X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fplugin.h;h=924c842d28de940b5522dfb200a440e1ac7f585d;hb=cc7ac931beb379f43fa08a145140a37dd8c1b449;hp=a2f7f098113f84a1453c0a37077e2e0bc224c37b;hpb=bdbde949ad0bd244574efcec596675e1ef889c43;p=collectd.git diff --git a/src/plugin.h b/src/plugin.h index a2f7f098..924c842d 100644 --- a/src/plugin.h +++ b/src/plugin.h @@ -2,7 +2,7 @@ #define PLUGIN_H /** * collectd - src/plugin.h - * Copyright (C) 2005-2011 Florian octo Forster + * Copyright (C) 2005-2014 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 @@ -99,8 +99,7 @@ struct value_list_s }; typedef struct value_list_s value_list_t; -#define VALUE_LIST_INIT { NULL, 0, 0, \ - (plugin_interval > 0) ? plugin_interval : interval_g, \ +#define VALUE_LIST_INIT { NULL, 0, 0, plugin_get_interval (), \ "localhost", "", "", "", "", NULL } #define VALUE_LIST_STATIC { NULL, 0, 0, 0, "localhost", "", "", "", "", NULL } @@ -224,7 +223,8 @@ void plugin_set_dir (const char *dir); * and a value below zero if an error occurs. * * NOTES - * No attempt is made to re-load an already loaded module. + * Re-loading an already loaded module is detected and zero is returned in + * this case. */ int plugin_load (const char *name, uint32_t flags); @@ -327,8 +327,36 @@ int plugin_unregister_notification (const char *name); * `vl' Value list of the values that have been read by a `read' * function. */ -int plugin_dispatch_values (value_list_t *vl); -int plugin_dispatch_values_secure (const value_list_t *vl); +int plugin_dispatch_values (value_list_t const *vl); + +/* + * NAME + * plugin_dispatch_multivalue + * + * SYNOPSIS + * plugin_dispatch_multivalue (vl, 1, + * "free", 42.0, + * "used", 58.0, + * NULL); + * + * DESCRIPTION + * Takes a list of type instances and values and dispatches that in a batch, + * making sure that all values have the same time stamp. If "store_percentage" + * is set to true, the "type" is set to "percent" and a percentage is + * calculated and dispatched, rather than the absolute values. Values that are + * NaN are dispatched as NaN and will not influence the total. + * + * The variadic arguments is a list of type_instance / gauge pairs, that are + * interpreted as type "char const *" and "gauge_t". The last argument must be + * a NULL pointer to signal end-of-list. + * + * RETURNS + * The number of values it failed to dispatch (zero on success). + */ +__attribute__((sentinel)) +int plugin_dispatch_multivalue (value_list_t const *vl, + _Bool store_percentage, ...); + int plugin_dispatch_missing (const value_list_t *vl); int plugin_dispatch_notification (const notification_t *notif); @@ -336,6 +364,10 @@ int plugin_dispatch_notification (const notification_t *notif); void plugin_log (int level, const char *format, ...) __attribute__ ((format(printf,2,3))); +/* These functions return the parsed severity or less than zero on failure. */ +int parse_log_severity (const char *severity); +int parse_notif_severity (const char *severity); + #define ERROR(...) plugin_log (LOG_ERR, __VA_ARGS__) #define WARNING(...) plugin_log (LOG_WARNING, __VA_ARGS__) #define NOTICE(...) plugin_log (LOG_NOTICE, __VA_ARGS__) @@ -378,4 +410,22 @@ void plugin_init_ctx (void); plugin_ctx_t plugin_get_ctx (void); plugin_ctx_t plugin_set_ctx (plugin_ctx_t ctx); +/* + * NAME + * plugin_get_interval + * + * DESCRIPTION + * This function returns the current value of the plugin's interval. The + * return value will be strictly greater than zero in all cases. If + * everything else fails, it will fall back to 10 seconds. + */ +cdtime_t plugin_get_interval (void); + +/* + * Context-aware thread management. + */ + +int plugin_thread_create (pthread_t *thread, const pthread_attr_t *attr, + void *(*start_routine) (void *), void *arg); + #endif /* PLUGIN_H */