diff options
Diffstat (limited to 'exporting/graphite/graphite.c')
-rw-r--r-- | exporting/graphite/graphite.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/exporting/graphite/graphite.c b/exporting/graphite/graphite.c new file mode 100644 index 0000000000..ec36b298e4 --- /dev/null +++ b/exporting/graphite/graphite.c @@ -0,0 +1,138 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "graphite.h" + +/** + * Initialize Graphite connector + * + * @param instance a connector data structure. + * @return Always returns 0. + */ +int init_graphite_connector(struct connector *connector) +{ + connector->worker = simple_connector_worker; + + struct simple_connector_config *connector_specific_config = mallocz(sizeof(struct simple_connector_config)); + connector->config.connector_specific_config = (void *)connector_specific_config; + connector_specific_config->default_port = 2003; + + return 0; +} + +/** + * Initialize Graphite connector instance + * + * @param instance an instance data structure. + * @return Returns 0 on success, 1 on failure. + */ +int init_graphite_instance(struct instance *instance) +{ + instance->start_batch_formatting = NULL; + instance->start_host_formatting = NULL; + instance->start_chart_formatting = NULL; + + if (EXPORTING_OPTIONS_DATA_SOURCE(instance->config.options) == EXPORTING_SOURCE_DATA_AS_COLLECTED) + instance->metric_formatting = format_dimension_collected_graphite_plaintext; + else + instance->metric_formatting = format_dimension_stored_graphite_plaintext; + + instance->end_chart_formatting = NULL; + instance->end_host_formatting = NULL; + instance->end_batch_formatting = NULL; + + instance->buffer = (void *)buffer_create(0); + if (!instance->buffer) { + error("EXPORTING: cannot create buffer for graphite exporting connector instance %s", instance->config.name); + return 1; + } + uv_mutex_init(&instance->mutex); + uv_cond_init(&instance->cond_var); + + return 0; +} + +/** + * Format dimension using collected data for Graphite connector + * + * @param instance an instance data structure. + * @param rd a dimension. + * @return Always returns 0. + */ +int format_dimension_collected_graphite_plaintext(struct instance *instance, RRDDIM *rd) +{ + struct engine *engine = instance->connector->engine; + RRDSET *st = rd->rrdset; + RRDHOST *host = st->rrdhost; + + char chart_name[RRD_ID_LENGTH_MAX + 1]; + exporting_name_copy( + chart_name, + (instance->config.options & EXPORTING_OPTION_SEND_NAMES && st->name) ? st->name : st->id, + RRD_ID_LENGTH_MAX); + + char dimension_name[RRD_ID_LENGTH_MAX + 1]; + exporting_name_copy( + dimension_name, + (instance->config.options & EXPORTING_OPTION_SEND_NAMES && rd->name) ? rd->name : rd->id, + RRD_ID_LENGTH_MAX); + + buffer_sprintf( + instance->buffer, + "%s.%s.%s.%s%s%s " COLLECTED_NUMBER_FORMAT " %llu\n", + engine->config.prefix, + engine->config.hostname, + chart_name, + dimension_name, + (host->tags) ? ";" : "", + (host->tags) ? host->tags : "", + rd->last_collected_value, + (unsigned long long)rd->last_collected_time.tv_sec); + + return 0; +} + +/** + * Format dimension using a calculated value from stored data for Graphite connector + * + * @param instance an instance data structure. + * @param rd a dimension. + * @return Always returns 0. + */ +int format_dimension_stored_graphite_plaintext(struct instance *instance, RRDDIM *rd) +{ + struct engine *engine = instance->connector->engine; + RRDSET *st = rd->rrdset; + RRDHOST *host = st->rrdhost; + + char chart_name[RRD_ID_LENGTH_MAX + 1]; + exporting_name_copy( + chart_name, + (instance->config.options & EXPORTING_OPTION_SEND_NAMES && st->name) ? st->name : st->id, + RRD_ID_LENGTH_MAX); + + char dimension_name[RRD_ID_LENGTH_MAX + 1]; + exporting_name_copy( + dimension_name, + (instance->config.options & EXPORTING_OPTION_SEND_NAMES && rd->name) ? rd->name : rd->id, + RRD_ID_LENGTH_MAX); + + time_t last_t; + calculated_number value = exporting_calculate_value_from_stored_data(instance, rd, &last_t); + + if(isnan(value)) + return 0; + + buffer_sprintf( + instance->buffer, + "%s.%s.%s.%s%s%s " CALCULATED_NUMBER_FORMAT " %llu\n", + engine->config.prefix, + engine->config.hostname, + chart_name, + dimension_name, + (host->tags) ? ";" : "", + (host->tags) ? host->tags : "", + value, + (unsigned long long)last_t); + + return 0; +} |