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/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "UCIEndpoint.h"
#include <AK/ByteBuffer.h>
#include <AK/Debug.h>
#include <AK/String.h>
#include <LibCore/EventLoop.h>
#include <LibCore/File.h>
namespace Chess::UCI {
Endpoint::Endpoint(NonnullRefPtr<Core::IODevice> in, NonnullRefPtr<Core::IODevice> out)
: m_in(in)
, m_out(out)
, m_in_notifier(Core::Notifier::construct(in->fd(), Core::Notifier::Read))
{
set_in_notifier();
}
void Endpoint::send_command(Command const& command)
{
dbgln_if(UCI_DEBUG, "{} Sent UCI Command: {}", class_name(), String(command.to_string().characters(), Chomp));
m_out->write(command.to_string());
}
void Endpoint::event(Core::Event& event)
{
switch (static_cast<Command::Type>(event.type())) {
case Command::Type::UCI:
return handle_uci();
case Command::Type::Debug:
return handle_debug(static_cast<DebugCommand const&>(event));
case Command::Type::IsReady:
return handle_uci();
case Command::Type::SetOption:
return handle_setoption(static_cast<SetOptionCommand const&>(event));
case Command::Type::Position:
return handle_position(static_cast<PositionCommand const&>(event));
case Command::Type::Go:
return handle_go(static_cast<GoCommand const&>(event));
case Command::Type::Stop:
return handle_stop();
case Command::Type::Id:
return handle_id(static_cast<IdCommand const&>(event));
case Command::Type::UCIOk:
return handle_uciok();
case Command::Type::ReadyOk:
return handle_readyok();
case Command::Type::BestMove:
return handle_bestmove(static_cast<BestMoveCommand const&>(event));
case Command::Type::Info:
return handle_info(static_cast<InfoCommand const&>(event));
default:
break;
}
}
void Endpoint::set_in_notifier()
{
m_in_notifier = Core::Notifier::construct(m_in->fd(), Core::Notifier::Read);
m_in_notifier->on_ready_to_read = [this] {
while (m_in->can_read_line())
Core::EventLoop::current().post_event(*this, read_command());
};
}
NonnullOwnPtr<Command> Endpoint::read_command()
{
String line(ReadonlyBytes(m_in->read_line(4096).bytes()), Chomp);
dbgln_if(UCI_DEBUG, "{} Received UCI Command: {}", class_name(), line);
if (line == "uci") {
return make<UCICommand>(UCICommand::from_string(line));
} else if (line.starts_with("debug"sv)) {
return make<DebugCommand>(DebugCommand::from_string(line));
} else if (line.starts_with("isready"sv)) {
return make<IsReadyCommand>(IsReadyCommand::from_string(line));
} else if (line.starts_with("setoption"sv)) {
return make<SetOptionCommand>(SetOptionCommand::from_string(line));
} else if (line.starts_with("position"sv)) {
return make<PositionCommand>(PositionCommand::from_string(line));
} else if (line.starts_with("go"sv)) {
return make<GoCommand>(GoCommand::from_string(line));
} else if (line.starts_with("stop"sv)) {
return make<StopCommand>(StopCommand::from_string(line));
} else if (line.starts_with("id"sv)) {
return make<IdCommand>(IdCommand::from_string(line));
} else if (line.starts_with("uciok"sv)) {
return make<UCIOkCommand>(UCIOkCommand::from_string(line));
} else if (line.starts_with("readyok"sv)) {
return make<ReadyOkCommand>(ReadyOkCommand::from_string(line));
} else if (line.starts_with("bestmove"sv)) {
return make<BestMoveCommand>(BestMoveCommand::from_string(line));
} else if (line.starts_with("info"sv)) {
return make<InfoCommand>(InfoCommand::from_string(line));
}
dbgln("command line: {}", line);
VERIFY_NOT_REACHED();
}
};
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