1 files changed, 76 insertions, 0 deletions
diff --git a/plugins/solidigm/solidigm-telemetry/config.c b/plugins/solidigm/solidigm-telemetry/config.c
new file mode 100644
index 0000000..eceeede
--- /dev/null
+++ b/plugins/solidigm/solidigm-telemetry/config.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright (c) 2022 Solidigm.
+ *
+ * Author: leonardo.da.cunha@solidigm.com
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "config.h"
+
+// max 16 bit unsigned integer number 65535
+#define MAX_16BIT_NUM_AS_STRING_SIZE  6
+
+#define OBJ_NAME_PREFIX "UID_"
+#define NLOG_OBJ_PREFIX OBJ_NAME_PREFIX "NLOG_"
+
+static bool config_get_by_version(const struct json_object *obj, int version_major,
+				  int version_minor, struct json_object **value)
+{
+	char str_key[MAX_16BIT_NUM_AS_STRING_SIZE];
+	char str_subkey[MAX_16BIT_NUM_AS_STRING_SIZE];
+
+	snprintf(str_key, sizeof(str_key), "%d", version_major);
+	snprintf(str_subkey, sizeof(str_subkey), "%d", version_minor);
+	struct json_object *major_obj = NULL;
+
+	if (!json_object_object_get_ex(obj, str_key, &major_obj))
+		return false;
+	if  (!json_object_object_get_ex(major_obj, str_subkey, value))
+		return false;
+	return value != NULL;
+}
+
+bool solidigm_config_get_struct_by_token_version(const struct json_object *config, int token_id,
+					  int version_major, int version_minor,
+					  struct json_object **value)
+{
+	struct json_object *token = NULL;
+	char str_key[MAX_16BIT_NUM_AS_STRING_SIZE];
+
+	snprintf(str_key, sizeof(str_key), "%d", token_id);
+	if (!json_object_object_get_ex(config, str_key, &token))
+		return false;
+	if  (!config_get_by_version(token, version_major, version_minor, value))
+		return false;
+	return value != NULL;
+}
+
+const char *solidigm_config_get_nlog_obj_name(const struct json_object *config, uint32_t token)
+{
+	struct json_object *nlog_names = NULL;
+	struct json_object *obj_name;
+	char hex_header[STR_HEX32_SIZE];
+	const char *name;
+
+	if (!json_object_object_get_ex(config, "TELEMETRY_OBJECT_UIDS", &nlog_names))
+		return NULL;
+	snprintf(hex_header, STR_HEX32_SIZE, "0x%08X", token);
+
+	if (!json_object_object_get_ex(nlog_names, hex_header, &obj_name))
+		return NULL;
+	name = json_object_get_string(obj_name);
+	if (strncmp(NLOG_OBJ_PREFIX, name, strlen(NLOG_OBJ_PREFIX)))
+		return NULL;
+
+	return &name[strlen(OBJ_NAME_PREFIX)];
+}
+
+struct json_object *solidigm_config_get_nlog_formats(const struct json_object *config)
+{
+	struct json_object *nlog_formats = NULL;
+
+	json_object_object_get_ex(config, "NLOG_FORMATS", &nlog_formats);
+	return nlog_formats;
+}