adding

diff --git a/scripts/icp-test.pl b/scripts/icp-test.pl
new file mode 100755 (executable)
index 0000000..72fd220
--- /dev/null
+++ b/scripts/icp-test.pl
@@ -0,0 +1,90 @@
+#!/usr/local/bin/perl
+
+# udp-banger.pl 
+#
+# Duane Wessels, Dec 1995
+#
+# Usage: udp-banger.pl [host [port]] < url-list
+#
+# Sends a continuous stream of ICP queries to a cache.  Stdin is a list of
+# URLs to request.  Run N of these at the same time to simulate a heavy
+# neighbor cache load.
+
+require 'getopts.pl';
+
+$|=1;
+
+&Getopts('n');
+
+$host=(shift || 'localhost') ;
+$port=(shift || '3130') ;
+
+# just copy this from src/proto.c
+@CODES=(
+    "ICP_INVALID",
+    "ICP_QUERY",
+    "UDP_HIT",
+    "UDP_MISS",
+    "ICP_ERR",
+    "ICP_SEND",
+    "ICP_SENDA",
+    "ICP_DATABEG",
+    "ICP_DATA",
+    "ICP_DATAEND",
+    "ICP_SECHO",
+    "ICP_DECHO",
+    "ICP_OP_UNUSED0",
+    "ICP_OP_UNUSED1",
+    "ICP_OP_UNUSED2",
+    "ICP_OP_UNUSED3",
+    "ICP_OP_UNUSED4",
+    "ICP_OP_UNUSED5",
+    "ICP_OP_UNUSED6",
+    "ICP_OP_UNUSED7",
+    "ICP_OP_UNUSED8",
+    "UDP_RELOADING",
+    "UDP_DENIED",
+    "UDP_HIT_OBJ",
+    "ICP_END"
+);
+
+require 'sys/socket.ph';
+
+$sockaddr = 'S n a4 x8';
+($name, $aliases, $proto) = getprotobyname("udp");
+($fqdn, $aliases, $type, $len, $themaddr) = gethostbyname($host);
+$thissock = pack($sockaddr, &AF_INET, 0, "\0\0\0\0");
+$them = pack($sockaddr, &AF_INET, $port, $themaddr);
+
+chop($me=`uname -a|cut -f2 -d' '`);
+$myip=(gethostbyname($me))[4];
+
+die "socket: $!\n" unless
+       socket (SOCK, &AF_INET, &SOCK_DGRAM, $proto);
+
+$flags = 0;
+$flags |= 0x80000000;
+$flags |= 0x40000000 if ($opt_n);
+$flags = ~0;
+
+while (<>) {
+       chop;
+       $request_template = 'CCnx4Nx4x4a4a' . length;
+       $request = pack($request_template, 1, 2, 24 + length, $flags, $myip, $_);
+       die "send: $!\n" unless
+               send(SOCK, $request, 0, $them);
+        $rin = '';
+        vec($rin,fileno(SOCK),1) = 1;
+        ($nfound,$timeleft) = select($rout=$rin, undef, undef, 2.0);
+       next if ($nfound == 0);
+       die "recv: $!\n" unless
+                $theiraddr = recv(SOCK, $reply, 1024, 0);
+       ($junk, $junk, $sourceaddr, $junk) = unpack($sockaddr, $theiraddr);
+       @theirip = unpack('C4', $sourceaddr);
+        ($type,$ver,$len,$flag,$p1,$p2,$payload) = unpack('CCnx4Nnnx4A', $reply);
+        print join('.', @theirip) . ' ' . $CODES[$type] . " $_";
+       print " hop=$p1" if ($opt_n);
+       print " rtt=$p2" if ($opt_n);
+       print "\n";
+}
+