- Network errors could pollute the buffers because -1 isn't noticed in an
[openssl.git] / demos / tunala / sm.c
index c213d11..25359e6 100644 (file)
@@ -82,14 +82,6 @@ int state_machine_set_SSL(state_machine_t *machine, SSL *ssl, int is_server)
 int state_machine_churn(state_machine_t *machine)
 {
        unsigned int loop;
-       /* Do this loop twice to cover any dependencies about which precise
-        * order of reads and writes is required. */
-       for(loop = 0; loop < 2; loop++) {
-               buffer_to_SSL(&machine->clean_in, machine->ssl);
-               buffer_to_BIO(&machine->dirty_in, machine->bio_intossl);
-               buffer_from_SSL(&machine->clean_out, machine->ssl);
-               buffer_from_BIO(&machine->dirty_out, machine->bio_fromssl);
-       }
        if(machine->ssl == NULL) {
                if(buffer_empty(&machine->clean_out))
                        /* Time to close this state-machine altogether */
@@ -98,6 +90,14 @@ int state_machine_churn(state_machine_t *machine)
                        /* Still buffered data on the clean side to go out */
                        return 1;
        }
+       /* Do this loop twice to cover any dependencies about which precise
+        * order of reads and writes is required. */
+       for(loop = 0; loop < 2; loop++) {
+               buffer_to_SSL(&machine->clean_in, machine->ssl);
+               buffer_to_BIO(&machine->dirty_in, machine->bio_intossl);
+               buffer_from_SSL(&machine->clean_out, machine->ssl);
+               buffer_from_BIO(&machine->dirty_out, machine->bio_fromssl);
+       }
        /* We close on the SSL side if the info callback noticed some problems
         * or an SSL shutdown was underway and shutdown traffic had all been
         * sent. */