (vl.type));
sstrncpy (vl.plugin, "curl_xml", sizeof (vl.plugin));
sstrncpy (vl.host, hostname_g, sizeof (vl.host));
if (plugin_instance != NULL)
sstrncpy (vl.plugin_instance, plugin_instance, sizeof (vl.plugin_instance));
for (i = 0; i < total_nodes; i++)
{
int status;
xpath_ctx->node = base_nodes->nodeTab[i];
status = cx_handle_instance_xpath (xpath_ctx, xpath, &vl,
/* is_table = */ (total_nodes > 1));
if (status != 0)
continue; /* An error has already been reported. */
status = cx_handle_all_value_xpaths (xpath_ctx, xpath, ds, &vl);
if (status != 0)
continue; /* An error has been logged. */
} /* for (i = 0; i < total_nodes; i++) */
/* free up the allocated memory */
xmlXPathFreeObject (base_node_obj);
return (0);
} /* }}} cx_handle_base_xpath */
static int cx_handle_parsed_xml(xmlDocPtr doc, /* {{{ */
xmlXPathContextPtr xpath_ctx, cx_t *db)
{
llentry_t *le;
const data_set_t *ds;
cx_xpath_t *xpath;
int status=-1;
le = llist_head (db->list);
while (le != NULL)
{
/* get the ds */
xpath = (cx_xpath_t *) le->value;
ds = plugin_get_ds (xpath->type);
if ( (cx_check_type(ds, xpath) == 0) &&
(cx_handle_base_xpath(db->instance, xpath_ctx, ds, le->key, xpath) == 0) )
status = 0; /* we got atleast one success */
le = le->next;
} /* while (le != NULL) */
return status;
} /* }}} cx_handle_parsed_xml */
static int cx_parse_stats_xml(xmlChar* xml, cx_t *db) /* {{{ */
{
int status;
xmlDocPtr doc;
xmlXPathContextPtr xpath_ctx;
/* Load the XML */
doc = xmlParseDoc(xml);
if (doc == NULL)
{
ERROR ("curl_xml plugin: Failed to parse the xml document - %s", xml);
return (-1);
}
xpath_ctx = xmlXPathNewContext(doc);
if(xpath_ctx == NULL)
{
ERROR ("curl_xml plugin: Failed to create the xml context");
xmlFreeDoc(doc);
return (-1);
}
status = cx_handle_parsed_xml (doc, xpath_ctx, db);
/* Cleanup */
xmlXPathFreeContext(xpath_ctx);
xmlFreeDoc(doc);
return status;
} /* }}} cx_parse_stats_xml */
static int cx_curl_perform (cx_t *db, CURL *curl) /* {{{ */
{
int status;
long rc;
char *ptr;
char *url;
db->buffer_fill = 0;
status = curl_easy_perform (curl);
curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &url);
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &rc);
/* The response code is zero if a non-HTTP transport was used. */
if ((rc != 0) && (rc != 200))
{
ERROR ("curl_xml plugin: curl_easy_perform failed with response code %ld (%s)",
rc, url);
return (-1);
}
if (status != 0)
{
ERROR ("curl_xml plugin: curl_easy_perform failed with status %i: %s (%s)",
status, db->curl_errbuf, url);
return (-1);
}
ptr = db->buffer;
status = cx_parse_stats_xml(BAD_CAST ptr, db);
db->buffer_fill = 0;
return status;
} /* }}} int cx_curl_perform */
static int cx_read (user_data_t *ud) /* {{{ */
{
cx_t *db;
if ((ud == NULL) || (ud->data == NULL))
{
ERROR ("curl_xml plugin: cx_read: Invalid user data.");
return (-1);
}
db = (cx_t *) ud->data;
return cx_curl_perform (db, db->curl);
} /* }}} int cx_read */
/* Configuration handling functions {{{ */
static int cx_config_add_values (const char *name, cx_xpath_t *xpath, /* {{{ */
oconfig_item_t *ci)
{
int i;
if (ci->values_num < 1)
{
WARNING ("curl_xml plugin: `ValuesFrom' needs at least one argument.");
return (-1);
}
for (i = 0; i < ci->values_num; i++)
if (ci->values[i].type != OCONFIG_TYPE_STRING)
{
WARNING ("curl_xml plugin: `ValuesFrom' needs only string argument.");
return (-1);
}
sfree (xpath->values);
xpath->values_len = 0;
xpath->values = (cx_values_t *) malloc (sizeof (cx_values_t) * ci->values_num);
if (xpath->values == NULL)
return (-1);
xpath->values_len = ci->values_num;
/* populate cx_values_t structure */
for (i = 0; i < ci->values_num; i++)
{
xpath->values[i].path_len = sizeof (ci->values[i].value.string);
sstrncpy (xpath->values[i].path, ci->values[i].value.string, sizeof (xpath->values[i].path));
}
return (0);
} /* }}} cx_config_add_values */
static int cx_config_add_xpath (cx_t *db, /* {{{ */
oconfig_item_t *ci)
{
cx_xpath_t *xpath;
int status;
int i;
xpath = (cx_xpath_t *) malloc (sizeof (*xpath));
if (xpath == NULL)
{
ERROR ("curl_xml plugin: malloc failed.");
return (-1);
}
memset (xpath, 0, sizeof (*xpath));
status = cf_util_get_string (ci, &xpath->path);
if (status != 0)
{
sfree (xpath);
return (status);
}
/* error out if xpath->path is an empty string */
if (*xpath->path == 0)
{
ERROR ("curl_xml plugin: invalid xpath. "
"xpath value can't be an empty string");
return (-1);
}
status = 0;
for (i = 0; i < ci->children_num; i++)
{
oconfig_item_t *child = ci->children + i;
if (strcasecmp ("Type", child->key) == 0)
status = cf_util_get_string (child, &xpath->type);
else if (strcasecmp ("InstancePrefix", child->key) == 0)
status = cf_util_get_string (child, &xpath->instance_prefix);
else if (strcasecmp ("InstanceFrom", child->key) == 0)
status = cf_util_get_string (child, &xpath->instance);
else if (strcasecmp ("ValuesFrom", child->key) == 0)
status = cx_config_add_values ("ValuesFrom", xpath, child);
else
{
WARNING ("curl_xml plugin: Option `%s' not allowed here.", child->key);
status = -1;
}
if (status != 0)
break;
} /* for (i = 0; i < ci->children_num; i++) */
if (status == 0 && xpath->type == NULL)
{
WARNING ("curl_xml plugin: `Type' missing in `xpath' block.");
status = -1;
}
if (status == 0)
{
char *name;
llentry_t *le;
if (db->list == NULL)
{
db->list = llist_create();
if (db->list == NULL)
{
ERROR ("curl_xml plugin: list creation failed.");
return (-1);
}
}
name = strdup(xpath->path);
if (name == NULL)
{
ERROR ("curl_xml plugin: strdup failed.");
return (-1);
}
le = llentry_create (name, xpath);
if (le == NULL)
{
ERROR ("curl_xml plugin: llentry_create failed.");
return (-1);
}
llist_append (db->list, le);
}
return (status);
} /* }}} int cx_config_add_xpath */
/* Initialize db->curl */
static int cx_init_curl (cx_t *db) /* {{{ */
{
db->curl = curl_easy_init ();
if (db->curl == NULL)
{
ERROR ("curl_xml plugin: curl_easy_init failed.");
return (-1);
}
curl_easy_setopt (db->curl, CURLOPT_NOSIGNAL, 1);
curl_easy_setopt (db->curl, CURLOPT_WRITEFUNCTION, cx_curl_callback);
curl_easy_setopt (db->curl, CURLOPT_WRITEDATA, db);
curl_easy_setopt (db->curl, CURLOPT_USERAGENT,
PACKAGE_NAME"/"PACKAGE_VERSION);
curl_easy_setopt (db->curl, CURLOPT_ERRORBUFFER, db->curl_errbuf);
curl_easy_setopt (db->curl, CURLOPT_URL, db->url);
if (db->user != NULL)
{
size_t credentials_size;
credentials_size = strlen (db->user) + 2;
if (db->pass != NULL)
credentials_size += strlen (db->pass);
db->credentials = (char *) malloc (credentials_size);
if (db->credentials == NULL)
{
ERROR ("curl_xml plugin: malloc failed.");
return (-1);
}
ssnprintf (db->credentials, credentials_size, "%s:%s",
db->user, (db->pass == NULL) ? "" : db->pass);
curl_easy_setopt (db->curl, CURLOPT_USERPWD, db->credentials);
}
curl_easy_setopt (db->curl, CURLOPT_SSL_VERIFYPEER, db->verify_peer ? 1L : 0L);
curl_easy_setopt (db->curl, CURLOPT_SSL_VERIFYHOST,
db->verify_host ? 2L : 0L);
if (db->cacert != NULL)
curl_easy_setopt (db->curl, CURLOPT_CAINFO, db->cacert);
return (0);
} /* }}} int cx_init_curl */
static int cx_config_add_url (oconfig_item_t *ci) /* {{{ */
{
cx_t *db;
int status = 0;
int i;
if ((ci->values_num != 1)
|| (ci->values[0].type != OCONFIG_TYPE_STRING))
{
WARNING ("curl_xml plugin: The `URL' block "
"needs exactly one string argument.");
return (-1);
}
db = (cx_t *) malloc (sizeof (*db));
if (db == NULL)
{
ERROR ("curl_xml plugin: malloc failed.");
return (-1);
}
memset (db, 0, sizeof (*db));
if (strcasecmp ("URL", ci->key) == 0)
{
status = cf_util_get_string (ci, &db->url);
if (status != 0)
{
sfree (db);
return (status);
}
}
else
{
ERROR ("curl_xml plugin: cx_config: "
"Invalid key: %s", ci->key);
return (-1);
}
/* Fill the `cx_t' structure.. */
for (i = 0; i < ci->children_num; i++)
{
oconfig_item_t *child = ci->children + i;
if (strcasecmp ("Instance", child->key) == 0)
status = cf_util_get_string (child, &db->instance);
else if (strcasecmp ("Host", child->key) == 0)
status = cf_util_get_string (child, &db->host);
else if (strcasecmp ("User", child->key) == 0)
status = cf_util_get_string (child, &db->user);
else if (strcasecmp ("Password", child->key) == 0)
status = cf_util_get_string (child, &db->pass);
else if (strcasecmp ("VerifyPeer", child->key) == 0)
status = cf_util_get_boolean (child, &db->verify_peer);
else if (strcasecmp ("VerifyHost", child->key) == 0)
status = cf_util_get_boolean (child, &db->verify_host);
else if (strcasecmp ("CACert", child->key) == 0)
status = cf_util_get_string (child, &db->cacert);
else if (strcasecmp ("xpath", child->key) == 0)
status = cx_config_add_xpath (db, child);
else
{
WARNING ("curl_xml plugin: Option `%s' not allowed here.", child->key);
status = -1;
}
if (status != 0)
break;
}
if (status == 0)
{
if (db->list == NULL)
{
WARNING ("curl_xml plugin: No (valid) `Key' block "
"within `URL' block `%s'.", db->url);
status = -1;
}
if (status == 0)
status = cx_init_curl (db);
}
/* If all went well, register this database for reading */
if (status == 0)
{
user_data_t ud;
char cb_name[DATA_MAX_NAME_LEN];
if (db->instance == NULL)
db->instance = strdup("default");
DEBUG ("curl_xml plugin: Registering new read callback: %s",
db->instance);
memset (&ud, 0, sizeof (ud));
ud.data = (void *) db;
ud.free_func = cx_free;
ssnprintf (cb_name, sizeof (cb_name), "curl_xml-%s-%s",
db->instance, db->url);
plugin_register_complex_read (/* group = */ NULL, cb_name, cx_read,
/* interval = */ NULL, &ud);
}
else
{
cx_free (db);
return (-1);
}
return (0);
} /* }}} int cx_config_add_url */
/* }}} End of configuration handling functions */
static int cx_config (oconfig_item_t *ci) /* {{{ */
{
int success;
int errors;
int status;
int i;
success = 0;
errors = 0;
for (i = 0; i < ci->children_num; i++)
{
oconfig_item_t *child = ci->children + i;
if (strcasecmp ("URL", child->key) == 0)
{
status = cx_config_add_url (child);
if (status == 0)
success++;
else
errors++;
}
else
{
WARNING ("curl_xml plugin: Option `%s' not allowed here.", child->key);
errors++;
}
}
if ((success == 0) && (errors > 0))
{
ERROR ("curl_xml plugin: All statements failed.");
return (-1);
}
return (0);
} /* }}} int cx_config */
void module_register (void)
{
plugin_register_complex_config ("curl_xml", cx_config);
} /* void module_register */
/* vim: set sw=2 sts=2 et fdm=marker : */
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