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use crate::os_input_output::ClientOsApi;
use crate::web_client::control_message::WebServerToWebClientControlMessage;
use crate::web_client::types::{ClientChannels, ClientConnectionBus, ConnectionTable};
use axum::extract::ws::{CloseFrame, Message};
use std::sync::{atomic::AtomicBool, Arc};
use tokio::sync::mpsc::UnboundedSender;
use tokio_util::sync::CancellationToken;
impl ConnectionTable {
pub fn add_new_client(
&mut self,
client_id: String,
client_os_api: Box<dyn ClientOsApi>,
is_read_only: bool,
session_token_hash: String,
) {
self.client_id_to_channels
.insert(client_id.clone(), ClientChannels::new(client_os_api));
self.client_read_only_status
.insert(client_id.clone(), is_read_only);
self.client_session_token_hash
.insert(client_id, session_token_hash);
}
pub fn verify_client_ownership(&self, client_id: &str, session_token_hash: &str) -> bool {
self.client_session_token_hash
.get(client_id)
.map(|hash| hash == session_token_hash)
.unwrap_or(false)
}
pub fn is_client_read_only(&self, client_id: &str) -> bool {
self.client_read_only_status
.get(client_id)
.copied()
.unwrap_or(false)
}
pub fn add_client_control_tx(
&mut self,
client_id: &str,
control_channel_tx: UnboundedSender<Message>,
) {
self.client_id_to_channels
.get_mut(client_id)
.map(|c| c.add_control_tx(control_channel_tx));
}
pub fn add_client_terminal_tx(
&mut self,
client_id: &str,
terminal_channel_tx: UnboundedSender<String>,
) {
self.client_id_to_channels
.get_mut(client_id)
.map(|c| c.add_terminal_tx(terminal_channel_tx));
}
pub fn add_client_terminal_channel_cancellation_token(
&mut self,
client_id: &str,
terminal_channel_cancellation_token: CancellationToken,
) {
self.client_id_to_channels.get_mut(client_id).map(|c| {
c.add_terminal_channel_cancellation_token(terminal_channel_cancellation_token)
});
}
pub fn get_client_os_api(&self, client_id: &str) -> Option<&Box<dyn ClientOsApi>> {
self.client_id_to_channels.get(client_id).map(|c| &c.os_api)
}
pub fn get_client_terminal_tx(&self, client_id: &str) -> Option<UnboundedSender<String>> {
self.client_id_to_channels
.get(client_id)
.and_then(|c| c.terminal_channel_tx.clone())
}
pub fn get_client_control_tx(&self, client_id: &str) -> Option<UnboundedSender<Message>> {
self.client_id_to_channels
.get(client_id)
.and_then(|c| c.control_channel_tx.clone())
}
pub fn remove_client(&mut self, client_id: &str) {
if let Some(mut client_channels) = self.client_id_to_channels.remove(client_id).take() {
client_channels.cleanup();
}
self.client_read_only_status.remove(client_id);
self.client_session_token_hash.remove(client_id);
}
pub fn get_should_not_reconnect_flag(&self, client_id: &str) -> Option<Arc<AtomicBool>> {
self.client_id_to_channels
.get(client_id)
.map(|c| c.should_not_reconnect.clone())
}
}
impl ClientConnectionBus {
pub fn send_stdout(&mut self, stdout: String) {
match self.stdout_channel_tx.as_ref() {
Some(stdout_channel_tx) => {
let _ = stdout_channel_tx.send(stdout);
},
None => {
self.get_stdout_channel_tx();
if let Some(stdout_channel_tx) = self.stdout_channel_tx.as_ref() {
let _ = stdout_channel_tx.send(stdout);
} else {
log::error!("Failed to send STDOUT message to client");
}
},
}
}
pub fn send_control(&mut self, message: WebServerToWebClientControlMessage) {
let message = Message::Text(serde_json::to_string(&message).unwrap().into());
match self.control_channel_tx.as_ref() {
Some(control_channel_tx) => {
let _ = control_channel_tx.send(message);
},
None => {
self.get_control_channel_tx();
if let Some(control_channel_tx) = self.control_channel_tx.as_ref() {
let _ = control_channel_tx.send(message);
} else {
log::error!("Failed to send control message to client");
}
},
}
}
pub fn close_connection(&mut self) {
let should_not_reconnect = self
.connection_table
.lock()
.unwrap()
.get_should_not_reconnect_flag(&self.web_client_id)
.map(|f| f.load(std::sync::atomic::Ordering::Relaxed))
.unwrap_or(false);
let code = if should_not_reconnect {
4001u16
} else {
axum::extract::ws::close_code::NORMAL
};
let close_frame = CloseFrame {
code,
reason: "Connection closed".into(),
};
let close_message = Message::Close(Some(close_frame));
match self.control_channel_tx.as_ref() {
Some(control_channel_tx) => {
let _ = control_channel_tx.send(close_message);
},
None => {
self.get_control_channel_tx();
if let Some(control_channel_tx) = self.control_channel_tx.as_ref() {
let _ = control_channel_tx.send(close_message);
} else {
log::error!("Failed to send close message to client");
}
},
}
self.connection_table
.lock()
.unwrap()
.remove_client(&self.web_client_id);
}
pub fn close_connection_kicked(&mut self) {
if let Some(flag) = self
.connection_table
.lock()
.unwrap()
.get_should_not_reconnect_flag(&self.web_client_id)
{
flag.store(true, std::sync::atomic::Ordering::Relaxed);
}
self.close_connection();
}
fn get_control_channel_tx(&mut self) {
if let Some(control_channel_tx) = self
.connection_table
.lock()
.unwrap()
.get_client_control_tx(&self.web_client_id)
{
self.control_channel_tx = Some(control_channel_tx);
}
}
fn get_stdout_channel_tx(&mut self) {
if let Some(stdout_channel_tx) = self
.connection_table
.lock()
.unwrap()
.get_client_terminal_tx(&self.web_client_id)
{
self.stdout_channel_tx = Some(stdout_channel_tx);
}
}
}
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