1 files changed, 52 insertions, 0 deletions
diff --git a/tour_worker.js b/tour_worker.js
new file mode 100644
index 0000000..2516375
--- /dev/null
+++ b/tour_worker.js
@@ -0,0 +1,52 @@
+#!/usr/bin/env node
+
+if (process.argv.length != 4) {
+	console.log("Usage: ./tour_worker.js <num_turns> <logs_dir>");
+	console.log("Runs a game with each of the seeds given on stdin with the specified number of turns.");
+	console.log("Game logs will be written to hopefully uniquely named files in the pre-existing directory <logs_dir>.");
+	console.log("Writes results to stdout, in the format 'seed result', where <result> is the game result.");
+	console.log("Quits on EOF on stdin.");
+	process.exit(1);
+}
+
+const fs = require("fs");
+const child_process = require("child_process");
+
+const num_turns = +process.argv[2];
+const logs_dir = process.argv[3];
+
+let buffer = "";
+process.stdin.on("data", function(data) {
+	buffer += data;
+	let idx = buffer.indexOf("\n");
+	while (idx != -1) {
+		const line = buffer.slice(0, idx);
+		buffer = buffer.slice(idx + 1);
+		idx = buffer.indexOf("\n");
+
+		handle_line(line);
+	}
+});
+
+function handle_line(seed) {
+	const logfile = logs_dir + "/" + seed + "-" + new Date().getTime() + ".txt";
+	const file = fs.openSync(logfile, "w");
+
+	const proc = child_process.spawn(
+		"node",
+		["run_game.js", seed, num_turns + ""],
+		{stdio: ["inherit", file, "inherit"]}
+	);
+	fs.closeSync(file);
+
+	proc.on("exit", function(code, signal) {
+		if (code !== 0) {
+			console.log(seed + " crash");
+		} else {
+			let result = fs.readFileSync(logfile).toString().trim().split("\n");
+			result = result[result.length - 1];
+
+			console.log(seed + " " + result);
+		}
+	});
+}