From f4680dfd8d58c94f81eefabc69c5b5afbb40e6d1 Mon Sep 17 00:00:00 2001
From: Denis Knauf <Denis.Knauf@gmail.com>
Date: Mon, 27 Sep 2010 16:33:31 +0200
Subject: [PATCH] synced

---
 c.rb | 26 +++++++++++++++++++-------
 r.pl | 39 +++++++++++++++++++++++++++++++++++----
 s.pl | 33 ++++++++++++++++++++++-----------
 3 files changed, 76 insertions(+), 22 deletions(-)

diff --git a/c.rb b/c.rb
index 86a61be..6fe17c9 100755
--- a/c.rb
+++ b/c.rb
@@ -1,5 +1,7 @@
 #!/usr/bin/env ruby
 
+require 'json'
+
 class IO
 	def readall
 		buf = ''
@@ -25,15 +27,25 @@ class File
 	end
 end
 
-tor = IO.pipe
-tos = IO.pipe
+$tor = tor = IO.pipe
+$tos = tos = IO.pipe
 
-fork do
+if Process.fork
 	$stdin.reopen tor.first
+	tor.last.close
 	$stdout.reopen tos.last
+	tos.first.close
+	$stderr.puts( {proc: 'c', connect: ARGV[0], args: ARGV[1]}.to_json)
 	exec 'ssh', ARGV[0], 'perl', '-e', File.readall( 's.pl').shdump, ARGV[1].shdump
-end
+else
+	#$stdout.puts 'test'
+	#$stderr.print '>> '
+	#$stdin.each_line {|l| p eval( l); print '>> ' }
 
-$stdin.reopen tos.first
-$stdout.reopen tor.last
-exec 'perl', 'r.pl', ARGV[2].shdump
+	$stdin.reopen tos.first
+	tos.last.close
+	$stdout.reopen tor.last
+	tor.first.close
+	$stderr.puts( {proc: 'c', exec: 'reciever', destination: ARGV[2]}.to_json)
+	exec 'perl', 'r.pl', ARGV[2].shdump
+end
diff --git a/r.pl b/r.pl
index 65625a8..2682f12 100755
--- a/r.pl
+++ b/r.pl
@@ -1,16 +1,47 @@
 #!/usr/bin/env perl
 
-while( read( STDIN, my $data, 6)) {
-	my( $cmd, $length) = unpack 'nN', $data;
-	read STDIN, my $data, $length;
+use strict;
+use warnings;
+$|++;
+
+$SIG{CLD} = sub {
+	printf STDERR "{proc: \"r\", action: \"child_died\"}\n";
+	wait;
+	printf STDERR "{proc: \"r\", action: \"exit\", code: 0}\n";
+	exit 0;
+};
+
+my @cmds = (
+	1 => 'file',
+	2 => 'content'
+);
+
+print STDERR "r << s";
+
+sub readcmd {
+	my $data = '';
+	while( length( $data) < 6) {
+		read( STDIN, $data, 6-length($data), length($data)) or return(0);
+	}
+	$data;
+}
+
+while( my$data = readcmd) {
+	printf STDERR "{proc: \"r\", read_length: %d}\n", length( $data);
+	(my$cmd, my$length) = unpack( 'nN', $data);
+	print STDERR "{cmd: $cmd, length: $length}\n";
+	print STDERR "r << s\n";
+	read STDIN, $data, $length;
 	if( 1 == $cmd) {
 		print STDERR "{proc: \"r\", action: \"open_file\", file: \"$data\"}\n";
 		open( F, '>>', $data) or print STDERR ("{proc: \"r\", error: \"unable_to_open_file\", message: \"Can't open file <$data>.\"}\n");
-		my( $dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
+		my($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
        $atime,$mtime,$ctime,$blksize,$blocks) = stat F;
+		print STDERR "r >> s\n";
 		print pack( 'N', $size);
 	}
 	elsif( 2 == $cmd) {
+		print STDERR "r >> f\n";
 		print F $data;
 	}
 	else { 
diff --git a/s.pl b/s.pl
index 33e102d..0bd678b 100755
--- a/s.pl
+++ b/s.pl
@@ -1,22 +1,33 @@
 #!/usr/bin/env perl
 
-my $dir = shift @ARGV;
-$dir =~ /^(\/.*)\/([^\/]+)$/ or die( "{proc: \"s\", error: \"invalid_path_expression\", message: \"Path-Expression is invalid.\"}\n");
-($dir, my( $fexpr)) = ($1, $2);
+use strict;
+use warnings;
+$|++;
 
-print STDERR $fexpr;
+my%cmds = (file => 1, content => 2);
+
+my$dir = shift @ARGV;
+$dir =~ /^(\/.*)\/([^\/]+)$/ or die( "{proc: \"s\", error: \"invalid_path_expression\", message: \"Path-Expression is invalid.\"}\n");
+($dir, my$fexpr) = ($1, $2);
 
 chdir( $dir) or die( "{proc: \"s\", error: \"change_directory\", value: \"$dir\", message: \"$!\"}\n");
-opendir( my( $dh), '.') || die "{proc: \"s\", error: \"dir_not_found\", message: \"Directory not found.\"}\n";
-while( $filename = readdir( $dh)) {
-	print STDERR "{proc: \"s\", action: \"find\", file: \"$filename\"}\n";
+opendir( my$dh, '.') || die "{proc: \"s\", error: \"dir_not_found\", message: \"Directory not found.\"}\n";
+while( my$filename = readdir( $dh)) {
 	$filename =~ /$fexpr/ or next;
-	print pack( 'nN/(A*)', 1, $filename);
+	-f $filename or next;
+	print STDERR "s >> r\n";
+	print pack( 'nN/A*', $cmds{file}, $filename);
 	print STDERR "{proc: \"s\", action: \"open\", file: \"$filename\"}\n";
 	open F, $filename;
-	read STDIN, my $length, 4; # Was wenn < 4 ?
-	seek F, $length, SEEK_SET;
-	print pack( 'nN/(A*)', 2, $r)  while read( F, $r, 2048);
+	print STDERR "s << r\n";
+	read STDIN, my$length, 4; # Was wenn < 4 ?
+	$length = unpack 'N', $length;
+	print STDERR "s: seek $length\n";
+	seek F, $length, 0;
+	print STDERR "s >>>> r\n";
+ 	while( read( F, my$r, 2048)) {
+		print pack( 'nN/(A*)', $cmds{content}, $r);
+	}
 	print STDERR "{proc: \"s\", action: \"close\", file: \"$filename\"}\n";
 	close F;
 }