handle prefix=null

[collectd.git] / src / write_riemann.c

diff --git a/src/write_riemann.c b/src/write_riemann.c
index 78f01c0..a3b655a 100644 (file)
--- a/src/write_riemann.c
+++ b/src/write_riemann.c
@@ -48,6 +48,7 @@ int write_riemann_threshold_check(const data_set_t *, const value_list_t *, int
 
 struct riemann_host {
        char                    *name;
+       char                    *prefix;
 #define F_CONNECT               0x01
        uint8_t                  flags;
        pthread_mutex_t          lock;
@@ -568,12 +569,21 @@ static Event *riemann_value_to_protobuf (struct riemann_host const *host, /* {{{
        format_name (name_buffer, sizeof (name_buffer),
                        /* host = */ "", vl->plugin, vl->plugin_instance,
                        vl->type, vl->type_instance);
-       if (host->always_append_ds || (ds->ds_num > 1))
-               ssnprintf (service_buffer, sizeof (service_buffer),
-                               "%s/%s", &name_buffer[1], ds->ds[index].name);
-       else
-               sstrncpy (service_buffer, &name_buffer[1],
-                               sizeof (service_buffer));
+       if (host->always_append_ds || (ds->ds_num > 1)) {
+    if (host->prefix == NULL)
+    ssnprintf (service_buffer, sizeof (service_buffer),
+        "%s/%s", &name_buffer[1], ds->ds[index].name);
+    else
+    ssnprintf (service_buffer, sizeof (service_buffer),
+        "%s/%s/%s", host->prefix, &name_buffer[1], ds->ds[index].name);
+  } else {
+    if (host->prefix == NULL)
+      sstrncpy (service_buffer, &name_buffer[1],
+          sizeof (service_buffer));
+    else
+    ssnprintf (service_buffer, sizeof (service_buffer),
+        "%s/%s", host->prefix, &name_buffer[1]);
+  }
 
        event->service = strdup (service_buffer);
 
@@ -755,6 +765,9 @@ static int riemann_config_node(oconfig_item_t *ci) /* {{{ */
             status = cf_util_get_boolean(child, &host->notifications);
             if (status != 0)
                 break;
+        } else if (strcasecmp ("Prefix", child->key) == 0) {
+            status = cf_util_get_string (child, &host->prefix);
+                break;
         } else if (strcasecmp ("CheckThresholds", child->key) == 0) {
             status = cf_util_get_boolean(child, &host->check_thresholds);
             if (status != 0)