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connection.cpp
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connection.cpp
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#include <windows.h>
#include <tchar.h>
#include <stdio.h>
#include <bits/stdc++.h>
#define bufferSize 2048
HANDLE engine_read_out = NULL;
HANDLE engine_read_in = NULL;
HANDLE engine_write_in = NULL;
HANDLE engine_write_out = NULL;
HANDLE process;
BYTE buffer[bufferSize];
bool connectEngine(std::string PATH) {
TCHAR l[] = TEXT("Engine/stockfish_13.exe");
SECURITY_ATTRIBUTES sa;
STARTUPINFO s;
PROCESS_INFORMATION p;
bool connected = false;
ZeroMemory(&p, sizeof(PROCESS_INFORMATION));
ZeroMemory(&s, sizeof(STARTUPINFO));
sa.bInheritHandle = TRUE;
sa.lpSecurityDescriptor = NULL;
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
CreatePipe(&engine_read_in,&engine_write_in,&sa,0);
CreatePipe(&engine_read_out,&engine_write_out,&sa,0);
s.dwFlags = STARTF_USESTDHANDLES;
s.hStdOutput = engine_read_out;
s.hStdError = engine_read_out;
s.hStdInput = engine_read_in;
connected = CreateProcess(NULL,l,NULL,NULL,TRUE,0x00000010,NULL,NULL,&s,&p);
if(!connected) {
std::cout << "Not connected";
return false;
}
process = p.hProcess;
return true;
}
void demoWrite() {
std::string demo;
DWORD write, read, available;
std::string pos = "position startpos moves e2e4\ngo depth 20\n";
WriteFile(engine_write_in,pos.c_str(),pos.length(),&write,NULL);
PeekNamedPipe(engine_read_out,&buffer,bufferSize,&read,&available,NULL);
do {
ZeroMemory(buffer,bufferSize);
if(!ReadFile(engine_write_out,buffer,bufferSize,&read,NULL) || !read)
break;
buffer[read] = 0;
demo += (char *)(buffer);
}while(read >= bufferSize);
std::cout << demo << std::endl;
}
std::string bestmove(std::string move) {
std::string pos = "position startpos moves " + move + "\ngo depth 20\n";
WriteFile(engine_write_out,pos.c_str(),sizeof(pos),NULL,NULL);
}
bool disconnectEngine() {
CloseHandle(engine_read_in);
CloseHandle(engine_read_out);
CloseHandle(engine_write_in);
CloseHandle(engine_write_out);
if(TerminateProcess(process,0) && CloseHandle(process))
return true;
return false;
}