/**
* collectd - src/apache.c
- * Copyright (C) 2006 Florian octo Forster
+ * 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
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
+ * 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
*
* Authors:
* 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 "plugin.h"
#include "configfile.h"
-#define MODULE_NAME "apache"
-
-#if HAVE_LIBCURL && HAVE_CURL_CURL_H
-# define APACHE_HAVE_READ 1
-# include <curl/curl.h>
-#else
-# define APACHE_HAVE_READ 0
-#endif
-
-static char *url = NULL;
-static char *user = NULL;
-static char *pass = NULL;
-static char *cacert = NULL;
-
-#if HAVE_LIBCURL
-static CURL *curl = NULL;
-
-#define ABUFFER_SIZE 16384
-static char apache_buffer[ABUFFER_SIZE];
-static int apache_buffer_len = 0;
-static char apache_curl_error[CURL_ERROR_SIZE];
-#endif /* HAVE_LIBCURL */
-
-/* Limit to 2^27 bytes/s. That's what a gigabit-ethernet link can handle, in
- * theory. */
-static char *bytes_file = "apache/apache_bytes.rrd";
-static char *bytes_ds_def[] =
-{
- "DS:count:COUNTER:"COLLECTD_HEARTBEAT":0:134217728",
- NULL
-};
-static int bytes_ds_num = 1;
+#include <curl/curl.h>
-/* Limit to 2^20 requests/s */
-static char *requests_file = "apache/apache_requests.rrd";
-static char *requests_ds_def[] =
+enum server_enum
{
- "DS:count:COUNTER:"COLLECTD_HEARTBEAT":0:1048576",
- NULL
+ APACHE = 0,
+ LIGHTTPD
};
-static int requests_ds_num = 1;
-static char *scoreboard_file = "apache/apache_scoreboard-%s.rrd";
-static char *scoreboard_ds_def[] =
+struct apache_s
{
- "DS:count:GAUGE:"COLLECTD_HEARTBEAT":0:U",
- NULL
-};
-static int scoreboard_ds_num = 1;
-
-static char *config_keys[] =
+ 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)
{
- "URL",
- "User",
- "Password",
- "CACert",
- NULL
-};
-static int config_keys_num = 4;
+ 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 */
-#if HAVE_LIBCURL
-static size_t apache_curl_callback (void *buf, size_t size, size_t nmemb, void *stream)
+static size_t apache_curl_callback (void *buf, size_t size, size_t nmemb,
+ void *user_data)
{
size_t len = size * nmemb;
+ apache_t *st;
- if ((apache_buffer_len + len) >= ABUFFER_SIZE)
+ st = user_data;
+ if (st == NULL)
{
- len = (ABUFFER_SIZE - 1) - apache_buffer_len;
+ ERROR ("apache plugin: apache_curl_callback: "
+ "user_data pointer is NULL.");
+ return (0);
}
if (len <= 0)
return (len);
- memcpy (apache_buffer + apache_buffer_len, (char *) buf, len);
- apache_buffer_len += len;
- apache_buffer[apache_buffer_len] = '\0';
+ if ((st->apache_buffer_fill + len) >= st->apache_buffer_size)
+ {
+ char *temp;
+
+ temp = (char *) realloc (st->apache_buffer,
+ st->apache_buffer_fill + len + 1);
+ if (temp == NULL)
+ {
+ ERROR ("apache plugin: realloc failed.");
+ return (0);
+ }
+ st->apache_buffer = temp;
+ st->apache_buffer_size = st->apache_buffer_fill + len + 1;
+ }
+
+ 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);
-}
-#endif /* HAVE_LIBCURL */
+} /* int apache_curl_callback */
-static int config_set (char **var, 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;
-static int config (char *key, char *value)
+ hdr += strlen ("Server: ");
+ NOTICE ("apache plugin: Unknown server software: %s", hdr);
+ }
+
+ 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, "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);
+ }
-static void init (void)
+ if (*ret_string != NULL)
+ free (*ret_string);
+ *ret_string = string;
+
+ return (0);
+} /* }}} int config_set_string */
+
+static int config_set_boolean (int *ret_boolean, /* {{{ */
+ oconfig_item_t *ci)
{
-#if HAVE_LIBCURL
- 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 (curl != 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) */
{
- curl_easy_cleanup (curl);
+ char *string = ci->values[0].value.string;
+ if (IS_TRUE (string))
+ *ret_boolean = 1;
+ else if (IS_FALSE (string))
+ *ret_boolean = 0;
+ else
+ {
+ ERROR ("apache plugin: Cannot parse string "
+ "as boolean value: %s", string);
+ return (-1);
+ }
}
- if ((curl = curl_easy_init ()) == NULL)
+ 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))
{
- syslog (LOG_ERR, "apache: `curl_easy_init' failed.");
- return;
+ WARNING ("apache plugin: The `%s' config option "
+ "needs exactly one string argument.", ci->key);
+ return (-1);
+ }
+
+ st = (apache_t *) malloc (sizeof (*st));
+ if (st == NULL)
+ {
+ ERROR ("apache plugin: malloc failed.");
+ 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);
+ memset (st, 0, sizeof (*st));
- if (user != NULL)
+ status = config_set_string (&st->name, ci);
+ if (status != 0)
{
- if (snprintf (credentials, 1024, "%s:%s", user, pass == NULL ? "" : pass) >= 1024)
+ 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
{
- syslog (LOG_ERR, "apache: Credentials would have been truncated.");
- return;
+ WARNING ("apache plugin: Option `%s' not allowed here.",
+ child->key);
+ status = -1;
}
- curl_easy_setopt (curl, CURLOPT_USERPWD, credentials);
+ if (status != 0)
+ break;
}
- if (url != NULL)
+ /* Check if struct is complete.. */
+ if ((status == 0) && (st->url == NULL))
{
- curl_easy_setopt (curl, CURLOPT_URL, url);
+ ERROR ("apache plugin: Instance `%s': "
+ "No URL has been configured.",
+ st->name);
+ status = -1;
}
- if (cacert != NULL)
+ if (status == 0)
{
- curl_easy_setopt (curl, CURLOPT_CAINFO, cacert);
+ 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);
}
-#endif /* HAVE_LIBCURL */
-}
-static void bytes_write (char *host, char *inst, char *val)
-{
- rrd_update_file (host, bytes_file, val, bytes_ds_def, bytes_ds_num);
-}
+ if (status != 0)
+ {
+ apache_free(st);
+ return (-1);
+ }
-static void requests_write (char *host, char *inst, char *val)
-{
- rrd_update_file (host, requests_file, val, requests_ds_def, requests_ds_num);
-}
+ return (0);
+} /* int config_add */
-static void scoreboard_write (char *host, char *inst, char *val)
+static int config (oconfig_item_t *ci)
{
- char buf[1024];
+ int status = 0;
+ int i;
+ oconfig_item_t *lci = NULL; /* legacy config */
- if (snprintf (buf, 1024, scoreboard_file, inst) >= 1024)
- return;
+ for (i = 0; i < ci->children_num; i++)
+ {
+ oconfig_item_t *child = ci->children + i;
- rrd_update_file (host, buf, val, scoreboard_ds_def, scoreboard_ds_num);
-}
+ 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 APACHE_HAVE_READ
-static void submit (char *type, char *inst, long long value)
+ 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) /* {{{ */
{
- char buf[1024];
- int status;
+ static char credentials[1024];
- status = snprintf (buf, 1024, "%u:%lli", (unsigned int) curtime, value);
- if (status < 0)
+ assert (st->url != NULL);
+ /* (Assured by `config_add') */
+
+ if (st->curl != NULL)
{
- syslog (LOG_ERR, "apache: bytes_submit: snprintf failed");
- return;
+ curl_easy_cleanup (st->curl);
+ st->curl = NULL;
}
- else if (status >= 1024)
+
+ if ((st->curl = curl_easy_init ()) == NULL)
{
- syslog (LOG_WARNING, "apache: bytes_submit: snprintf was truncated");
- return;
+ ERROR ("apache plugin: init_host: `curl_easy_init' failed.");
+ return (-1);
}
- plugin_submit (type, inst, buf);
-}
+ 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",
+ st->user, (st->pass == NULL) ? "" : st->pass);
+ if ((status < 0) || ((size_t) status >= sizeof (credentials)))
+ {
+ 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 (st->curl, CURLOPT_USERPWD, credentials);
+ }
+
+ curl_easy_setopt (st->curl, CURLOPT_URL, st->url);
+ curl_easy_setopt (st->curl, CURLOPT_FOLLOWLOCATION, 1);
+
+ if (st->verify_peer != 0)
+ {
+ curl_easy_setopt (st->curl, CURLOPT_SSL_VERIFYPEER, 1);
+ }
+ else
+ {
+ curl_easy_setopt (st->curl, CURLOPT_SSL_VERIFYPEER, 0);
+ }
+
+ if (st->verify_host != 0)
+ {
+ curl_easy_setopt (st->curl, CURLOPT_SSL_VERIFYHOST, 2);
+ }
+ else
+ {
+ curl_easy_setopt (st->curl, CURLOPT_SSL_VERIFYHOST, 0);
+ }
-static void submit_scoreboard (char *buf)
+ if (st->cacert != NULL)
+ {
+ curl_easy_setopt (st->curl, CURLOPT_CAINFO, st->cacert);
+ }
+
+ return (0);
+} /* }}} int init_host */
+
+static void submit_value (const char *type, const char *type_instance,
+ value_t value, apache_t *st)
+{
+ value_list_t vl = VALUE_LIST_INIT;
+
+ vl.values = &value;
+ vl.values_len = 1;
+
+ sstrncpy (vl.host, (st->host != NULL) ? st->host : hostname_g,
+ sizeof (vl.host));
+
+ sstrncpy (vl.plugin, "apache", sizeof (vl.plugin));
+ 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 g, apache_t *st)
+{
+ value_t v;
+ v.gauge = g;
+ submit_value (type, type_instance, v, st);
+} /* void submit_gauge */
+
+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 ("apache_scoreboard", "open" , open);
- submit ("apache_scoreboard", "waiting" , waiting);
- submit ("apache_scoreboard", "starting" , starting);
- submit ("apache_scoreboard", "reading" , reading);
- submit ("apache_scoreboard", "sending" , sending);
- submit ("apache_scoreboard", "keepalive", keepalive);
- submit ("apache_scoreboard", "dnslookup", dnslookup);
- submit ("apache_scoreboard", "closing" , closing);
- submit ("apache_scoreboard", "logging" , logging);
- submit ("apache_scoreboard", "finishing", finishing);
- submit ("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 void apache_read (void)
+static int apache_read_host (user_data_t *user_data) /* {{{ */
{
int i;
char *ptr;
+ char *saveptr;
char *lines[16];
int lines_num = 0;
char *fields[4];
int fields_num;
- if (curl == NULL)
- return;
- if (url == NULL)
- return;
+ apache_t *st;
- apache_buffer_len = 0;
- if (curl_easy_perform (curl) != 0)
+ st = user_data->data;
+
+ assert (st->url != NULL);
+ /* (Assured by `config_add') */
+
+ if (st->curl == NULL)
{
- syslog (LOG_WARNING, "apache: curl_easy_perform failed: %s", apache_curl_error);
- return;
+ int status;
+
+ status = init_host (st);
+ if (status != 0)
+ return (-1);
}
+ assert (st->curl != NULL);
- ptr = apache_buffer;
- while ((lines[lines_num] = strtok (ptr, "\n\r")) != NULL)
+ st->apache_buffer_fill = 0;
+ if (curl_easy_perform (st->curl) != 0)
+ {
+ ERROR ("apache: curl_easy_perform failed: %s",
+ st->apache_curl_error);
+ return (-1);
+ }
+
+ /* 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)
{
ptr = NULL;
lines_num++;
{
if ((strcmp (fields[0], "Total") == 0)
&& (strcmp (fields[1], "Accesses:") == 0))
- submit ("apache_requests", NULL, atoll (fields[2]));
+ submit_counter ("apache_requests", "",
+ atoll (fields[2]), st);
else if ((strcmp (fields[0], "Total") == 0)
&& (strcmp (fields[1], "kBytes:") == 0))
- submit ("apache_bytes", NULL, 1024LL * atoll (fields[2]));
+ submit_counter ("apache_bytes", "",
+ 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]), st);
}
}
- apache_buffer_len = 0;
-}
-#else
-# define apache_read NULL
-#endif /* APACHE_HAVE_READ */
+ st->apache_buffer_fill = 0;
+
+ return (0);
+} /* }}} int apache_read_host */
void module_register (void)
{
- plugin_register (MODULE_NAME, init, apache_read, NULL);
- plugin_register ("apache_requests", NULL, NULL, requests_write);
- plugin_register ("apache_bytes", NULL, NULL, bytes_write);
- plugin_register ("apache_scoreboard", NULL, NULL, scoreboard_write);
- cf_register (MODULE_NAME, config, config_keys, config_keys_num);
-}
+ plugin_register_complex_config ("apache", config);
+} /* void module_register */
-#undef MODULE_NAME
+/* vim: set sw=8 noet fdm=marker : */