1 files changed, 154 insertions, 0 deletions
diff --git a/src/fluent-bit/plugins/in_windows_exporter_metrics/we_config.c b/src/fluent-bit/plugins/in_windows_exporter_metrics/we_config.c
new file mode 100644
index 000000000..14913b433
--- /dev/null
+++ b/src/fluent-bit/plugins/in_windows_exporter_metrics/we_config.c
@@ -0,0 +1,154 @@
+/* -*- 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.
+ */
+
+#include <fluent-bit/flb_input_plugin.h>
+#include <fluent-bit/flb_pack.h>
+#include "we.h"
+
+struct flb_we *flb_we_config_create(struct flb_input_instance *ins,
+                                    struct flb_config *config)
+{
+    int ret;
+    struct flb_we *ctx;
+    int root_type;
+
+    ctx = flb_calloc(1, sizeof(struct flb_we));
+    if (!ctx) {
+        flb_errno();
+        return NULL;
+    }
+    ctx->ins = ins;
+    ctx->allowing_disk_regex = NULL;
+    ctx->denying_disk_regex = NULL;
+    ctx->allowing_nic_regex = NULL;
+    ctx->service_include_buffer = NULL;
+    ctx->service_include_buffer_size = 0;
+    ctx->service_exclude_buffer = NULL;
+    ctx->service_exclude_buffer_size = 0;
+    ctx->allowing_process_regex = NULL;
+    ctx->denying_process_regex = NULL;
+
+    /* Load the config map */
+    ret = flb_input_config_map_set(ins, (void *) ctx);
+    if (ret == -1) {
+        flb_free(ctx);
+        return NULL;
+    }
+
+    /* Process allow/deny regex rules */
+    if (ctx->raw_allowing_disk != NULL) {
+        ctx->allowing_disk_regex = flb_regex_create(ctx->raw_allowing_disk);
+    }
+
+    if (ctx->raw_denying_disk != NULL) {
+        ctx->denying_disk_regex = flb_regex_create(ctx->raw_denying_disk);
+    }
+
+    if (ctx->raw_allowing_nic != NULL) {
+        ctx->allowing_nic_regex = flb_regex_create(ctx->raw_allowing_nic);
+    }
+
+    if (ctx->raw_service_include != NULL) {
+        ret = flb_pack_json(ctx->raw_service_include,
+                            strlen(ctx->raw_service_include),
+                            &ctx->service_include_buffer,
+                            &ctx->service_include_buffer_size,
+                            &root_type,
+                            NULL);
+        if (ret != 0) {
+            flb_plg_warn(ctx->ins, "we.service.include is incomplete. Ignored.");
+            ctx->service_include_buffer = NULL;
+            ctx->service_include_buffer_size = 0;
+        }
+    }
+
+    if (ctx->raw_service_exclude != NULL) {
+        ret = flb_pack_json(ctx->raw_service_exclude,
+                            strlen(ctx->raw_service_exclude),
+                            &ctx->service_exclude_buffer,
+                            &ctx->service_exclude_buffer_size,
+                            &root_type,
+                            NULL);
+        if (ret != 0) {
+            flb_plg_warn(ctx->ins, "we.service.exclude is incomplete. Ignored.");
+            ctx->service_exclude_buffer = NULL;
+            ctx->service_exclude_buffer_size = 0;
+        }
+    }
+
+    /* Process allow/deny regex rules for process metrics */
+    if (ctx->raw_allowing_process != NULL) {
+        ctx->allowing_process_regex = flb_regex_create(ctx->raw_allowing_process);
+    }
+
+    if (ctx->raw_denying_process != NULL) {
+        ctx->denying_process_regex = flb_regex_create(ctx->raw_denying_process);
+    }
+
+    ctx->cmt = cmt_create();
+    if (!ctx->cmt) {
+        flb_plg_error(ins, "could not initialize CMetrics");
+        flb_free(ctx);
+        return NULL;
+    }
+
+    return ctx;
+}
+
+void flb_we_config_destroy(struct flb_we *ctx)
+{
+    if (!ctx) {
+        return;
+    }
+
+    if (ctx->allowing_disk_regex != NULL) {
+        flb_regex_destroy(ctx->allowing_disk_regex);
+    }
+
+    if (ctx->denying_disk_regex != NULL) {
+        flb_regex_destroy(ctx->denying_disk_regex);
+    }
+
+    if (ctx->allowing_nic_regex != NULL) {
+        flb_regex_destroy(ctx->allowing_nic_regex);
+    }
+
+    if (ctx->service_include_buffer != NULL) {
+        flb_free(ctx->service_include_buffer);
+    }
+
+    if (ctx->service_exclude_buffer != NULL) {
+        flb_free(ctx->service_exclude_buffer);
+    }
+
+    if (ctx->allowing_process_regex != NULL) {
+        flb_regex_destroy(ctx->allowing_process_regex);
+    }
+
+    if (ctx->denying_disk_regex != NULL) {
+        flb_regex_destroy(ctx->denying_disk_regex);
+    }
+
+    if (ctx->cmt) {
+        cmt_destroy(ctx->cmt);
+    }
+
+    flb_free(ctx);
+}