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// This file is part of hnefatafl-copenhagen.
//
// hnefatafl-copenhagen is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// hnefatafl-copenhagen is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
// SPDX-License-Identifier: AGPL-3.0-or-later
// SPDX-FileCopyrightText: 2025 David Campbell <david@hnefatafl.org>
//! An AI, client, engine, and server for the game of Copenhagen Hnefatafl.
//!
//! ## Feature Flags
//! By default the `client` and `server` feature flags are enabled.
//! * client - enable the `hnefatafl-client` binary
//! * console - on Windows print output to the console
//! * debug - enable iced debug mode, also log on the debug level
//! * js - enable options for generating javascript code
//! * runic - enable the `icelandic-runic` binary for translating Icelandic to Icelandic Runic
//! * server - enable the `hnefatafl-server-full` binary
//! ## Message Protocol
//! Get more information about the [message protocol] used by the engine.
//! [message protocol]: https://docs.rs/hnefatafl-copenhagen/latest/hnefatafl_copenhagen/message/enum.Message.html
#![deny(clippy::panic)]
#![deny(clippy::unwrap_used)]
use std::{
io::{BufRead, BufReader, Write},
net::TcpStream,
};
#[cfg(feature = "socket")]
use socket2::TcpKeepalive;
rust_i18n::i18n!();
pub mod accounts;
pub mod ai;
pub mod board;
pub mod characters;
pub mod draw;
pub mod email;
pub mod game;
mod game_tree;
pub mod glicko;
pub mod heat_map;
pub mod locale;
mod message;
pub mod play;
pub mod rating;
pub mod role;
pub mod server_game;
pub mod space;
pub mod status;
mod tests;
pub mod time;
pub mod tournament;
pub mod tree;
pub mod utils;
pub type Id = u128;
pub const HOME: &str = "hnefatafl-copenhagen";
pub const SERVER_PORT: &str = ":49152";
pub const SOCKET_PATH: &str = "/tmp/hnefatafl.sock";
pub const VERSION_ID: &str = "ad746a65";
pub const COPYRIGHT: &str = r".SH COPYRIGHT
Copyright (C) 2025-2026 Developers of the hnefatafl-copenhagen project
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
";
pub const LONG_VERSION: &str = concat!(
env!("CARGO_PKG_VERSION"),
"
Copyright (c) 2025-2026 Developers of the hnefatafl-copenhagen project
Licensed under the AGPLv3"
);
/// # Errors
///
/// If read fails.
pub fn read_response(reader: &mut BufReader<TcpStream>) -> anyhow::Result<String> {
let mut reply = String::new();
reader.read_line(&mut reply)?;
print!("<- {reply}");
Ok(reply)
}
/// If write fails.
pub fn write_command(command: &str, stream: &mut TcpStream) -> anyhow::Result<()> {
print!("-> {command}");
stream.write_all(command.as_bytes())?;
Ok(())
#[must_use]
#[cfg(all(feature = "socket", not(target_os = "redox")))]
pub fn tcp_keep_alive() -> TcpKeepalive {
use std::time::Duration;
TcpKeepalive::new()
.with_time(Duration::from_secs(30))
.with_interval(Duration::from_secs(30))
.with_retries(3)
#[cfg(all(feature = "socket", target_os = "redox"))]
TcpKeepalive::new().with_time(Duration::from_secs(30))