add goto failed/reused_sess

Author: chronolaw

lib/resty/core/socket.lua

@@ -221,11 +221,7 @@ local function sslhandshake(cosocket, reused_session, server_name, ssl_verify,
     end
 
     if rc == FFI_ERROR then
-        if openssl_error_code[0] ~= 0 then
-            return nil, openssl_error_code[0] .. ": " .. ffi_str(errmsg[0])
-        end
-
-        return nil, ffi_str(errmsg[0])
+        goto failed
     end
 
     if rc == FFI_DONE then
@@ -242,11 +238,7 @@ local function sslhandshake(cosocket, reused_session, server_name, ssl_verify,
 
         assert(rc == FFI_OK)
 
-        if session_ptr[0] == nil then
-            return nil
-        end
-
-        return ffi_gc(session_ptr[0], C.ngx_http_lua_ffi_ssl_free_session)
+        goto reused_sess
     end
 
     assert(rc == FFI_AGAIN)
@@ -256,6 +248,8 @@ local function sslhandshake(cosocket, reused_session, server_name, ssl_verify,
     rc = C.ngx_http_lua_ffi_socket_tcp_get_sslhandshake_result(r, u,
              session_ptr, errmsg, openssl_error_code)
 
+::failed::
+
     if rc == FFI_ERROR then
         if openssl_error_code[0] ~= 0 then
             return nil, openssl_error_code[0] .. ": " .. ffi_str(errmsg[0])
@@ -270,6 +264,8 @@ local function sslhandshake(cosocket, reused_session, server_name, ssl_verify,
         return true
     end
 
+::reused_sess::
+
     if session_ptr[0] == nil then
         return nil
     end