Hello world!

examples/hello_bot.rs

@@ -0,0 +1,74 @@
+// Copyright (c) 2019 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+use futures::{Future, Stream, sync::mpsc};
+use std::env::args;
+use std::process::exit;
+use std::str::FromStr;
+use tokio::runtime::current_thread::Runtime;
+use xmpp_parsers::{Jid, message::MessageType};
+use xmpp::{ClientBuilder, ClientType, ClientFeature, Event};
+
+fn main() {
+    let args: Vec<String> = args().collect();
+    if args.len() != 5 {
+        println!("Usage: {} <jid> <password> <room JID> <nick>", args[0]);
+        exit(1);
+    }
+    let jid = &args[1];
+    let password = &args[2];
+    let room_jid = &args[3];
+    let nick: &str = &args[4];
+
+    // tokio_core context
+    let mut rt = Runtime::new().unwrap();
+
+    let (value_tx, value_rx) = mpsc::unbounded();
+
+    // Client instance
+    let (client, mut agent) = ClientBuilder::new(jid, password)
+        .set_client(ClientType::Bot, "xmpp-rs")
+        .set_website("https://gitlab.com/xmpp-rs/xmpp-rs")
+        .enable_feature(ClientFeature::Avatars)
+        .build(value_tx)
+        .unwrap();
+
+    let forwarder = value_rx.for_each(|evt: Event| {
+        match evt {
+            Event::Online => {
+                println!("Online.");
+                let room_jid = Jid::from_str(room_jid).unwrap().with_resource(nick);
+                agent.join_room(room_jid, "en", "Yet another bot!");
+            },
+            Event::Disconnected => {
+                println!("Disconnected.");
+                return Err(());
+            },
+            Event::RoomJoined(jid) => {
+                println!("Joined room {}.", jid);
+                agent.send_message(jid.into_bare_jid(), MessageType::Groupchat, "en", "Hello world!");
+            },
+            Event::AvatarRetrieved(jid, path) => {
+                println!("Received avatar for {} in {}.", jid, path);
+            },
+        }
+        Ok(())
+    })
+        .map_err(|e| println!("{:?}", e));
+
+    // Start polling
+    match rt.block_on(client
+        .select2(forwarder)
+        .map(|_| ())
+        .map_err(|_| ())
+    ) {
+        Ok(_) => (),
+        Err(e) => {
+            println!("Fatal: {:?}", e);
+            ()
+        }
+    }
+}