增加和tfe通信接口, 添加负载均衡功能等

common/test/test_uuid.cpp

@@ -0,0 +1,12 @@
+#include <stdio.h>
+#include "uuid/uuid.h"
+
+int main(){
+    for(int i = 0; i < 10; i++){
+        uuid_t uu; 
+        char buf[37];
+        uuid_generate_random(uu);
+        uuid_unparse(uu, buf);
+        printf("uuid is: %s\n", buf);
+    }
+}