make the input file optional in the load generation module

diff --git a/src/modules/proto_radius/proto_radius_load.c b/src/modules/proto_radius/proto_radius_load.c
index 1671a9229ca19a9beaf74c80d1d43c0354c4aa17..f6f2df67245732fc3f4b6eab1718b528b03c6234 100644 (file)
--- a/src/modules/proto_radius/proto_radius_load.c
+++ b/src/modules/proto_radius/proto_radius_load.c
@@ -223,7 +223,7 @@ static int mod_open(fr_listen_t *li)
 
        server_cs = cf_item_to_section(ci);
 
-       thread->name = talloc_typed_asprintf(thread, "load generation from file %s", inst->filename);
+       thread->name = talloc_typed_asprintf(thread, "load generation from file %s", inst->filename ? inst->filename : "none");
        thread->parent = talloc_parent(li);
 
        DEBUG("Listening on radius address %s bound to virtual server %s",
@@ -371,7 +371,7 @@ static int mod_instantiate(void *instance, CONF_SECTION *cs)
 {
        proto_radius_load_t     *inst = talloc_get_type_abort(instance, proto_radius_load_t);
        RADCLIENT               *client;
-       FILE                    *fp;
+
        bool                    done;
        VALUE_PAIR              *vp, *vps = NULL;
        ssize_t                 packet_len;
@@ -388,22 +388,26 @@ static int mod_instantiate(void *instance, CONF_SECTION *cs)
        client->nas_type = talloc_strdup(client, "load");
        client->use_connected = false;
 
-       fp = fopen(inst->filename, "r");
-       if (!fp) {
-               cf_log_err(cs, "Failed reading %s - %s",
-                          inst->filename, fr_syserror(errno));
-               return -1;
-       }
+       if (inst->filename) {
+               FILE *fp;
+
+               fp = fopen(inst->filename, "r");
+               if (!fp) {
+                       cf_log_err(cs, "Failed reading %s - %s",
+                                  inst->filename, fr_syserror(errno));
+                       return -1;
+               }
+
+               if (fr_pair_list_afrom_file(inst, dict_radius, &vps, fp, &done) < 0) {
+                       cf_log_err(cs, "Failed reading %s - %s",
+                                  inst->filename, fr_strerror());
+                       fclose(fp);
+                       return -1;
+               }
 
-       if (fr_pair_list_afrom_file(inst, dict_radius, &vps, fp, &done) < 0) {
-               cf_log_err(cs, "Failed reading %s - %s",
-                          inst->filename, fr_strerror());
                fclose(fp);
-               return -1;
        }
 
-       fclose(fp);
-
        MEM(inst->packet = talloc_zero_array(inst, uint8_t, inst->max_packet_size));
 
        vp = fr_pair_find_by_da(vps, attr_packet_type, TAG_ANY);