From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 27 Jun 2010 18:36:29 +0000 (+0100)
Subject: shows the news graphs
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ijackson/git?a=commitdiff_plain;h=3c8f7fb9f89b5eb82c0cf88f15da317f8b427b16;p=rrd-graphs.git

shows the news graphs
---

diff --git a/cgi b/cgi
index 996a5c9..aed4059 100755
--- a/cgi
+++ b/cgi
@@ -17,19 +17,30 @@ our $SELF= '/home/ijackson/things/rrd-graphs';
 
 my $self= url(-relative=>1);
 
-our (@sections, %sections, %graphs);
+our (@sections, %section_groups, %group_elems, %graphs);
 
 our @timeranges= (3600, map { $_*86400 } qw(1 7 28), 13*7+1);
 
-sub graph ($$$$) {
-    my ($section, $gname, $basis, $args) = @_;
+sub graph_of_group ($$$$$) {
+    my ($section, $group, $elem, $basis, $args) = @_;
     $basis->{Args}= $args;
     $basis->{Slower}= 0 unless exists $basis->{Slower};
-    $graphs{$section,$gname}= $basis;
-    if (!exists $sections{$section}) {
-	push @sections, $section;
+
+    $graphs{$section,$group,$elem}= $basis;
+    if (!exists $group_elems{$section,$group}) {
+	# new group then
+	if (!exists $section_groups{$section}) {
+	    # new section even
+	    push @sections, $section;
+	}
+	push @{ $section_groups{$section} }, $group;
     }
-    push @{ $sections{$section} }, $gname;
+    push @{ $group_elems{$section,$group} }, $elem;
+}
+
+sub graph ($$$$) {
+    my ($section, $gname, $basis, $args) = @_;
+    graph_of_group($section, $gname,'', $basis, $args);
 }
 
 graph('General', 'Load', { },
@@ -137,9 +148,8 @@ foreach my $src (<$SELF/news-stats/*.rrd>) {
     $site =~ s,_(in|out)$,,;
     my $inout= $1;
     $site =~ s/^([-.0-9a-z]+)_//;
-    my $us= $1;
-    graph('News',
-	  $inout eq 'out' ? "$us -> $site" : "$site -> $us",
+    my $us= $1; # all very well but we ignore it
+    graph_of_group("News", $site, $inout,
 	  {
 	        Slower => 1,
 	    }, $inout eq 'out' ?
@@ -196,8 +206,6 @@ navsetting({
 });
 
 
-my $gname= param('graph');
-
 sub num_param ($$$$) {
     my ($param,$def,$min,$max) = @_;
     my $v= param($param);
@@ -208,8 +216,11 @@ sub num_param ($$$$) {
     return $v + 0;
 }
 
-if ($gname) {
-    my $g= $graphs{$section,$gname};
+my $group= param('graph');
+
+my $elem= param('elem');
+if (defined $elem) {
+    my $g= $graphs{$section,$group,$elem};
     die unless $g;
 
     my @args= @{ $g->{Args} };
@@ -217,17 +228,21 @@ if ($gname) {
     my $width= num_param('w',370,100,1600);
     my $height= num_param('h',200,100,1600);
 
-    my $end= param('end');
-    if (defined $end) {
-        $end =~ m/^(\d+)$/ or die;
-        unshift @args, qw(--end now --start), "end-${end}s";
-    }
+    my $sloth= param('sloth');
+    die unless defined $sloth;
+    $sloth =~ m/^(\d+)$/ or die;
+    my $end= $timeranges[$sloth];
+    die unless defined $end;
+    unshift @args, qw(--end now --start), "end-${end}s";
+    
     if (param('debug')) {
         print((join "\n",@args),"\n"); exit 0;
     }
     print "Content-Type: image/png\n\n";
 
-    my $title= $gname;
+    my $title= $group;
+    if (length $elem) { $title.= " $elem"; }
+
     $title .= " $g->{Units}" if $g->{Units};
     unshift @args, '-t', $title;
     
@@ -274,12 +289,18 @@ sub start_page ($) {
 
 my $detail= param('detail');
 if ($detail) {
-    my $g= $graphs{$section,$detail};
-    die unless $g;
+    my $elems= $group_elems{$section,$detail};
+    die unless $elems;
     start_page("$detail graphs");
-    foreach my $end (@timeranges[$g->{Slower}..$g->{Slower}+3]) {
-	my $imgurl= "$self?graph=$detail&section=$section&end=$end";
-        print "<a href=\"$imgurl&w=780&h=800\"><img src=\"$imgurl\"></a>\n";
+    foreach my $elem (@$elems) {
+	my $g= $graphs{$section,$detail,$elem};
+	die unless $g;
+	foreach my $tsloth ($g->{Slower}..$g->{Slower}+3) {
+	    my $imgurl= "$self?graph=$detail&section=$section".
+		"&sloth=$tsloth&elem=$elem";
+	    print "<a href=\"$imgurl&w=780&h=800\">";
+	    print "<img src=\"$imgurl\"></a>\n";
+	}
     }
     print end_html();
     exit 0;
@@ -307,11 +328,17 @@ if (param('debug')) {
 
 start_page("$section graphs");
 
-foreach my $gname (@{ $sections{$section} }) {
-    my $g= $graphs{$section,$gname};
-    print "<a href=\"$self?detail=$gname&section=$section\">";
-    my $end= $timeranges[$g->{Slower}+$sloth];
-    my $imgurl= "$self?graph=$gname&section=$section&end=$end";
-    print "<img src=\"$imgurl\"></a>\n";
+foreach my $group (@{ $section_groups{$section} }) {
+    print "<a href=\"$self?detail=$group&section=$section\">";
+    my $imgurl= "$self?graph=$group&section=$section";
+    my $elems= $group_elems{$section,$group};
+    if (@$elems > 1) { print "<table><tr><td>"; }
+    foreach my $elem (@$elems) {
+	my $g= $graphs{$section,$group,$elem};
+	print "<img src=\"$imgurl&elem=$elem&sloth=".
+	    ($sloth + $g->{Slower})."\">";
+    }
+    if (@$elems > 1) { print "</td></tr></table>"; }
+    print "</a>\n";
 }