classifier: Use array for subtables instead of a list.

[sliver-openvswitch.git] / utilities / ovs-save

diff --git a/utilities/ovs-save b/utilities/ovs-save
index 2ab9d08..73895f3 100755 (executable)
--- a/utilities/ovs-save
+++ b/utilities/ovs-save
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (c) 2011 Nicira, Inc.
+# Copyright (c) 2011, 2013 Nicira, Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -27,27 +27,14 @@ Commands:
                         configuration.
  save-flows             Outputs a shell script on stdout that will restore
                         Openflow flows of each Open vSwitch bridge.
+ save-ofports           Outputs a shell script on stdout that will restore
+                        the ofport value across a force-reload-kmod.
 This script is meant as a helper for the Open vSwitch init script commands.
 EOF
 }
 
-PATH=/sbin:/bin:/usr/sbin:/usr/bin
-
-missing_program () {
-    save_IFS=$IFS
-    IFS=:
-    for dir in $PATH; do
-        IFS=$save_IFS
-        if test -x $dir/$1; then
-            return 1
-        fi
-    done
-    IFS=$save_IFS
-    return 0
-}
-
 save_interfaces () {
-    if missing_program ip; then
+    if (ip -V) > /dev/null 2>&1; then :; else
         echo "$0: ip not found in $PATH" >&2
         exit 1
     fi
@@ -150,18 +137,18 @@ save_interfaces () {
         echo
     done
 
-    if missing_program iptables-save; then
-        echo "# iptables-save not found in $PATH, not saving iptables state"
-    else
+    if (iptables-save) > /dev/null 2>&1; then
         echo "# global"
         echo "iptables-restore <<'EOF'"
         iptables-save
         echo "EOF"
+    else
+        echo "# iptables-save not found in $PATH, not saving iptables state"
     fi
 }
 
 save_flows () {
-    if missing_program ovs-ofctl; then
+    if (ovs-ofctl --version) > /dev/null 2>&1; then :; else
         echo "$0: ovs-ofctl not found in $PATH" >&2
         exit 1
     fi
@@ -174,6 +161,32 @@ save_flows () {
     done
 }
 
+ovs_vsctl () {
+    ovs-vsctl --no-wait "$@"
+}
+
+save_ofports ()
+{
+    if (ovs-vsctl --version) > /dev/null 2>&1; then :; else
+        echo "$0: ovs-vsctl not found in $PATH" >&2
+        exit 1
+    fi
+
+    for bridge in "$@"; do
+        count=0
+        for iface in `ovs_vsctl list-ifaces ${bridge}`; do
+            ofport=`ovs_vsctl get interface ${iface} ofport`
+            [ "${count}" -eq 0 ] && cmd="ovs-vsctl --no-wait"
+            cmd="${cmd} -- --if-exists set interface "${iface}" \
+                     ofport_request="${ofport}""
+
+            # Run set interface command on 50 ports at a time.
+            count=`expr ${count} + 1`
+            [ "${count}" -eq 50 ] && count=0 && echo "${cmd}" && cmd=""
+        done
+        echo "${cmd}"
+    done
+}
 
 while [ $# -ne 0 ]
 do
@@ -188,6 +201,11 @@ do
             save_interfaces "$@"
             exit 0
             ;;
+        "save-ofports")
+            shift
+            save_ofports "$@"
+            exit 0
+            ;;
         -h | --help)
             usage
             exit 0