1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/*
* 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 "UCIEndpoint.h"
#include <AK/ByteBuffer.h>
#include <AK/String.h>
#include <LibCore/EventLoop.h>
#include <LibCore/File.h>
// #define UCI_DEBUG
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(const Command& command)
{
#ifdef UCI_DEBUG
dbgln("{} Sent UCI Command: {}", class_name(), String(command.to_string().characters(), Chomp));
#endif
m_out->write(command.to_string());
}
void Endpoint::event(Core::Event& event)
{
switch (event.type()) {
case Command::Type::UCI:
return handle_uci();
case Command::Type::Debug:
return handle_debug(static_cast<const DebugCommand&>(event));
case Command::Type::IsReady:
return handle_uci();
case Command::Type::SetOption:
return handle_setoption(static_cast<const SetOptionCommand&>(event));
case Command::Type::Position:
return handle_position(static_cast<const PositionCommand&>(event));
case Command::Type::Go:
return handle_go(static_cast<const GoCommand&>(event));
case Command::Type::Stop:
return handle_stop();
case Command::Type::Id:
return handle_id(static_cast<const IdCommand&>(event));
case Command::Type::UCIOk:
return handle_uciok();
case Command::Type::ReadyOk:
return handle_readyok();
case Command::Type::BestMove:
return handle_bestmove(static_cast<const BestMoveCommand&>(event));
case Command::Type::Info:
return handle_info(static_cast<const InfoCommand&>(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);
#ifdef UCI_DEBUG
dbgln("{} Received UCI Command: {}", class_name(), line);
#endif
if (line == "uci") {
return make<UCICommand>(UCICommand::from_string(line));
} else if (line.starts_with("debug")) {
return make<DebugCommand>(DebugCommand::from_string(line));
} else if (line.starts_with("isready")) {
return make<IsReadyCommand>(IsReadyCommand::from_string(line));
} else if (line.starts_with("setoption")) {
return make<SetOptionCommand>(SetOptionCommand::from_string(line));
} else if (line.starts_with("position")) {
return make<PositionCommand>(PositionCommand::from_string(line));
} else if (line.starts_with("go")) {
return make<GoCommand>(GoCommand::from_string(line));
} else if (line.starts_with("stop")) {
return make<StopCommand>(StopCommand::from_string(line));
} else if (line.starts_with("id")) {
return make<IdCommand>(IdCommand::from_string(line));
} else if (line.starts_with("uciok")) {
return make<UCIOkCommand>(UCIOkCommand::from_string(line));
} else if (line.starts_with("readyok")) {
return make<ReadyOkCommand>(ReadyOkCommand::from_string(line));
} else if (line.starts_with("bestmove")) {
return make<BestMoveCommand>(BestMoveCommand::from_string(line));
} else if (line.starts_with("info")) {
return make<InfoCommand>(InfoCommand::from_string(line));
}
dbgln("command line: {}", line);
ASSERT_NOT_REACHED();
}
};
|
