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|
use crate::prelude::*;
struct WatchConn {
ws: WebSocket,
term: vt100::Parser,
received_data: bool,
}
impl Drop for WatchConn {
fn drop(&mut self) {
self.ws.close().unwrap();
}
}
pub(crate) struct Model {
config: crate::config::Config,
sessions: Vec<crate::protocol::Session>,
watch_conn: Option<WatchConn>,
}
impl Model {
pub(crate) fn new(config: crate::config::Config) -> Self {
Self {
config,
sessions: vec![],
watch_conn: None,
}
}
pub(crate) fn update(
&mut self,
msg: crate::Msg,
orders: &mut impl Orders<crate::Msg>,
) {
match msg {
crate::Msg::List(sessions) => match sessions {
Ok(sessions) => {
log::debug!("got sessions");
self.update_sessions(sessions);
}
Err(e) => {
log::error!("error getting sessions: {:?}", e);
}
},
crate::Msg::Refresh => {
log::debug!("refreshing");
let url =
format!("http://{}/list", self.config.public_address);
orders.perform_cmd(
seed::Request::new(url).fetch_json_data(crate::Msg::List),
);
}
crate::Msg::StartWatching(id) => {
log::debug!("watching {}", id);
self.watch(&id, orders);
}
crate::Msg::Watch(id, event) => match event {
crate::ws::WebSocketEvent::Connected(_) => {
log::info!("{}: connected", id);
}
crate::ws::WebSocketEvent::Disconnected(_) => {
log::info!("{}: disconnected", id);
}
crate::ws::WebSocketEvent::Message(msg) => {
log::info!("{}: message: {:?}", id, msg);
let json = msg.data().as_string().unwrap();
let msg: crate::protocol::Message =
serde_json::from_str(&json).unwrap();
match msg {
crate::protocol::Message::TerminalOutput { data } => {
self.process(&data);
}
crate::protocol::Message::Disconnected => {
self.disconnect_watch();
orders.send_msg(crate::Msg::Refresh);
}
crate::protocol::Message::Resize { size } => {
self.set_size(size.rows, size.cols);
}
}
}
crate::ws::WebSocketEvent::Error(e) => {
log::error!("{}: error: {:?}", id, e);
}
},
crate::Msg::StopWatching => {
self.disconnect_watch();
orders.send_msg(crate::Msg::Refresh);
}
}
}
pub(crate) fn title(&self) -> &str {
&self.config.title
}
pub(crate) fn screen(&self) -> Option<&vt100::Screen> {
self.watch_conn.as_ref().map(|conn| conn.term.screen())
}
pub(crate) fn sessions(&self) -> &[crate::protocol::Session] {
&self.sessions
}
pub(crate) fn watching(&self) -> bool {
self.watch_conn.is_some()
}
pub(crate) fn received_data(&self) -> bool {
self.watch_conn
.as_ref()
.map(|conn| conn.received_data)
.unwrap_or(false)
}
fn watch(&mut self, id: &str, orders: &mut impl Orders<crate::Msg>) {
let url =
format!("ws://{}/watch?id={}", self.config.public_address, id);
let ws = crate::ws::connect(&url, id, crate::Msg::Watch, orders);
let term = vt100::Parser::default();
self.watch_conn = Some(WatchConn {
ws,
term,
received_data: false,
})
}
fn update_sessions(&mut self, sessions: Vec<crate::protocol::Session>) {
self.sessions = sessions;
}
fn disconnect_watch(&mut self) {
self.watch_conn = None;
}
fn process(&mut self, bytes: &[u8]) {
if let Some(conn) = &mut self.watch_conn {
conn.term.process(bytes);
conn.received_data = true;
}
}
fn set_size(&mut self, rows: u16, cols: u16) {
if let Some(conn) = &mut self.watch_conn {
conn.term.set_size(rows, cols);
}
}
}
|
