Live-Ergebnisse aus CS2-Serverlogs (Backend)
Server bekommt beim Konfigurieren logaddress_add_http mit geheimem Match-Schlüssel. Ein Parser wertet Rundenende, Seitenzuordnung, Matchstart und Spielende aus; Stand, Rundenverlauf und Sieger werden pro Map gespeichert und live verteilt. Der Demo-Adapter simuliert nach der Aufwärmphase einen Matchverlauf über dieselben Logzeilen.
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// Reine Auswertung von CS2-Serverlogs (logaddress_add_http) zu Live-Spielständen.
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// Kein Datenbank- oder Netzwerkzugriff, damit sich die Logik mit Beispielzeilen testen lässt.
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//
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// Ausgewertete Zeilen (Präfix mit Datum/Uhrzeit wird ignoriert):
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// World triggered "Match_Start" on "de_mirage"
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// MatchStatus: Team playing "CT": MaxLAN Blau
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// Team "TERRORIST" triggered "SFUI_Notice_Terrorists_Win" (CT "3") (T "5")
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// Game Over: competitive mg_active de_mirage score 13:9 after 35 min
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const RE = {
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matchStart: /World triggered "Match_Start" on "([^"]+)"/,
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teamPlaying: /Team playing "(CT|TERRORIST)": (.+?)\s*$/,
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roundEnd: /Team "(CT|TERRORIST)" triggered "SFUI_Notice_(\w+)" \(CT "(\d+)"\) \(T "(\d+)"\)/,
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gameOver: /Game Over: \S+ \S+ (\S+) score (\d+):(\d+)/,
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};
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// Gründe für ein Rundenende aus den SFUI-Hinweisen
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const REASONS = {
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Target_Bombed: 'bomb',
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Bomb_Defused: 'defuse',
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Target_Saved: 'time',
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CTs_Win: 'elimination',
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Terrorists_Win: 'elimination',
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Terrorists_Surrender: 'surrender',
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CTs_Surrender: 'surrender',
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};
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const other = (team) => (team === 'A' ? 'B' : 'A');
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const normalizeName = (name) => String(name ?? '').trim().toLowerCase();
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/** Neuer Live-Zustand einer Map. ctTeam = Team, das laut Veto auf CT startet. */
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export function initialLiveState({ map, ctTeam }) {
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const startCt = ctTeam ?? 'A';
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return {
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map,
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status: 'warmup',
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startCt,
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sides: { CT: startCt, T: other(startCt) },
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sidesFromLog: false,
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score: { A: 0, B: 0 },
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rounds: [],
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winner: null,
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};
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}
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/**
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* Wendet Logzeilen auf den Zustand an.
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* @param {object} state Zustand aus initialLiveState bzw. vorherigem Aufruf
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* @param {string[]} lines Logzeilen
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* @param {object} ctx { teamNames: {A, B}, maxRounds, overtimeRounds }
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* @returns {{ state, events }} events: [{ type: 'match_start'|'round'|'map_end', ... }]
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*/
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export function applyLogLines(state, lines, ctx) {
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const s = structuredClone(state);
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const events = [];
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const names = { A: normalizeName(ctx.teamNames.A), B: normalizeName(ctx.teamNames.B) };
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for (const line of lines) {
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let m;
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if ((m = RE.matchStart.exec(line))) {
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// Echter Matchbeginn (nach Aufwärmphase oder mp_restartgame): Zählung beginnt neu.
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if (m[1] !== s.map) continue;
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Object.assign(s, { status: 'live', score: { A: 0, B: 0 }, rounds: [], winner: null });
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// Seitenzuordnung aus dem Log hat Vorrang vor der Annahme aus dem Veto.
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if (!s.sidesFromLog) s.sides = { CT: s.startCt, T: other(s.startCt) };
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events.push({ type: 'match_start', map: s.map });
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} else if ((m = RE.teamPlaying.exec(line))) {
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const side = m[1] === 'CT' ? 'CT' : 'T';
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const name = normalizeName(m[2]);
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const team = name === names.A ? 'A' : name === names.B ? 'B' : null;
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if (team) {
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s.sides[side] = team;
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s.sides[side === 'CT' ? 'T' : 'CT'] = other(team);
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s.sidesFromLog = true;
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}
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} else if ((m = RE.roundEnd.exec(line))) {
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if (s.status === 'finished') continue;
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if (s.status === 'warmup') s.status = 'live';
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const winnerSide = m[1] === 'CT' ? 'CT' : 'T';
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const sideScore = { CT: Number(m[3]), T: Number(m[4]) };
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const winner = s.sides[winnerSide];
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const number = sideScore.CT + sideScore.T;
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if (number <= s.rounds.length) continue; // doppelt gesendete Zeile
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s.rounds.push({ number, winner, side: winnerSide, reason: REASONS[m[2]] ?? 'other' });
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// Stand aus den Seitenwerten der Zeile übernehmen – korrigiert sich damit bei verlorenen Zeilen selbst.
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s.score = { [s.sides.CT]: sideScore.CT, [s.sides.T]: sideScore.T };
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events.push({ type: 'round', number, winner, score: { ...s.score } });
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if (!s.sidesFromLog) maybeSwitchSides(s, number, ctx);
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} else if ((m = RE.gameOver.exec(line))) {
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if (m[1] !== s.map || s.status === 'finished') continue;
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s.status = 'finished';
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s.winner = s.score.A === s.score.B ? null : s.score.A > s.score.B ? 'A' : 'B';
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events.push({ type: 'map_end', winner: s.winner, score: { ...s.score } });
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}
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}
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return { state: s, events };
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}
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/**
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* Ersatz, wenn der Server keine "Team playing"-Zeilen schickt: Seitenwechsel nach Regelwerk.
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* Halbzeit nach maxRounds/2, in der Verlängerung nach jeder halben Verlängerung.
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*/
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function maybeSwitchSides(s, roundsPlayed, { maxRounds, overtimeRounds = 6 }) {
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const half = maxRounds / 2;
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const otHalf = overtimeRounds / 2;
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const regulationSwitch = roundsPlayed === half;
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const overtimeSwitch = roundsPlayed > maxRounds && (roundsPlayed - maxRounds) % otHalf === 0
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&& ((roundsPlayed - maxRounds) / otHalf) % 2 === 1;
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if (regulationSwitch || overtimeSwitch) s.sides = { CT: s.sides.T, T: s.sides.CT };
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}
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/** Teilt einen HTTP-Body in Logzeilen. */
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export function splitLogBody(body) {
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return String(body ?? '').split(/\r?\n/).map((l) => l.trim()).filter(Boolean);
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}
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/** Serienstand aus den Ergebnissen der einzelnen Maps. */
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export function seriesScore(maps) {
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const score = { A: 0, B: 0 };
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for (const m of maps) if (m.winner) score[m.winner] += 1;
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return score;
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}
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