gameServer2/src/protocol/messages.rs
author alfadur
Fri, 07 Sep 2018 04:16:05 +0300
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child 13806 5fb40c8e5542
permissions -rw-r--r--
use openssl for password message handling
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use crate::server::coretypes::{
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    ServerVar, GameCfg, TeamInfo,
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    HedgehogInfo, VoteType
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};
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use std::{ops, convert::From, iter::once};
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#[derive(PartialEq, Eq, Clone, Debug)]
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pub enum HWProtocolMessage {
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    // core
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    Ping,
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    Pong,
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    Quit(Option<String>),
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    //Cmd(String, Vec<String>),
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    Global(String),
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    Watch(String),
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    ToggleServerRegisteredOnly,
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    SuperPower,
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    Info(String),
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    // not entered state
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    Nick(String),
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    Proto(u16),
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    Password(String, String),
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    Checker(u16, String, String),
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    // lobby
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    List,
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    Chat(String),
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    CreateRoom(String, Option<String>),
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    JoinRoom(String, Option<String>),
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    Follow(String),
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    Rnd(Vec<String>),
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    Kick(String),
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    Ban(String, String, u32),
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    BanIP(String, String, u32),
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    BanNick(String, String, u32),
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    BanList,
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    Unban(String),
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    SetServerVar(ServerVar),
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    GetServerVar,
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    RestartServer,
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    Stats,
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    // in room
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    Part(Option<String>),
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    Cfg(GameCfg),
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    AddTeam(Box<TeamInfo>),
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    RemoveTeam(String),
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    SetHedgehogsNumber(String, u8),
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    SetTeamColor(String, u8),
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    ToggleReady,
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    StartGame,
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    EngineMessage(String),
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    RoundFinished,
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    ToggleRestrictJoin,
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    ToggleRestrictTeams,
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    ToggleRegisteredOnly,
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    RoomName(String),
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    Delegate(String),
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    TeamChat(String),
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    MaxTeams(u8),
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    Fix,
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    Unfix,
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    Greeting(String),
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    CallVote(Option<VoteType>),
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    Vote(bool),
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    ForceVote(bool),
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    Save(String, String),
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    Delete(String),
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    SaveRoom(String),
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    LoadRoom(String),
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    Malformed,
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    Empty,
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}
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#[derive(Debug)]
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pub enum HWServerMessage {
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    Ping,
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    Pong,
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    Bye(String),
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    Nick(String),
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    Proto(u16),
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    ServerAuth(String),
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    LobbyLeft(String, String),
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    LobbyJoined(Vec<String>),
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    ChatMsg {nick: String, msg: String},
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    ClientFlags(String, Vec<String>),
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    Rooms(Vec<String>),
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    RoomAdd(Vec<String>),
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    RoomJoined(Vec<String>),
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    RoomLeft(String, String),
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    RoomRemove(String),
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    RoomUpdated(String, Vec<String>),
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    TeamAdd(Vec<String>),
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    TeamRemove(String),
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    TeamAccepted(String),
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    TeamColor(String, u8),
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    HedgehogsNumber(String, u8),
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    ConfigEntry(String, Vec<String>),
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    Kicked,
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    RunGame,
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    ForwardEngineMessage(Vec<String>),
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    RoundFinished,
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    ServerMessage(String),
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    Warning(String),
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    Error(String),
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    Connected(u32),
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    Unreachable,
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}
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pub fn server_chat(msg: String) -> HWServerMessage  {
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    HWServerMessage::ChatMsg{ nick: "[server]".to_string(), msg }
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}
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impl GameCfg {
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    pub fn to_protocol(&self) -> (String, Vec<String>) {
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        use crate::server::coretypes::GameCfg::*;
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        match self {
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            FeatureSize(s) => ("FEATURE_SIZE".to_string(), vec![s.to_string()]),
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            MapType(t) => ("MAP".to_string(), vec![t.to_string()]),
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            MapGenerator(g) => ("MAPGEN".to_string(), vec![g.to_string()]),
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            MazeSize(s) => ("MAZE_SIZE".to_string(), vec![s.to_string()]),
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            Seed(s) => ("SEED".to_string(), vec![s.to_string()]),
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            Template(t) => ("TEMPLATE".to_string(), vec![t.to_string()]),
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            Ammo(n, None) => ("AMMO".to_string(), vec![n.to_string()]),
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            Ammo(n, Some(s)) => ("AMMO".to_string(), vec![n.to_string(), s.to_string()]),
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            Scheme(n, None) => ("SCHEME".to_string(), vec![n.to_string()]),
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            Scheme(n, Some(s)) => ("SCHEME".to_string(), {
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                let mut v = vec![n.to_string()];
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                v.extend(s.clone().into_iter());
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                v
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            }),
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            Script(s) => ("SCRIPT".to_string(), vec![s.to_string()]),
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            Theme(t) => ("THEME".to_string(), vec![t.to_string()]),
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            DrawnMap(m) => ("DRAWNMAP".to_string(), vec![m.to_string()])
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        }
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    }
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    pub fn to_server_msg(&self) -> HWServerMessage {
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        use self::HWServerMessage::ConfigEntry;
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        let (name, args) = self.to_protocol();
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        HWServerMessage::ConfigEntry(name, args)
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    }
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}
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macro_rules! const_braces {
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    ($e: expr) => { "{}\n" }
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}
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macro_rules! msg {
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    [$($part: expr),*] => {
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        format!(concat!($(const_braces!($part)),*, "\n"), $($part),*);
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    };
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}
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#[cfg(test)]
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macro_rules! several {
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    [$part: expr] => { once($part) };
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    [$part: expr, $($other: expr),*] => { once($part).chain(several![$($other),*]) };
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}
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impl HWProtocolMessage {
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    /** Converts the message to a raw `String`, which can be sent over the network.
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     *
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     * This is the inverse of the `message` parser.
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     */
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    #[cfg(test)]
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    pub(crate) fn to_raw_protocol(&self) -> String {
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        use self::HWProtocolMessage::*;
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        match self {
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            Ping => msg!["PING"],
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            Pong => msg!["PONG"],
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            Quit(None) => msg!["QUIT"],
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            Quit(Some(msg)) => msg!["QUIT", msg],
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            Global(msg) => msg!["CMD", format!("GLOBAL {}", msg)],
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            Watch(name) => msg!["CMD", format!("WATCH {}", name)],
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            ToggleServerRegisteredOnly => msg!["CMD", "REGISTERED_ONLY"],
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            SuperPower =>  msg!["CMD", "SUPER_POWER"],
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            Info(info) => msg!["CMD", format!("INFO {}", info)],
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            Nick(nick) => msg!("NICK", nick),
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            Proto(version) => msg!["PROTO", version],
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            Password(p, s) => msg!["PASSWORD", p, s],
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            Checker(i, n, p) => msg!["CHECKER", i, n, p],
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            List => msg!["LIST"],
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            Chat(msg) => msg!["CHAT", msg],
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            CreateRoom(name, None) => msg!["CREATE_ROOM", name],
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            CreateRoom(name, Some(password)) =>
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                msg!["CREATE_ROOM", name, password],
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            JoinRoom(name, None) => msg!["JOIN_ROOM", name],
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            JoinRoom(name, Some(password)) =>
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                msg!["JOIN_ROOM", name, password],
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            Follow(name) => msg!["FOLLOW", name],
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            Rnd(args) => if args.is_empty() {
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                msg!["CMD", "RND"]
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            } else {
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                msg!["CMD", format!("RND {}", args.join(" "))]
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            },
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            Kick(name) => msg!["KICK", name],
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            Ban(name, reason, time) => msg!["BAN", name, reason, time],
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            BanIP(ip, reason, time) => msg!["BAN_IP", ip, reason, time],
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            BanNick(nick, reason, time) =>
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                msg!("BAN_NICK", nick, reason, time),
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            BanList => msg!["BANLIST"],
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            Unban(name) => msg!["UNBAN", name],
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            //SetServerVar(ServerVar), ???
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            GetServerVar => msg!["GET_SERVER_VAR"],
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            RestartServer => msg!["CMD", "RESTART_SERVER YES"],
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            Stats => msg!["CMD", "STATS"],
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            Part(None) => msg!["PART"],
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            Part(Some(msg)) => msg!["PART", msg],
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            Cfg(config) => {
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                let (name, args) = config.to_protocol();
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                msg!["CFG", name, args.join("\n")]
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            },
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            AddTeam(info) =>
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                msg!["ADD_TEAM", info.name, info.color, info.grave, info.fort,
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                     info.voice_pack, info.flag, info.difficulty,
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                     info.hedgehogs.iter()
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                        .flat_map(|h| several![&h.name[..], &h.hat[..]])
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                        .collect::<Vec<_>>().join("\n")],
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            RemoveTeam(name) => msg!["REMOVE_TEAM", name],
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            SetHedgehogsNumber(team, number) => msg!["HH_NUM", team, number],
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            SetTeamColor(team, color) => msg!["TEAM_COLOR", team, color],
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            ToggleReady => msg!["TOGGLE_READY"],
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            StartGame => msg!["START_GAME"],
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            EngineMessage(msg) => msg!["EM", msg],
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            RoundFinished => msg!["ROUNDFINISHED"],
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            ToggleRestrictJoin => msg!["TOGGLE_RESTRICT_JOINS"],
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            ToggleRestrictTeams => msg!["TOGGLE_RESTRICT_TEAMS"],
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            ToggleRegisteredOnly => msg!["TOGGLE_REGISTERED_ONLY"],
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            RoomName(name) => msg!["ROOM_NAME", name],
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            Delegate(name) => msg!["CMD", format!("DELEGATE {}", name)],
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            TeamChat(msg) => msg!["TEAMCHAT", msg],
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            MaxTeams(count) => msg!["CMD", format!("MAXTEAMS {}", count)] ,
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            Fix => msg!["CMD", "FIX"],
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            Unfix => msg!["CMD", "UNFIX"],
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            Greeting(msg) => msg!["CMD", format!("GREETING {}", msg)],
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            //CallVote(Option<(String, Option<String>)>) =>, ??
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            Vote(msg) => msg!["CMD", format!("VOTE {}", if *msg {"YES"} else {"NO"})],
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            ForceVote(msg) => msg!["CMD", format!("FORCE {}", if *msg {"YES"} else {"NO"})],
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            Save(name, location) => msg!["CMD", format!("SAVE {} {}", name, location)],
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            Delete(name) => msg!["CMD", format!("DELETE {}", name)],
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            SaveRoom(name) => msg!["CMD", format!("SAVEROOM {}", name)],
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            LoadRoom(name) => msg!["CMD", format!("LOADROOM {}", name)],
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            Malformed => msg!["A", "QUICK", "BROWN", "HOG", "JUMPS", "OVER", "THE", "LAZY", "DOG"],
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            Empty => msg![""],
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            _ => panic!("Protocol message not yet implemented")
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        }
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    }
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}
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   250
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fn construct_message(header: &[&str], msg: &[String]) -> String {
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    let mut v: Vec<_> = header.iter().map(|s| *s).collect();
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    v.extend(msg.iter().map(|s| &s[..]));
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    v.push("\n");
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    v.join("\n")
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}
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impl HWServerMessage {
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    pub fn to_raw_protocol(&self) -> String {
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        use self::HWServerMessage::*;
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   261
        match self {
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            Ping => msg!["PING"],
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            Pong => msg!["PONG"],
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   264
            Connected(protocol_version) => msg![
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                "CONNECTED",
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                "Hedgewars server https://www.hedgewars.org/",
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                protocol_version],
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   268
            Bye(msg) => msg!["BYE", msg],
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            Nick(nick) => msg!["NICK", nick],
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   270
            Proto(proto) => msg!["PROTO", proto],
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            ServerAuth(hash) => msg!["SERVER_AUTH", hash],
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            LobbyLeft(nick, msg) => msg!["LOBBY:LEFT", nick, msg],
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            LobbyJoined(nicks) =>
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                construct_message(&["LOBBY:JOINED"], &nicks),
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            ClientFlags(flags, nicks) =>
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                construct_message(&["CLIENT_FLAGS", flags], &nicks),
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            Rooms(info) =>
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   278
                construct_message(&["ROOMS"], &info),
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   279
            RoomAdd(info) =>
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   280
                construct_message(&["ROOM", "ADD"], &info),
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   281
            RoomJoined(nicks) =>
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                construct_message(&["JOINED"], &nicks),
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   283
            RoomLeft(nick, msg) => msg!["LEFT", nick, msg],
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            RoomRemove(name) => msg!["ROOM", "DEL", name],
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   285
            RoomUpdated(name, info) =>
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                construct_message(&["ROOM", "UPD", name], &info),
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            TeamAdd(info) =>
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   288
                construct_message(&["ADD_TEAM"], &info),
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            TeamRemove(name) => msg!["REMOVE_TEAM", name],
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   290
            TeamAccepted(name) => msg!["TEAM_ACCEPTED", name],
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            TeamColor(name, color) => msg!["TEAM_COLOR", name, color],
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            HedgehogsNumber(name, number) => msg!["HH_NUM", name, number],
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   293
            ConfigEntry(name, values) =>
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   294
                construct_message(&["CFG", name], &values),
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   295
            Kicked => msg!["KICKED"],
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   296
            RunGame => msg!["RUN_GAME"],
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            ForwardEngineMessage(em) =>
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   298
                construct_message(&["EM"], &em),
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            RoundFinished => msg!["ROUND_FINISHED"],
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            ChatMsg {nick, msg} => msg!["CHAT", nick, msg],
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            ServerMessage(msg) => msg!["SERVER_MESSAGE", msg],
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            Warning(msg) => msg!["WARNING", msg],
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            Error(msg) => msg!["ERROR", msg],
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            _ => msg!["ERROR", "UNIMPLEMENTED"],
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        }
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    }
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   307
}