Move the hash probe class definition into a header file.
authorSteinar H. Gunderson <sgunderson@bigfoot.com>
Mon, 21 Mar 2016 23:41:52 +0000 (00:41 +0100)
committerSteinar H. Gunderson <sgunderson@bigfoot.com>
Sat, 24 Nov 2018 10:17:41 +0000 (11:17 +0100)
src/hashprobe.h [new file with mode: 0644]
src/main.cpp

diff --git a/src/hashprobe.h b/src/hashprobe.h
new file mode 100644 (file)
index 0000000..4d0afec
--- /dev/null
@@ -0,0 +1,37 @@
+#ifndef HASHPROBE_H_INCLUDED
+#define HASHPROBE_H_INCLUDED
+
+#include "types.h"
+
+#include <stack>
+#include <string>
+
+#include <grpc/grpc.h>
+#include <grpc++/server.h>
+#include <grpc++/server_builder.h>
+#include "hashprobe.grpc.pb.h"
+
+class HashProbeImpl final : public hashprobe::HashProbe::Service {
+public:
+       grpc::Status Probe(grpc::ServerContext* context,
+                          const hashprobe::HashProbeRequest* request,
+                          hashprobe::HashProbeResponse *response);
+
+private:
+       void FillMove(Move move, hashprobe::HashProbeMove* decoded);
+       void ProbeMove(Position* pos, std::stack<StateInfo>* setup_states, bool invert, hashprobe::HashProbeLine* response);
+       void FillValue(Value value, hashprobe::HashProbeScore* score);
+};
+
+class HashProbeThread {
+public:
+       HashProbeThread(const std::string &server_address);
+       void Shutdown();
+
+private:
+       HashProbeImpl service;
+       grpc::ServerBuilder builder;
+       std::unique_ptr<grpc::Server> server;
+};
+
+#endif 
index d20d8df..e80d066 100644 (file)
@@ -32,6 +32,7 @@
 #include <grpc/grpc.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
+#include "hashprobe.h"
 #include "hashprobe.grpc.pb.h"
 
 using grpc::Server;
@@ -41,129 +42,118 @@ using grpc::Status;
 using grpc::StatusCode;
 using namespace hashprobe;
 
-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 invert = (pos.side_to_move() == BLACK);
-               Search::StateStackPtr setup_states = Search::StateStackPtr(new std::stack<StateInfo>);
+Status HashProbeImpl::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");
+       }
 
-               ProbeMove(&pos, setup_states.get(), invert, response->mutable_root());
+       bool invert = (pos.side_to_move() == BLACK);
+       Search::StateStackPtr setup_states = Search::StateStackPtr(new std::stack<StateInfo>);
 
-               MoveList<LEGAL> moves(pos);
-               for (const ExtMove* em = moves.begin(); em != moves.end(); ++em) {
-                       HashProbeLine *line = response->add_line();
-                       FillMove(em->move, line->mutable_move());
-                       setup_states->push(StateInfo());
-                       pos.do_move(em->move, setup_states->top(), pos.gives_check(em->move, CheckInfo(pos)));
-                       ProbeMove(&pos, setup_states.get(), !invert, line);
-                       pos.undo_move(em->move);
-               }
+       ProbeMove(&pos, setup_states.get(), invert, response->mutable_root());
 
-               return Status::OK;
+       MoveList<LEGAL> moves(pos);
+       for (const ExtMove* em = moves.begin(); em != moves.end(); ++em) {
+               HashProbeLine *line = response->add_line();
+               FillMove(em->move, line->mutable_move());
+               setup_states->push(StateInfo());
+               pos.do_move(em->move, setup_states->top(), pos.gives_check(em->move, CheckInfo(pos)));
+               ProbeMove(&pos, setup_states.get(), !invert, line);
+               pos.undo_move(em->move);
        }
 
-       void FillMove(Move move, HashProbeMove* decoded) {
-               if (!is_ok(move)) return;
+       return Status::OK;
+}
 
-               Square from = from_sq(move);
-               Square to = to_sq(move);
+void HashProbeImpl::FillMove(Move move, HashProbeMove* decoded) {
+       if (!is_ok(move)) return;
 
-               if (type_of(move) == CASTLING) {
-                       to = make_square(to > from ? FILE_G : FILE_C, rank_of(from));
-               }
-                       
-               decoded->set_from_sq(UCI::square(from));
-               decoded->set_to_sq(UCI::square(to));
+       Square from = from_sq(move);
+       Square to = to_sq(move);
 
-               if (type_of(move) == PROMOTION) {
-                       decoded->set_promotion(std::string() + " PNBRQK"[promotion_type(move)]);
-               }
+       if (type_of(move) == CASTLING) {
+               to = make_square(to > from ? FILE_G : FILE_C, rank_of(from));
        }
+               
+       decoded->set_from_sq(UCI::square(from));
+       decoded->set_to_sq(UCI::square(to));
 
-       void ProbeMove(Position* pos, std::stack<StateInfo>* setup_states, bool invert, HashProbeLine* response) {
-               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 (invert) {
-                               value = -value;
-                               eval = -eval;
-                               if (bound == BOUND_UPPER) {
-                                       bound = BOUND_LOWER;
-                               } else if (bound == BOUND_LOWER) {
-                                       bound = BOUND_UPPER;
-                               }
-                       }
+       if (type_of(move) == PROMOTION) {
+               decoded->set_promotion(std::string() + " PNBRQK"[promotion_type(move)]);
+       }
+}
 
-                       response->set_depth(entry->depth());
-                       FillValue(eval, response->mutable_eval());
-                       if (entry->depth() > DEPTH_NONE) {
-                               FillValue(value, response->mutable_value());
-                       }
-                       response->set_bound(HashProbeLine::ValueBound(bound));
-
-                       // Follow the PV until we hit an illegal move.
-                       std::stack<Move> pv;
-                       std::set<Key> seen;
-                       while (found && is_ok(entry->move())) {
-                               FillMove(entry->move(), response->add_pv());
-                               if (seen.count(pos->key())) break;
-                               pv.push(entry->move());
-                               seen.insert(pos->key());
-                               setup_states->push(StateInfo());
-                               pos->do_move(entry->move(), setup_states->top(), pos->gives_check(entry->move(), CheckInfo(*pos)));
-                               entry = TT.probe(pos->key(), found);
+void HashProbeImpl::ProbeMove(Position* pos, std::stack<StateInfo>* setup_states, bool invert, HashProbeLine* response) {
+       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 (invert) {
+                       value = -value;
+                       eval = -eval;
+                       if (bound == BOUND_UPPER) {
+                               bound = BOUND_LOWER;
+                       } else if (bound == BOUND_LOWER) {
+                               bound = BOUND_UPPER;
                        }
+               }
 
-                       // Unroll the PV back again, so the Position object remains unchanged.
-                       while (!pv.empty()) {
-                               pos->undo_move(pv.top());
-                               pv.pop();
-                       }
+               response->set_depth(entry->depth());
+               FillValue(eval, response->mutable_eval());
+               if (entry->depth() > DEPTH_NONE) {
+                       FillValue(value, response->mutable_value());
+               }
+               response->set_bound(HashProbeLine::ValueBound(bound));
+
+               // Follow the PV until we hit an illegal move.
+               std::stack<Move> pv;
+               std::set<Key> seen;
+               while (found && is_ok(entry->move())) {
+                       FillMove(entry->move(), response->add_pv());
+                       if (seen.count(pos->key())) break;
+                       pv.push(entry->move());
+                       seen.insert(pos->key());
+                       setup_states->push(StateInfo());
+                       pos->do_move(entry->move(), setup_states->top(), pos->gives_check(entry->move(), CheckInfo(*pos)));
+                       entry = TT.probe(pos->key(), found);
                }
-       }
 
-       void FillValue(Value value, HashProbeScore* score) {
-               if (abs(value) < VALUE_MATE - MAX_PLY) {
-                       score->set_score_type(HashProbeScore::SCORE_CP);
-                       score->set_score_cp(value * 100 / PawnValueEg);
-               } else {
-                       score->set_score_type(HashProbeScore::SCORE_MATE);
-                       score->set_score_mate((value > 0 ? VALUE_MATE - value + 1 : -VALUE_MATE - value) / 2);
+               // Unroll the PV back again, so the Position object remains unchanged.
+               while (!pv.empty()) {
+                       pos->undo_move(pv.top());
+                       pv.pop();
                }
        }
-};
-
-class HashProbeThread {
-public:
-       HashProbeThread(const std::string &server_address) {
-               builder.AddListeningPort(server_address, grpc::InsecureServerCredentials());
-               builder.RegisterService(&service);
-               server = std::move(builder.BuildAndStart());
-               std::cout << "Server listening on " << server_address << std::endl;
-               std::thread([this]{ server->Wait(); }).detach();
-       }
+}
 
-       void Shutdown() {
-               server->Shutdown();
+void HashProbeImpl::FillValue(Value value, HashProbeScore* score) {
+       if (abs(value) < VALUE_MATE - MAX_PLY) {
+               score->set_score_type(HashProbeScore::SCORE_CP);
+               score->set_score_cp(value * 100 / PawnValueEg);
+       } else {
+               score->set_score_type(HashProbeScore::SCORE_MATE);
+               score->set_score_mate((value > 0 ? VALUE_MATE - value + 1 : -VALUE_MATE - value) / 2);
        }
+}
 
-private:
-       HashProbeImpl service;
-       ServerBuilder builder;
-       std::unique_ptr<Server> server;
-};
+HashProbeThread::HashProbeThread(const std::string &server_address) {
+       builder.AddListeningPort(server_address, grpc::InsecureServerCredentials());
+       builder.RegisterService(&service);
+       server = std::move(builder.BuildAndStart());
+       std::cout << "Server listening on " << server_address << std::endl;
+       std::thread([this]{ server->Wait(); }).detach();
+}
+
+void HashProbeThread::Shutdown() {
+       server->Shutdown();
+}
 
 namespace PSQT {
   void init();