1 files changed, 59 insertions, 0 deletions
diff --git a/src/fluent-bit/plugins/in_tcp/tcp_conn.h b/src/fluent-bit/plugins/in_tcp/tcp_conn.h
new file mode 100644
index 000000000..f9af869f2
--- /dev/null
+++ b/src/fluent-bit/plugins/in_tcp/tcp_conn.h
@@ -0,0 +1,59 @@
+/* -*- 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.
+ */
+
+#ifndef FLB_IN_TCP_CONN_H
+#define FLB_IN_TCP_CONN_H
+
+#include <fluent-bit/flb_pack.h>
+#include <fluent-bit/flb_connection.h>
+
+#define FLB_IN_TCP_CHUNK "32768"
+
+enum {
+    TCP_NEW        = 1,  /* it's a new connection                */
+    TCP_CONNECTED  = 2,  /* MQTT connection per protocol spec OK */
+};
+
+struct tcp_conn_stream {
+    char *tag;
+    size_t tag_len;
+};
+
+/* Respresents a connection */
+struct tcp_conn {
+    int status;                       /* Connection status                 */
+
+    /* Buffer */
+    char *buf_data;                   /* Buffer data                       */
+    int  buf_len;                     /* Data length                       */
+    int  buf_size;                    /* Buffer size                       */
+    size_t rest;                      /* Unpacking offset                  */
+
+    struct flb_input_instance *ins;   /* Parent plugin instance            */
+    struct flb_in_tcp_config *ctx;    /* Plugin configuration context      */
+    struct flb_pack_state pack_state; /* Internal JSON parser              */
+    struct flb_connection *connection;
+
+    struct mk_list _head;
+};
+
+struct tcp_conn *tcp_conn_add(struct flb_connection *connection, struct flb_in_tcp_config *ctx);
+int tcp_conn_del(struct tcp_conn *conn);
+
+#endif