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// SPDX-License-Identifier: GPL-3.0-or-later
#include "exporting_engine.h"
#include "graphite/graphite.h"
#include "json/json.h"
#include "opentsdb/opentsdb.h"
#if ENABLE_PROMETHEUS_REMOTE_WRITE
#include "prometheus/remote_write/remote_write.h"
#endif
#if HAVE_KINESIS
#include "aws_kinesis/aws_kinesis.h"
#endif
#if ENABLE_EXPORTING_PUBSUB
#include "pubsub/pubsub.h"
#endif
#if HAVE_MONGOC
#include "mongodb/mongodb.h"
#endif
/**
* Initialize connectors
*
* @param engine an engine data structure.
* @return Returns 0 on success, 1 on failure.
*/
int init_connectors(struct engine *engine)
{
engine->now = now_realtime_sec();
for (struct instance *instance = engine->instance_root; instance; instance = instance->next) {
instance->index = engine->instance_num++;
instance->after = engine->now;
switch (instance->config.type) {
case EXPORTING_CONNECTOR_TYPE_GRAPHITE:
if (init_graphite_instance(instance) != 0)
return 1;
break;
case EXPORTING_CONNECTOR_TYPE_GRAPHITE_HTTP:
if (init_graphite_instance(instance) != 0)
return 1;
break;
case EXPORTING_CONNECTOR_TYPE_JSON:
if (init_json_instance(instance) != 0)
return 1;
break;
case EXPORTING_CONNECTOR_TYPE_JSON_HTTP:
if (init_json_http_instance(instance) != 0)
return 1;
break;
case EXPORTING_CONNECTOR_TYPE_OPENTSDB:
if (init_opentsdb_telnet_instance(instance) != 0)
return 1;
break;
case EXPORTING_CONNECTOR_TYPE_OPENTSDB_HTTP:
if (init_opentsdb_http_instance(instance) != 0)
return 1;
break;
case EXPORTING_CONNECTOR_TYPE_PROMETHEUS_REMOTE_WRITE:
#if ENABLE_PROMETHEUS_REMOTE_WRITE
if (init_prometheus_remote_write_instance(instance) != 0)
return 1;
#endif
break;
case EXPORTING_CONNECTOR_TYPE_KINESIS:
#if HAVE_KINESIS
if (init_aws_kinesis_instance(instance) != 0)
return 1;
#endif
break;
case EXPORTING_CONNECTOR_TYPE_PUBSUB:
#if ENABLE_EXPORTING_PUBSUB
if (init_pubsub_instance(instance) != 0)
return 1;
#endif
break;
case EXPORTING_CONNECTOR_TYPE_MONGODB:
#if HAVE_MONGOC
if (init_mongodb_instance(instance) != 0)
return 1;
#endif
break;
default:
error("EXPORTING: unknown exporting connector type");
return 1;
}
// dispatch the instance worker thread
int error = uv_thread_create(&instance->thread, instance->worker, instance);
if (error) {
error("EXPORTING: cannot create tread worker. uv_thread_create(): %s", uv_strerror(error));
return 1;
}
char threadname[NETDATA_THREAD_NAME_MAX + 1];
snprintfz(threadname, NETDATA_THREAD_NAME_MAX, "EXPORTING-%zu", instance->index);
uv_thread_set_name_np(instance->thread, threadname);
send_statistics("EXPORTING_START", "OK", instance->config.type_name);
}
return 0;
}
/**
* Initialize a ring buffer for a simple connector
*
* @param instance an instance data structure.
*/
void simple_connector_init(struct instance *instance)
{
struct simple_connector_data *connector_specific_data =
(struct simple_connector_data *)instance->connector_specific_data;
if (connector_specific_data->first_buffer)
return;
connector_specific_data->header = buffer_create(0);
connector_specific_data->buffer = buffer_create(0);
// create a ring buffer
struct simple_connector_buffer *first_buffer = NULL;
if (instance->config.buffer_on_failures < 1)
instance->config.buffer_on_failures = 1;
for (int i = 0; i < instance->config.buffer_on_failures; i++) {
struct simple_connector_buffer *current_buffer = callocz(1, sizeof(struct simple_connector_buffer));
if (!connector_specific_data->first_buffer)
first_buffer = current_buffer;
else
current_buffer->next = connector_specific_data->first_buffer;
connector_specific_data->first_buffer = current_buffer;
}
first_buffer->next = connector_specific_data->first_buffer;
connector_specific_data->last_buffer = connector_specific_data->first_buffer;
return;
}
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