1 files changed, 59 insertions, 0 deletions
diff --git a/src/fluent-bit/plugins/in_windows_exporter_metrics/we_wmi.h b/src/fluent-bit/plugins/in_windows_exporter_metrics/we_wmi.h
new file mode 100644
index 000000000..2999f5764
--- /dev/null
+++ b/src/fluent-bit/plugins/in_windows_exporter_metrics/we_wmi.h
@@ -0,0 +1,59 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*  Fluent Bit
+ *  ==========
+ *  Copyright (C) 2019-2021 The Fluent Bit Authors
+ *  Copyright (C) 2015-2018 Treasure Data Inc.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef FLB_WE_WMI_H
+#define FLB_WE_WMI_H
+
+#include "we.h"
+
+#define WE_WMI_METRIC_LABEL_LIST_SIZE        64
+
+typedef double (*we_wmi_value_adjuster) (double);
+struct wmi_query_spec {
+    void *metric_instance;
+    int type;
+    we_wmi_value_adjuster value_adjuster;
+    char *wmi_counter;
+    char *wmi_property;
+    int label_property_count;
+    char **label_property_keys;
+    char *where_clause;
+};
+
+int we_wmi_init(struct flb_we *ctx);
+int we_wmi_cleanup(struct flb_we *ctx);
+int we_wmi_exit(struct flb_we *ctx);
+
+/* Abstract APIs */
+int we_wmi_query(struct flb_we *ctx, struct wmi_query_specs *spec);
+int we_wmi_query_fixed_val(struct flb_we *ctx, struct wmi_query_specs *spec);
+int we_wmi_query_namespace(struct flb_we *ctx, struct wmi_query_specs *spec, char *namepsace);
+
+/* Concrete APIs */
+int we_wmi_coinitialize(struct flb_we *ctx);
+int we_wmi_execute_query(struct flb_we *ctx, struct wmi_query_spec *spec, IEnumWbemClassObject **out_enumerator);
+double we_wmi_get_value(struct flb_we *ctx, struct wmi_query_spec *spec, IWbemClassObject *class_obj);
+double we_wmi_get_property_value(struct flb_we *ctx, char *raw_property_key, IWbemClassObject *class_obj);
+char *we_wmi_get_property_str_value(struct flb_we *ctx, char *raw_property_key,
+                                    IWbemClassObject *class_obj);
+int we_wmi_update_counters(struct flb_we *ctx, struct wmi_query_spec *spec,
+                           uint64_t timestamp, double val, int metric_label_count, char **metric_label_set);
+
+#endif