diff --git a/src/common.h b/src/common.h
index 8a9f33575b8090eac4dbe56af077af5b68fd7f05..8a7d986534919efa65e449c17313882f363cce93 100644 (file)
--- a/src/common.h
+++ b/src/common.h
/**
* collectd - src/common.h
- * Copyright (C) 2005-2008 Florian octo Forster
+ * Copyright (C) 2005-2010 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
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors:
- * Florian octo Forster <octo at verplant.org>
+ * Florian octo Forster <octo at collectd.org>
* Niki W. Waibel <niki.waibel@gmx.net>
**/
|| (strcasecmp ("no", (s)) == 0) \
|| (strcasecmp ("off", (s)) == 0))
+struct rate_to_value_state_s
+{
+ value_t last_value;
+ cdtime_t last_time;
+ gauge_t residual;
+};
+typedef struct rate_to_value_state_s rate_to_value_state_t;
+
char *sstrncpy (char *dest, const char *src, size_t n);
int ssnprintf (char *dest, size_t n, const char *format, ...);
char *sstrdup(const char *s);
#define FORMAT_VL(ret, ret_len, vl) \
format_name (ret, ret_len, (vl)->host, (vl)->plugin, (vl)->plugin_instance, \
(vl)->type, (vl)->type_instance)
+int format_values (char *ret, size_t ret_len,
+ const data_set_t *ds, const value_list_t *vl,
+ _Bool store_rates);
int parse_identifier (char *str, char **ret_host,
char **ret_plugin, char **ret_plugin_instance,
char **ret_type, char **ret_type_instance);
+int parse_identifier_vl (const char *str, value_list_t *vl);
int parse_value (const char *value, value_t *ret_value, int ds_type);
int parse_values (char *buffer, value_list_t *vl, const data_set_t *ds);
const char *host,
const char *plugin, const char *plugin_instance,
const char *type, const char *type_instance);
-#define NOTIFICATION_INIT_VL(n, vl, ds) \
+#define NOTIFICATION_INIT_VL(n, vl) \
notification_init (n, NOTIF_FAILURE, NULL, \
(vl)->host, (vl)->plugin, (vl)->plugin_instance, \
- (ds)->type, (vl)->type_instance)
+ (vl)->type, (vl)->type_instance)
typedef int (*dirwalk_callback_f)(const char *dirname, const char *filename,
void *user_data);
int walk_directory (const char *dir, dirwalk_callback_f callback,
- void *user_data);
+ void *user_data, int hidden);
+/* Returns the number of bytes read or negative on error. */
int read_file_contents (const char *filename, char *buf, int bufsize);
counter_t counter_diff (counter_t old_value, counter_t new_value);
+/* Convert a rate back to a value_t. When converting to a derive_t, counter_t
+ * or absoltue_t, take fractional residuals into account. This is important
+ * when scaling counters, for example.
+ * Returns zero on success. Returns EAGAIN when called for the first time; in
+ * this case the value_t is invalid and the next call should succeed. Other
+ * return values indicate an error. */
+int rate_to_value (value_t *ret_value, gauge_t rate,
+ rate_to_value_state_t *state, int ds_type, cdtime_t t);
+
+/* Converts a service name (a string) to a port number
+ * (in the range [1-65535]). Returns less than zero on error. */
+int service_name_to_port_number (const char *service_name);
+
+/** Parse a string to a derive_t value. Returns zero on success or non-zero on
+ * failure. If failure is returned, ret_value is not touched. */
+int strtoderive (const char *string, derive_t *ret_value);
+
#endif /* COMMON_H */