1 files changed, 82 insertions, 0 deletions
diff --git a/exporting/clean_connectors.c b/exporting/clean_connectors.c
new file mode 100644
index 00000000..c850c5ff
--- /dev/null
+++ b/exporting/clean_connectors.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "exporting_engine.h"
+
+/**
+ * Clean the instance config.
+ *
+ * @param config an instance config structure.
+ */
+static void clean_instance_config(struct instance_config *config)
+{
+    if(!config)
+        return;
+
+    freez((void *)config->type_name);
+    freez((void *)config->name);
+    freez((void *)config->destination);
+    freez((void *)config->username);
+    freez((void *)config->password);
+    freez((void *)config->prefix);
+    freez((void *)config->hostname);
+
+    simple_pattern_free(config->charts_pattern);
+
+    simple_pattern_free(config->hosts_pattern);
+}
+
+/**
+ * Clean the allocated variables
+ *
+ * @param instance an instance data structure.
+ */
+void clean_instance(struct instance *instance)
+{
+    clean_instance_config(&instance->config);
+    buffer_free(instance->labels_buffer);
+
+    uv_cond_destroy(&instance->cond_var);
+    // uv_mutex_destroy(&instance->mutex);
+}
+
+/**
+ * Clean up a simple connector instance on Netdata exit
+ *
+ * @param instance an instance data structure.
+ */
+void simple_connector_cleanup(struct instance *instance)
+{
+    netdata_log_info("EXPORTING: cleaning up instance %s ...", instance->config.name);
+
+    struct simple_connector_data *simple_connector_data =
+        (struct simple_connector_data *)instance->connector_specific_data;
+
+    freez(simple_connector_data->auth_string);
+
+    buffer_free(instance->buffer);
+    buffer_free(simple_connector_data->buffer);
+    buffer_free(simple_connector_data->header);
+
+    struct simple_connector_buffer *next_buffer = simple_connector_data->first_buffer;
+    for (int i = 0; i < instance->config.buffer_on_failures; i++) {
+        struct simple_connector_buffer *current_buffer = next_buffer;
+        next_buffer = next_buffer->next;
+
+        buffer_free(current_buffer->header);
+        buffer_free(current_buffer->buffer);
+        freez(current_buffer);
+    }
+
+#ifdef ENABLE_HTTPS
+    netdata_ssl_close(&simple_connector_data->ssl);
+#endif
+
+    freez(simple_connector_data);
+
+    struct simple_connector_config *simple_connector_config =
+        (struct simple_connector_config *)instance->config.connector_specific_config;
+    freez(simple_connector_config);
+
+    netdata_log_info("EXPORTING: instance %s exited", instance->config.name);
+    instance->exited = 1;
+}