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|
use crate::prelude::*;
struct WatchConn {
ws: WebSocket,
term: vt100::Parser,
received_data: bool,
}
impl WatchConn {
fn new(ws: WebSocket) -> Self {
Self {
ws,
term: vt100::Parser::default(),
received_data: false,
}
}
}
impl Drop for WatchConn {
fn drop(&mut self) {
self.ws.close().unwrap();
}
}
#[allow(clippy::large_enum_variant)]
enum State {
Login,
List(Vec<crate::protocol::Session>),
Watch(WatchConn),
}
pub(crate) struct Model {
config: crate::config::Config,
state: State,
}
impl Model {
pub(crate) fn new(
config: crate::config::Config,
orders: &mut impl Orders<crate::Msg>,
) -> Self {
let logged_in = config.username.is_some();
let self_ = Self {
config,
state: State::Login,
};
if logged_in {
self_.list(orders);
}
self_
}
pub(crate) fn update(
&mut self,
msg: crate::Msg,
orders: &mut impl Orders<crate::Msg>,
) {
match msg {
crate::Msg::Login(username) => {
log::debug!("login for username {}", username);
self.login(&username, orders);
}
crate::Msg::LoggedIn(response) => match response {
Ok(response) => {
log::debug!("logged in as {}", response.username);
self.config.username = Some(response.username);
orders.send_msg(crate::Msg::Refresh);
}
Err(e) => {
log::error!("error logging in: {:?}", e);
}
},
crate::Msg::Refresh => {
log::debug!("refreshing");
self.list(orders);
}
crate::Msg::List(sessions) => match sessions {
Ok(sessions) => {
log::debug!("got sessions");
self.state = State::List(sessions);
}
Err(e) => {
log::error!("error getting sessions: {:?}", e);
}
},
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.list(orders);
}
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 => {
log::debug!("stop watching");
self.list(orders);
}
crate::Msg::Logout => {
log::debug!("logout");
self.logout(orders);
}
crate::Msg::LoggedOut(..) => {
log::debug!("logged out");
self.config.username = None;
self.state = State::Login;
}
}
}
pub(crate) fn logging_in(&self) -> bool {
if let State::Login = self.state {
true
} else {
false
}
}
pub(crate) fn choosing(&self) -> bool {
if let State::List(..) = self.state {
true
} else {
false
}
}
pub(crate) fn watching(&self) -> bool {
if let State::Watch(..) = self.state {
true
} else {
false
}
}
pub(crate) fn username(&self) -> Option<&str> {
self.config.username.as_ref().map(|s| s.as_str())
}
pub(crate) fn sessions(&self) -> &[crate::protocol::Session] {
if let State::List(sessions) = &self.state {
sessions
} else {
&[]
}
}
pub(crate) fn screen(&self) -> Option<&vt100::Screen> {
if let State::Watch(conn) = &self.state {
Some(conn.term.screen())
} else {
None
}
}
pub(crate) fn received_data(&self) -> bool {
if let State::Watch(conn) = &self.state {
conn.received_data
} else {
false
}
}
pub(crate) fn allowed_login_method(
&self,
ty: crate::protocol::AuthType,
) -> bool {
self.config.allowed_login_methods.contains(&ty)
}
pub(crate) fn oauth_login_url(
&self,
ty: crate::protocol::AuthType,
) -> Option<&str> {
self.config.oauth_login_urls.get(&ty).map(|s| s.as_str())
}
fn login(&self, username: &str, orders: &mut impl Orders<crate::Msg>) {
let url = format!(
"http://{}/login?username={}",
self.config.public_address, username
);
orders.perform_cmd(
seed::Request::new(url).fetch_json_data(crate::Msg::LoggedIn),
);
}
fn list(&self, orders: &mut impl Orders<crate::Msg>) {
let url = format!("http://{}/list", self.config.public_address);
orders.perform_cmd(
seed::Request::new(url).fetch_json_data(crate::Msg::List),
);
}
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);
self.state = State::Watch(WatchConn::new(ws));
}
fn logout(&self, orders: &mut impl Orders<crate::Msg>) {
let url = format!("http://{}/logout", self.config.public_address);
orders.perform_cmd(
seed::Request::new(url).fetch(crate::Msg::LoggedOut),
);
}
fn process(&mut self, bytes: &[u8]) {
if let State::Watch(conn) = &mut self.state {
conn.term.process(bytes);
conn.received_data = true;
}
}
fn set_size(&mut self, rows: u16, cols: u16) {
if let State::Watch(conn) = &mut self.state {
conn.term.set_size(rows, cols);
}
}
}
|
