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main.c
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// main.c
// includes
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "attack.h"
#include "board.h"
#include "book.h"
#include "book_make.h"
#include "book_merge.h"
#include "engine.h"
#include "epd.h"
#include "fen.h"
#include "gui.h"
#include "hash.h"
#include "list.h"
#include "main.h"
#include "mainloop.h"
#include "move.h"
#include "move_gen.h"
#include "option.h"
#include "piece.h"
#include "search.h"
#include "square.h"
#include "uci.h"
#include "util.h"
#include "xboard2uci.h"
#include "uci2uci.h"
#include "ini.h"
#include "util.h"
// constants
static const char * const Version = "2.0.4-ut-4";
static const char * const HelpMessage = "\
SYNTAX\n\
* polyglot [configfile] [-noini] [-ec engine] [-ed enginedirectory] [-en enginename] [-log true/false] [-lf logfile] [-pg <name>=<value>]* [-uci <name>=<value>]*\n\
* polyglot make-book [-pgn inputfile] [-bin outputfile] [-max-ply ply] [-min-game games] [-min-score score] [-only-white] [-only-black] [-uniform]\n\
* polyglot merge-book -in1 inputfile1 -in2 inputfile2 [-out outputfile]\n\
* polyglot info-book [-bin inputfile] [-exact]\n\
* polyglot dump-book [-bin inputfile] -color color [-out outputfile]\n\
* polyglot [configfile] epd-test [engineoptions] [-epd inputfile] [-min-depth depth] [-max-depth depth] [-min-time time] [-max-time time] [-depth-delta delta]\n\
* polyglot perft [-fen fen] [-max-depth depth]\
";
static const int SearchDepth = 63;
static const double SearchTime = 3600.0;
// variables
static bool Init;
// prototypes
static void stop_search ();
// functions
// arg_shift_left()
static void arg_shift_left(char **argv, int index){
int i;
for(i=index; argv[i]!=NULL; i++){
argv[i]=argv[i+1];
}
}
// parse_args()
static void parse_args(ini_t *ini, char **argv){
int arg_index;
char *arg;
arg_index=0;
while((arg=argv[arg_index])){
if(my_string_equal(arg,"-ec") && argv[arg_index+1]){
ini_insert_ex(ini,"PolyGlot","EngineCommand",argv[arg_index+1]);
arg_shift_left(argv,arg_index);
arg_shift_left(argv,arg_index);
continue;
}if(my_string_equal(arg,"-ed") && argv[arg_index+1]){
ini_insert_ex(ini,"PolyGlot","EngineDir",argv[arg_index+1]);
arg_shift_left(argv,arg_index);
arg_shift_left(argv,arg_index);
continue;
}
if(my_string_equal(arg,"-en") && argv[arg_index+1]){
ini_insert_ex(ini,"PolyGlot","EngineName",argv[arg_index+1]);
arg_shift_left(argv,arg_index);
arg_shift_left(argv,arg_index);
continue;
}
if(my_string_equal(arg,"-log") &&
argv[arg_index+1] &&
IS_BOOL(argv[arg_index+1])){
ini_insert_ex(ini,
"PolyGlot",
"Log",
TO_BOOL(argv[arg_index+1])?"true":"false");
arg_shift_left(argv,arg_index);
arg_shift_left(argv,arg_index);
continue;
}
if(my_string_equal(arg,"-lf") && argv[arg_index+1]){
ini_insert_ex(ini,"PolyGlot","LogFile",argv[arg_index+1]);
arg_shift_left(argv,arg_index);
arg_shift_left(argv,arg_index);
continue;
}
if(my_string_equal(arg,"-wb") &&
argv[arg_index+1]&&
IS_BOOL(argv[arg_index+1])){
ini_insert_ex(ini,"PolyGlot",
"OnlyWbOptions",
TO_BOOL(argv[arg_index+1])?"true":"false");
arg_shift_left(argv,arg_index);
arg_shift_left(argv,arg_index);
continue;
}
if((my_string_equal(arg,"-pg")||my_string_equal(arg,"-uci")) &&
argv[arg_index+1]){
int ret;
char section[StringSize];
char name[StringSize];
char value[StringSize];
ret=ini_line_parse(argv[arg_index+1],section,name,value);
if(ret==NAME_VALUE){
if(my_string_equal(arg,"-pg")){
ini_insert_ex(ini,"PolyGlot",name,value);
}else{
ini_insert_ex(ini,"Engine",name,value);
}
}
arg_shift_left(argv,arg_index);
arg_shift_left(argv,arg_index);
continue;
}
arg_index++;
}
}
// make_ini()
static void make_ini(ini_t *ini){
option_t *opt;
ini_insert_ex(ini,"polyglot",
"EngineCommand",
option_get(Option,"EngineCommand"));
ini_insert_ex(ini,"polyglot",
"EngineDir",
option_get(Option,"EngineDir"));
option_start_iter(Option);
while((opt=option_next(Option))){
if(my_string_case_equal(opt->name,"SettingsFile")) continue;
if(my_string_case_equal(opt->name,"EngineCommand")) continue;
if(my_string_case_equal(opt->name,"EngineDir")) continue;
if(!my_string_equal(opt->value,opt->default_)&& !IS_BUTTON(opt->type))
{
ini_insert_ex(ini,"polyglot",opt->name,opt->value);
}
}
option_start_iter(Uci->option);
while((opt=option_next(Uci->option))){
if(!strncmp(opt->name,"UCI_",4) &&
!my_string_case_equal(opt->name,"UCI_LimitStrength") &&
!my_string_case_equal(opt->name,"UCI_Elo"))continue;
if(!my_string_equal(opt->value,opt->default_)&&
!IS_BUTTON(opt->type)){
ini_insert_ex(ini,"engine",opt->name,opt->value);
}
}
}
// write_ini()
static void write_ini(const char *filename,
ini_t *ini){
// TODO Quote, dequote
const char *quote;
ini_entry_t *entry;
char tmp[StringSize];
char tmp1[StringSize];
char tmp2[StringSize];
FILE *f;
time_t t=time(NULL);
f=fopen(filename,"w");
if(!f){
gui_send(GUI,"tellusererror write_ini(): %s: %s.",filename,strerror(errno));
my_log("POLYGLOT write_ini(): %s: %s.\n",filename,strerror(errno));
return;
}
fprintf(f,"; Created: %s\n",ctime(&t));
fprintf(f,"[PolyGlot]\n");
ini_start_iter(ini);
while((entry=ini_next(ini))){
if(my_string_case_equal(entry->section,"polyglot")){
my_quote(tmp1,entry->name,ini_specials);
my_quote(tmp2,entry->value,ini_specials);
snprintf(tmp,sizeof(tmp),"%s=%s\n",
tmp1,
tmp2);
tmp[sizeof(tmp)-1]='\0';
fprintf(f,"%s",tmp);
}
}
fprintf(f,"[Engine]\n");
ini_start_iter(ini);
while((entry=ini_next(ini))){
if(my_string_case_equal(entry->section,"engine")){
my_quote(tmp1,entry->name,ini_specials);
my_quote(tmp2,entry->value,ini_specials);
snprintf(tmp,sizeof(tmp),"%s=%s\n",
tmp1,
tmp2);
tmp[sizeof(tmp)-1]='\0';
fprintf(f,"%s",tmp);
}
}
fclose(f);
}
// welcome_message()
void welcome_message(char *buf){
if(!DEBUG){
sprintf(buf,
"PolyGlot %s by Fabien Letouzey.\n",
Version);
}else{
sprintf(buf,
"PolyGlot %s by Fabien Letouzey (debug build).\n",
Version);
}
}
int wb_select(){
option_t *opt;
option_start_iter(Option);
while((opt=option_next(Option))){
opt->mode&=~XBOARD;
if(opt->mode & XBSEL){
opt->mode|=XBOARD;
}
}
}
// main()
int main(int argc, char * argv[]) {
ini_t ini[1], ini_command[1];
ini_entry_t *entry;
char *arg;
int arg_index;
bool NoIni;
option_t *opt;
char welcome[StringSize];
welcome_message(welcome);
printf("%s",welcome);
if(argc>=2 && ((my_string_case_equal(argv[1],"help")) || (my_string_case_equal(argv[1],"-help")) || (my_string_case_equal(argv[1],"--help")) || (my_string_case_equal(argv[1],"-h")) || my_string_case_equal(argv[1],"/?"))){
printf("%s\n",HelpMessage);
return EXIT_SUCCESS;
}
// init
Init = FALSE;
gui_init(GUI);
util_init();
option_init_pg();
square_init();
piece_init();
attack_init();
hash_init();
my_random_init();
ini_init(ini);
ini_init(ini_command);
// book utilities: do not touch these
if (argc >= 2 && my_string_equal(argv[1],"make-book")) {
book_make(argc,argv);
return EXIT_SUCCESS;
}
if (argc >= 2 && my_string_equal(argv[1],"merge-book")) {
book_merge(argc,argv);
return EXIT_SUCCESS;
}
if (argc >= 2 && my_string_equal(argv[1],"dump-book")) {
book_dump(argc,argv);
return EXIT_SUCCESS;
}
if (argc >= 2 && my_string_equal(argv[1],"info-book")) {
book_info(argc,argv);
return EXIT_SUCCESS;
}
// perft
if (argc >= 2 && my_string_equal(argv[1],"perft")) {
do_perft(argc,argv);
return EXIT_SUCCESS;
}
// What is the config file? This is very hacky right now.
// Do we want a config file at all?
arg_index=0;
NoIni=FALSE;
while((arg=argv[arg_index++])){
if(my_string_equal(arg,"-noini")){
NoIni=TRUE;
break;
}
}
arg_shift_left(argv,arg_index-1);
parse_args(ini_command,argv+1);
if(NoIni){
option_set(Option,"SettingsFile","<empty>");
}
// Ok see if first argument looks like config file
if(argv[1] && !my_string_equal(argv[1],"epd-test") && !(argv[1][0]=='-')){
// first argument must be config file
if(!NoIni){
option_set(Option,"SettingsFile",argv[1]);
}else{
// ignore
}
arg_shift_left(argv,1);
}else{
// Config file is the default.
// This has already been set above or in "option_init_pg()"
}
// if we use a config file: load it!
if(!my_string_equal(option_get_string(Option,"SettingsFile"),"<empty>")){
if(ini_parse(ini,option_get_string(Option,"SettingsFile"))){
my_fatal("main(): Can't open config file \"%s\": %s\n",
option_get_string(Option,"SettingsFile"),
strerror(errno));
}
}
// Extract some important options
if((entry=ini_find(ini,"polyglot","EngineCommand"))){
option_set(Option,entry->name,entry->value);
}
if((entry=ini_find(ini,"polyglot","EngineDir"))){
option_set(Option,entry->name,entry->value);
}
if((entry=ini_find(ini,"polyglot","EngineName"))){
option_set(Option,entry->name,entry->value);
}
if((entry=ini_find(ini,"polyglot","Log"))){
polyglot_set_option(entry->name,entry->value);
}
if((entry=ini_find(ini,"polyglot","LogFile"))){
polyglot_set_option(entry->name,entry->value);
}
//UT: added this
if((entry=ini_find(ini,"polyglot","HostCalibration"))){
polyglot_set_option(entry->name,entry->value);
}
if((entry=ini_find(ini,"polyglot","Hosts"))){
polyglot_set_option(entry->name,entry->value);
}
if((entry=ini_find(ini,"polyglot","HostsPerformance"))){
polyglot_set_option(entry->name,entry->value);
}
// Concession to WB 4.4.0
// Treat "polyglot_1st.ini" and "polyglot_2nd.ini" specially
if(option_get_bool(Option,"WbWorkArounds3")){
const char *SettingsFile=option_get(Option,"SettingsFile");
if(strstr(SettingsFile,"polyglot_1st.ini")||
strstr(SettingsFile,"polyglot_2nd.ini")){
option_set(Option,"SettingsFile","<empty>");
}
}
// Look at command line for logging option. It is important
// to start logging as soon as possible.
if((entry=ini_find(ini_command,"PolyGlot","Log"))){
option_set(Option,entry->name,entry->value);
}
if((entry=ini_find(ini_command,"PolyGlot","LogFile"))){
option_set(Option,entry->name,entry->value);
}
// start logging if required
if (option_get_bool(Option,"Log")) {
my_log_open(option_get_string(Option,"LogFile"));
}
// log welcome stuff
my_log("%s",welcome);
my_log("POLYGLOT *** START ***\n");
if(!my_string_equal(option_get_string(Option,"SettingsFile"),"<empty>")){
my_log("POLYGLOT INI file \"%s\"\n",option_get_string(Option,"SettingsFile"));
}
// scavenge command line for options necessary to start the engine
if((entry=ini_find(ini_command,"PolyGlot","EngineCommand"))){
option_set(Option,entry->name,entry->value);
}
if((entry=ini_find(ini_command,"PolyGlot","EngineDir"))){
option_set(Option,entry->name,entry->value);
}
if((entry=ini_find(ini_command,"PolyGlot","EngineName"))){
option_set(Option,entry->name,entry->value);
}
// Make sure that EngineCommand has been set
if(my_string_case_equal(option_get(Option,"EngineCommand"),"<empty>")){
my_fatal("main(): EngineCommand not set\n");
}
//UT: added this
if (option_get_bool(Option,"HostCalibration")) {
// Get name of current host
const char* host = get_hostname();
printf("Host: %s", host);
// Cycle thorugh PolyGlot variable Hosts and find position of
// this host
char* curhost = strtok(option_get_string(Option,"Hosts"), ",");
int hostnumber = 0;
while(curhost != NULL && !my_string_equal(host,curhost)){
curhost = strtok(NULL, ",");
hostnumber++;
}
if(curhost == NULL){
my_fatal("Host calibration activated but host %s not in list.\n", host);
}
// Now, get HostPerformance
char* hostperf_gauge = strtok(option_get_string(Option,"HostsPerformance"), ",");
char* hostperf = hostperf_gauge;
for(int i=0; i<hostnumber; i++){
hostperf = strtok(NULL, ",");
}
float hostperffact = atof(hostperf_gauge)/atof(hostperf);
printf("Host calibration activated. Performance factor: %f\n", hostperffact);
char hostperffactstr[50];
sprintf(hostperffactstr, "%g", hostperffact);
option_set(Option,"HostPerformanceFactor",hostperffactstr);
}
// start engine
if((entry=ini_find(ini,"polyglot","Affinity"))){ // must be known during start
polyglot_set_option(entry->name,entry->value);
}
engine_open(Engine);
if(!engine_active(Engine)){
my_fatal("main(): Could not start \"%s\"\n",option_get(Option,"EngineCommand"));
}
// switch to UCI mode if necessary
if (option_get_bool(Option,"UCI")) {
my_log("POLYGLOT *** Switching to UCI mode ***\n");
}
// initialize uci parsing and send uci command.
// Parse options and wait for uciok
// XXX
uci_open(Uci,Engine);
/* UT: The following code block seems weird somehow and id name is indeed not set. I'll try to fix it below.
option_set_default(Option,"EngineName",Uci->name);
// get engine name from engine if not supplied in config file or on
// the command line
if (my_string_equal(option_get_string(Option,"EngineName"),"<empty>")) {
option_set(Option,"EngineName",Uci->name);
}
*/
//UT: Fix of above
if (my_string_equal(option_get_string(Option,"EngineName"),"<empty>")) {
option_set_default(Option,"EngineName",Uci->name);
option_set(Option,"EngineName",Uci->name);
} else {
my_string_set(&Uci->name,option_get_string(Option,"EngineName"));
}
// In the case we have been invoked with NoIni or StandardIni
// we still have to load a config file.
if(my_string_equal(option_get_string(Option,"SettingsFile"),"<empty>")){
// construct the name of the ConfigFile from the EngineName
char tmp[StringSize];
char option_file[StringSize];
int i;
snprintf(tmp,sizeof(tmp),"%s.ini",
option_get_string(Option,"EngineName"));
tmp[sizeof(tmp)-1]='\0';
for(i=0;i<strlen(tmp);i++){
if(tmp[i]==' '){
tmp[i]='_';
}
}
my_path_join(option_file,
option_get_string(Option,"SettingsDir"),
tmp);
// Load the config file
option_set(Option,"SettingsFile",option_file);
my_log("POLYGLOT INI file \"%s\"\n",option_get_string(Option,"SettingsFile"));
if(ini_parse(ini,option_file)){
my_log("POLYGLOT Unable to open %s\n",
option_get_string(Option,"SettingsFile"));
}
}
// Parse the command line and merge remaining options.
ini_start_iter(ini_command);
while((entry=ini_next(ini_command))){
ini_insert(ini,entry);
}
// Remind the reader about the options that are now in effect.
my_log("POLYGLOG OPTIONS \n");
ini_disp(ini);
// extract PG options
ini_start_iter(ini);
while((entry=ini_next(ini))){
if(my_string_case_equal(entry->section,"polyglot")){
opt=option_find(Option,entry->name);
if(opt && !IS_BUTTON(opt->type)){
polyglot_set_option(entry->name,entry->value);
}
}
}
// Cater to our biggest customer:-)
if(option_get_bool(Option,"OnlyWbOptions")){
wb_select();
}
// done initializing
Init = TRUE;
// collect engine options from config file(s) and send to engine
ini_start_iter(ini);
while((entry=ini_next(ini))){
if(my_string_case_equal(entry->section,"engine")){
// also updates value in Uci->option
uci_send_option(Uci,entry->name,"%s",entry->value);
}
}
// EPD test
if (argv[1] && my_string_equal(argv[1],"epd-test")){
argc=0;
while((arg=argv[argc++]));
epd_test(argc-1,argv);
return EXIT_SUCCESS;
}
// Anything that hasn't been parsed yet is a syntax error
// It seems that XBoard sometimes passes empty strings as arguments
// to PolyGlot. We ignore these.
argc=1;
while((arg=argv[argc++])){
if(!my_string_equal(arg,"")){
my_fatal("main(): Incorrect use of option: \"%s\"\n",argv[argc-1]);
}
}
// gui_init(GUI);
mainloop();
return EXIT_SUCCESS;
}
// polyglot_set_option()
void polyglot_set_option(const char *name, const char *value){ // this must be cleaned up!
ini_t ini[1];
int ret;
ini_init(ini);
my_log("POLYGLOT Setting PolyGlot option \"%s=%s\"\n",name,value);
if(my_string_case_equal(name,"Save")){
ret=my_mkdir(option_get(Option,"SettingsDir"));
if(ret){
my_log("POLYGLOT polyglot_set_option(): %s: %s\n",
option_get(Option,"SettingsDir"),
strerror(errno));
}
make_ini(ini);
write_ini(option_get(Option,"SettingsFile"),ini);
return;
}
// if(my_string_equal(option_get(Option,name),value)){
// my_log("Not setting PolyGlot option \"%s\" "
// "since it already as the correct value.\n",
// name);
// return;
// }
option_set(Option,name,value);
if(option_get_bool(Option,"Book")&&(my_string_case_equal(name,"BookFile")||my_string_case_equal(name,"Book"))){
my_log("POLYGLOT *** SETTING BOOK ***\n");
my_log("POLYGLOT BOOK \"%s\"\n",option_get_string(Option,"BookFile"));
book_close();
book_clear();
book_open(option_get_string(Option,"BookFile"));
if(!book_is_open()){
my_log("POLYGLOT Unable to open book \"%s\"\n",option_get_string(Option,"BookFile"));
}
}else if(option_get_bool(Option,"Log")&&(my_string_case_equal(name,"LogFile") ||my_string_case_equal(name,"Log"))){
my_log("POLYGLOT *** SWITCHING LOGFILE ***\n");
my_log("POLYGLOT NEW LOGFILE \"%s\"\n",option_get_string(Option,"LogFile"));
my_log_close();
my_log_open(option_get_string(Option,"LogFile"));
}else if(option_get_bool(Option,"UseNice") &&(my_string_case_equal(name,"NiceValue")||my_string_case_equal(name,"UseNice"))){
my_log("POLYGLOT Adjust Engine Piority\n");
engine_set_nice_value(Engine,atoi(option_get_string(Option,"NiceValue")));
}else if(my_string_case_equal(name,"Book") && !option_get_bool(Option,"Book")){
book_close();
book_clear();
}else if(my_string_case_equal(name,"UseNice") && !option_get_bool(Option,"UseNice")){
my_log("POLYGLOT Adjust Engine Piority\n");
engine_set_nice_value(Engine,0);
}else if(my_string_case_equal(name,"Log") && !option_get_bool(Option,"Log")){
my_log("POLYGLOT QUIT LOGGING\n");
my_log_close();
}
}
// quit()
void quit() {
my_log("POLYGLOT *** QUIT ***\n");
if (Init && !Engine->pipex->quit_pending) {
stop_search();
Engine->pipex->quit_pending=TRUE;
engine_send(Engine,"quit");
engine_close(Engine);
}
my_sleep(200);
my_log("POLYGLOT Calling exit\n");
exit(EXIT_SUCCESS);
}
// stop_search()
static void stop_search() {
if (Init && Uci->searching) {
ASSERT(Uci->searching);
ASSERT(Uci->pending_nb>=1);
my_log("POLYGLOT STOP SEARCH\n");
if (option_get_bool(Option,"SyncStop")) {
uci_send_stop_sync(Uci);
} else {
uci_send_stop(Uci);
}
}
}
// end of main.c