X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fconfigfile.c;h=4fe50cc2e11ee71a00dcd53bd843460cf68a5973;hb=3427c2e266c04d67848bda913caa730a395c7295;hp=2eea2362a5a39396eaabacef5a339202a624ad2d;hpb=9988d61c84dfff5d04ddf48f4b93f6c9449cdc41;p=collectd.git diff --git a/src/configfile.c b/src/configfile.c index 2eea2362..4fe50cc2 100644 --- a/src/configfile.c +++ b/src/configfile.c @@ -1,6 +1,6 @@ /** * collectd - src/configfile.c - * Copyright (C) 2005-2009 Florian octo Forster + * Copyright (C) 2005-2011 Florian octo Forster * * 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 @@ -17,7 +17,7 @@ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * * Authors: - * Florian octo Forster + * Florian octo Forster * Sebastian tokkee Harl **/ @@ -29,7 +29,6 @@ #include "plugin.h" #include "configfile.h" #include "types_list.h" -#include "utils_threshold.h" #include "filter_chain.h" #if HAVE_WORDEXP_H @@ -96,9 +95,10 @@ static cf_global_option_t cf_global_options[] = {"BaseDir", NULL, PKGLOCALSTATEDIR}, {"PIDFile", NULL, PIDFILE}, {"Hostname", NULL, NULL}, - {"FQDNLookup", NULL, "false"}, + {"FQDNLookup", NULL, "true"}, {"Interval", NULL, "10"}, {"ReadThreads", NULL, "5"}, + {"Timeout", NULL, "2"}, {"PreCacheChain", NULL, "PreCache"}, {"PostCacheChain", NULL, "PostCache"} }; @@ -242,7 +242,8 @@ static int dispatch_value_plugindir (const oconfig_item_t *ci) static int dispatch_loadplugin (const oconfig_item_t *ci) { int i; - uint32_t flags = 0; + const char *name; + unsigned int flags = 0; assert (strcasecmp (ci->key, "LoadPlugin") == 0); if (ci->values_num != 1) @@ -250,19 +251,34 @@ static int dispatch_loadplugin (const oconfig_item_t *ci) if (ci->values[0].type != OCONFIG_TYPE_STRING) return (-1); + name = ci->values[0].value.string; + + /* + * XXX: Magic at work: + * + * Some of the language bindings, for example the Python and Perl + * plugins, need to be able to export symbols to the scripts they run. + * For this to happen, the "Globals" flag needs to be set. + * Unfortunately, this technical detail is hard to explain to the + * average user and she shouldn't have to worry about this, ideally. + * So in order to save everyone's sanity use a different default for a + * handful of special plugins. --octo + */ + if ((strcasecmp ("Perl", name) == 0) + || (strcasecmp ("Python", name) == 0)) + flags |= PLUGIN_FLAGS_GLOBAL; + for (i = 0; i < ci->children_num; ++i) { - if (ci->children[i].values_num != 1 || - ci->children[i].values[0].type != OCONFIG_TYPE_BOOLEAN) { - WARNING("Ignoring unknown LoadPlugin option %s for plugin %s", ci->children[i].key, ci->values[0].value.string); - continue; - } - if (strcasecmp(ci->children[i].key, "globals") == 0) { - flags |= PLUGIN_FLAGS_GLOBAL; - } else { - WARNING("Ignoring unknown LoadPlugin option %s for plugin %s", ci->children[i].key, ci->values[0].value.string); + if (strcasecmp("Globals", ci->children[i].key) == 0) + cf_util_get_flag (ci->children + i, &flags, PLUGIN_FLAGS_GLOBAL); + else { + WARNING("Ignoring unknown LoadPlugin option \"%s\" " + "for plugin \"%s\"", + ci->children[i].key, ci->values[0].value.string); } } - return (plugin_load (ci->values[0].value.string, flags)); + + return (plugin_load (name, (uint32_t) flags)); } /* int dispatch_value_loadplugin */ static int dispatch_value_plugin (const char *plugin, oconfig_item_t *ci) @@ -371,8 +387,6 @@ static int dispatch_block (oconfig_item_t *ci) return (dispatch_loadplugin (ci)); else if (strcasecmp (ci->key, "Plugin") == 0) return (dispatch_block_plugin (ci)); - else if (strcasecmp (ci->key, "Threshold") == 0) - return (ut_config (ci)); else if (strcasecmp (ci->key, "Chain") == 0) return (fc_configure (ci)); @@ -700,11 +714,10 @@ static oconfig_item_t *cf_read_generic (const char *path, int depth) if (status != 0) { char errbuf[1024]; - ERROR ("configfile: stat (%s) failed: %s", + WARNING ("configfile: stat (%s) failed: %s", path_ptr, sstrerror (errno, errbuf, sizeof (errbuf))); - oconfig_free (root); - return (NULL); + continue; } if (S_ISREG (statbuf.st_mode)) @@ -713,7 +726,7 @@ static oconfig_item_t *cf_read_generic (const char *path, int depth) temp = cf_read_dir (path_ptr, depth); else { - ERROR ("configfile: %s is neither a file nor a " + WARNING ("configfile: %s is neither a file nor a " "directory.", path); continue; } @@ -730,6 +743,12 @@ static oconfig_item_t *cf_read_generic (const char *path, int depth) wordfree (&we); + if (root->children == NULL) + { + oconfig_free (root); + return (NULL); + } + return (root); } /* oconfig_item_t *cf_read_generic */ /* #endif HAVE_WORDEXP_H */ @@ -957,6 +976,45 @@ int cf_util_get_string (const oconfig_item_t *ci, char **ret_string) /* {{{ */ return (0); } /* }}} int cf_util_get_string */ +/* Assures the config option is a string and copies it to the provided buffer. + * Assures null-termination. */ +int cf_util_get_string_buffer (const oconfig_item_t *ci, char *buffer, /* {{{ */ + size_t buffer_size) +{ + if ((ci == NULL) || (buffer == NULL) || (buffer_size < 1)) + return (EINVAL); + + if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) + { + ERROR ("cf_util_get_string_buffer: The %s option requires " + "exactly one string argument.", ci->key); + return (-1); + } + + strncpy (buffer, ci->values[0].value.string, buffer_size); + buffer[buffer_size - 1] = 0; + + return (0); +} /* }}} int cf_util_get_string_buffer */ + +/* Assures the config option is a number and returns it as an int. */ +int cf_util_get_int (const oconfig_item_t *ci, int *ret_value) /* {{{ */ +{ + if ((ci == NULL) || (ret_value == NULL)) + return (EINVAL); + + if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_NUMBER)) + { + ERROR ("cf_util_get_int: The %s option requires " + "exactly one numeric argument.", ci->key); + return (-1); + } + + *ret_value = (int) ci->values[0].value.number; + + return (0); +} /* }}} int cf_util_get_int */ + int cf_util_get_boolean (const oconfig_item_t *ci, _Bool *ret_bool) /* {{{ */ { if ((ci == NULL) || (ret_bool == NULL)) @@ -965,26 +1023,146 @@ int cf_util_get_boolean (const oconfig_item_t *ci, _Bool *ret_bool) /* {{{ */ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_BOOLEAN)) { ERROR ("cf_util_get_boolean: The %s option requires " - "exactly one string argument.", ci->key); + "exactly one boolean argument.", ci->key); return (-1); } - *ret_bool = ci->values[0].value.boolean ? true : false; + *ret_bool = ci->values[0].value.boolean ? 1 : 0; return (0); } /* }}} int cf_util_get_boolean */ -/* Assures that the config option is a string. The string is then converted to - * a port number using `service_name_to_port_number' and returned. Returns the - * port number in the range [1-65535] or less than zero upon failure. */ +int cf_util_get_flag (const oconfig_item_t *ci, /* {{{ */ + unsigned int *ret_value, unsigned int flag) +{ + int status; + _Bool b; + + if (ret_value == NULL) + return (EINVAL); + + b = 0; + status = cf_util_get_boolean (ci, &b); + if (status != 0) + return (status); + + if (b) + { + *ret_value |= flag; + } + else + { + *ret_value &= ~flag; + } + + return (0); +} /* }}} int cf_util_get_flag */ + +/* Assures that the config option is a string or a number if the correct range + * of 1-65535. The string is then converted to a port number using + * `service_name_to_port_number' and returned. + * Returns the port number in the range [1-65535] or less than zero upon + * failure. */ int cf_util_get_port_number (const oconfig_item_t *ci) /* {{{ */ { - if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) + int tmp; + + if ((ci->values_num != 1) + || ((ci->values[0].type != OCONFIG_TYPE_STRING) + && (ci->values[0].type != OCONFIG_TYPE_NUMBER))) { - ERROR ("cf_util_get_port_number: The %s option requires " + ERROR ("cf_util_get_port_number: The \"%s\" option requires " "exactly one string argument.", ci->key); return (-1); } - return (service_name_to_port_number (ci->values[0].value.string)); + if (ci->values[0].type == OCONFIG_TYPE_STRING) + return (service_name_to_port_number (ci->values[0].value.string)); + + assert (ci->values[0].type == OCONFIG_TYPE_NUMBER); + tmp = (int) (ci->values[0].value.number + 0.5); + if ((tmp < 1) || (tmp > 65535)) + { + ERROR ("cf_util_get_port_number: The \"%s\" option requires " + "a service name or a port number. The number " + "you specified, %i, is not in the valid " + "range of 1-65535.", + ci->key, tmp); + return (-1); + } + + return (tmp); } /* }}} int cf_util_get_port_number */ + +int cf_util_get_service (const oconfig_item_t *ci, char **ret_string) /* {{{ */ +{ + int port; + char *service; + int status; + + if (ci->values_num != 1) + { + ERROR ("cf_util_get_service: The %s option requires exactly " + "one argument.", ci->key); + return (-1); + } + + if (ci->values[0].type == OCONFIG_TYPE_STRING) + return (cf_util_get_string (ci, ret_string)); + if (ci->values[0].type != OCONFIG_TYPE_NUMBER) + { + ERROR ("cf_util_get_service: The %s option requires " + "exactly one string or numeric argument.", + ci->key); + } + + port = 0; + status = cf_util_get_int (ci, &port); + if (status != 0) + return (status); + else if ((port < 1) || (port > 65535)) + { + ERROR ("cf_util_get_service: The port number given " + "for the %s option is out of " + "range (%i).", ci->key, port); + return (-1); + } + + service = malloc (6); + if (service == NULL) + { + ERROR ("cf_util_get_service: Out of memory."); + return (-1); + } + ssnprintf (service, 6, "%i", port); + + sfree (*ret_string); + *ret_string = service; + + return (0); +} /* }}} int cf_util_get_service */ + +int cf_util_get_cdtime (const oconfig_item_t *ci, cdtime_t *ret_value) /* {{{ */ +{ + if ((ci == NULL) || (ret_value == NULL)) + return (EINVAL); + + if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_NUMBER)) + { + ERROR ("cf_util_get_cdtime: The %s option requires " + "exactly one numeric argument.", ci->key); + return (-1); + } + + if (ci->values[0].value.number < 0.0) + { + ERROR ("cf_util_get_cdtime: The numeric argument of the %s " + "option must not be negative.", ci->key); + return (-1); + } + + *ret_value = DOUBLE_TO_CDTIME_T (ci->values[0].value.number); + + return (0); +} /* }}} int cf_util_get_cdtime */ +