From abd83a5b91c00390300de40b8ada651212efe9a6 Mon Sep 17 00:00:00 2001
From: tv <tv@nomic.retiolum>
Date: Mon, 14 Jan 2013 15:14:46 +0100
Subject: retiolum find_super: parallel lookup

---
 retiolum/scripts/adv_graphgen/find_super | 37 +++++++++++++++++++++-----------
 1 file changed, 24 insertions(+), 13 deletions(-)
 mode change 100644 => 100755 retiolum/scripts/adv_graphgen/find_super

(limited to 'retiolum/scripts')

diff --git a/retiolum/scripts/adv_graphgen/find_super b/retiolum/scripts/adv_graphgen/find_super
old mode 100644
new mode 100755
index c89a94fb..e971e204
--- a/retiolum/scripts/adv_graphgen/find_super
+++ b/retiolum/scripts/adv_graphgen/find_super
@@ -1,14 +1,25 @@
-#!/bin/sh
-cd /etc/tinc/retiolum/hosts
-ls -1  . | while read fname;
-do
-    for i in `sed -n 's/Address\s*=\s*\(.*\)/\1/p' $fname`;do
-        if nc -zw 5 $i 655 2>/dev/null; then
-            echo "$fname - $i reachable"
-        #else
-            #echo -n
-            #echo "$fname - $i unreachable"
+#! /bin/dash
+set -euf
+case "${1-all}" in
+  (all)
+    find /etc/tinc/retiolum/hosts -type f |
+    xargs -P 423 -n 1 "$0" one
+    ;;
+  (one)
+    hosts_file=$2
+    name=$(basename $hosts_file)
 
-        fi
-    done
-done
+    if grep -q Address $hosts_file; then
+      script="$(sed -n '
+        s/[[:space:]]*//g
+        s/^\(Address\|Port\)=\(.*\)/\1="${\1+$\1 }\2"/p
+      ' $hosts_file)"
+      eval "$script"
+      for address in ${Address-}; do
+        if nc -zw 2 $address 655 2>/dev/null; then
+          echo $name - $address reachable
+        fi &
+      done
+      wait
+    fi
+esac
-- 
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