From d3c9fc730d5117c3d2cb0d73b3963314dba9313a Mon Sep 17 00:00:00 2001
From: wangmm0220 <wangmm0220@gmail.com>
Date: Fri, 20 Aug 2021 15:31:57 +0800
Subject: [PATCH] [TD-5992] add set config interface for connector

---
 src/client/src/taos.def      | 1 +
 src/client/tests/cliTest.cpp | 4 ++--
 src/util/src/tconfig.c       | 6 +++++-
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/client/src/taos.def b/src/client/src/taos.def
index 7d3b8e80c2..f1ff17a491 100644
--- a/src/client/src/taos.def
+++ b/src/client/src/taos.def
@@ -2,6 +2,7 @@ EXPORTS
 taos_init
 taos_cleanup
 taos_options
+taos_set_config
 taos_connect
 taos_connect_auth
 taos_close
diff --git a/src/client/tests/cliTest.cpp b/src/client/tests/cliTest.cpp
index 98a44333b4..d8f155c088 100644
--- a/src/client/tests/cliTest.cpp
+++ b/src/client/tests/cliTest.cpp
@@ -262,8 +262,8 @@ TEST(testCase, result_field_test) {
   taos_options(TSDB_OPTION_CONFIGDIR, "~/first/cfg");
   taos_init();
 
-  char *config = "{\"tempDir\":\"/root/tmp/\",\"sercerPort\":\"3333\"}";
-  taos_set_config(config);
+  //char *config = "{\"tempDir:\"/root/tmp/\",\"sercerPort\":\"3333\"}";
+  //taos_set_config(config);
   validateResultFields();
   stmtInsertTest();
 }
diff --git a/src/util/src/tconfig.c b/src/util/src/tconfig.c
index 4b6cc1a18d..ad7e90a4bd 100644
--- a/src/util/src/tconfig.c
+++ b/src/util/src/tconfig.c
@@ -574,7 +574,10 @@ int taos_set_config(const char *config){
 
   pthread_mutex_lock(&setConfMutex);
 
-  if (setConfFlag) return;
+  if (setConfFlag) {
+    uError("already set config");
+    return 0;
+  }
   cJSON *root = cJSON_Parse(config);
   if (root == NULL) {
     uError("failed to set config, invalid json format: %s", config);
@@ -592,4 +595,5 @@ int taos_set_config(const char *config){
   }
   setConfFlag = true;
   pthread_mutex_unlock(&setConfMutex);
+  return 0;
 }
-- 
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