1 files changed, 135 insertions, 0 deletions
diff --git a/src/fluent-bit/plugins/out_udp/udp_conf.c b/src/fluent-bit/plugins/out_udp/udp_conf.c
new file mode 100644
index 000000000..2f5509d3a
--- /dev/null
+++ b/src/fluent-bit/plugins/out_udp/udp_conf.c
@@ -0,0 +1,135 @@
+/* -*- 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_output_plugin.h>
+#include <fluent-bit/flb_utils.h>
+#include <fluent-bit/flb_sds.h>
+#include <fluent-bit/flb_pack.h>
+
+#include "udp.h"
+#include "udp_conf.h"
+
+struct flb_out_udp *flb_udp_conf_create(struct flb_output_instance *ins,
+                                        struct flb_config *config)
+{
+    int ret;
+    const char *tmp;
+    struct flb_out_udp *ctx = NULL;
+
+    /* Allocate plugin context */
+    ctx = flb_calloc(1, sizeof(struct flb_out_udp));
+    if (!ctx) {
+        flb_errno();
+        return NULL;
+    }
+    ctx->ins = ins;
+
+    ret = flb_output_config_map_set(ins, (void *) ctx);
+    if (ret == -1) {
+        flb_free(ctx);
+        return NULL;
+    }
+
+    /* Set default network configuration if not set */
+    flb_output_net_default("127.0.0.1", 5170, ins);
+
+    /* raw message key mode */
+    if (ctx->raw_message_key) {
+        ctx->ra_raw_message_key = flb_ra_create(ctx->raw_message_key, FLB_TRUE);
+        if (!ctx->ra_raw_message_key) {
+            flb_plg_error(ctx->ins, "could not create record accessor for raw_message_key");
+            flb_free(ctx);
+            return NULL;
+        }
+    }
+
+    /* Output format */
+    ctx->out_format = FLB_PACK_JSON_FORMAT_NONE;
+    tmp = flb_output_get_property("format", ins);
+    if (tmp) {
+        ret = flb_pack_to_json_format_type(tmp);
+        if (ret == -1) {
+            flb_plg_error(ctx->ins, "unrecognized 'format' option '%s'. "
+                          "Using 'msgpack'", tmp);
+        }
+        else {
+            ctx->out_format = ret;
+        }
+    }
+
+    /* Date key */
+    ctx->date_key = ctx->json_date_key;
+    tmp = flb_output_get_property("json_date_key", ins);
+    if (tmp) {
+        /* Just check if we have to disable it */
+        if (flb_utils_bool(tmp) == FLB_FALSE) {
+            ctx->date_key = NULL;
+        }
+    }
+
+    /* Date format for JSON output */
+    ctx->json_date_format = FLB_PACK_JSON_DATE_DOUBLE;
+    tmp = flb_output_get_property("json_date_format", ins);
+    if (tmp) {
+        ret = flb_pack_to_json_date_type(tmp);
+        if (ret == -1) {
+            flb_plg_error(ctx->ins, "unrecognized 'json_date_format' option '%s'. "
+                          "Using 'double'", tmp);
+        }
+        else {
+            ctx->json_date_format = ret;
+        }
+    }
+
+    ctx->host = ins->host.name;
+    ctx->port = ins->host.port;
+
+    ctx->endpoint_descriptor = flb_net_udp_connect(ins->host.name,
+                                                   ins->host.port,
+                                                   ins->net_setup.source_address);
+
+    if (ctx->endpoint_descriptor < 0) {
+        flb_udp_conf_destroy(ctx);
+
+        flb_plg_error(ctx->ins, "Error creating upstream socket");
+
+        ctx = NULL;
+    }
+
+    return ctx;
+}
+
+void flb_udp_conf_destroy(struct flb_out_udp *ctx)
+{
+    if (!ctx) {
+        return;
+    }
+
+    if (ctx->ra_raw_message_key) {
+        flb_ra_destroy(ctx->ra_raw_message_key);
+    }
+
+    if (ctx->endpoint_descriptor >= 0) {
+        flb_socket_close(ctx->endpoint_descriptor);
+    }
+
+    flb_free(ctx);
+
+    ctx = NULL;
+}