/**
* collectd - src/apache.c
- * Copyright (C) 2006-2008 Florian octo Forster
- * Copyright (C) 2007 Florent EppO Monbillard
+ * Copyright (C) 2006-2009 Florian octo Forster
+ * Copyright (C) 2007 Florent EppO Monbillard
+ * Copyright (C) 2009 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
* Florian octo Forster <octo at verplant.org>
* Florent EppO Monbillard <eppo at darox.net>
* - connections/lighttpd extension
+ * Amit Gupta <amit.gupta221 at gmail.com>
**/
#include "collectd.h"
#include <curl/curl.h>
-static char *url = NULL;
-static char *user = NULL;
-static char *pass = NULL;
-static char *verify_peer = NULL;
-static char *verify_host = NULL;
-static char *cacert = NULL;
-
-static CURL *curl = NULL;
-
-static char *apache_buffer = NULL;
-static size_t apache_buffer_size = 0;
-static size_t apache_buffer_fill = 0;
-static char apache_curl_error[CURL_ERROR_SIZE];
-
-static const char *config_keys[] =
+enum server_enum
{
- "URL",
- "User",
- "Password",
- "VerifyPeer",
- "VerifyHost",
- "CACert"
+ APACHE = 0,
+ LIGHTTPD
};
-static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
+
+struct apache_s
+{
+ int server_type;
+ char *name;
+ char *host;
+ char *url;
+ char *user;
+ char *pass;
+ int verify_peer;
+ int verify_host;
+ char *cacert;
+ char *server; /* user specific server type */
+ char *apache_buffer;
+ char apache_curl_error[CURL_ERROR_SIZE];
+ size_t apache_buffer_size;
+ size_t apache_buffer_fill;
+ CURL *curl;
+}; /* apache_s */
+
+typedef struct apache_s apache_t;
+
+/* TODO: Remove this prototype */
+static int apache_read_host (user_data_t *user_data);
+
+static void apache_free (apache_t *st)
+{
+ if (st == NULL)
+ return;
+
+ sfree (st->name);
+ sfree (st->host);
+ sfree (st->url);
+ sfree (st->user);
+ sfree (st->pass);
+ sfree (st->cacert);
+ sfree (st->server);
+ sfree (st->apache_buffer);
+ if (st->curl) {
+ curl_easy_cleanup(st->curl);
+ st->curl = NULL;
+ }
+} /* apache_free */
static size_t apache_curl_callback (void *buf, size_t size, size_t nmemb,
- void __attribute__((unused)) *stream)
+ void *user_data)
{
size_t len = size * nmemb;
+ apache_t *st;
+
+ st = user_data;
+ if (st == NULL)
+ {
+ ERROR ("apache plugin: apache_curl_callback: "
+ "user_data pointer is NULL.");
+ return (0);
+ }
if (len <= 0)
return (len);
- if ((apache_buffer_fill + len) >= apache_buffer_size)
+ if ((st->apache_buffer_fill + len) >= st->apache_buffer_size)
{
char *temp;
- temp = (char *) realloc (apache_buffer,
- apache_buffer_fill + len + 1);
+ temp = (char *) realloc (st->apache_buffer,
+ st->apache_buffer_fill + len + 1);
if (temp == NULL)
{
ERROR ("apache plugin: realloc failed.");
return (0);
}
- apache_buffer = temp;
- apache_buffer_size = apache_buffer_fill + len + 1;
+ st->apache_buffer = temp;
+ st->apache_buffer_size = st->apache_buffer_fill + len + 1;
}
- memcpy (apache_buffer + apache_buffer_fill, (char *) buf, len);
- apache_buffer_fill += len;
- apache_buffer[apache_buffer_fill] = 0;
+ memcpy (st->apache_buffer + st->apache_buffer_fill, (char *) buf, len);
+ st->apache_buffer_fill += len;
+ st->apache_buffer[st->apache_buffer_fill] = 0;
return (len);
-}
+} /* int apache_curl_callback */
-static int config_set (char **var, const char *value)
+static size_t apache_header_callback (void *buf, size_t size, size_t nmemb,
+ void *user_data)
{
- if (*var != NULL)
+ size_t len = size * nmemb;
+ apache_t *st;
+
+ st = user_data;
+ if (st == NULL)
{
- free (*var);
- *var = NULL;
+ ERROR ("apache plugin: apache_header_callback: "
+ "user_data pointer is NULL.");
+ return (0);
}
- if ((*var = strdup (value)) == NULL)
- return (1);
+ if (len <= 0)
+ return (len);
+
+ /* look for the Server header */
+ if (strncasecmp (buf, "Server: ", strlen ("Server: ")) != 0)
+ return (len);
+
+ if (strstr (buf, "Apache") != NULL)
+ st->server_type = APACHE;
+ else if (strstr (buf, "lighttpd") != NULL)
+ st->server_type = LIGHTTPD;
else
- return (0);
-}
+ {
+ const char *hdr = buf;
+
+ hdr += strlen ("Server: ");
+ NOTICE ("apache plugin: Unknown server software: %s", hdr);
+ }
-static int config (const char *key, const char *value)
+ return (len);
+} /* apache_header_callback */
+
+/* Configuration handling functiions
+ * <Plugin apache>
+ * <Instance "instance_name">
+ * URL ...
+ * </Instance>
+ * URL ...
+ * </Plugin>
+ */
+static int config_set_string (char **ret_string, /* {{{ */
+ oconfig_item_t *ci)
{
- if (strcasecmp (key, "url") == 0)
- return (config_set (&url, value));
- else if (strcasecmp (key, "user") == 0)
- return (config_set (&user, value));
- else if (strcasecmp (key, "password") == 0)
- return (config_set (&pass, value));
- else if (strcasecmp (key, "verifypeer") == 0)
- return (config_set (&verify_peer, value));
- else if (strcasecmp (key, "verifyhost") == 0)
- return (config_set (&verify_host, value));
- else if (strcasecmp (key, "cacert") == 0)
- return (config_set (&cacert, value));
- else
+ char *string;
+
+ if ((ci->values_num != 1)
+ || (ci->values[0].type != OCONFIG_TYPE_STRING))
+ {
+ WARNING ("apache plugin: The `%s' config option "
+ "needs exactly one string argument.", ci->key);
return (-1);
-}
+ }
+
+ string = strdup (ci->values[0].value.string);
+ if (string == NULL)
+ {
+ ERROR ("apache plugin: strdup failed.");
+ return (-1);
+ }
+
+ if (*ret_string != NULL)
+ free (*ret_string);
+ *ret_string = string;
+
+ return (0);
+} /* }}} int config_set_string */
-static int init (void)
+static int config_set_boolean (int *ret_boolean, /* {{{ */
+ oconfig_item_t *ci)
{
- static char credentials[1024];
+ if ((ci->values_num != 1)
+ || ((ci->values[0].type != OCONFIG_TYPE_BOOLEAN)
+ && (ci->values[0].type != OCONFIG_TYPE_STRING)))
+ {
+ WARNING ("apache plugin: The `%s' config option "
+ "needs exactly one boolean argument.", ci->key);
+ return (-1);
+ }
- if (url == NULL)
+ if (ci->values[0].type != OCONFIG_TYPE_BOOLEAN)
+ {
+ if (ci->values[0].value.boolean)
+ *ret_boolean = 1;
+ else
+ *ret_boolean = 0;
+ }
+ else /* if (ci->values[0].type != OCONFIG_TYPE_STRING) */
{
- WARNING ("apache plugin: init: No URL configured, returning "
- "an error.");
+ char *string = ci->values[0].value.string;
+ if ((strcasecmp ("true", string) == 0)
+ || (strcasecmp ("yes", string) == 0)
+ || (strcasecmp ("on", string) == 0))
+ *ret_boolean = 1;
+ else if ((strcasecmp ("false", string) == 0)
+ || (strcasecmp ("no", string) == 0)
+ || (strcasecmp ("off", string) == 0))
+ *ret_boolean = 0;
+ else
+ {
+ ERROR ("apache plugin: Cannot parse string "
+ "as boolean value: %s", string);
+ return (-1);
+ }
+ }
+
+ return (0);
+} /* }}} int config_set_boolean */
+
+static int config_add (oconfig_item_t *ci)
+{
+ apache_t *st;
+ int i;
+ int status;
+
+ if ((ci->values_num != 1)
+ || (ci->values[0].type != OCONFIG_TYPE_STRING))
+ {
+ WARNING ("apache plugin: The `%s' config option "
+ "needs exactly one string argument.", ci->key);
return (-1);
}
- if (curl != NULL)
+ st = (apache_t *) malloc (sizeof (*st));
+ if (st == NULL)
{
- curl_easy_cleanup (curl);
+ ERROR ("apache plugin: malloc failed.");
+ return (-1);
}
- if ((curl = curl_easy_init ()) == NULL)
+ memset (st, 0, sizeof (*st));
+
+ status = config_set_string (&st->name, ci);
+ if (status != 0)
{
- ERROR ("apache plugin: init: `curl_easy_init' failed.");
+ sfree (st);
+ return (status);
+ }
+ assert (st->name != NULL);
+
+ for (i = 0; i < ci->children_num; i++)
+ {
+ oconfig_item_t *child = ci->children + i;
+
+ if (strcasecmp ("URL", child->key) == 0)
+ status = config_set_string (&st->url, child);
+ else if (strcasecmp ("Host", child->key) == 0)
+ status = config_set_string (&st->host, child);
+ else if (strcasecmp ("User", child->key) == 0)
+ status = config_set_string (&st->user, child);
+ else if (strcasecmp ("Password", child->key) == 0)
+ status = config_set_string (&st->pass, child);
+ else if (strcasecmp ("VerifyPeer", child->key) == 0)
+ status = config_set_boolean (&st->verify_peer, child);
+ else if (strcasecmp ("VerifyHost", child->key) == 0)
+ status = config_set_boolean (&st->verify_host, child);
+ else if (strcasecmp ("CACert", child->key) == 0)
+ status = config_set_string (&st->cacert, child);
+ else if (strcasecmp ("Server", child->key) == 0)
+ status = config_set_string (&st->server, child);
+ else
+ {
+ WARNING ("apache plugin: Option `%s' not allowed here.",
+ child->key);
+ status = -1;
+ }
+
+ if (status != 0)
+ break;
+ }
+
+ /* Check if struct is complete.. */
+ if ((status == 0) && (st->url == NULL))
+ {
+ ERROR ("apache plugin: Instance `%s': "
+ "No URL has been configured.",
+ st->name);
+ status = -1;
+ }
+
+ if (status == 0)
+ {
+ user_data_t ud;
+ char callback_name[3*DATA_MAX_NAME_LEN];
+
+ memset (&ud, 0, sizeof (ud));
+ ud.data = st;
+ ud.free_func = (void *) apache_free;
+
+ memset (callback_name, 0, sizeof (callback_name));
+ ssnprintf (callback_name, sizeof (callback_name),
+ "apache/%s/%s",
+ (st->host != NULL) ? st->host : hostname_g,
+ (st->name != NULL) ? st->name : "default"),
+
+ status = plugin_register_complex_read (callback_name,
+ /* callback = */ apache_read_host,
+ /* interval = */ NULL,
+ /* user_data = */ &ud);
+ }
+
+ if (status != 0)
+ {
+ apache_free(st);
return (-1);
}
- curl_easy_setopt (curl, CURLOPT_WRITEFUNCTION, apache_curl_callback);
- curl_easy_setopt (curl, CURLOPT_USERAGENT, PACKAGE_NAME"/"PACKAGE_VERSION);
- curl_easy_setopt (curl, CURLOPT_ERRORBUFFER, apache_curl_error);
+ return (0);
+} /* int config_add */
- if (user != NULL)
+static int config (oconfig_item_t *ci)
+{
+ int status = 0;
+ int i;
+ oconfig_item_t *lci = NULL; /* legacy config */
+
+ for (i = 0; i < ci->children_num; i++)
+ {
+ oconfig_item_t *child = ci->children + i;
+
+ if (strcasecmp ("Instance", child->key) == 0 && child->children_num > 0)
+ config_add (child);
+ else
+ {
+ /* legacy mode - convert to <Instance ...> config */
+ if (lci == NULL)
+ {
+ lci = malloc (sizeof(*lci));
+ if (lci == NULL)
+ {
+ ERROR ("apache plugin: malloc failed.");
+ return (-1);
+ }
+ memset (lci, '\0', sizeof (*lci));
+ }
+
+ lci->children_num++;
+ lci->children =
+ realloc (lci->children,
+ lci->children_num * sizeof (*child));
+ if (lci->children == NULL)
+ {
+ ERROR ("apache plugin: realloc failed.");
+ return (-1);
+ }
+ memcpy (&lci->children[lci->children_num-1], child, sizeof (*child));
+ }
+ } /* for (ci->children) */
+
+ if (lci)
+ {
+ /* create a <Instance ""> entry */
+ lci->key = "Instance";
+ lci->values_num = 1;
+ lci->values = (oconfig_value_t *) malloc (lci->values_num * sizeof (oconfig_value_t));
+ lci->values[0].type = OCONFIG_TYPE_STRING;
+ lci->values[0].value.string = "";
+
+ status = config_add (lci);
+ sfree (lci->values);
+ sfree (lci->children);
+ sfree (lci);
+ }
+
+ return status;
+} /* int config */
+
+/* initialize curl for each host */
+static int init_host (apache_t *st) /* {{{ */
+{
+ static char credentials[1024];
+
+ assert (st->url != NULL);
+ /* (Assured by `config_add') */
+
+ if (st->curl != NULL)
+ {
+ curl_easy_cleanup (st->curl);
+ st->curl = NULL;
+ }
+
+ if ((st->curl = curl_easy_init ()) == NULL)
+ {
+ ERROR ("apache plugin: init_host: `curl_easy_init' failed.");
+ return (-1);
+ }
+
+ curl_easy_setopt (st->curl, CURLOPT_WRITEFUNCTION, apache_curl_callback);
+ curl_easy_setopt (st->curl, CURLOPT_WRITEDATA, st);
+
+ /* not set as yet if the user specified string doesn't match apache or
+ * lighttpd, then ignore it. Headers will be parsed to find out the
+ * server type */
+ st->server_type = -1;
+
+ if (st->server != NULL)
+ {
+ if (strcasecmp(st->server, "apache") == 0)
+ st->server_type = APACHE;
+ else if (strcasecmp(st->server, "lighttpd") == 0)
+ st->server_type = LIGHTTPD;
+ else
+ WARNING ("apache plugin: Unknown `Server' setting: %s",
+ st->server);
+ }
+
+ /* if not found register a header callback to determine the server_type */
+ if (st->server_type == -1)
+ {
+ curl_easy_setopt (st->curl, CURLOPT_HEADERFUNCTION, apache_header_callback);
+ curl_easy_setopt (st->curl, CURLOPT_WRITEHEADER, st);
+ }
+
+ curl_easy_setopt (st->curl, CURLOPT_USERAGENT, PACKAGE_NAME"/"PACKAGE_VERSION);
+ curl_easy_setopt (st->curl, CURLOPT_ERRORBUFFER, st->apache_curl_error);
+
+ if (st->user != NULL)
{
int status;
status = ssnprintf (credentials, sizeof (credentials), "%s:%s",
- user, (pass == NULL) ? "" : pass);
+ st->user, (st->pass == NULL) ? "" : st->pass);
if ((status < 0) || ((size_t) status >= sizeof (credentials)))
{
- ERROR ("apache plugin: init: Returning an error "
+ ERROR ("apache plugin: init_host: Returning an error "
"because the credentials have been "
"truncated.");
+ curl_easy_cleanup (st->curl);
+ st->curl = NULL;
return (-1);
}
- curl_easy_setopt (curl, CURLOPT_USERPWD, credentials);
+ curl_easy_setopt (st->curl, CURLOPT_USERPWD, credentials);
}
- curl_easy_setopt (curl, CURLOPT_URL, url);
- curl_easy_setopt (curl, CURLOPT_FOLLOWLOCATION, 1);
+ curl_easy_setopt (st->curl, CURLOPT_URL, st->url);
++ curl_easy_setopt (st->curl, CURLOPT_FOLLOWLOCATION, 1);
- if ((verify_peer == NULL) || (strcmp (verify_peer, "true") == 0))
+ if (st->verify_peer != 0)
{
- curl_easy_setopt (curl, CURLOPT_SSL_VERIFYPEER, 1);
+ curl_easy_setopt (st->curl, CURLOPT_SSL_VERIFYPEER, 1);
}
else
{
- curl_easy_setopt (curl, CURLOPT_SSL_VERIFYPEER, 0);
+ curl_easy_setopt (st->curl, CURLOPT_SSL_VERIFYPEER, 0);
}
- if ((verify_host == NULL) || (strcmp (verify_host, "true") == 0))
+ if (st->verify_host != 0)
{
- curl_easy_setopt (curl, CURLOPT_SSL_VERIFYHOST, 2);
+ curl_easy_setopt (st->curl, CURLOPT_SSL_VERIFYHOST, 2);
}
else
{
- curl_easy_setopt (curl, CURLOPT_SSL_VERIFYHOST, 0);
+ curl_easy_setopt (st->curl, CURLOPT_SSL_VERIFYHOST, 0);
}
- if (cacert != NULL)
+ if (st->cacert != NULL)
{
- curl_easy_setopt (curl, CURLOPT_CAINFO, cacert);
+ curl_easy_setopt (st->curl, CURLOPT_CAINFO, st->cacert);
}
return (0);
-} /* int init */
+} /* }}} int init_host */
-static void submit_counter (const char *type, const char *type_instance,
- counter_t value)
+static void submit_value (const char *type, const char *type_instance,
+ value_t value, apache_t *st)
{
- value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
- values[0].counter = value;
-
- vl.values = values;
+ vl.values = &value;
vl.values_len = 1;
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+
+ sstrncpy (vl.host, (st->host != NULL) ? st->host : hostname_g,
+ sizeof (vl.host));
+
sstrncpy (vl.plugin, "apache", sizeof (vl.plugin));
- sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
- sstrncpy (vl.type, type, sizeof (vl.type));
+ if (st->name != NULL)
+ sstrncpy (vl.plugin_instance, st->name,
+ 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);
+} /* void submit_value */
+
+static void submit_counter (const char *type, const char *type_instance,
+ counter_t c, apache_t *st)
+{
+ value_t v;
+ v.counter = c;
+ submit_value (type, type_instance, v, st);
} /* void submit_counter */
static void submit_gauge (const char *type, const char *type_instance,
- gauge_t value)
+ gauge_t g, apache_t *st)
{
- value_t values[1];
- value_list_t vl = VALUE_LIST_INIT;
-
- values[0].gauge = value;
+ value_t v;
+ v.gauge = g;
+ submit_value (type, type_instance, v, st);
+} /* void submit_gauge */
- vl.values = values;
- vl.values_len = 1;
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
- sstrncpy (vl.plugin, "apache", sizeof (vl.plugin));
- sstrncpy (vl.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);
-} /* void submit_counter */
-
-static void submit_scoreboard (char *buf)
+static void submit_scoreboard (char *buf, apache_t *st)
{
/*
* Scoreboard Key:
- * "_" Waiting for Connection, "S" Starting up, "R" Reading Request,
+ * "_" Waiting for Connection, "S" Starting up,
+ * "R" Reading Request for apache and read-POST for lighttpd,
* "W" Sending Reply, "K" Keepalive (read), "D" DNS Lookup,
* "C" Closing connection, "L" Logging, "G" Gracefully finishing,
* "I" Idle cleanup of worker, "." Open slot with no current process
+ * Lighttpd specific legends -
+ * "E" hard error, "." connect, "h" handle-request,
+ * "q" request-start, "Q" request-end, "s" response-start
+ * "S" response-end, "r" read
*/
long long open = 0LL;
long long waiting = 0LL;
long long finishing = 0LL;
long long idle_cleanup = 0LL;
- int i;
+ /* lighttpd specific */
+ long long hard_error = 0LL;
+ long long lighttpd_read = 0LL;
+ long long handle_request = 0LL;
+ long long request_start = 0LL;
+ long long request_end = 0LL;
+ long long response_start = 0LL;
+ long long response_end = 0LL;
+ int i;
for (i = 0; buf[i] != '\0'; i++)
{
if (buf[i] == '.') open++;
else if (buf[i] == 'L') logging++;
else if (buf[i] == 'G') finishing++;
else if (buf[i] == 'I') idle_cleanup++;
+ else if (buf[i] == 'r') lighttpd_read++;
+ else if (buf[i] == 'h') handle_request++;
+ else if (buf[i] == 'E') hard_error++;
+ else if (buf[i] == 'q') request_start++;
+ else if (buf[i] == 'Q') request_end++;
+ else if (buf[i] == 's') response_start++;
+ else if (buf[i] == 'S') response_end++;
}
- submit_gauge ("apache_scoreboard", "open" , open);
- submit_gauge ("apache_scoreboard", "waiting" , waiting);
- submit_gauge ("apache_scoreboard", "starting" , starting);
- submit_gauge ("apache_scoreboard", "reading" , reading);
- submit_gauge ("apache_scoreboard", "sending" , sending);
- submit_gauge ("apache_scoreboard", "keepalive", keepalive);
- submit_gauge ("apache_scoreboard", "dnslookup", dnslookup);
- submit_gauge ("apache_scoreboard", "closing" , closing);
- submit_gauge ("apache_scoreboard", "logging" , logging);
- submit_gauge ("apache_scoreboard", "finishing", finishing);
- submit_gauge ("apache_scoreboard", "idle_cleanup", idle_cleanup);
+ if (st->server_type == APACHE)
+ {
+ submit_gauge ("apache_scoreboard", "open" , open, st);
+ submit_gauge ("apache_scoreboard", "waiting" , waiting, st);
+ submit_gauge ("apache_scoreboard", "starting" , starting, st);
+ submit_gauge ("apache_scoreboard", "reading" , reading, st);
+ submit_gauge ("apache_scoreboard", "sending" , sending, st);
+ submit_gauge ("apache_scoreboard", "keepalive", keepalive, st);
+ submit_gauge ("apache_scoreboard", "dnslookup", dnslookup, st);
+ submit_gauge ("apache_scoreboard", "closing" , closing, st);
+ submit_gauge ("apache_scoreboard", "logging" , logging, st);
+ submit_gauge ("apache_scoreboard", "finishing", finishing, st);
+ submit_gauge ("apache_scoreboard", "idle_cleanup", idle_cleanup, st);
+ }
+ else
+ {
+ submit_gauge ("apache_scoreboard", "connect" , open, st);
+ submit_gauge ("apache_scoreboard", "close" , closing, st);
+ submit_gauge ("apache_scoreboard", "hard_error" , hard_error, st);
+ submit_gauge ("apache_scoreboard", "read" , lighttpd_read, st);
+ submit_gauge ("apache_scoreboard", "read_post" , reading, st);
+ submit_gauge ("apache_scoreboard", "write" , sending, st);
+ submit_gauge ("apache_scoreboard", "handle_request", handle_request, st);
+ submit_gauge ("apache_scoreboard", "request_start" , request_start, st);
+ submit_gauge ("apache_scoreboard", "request_end" , request_end, st);
+ submit_gauge ("apache_scoreboard", "response_start", response_start, st);
+ submit_gauge ("apache_scoreboard", "response_end" , response_end, st);
+ }
}
-static int apache_read (void)
+static int apache_read_host (user_data_t *user_data) /* {{{ */
{
int i;
char *fields[4];
int fields_num;
- if (curl == NULL)
- return (-1);
- if (url == NULL)
- return (-1);
+ apache_t *st;
+
+ st = user_data->data;
+
+ assert (st->url != NULL);
+ /* (Assured by `config_add') */
+
+ if (st->curl == NULL)
+ {
+ int status;
+
+ status = init_host (st);
+ if (status != 0)
+ return (-1);
+ }
+ assert (st->curl != NULL);
- apache_buffer_fill = 0;
- if (curl_easy_perform (curl) != 0)
+ st->apache_buffer_fill = 0;
+ if (curl_easy_perform (st->curl) != 0)
{
ERROR ("apache: curl_easy_perform failed: %s",
- apache_curl_error);
+ st->apache_curl_error);
return (-1);
}
- ptr = apache_buffer;
+ /* fallback - server_type to apache if not set at this time */
+ if (st->server_type == -1)
+ {
+ WARNING ("apache plugin: Unable to determine server software "
+ "automatically. Will assume Apache.");
+ st->server_type = APACHE;
+ }
+
+ ptr = st->apache_buffer;
saveptr = NULL;
while ((lines[lines_num] = strtok_r (ptr, "\n\r", &saveptr)) != NULL)
{
if ((strcmp (fields[0], "Total") == 0)
&& (strcmp (fields[1], "Accesses:") == 0))
submit_counter ("apache_requests", "",
- atoll (fields[2]));
+ atoll (fields[2]), st);
else if ((strcmp (fields[0], "Total") == 0)
&& (strcmp (fields[1], "kBytes:") == 0))
submit_counter ("apache_bytes", "",
- 1024LL * atoll (fields[2]));
+ 1024LL * atoll (fields[2]), st);
}
else if (fields_num == 2)
{
if (strcmp (fields[0], "Scoreboard:") == 0)
- submit_scoreboard (fields[1]);
+ submit_scoreboard (fields[1], st);
else if (strcmp (fields[0], "BusyServers:") == 0)
- submit_gauge ("apache_connections", NULL, atol (fields[1]));
+ submit_gauge ("apache_connections", NULL, atol (fields[1]), st);
}
}
- apache_buffer_fill = 0;
+ st->apache_buffer_fill = 0;
return (0);
-} /* int apache_read */
+} /* }}} int apache_read_host */
void module_register (void)
{
- plugin_register_config ("apache", config,
- config_keys, config_keys_num);
- plugin_register_init ("apache", init);
- plugin_register_read ("apache", apache_read);
+ plugin_register_complex_config ("apache", config);
} /* void module_register */
+
+/* vim: set sw=8 noet fdm=marker : */
# http://collectd.org/
#
+##############################################################################
+# Global #
+#----------------------------------------------------------------------------#
+# Global settings for the daemon. #
+##############################################################################
+
#Hostname "localhost"
FQDNLookup true
#BaseDir "@prefix@/var/lib/@PACKAGE_NAME@"
#Interval 10
#ReadThreads 5
-@BUILD_PLUGIN_LOGFILE_TRUE@LoadPlugin logfile
-@BUILD_PLUGIN_SYSLOG_TRUE@LoadPlugin syslog
+##############################################################################
+# Logging #
+#----------------------------------------------------------------------------#
+# Plugins which provide logging functions should be loaded first, so log #
+# messages generated when loading or configuring other plugins can be #
+# accessed. #
+##############################################################################
+
+@LOAD_PLUGIN_SYSLOG@LoadPlugin syslog
+@LOAD_PLUGIN_LOGFILE@LoadPlugin logfile
#<Plugin logfile>
-# LogLevel info
+# LogLevel @DEFAULT_LOG_LEVEL@
# File STDOUT
# Timestamp true
#</Plugin>
#<Plugin syslog>
-# LogLevel info
-#</Plugin>
-
-@BUILD_PLUGIN_APACHE_TRUE@LoadPlugin apache
-@BUILD_PLUGIN_APCUPS_TRUE@LoadPlugin apcups
-@BUILD_PLUGIN_APPLE_SENSORS_TRUE@LoadPlugin apple_sensors
-@BUILD_PLUGIN_ASCENT_TRUE@LoadPlugin ascent
-@BUILD_PLUGIN_BATTERY_TRUE@LoadPlugin battery
-@BUILD_PLUGIN_BIND_TRUE@LoadPlugin bind
-@BUILD_PLUGIN_CPU_TRUE@LoadPlugin cpu
-@BUILD_PLUGIN_CPUFREQ_TRUE@LoadPlugin cpufreq
-@BUILD_PLUGIN_CSV_TRUE@LoadPlugin csv
-@BUILD_PLUGIN_CURL_TRUE@LoadPlugin curl
-@BUILD_PLUGIN_DBI_TRUE@LoadPlugin dbi
-@BUILD_PLUGIN_DF_TRUE@LoadPlugin df
-@BUILD_PLUGIN_DISK_TRUE@LoadPlugin disk
-@BUILD_PLUGIN_DNS_TRUE@LoadPlugin dns
-@BUILD_PLUGIN_EMAIL_TRUE@LoadPlugin email
-@BUILD_PLUGIN_ENTROPY_TRUE@LoadPlugin entropy
-@BUILD_PLUGIN_EXEC_TRUE@LoadPlugin exec
-@BUILD_PLUGIN_FILECOUNT_TRUE@LoadPlugin filecount
-@BUILD_PLUGIN_HDDTEMP_TRUE@LoadPlugin hddtemp
-@BUILD_PLUGIN_INTERFACE_TRUE@LoadPlugin interface
-@BUILD_PLUGIN_IPTABLES_TRUE@LoadPlugin iptables
-@BUILD_PLUGIN_IPMI_TRUE@LoadPlugin ipmi
-@BUILD_PLUGIN_IPVS_TRUE@LoadPlugin ipvs
-@BUILD_PLUGIN_IRQ_TRUE@LoadPlugin irq
-@BUILD_PLUGIN_LIBVIRT_TRUE@LoadPlugin libvirt
-@BUILD_PLUGIN_LOAD_TRUE@LoadPlugin load
-@BUILD_PLUGIN_MBMON_TRUE@LoadPlugin mbmon
-@BUILD_PLUGIN_MEMCACHED_TRUE@LoadPlugin memcached
-@BUILD_PLUGIN_MEMORY_TRUE@LoadPlugin memory
-@BUILD_PLUGIN_MULTIMETER_TRUE@LoadPlugin multimeter
-@BUILD_PLUGIN_MYSQL_TRUE@LoadPlugin mysql
-@BUILD_PLUGIN_NETLINK_TRUE@LoadPlugin netlink
-@BUILD_PLUGIN_NETWORK_TRUE@LoadPlugin network
-@BUILD_PLUGIN_NFS_TRUE@LoadPlugin nfs
-@BUILD_PLUGIN_NGINX_TRUE@LoadPlugin nginx
-@BUILD_PLUGIN_NOTIFY_DESKTOP_TRUE@LoadPlugin notify_desktop
-@BUILD_PLUGIN_NOTIFY_EMAIL_TRUE@LoadPlugin notify_email
-@BUILD_PLUGIN_NTPD_TRUE@LoadPlugin ntpd
-@BUILD_PLUGIN_NUT_TRUE@LoadPlugin nut
-@BUILD_PLUGIN_ONEWIRE_TRUE@LoadPlugin onewire
-@BUILD_PLUGIN_OPENVPN_TRUE@LoadPlugin openvpn
-@BUILD_PLUGIN_ORACLE_TRUE@LoadPlugin oracle
-@BUILD_PLUGIN_PERL_TRUE@LoadPlugin perl
-@BUILD_PLUGIN_PING_TRUE@LoadPlugin ping
-@BUILD_PLUGIN_POSTGRESQL_TRUE@LoadPlugin postgresql
-@BUILD_PLUGIN_POWERDNS_TRUE@LoadPlugin powerdns
-@BUILD_PLUGIN_PROCESSES_TRUE@LoadPlugin processes
-@BUILD_PLUGIN_RRDCACHED_TRUE@LoadPlugin rrdcached
-@BUILD_PLUGIN_RRDTOOL_TRUE@LoadPlugin rrdtool
-@BUILD_PLUGIN_SENSORS_TRUE@LoadPlugin sensors
-@BUILD_PLUGIN_SERIAL_TRUE@LoadPlugin serial
-@BUILD_PLUGIN_SNMP_TRUE@LoadPlugin snmp
-@BUILD_PLUGIN_SWAP_TRUE@LoadPlugin swap
-@BUILD_PLUGIN_TAIL_TRUE@LoadPlugin tail
-@BUILD_PLUGIN_TAPE_TRUE@LoadPlugin tape
-@BUILD_PLUGIN_TCPCONNS_TRUE@LoadPlugin tcpconns
-@BUILD_PLUGIN_TEAMSPEAK2_TRUE@LoadPlugin teamspeak2
-@BUILD_PLUGIN_THERMAL_TRUE@LoadPlugin thermal
-@BUILD_PLUGIN_UNIXSOCK_TRUE@LoadPlugin unixsock
-@BUILD_PLUGIN_USERS_TRUE@LoadPlugin users
-#LoadPlugin uuid
-@BUILD_PLUGIN_VMEM_TRUE@LoadPlugin vmem
-@BUILD_PLUGIN_VSERVER_TRUE@LoadPlugin vserver
-@BUILD_PLUGIN_WIRELESS_TRUE@LoadPlugin wireless
-@BUILD_PLUGIN_XMMS_TRUE@LoadPlugin xmms
+# LogLevel @DEFAULT_LOG_LEVEL@
+#</Plugin>
+
+##############################################################################
+# LoadPlugin section #
+#----------------------------------------------------------------------------#
+# Lines beginning with a single `#' belong to plugins which have been built #
+# but are disabled by default. #
+# #
+# Lines begnning with `##' belong to plugins which have not been built due #
+# to missing dependencies or because they have been deactivated explicitly. #
+##############################################################################
+
+#@BUILD_PLUGIN_APACHE_TRUE@LoadPlugin apache
+#@BUILD_PLUGIN_APCUPS_TRUE@LoadPlugin apcups
+#@BUILD_PLUGIN_APPLE_SENSORS_TRUE@LoadPlugin apple_sensors
+#@BUILD_PLUGIN_ASCENT_TRUE@LoadPlugin ascent
+#@BUILD_PLUGIN_BATTERY_TRUE@LoadPlugin battery
+#@BUILD_PLUGIN_BIND_TRUE@LoadPlugin bind
+#@BUILD_PLUGIN_CONNTRACK_TRUE@LoadPlugin conntrack
+@BUILD_PLUGIN_CPU_TRUE@@BUILD_PLUGIN_CPU_TRUE@LoadPlugin cpu
+#@BUILD_PLUGIN_CPUFREQ_TRUE@LoadPlugin cpufreq
+@LOAD_PLUGIN_CSV@LoadPlugin csv
+#@BUILD_PLUGIN_CURL_TRUE@LoadPlugin curl
+#@BUILD_PLUGIN_DBI_TRUE@LoadPlugin dbi
+#@BUILD_PLUGIN_DF_TRUE@LoadPlugin df
+#@BUILD_PLUGIN_DISK_TRUE@LoadPlugin disk
+#@BUILD_PLUGIN_DNS_TRUE@LoadPlugin dns
+#@BUILD_PLUGIN_EMAIL_TRUE@LoadPlugin email
+#@BUILD_PLUGIN_ENTROPY_TRUE@LoadPlugin entropy
+#@BUILD_PLUGIN_EXEC_TRUE@LoadPlugin exec
+#@BUILD_PLUGIN_FILECOUNT_TRUE@LoadPlugin filecount
+#@BUILD_PLUGIN_FSCACHE_TRUE@LoadPlugin fscache
+#@BUILD_PLUGIN_GMOND_TRUE@LoadPlugin gmond
+#@BUILD_PLUGIN_HDDTEMP_TRUE@LoadPlugin hddtemp
+@BUILD_PLUGIN_INTERFACE_TRUE@@BUILD_PLUGIN_INTERFACE_TRUE@LoadPlugin interface
+#@BUILD_PLUGIN_IPTABLES_TRUE@LoadPlugin iptables
+#@BUILD_PLUGIN_IPMI_TRUE@LoadPlugin ipmi
+#@BUILD_PLUGIN_IPVS_TRUE@LoadPlugin ipvs
+#@BUILD_PLUGIN_IRQ_TRUE@LoadPlugin irq
+#@BUILD_PLUGIN_JAVA_TRUE@LoadPlugin java
+#@BUILD_PLUGIN_LIBVIRT_TRUE@LoadPlugin libvirt
+@BUILD_PLUGIN_LOAD_TRUE@@BUILD_PLUGIN_LOAD_TRUE@LoadPlugin load
+#@BUILD_PLUGIN_MBMON_TRUE@LoadPlugin mbmon
+#@BUILD_PLUGIN_MEMCACHEC_TRUE@LoadPlugin memcachec
+#@BUILD_PLUGIN_MEMCACHED_TRUE@LoadPlugin memcached
+@BUILD_PLUGIN_MEMORY_TRUE@@BUILD_PLUGIN_MEMORY_TRUE@LoadPlugin memory
+#@BUILD_PLUGIN_MULTIMETER_TRUE@LoadPlugin multimeter
+#@BUILD_PLUGIN_MYSQL_TRUE@LoadPlugin mysql
+#@BUILD_PLUGIN_NETLINK_TRUE@LoadPlugin netlink
+@LOAD_PLUGIN_NETWORK@LoadPlugin network
+#@BUILD_PLUGIN_NFS_TRUE@LoadPlugin nfs
+#@BUILD_PLUGIN_NGINX_TRUE@LoadPlugin nginx
+#@BUILD_PLUGIN_NOTIFY_DESKTOP_TRUE@LoadPlugin notify_desktop
+#@BUILD_PLUGIN_NOTIFY_EMAIL_TRUE@LoadPlugin notify_email
+#@BUILD_PLUGIN_NTPD_TRUE@LoadPlugin ntpd
+#@BUILD_PLUGIN_NUT_TRUE@LoadPlugin nut
+#@BUILD_PLUGIN_ONEWIRE_TRUE@LoadPlugin onewire
+#@BUILD_PLUGIN_OPENVPN_TRUE@LoadPlugin openvpn
+#@BUILD_PLUGIN_ORACLE_TRUE@LoadPlugin oracle
+#@BUILD_PLUGIN_PERL_TRUE@LoadPlugin perl
+#@BUILD_PLUGIN_PING_TRUE@LoadPlugin ping
+#@BUILD_PLUGIN_POSTGRESQL_TRUE@LoadPlugin postgresql
+#@BUILD_PLUGIN_POWERDNS_TRUE@LoadPlugin powerdns
+#@BUILD_PLUGIN_PROCESSES_TRUE@LoadPlugin processes
+#@BUILD_PLUGIN_PROTOCOLS_TRUE@LoadPlugin protocols
+#@BUILD_PLUGIN_RRDCACHED_TRUE@LoadPlugin rrdcached
+@LOAD_PLUGIN_RRDTOOL@LoadPlugin rrdtool
+#@BUILD_PLUGIN_SENSORS_TRUE@LoadPlugin sensors
+#@BUILD_PLUGIN_SERIAL_TRUE@LoadPlugin serial
+#@BUILD_PLUGIN_SNMP_TRUE@LoadPlugin snmp
+#@BUILD_PLUGIN_SWAP_TRUE@LoadPlugin swap
+#@BUILD_PLUGIN_TABLE_TRUE@LoadPlugin table
+#@BUILD_PLUGIN_TAIL_TRUE@LoadPlugin tail
+#@BUILD_PLUGIN_TAPE_TRUE@LoadPlugin tape
+#@BUILD_PLUGIN_TCPCONNS_TRUE@LoadPlugin tcpconns
+#@BUILD_PLUGIN_TEAMSPEAK2_TRUE@LoadPlugin teamspeak2
+#@BUILD_PLUGIN_TED_TRUE@LoadPlugin ted
+#@BUILD_PLUGIN_THERMAL_TRUE@LoadPlugin thermal
+#@BUILD_PLUGIN_UNIXSOCK_TRUE@LoadPlugin unixsock
+#@BUILD_PLUGIN_UPTIME_TRUE@LoadPlugin uptime
+#@BUILD_PLUGIN_USERS_TRUE@LoadPlugin users
+#@BUILD_PLUGIN_UUID_TRUE@LoadPlugin uuid
+#@BUILD_PLUGIN_VMEM_TRUE@LoadPlugin vmem
+#@BUILD_PLUGIN_VSERVER_TRUE@LoadPlugin vserver
+#@BUILD_PLUGIN_WIRELESS_TRUE@LoadPlugin wireless
+#@BUILD_PLUGIN_XMMS_TRUE@LoadPlugin xmms
+
+##############################################################################
+# Plugin configuration #
+#----------------------------------------------------------------------------#
+# In this section configuration stubs for each plugin are provided. A desc- #
+# ription of those options is available in the collectd.conf(5) manual page. #
+##############################################################################
#<Plugin apache>
# URL "http://localhost/status?auto"
# </Directory>
#</Plugin>
-@BUILD_PLUGIN_HDDTEMP_TRUE@<Plugin hddtemp>
-# Host "127.0.0.1"
-# Port "7634"
-@BUILD_PLUGIN_HDDTEMP_TRUE@ TranslateDevicename false
-@BUILD_PLUGIN_HDDTEMP_TRUE@</Plugin>
+#<Plugin "gmond">
+# MCReceiveFrom "239.2.11.71" "8649"
+# <Metric "swap_total">
+# Type "swap"
+# TypeInstance "total"
+# DataSource "value"
+# </Metric>
+# <Metric "swap_free">
+# Type "swap"
+# TypeInstance "free"
+# DataSource "value"
+# </Metric>
+#</Plugin>
+
+#<Plugin hddtemp>
+# Host "127.0.0.1"
+# Port "7634"
+#
+# #----------------------------------------------------------------#
+# # `TranslateDevicename' enables backwards compatibility behavior #
+# # and is enabled by default. Setting this option to `false' is #
+# # highly recommended. #
+# #----------------------------------------------------------------#
+# TranslateDevicename false
+#</Plugin>
#<Plugin interface>
# Interface "eth0"
# IgnoreSelected true
#</Plugin>
+#<Plugin "java">
+# JVMArg "-verbose:jni"
+# JVMArg "-Djava.class.path=/opt/collectd/lib/collectd/bindings/java"
+#
+# LoadPlugin "org.collectd.java.Foobar"
+# <Plugin "org.collectd.java.Foobar">
+# # To be parsed by the plugin
+# </Plugin>
+#</Plugin>
+
#<Plugin libvirt>
# Connection "xen:///"
# RefreshInterval 60
# Port "411"
#</Plugin>
+#<Plugin memcachec>
+# <Page "plugin_instance">
+# Server "localhost"
+# Key "page_key"
+# <Match>
+# Regex "(\\d+) bytes sent"
+# DSType CounterAdd
+# Type "ipt_octets"
+# Instance "type_instance"
+# </Match>
+# </Page>
+#</Plugin>
+
#<Plugin memcached>
# Host "127.0.0.1"
# Port "11211"
#</Plugin>
#<Plugin mysql>
-# Host "database.serv.er"
-# User "db_user"
-# Password "secret"
-# Database "db_name"
+# <Database db_name>
+# Host "database.serv.er"
+# User "db_user"
+# Password "secret"
+# Database "db_name"
+# MasterStats true
+# </Database>
+#
+# <Database db_name2>
+# Host "localhost"
+# Socket "/var/run/mysql/mysqld.sock"
+# SlaveStats true
+# SlaveNotifications true
+# </Database>
#</Plugin>
#<Plugin netlink>
# IgnoreSelected false
#</Plugin>
-# Server "ff18::efc0:4a42" "25826"
-# Server "239.192.74.66" "25826"
+
@LOAD_PLUGIN_NETWORK@<Plugin network>
+@LOAD_PLUGIN_NETWORK@ Server "ff18::efc0:4a42" "25826"
+@LOAD_PLUGIN_NETWORK@ Server "239.192.74.66" "25826"
# Listen "ff18::efc0:4a42" "25826"
# Listen "239.192.74.66" "25826"
# TimeToLive "128"
# Forward false
# CacheFlush 1800
-#</Plugin>
+@LOAD_PLUGIN_NETWORK@</Plugin>
#<Plugin nginx>
# URL "http://localhost/status?auto"
# Process "name"
#</Plugin>
+#<Plugin protocols>
+# Value "/^Tcp:/"
+# IgnoreSelected false
+#</Plugin>
+
#<Plugin rrdcached>
# DaemonAddress "unix:/tmp/rrdcached.sock"
# DataDir "@prefix@/var/lib/@PACKAGE_NAME@/rrd"
# Instance "IF-MIB::ifDescr"
# Values "IF-MIB::ifInOctets" "IF-MIB::ifOutOctets"
# </Data>
-#
+#
# <Host "some.switch.mydomain.org">
# Address "192.168.0.2"
# Version 1
# </Host>
#</Plugin>
+#<Plugin "table">
+# <Table "/proc/slabinfo">
+# Instance "slabinfo"
+# Separator " "
+# <Result>
+# Type gauge
+# InstancePrefix "active_objs"
+# InstancesFrom 0
+# ValuesFrom 1
+# </Result>
+# <Result>
+# Type gauge
+# InstancePrefix "objperslab"
+# InstancesFrom 0
+# ValuesFrom 4
+# </Result>
+# </Table>
+#</Plugin>
+
#<Plugin "tail">
# <File "/var/log/exim4/mainlog">
# Instance "exim"
# Server "8767"
#</Plugin>
+#<Plugin ted>
+# Device "/dev/ttyUSB0"
+# Retries 0
+#</Plugin>
+
#<Plugin thermal>
# ForceUseProcfs false
# Device "THRM"
# Verbose false
#</Plugin>
-# * * * * * * * * * * * * *
-# * FILTER CONFIGURATION *
-# * * * * * * * * * * * * *
-
-# The following configures collectd's filtering mechanism. Before changing
-# anything in this section, please read the `FILTER CONFIGURATION' section in
-# the collectd.conf(5) manual page.
+##############################################################################
+# Filter configuration #
+#----------------------------------------------------------------------------#
+# The following configures collectd's filtering mechanism. Before changing #
+# anything in this section, please read the `FILTER CONFIGURATION' section #
+# in the collectd.conf(5) manual page. #
+##############################################################################
# Load required matches:
#@BUILD_PLUGIN_MATCH_REGEX_TRUE@LoadPlugin match_regex
#@BUILD_PLUGIN_TARGET_NOTIFICATION_TRUE@LoadPlugin target_notification
#@BUILD_PLUGIN_TARGET_REPLACE_TRUE@LoadPlugin target_replace
#@BUILD_PLUGIN_TARGET_SET_TRUE@LoadPlugin target_set
-
-# The following block demonstrates the default behavior if no filtering is
-# configured at all: All values will be sent to all available write plugins.
+
+#----------------------------------------------------------------------------#
+# The following block demonstrates the default behavior if no filtering is #
+# configured at all: All values will be sent to all available write plugins. #
+#----------------------------------------------------------------------------#
- #<Chain "Main">
+ #<Chain "PostCache">
# Target "write"
#</Chain>
projects / collectd.git / commitdiff