X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fapache.c;h=280c687feebd79dcbb5c36ed80bce50d3c4ae844;hb=a00feb12d82ae2f46db99d0336b955f387f7f354;hp=0bf52d3158ace12554ae436c1a2bde3ce1c4946b;hpb=919edb829d0164937a771415c217237959e59c05;p=collectd.git diff --git a/src/apache.c b/src/apache.c index 0bf52d31..280c687f 100644 --- a/src/apache.c +++ b/src/apache.c @@ -1,6 +1,7 @@ /** * collectd - src/apache.c - * Copyright (C) 2006 Florian octo Forster + * Copyright (C) 2006-2008 Florian octo Forster + * Copyright (C) 2007 Florent EppO Monbillard * * 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 @@ -17,55 +18,17 @@ * * Authors: * Florian octo Forster + * Florent EppO Monbillard + * - connections/lighttpd extension **/ #include "collectd.h" #include "common.h" #include "plugin.h" #include "configfile.h" -#include "utils_debug.h" - -#if HAVE_LIBCURL && HAVE_CURL_CURL_H -# define APACHE_HAVE_READ 1 -# include -#else -# define APACHE_HAVE_READ 0 -#endif - -/* Limit to 2^27 bytes/s. That's what a gigabit-ethernet link can handle, in - * theory. */ -static data_source_t apache_bytes_dsrc[1] = -{ - {"count", DS_TYPE_COUNTER, 0, 134217728.0}, -}; -static data_set_t apache_bytes_ds = -{ - "apache_bytes", 1, apache_bytes_dsrc -}; +#include -/* Limit to 2^20 requests/s */ -static data_source_t apache_requests_dsrc[1] = -{ - {"count", DS_TYPE_COUNTER, 0, 134217728.0}, -}; - -static data_set_t apache_requests_ds = -{ - "apache_requests", 1, apache_requests_dsrc -}; - -static data_source_t apache_scoreboard_dsrc[1] = -{ - {"count", DS_TYPE_GAUGE, 0, 65535.0}, -}; - -static data_set_t apache_scoreboard_ds = -{ - "apache_scoreboard", 1, apache_scoreboard_dsrc -}; - -#if APACHE_HAVE_READ static char *url = NULL; static char *user = NULL; static char *pass = NULL; @@ -83,10 +46,9 @@ static const char *config_keys[] = "URL", "User", "Password", - "CACert", - NULL + "CACert" }; -static int config_keys_num = 4; +static int config_keys_num = STATIC_ARRAY_SIZE (config_keys); static size_t apache_curl_callback (void *buf, size_t size, size_t nmemb, void *stream) { @@ -139,6 +101,13 @@ static int init (void) { static char credentials[1024]; + if (url == NULL) + { + WARNING ("apache plugin: init: No URL configured, returning " + "an error."); + return (-1); + } + if (curl != NULL) { curl_easy_cleanup (curl); @@ -146,7 +115,7 @@ static int init (void) if ((curl = curl_easy_init ()) == NULL) { - syslog (LOG_ERR, "apache: `curl_easy_init' failed."); + ERROR ("apache plugin: init: `curl_easy_init' failed."); return (-1); } @@ -156,19 +125,23 @@ static int init (void) if (user != NULL) { - if (snprintf (credentials, 1024, "%s:%s", user, pass == NULL ? "" : pass) >= 1024) + int status; + + status = snprintf (credentials, sizeof (credentials), "%s:%s", + user, (pass == NULL) ? "" : pass); + if (status >= sizeof (credentials)) { - syslog (LOG_ERR, "apache: Credentials would have been truncated."); + ERROR ("apache plugin: init: Returning an error " + "because the credentials have been " + "truncated."); return (-1); } + credentials[sizeof (credentials) - 1] = '\0'; curl_easy_setopt (curl, CURLOPT_USERPWD, credentials); } - if (url != NULL) - { - curl_easy_setopt (curl, CURLOPT_URL, url); - } + curl_easy_setopt (curl, CURLOPT_URL, url); if (cacert != NULL) { @@ -179,45 +152,51 @@ static int init (void) } /* int init */ static void submit_counter (const char *type, const char *type_instance, - unsigned long long value) + counter_t value) { value_t values[1]; value_list_t vl = VALUE_LIST_INIT; - DBG ("type = %s; type_instance = %s; value = %llu;", - type, type_instance, value); - values[0].counter = value; vl.values = values; vl.values_len = 1; vl.time = time (NULL); - strcpy (vl.host, hostname); + strcpy (vl.host, hostname_g); strcpy (vl.plugin, "apache"); strcpy (vl.plugin_instance, ""); - strncpy (vl.type_instance, type_instance, sizeof (vl.type_instance)); + + if (type_instance != NULL) + { + strncpy (vl.type_instance, type_instance, + sizeof (vl.type_instance)); + vl.type_instance[sizeof (vl.type_instance) - 1] = '\0'; + } plugin_dispatch_values (type, &vl); } /* void submit_counter */ static void submit_gauge (const char *type, const char *type_instance, - double value) + gauge_t value) { value_t values[1]; value_list_t vl = VALUE_LIST_INIT; - DBG ("type = %s; type_instance = %s; value = %lf;", - type, type_instance, value); - values[0].gauge = value; vl.values = values; vl.values_len = 1; vl.time = time (NULL); - strcpy (vl.host, hostname); + strcpy (vl.host, hostname_g); strcpy (vl.plugin, "apache"); strcpy (vl.plugin_instance, ""); - strncpy (vl.type_instance, type_instance, sizeof (vl.type_instance)); + + if (type_instance != NULL) + { + strncpy (vl.type_instance, type_instance, + sizeof (vl.type_instance)); + vl.type_instance[sizeof (vl.type_instance) - 1] = '\0'; + } plugin_dispatch_values (type, &vl); } /* void submit_counter */ @@ -278,6 +257,7 @@ static int apache_read (void) int i; char *ptr; + char *saveptr; char *lines[16]; int lines_num = 0; @@ -292,13 +272,14 @@ static int apache_read (void) apache_buffer_len = 0; if (curl_easy_perform (curl) != 0) { - syslog (LOG_ERR, "apache: curl_easy_perform failed: %s", + ERROR ("apache: curl_easy_perform failed: %s", apache_curl_error); return (-1); } ptr = apache_buffer; - while ((lines[lines_num] = strtok (ptr, "\n\r")) != NULL) + saveptr = NULL; + while ((lines[lines_num] = strtok_r (ptr, "\n\r", &saveptr)) != NULL) { ptr = NULL; lines_num++; @@ -326,6 +307,8 @@ static int apache_read (void) { if (strcmp (fields[0], "Scoreboard:") == 0) submit_scoreboard (fields[1]); + else if (strcmp (fields[0], "BusyServers:") == 0) + submit_gauge ("apache_connections", NULL, atol (fields[1])); } } @@ -333,18 +316,11 @@ static int apache_read (void) return (0); } /* int apache_read */ -#endif /* APACHE_HAVE_READ */ void module_register (void) { - plugin_register_data_set (&apache_bytes_ds); - plugin_register_data_set (&apache_requests_ds); - plugin_register_data_set (&apache_scoreboard_ds); - -#if APACHE_HAVE_READ plugin_register_config ("apache", config, config_keys, config_keys_num); plugin_register_init ("apache", init); plugin_register_read ("apache", apache_read); -#endif -} +} /* void module_register */