diff options
Diffstat (limited to 'libnetdata/config')
| -rw-r--r-- | libnetdata/config/appconfig.c | 83 | ||||
| -rw-r--r-- | libnetdata/config/appconfig.h | 3 |
2 files changed, 86 insertions, 0 deletions
diff --git a/libnetdata/config/appconfig.c b/libnetdata/config/appconfig.c index 9e6a0c02c..65c36c281 100644 --- a/libnetdata/config/appconfig.c +++ b/libnetdata/config/appconfig.c @@ -411,6 +411,27 @@ int appconfig_set_boolean(struct config *root, const char *section, const char * return value; } +int appconfig_get_duration(struct config *root, const char *section, const char *name, const char *value) +{ + int result = 0; + const char *s; + + s = appconfig_get(root, section, name, value); + if(!s) goto fallback; + + if(!config_parse_duration(s, &result)) { + error("config option '[%s].%s = %s' is configured with an valid duration", section, name, s); + goto fallback; + } + + return result; + + fallback: + if(!config_parse_duration(value, &result)) + error("INTERNAL ERROR: default duration supplied for option '[%s].%s = %s' is not a valid duration", section, name, value); + + return result; +} // ---------------------------------------------------------------------------- // config load/save @@ -586,3 +607,65 @@ void appconfig_generate(struct config *root, BUFFER *wb, int only_changed) appconfig_unlock(root); } } + +/** + * Parse Duration + * + * Parse the string setting the result + * + * @param string the timestamp string + * @param result the output variable + * + * @return It returns 1 on success and 0 otherwise + */ +int config_parse_duration(const char* string, int* result) { + while(*string && isspace(*string)) string++; + + if(unlikely(!*string)) goto fallback; + + if(*string == 'n' && !strcmp(string, "never")) { + // this is a valid option + *result = 0; + return 1; + } + + // make sure it is a number + if(!(isdigit(*string) || *string == '+' || *string == '-')) goto fallback; + + char *e = NULL; + calculated_number n = str2ld(string, &e); + if(e && *e) { + switch (*e) { + case 'Y': + *result = (int) (n * 31536000); + break; + case 'M': + *result = (int) (n * 2592000); + break; + case 'w': + *result = (int) (n * 604800); + break; + case 'd': + *result = (int) (n * 86400); + break; + case 'h': + *result = (int) (n * 3600); + break; + case 'm': + *result = (int) (n * 60); + break; + case 's': + default: + *result = (int) (n); + break; + } + } + else + *result = (int)(n); + + return 1; + + fallback: + *result = 0; + return 0; +} diff --git a/libnetdata/config/appconfig.h b/libnetdata/config/appconfig.h index 78099aad4..32e289f9c 100644 --- a/libnetdata/config/appconfig.h +++ b/libnetdata/config/appconfig.h @@ -119,6 +119,7 @@ extern long long appconfig_get_number(struct config *root, const char *section, extern LONG_DOUBLE appconfig_get_float(struct config *root, const char *section, const char *name, LONG_DOUBLE value); extern int appconfig_get_boolean(struct config *root, const char *section, const char *name, int value); extern int appconfig_get_boolean_ondemand(struct config *root, const char *section, const char *name, int value); +extern int appconfig_get_duration(struct config *root, const char *section, const char *name, const char *value); extern const char *appconfig_set(struct config *root, const char *section, const char *name, const char *value); extern const char *appconfig_set_default(struct config *root, const char *section, const char *name, const char *value); @@ -133,4 +134,6 @@ extern void appconfig_generate(struct config *root, BUFFER *wb, int only_changed extern int appconfig_section_compare(void *a, void *b); +extern int config_parse_duration(const char* string, int* result); + #endif /* NETDATA_CONFIG_H */ |