feat: add message-io

__network/message_io/src/client.rs

@@ -0,0 +1,46 @@
+use super::common::{Message};
+
+use message_io::events::{EventQueue};
+use message_io::network::{Network, NetEvent, Transport};
+
+use std::time::{Duration};
+
+enum Event {
+    Network(NetEvent<Message>),
+    Greet,
+}
+
+pub fn run(name: &str) {
+    let mut event_queue = EventQueue::new();
+
+    let network_sender = event_queue.sender().clone();
+    let mut network = Network::new(move |net_event| network_sender.send(Event::Network(net_event)));
+
+    let server_addr = "127.0.0.1:3000";
+    if let Ok(server_id) = network.connect(Transport::Tcp, server_addr) {
+        success!("Connect to server by TCP at {}", server_addr);
+        event_queue.sender().send(Event::Greet);
+
+        loop {
+            match event_queue.receive() {
+                Event::Greet => {
+                    network.send(server_id, Message::Greetings(format!("Hi, I am {}", name)));
+                    event_queue.sender().send_with_timer(Event::Greet, Duration::from_secs(1));
+                }
+                Event::Network(net_event) => match net_event {
+                    NetEvent::Message(_, message) => match message {
+                        Message::Greetings(text) => information!("Server says: {}", text),
+                    },
+                    NetEvent::AddedEndpoint(_) => unreachable!(),
+                    NetEvent::RemovedEndpoint(_) => {
+                        information!("Server is disconnected");
+                        return
+                    }
+                    NetEvent::DeserializationError(_) => (),
+                },
+            }
+        }
+    } else {
+        failure!("Can not connect to the server by TCP to {}", server_addr);
+    }
+}