[tools] add redboot.pl script to repo

mote/v2/tools/redboot.pl

@@ -0,0 +1,39 @@
+#!/usr/bin/perl -w
+# telnet_redboot.pl - ./upslug --reset;arping -f 192.168.0.1;telnet 192.168.0.1 9000
+
+use Net::Telnet ();
+
+my $host = $ARGV[0] or die "Syntax: $0 <host>\n";
+
+ system("while true; do fping -t200 $host && break; done");
+
+ my $t = new Net::Telnet (Port => 9000, Timeout => 30);
+ if(!defined($t)){
+     print "new Net::Telnet failed\n";
+     exit(1);
+ } # if
+ my $ok;
+ $ok = $t->errmode("return");
+ $ok = $t->open($host);
+ if(!defined($ok)){
+     print "open('$host') failed\n";
+     $t->close();
+     exit(1);
+ } # if
+
+ # == Executing boot script in 1.930 seconds - enter ^C to abort
+
+ my $line;
+ while($line = $t->getline()){
+        $line =~ s/[\r\n]//;
+        print "-> $line\n";
+        if($line =~ m/enter \^C to abort/){
+                $t->put(chr(3)); # send ^C
+                print "<- \^C\n";
+                $t->close();
+                sleep(1);
+                system("telnet $host 9000");
+                exit(0);
+        } # if
+ } # while
+ $t->close();