mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-26 09:30:24 +00:00
88 lines
3 KiB
C++
88 lines
3 KiB
C++
/*
|
|
* Copyright (c) 2020, the SerenityOS developers.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "Engine.h"
|
|
#include <LibCore/File.h>
|
|
#include <fcntl.h>
|
|
#include <spawn.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
Engine::~Engine()
|
|
{
|
|
if (m_pid != -1)
|
|
kill(m_pid, SIGINT);
|
|
}
|
|
|
|
Engine::Engine(const StringView& command)
|
|
{
|
|
int wpipefds[2];
|
|
int rpipefds[2];
|
|
if (pipe2(wpipefds, O_CLOEXEC) < 0) {
|
|
perror("pipe2");
|
|
ASSERT_NOT_REACHED();
|
|
}
|
|
|
|
if (pipe2(rpipefds, O_CLOEXEC) < 0) {
|
|
perror("pipe2");
|
|
ASSERT_NOT_REACHED();
|
|
}
|
|
|
|
posix_spawn_file_actions_t file_actions;
|
|
posix_spawn_file_actions_init(&file_actions);
|
|
posix_spawn_file_actions_adddup2(&file_actions, wpipefds[0], STDIN_FILENO);
|
|
posix_spawn_file_actions_adddup2(&file_actions, rpipefds[1], STDOUT_FILENO);
|
|
|
|
String cstr(command);
|
|
const char* argv[] = { cstr.characters(), nullptr };
|
|
if (posix_spawnp(&m_pid, cstr.characters(), &file_actions, nullptr, const_cast<char**>(argv), environ) < 0) {
|
|
perror("posix_spawnp");
|
|
ASSERT_NOT_REACHED();
|
|
}
|
|
|
|
posix_spawn_file_actions_destroy(&file_actions);
|
|
|
|
close(wpipefds[0]);
|
|
close(rpipefds[1]);
|
|
|
|
auto infile = Core::File::construct();
|
|
infile->open(rpipefds[0], Core::IODevice::ReadOnly, Core::File::ShouldCloseFileDescription::Yes);
|
|
set_in(infile);
|
|
|
|
auto outfile = Core::File::construct();
|
|
outfile->open(wpipefds[1], Core::IODevice::WriteOnly, Core::File::ShouldCloseFileDescription::Yes);
|
|
set_out(outfile);
|
|
|
|
send_command(Chess::UCI::UCICommand());
|
|
}
|
|
|
|
void Engine::handle_bestmove(const Chess::UCI::BestMoveCommand& command)
|
|
{
|
|
if (m_bestmove_callback)
|
|
m_bestmove_callback(command.move());
|
|
|
|
m_bestmove_callback = nullptr;
|
|
}
|