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use std::sync::Arc;
use std::sync::atomic::Ordering::SeqCst;
use log::{error, info, trace, warn};
use tokio::io::{AsyncReadExt, AsyncWriteExt};
use tokio::net::tcp::{OwnedReadHalf, OwnedWriteHalf};
use tokio::net::TcpStream;
use tokio::spawn;
use nogamepads::entry_mutex;
use crate::data::message::message_enums::{ControlMessage, GameMessage};
use crate::data::message::message_enums::ExitReason::GameOver;
use crate::data::message::message_enums::GameMessage::{End, LetExit};
use crate::data::message::traits::{MessageEncoder, MessageManager};
use crate::data::player::player_data::Player;
use crate::service::service_types::ServiceType;
use crate::service::service_types::ServiceType::TCPConnection;
use crate::service::tcp_network::pad_client::pad_client_service::PadClientNetwork;
use crate::service::tcp_network::pad_server::pad_server_service::PadServerNetwork;
impl PadServerNetwork {
pub async fn start_long_connection(self: Arc<Self>, player: Player, stream: TcpStream) {
let (reader, writer) = stream.into_split();
spawn(Self::read_task(Arc::clone(&self), player.clone(), reader));
spawn(Self::write_task(Arc::clone(&self), player.clone(), writer));
}
async fn read_task(self: Arc<Self>, player: Player, mut reader: OwnedReadHalf) {
info!("[TCP Server] [Runtime] Reader started.");
entry_mutex!(self.runtime, |guard| {
guard.reader_count += 1;
});
let mut buffer = [0u8; 1024];
let mut err_message_counter = 0;
loop {
let read = reader.read(&mut buffer).await;
match read {
Ok(size) => {
let message : ControlMessage = ControlMessage::de(buffer[0..size].to_vec());
// Preprocess messages: handle exit messages.
match message {
ControlMessage::Exit => {
info!("[TCP Server] [Runtime] Player {} exited.", player.account.id);
entry_mutex!(self.runtime, |guard| {
guard.send((player.account.clone(), End), player.account.clone(), TCPConnection);
});
break;
}
ControlMessage::Err => {
info!("[TCP Server] [Runtime] Received error message from {}.", player.account.id);
if err_message_counter < 16 {
err_message_counter += 1;
} else {
warn!("[TCP Server] [Runtime] Too many error messages! Connection closed.");
entry_mutex!(self.runtime, |guard| {
guard.send((player.account.clone(), End), player.account.clone(), TCPConnection);
});
break;
}
}
_ => {}
}
// Process messages
entry_mutex!(self.runtime, |guard| {
trace!("[TCP Server] [Runtime] Received: {:?}", &message);
guard.put_into_receive_list((player.account.clone(), message), player.account.clone(), ServiceType::TCPConnection);
});
}
Err(error) => {
warn!("[TCP Server] [Runtime] Error reading from socket: {:?}", error);
break;
}
}
// Check close
entry_mutex!(self.runtime, |guard| {
if guard.data.close.load(SeqCst) {
break;
}
});
}
info!("[TCP Server] [Runtime] Reader between {} closed.", player.account.id);
entry_mutex!(self.runtime, |guard| {
guard.send((player.account.clone(), End), player.account.clone(), TCPConnection);
guard.reader_count -= 1;
})
}
async fn write_task(self: Arc<Self>, player: Player, mut writer: OwnedWriteHalf) {
info!("[TCP Server] [Runtime] Writer started.");
entry_mutex!(self.runtime, |guard| {
guard.writer_count += 1;
});
let mut closed = false;
loop {
// Check close
entry_mutex!(self.runtime, |guard| {
if guard.data.close.load(SeqCst) && !closed {
guard.send((player.account.clone(), LetExit(GameOver)), player.account.clone(), ServiceType::TCPConnection);
closed = true;
}
});
let mut message = None;
entry_mutex!(self.runtime, |guard| {
message = guard.pop_from_send_list(player.account.clone(), ServiceType::TCPConnection);
});
if let Some(message) = message {
// Preprocess messages: handle end messages.
match message.1 {
End => {
break;
}
GameMessage::Err => {
continue;
}
_ => {}
}
// Process messages
match writer.write_all(GameMessage::en(&message.1).as_slice()).await {
Ok(_) => {
trace!("[TCP Server] [Runtime] Sent {:?} to {}", &message.1, player.account.id);
writer.flush().await.expect("[TCP Client] [Runtime] Writer encountered an error");
}
Err(error) => {
warn!("[TCP Server] [Runtime] Sent {:?} to {} failed: {}", &message.1, player.account.id, error);
break;
}
}
}
}
info!("[TCP Server] [Runtime] Writer between {} closed.", player.account.id);
entry_mutex!(self.runtime, |guard| {
guard.data.sign_player_online_status(&player, TCPConnection, false);
guard.writer_count -= 1;
})
}
}
impl PadClientNetwork {
pub async fn start_long_connection(self: Arc<Self>, stream: TcpStream) {
let (reader, writer) = stream.into_split();
spawn(Self::read_task(Arc::clone(&self), reader));
spawn(Self::write_task(Arc::clone(&self), writer));
}
async fn read_task(self: Arc<Self>, mut reader: OwnedReadHalf) {
info!("[TCP Client] [Runtime] Reader started.");
let mut buffer = [0u8; 1024];
let mut err_message_counter = 0;
loop {
// Check close
entry_mutex!(self.runtime, |guard| {
if guard.close.load(SeqCst) {
break;
}
});
let read = reader.read(&mut buffer).await;
match read {
Ok(size) => {
let message : GameMessage = GameMessage::de(buffer[0..size].to_vec());
// Preprocess messages: handle exit messages.
match message {
LetExit(reason) => {
info!("[TCP Client] [Runtime] Server let you exit: {:?}", reason);
entry_mutex!(self.runtime, |guard| {
guard.send(ControlMessage::Exit, 0, TCPConnection);
guard.send(ControlMessage::End, 0, TCPConnection);
});
break;
}
GameMessage::Err => {
info!("[TCP Client] [Runtime] Received error message from server.");
if err_message_counter < 16 {
err_message_counter += 1;
} else {
warn!("[TCP Client] [Runtime] Too many error messages! Connection closed.");
entry_mutex!(self.runtime, |guard| {
guard.send(ControlMessage::End, 0, TCPConnection);
});
break;
}
}
_ => {}
}
// Process messages
entry_mutex!(self.runtime, |guard| {
trace!("[TCP Client] [Runtime] Received: {:?}", &message);
guard.put_into_receive_list(message, 0, TCPConnection);
});
}
Err(err) => {
error!("[TCP Client] [Runtime] Reader encountered an error: {}", err);
entry_mutex!(self.runtime, |guard| {
guard.send(ControlMessage::End, 0, TCPConnection);
});
break;
}
}
}
info!("[TCP Client] [Runtime] Reader closed.");
}
async fn write_task(self: Arc<Self>, mut writer: OwnedWriteHalf) {
info!("[TCP Client] [Runtime] Writer started.");
let mut closed = false;
loop {
// Check close
if !closed {
entry_mutex!(self.runtime, |guard| {
if guard.close.load(SeqCst) {
guard.send(ControlMessage::Exit, 0, TCPConnection);
guard.send(ControlMessage::End, 0, TCPConnection);
closed = true;
}
});
}
let mut message = None;
entry_mutex!(self.runtime, |guard| {
message = guard.pop_from_send_list(0, TCPConnection);
});
if let Some(message) = message {
// Preprocess messages: handle exit messages.
match message {
ControlMessage::End => { break; }
ControlMessage::Err => {
continue;
}
_ => {}
}
// Process messages
match writer.write_all(ControlMessage::en(&message).as_slice()).await {
Ok(_) => {
trace!("[TCP Client] [Runtime] Sent {:?}.", &message);
writer.flush().await.expect("[TCP Client] [Runtime] Writer encountered an error");
}
Err(error) => {
warn!("[TCP Client] [Runtime] Sent {:?} failed: {}", &message, error);
break;
}
}
}
}
info!("[TCP Client] [Runtime] Writer closed.");
entry_mutex!(self.runtime, |guard| {
guard.close();
})
}
}
|
