2010-09-13 17:32:51 -06:00
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#! /usr/bin/awk -f
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##
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##
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2010-09-23 18:23:00 -06:00
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## I'm not super happy with how this code looks. Rest assured, though,
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## the C version would look far, far worse.
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2010-09-13 17:32:51 -06:00
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##
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##
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function qsort(A, left, right, i, last) {
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if (left >= right)
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return
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swap(A, left, left+int((right-left+1)*rand()))
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last = left
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for (i = left+1; i <= right; i++)
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if (A[i] < A[left])
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swap(A, ++last, i)
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swap(A, left, last)
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qsort(A, left, last-1)
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qsort(A, last+1, right)
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}
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function swap(A, i, j, t) {
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t = A[i]; A[i] = A[j]; A[j] = t
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}
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function escape(s) {
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gsub("&", "&", s)
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gsub("<", "<", s)
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gsub(">", ">", s)
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return s
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}
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function print_bar(cat, team, n, d) {
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printf("<div class=\"t%s score\"" \
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" style=\"height: %.2f%%;\"" \
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" onmouseover=\"highlight('%s')\"" \
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" onmouseout=\"restore('%s')\">\n" \
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"<!-- %s --> %s: %s\n" \
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"</div>",
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team,
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100 * n / d,
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team,
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team,
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cat, escape(names_by_team[team]), n)
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}
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function output( t, c) {
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for (t in teams) {
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score = 0;
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for (c in points_by_cat) {
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if (points_by_cat[c] > 0) {
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score += points_by_cat_team[c, t] / points_by_cat[c];
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}
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}
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if (score > maxscore) {
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maxscore = score
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}
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if (score > maxscores_by_team[t]) {
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maxscores_by_team[t] = score
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}
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scores_by_team_time[t, lasttime] = score
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}
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timestamps[tslen++] = lasttime
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}
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BEGIN {
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base = ENVIRON["CTF_BASE"]
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if (! base) {
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2010-09-23 23:27:14 -06:00
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base = "/var/lib/ctf"
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2010-09-13 17:32:51 -06:00
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}
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# Only display two decimal places
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CONVFMT = "%.2f"
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# New point at least every 2.5 minutes
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interval = 150
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tslen = 0
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while (1 == getline) {
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time = $1
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team = $2
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cat = $3
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points = int($4)
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if (! start) {
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start = time
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}
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if (time > (outtime + interval)) {
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outtime = time
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output()
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}
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lasttime = time
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teams[team] = team
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points_by_cat[cat] += points
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points_by_cat_team[cat, team] += points
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}
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output()
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# Get team colors and names
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for (team in teams) {
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2010-09-23 23:27:14 -06:00
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# Busybox awk segfaults if you try to close a file that didn't
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# exist. We work around it by calling cat.
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cmd = sprintf("cat %s/teams/colors/%s", base, team)
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cmd | getline color
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if (! color) color = "cccccc";
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colors_by_team[team] = color
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close(cmd)
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cmd = sprintf("cat %s/teams/names/%s", base, team)
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cmd | getline name
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if (! name) name = team
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names_by_team[team] = name
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close(cmd)
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2010-09-13 17:32:51 -06:00
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}
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# Sort categories
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ncats = 0
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for (cat in points_by_cat) {
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cats[ncats++] = cat
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}
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qsort(cats, 0, ncats-1)
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# Create a sorted list of scores
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nteams = 0
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for (team in teams) {
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scores[nteams++] = scores_by_team_time[team, lasttime]
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}
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qsort(scores, 0, nteams-1)
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# Now we can start writing the document
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print "<!DOCTYPE html>"
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print "<html>"
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print " <head>"
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print " <title>Scoreboard</title>"
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print " <link rel=\"stylesheet\" href=\"ctf.css\" type=\"text/css\">"
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print " <script type=\"application/javascript\" src=\"scoreboard.js\"></script>"
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# Provide raw data for the chart
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print " <script type=\"application/javascript\">"
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print "function init() {"
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printf(" plot(\"chart\", %d, %.2f, {\n", tslen, maxscore)
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c = 0
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for (team in teams) {
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if (maxscores_by_team[team] / maxscore < 0.01) continue
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printf(" \"%s\": [\"#%s\",[", team, colors_by_team[team])
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for (i = 1; i < tslen; i += 1) {
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time = timestamps[i]
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printf("[%d,%.2f],",
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i, scores_by_team_time[team, time])
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}
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printf("]],\n");
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}
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print " });"
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print " if (location.hash) {"
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print " cycle();"
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print " setInterval(cycle, 10000);"
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print " }"
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print "}"
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print "window.onload = init;"
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print " </script>"
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# Reload every minute
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print " <meta http-equiv=\"refresh\" content=\"60\">"
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# Set up team colors and a few page-specific styles
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print " <style type=\"text/css\">"
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print " body { width: 100%; }"
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print " .score { overflow: hidden; color: black; }"
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for (team in teams) {
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printf(" .t%s { background-color: #%s; }\n",
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team, colors_by_team[team])
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}
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print " </style>"
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print " </head>"
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print " <body>"
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print " <h1>Scoreboard</h1>"
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print "<p id=\"debug\"></p>"
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print " <table id=\"scoreboard\">"
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print " <tr>"
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print " <th>Overall</th>"
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# Print out category names
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for (i = 0; i < ncats; i += 1) {
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cat = cats[i]
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points = points_by_cat[cat]
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if (0 == points) continue
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printf("<th>%s (%d)</th>\n", cat, points)
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}
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print " </tr>"
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print " <tr>"
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# Print out teams, ranked by score
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print " <td>"
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for (i = 0; i < nteams; i += 1) {
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if (scores[i] == scores[i-1]) continue;
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for (team in teams) {
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if (scores[i] == scores_by_team_time[team, lasttime]) {
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name = names_by_team[team]
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print_bar("total", team, scores[i], ncats)
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}
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}
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}
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print " </td>"
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# Print out scores within each category
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for (i = 0; i < ncats; i += 1) {
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cat = cats[i]
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points = points_by_cat[cat]
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if (0 == points) break;
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print "<td>"
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# Create sorted list of scores in this category
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n = 0
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for (team in teams) {
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l[n++] = points_by_cat_team[cat, team];
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}
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qsort(l, 0, n-1)
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# Print out teams, ranked by points
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for (j = 0; j < n; j += 1) {
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if (l[j] == l[j-1]) continue;
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if (0 == l[j]) break;
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for (team in teams) {
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points = points_by_cat_team[cat, team]
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if (l[j] == points) {
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name = names_by_team[team]
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print_bar(cat, team, points, points_by_cat[cat])
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}
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}
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}
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print "</td>"
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}
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print " </tr>"
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print " </table>"
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print " <canvas id=\"chart\" width=\"800\" height=\"400\"></canvas>"
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print " </body>"
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print "</html>"
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}
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