handle join and privmsg irc commands

src/projections/irc.rs

@@ -7,12 +7,12 @@ use tokio::net::tcp::{ReadHalf, WriteHalf};
 use tokio::net::{TcpListener, TcpStream};
 use tokio::sync::oneshot::channel;
 
-use crate::core::player::{PlayerId, PlayerRegistry};
+use crate::core::player::{PlayerId, PlayerRegistry, Updates};
 use crate::core::room::RoomId;
 use crate::prelude::*;
 use crate::protos::irc::client::{client_message, ClientMessage};
 use crate::protos::irc::server::{ServerMessage, ServerMessageBody};
-use crate::protos::irc::Chan;
+use crate::protos::irc::{Chan, Recipient};
 use crate::util::Terminator;
 
 #[derive(Deserialize, Debug, Clone)]
@@ -134,6 +134,7 @@ async fn handle_registered_socket<'a>(
     let mut user_handle = players
         .get_or_create_player(PlayerId(user.nickname.clone()))
         .await;
+    let mut connnection = user_handle.subscribe().await;
 
     ServerMessage {
         tags: vec![],
@@ -221,7 +222,18 @@ async fn handle_registered_socket<'a>(
                                     },
                                     Chan::Local(_) => {},
                                 };
-                            }
+                            },
+                            ClientMessage::PrivateMessage { recipient, body } => {
+                                match recipient {
+                                    Recipient::Chan(Chan::Global(room)) => {
+                                        match String::from_utf8(body) {
+                                            Ok(body) => user_handle.send_message(RoomId(room.clone()), body.clone()).await,
+                                            Err(err) => log::warn!("failed to parse incoming message: {err}"),
+                                        }
+                                    },
+                                    _ => log::warn!("Unsupported target type"),
+                                }
+                            },
                             _ => {},
                         }
                     },
@@ -231,6 +243,19 @@ async fn handle_registered_socket<'a>(
                 }
                 buffer.clear();
             },
+            update = connnection.recv() => {
+                match update.unwrap() {
+                    Updates::RoomJoined { room_id } => {},
+                    Updates::NewMessage { room_id, body } => {
+                        ServerMessage {
+                            tags: vec![],
+                            sender: None,
+                            body: ServerMessageBody::PrivateMessage { target: Recipient::Chan(Chan::Global(room_id.0)), body: body.as_bytes().to_vec() }
+                        }.write_async(&mut writer).await?;
+                        writer.flush().await?
+                    },
+                }
+            }
         }
     }
     Ok(())

src/protos/irc/client.rs

@@ -4,29 +4,24 @@ use super::*;
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub enum ClientMessage {
     /// CAP. Capability-related commands.
-    Capability {
-        subcommand: CapabilitySubcommand,
-    },
+    Capability { subcommand: CapabilitySubcommand },
     /// PING <token>
-    Ping {
-        token: ByteVec,
-    },
+    Ping { token: ByteVec },
     /// PONG <token>
-    Pong {
-        token: ByteVec,
-    },
-    /// NICK <name>
-    Nick {
-        nickname: ByteVec,
-    },
+    Pong { token: ByteVec },
+    /// NICK <nickname>
+    Nick { nickname: ByteVec },
+    /// USER <username> 0 * :<realname>
     User {
         username: ByteVec,
         realname: ByteVec,
     },
+    /// JOIN <chan>
     Join(Chan),
-    Quit {
-        reason: ByteVec,
-    },
+    /// PRIVMSG <target> :<msg>
+    PrivateMessage { recipient: Recipient, body: ByteVec },
+    /// QUIT :<reason>
+    Quit { reason: ByteVec },
 }
 
 pub fn client_message(input: &[u8]) -> IResult<&[u8], ClientMessage> {
@@ -37,6 +32,7 @@ pub fn client_message(input: &[u8]) -> IResult<&[u8], ClientMessage> {
         client_message_nick,
         client_message_user,
         client_message_join,
+        client_message_privmsg,
         client_message_quit,
     ))(input)
 }
@@ -107,6 +103,16 @@ fn client_message_join(input: &[u8]) -> IResult<&[u8], ClientMessage> {
     Ok((input, ClientMessage::Join(chan)))
 }
 
+fn client_message_privmsg(input: &[u8]) -> IResult<&[u8], ClientMessage> {
+    let (input, _) = tag("PRIVMSG ")(input)?;
+    let (input, recipient) = recipient(input)?;
+    let (input, _) = tag(" :")(input)?;
+    let (input, body) = token(input)?;
+
+    let body = body.to_vec();
+    Ok((input, ClientMessage::PrivateMessage { recipient, body }))
+}
+
 fn client_message_quit(input: &[u8]) -> IResult<&[u8], ClientMessage> {
     let (input, _) = tag("QUIT :")(input)?;
     let (input, reason) = token(input)?;

src/protos/irc/mod.rs

@@ -2,11 +2,14 @@
 pub mod client;
 pub mod server;
 
+use std::io::Result;
+
 use nom::{
     branch::alt,
     bytes::complete::{tag, take, take_while},
     IResult,
 };
+use tokio::io::{AsyncWrite, AsyncWriteExt};
 
 type ByteVec = Vec<u8>;
 
@@ -32,6 +35,21 @@ pub enum Chan {
     /// &<name> — server-local channel, available only to connections to the same server. Rarely used in practice.
     Local(ByteVec),
 }
+impl Chan {
+    pub async fn write_async(&self, writer: &mut (impl AsyncWrite + Unpin)) -> Result<()> {
+        match self {
+            Chan::Global(name) => {
+                writer.write_all(b"#").await?;
+                writer.write_all(&name).await?;
+            }
+            Chan::Local(name) => {
+                writer.write_all(b"&").await?;
+                writer.write_all(&name).await?;
+            }
+        }
+        Ok(())
+    }
+}
 
 fn chan(input: &[u8]) -> IResult<&[u8], Chan> {
     fn chan_global(input: &[u8]) -> IResult<&[u8], Chan> {
@@ -48,3 +66,88 @@ fn chan(input: &[u8]) -> IResult<&[u8], Chan> {
 
     alt((chan_global, chan_local))(input)
 }
+
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub enum Recipient {
+    Nick(ByteVec),
+    Chan(Chan),
+}
+impl Recipient {
+    pub async fn write_async(&self, writer: &mut (impl AsyncWrite + Unpin)) -> Result<()> {
+        match self {
+            Recipient::Nick(nick) => writer.write_all(&nick).await?,
+            Recipient::Chan(chan) => chan.write_async(writer).await?,
+        }
+        Ok(())
+    }
+}
+
+fn recipient(input: &[u8]) -> IResult<&[u8], Recipient> {
+    fn recipient_chan(input: &[u8]) -> IResult<&[u8], Recipient> {
+        let (input, chan) = chan(input)?;
+        Ok((input, Recipient::Chan(chan)))
+    }
+
+    fn recipient_nick(input: &[u8]) -> IResult<&[u8], Recipient> {
+        let (input, nick) = receiver(input)?;
+        Ok((input, Recipient::Nick(nick.to_vec())))
+    }
+
+    alt((recipient_chan, recipient_nick))(input)
+}
+
+#[cfg(test)]
+mod test {
+    use assert_matches::*;
+
+    use super::*;
+    use crate::util::testkit::*;
+
+    #[test]
+    fn test_chan_global() {
+        let input = b"#testchan";
+        let expected = Chan::Global(b"testchan".to_vec());
+
+        let result = chan(input);
+        assert_matches!(result, Ok((_, result)) => assert_eq!(expected, result));
+
+        let mut bytes = vec![];
+        sync_future(expected.write_async(&mut bytes))
+            .unwrap()
+            .unwrap();
+
+        assert_eq!(bytes.as_slice(), input);
+    }
+
+    #[test]
+    fn test_chan_local() {
+        let input = b"&localchan";
+        let expected = Chan::Local(b"localchan".to_vec());
+
+        let result = chan(input);
+        assert_matches!(result, Ok((_, result)) => assert_eq!(expected, result));
+
+        let mut bytes = vec![];
+        sync_future(expected.write_async(&mut bytes))
+            .unwrap()
+            .unwrap();
+
+        assert_eq!(bytes.as_slice(), input);
+    }
+
+    #[test]
+    fn test_recipient_user() {
+        let input = b"User";
+        let expected = Recipient::Nick(b"User".to_vec());
+
+        let result = recipient(input);
+        assert_matches!(result, Ok((_, result)) => assert_eq!(expected, result));
+
+        let mut bytes = vec![];
+        sync_future(expected.write_async(&mut bytes))
+            .unwrap()
+            .unwrap();
+
+        assert_eq!(bytes.as_slice(), input);
+    }
+}

src/protos/irc/server.rs

@@ -55,6 +55,10 @@ pub enum ServerMessageBody {
         from: ByteVec,
         token: ByteVec,
     },
+    PrivateMessage {
+        target: Recipient,
+        body: ByteVec,
+    },
     N001Welcome {
         client: ByteVec,
         text: ByteVec,
@@ -102,6 +106,12 @@ impl ServerMessageBody {
                 writer.write_all(b" :").await?;
                 writer.write_all(&token).await?;
             }
+            ServerMessageBody::PrivateMessage { target, body } => {
+                writer.write_all(b"PRIVMSG ").await?;
+                target.write_async(writer).await?;
+                writer.write_all(b" :").await?;
+                writer.write_all(&body).await?;
+            }
             ServerMessageBody::N001Welcome { client, text } => {
                 writer.write_all(b"001 ").await?;
                 writer.write_all(&client).await?;