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use std::fmt;
use super::msgmgr;
pub type Channel = u32;
pub trait Msg: fmt::Display {
}
pub struct Rmb<'a> {
msgmgr: &'a mut msgmgr::MsgMgr<'a>,
inited: bool,
}
impl<'a> Rmb<'a> {
pub fn new(msgmgr: &'a mut msgmgr::MsgMgr<'a>) -> Rmb<'a> { Rmb { msgmgr, inited: false } }
pub fn init(&mut self) -> Result<String, String> {
self.msgmgr.init().unwrap();
self.inited = true;
Ok("Success".to_string())
}
pub fn get_transport_names(&self) -> Result<Vec<String>, String> {
if self.inited {
Ok(self.msgmgr.get_transport_names().unwrap())
} else {
Err("Not Inited".to_string())
}
}
pub fn publish(&mut self, ch: Channel, msg: &'a dyn Msg) -> Result<String, String> {
if self.inited {
self.msgmgr.publish(ch, msg)
} else {
Err("Not Inited".to_string())
}
}
pub fn subscribe(&mut self, ch: Channel, f: fn(Channel, &dyn Msg)-> Result<String, String>) -> Result<String, String> {
if self.inited {
self.msgmgr.subscribe(ch, f)
} else {
Err("Not Inited".to_string())
}
}
}
#[cfg(test)]
mod tests {
use crate::transport::*;
use crate::rmb::*;
#[test]
#[ignore]
fn test_subscribe_registered() {
let t = local::TransportLocal::new();
let mut mb = msgmgr::MsgMgr::new(vec![(0..10,&t)]);
let mut r = Rmb::new(&mut mb);
r.init().unwrap();
r.subscribe(1,|_, _|{Ok("".to_string())}).unwrap();
}
#[test]
#[ignore]
#[should_panic(expected = "Not Registered")]
fn test_subscribe_unregistered() {
let t = local::TransportLocal::new();
let mut mb = msgmgr::MsgMgr::new(vec![(0..10,&t)]);
let mut r = Rmb::new(&mut mb);
r.init().unwrap();
r.subscribe(1,|_, _|{Ok("".to_string())}).unwrap();
}
}