diff options
Diffstat (limited to 'libnetdata/config/appconfig.h')
| -rw-r--r-- | libnetdata/config/appconfig.h | 92 |
1 files changed, 81 insertions, 11 deletions
diff --git a/libnetdata/config/appconfig.h b/libnetdata/config/appconfig.h index 32e289f9..9d02e4ad 100644 --- a/libnetdata/config/appconfig.h +++ b/libnetdata/config/appconfig.h @@ -82,23 +82,67 @@ #define CONFIG_FILENAME "netdata.conf" -#define CONFIG_SECTION_GLOBAL "global" -#define CONFIG_SECTION_WEB "web" -#define CONFIG_SECTION_STATSD "statsd" -#define CONFIG_SECTION_PLUGINS "plugins" -#define CONFIG_SECTION_CLOUD "cloud" -#define CONFIG_SECTION_REGISTRY "registry" -#define CONFIG_SECTION_HEALTH "health" -#define CONFIG_SECTION_BACKEND "backend" -#define CONFIG_SECTION_STREAM "stream" +#define CONFIG_SECTION_GLOBAL "global" +#define CONFIG_SECTION_WEB "web" +#define CONFIG_SECTION_STATSD "statsd" +#define CONFIG_SECTION_PLUGINS "plugins" +#define CONFIG_SECTION_CLOUD "cloud" +#define CONFIG_SECTION_REGISTRY "registry" +#define CONFIG_SECTION_HEALTH "health" +#define CONFIG_SECTION_BACKEND "backend" +#define CONFIG_SECTION_STREAM "stream" +#define CONFIG_SECTION_EXPORTING "exporting:global" +#define CONFIG_SECTION_PROMETHEUS "prometheus:exporter" +#define CONFIG_SECTION_HOST_LABEL "host labels" +#define EXPORTING_CONF "exporting.conf" // these are used to limit the configuration names and values lengths // they are not enforced by config.c functions (they will strdup() all strings, no matter of their length) #define CONFIG_MAX_NAME 1024 #define CONFIG_MAX_VALUE 2048 +// ---------------------------------------------------------------------------- +// Config definitions +#define CONFIG_FILE_LINE_MAX ((CONFIG_MAX_NAME + CONFIG_MAX_VALUE + 1024) * 2) + +#define CONFIG_VALUE_LOADED 0x01 // has been loaded from the config +#define CONFIG_VALUE_USED 0x02 // has been accessed from the program +#define CONFIG_VALUE_CHANGED 0x04 // has been changed from the loaded value or the internal default value +#define CONFIG_VALUE_CHECKED 0x08 // has been checked if the value is different from the default + +struct config_option { + avl avl_node; // the index entry of this entry - this has to be first! + + uint8_t flags; + uint32_t hash; // a simple hash to speed up searching + // we first compare hashes, and only if the hashes are equal we do string comparisons + + char *name; + char *value; + + struct config_option *next; // config->mutex protects just this +}; + +struct section { + avl avl_node; // the index entry of this section - this has to be first! + + uint32_t hash; // a simple hash to speed up searching + // we first compare hashes, and only if the hashes are equal we do string comparisons + + char *name; + + struct section *next; // gloabl config_mutex protects just this + + struct config_option *values; + avl_tree_lock values_index; + + netdata_mutex_t mutex; // this locks only the writers, to ensure atomic updates + // readers are protected using the rwlock in avl_tree_lock +}; + struct config { - struct section *sections; + struct section *first_section; + struct section *last_section; // optimize inserting at the end netdata_mutex_t mutex; avl_tree_lock index; }; @@ -112,11 +156,15 @@ struct config { #define CONFIG_BOOLEAN_AUTO 2 // enabled if it has useful info when enabled #endif -extern int appconfig_load(struct config *root, char *filename, int overwrite_used); +extern int appconfig_load(struct config *root, char *filename, int overwrite_used, const char *section_name); +extern void config_section_wrlock(struct section *co); +extern void config_section_unlock(struct section *co); +extern char *appconfig_get_by_section(struct section *co, const char *name, const char *default_value); extern char *appconfig_get(struct config *root, const char *section, const char *name, const char *default_value); extern long long appconfig_get_number(struct config *root, const char *section, const char *name, long long value); extern LONG_DOUBLE appconfig_get_float(struct config *root, const char *section, const char *name, LONG_DOUBLE value); +extern int appconfig_get_boolean_by_section(struct section *co, const char *name, int 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); @@ -134,6 +182,28 @@ extern void appconfig_generate(struct config *root, BUFFER *wb, int only_changed extern int appconfig_section_compare(void *a, void *b); +extern void appconfig_section_destroy_non_loaded(struct config *root, const char *section); + extern int config_parse_duration(const char* string, int* result); +extern struct section *appconfig_get_section(struct config *root, const char *name); + +extern void appconfig_wrlock(struct config *root); +extern void appconfig_unlock(struct config *root); + +struct connector_instance { + char instance_name[CONFIG_MAX_NAME + 1]; + char connector_name[CONFIG_MAX_NAME + 1]; +}; + +typedef struct _connector_instance { + struct section *connector; // actual connector + struct section *instance; // This instance + char instance_name[CONFIG_MAX_NAME + 1]; + char connector_name[CONFIG_MAX_NAME + 1]; + struct _connector_instance *next; // Next instance +} _CONNECTOR_INSTANCE; + +extern _CONNECTOR_INSTANCE *add_connector_instance(struct section *connector, struct section *instance); + #endif /* NETDATA_CONFIG_H */ |