[Fix] Lua_tcp: Report connection failures

Issue: #2899

diff --git a/src/lua/lua_tcp.c b/src/lua/lua_tcp.c
index ccc4d59a1276072938ce294075e4964a4fa400de..1c789a9d3527af6d9722077a5bff9b32c2da490d 100644 (file)
--- a/src/lua/lua_tcp.c
+++ b/src/lua/lua_tcp.c
@@ -1550,17 +1550,12 @@ lua_tcp_request (lua_State *L)
                lua_pop (L, 1);
        }
        else {
-               msg_err ("tcp request has bad params");
-               lua_pushboolean (L, FALSE);
-
-               return 1;
+               return luaL_error (L, "tcp request has bad params");
        }
 
        if (resolver == NULL && cfg == NULL && task == NULL) {
-               msg_err ("tcp request has bad params: one of {resolver,task,config} should be set");
-               lua_pushboolean (L, FALSE);
-
-               return 1;
+               return luaL_error (L, "tcp request has bad params: one of "
+                                               "{resolver,task,config} should be set");
        }
 
        cbd->task = task;
@@ -1637,6 +1632,7 @@ lua_tcp_request (lua_State *L)
                cbd->session = session;
 
                if (rspamd_session_blocked (session)) {
+                       lua_tcp_push_error (cbd, TRUE, "async session is the blocked state");
                        TCP_RELEASE (cbd);
                        lua_pushboolean (L, FALSE);
 
@@ -1650,6 +1646,7 @@ lua_tcp_request (lua_State *L)
                lua_tcp_register_watcher (cbd);
 
                if (!lua_tcp_make_connection (cbd)) {
+                       lua_tcp_push_error (cbd, TRUE, "cannot connect to the host: %s", host);
                        lua_pushboolean (L, FALSE);
 
                        TCP_RELEASE (cbd);