--- lib/PXElator/httpd.pm	2009/07/29 17:42:48	42
+++ lib/PXElator/httpd.pm	2009/07/30 21:31:30	67
@@ -17,39 +17,161 @@
 use File::Slurp;
 #use JSON;
 use IO::Socket::INET;
+use Module::Refresh;
+
+our $pids = { httpd => $$ };
+
+sub DESTROY {
+	warn "pids ",dump( $pids );
+	foreach ( values %$pids ) {
+		warn "kill $_";
+		kill 1,$_ || kill 9, $_;
+	}
+}
 
 our $port = 7777;
-our $debug = 1;
 
 use server;
-our $url = "http://$server::ip:$port/";
+our $debug = server::debug;
+our $url = "http://$server::ip:$port";
+
+use html;
 
 sub static {
 	my ($client,$path) = @_;
 
-	$path = "tftp/$path";
+	my $full = "$server::base_dir/tftp/$path";
 
-	if ( ! -e $path ||  -d $path ) {
-		print $client "HTTP/1.0 404 $path not found\r\n";
-		return;
-	}
+	return if ! -f $full;
 
-	my $type = 'text/plain';
+	my $type = 'application/octet-stream';
 	$type = 'text/html' if $path =~ m{\.htm};
 	$type = 'application/javascript' if $path =~ m{\.js};
+	$type = 'text/plain' if $path =~ m{\.txt};
 
-	print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\nContent-Length: ", -s $path,"\r\n\r\n";
-	open(my $html, $path);
-	while(<$html>) {
-		print $client $_;
+	my $size = -s $full || return;
+
+	print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\nContent-Length: $size\r\nConnection: close\r\n\r\n";
+
+	open(my $fh, $full);
+	print "static $path $type $size\n";
+
+	my $block = 8192;
+	my $buff;
+	my $pos = 0;
+
+	while( my $len = read $fh, $buff, $block ) {
+		print $client $buff;
+		$pos += $len;
+		printf "%s %d/%d %.2f%%\r", $path, $pos, $size, $pos * 100 / $size;
 	}
-	close($html);
+	close($fh);
+	close($client);
+
+	print "$path $pos == $size OK\n";
 
 	return $path;
 }
 
-my $ok = "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n";
+use boolean;
 
+use screen;
+use kvm;
+
+$SIG{CHLD} = 'IGNORE';
+
+sub start_stop {
+	my $daemon = shift;
+	my $pid = $pids->{$daemon};
+
+	warn "start_stop $daemon $pid pids: ",dump( $pids );
+
+	if ( $pid =~ m{^\d+$} ) {
+		warn "kill 9 $pid";
+		kill 9, $pid;
+		$pids->{$daemon} = 'stopped';
+		return qq|$daemon pid $pid stopped|;
+	} else {
+		if ( $pid = fork ) {
+			# parent
+			$pids->{$daemon} = $pid;
+			warn "forked $daemon $pid";
+			return qq|$daemon pid $pid started|;
+		} elsif ( defined $pid ) {
+			# child
+			my $eval = $daemon . '::start(' . ( @_ ? dump(@_) : '' ) . ')';
+			warn "eval $eval";
+			eval $eval;
+			warn "can't start $daemon: $@" if $@;
+			exit;
+		} else {
+			die "fork error $!";
+		}
+	}
+}
+
+my $ok =       qq|HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n|;
+my $redirect = qq|HTTP/1.1 302 Found\r\nContent-type: text/html\r\nLocation: $url\r\n\r\n|;
+
+sub get_request {
+	my ( $client, $path, $param ) = @_;
+
+	warn "get_request $client $path ",dump( $param );
+
+	if ( my $found = static( $client,$path ) ) {
+		warn "static $found" if $debug;
+	} elsif ( $path eq '/' ) {
+
+		my $screen = $pids->{screen} ? qq|stop <tt>$pids->{screen}</tt>|	: 'start';
+		my $kvm    = $pids->{kvm}    ? qq|stop <tt>$pids->{kvm}</tt>|		:
+					 $pids->{screen} ? qq|start|							: qq|start screen first|;
+
+		my @rows = (
+			'ip',		html::tt( $server::ip ),
+			'netmask',	html::tt( $server::netmask ),
+
+			'debug',	qq|<a href=/our/debug/| . boolean::toggle($debug) . qq|>$debug</a>|,
+		);
+		foreach my $name ( %$pids ) {
+			my $pid = $pids->{$name} || next;
+			my $proc = "/proc/$pid/status";
+
+			my $html = qq|<a href=/$name>$pid</a>|;
+			$html   .= qq|<pre style="font-size: 10%">|
+					.  ( $debug && -e $proc ? read_file($proc) : '' )
+					.  qq|</pre>| if $debug;
+
+			push @rows, ( $name => $html );
+		}
+
+		print $client $ok, html::table( 2, @rows );
+
+	} elsif ( $path =~ m{^/our/(\w+)/(\S+)} ) {
+		eval 'our $' . $1 . ' = ' . $2;
+		warn $@ if $@;
+		print $client $redirect, qq|<big>$1 = $2</big><br>Location: <a href="$url">$url</a>|;
+		server::debug( $debug ) if $1 eq 'debug';
+	} elsif ( $path =~ m{^/(screen|kvm)} ) {
+		print $client $redirect, start_stop($1);
+ 	} elsif ( $path eq '/exit' ) {
+#		DESTROY;
+		exit 0;
+	} elsif ( $path =~ m{/boot} ) {
+		print $client qq{$ok
+#!gpxe
+imgfree
+login
+chain http://$server::ip:$httpd::port/
+
+			};
+	} else {
+		print $client "HTTP/1.0 404 $path\r\nConnection: close\r\nContent-type: text/html\r\n\r\n<big>404 $path</big>";
+		warn "404 $path";
+	}
+
+}
+
+use browser;
 
 sub start {
 
@@ -58,13 +180,13 @@
 			LocalPort => $httpd::port,
 			Listen    => SOMAXCONN,
 			Reuse     => 1
-	);
-									  
-	die "can't setup server" unless $server;
+	) || die "can't start server on $url: $!";
 
 	print "url $url\n";
 
-	system "/mnt/llin/rest/cvs/uzbl/uzbl -u $url &";
+	start_stop 'browser', $url;
+	start_stop 'screen';
+	start_stop 'kvm';
 
 	while (my $client = $server->accept()) {
 		$client->autoflush(1);
@@ -72,51 +194,38 @@
 
 		warn "request $request\n" if $debug;
 
+		Module::Refresh->refresh;
+
 		if ($request =~ m{^GET (/.*) HTTP/1.[01]}) {
-			my $method = $1;
+			my $path = $1;
 			my $param;
-			if ( $method =~ s{\?(.+)}{} ) {
+			if ( $path =~ s{\?(.+)}{} ) {
 				foreach my $p ( split(/[&;]/, $1) ) {
 					my ($n,$v) = split(/=/, $p, 2);
 					$param->{$n} = $v;
 				}
 				warn "param: ",dump( $param ) if $debug;
 			}
-			warn "method $method";
-
-			if ( my $path = static( $client,$1 ) ) {
-				warn "static $path" if $debug;
-			} elsif ( $method eq '/' ) {
-				print $client qq{$ok
-					pid <tt>$$</tt>
-					debug $debug
-				};
-				
-			} elsif ( $method =~ m{/boot} ) {
-				print $client qq{$ok
-#!gpxe
-imgfree
-login
-chain http://$server::ip:$httpd::port/
-
-					};
-			} else {
-				print $client "HTTP/1.0 404 Unkown method\r\nConnection: close\r\nContent-type: text/plain\r\n\r\n404 $request";
-				warn "404 $request";
-			}
+			warn "path $path param: ",dump( $param );
+			get_request $client, $path, $param;
 		} else {
 			print $client "HTTP/1.0 500 No method\r\nConnection: close\r\nContent-type: text/plain\r\n\r\n500 $request";
 			warn "500 $request";
 		}
 
 		print $client qq{
-		<a href="">reload</a>	
-		};
+		<div style="font-size: 80%; color: #888">
+		<a href="">reload</a>
+		<a href=/>index</a>
+		<a href=/exit>exit</a>
+		</div>
+		} if $client->connected;
 
-		close($client);
 	}
 
 	die "server died";
 }
 
+warn "loaded";
+
 1;