1 files changed, 82 insertions, 0 deletions
diff --git a/src/fluent-bit/plugins/in_mqtt/mqtt_config.c b/src/fluent-bit/plugins/in_mqtt/mqtt_config.c
new file mode 100644
index 000000000..800834c05
--- /dev/null
+++ b/src/fluent-bit/plugins/in_mqtt/mqtt_config.c
@@ -0,0 +1,82 @@
+/* -*- 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 <stdlib.h>
+
+#include <fluent-bit/flb_input_plugin.h>
+#include <fluent-bit/flb_downstream.h>
+#include <fluent-bit/flb_utils.h>
+
+#include "mqtt.h"
+#include "mqtt_config.h"
+
+struct flb_in_mqtt_config *mqtt_config_init(struct flb_input_instance *ins)
+{
+    char tmp[16];
+    struct flb_in_mqtt_config *config;
+    int ret;
+
+    config = flb_calloc(1, sizeof(struct flb_in_mqtt_config));
+    if (!config) {
+        flb_errno();
+        return NULL;
+    }
+
+    ret = flb_input_config_map_set(ins, (void*) config);
+    if (ret == -1) {
+        flb_plg_error(ins, "could not initialize config map");
+        flb_free(config);
+        return NULL;
+    }
+
+    config->log_encoder = flb_log_event_encoder_create(
+                            FLB_LOG_EVENT_FORMAT_DEFAULT);
+
+    if (config->log_encoder == NULL) {
+        flb_plg_error(ins, "could not initialize event encoder");
+        mqtt_config_free(config);
+
+        return NULL;
+    }
+
+    /* Listen interface (if not set, defaults to 0.0.0.0) */
+    flb_input_net_default_listener("0.0.0.0", 1883, ins);
+
+    /* Map 'listen' and 'port' into the local context */
+    config->listen = ins->host.listen;
+    snprintf(tmp, sizeof(tmp) - 1, "%d", ins->host.port);
+    config->tcp_port = flb_strdup(tmp);
+
+    mk_list_init(&config->conns);
+    return config;
+}
+
+void mqtt_config_free(struct flb_in_mqtt_config *config)
+{
+    if (config->downstream != NULL) {
+        flb_downstream_destroy(config->downstream);
+    }
+
+    if (config->log_encoder != NULL) {
+        flb_log_event_encoder_destroy(config->log_encoder);
+    }
+
+    flb_free(config->tcp_port);
+    flb_free(config);
+}