diplonat/src/diplonat.rs

use anyhow::{anyhow, Result};
use tokio::try_join;

use crate::{
  config::ConfigOpts, consul_actor::ConsulActor, fw_actor::FirewallActor, igd_actor::IgdActor,
};

pub struct Diplonat {
  consul: ConsulActor,

  firewall: Option<FirewallActor>,
  igd: Option<IgdActor>,
}

impl Diplonat {
  pub async fn new() -> Result<Self> {
    let config = ConfigOpts::from_env()?;
    println!("{:#?}", config);

    let consul_actor = ConsulActor::new(config.consul);

    let firewall_actor = FirewallActor::new(config.firewall, &consul_actor.rx_open_ports).await?;

    let igd_actor = IgdActor::new(config.igd, &consul_actor.rx_open_ports).await?;

    if firewall_actor.is_none() && igd_actor.is_none() {
      return Err(anyhow!(
        "At least enable *one* module, otherwise it's boring!"
      ))
    }

    let ctx = Self {
      consul: consul_actor,
      firewall: firewall_actor,
      igd: igd_actor,
    };

    return Ok(ctx)
  }

  pub async fn listen(&mut self) -> Result<()> {
    let firewall = &mut self.firewall;
    let igd = &mut self.igd;

    try_join!(
      self.consul.listen(),
      async {
        match firewall {
          Some(x) => x.listen().await,
          None => Ok(()),
        }
      },
      async {
        match igd {
          Some(x) => x.listen().await,
          None => Ok(()),
        }
      },
    )?;

    return Ok(())
  }
}