/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008-2012 Marco Costalba, Joona Kiiski, Tord Romstad
+ Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
+ Copyright (C) 2015-2019 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
#include <iostream>
-#include <string>
+#include <thread>
#include "bitboard.h"
-#include "evaluate.h"
#include "position.h"
#include "search.h"
#include "thread.h"
-#include "ucioption.h"
+#include "tt.h"
+#include "uci.h"
+#include "syzygy/tbprobe.h"
-using namespace std;
+#include <grpc/grpc.h>
+#include <grpc++/server.h>
+#include <grpc++/server_builder.h>
+#include "hashprobe.grpc.pb.h"
-extern void uci_loop();
-extern void benchmark(int argc, char* argv[]);
-extern void kpk_bitbase_init();
+using grpc::Server;
+using grpc::ServerBuilder;
+using grpc::ServerContext;
+using grpc::Status;
+using grpc::StatusCode;
+
+class HashProbeImpl final : public HashProbe::Service {
+public:
+ Status Probe(ServerContext* context,
+ const HashProbeRequest* request,
+ HashProbeResponse *response) {
+ Position pos(request->fen(), /*isChess960=*/false, Threads.main());
+ if (!pos.pos_is_ok()) {
+ return Status(StatusCode::INVALID_ARGUMENT, "Invalid FEN");
+ }
+ bool found;
+ TTEntry *entry = TT.probe(pos.key(), found);
+ response->set_found(found);
+ if (found) {
+ response->set_move(entry->move());
+ response->set_value(entry->value());
+ response->set_eval(entry->eval());
+ response->set_depth(entry->depth());
+ response->set_bound(HashProbeResponse::ValueBound(entry->bound()));
+ }
+ return Status::OK;
+ }
+};
+
+void rpc_thread()
+{
+ std::string server_address("0.0.0.0:50051");
+ HashProbeImpl service;
+
+ ServerBuilder builder;
+ builder.AddListeningPort(server_address, grpc::InsecureServerCredentials());
+ builder.RegisterService(&service);
+ std::unique_ptr<Server> server(builder.BuildAndStart());
+ std::cout << "Server listening on " << server_address << std::endl;
+ server->Wait();
+}
+
+namespace PSQT {
+ void init();
+}
int main(int argc, char* argv[]) {
- bitboards_init();
+ std::cout << engine_info() << std::endl;
+
+ UCI::init(Options);
+ PSQT::init();
+ Bitboards::init();
Position::init();
- kpk_bitbase_init();
+ Bitbases::init();
Search::init();
- Threads.init();
- eval_init();
- TT.set_size(Options["Hash"]);
-
- cout << engine_info() << endl;
-
- if (argc == 1)
- uci_loop();
+ Pawns::init();
+ Threads.set(Options["Threads"]);
+ Search::clear(); // After threads are up
- else if (string(argv[1]) == "bench")
- benchmark(argc, argv);
+ std::thread(&rpc_thread).detach();
- else
- cerr << "\nUsage: stockfish bench [hash size = 128] [threads = 1] "
- << "[limit = 12] [fen positions file = default] "
- << "[limited by depth, time, nodes or perft = depth]" << endl;
+ UCI::loop(argc, argv);
- Threads.exit();
+ Threads.set(0);
+ return 0;
}