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#[macro_use(logerr)]
extern crate reactio;
#[cfg(test)]
mod tests {
use std::io::Write;
#[test]
/// SimpleIoReactor implements `Reactor` and calls user handlers on events.
pub fn test_io_reactor() {
type AppData = (); // no application data for reactor.
let app_data = ();
let addr = "127.0.0.1:12355";
let recv_buffer_min_size = 1024;
let mut runtime = reactio::SimpleIoRuntime::new();
let on_server_sock_msg =
|buf: &mut [u8], ctx: &mut reactio::SimpleIoReactorContext<'_>, _: &mut AppData| {
ctx.send_or_que(buf)?; // echo back message.
Ok(buf.len()) // return number of bytes having been consumed.
};
let on_server_connected =
|ctx: &mut reactio::SimpleIoReactorContext<'_>, listenerid, _: &mut AppData| {
ctx.cmd_sender
.send_close(listenerid, reactio::Deferred::Immediate, |_| {})?; // close parent listerner.
Ok(()) // accept current connection.
};
let on_new_connection = move |_childid| {
// create a new Reactor for the new connection.
Some(reactio::SimpleIoReactor::<AppData>::new_boxed(
app_data,
Some(Box::new(on_server_connected)), // on_connected
None, // on_closed
on_server_sock_msg, // on_sock_msg
))
};
//-- server
runtime
.get_cmd_sender()
.send_listen(
addr,
reactio::SimpleIoListener::new(recv_buffer_min_size, on_new_connection),
reactio::Deferred::Immediate,
|_| {}, // OnCommandCompletion
)
.unwrap();
// wait for server ready.
let timer = reactio::utils::Timer::new_millis(1000);
while runtime.count_reactors() < 1 {
if timer.expired() {
logerr!("ERROR: timeout waiting for listener start!");
break;
}
runtime.process_events();
}
//-- client
let on_client_connected =
move |ctx: &mut reactio::SimpleIoReactorContext<'_>, _, _: &mut AppData| {
// client sends initial msg.
let mut auto_sender = ctx.acquire_send(); // send on drop
auto_sender.write_fmt(format_args!("test ")).unwrap();
auto_sender.write_fmt(format_args!("msgsend")).unwrap();
assert_eq!(auto_sender.count_written(), 12);
assert_eq!(auto_sender.get_written(), b"test msgsend");
// auto_sender.send(None).unwrap(); // this line can be omitted to let it auto send on drop.
// ctx.send_or_que("Hello".as_bytes())?; // rather than using auto_sender, we call ctx.send_or_que
Ok(()) // accept connection
};
let on_client_sock_msg =
|_buf: &mut [u8], _ctx: &mut reactio::SimpleIoReactorContext<'_>, _: &mut AppData| {
Err("Client disconnect on recv response.".to_owned())
};
runtime
.get_cmd_sender()
.send_connect(
addr,
recv_buffer_min_size,
reactio::SimpleIoReactor::new(
app_data,
Some(Box::new(on_client_connected)), // on_connected
None, // on_closed
on_client_sock_msg, // on_sock_msg
),
reactio::Deferred::Immediate,
|_| {}, // OnCommandCompletion
)
.unwrap();
// In non-threaded environment, process_events until there're no reactors, no events, no deferred events.
let timer = reactio::utils::Timer::new_millis(1000);
while runtime.process_events() {
if timer.expired() {
logerr!("ERROR: timeout waiting for tests to complete!");
break;
}
}
assert_eq!(runtime.count_reactors(), 0);
assert_eq!(runtime.count_deferred_queue(), 0);
}
#[test]
/// Clonable SimpleIoService implements `Reactor` and serves multiple sockets..
pub fn test_io_service() {
struct ServiceData {
count_recv: usize,
connt_new_connections: usize,
count_disconnections: usize,
}
type NoAppData = (); // no application data for client.
let no_app_data = ();
const NCLIENTS: usize = 3;
let addr = "127.0.0.1:12355";
let recv_buf_min_size = 1024;
let mut runtime = reactio::SimpleIoRuntime::new();
let on_server_sock_msg = |buf: &mut [u8],
ctx: &mut reactio::SimpleIoReactorContext<'_>,
data: &mut ServiceData| {
ctx.send_or_que(buf)?; // echo back message.
data.count_recv += 1;
Ok(buf.len()) // return number of bytes having been consumed.
};
let service = reactio::SimpleIoService::new(
recv_buf_min_size,
ServiceData {
count_recv: 0,
connt_new_connections: 0,
count_disconnections: 0,
},
// on_connected
Some(Box::new(
|_: &mut reactio::SimpleIoReactorContext<'_>,
_: reactio::ReactorID,
data: &mut ServiceData| {
data.connt_new_connections += 1;
Ok(())
},
)),
// on_closed
Some(Box::new(
|_: reactio::ReactorID, _: &reactio::CmdSender<()>, data: &mut ServiceData| {
data.count_disconnections += 1;
},
)),
on_server_sock_msg,
);
//-- server
runtime
.get_cmd_sender()
.send_listen(
addr,
reactio::SimpleIoListener::new_with_io_service(service.clone()), // clone service on each new connection
reactio::Deferred::Immediate,
|_| {}, // OnCommandCompletion
)
.unwrap();
// wait for server ready.
let timer = reactio::utils::Timer::new_millis(1000);
while runtime.count_reactors() < 1 {
if timer.expired() {
logerr!("ERROR: timeout waiting for listener start!");
break;
}
runtime.process_events();
}
//-- client
let on_client_connected =
|ctx: &mut reactio::SimpleIoReactorContext<'_>, _, _: &mut NoAppData| {
// client sends initial msg.
let mut auto_sender = ctx.acquire_send(); // send on drop
auto_sender.write_fmt(format_args!("test ")).unwrap();
auto_sender.write_fmt(format_args!("msgsend")).unwrap();
assert_eq!(auto_sender.count_written(), 12);
assert_eq!(auto_sender.get_written(), b"test msgsend");
// auto_sender.send(None).unwrap(); // this line can be omitted to let it auto send on drop.
//--- rather than using auto_sender, we call ctx.send_or_que
// ctx.send_or_que("Hello".as_bytes())?;
Ok(()) // accept connection
};
let on_client_sock_msg =
|_buf: &mut [u8], _ctx: &mut reactio::SimpleIoReactorContext<'_>, _: &mut NoAppData| {
Err("Client disconnects when recv response.".to_owned())
};
// 3 connections.
for _ in 0..NCLIENTS {
runtime
.get_cmd_sender()
.send_connect(
addr,
recv_buf_min_size,
reactio::SimpleIoReactor::<NoAppData>::new(
no_app_data,
Some(Box::new(on_client_connected)), // on_connected
None, // on_closed
on_client_sock_msg, // on_sock_msg
),
reactio::Deferred::Immediate,
|_| {}, // OnCommandCompletion
)
.unwrap();
}
let timer = reactio::utils::Timer::new_millis(1000);
let mut disconnections = 0;
while disconnections < NCLIENTS {
service
.apply_app_data(|data| {
disconnections = data.count_disconnections;
})
.expect("Failed to get app dataa");
if timer.expired() {
logerr!("ERROR: timeout waiting for all disconnections!");
break;
}
runtime.process_events();
}
}
}