Catalli's threaded switch

[sliver-openvswitch.git] / ofproto / collectors.c

diff --git a/ofproto/collectors.c b/ofproto/collectors.c
index 4589f32..69eed5d 100644 (file)
--- a/ofproto/collectors.c
+++ b/ofproto/collectors.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010 Nicira Networks.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,15 +20,16 @@
 
 #include <errno.h>
 #include <stdlib.h>
+#include <sys/socket.h>
 #include <unistd.h>
 
 #include "socket-util.h"
 #include "svec.h"
 #include "util.h"
-
-#define THIS_MODULE VLM_collectors
 #include "vlog.h"
 
+VLOG_DEFINE_THIS_MODULE(collectors)
+
 struct collectors {
     int *fds;                     /* Sockets. */
     size_t n_fds;                 /* Number of sockets. */
@@ -111,13 +112,15 @@ collectors_destroy(struct collectors *c)
 void
 collectors_send(const struct collectors *c, const void *payload, size_t n)
 {
-    size_t i;
+    if (c) {
+        size_t i;
 
-    for (i = 0; i < c->n_fds; i++) {
-        static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
-        if (send(c->fds[i], payload, n, 0) == -1) {
-            VLOG_WARN_RL(&rl, "sending to collector failed: %s",
-                         strerror(errno));
+        for (i = 0; i < c->n_fds; i++) {
+            static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
+            if (send(c->fds[i], payload, n, 0) == -1) {
+                VLOG_WARN_RL(&rl, "sending to collector failed: %s",
+                             strerror(errno));
+            }
         }
     }
 }
@@ -125,5 +128,5 @@ collectors_send(const struct collectors *c, const void *payload, size_t n)
 int
 collectors_count(const struct collectors *c)
 {
-    return c->n_fds;
+    return c ? c->n_fds : 0;
 }