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use std::{cell::RefCell, error::Error, rc::Rc};
use crate::Packet;
cfg_if! {
if #[cfg(target_arch = "wasm32")] {
use std::collections::VecDeque;
use web_sys::RtcDataChannel;
#[derive(Clone, Debug)]
pub struct MessageSender {
data_channel: RtcDataChannel,
dropped_outgoing_messages: Rc<RefCell<VecDeque<Packet>>>
}
impl MessageSender {
pub fn new(data_channel: RtcDataChannel,
dropped_outgoing_messages: Rc<RefCell<VecDeque<Packet>>>) -> MessageSender {
MessageSender {
data_channel,
dropped_outgoing_messages
}
}
pub fn send(&mut self, packet: Packet) -> Result<(), Box<dyn Error + Send>> {
if let Err(_) = self.data_channel.send_with_u8_array(&packet.payload()) {
self.dropped_outgoing_messages.as_ref().borrow_mut().push_back(packet);
}
Ok(())
}
}
}
else {
use std::{
net::{SocketAddr, UdpSocket},
};
#[derive(Clone, Debug)]
pub struct MessageSender {
address: SocketAddr,
socket: Rc<RefCell<UdpSocket>>,
}
impl MessageSender {
pub fn new(address: SocketAddr, socket: Rc<RefCell<UdpSocket>>) -> MessageSender {
MessageSender {
address,
socket,
}
}
pub fn send(&mut self, packet: Packet) -> Result<(), Box<dyn Error + Send>> {
if let Err(err) = self.socket.borrow().send_to(&packet.payload(), self.address) {
return Err(Box::new(err));
}
else {
return Ok(());
}
}
}
}
}