From 3ade3f68a718a05e7f7fda501fada6ee1bfad559 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20M=C3=A4kel=C3=A4?= <markus.makela@mariadb.com>
Date: Mon, 22 Jan 2018 09:45:28 +0200
Subject: [PATCH] MXS-1538: Prevent double connecting

Connector::connect now checks whether a connection is already made before
attempting to create another one.
---
 connectors/cdc-connector/cdc_connector.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/connectors/cdc-connector/cdc_connector.cpp b/connectors/cdc-connector/cdc_connector.cpp
index e3bc043f2..b27291203 100644
--- a/connectors/cdc-connector/cdc_connector.cpp
+++ b/connectors/cdc-connector/cdc_connector.cpp
@@ -198,6 +198,12 @@ bool Connection::connect(const std::string& table, const std::string& gtid)
 
     try
     {
+        if (m_connected)
+        {
+            m_error = "Already connected";
+            return false;
+        }
+
         m_error.clear();
 
         struct addrinfo *ai = NULL, hint = {};