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path: root/mumd/src/main.rs
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mod audio;
mod network;
mod command;
mod state;

use crate::network::ConnectionInfo;
use crate::command::{Command, CommandResponse};
use crate::state::State;

use argparse::ArgumentParser;
use argparse::Store;
use argparse::StoreTrue;
use colored::*;
use futures::channel::oneshot;
use futures::join;
use log::*;
use mumble_protocol::control::ControlPacket;
use mumble_protocol::crypt::ClientCryptState;
use mumble_protocol::voice::Serverbound;
use std::sync::{Arc, Mutex};
use tokio::sync::{mpsc, watch};

#[tokio::main]
async fn main() {
    // setup logger
    fern::Dispatch::new()
        .format(|out, message, record| {
            let message = message.to_string();
            out.finish(format_args!(
                "{} {}:{}{}{}",
                //TODO runtime flag that disables color
                match record.level() {
                    Level::Error => "ERROR".red(),
                    Level::Warn  => "WARN ".yellow(),
                    Level::Info  => "INFO ".normal(),
                    Level::Debug => "DEBUG".green(),
                    Level::Trace => "TRACE".normal(),
                },
                record.file().unwrap(),
                record.line().unwrap(),
                if message.chars().any(|e| e == '\n') { "\n" } else { " " },
                message
            ))
        })
        .level(log::LevelFilter::Debug)
        .chain(std::io::stderr())
        .apply().unwrap();

    // Handle command line arguments
    let mut server_host = "".to_string();
    let mut server_port = 64738u16;
    let mut username = "EchoBot".to_string();
    let mut accept_invalid_cert = false;
    {
        let mut ap = ArgumentParser::new();
        ap.set_description("Run the echo client example");
        ap.refer(&mut server_host)
            .add_option(&["--host"], Store, "Hostname of mumble server")
            .required();
        ap.refer(&mut server_port)
            .add_option(&["--port"], Store, "Port of mumble server");
        ap.refer(&mut username)
            .add_option(&["--username"], Store, "User name used to connect");
        ap.refer(&mut accept_invalid_cert).add_option(
            &["--accept-invalid-cert"],
            StoreTrue,
            "Accept invalid TLS certificates",
        );
        ap.parse_args_or_exit();
    }

    // Oneshot channel for setting UDP CryptState from control task
    // For simplicity we don't deal with re-syncing, real applications would have to.
    let (crypt_state_sender, crypt_state_receiver) = oneshot::channel::<ClientCryptState>();
    let (packet_sender, packet_receiver) = mpsc::unbounded_channel::<ControlPacket<Serverbound>>();
    let (command_sender, command_receiver) = mpsc::unbounded_channel::<Command>();
    let (command_response_sender, command_response_receiver) = mpsc::unbounded_channel::<Result<Option<CommandResponse>, ()>>();
    let (connection_info_sender, connection_info_receiver) = watch::channel::<Option<ConnectionInfo>>(None);

    command_sender.send(Command::ChannelList).unwrap();
    command_sender.send(Command::ServerConnect{host: server_host, port: server_port, username: username.clone(), accept_invalid_cert});
    command_sender.send(Command::ChannelJoin{channel_id: 1}).unwrap();
    command_sender.send(Command::ChannelList).unwrap();
    let state = State::new(packet_sender, command_sender.clone(), connection_info_sender, username);
    let state = Arc::new(Mutex::new(state));

    // Run it
    join!(
        network::tcp::handle(
            Arc::clone(&state),
            connection_info_receiver.clone(),
            crypt_state_sender,
            packet_receiver,
        ),
        network::udp::handle(
            Arc::clone(&state),
            connection_info_receiver.clone(),
            crypt_state_receiver,
        ),
        command::handle(
            state,
            command_receiver,
            command_response_sender,
        ),
        receive_command_responses(
            command_response_receiver,
        ),
    );
}

async fn receive_command_responses(
    mut command_response_receiver: mpsc::UnboundedReceiver<Result<Option<CommandResponse>, ()>>,
) {
    while let Some(command_response) = command_response_receiver.recv().await {
        debug!("{:#?}", command_response);
    }
}