add topicBianryLen config parameters for cenc

src/common/inc/tglobal.h

@@ -158,6 +158,7 @@ extern char    tsDataDir[];
 extern char    tsLogDir[];
 extern char    tsScriptDir[];
 extern int64_t tsTickPerDay[3];
+extern int32_t tsTopicBianryLen;
 
 // system info
 extern char    tsOsName[];

src/common/src/tglobal.c

@@ -199,6 +199,7 @@ char   tsScriptDir[PATH_MAX] = {0};
 char   tsTempDir[PATH_MAX] = "/tmp/";
 
 int32_t  tsDiskCfgNum = 0;
+int32_t tsTopicBianryLen = 16000;
 
 #ifndef _STORAGE
 SDiskCfg tsDiskCfg[1];
@@ -1216,6 +1217,16 @@ static void doInitGlobalConfig(void) {
   cfg.unitType = TAOS_CFG_UTYPE_NONE;
   taosInitConfigOption(cfg);
 
+  cfg.option = "topicBianryLen";
+  cfg.ptr = &tsTopicBianryLen;
+  cfg.valType = TAOS_CFG_VTYPE_INT32;
+  cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG;
+  cfg.minValue = 16;
+  cfg.maxValue = 16000;
+  cfg.ptrLength = 0;
+  cfg.unitType = TAOS_CFG_UTYPE_NONE;
+  taosInitConfigOption(cfg);
+
   cfg.option = "httpEnableRecordSql";
   cfg.ptr = &tsHttpEnableRecordSql;
   cfg.valType = TAOS_CFG_VTYPE_INT8;