1 files changed, 92 insertions, 0 deletions
diff --git a/src/fluent-bit/plugins/in_opentelemetry/opentelemetry_config.c b/src/fluent-bit/plugins/in_opentelemetry/opentelemetry_config.c
new file mode 100644
index 000000000..b57596f94
--- /dev/null
+++ b/src/fluent-bit/plugins/in_opentelemetry/opentelemetry_config.c
@@ -0,0 +1,92 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*  Fluent Bit
+ *  ==========
+ *  Copyright (C) 2015-2022 The Fluent Bit Authors
+ *
+ *  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_downstream.h>
+
+#include "opentelemetry.h"
+#include "http_conn.h"
+
+/* default HTTP port for OTLP/HTTP is 4318 */
+#define OTLP_HTTP_PORT    4318
+
+struct flb_opentelemetry *opentelemetry_config_create(struct flb_input_instance *ins)
+{
+    int ret;
+    char port[8];
+    struct flb_opentelemetry *ctx;
+
+    ctx = flb_calloc(1, sizeof(struct flb_opentelemetry));
+    if (!ctx) {
+        flb_errno();
+        return NULL;
+    }
+    ctx->ins = ins;
+    mk_list_init(&ctx->connections);
+
+    /* Load the config map */
+    ret = flb_input_config_map_set(ins, (void *) ctx);
+    if (ret == -1) {
+        flb_free(ctx);
+        return NULL;
+    }
+
+    /* Listen interface (if not set, defaults to 0.0.0.0:4318) */
+    flb_input_net_default_listener("0.0.0.0", OTLP_HTTP_PORT, ins);
+
+    ctx->listen = flb_strdup(ins->host.listen);
+    snprintf(port, sizeof(port) - 1, "%d", ins->host.port);
+    ctx->tcp_port = flb_strdup(port);
+
+    /* HTTP Server specifics */
+    ctx->server = flb_calloc(1, sizeof(struct mk_server));
+    ctx->server->keep_alive = MK_TRUE;
+
+    /* monkey detects server->workers == 0 as the server not being initialized at the
+     * moment so we want to make sure that it stays that way!
+     */
+
+    return ctx;
+}
+
+int opentelemetry_config_destroy(struct flb_opentelemetry *ctx)
+{
+    /* release all connections */
+    opentelemetry_conn_release_all(ctx);
+
+    if (ctx->collector_id != -1) {
+        flb_input_collector_delete(ctx->collector_id, ctx->ins);
+
+        ctx->collector_id = -1;
+    }
+
+    if (ctx->downstream != NULL) {
+        flb_downstream_destroy(ctx->downstream);
+    }
+
+    if (ctx->server) {
+        flb_free(ctx->server);
+    }
+
+    flb_free(ctx->listen);
+    flb_free(ctx->tcp_port);
+    flb_free(ctx);
+
+    return 0;
+}