--- lib/PXElator/httpd.pm	2009/07/29 17:42:48	42
+++ lib/PXElator/httpd.pm	2009/07/30 16:26:54	64
@@ -17,12 +17,15 @@
 use File::Slurp;
 #use JSON;
 use IO::Socket::INET;
+use Module::Refresh;
 
 our $port = 7777;
 our $debug = 1;
 
 use server;
-our $url = "http://$server::ip:$port/";
+our $url = "http://$server::ip:$port";
+
+use html;
 
 sub static {
 	my ($client,$path) = @_;
@@ -50,6 +53,87 @@
 
 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;
+our $pids;
+
+$SIG{CHLD} = 'IGNORE';
+
+sub start_stop {
+	my $daemon = shift;
+	my $pid = $pids->{$daemon};
+
+	warn "start_stop $daemon pids: ",dump( $pids );
+
+	if ( $pid ) {
+		warn "kill 9 $pid";
+		kill 9, $pid;
+		delete $pids->{$daemon};
+		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';
+			warn "eval $eval";
+			eval $eval;
+			warn "can't start $daemon: $@" if $@;
+			exit;
+		} else {
+			die "fork error $!";
+		}
+	}
+}
+
+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|;
+
+		print $client $ok,
+		html::table( 2,
+			'pid',		html::tt( $$ ),
+			'ip',		html::tt( $server::ip ),
+			'netmask',	html::tt( $server::netmask ),
+			'debug',	qq|<a href=/our/debug/| . boolean::toggle($debug) . qq|>$debug</a>|,
+			'screen',	qq|<a href=/screen>$screen</a>|,
+			'kvm',		qq|<a href=/kvm>$kvm</a>|,
+		);
+
+	} elsif ( $path =~ m{^/our/(\w+)/(\S+)} ) {
+		eval 'our $' . $1 . ' = ' . $2;
+		warn $@ if $@;
+		print $client qq|HTTP/1.1 302 Found\r\nLocation: $url\r\nContent-type: text/html\r\n\r\n<big>$1 = $2</big><br>Location: <a href="$url">$url</a>|;
+	} elsif ( $path =~ m{^/(screen|kvm)} ) {
+		print $client $ok, start_stop($1);
+	} 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";
+	}
+
+}
 
 sub start {
 
@@ -58,9 +142,7 @@
 			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";
 
@@ -72,51 +154,37 @@
 
 		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>
+		</div>
+		} if $client->connected;
 
-		close($client);
 	}
 
 	die "server died";
 }
 
+warn "loaded";
+
 1;