director: Fix logging last input/output time when there was no input/output

diff --git a/src/director/director-connection.c b/src/director/director-connection.c
index 2c0e6dd6d5cdf9501332141a2361311654f288ba..da97cda0a14d201a6f7fa5a3add6358f594e2ebc 100644 (file)
--- a/src/director/director-connection.c
+++ b/src/director/director-connection.c
@@ -166,11 +166,16 @@ director_connection_append_stats(struct director_connection *conn, string_t *str
        int output_msecs = timeval_diff_msecs(&ioloop_timeval, &conn->last_output);
        int connected_msecs = timeval_diff_msecs(&ioloop_timeval, &conn->connected_time);
 
-       str_printfa(str, "bytes in=%"PRIuUOFF_T", bytes out=%"PRIuUOFF_T", "
-                   "last input %u.%03u s ago, last output %u.%03u s ago",
-                   conn->input->v_offset, conn->output->offset,
-                   input_msecs/1000, input_msecs%1000,
-                   output_msecs/1000, output_msecs%1000);
+       str_printfa(str, "bytes in=%"PRIuUOFF_T", bytes out=%"PRIuUOFF_T,
+                   conn->input->v_offset, conn->output->offset);
+       if (conn->last_input.tv_sec > 0) {
+               str_printfa(str, ", last input %u.%03u s ago",
+                           input_msecs/1000, input_msecs%1000);
+       }
+       if (conn->last_output.tv_sec > 0) {
+               str_printfa(str, ", last output %u.%03u s ago",
+                           output_msecs/1000, output_msecs%1000);
+       }
        if (conn->connected) {
                str_printfa(str, ", connected %u.%03u s ago",
                            connected_msecs/1000, connected_msecs%1000);