random: Get random seed from /dev/urandom.

[openvswitch] / ofproto / netflow.c

diff --git a/ofproto/netflow.c b/ofproto/netflow.c
index 7c77c64ff2ff0019a9ac5766e77defc2bdce681b..3d913af2c609fc23d032e8305ddf7f12a4c0405f 100644 (file)
--- a/ofproto/netflow.c
+++ b/ofproto/netflow.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.
@@ -20,7 +20,6 @@
 #include <errno.h>
 #include <stdlib.h>
 #include <unistd.h>
-#include "cfg.h"
 #include "collectors.h"
 #include "flow.h"
 #include "netflow.h"
@@ -31,15 +30,13 @@
 #include "svec.h"
 #include "timeval.h"
 #include "util.h"
+#include "vlog.h"
 #include "xtoxll.h"
 
-#define THIS_MODULE VLM_netflow
-#include "vlog.h"
+VLOG_DEFINE_THIS_MODULE(netflow)
 
 #define NETFLOW_V5_VERSION 5
 
-static const int ACTIVE_TIMEOUT_DEFAULT = 600;
-
 /* Every NetFlow v5 message contains the header that follows.  This is
  * followed by up to thirty records that describe a terminating flow.
  * We only send a single record per NetFlow message.
@@ -112,7 +109,7 @@ netflow_expire(struct netflow *nf, struct netflow_flow *nf_flow,
 {
     struct netflow_v5_header *nf_hdr;
     struct netflow_v5_record *nf_rec;
-    struct timeval now;
+    struct timespec now;
 
     nf_flow->last_expired += nf->active_timeout;
 
@@ -123,7 +120,7 @@ netflow_expire(struct netflow *nf, struct netflow_flow *nf_flow,
         return;
     }
 
-    time_timeval(&now);
+    time_wall_timespec(&now);
 
     if (!nf->packet.size) {
         nf_hdr = ofpbuf_put_zeros(&nf->packet, sizeof *nf_hdr);
@@ -131,7 +128,7 @@ netflow_expire(struct netflow *nf, struct netflow_flow *nf_flow,
         nf_hdr->count = htons(0);
         nf_hdr->sysuptime = htonl(time_msec() - nf->boot_time);
         nf_hdr->unix_secs = htonl(now.tv_sec);
-        nf_hdr->unix_nsecs = htonl(now.tv_usec * 1000);
+        nf_hdr->unix_nsecs = htonl(now.tv_nsec);
         nf_hdr->flow_seq = htonl(nf->netflow_cnt++);
         nf_hdr->engine_type = nf->engine_type;
         nf_hdr->engine_id = nf->engine_id;
@@ -173,7 +170,7 @@ netflow_expire(struct netflow *nf, struct netflow_flow *nf_flow,
     }
     nf_rec->tcp_flags = nf_flow->tcp_flags;
     nf_rec->ip_proto = expired->flow.nw_proto;
-    nf_rec->ip_tos = nf_flow->ip_tos;
+    nf_rec->ip_tos = expired->flow.nw_tos;
 
     /* Update flow tracking data. */
     nf_flow->created = 0;
@@ -211,10 +208,10 @@ netflow_set_options(struct netflow *nf,
     collectors_create(&nf_options->collectors, 0, &nf->collectors);
 
     old_timeout = nf->active_timeout;
-    if (nf_options->active_timeout != -1) {
+    if (nf_options->active_timeout >= 0) {
         nf->active_timeout = nf_options->active_timeout;
     } else {
-        nf->active_timeout = ACTIVE_TIMEOUT_DEFAULT;
+        nf->active_timeout = NF_ACTIVE_TIMEOUT_DEFAULT;
     }
     nf->active_timeout *= 1000;
     if (old_timeout != nf->active_timeout) {
@@ -274,10 +271,8 @@ netflow_flow_update_time(struct netflow *nf, struct netflow_flow *nf_flow,
 }
 
 void
-netflow_flow_update_flags(struct netflow_flow *nf_flow, uint8_t ip_tos,
-                          uint8_t tcp_flags)
+netflow_flow_update_flags(struct netflow_flow *nf_flow, uint8_t tcp_flags)
 {
-    nf_flow->ip_tos = ip_tos;
     nf_flow->tcp_flags |= tcp_flags;
 }