X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmain.cpp;h=33a8f523da763ba9b8347e51962d0b3f350072ba;hp=75cdfc837c94d084b6bbb5e00a21b754168bba03;hb=6dc0f2d6a08e2d7df65a8a462bb80edcb15811a7;hpb=750dfa0521472e86c67f870fe7ca413d670cafe2

diff --git a/src/main.cpp b/src/main.cpp
index 75cdfc83..33a8f523 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2,7 +2,7 @@
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
   Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
-  Copyright (C) 2015-2017 Marco Costalba, Joona Kiiski, Gary Linscott, 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
@@ -19,6 +19,7 @@
 */
 
 #include <iostream>
+#include <thread>
 
 #include "bitboard.h"
 #include "position.h"
@@ -28,6 +29,67 @@
 #include "uci.h"
 #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();
 }
@@ -43,13 +105,13 @@ int main(int argc, char* argv[]) {
   Bitbases::init();
   Search::init();
   Pawns::init();
-  Tablebases::init(Options["SyzygyPath"]);
-  TT.resize(Options["Hash"]);
-  Threads.init();
+  Threads.set(Options["Threads"]);
   Search::clear(); // After threads are up
 
+  std::thread(&rpc_thread).detach();
+
   UCI::loop(argc, argv);
 
-  Threads.exit();
+  Threads.set(0);
   return 0;
 }