/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008 Marco Costalba
+ 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
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-
-////
-//// Includes
-////
-
#include <iostream>
+#include <thread>
-#include "benchmark.h"
#include "bitboard.h"
-#include "direction.h"
-#include "endgame.h"
-#include "evaluate.h"
-#include "material.h"
-#include "mersenne.h"
-#include "misc.h"
-#include "movepick.h"
#include "position.h"
#include "search.h"
#include "thread.h"
+#include "tt.h"
#include "uci.h"
-#include "ucioption.h"
-
-using std::string;
-
-////
-//// Functions
-////
-
-int main(int argc, char *argv[]) {
-
- // Disable IO buffering
- std::cout.rdbuf()->pubsetbuf(NULL, 0);
- std::cin.rdbuf()->pubsetbuf(NULL, 0);
-
- // Initialization
-
- init_mersenne();
- init_direction_table();
- init_bitboards();
- init_uci_options();
- Position::init_zobrist();
- Position::init_piece_square_tables();
- MovePicker::init_phase_table();
- init_eval(1);
- init_bitbases();
- init_threads();
-
- // Make random number generation less deterministic, for book moves
- for (int i = abs(get_system_time() % 10000); i > 0; i--)
- genrand_int32();
-
- // Process command line arguments
- if (argc >= 2 && string(argv[1]) == "bench")
- {
- if (argc < 4 || argc > 7)
- {
- std::cout << "Usage: glaurung bench <hash size> <threads> "
- << "[time = 60s] [fen positions file = default] "
- << "[time, depth or node limited = time]"
- << std::endl;
- exit(0);
- }
- string time = argc > 4 ? argv[4] : "60";
- string fen = argc > 5 ? argv[5] : "default";
- string lim = argc > 6 ? argv[6] : "time";
- benchmark(string(argv[2]) + " " + string(argv[3]) + " " + time + " " + fen + " " + lim);
- return 0;
- }
-
- // Print copyright notice
- std::cout << engine_name() << ". Copyright (C) "
- << "2004-2008 Tord Romstad, Marco Costalba. "
- << std::endl;
-
- // Enter UCI mode
- uci_main_loop();
+#include "syzygy/tbprobe.h"
+
+#include <grpc/grpc.h>
+#include <grpc++/server.h>
+#include <grpc++/server_builder.h>
+#include "hashprobe.grpc.pb.h"
+
+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) {
+ Value value = entry->value();
+ Value eval = entry->eval();
+ Bound bound = entry->bound();
+
+ if (pos.side_to_move() == BLACK) {
+ value = -value;
+ eval = -eval;
+ if (bound == BOUND_UPPER) {
+ bound = BOUND_LOWER;
+ } else if (bound == BOUND_LOWER) {
+ bound = BOUND_UPPER;
+ }
+ }
+
+ response->set_move(entry->move());
+ response->set_depth(entry->depth());
+ response->set_eval(eval);
+ response->set_value(value);
+ response->set_bound(HashProbeResponse::ValueBound(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[]) {
+
+ std::cout << engine_info() << std::endl;
+
+ UCI::init(Options);
+ PSQT::init();
+ Bitboards::init();
+ Position::init();
+ Bitbases::init();
+ Search::init();
+ Pawns::init();
+ Threads.set(Options["Threads"]);
+ Search::clear(); // After threads are up
+
+ std::thread(&rpc_thread).detach();
+
+ UCI::loop(argc, argv);
+ Threads.set(0);
return 0;
}