mirror of
https://github.com/FraMecca/Buridans_donkey.git
synced 2024-03-20 11:20:15 +01:00
80 lines
2 KiB
D
80 lines
2 KiB
D
import vibe.appmain;
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import vibe.http.server;
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import std.stdio;
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import std.range;
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import std.string;
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import std.exception;
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import std.array;
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import std.random;
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import std.file;
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const (string[]) shuffle(string[] args, const string t)
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{
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if(t == "mt"){
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Mt19937 gen;
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gen.seed(unpredictableSeed);
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args.randomShuffle(gen);
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} else if (t == "x"){
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Xorshift32 gen;
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gen.seed(unpredictableSeed);
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args.randomShuffle(gen);
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} else if (t == "du"){
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auto gen = DevRandomGen!"/dev/urandom"();
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args.randomShuffle(gen);
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} else if (t == "dr"){
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auto gen = DevRandomGen!"/dev/random"();
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args.randomShuffle(gen);
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} else {
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throw new Exception("Wrong arguments");
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}
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return args;
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}
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template DevRandomGen(string gen)
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if (gen == "/dev/random" || gen == "/dev/urandom")
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{
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struct DevRandomGen
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{
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alias UIntType = uint;
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public:
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enum bool isUniformRandom = true;
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enum empty = false;
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/// Smallest generated value.
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enum UIntType min = 0;
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/// Largest generated value.
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enum UIntType max = ubyte.max;
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string src = gen;
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void seed(UIntType x0) @safe pure nothrow @nogc {}
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void popFront() @safe pure nothrow @nogc {}
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@property
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UIntType front() const { return (cast(ubyte[])(src.read(ubyte.sizeof)))[0]; }
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@property
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typeof(this) save() @safe pure nothrow @nogc { return this; }
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}
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}
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void handleRequest(scope HTTPServerRequest req, scope HTTPServerResponse res)
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{
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immutable path = req.requestPath.bySegment.array;
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enforce(path.length == 3); // path[0] == ""
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auto engine = path[1].toString;
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auto args = path[2].toString.split(",");
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const result = shuffle(args, engine);
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immutable body = "Asino says:</br><ul>" ~ "<li>" ~ result.join("</li><li>") ~ "</ul>";
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res.headers["Content-Type"] = "text/html";
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res.writeBody(body);
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}
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shared static this()
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{
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auto settings = new HTTPServerSettings;
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settings.port = 8080;
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settings.bindAddresses = ["::1", "127.0.0.1"];
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listenHTTP(settings, &handleRequest);
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}
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