Setting tag sliver-openvswitch-2.2.90-1

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

diff --git a/ofproto/collectors.c b/ofproto/collectors.c
index f7cb1db..4501d2b 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, 2011, 2013, 2014 Nicira, Inc.
  *
  * 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 "sset.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. */
@@ -46,41 +47,35 @@ struct collectors {
  * added, otherwise to a new collectors object if at least one was successfully
  * added.  Thus, even on a failure return, it is possible that '*collectorsp'
  * is nonnull, and even on a successful return, it is possible that
- * '*collectorsp' is null, if 'target's is an empty svec. */
+ * '*collectorsp' is null, if 'target's is an empty sset. */
 int
-collectors_create(const struct svec *targets_, uint16_t default_port,
+collectors_create(const struct sset *targets, uint16_t default_port,
                   struct collectors **collectorsp)
 {
     struct collectors *c;
-    struct svec targets;
+    const char *name;
     int retval = 0;
-    size_t i;
-
-    svec_clone(&targets, targets_);
-    svec_sort_unique(&targets);
 
     c = xmalloc(sizeof *c);
-    c->fds = xmalloc(sizeof *c->fds * targets.n);
+    c->fds = xmalloc(sizeof *c->fds * sset_count(targets));
     c->n_fds = 0;
-    for (i = 0; i < targets.n; i++) {
-        const char *name = targets.names[i];
+    SSET_FOR_EACH (name, targets) {
         int error;
         int fd;
 
-        error = inet_open_active(SOCK_DGRAM, name, default_port, NULL, &fd);
+        error = inet_open_active(SOCK_DGRAM, name, default_port, NULL, &fd, 0);
         if (fd >= 0) {
             c->fds[c->n_fds++] = fd;
         } else {
             static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
 
             VLOG_WARN_RL(&rl, "couldn't open connection to collector %s (%s)",
-                         name, strerror(error));
+                         name, ovs_strerror(error));
             if (!retval) {
                 retval = error;
             }
         }
     }
-    svec_destroy(&targets);
 
     if (c->n_fds) {
         *collectorsp = c;
@@ -111,13 +106,23 @@ 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) {
+                char *s = describe_fd(c->fds[i]);
+                VLOG_WARN_RL(&rl, "%s: sending to collector failed (%s)",
+                             s, ovs_strerror(errno));
+                free(s);
+            }
         }
     }
 }
+
+int
+collectors_count(const struct collectors *c)
+{
+    return c ? c->n_fds : 0;
+}