static void engine_step() {
char string[StringSize];
int event;
// parse UCI line
engine_get(Engine,string,StringSize);
event = uci_parse(Uci,string);
// react to events
if ((event & EVENT_READY) != 0) {
// the engine is now ready
if (!Uci->ready) {
Uci->ready = true;
if (XB->proto_ver >= 2) xboard_send(XBoard,"feature done=1");
}
if (!DelayPong && XB->ping >= 0) {
xboard_send(XBoard,"pong %d",XB->ping);
XB->ping = -1;
}
}
if ((event & EVENT_MOVE) != 0 && State->state == THINK) {
// the engine is playing a move
// MEGA HACK: estimate remaining time because XBoard won't send it!
my_timer_stop(State->timer);
XB->my_time -= my_timer_elapsed_real(State->timer);
XB->my_time += XB->inc;
if (XB->mps != 0 && (game_move_nb(Game) + 1) % XB->mps == 0) XB->my_time += XB->base;
if (XB->my_time < 0.0) XB->my_time = 0.0;
// play the engine move
comp_move(Uci->best_move);
}
if ((event & EVENT_PV) != 0) {
// the engine has sent a new PV
send_pv();
}
}
static void update_remaining_time(){
double reduce;
if(State->timer->running){
my_timer_stop(State->timer);
reduce = my_timer_elapsed_real(State->timer);
my_log("POLYGLOT reducing remaing time by %f seconds\n",reduce);
XB->my_time -= reduce;
if(XB->my_time<0.0){
XB->my_time=0.0;
}
}
}
/* function called by children after netvm setup. It reads packets
* from the queue in the shared memory and writes them to the netvm */
void read_queue_loop(int child_id, nvmAppInterface *nvm_interface)
{
int fd, batch_counter = 0;
int index = 0; /* index of ready data */
const struct pcap_pkthdr *pkthdr;
const u_char *packet;
struct shmstruct *ptr;
pkt_handle *handle;
my_timer _timer;
char errbuf[1500];
log("child %d starting read_queue", child_id);
/* first open shared memeory */
fd = shm_open(TMP_FNAME, O_RDWR , S_IRWXU); /* open */
if( (ptr = mmap(NULL, sizeof(struct shmstruct), PROT_READ | PROT_WRITE,
MAP_SHARED, fd, 0)) == MAP_FAILED){
log("child[%d] cannot open shared mem", child_id);
exit(-1);
};
ftruncate(fd, sizeof(struct shmstruct)); /* resize */
close(fd); /* close fd */
log("Child %d finished setting up shared mem: ptr %lx", child_id, (long unsigned int) ptr);
my_timer_start(&_timer);
/* consumer */
for ( ; ; ){
handle = &ptr->queues[index];
if(handle->cap_len <= 0){
break;
}
// ptr->sdatas[child_id].bytes += handle->cap_len;
if( nvmWriteAppInterface(nvm_interface, (u_int8_t *) handle->pkt_data,
handle->cap_len, NULL, errbuf) != nvmSUCCESS)
{
fprintf(stderr, "error writing packets to the NetVM application interface\n");
exit(1);
}
index++;
}
my_timer_stop(&_timer);
log("Child[%d] received termination packet", child_id);
log("Processed %d packets in %f seconds, %f pps", index, my_timer_elapsed(&_timer),
index/my_timer_elapsed(&_timer));
exit (0);
}
void search_perft(const board_t * board, int depth_max) {
int depth;
my_timer_t timer[1];
double time, speed;
ASSERT(board_is_ok(board));
ASSERT(depth_max>=1&&depth_max<DepthMax);
// init
board_disp(board);
// iterative deepening
for (depth = 1; depth <= depth_max; depth++) {
// init
NodeNb = 0;
LeafNb = 0;
my_timer_reset(timer);
my_timer_start(timer);
perft(board,depth);
my_timer_stop(timer);
time = my_timer_elapsed_cpu(timer);
speed = (time < 0.01) ? 0.0 : double(NodeNb) / time;
printf("%2d %10lld %10lld %7.2f %7.0f\n",depth,NodeNb,LeafNb,time,speed);
}
printf("\n");
}
void xboard2uci_engine_step(char string[]) {
int event;
board_t board[1];
event = uci_parse(Uci,string);
// react to events
if ((event & EVENT_READY) != 0) {
// the engine is now ready
if (!Uci->ready) {
Uci->ready = TRUE;
// if (XB->proto_ver >= 2) xboard_send(XBoard,"feature done=1");
}
if (!DelayPong && XB->ping >= 0) {
gui_send(GUI,"pong %d",XB->ping);
XB->ping = -1;
}
}
if ((event & EVENT_MOVE) != 0 && State->state == THINK) {
// the engine is playing a move
// MEGA HACK: estimate remaining time because XBoard won't send it!
my_timer_stop(State->timer);
XB->my_time -= my_timer_elapsed_real(State->timer);
XB->my_time += XB->inc;
if (XB->mps != 0 && (game_move_nb(Game) + 1) % XB->mps == 0) XB->my_time += XB->base;
if (XB->my_time < 0.0) XB->my_time = 0.0;
// make sure to remember the ponder move
State->hint_move=Uci->ponder_move;
// play the engine move
comp_move(Uci->best_move);
}
if ((event & EVENT_PV) != 0) {
// the engine has sent a new PV
send_pv();
}
if ((event & EVENT_INFO) != 0) {
// the engine has sent info
send_info();
}
if((event & (EVENT_DRAW|EVENT_RESIGN))!=0){
my_log("POYGLOT draw offer/resign from engine\n");
if(option_find(Uci->option,"UCI_DrawOffers")){
if(event & EVENT_DRAW)
gui_send(GUI,"offer draw");
else
gui_send(GUI,"resign");
}
}
if(((event & EVENT_ILLEGAL_MOVE)!=0) && (State->state == THINK)){
game_get_board(Game,board);
if(board->turn==White){
gui_send(GUI,"0-1 {polyglot: resign"
" (illegal engine move by white: %s)}",Uci->bestmove);
}else{
gui_send(GUI,"1-0 {polyglot: resign"
" (illegal engine move by black: %s)}",Uci->bestmove);
}
board_disp(board);
XB->result = TRUE;
mess();
}
}
static void engine_step() {
char string[StringSize];
int event;
// parse UCI line
engine_get(Engine,string,StringSize); //blocking read...
event = uci_parse(Uci,string);
// react to events
if ((event & EVENT_READY) != 0) {
#ifdef _WIN32
SetEvent(Engine_ready_ok);
#endif
if (!Uci->ready) {
Uci->ready = true;
if (XB->proto_ver >= 2) xboard_send(XBoard,"feature done=1");
}
if (!DelayPong && XB->ping >= 0) {
xboard_send(XBoard,"pong %d",XB->ping);
XB->ping = -1;
}
}
if ((event & EVENT_MOVE) != 0 && State->state == THINK) {
// the engine is playing a move
// MEGA HACK: estimate remaining time because XBoard won't send it!
my_timer_stop(State->timer);
XB->my_time -= my_timer_elapsed_real(State->timer);
XB->my_time += XB->inc;
if (XB->mps != 0 && (game_move_nb(Game) + 1) % XB->mps == 0) XB->my_time += XB->base;
if (XB->my_time < 0.0) XB->my_time = 0.0;
// play the engine move
comp_move(Uci->best_move);
}
if ((event & EVENT_PV) != 0) {
// the engine has sent a new PV
send_pv();
}
if ((event & EVENT_INFO) != 0){
if(!option_get_bool("InfoStrings"))
xboard_send(XBoard,"#%d %+d %.0f " S64_FORMAT " %s ",Uci->best_depth,Uci->best_score,Uci->time*100.0,Uci->node_nb,Uci->info_string);
else
xboard_send(XBoard,"%d %+d %.0f " S64_FORMAT " %s ",Uci->best_depth,Uci->best_score,Uci->time*100.0,Uci->node_nb,Uci->info_string);
}
if((event & (EVENT_DRAW|EVENT_RESIGN))!=0){
my_log("POYGLOT draw offer/resign from engine\n");
if(uci_option_exist(Uci,"UCI_DrawOffers")){
if(event & EVENT_DRAW)
xboard_send(XBoard,"offer draw");
else
xboard_send(XBoard,"resign");
}
}
return ;
}