reflect: TEXT_MESSAGE_HANDLES

This commit is contained in:
2021-05-17 02:33:17 +08:00
parent 9f5ceedafe
commit 50780dfd3c

View File

@@ -1,3 +1,4 @@
#[macro_use] extern crate lazy_static;
#[macro_use] extern crate rust_util;
use std::env;
@@ -105,11 +106,307 @@ impl RoomMessageDown {
struct HandleContext {
peer_map: PeerMap,
room_map: RoomMap,
admin_pass: Option<String>,
is_admin: bool,
room_id: Option<String>,
client_id: Option<String>,
}
lazy_static! {
static ref TEXT_MESSAGE_HANDLES: Vec<Box<dyn HandleTextMessage>>= {
let mut handles:Vec<Box<dyn HandleTextMessage>> = vec![];
handles.push(Box::new(HandleTextMessageExit));
handles.push(Box::new(HandleTextMessageStatics));
handles.push(Box::new(HandleTextMessagePass));
handles
};
}
trait HandleTextMessage: Sync {
fn is_matches(&self, handle_context: &mut HandleContext, tx: &Tx, addr: SocketAddr, msg: &str) -> bool;
fn handle(&self, handle_context: &mut HandleContext, tx: &Tx, addr: SocketAddr, msg: &str);
}
struct HandleTextMessageExit;
impl HandleTextMessage for HandleTextMessageExit {
fn is_matches(&self, _handle_context: &mut HandleContext, _tx: &Tx, _addr: SocketAddr, msg: &str) -> bool {
msg == "/exit"
}
fn handle(&self, _handle_context: &mut HandleContext, tx: &Tx, _addr: SocketAddr, _msg: &str) {
tx.unbounded_send(Message::Close(None)).ok();
}
}
struct HandleTextMessageStatics;
impl HandleTextMessage for HandleTextMessageStatics {
fn is_matches(&self, _handle_context: &mut HandleContext, _tx: &Tx, _addr: SocketAddr, msg: &str) -> bool {
msg == "/statics"
}
fn handle(&self, handle_context: &mut HandleContext, tx: &Tx, _addr: SocketAddr, _msg: &str) {
tx.unbounded_send(Message::Text(
format!(
"room count: {}\npeer count: {}",
handle_context.room_map.lock().unwrap().len(),
handle_context.peer_map.lock().unwrap().len(),
)
)).ok();
}
}
struct HandleTextMessagePass;
impl HandleTextMessage for HandleTextMessagePass {
fn is_matches(&self, _handle_context: &mut HandleContext, _tx: &Tx, _addr: SocketAddr, msg: &str) -> bool {
msg.starts_with("/pass ")
}
fn handle(&self, handle_context: &mut HandleContext, tx: &Tx, _addr: SocketAddr, msg: &str) {
let pass = &msg[6..];
if let Some(admin_pass) = &handle_context.admin_pass {
if admin_pass == pass {
handle_context.is_admin = true;
tx.unbounded_send(Message::Text("Admin password success".into())).ok();
} else {
tx.unbounded_send(Message::Text("Admin password error".into())).ok();
}
}
}
}
fn handle_text_message(handle_context: &mut HandleContext, tx: &Tx, addr: SocketAddr, msg: String) {
// process all registered handles
for handle in &*TEXT_MESSAGE_HANDLES {
if handle.is_matches(handle_context, tx, addr, &msg) {
return handle.handle(handle_context, tx, addr, &msg);
}
}
if handle_context.is_admin {
if msg == "/rooms" {
let rooms = handle_context.room_map.lock().unwrap().keys().map(
|k| k.clone()
).collect::<Vec<_>>().join("\n");
if rooms.is_empty() {
tx.unbounded_send(Message::Text("rooms: <empty>".into())).ok();
} else {
tx.unbounded_send(Message::Text(format!("rooms:\n{}", rooms))).ok();
}
return;
}
if msg.starts_with("/room ") {
let room_id = &msg[6..];
let room_map = handle_context.room_map.lock().unwrap();
let mut client_ids = vec![];
if let Some(client_map) = room_map.get(room_id) {
for peer_client_id in client_map.keys() {
client_ids.push(peer_client_id.clone());
}
tx.unbounded_send(Message::Text(format!("clients in room {}:\n{}", room_id, client_ids.join("\n")))).ok();
} else {
tx.unbounded_send(Message::Text(format!("room not found: {}", room_id))).ok();
}
return;
}
if msg == "/version" {
tx.unbounded_send(Message::Text(
format!("{} - v{}", NAME, VERSION)
)).ok();
return;
}
}
let room_message = match serde_json::from_str::<RoomMessage>(&msg) {
Ok(room_message) => room_message,
Err(e) => {
warning!("Parse message: from: {:?} - {:?}, failed: {}", handle_context.room_id, handle_context.client_id, e);
RoomMessageDown::create_error_reply(format!("Message parse failed: {}, message: {}", e, msg)).send(&tx);
return;
}
};
match room_message.r#type {
RoomMessageType::CreateOrEnter => {
if let (Some(room_id), Some(client_id)) = (&handle_context.room_id, &handle_context.client_id) {
warning!("Client is already in room: {:?} - {:?}", room_id, client_id);
RoomMessageDown::create_error_reply("Client is already in room").send(&tx);
} else {
if let (Some(msg_room_id), Some(msg_client_id)) = (room_message.room_id, room_message.client_id) {
let mut room_map = handle_context.room_map.lock().unwrap();
match room_map.get_mut(&msg_room_id) {
Some(client_map) => {
match client_map.get(&msg_client_id) {
Some(peer_addr) => {
if peer_addr == &addr {
information!("Duplicate enter to room: {:?} - {:?}", msg_room_id, msg_client_id);
RoomMessageDown::create_success_reply("Duplicate enter to room").send(&tx);
} else {
information!(
"Replace client: {:?} - {:?}, from {:?} -> {:?}",
msg_room_id, msg_client_id, peer_addr, addr
);
let client_replaced_message = format!("Client replaced {:?} -> {:?}", peer_addr, addr);
if let Some(tx) = handle_context.peer_map.lock().unwrap().remove(peer_addr) {
tx.unbounded_send(Message::Close(None)).ok();
}
client_map.insert(msg_client_id.clone(), addr);
RoomMessageDown::create_success_reply(client_replaced_message).send(&tx);
}
},
None => {
information!("Enter room: {:?} - {:?}, addr: {}", msg_room_id, msg_client_id, addr);
client_map.insert(msg_client_id.clone(), addr);
let m = RoomMessageDown::create_peer_enter(msg_client_id.clone());
if let Ok(mm) = serde_json::to_string(&m) {
for (client_id, client_addr) in client_map {
if client_id != &msg_client_id {
if let Some(client_tx) = handle_context.peer_map.lock().unwrap().get(client_addr) {
client_tx.unbounded_send(Message::Text(mm.clone())).ok();
}
}
}
}
RoomMessageDown::create_success_reply(format!("Client entered: {:?}", addr)).send(&tx);
},
}
},
None => {
information!("Create and enter room: {:?} - {:?}, addr: {}", msg_room_id, msg_client_id, addr);
let mut client_map = BTreeMap::new();
client_map.insert(msg_client_id.clone(), addr);
room_map.insert(msg_room_id.clone(), client_map);
RoomMessageDown::create_success_reply(format!("Client create room: {:?}", addr)).send(&tx);
},
}
handle_context.room_id = Some(msg_room_id);
handle_context.client_id = Some(msg_client_id);
} else {
RoomMessageDown::create_error_reply("Room id and client id must both assigned").send(&tx);
}
}
},
RoomMessageType::Exit => {
if let (Some(room_id), Some(client_id)) = (&handle_context.room_id, &handle_context.client_id) {
let mut room_map = handle_context.room_map.lock().unwrap();
if let Some(client_map) = room_map.get_mut(room_id) {
client_map.remove(client_id);
handle_context.peer_map.lock().unwrap().remove(&addr);
tx.unbounded_send(Message::Close(None)).ok();
} else {
warning!("Not in room: {:?} - {:?}", room_id, client_id);
}
} else {
client_not_in_room(&tx);
}
},
RoomMessageType::Destroy => {
if let (Some(room_id), Some(client_id)) = (&handle_context.room_id, &handle_context.client_id) {
information!("Destroy room: {:?} - {:?}", room_id, client_id);
let mut room_map = handle_context.room_map.lock().unwrap();
let client_map = room_map.remove(room_id);
if let Some(client_map) = client_map {
for (_client_id, client_addr) in client_map {
if let Some(client_tx) = handle_context.peer_map.lock().unwrap().remove(&client_addr) {
client_tx.unbounded_send(Message::Close(None)).ok();
}
}
}
} else {
client_not_in_room(&tx);
}
},
RoomMessageType::ListPeers => {
if let (Some(room_id), Some(client_id)) = (&handle_context.room_id, &handle_context.client_id) {
information!("List room peers: {:?} - {:?}", room_id, client_id);
let room_map = handle_context.room_map.lock().unwrap();
let client_map = room_map.get(room_id);
let mut client_ids = vec![];
if let Some(client_map) = client_map {
for (client_id, _client_addr) in client_map {
client_ids.push(client_id.clone());
}
}
let client_ids_data = serde_json::to_string(&client_ids);
if let Ok(client_ids_data) = client_ids_data {
let m = RoomMessageDown {
r#type: RoomMessageDownType::PeerList,
reply_code: Some(200),
reply_message: Some("ok".into()),
data: Some(client_ids_data),
..Default::default()
};
m.send(&tx);
}
} else {
client_not_in_room(&tx);
}
},
RoomMessageType::Broadcast => {
if let (Some(room_id), Some(client_id)) = (&handle_context.room_id, &handle_context.client_id) {
information!("Broadcast room message: {:?} - {:?}", room_id, client_id);
let room_map = handle_context.room_map.lock().unwrap();
let client_map = room_map.get(room_id);
let data = room_message.data;
let m = RoomMessageDown {
r#type: RoomMessageDownType::BroadcastMessage,
reply_code: Some(200),
reply_message: Some("ok".into()),
peer_id: Some(client_id.clone()),
data,
};
if let Ok(mm) = serde_json::to_string(&m) {
if let Some(client_map) = client_map {
let mut sent_messages = 0;
for (peer_client_id, peer_client_addr) in client_map {
if peer_client_id != client_id {
if let Some(peer_tx) = handle_context.peer_map.lock().unwrap().get(peer_client_addr) {
sent_messages += 1;
peer_tx.unbounded_send(Message::Text(mm.clone())).ok();
}
}
}
RoomMessageDown::create_success_reply(format!("Send message to {} peers", sent_messages)).send(&tx);
}
}
} else {
client_not_in_room(&tx);
}
},
RoomMessageType::Peer => {
if let (Some(room_id), Some(client_id)) = (&handle_context.room_id, &handle_context.client_id) {
information!("Send peer message: {:?} - {:?} -> {:?}", room_id, client_id, room_message.peer_id);
if let Some(peer_id) = room_message.peer_id.as_ref() {
let room_map = handle_context.room_map.lock().unwrap();
let client_map = room_map.get(room_id);
let data = room_message.data;
let m = RoomMessageDown {
r#type: RoomMessageDownType::PeerMessage,
reply_code: Some(200),
reply_message: Some("ok".into()),
peer_id: Some(client_id.clone()),
data,
};
if let Ok(mm) = serde_json::to_string(&m) {
if let Some(client_map) = client_map {
if let Some(peer_client_addr) = client_map.get(peer_id) {
if let Some(peer_tx) = handle_context.peer_map.lock().unwrap().get(peer_client_addr) {
peer_tx.unbounded_send(Message::Text(mm.clone())).ok();
}
RoomMessageDown::create_success_reply(format!("Message sent to: {}", peer_id)).send(&tx);
} else {
RoomMessageDown::create_error_reply(format!("Peer not found: {}", peer_id)).send(&tx);
}
}
}
}
} else {
client_not_in_room(&tx);
}
},
}
}
async fn handle_connection(handle_context: HandleContext, raw_stream: TcpStream, addr: SocketAddr) {
if let Err(e) = inner_handle_connection(handle_context, raw_stream, addr).await {
failure!("Handler connection error: {}", e);
@@ -130,7 +427,6 @@ async fn inner_handle_connection(
let (outgoing, incoming) = ws_stream.split();
let admin_pass = env::var("PASS").ok();
let broadcast_incoming = incoming.try_for_each(|msg| {
match msg {
Message::Close(_) => {
@@ -145,257 +441,8 @@ async fn inner_handle_connection(
RoomMessageDown::create_error_reply("binary not supported").send(&tx);
},
Message::Text(msg) => {
if msg.is_empty() {
return future::ok(());
}
if msg == "/exit" {
tx.unbounded_send(Message::Close(None)).ok();
return future::ok(());
}
if msg == "/statics" {
tx.unbounded_send(Message::Text(
format!(
"room count: {}\npeer count: {}",
handle_context.room_map.lock().unwrap().len(),
handle_context.peer_map.lock().unwrap().len(),
)
)).ok();
return future::ok(());
}
if msg.starts_with("/pass ") {
let pass = &msg[6..];
if let Some(admin_pass) = &admin_pass {
if admin_pass == pass {
handle_context.is_admin = true;
tx.unbounded_send(Message::Text("Admin password success".into())).ok();
} else {
tx.unbounded_send(Message::Text("Admin password error".into())).ok();
}
}
return future::ok(());
}
if handle_context.is_admin {
if msg == "/rooms" {
let rooms = handle_context.room_map.lock().unwrap().keys().map(
|k| k.clone()
).collect::<Vec<_>>().join("\n");
if rooms.is_empty() {
tx.unbounded_send(Message::Text("rooms: <empty>".into())).ok();
} else {
tx.unbounded_send(Message::Text(format!("rooms:\n{}", rooms))).ok();
}
return future::ok(());
}
if msg.starts_with("/room ") {
let room_id = &msg[6..];
let room_map = handle_context.room_map.lock().unwrap();
let mut client_ids = vec![];
if let Some(client_map) = room_map.get(room_id) {
for peer_client_id in client_map.keys() {
client_ids.push(peer_client_id.clone());
}
tx.unbounded_send(Message::Text(format!("clients in room {}:\n{}", room_id, client_ids.join("\n")))).ok();
} else {
tx.unbounded_send(Message::Text(format!("room not found: {}", room_id))).ok();
}
return future::ok(());
}
if msg == "/version" {
tx.unbounded_send(Message::Text(
format!("{} - v{}", NAME, VERSION)
)).ok();
return future::ok(());
}
}
let room_message = match serde_json::from_str::<RoomMessage>(&msg) {
Ok(room_message) => room_message,
Err(e) => {
warning!("Parse message: from: {:?} - {:?}, failed: {}", handle_context.room_id, handle_context.client_id, e);
RoomMessageDown::create_error_reply(format!("Message parse failed: {}, message: {}", e, msg)).send(&tx);
return future::ok(());
}
};
match room_message.r#type {
RoomMessageType::CreateOrEnter => {
if let (Some(room_id), Some(client_id)) = (&handle_context.room_id, &handle_context.client_id) {
warning!("Client is already in room: {:?} - {:?}", room_id, client_id);
RoomMessageDown::create_error_reply("Client is already in room").send(&tx);
} else {
if let (Some(msg_room_id), Some(msg_client_id)) = (room_message.room_id, room_message.client_id) {
let mut room_map = handle_context.room_map.lock().unwrap();
match room_map.get_mut(&msg_room_id) {
Some(client_map) => {
match client_map.get(&msg_client_id) {
Some(peer_addr) => {
if peer_addr == &addr {
information!("Duplicate enter to room: {:?} - {:?}", msg_room_id, msg_client_id);
RoomMessageDown::create_success_reply("Duplicate enter to room").send(&tx);
} else {
information!(
"Replace client: {:?} - {:?}, from {:?} -> {:?}",
msg_room_id, msg_client_id, peer_addr, addr
);
let client_replaced_message = format!("Client replaced {:?} -> {:?}", peer_addr, addr);
if let Some(tx) = handle_context.peer_map.lock().unwrap().remove(peer_addr) {
tx.unbounded_send(Message::Close(None)).ok();
}
client_map.insert(msg_client_id.clone(), addr);
RoomMessageDown::create_success_reply(client_replaced_message).send(&tx);
}
},
None => {
information!("Enter room: {:?} - {:?}, addr: {}", msg_room_id, msg_client_id, addr);
client_map.insert(msg_client_id.clone(), addr);
let m = RoomMessageDown::create_peer_enter(msg_client_id.clone());
if let Ok(mm) = serde_json::to_string(&m) {
for (client_id, client_addr) in client_map {
if client_id != &msg_client_id {
if let Some(client_tx) = handle_context.peer_map.lock().unwrap().get(client_addr) {
client_tx.unbounded_send(Message::Text(mm.clone())).ok();
}
}
}
}
RoomMessageDown::create_success_reply(format!("Client entered: {:?}", addr)).send(&tx);
},
}
},
None => {
information!("Create and enter room: {:?} - {:?}, addr: {}", msg_room_id, msg_client_id, addr);
let mut client_map = BTreeMap::new();
client_map.insert(msg_client_id.clone(), addr);
room_map.insert(msg_room_id.clone(), client_map);
RoomMessageDown::create_success_reply(format!("Client create room: {:?}", addr)).send(&tx);
},
}
handle_context.room_id = Some(msg_room_id);
handle_context.client_id = Some(msg_client_id);
} else {
RoomMessageDown::create_error_reply("Room id and client id must both assigned").send(&tx);
}
}
},
RoomMessageType::Exit => {
if let (Some(room_id), Some(client_id)) = (&handle_context.room_id, &handle_context.client_id) {
let mut room_map = handle_context.room_map.lock().unwrap();
if let Some(client_map) = room_map.get_mut(room_id) {
client_map.remove(client_id);
handle_context.peer_map.lock().unwrap().remove(&addr);
tx.unbounded_send(Message::Close(None)).ok();
} else {
warning!("Not in room: {:?} - {:?}", room_id, client_id);
}
} else {
client_not_in_room(&tx);
}
},
RoomMessageType::Destroy => {
if let (Some(room_id), Some(client_id)) = (&handle_context.room_id, &handle_context.client_id) {
information!("Destroy room: {:?} - {:?}", room_id, client_id);
let mut room_map = handle_context.room_map.lock().unwrap();
let client_map = room_map.remove(room_id);
if let Some(client_map) = client_map {
for (_client_id, client_addr) in client_map {
if let Some(client_tx) = handle_context.peer_map.lock().unwrap().remove(&client_addr) {
client_tx.unbounded_send(Message::Close(None)).ok();
}
}
}
} else {
client_not_in_room(&tx);
}
},
RoomMessageType::ListPeers => {
if let (Some(room_id), Some(client_id)) = (&handle_context.room_id, &handle_context.client_id) {
information!("List room peers: {:?} - {:?}", room_id, client_id);
let room_map = handle_context.room_map.lock().unwrap();
let client_map = room_map.get(room_id);
let mut client_ids = vec![];
if let Some(client_map) = client_map {
for (client_id, _client_addr) in client_map {
client_ids.push(client_id.clone());
}
}
let client_ids_data = serde_json::to_string(&client_ids);
if let Ok(client_ids_data) = client_ids_data {
let m = RoomMessageDown {
r#type: RoomMessageDownType::PeerList,
reply_code: Some(200),
reply_message: Some("ok".into()),
data: Some(client_ids_data),
..Default::default()
};
m.send(&tx);
}
} else {
client_not_in_room(&tx);
}
},
RoomMessageType::Broadcast => {
if let (Some(room_id), Some(client_id)) = (&handle_context.room_id, &handle_context.client_id) {
information!("Broadcast room message: {:?} - {:?}", room_id, client_id);
let room_map = handle_context.room_map.lock().unwrap();
let client_map = room_map.get(room_id);
let data = room_message.data;
let m = RoomMessageDown {
r#type: RoomMessageDownType::BroadcastMessage,
reply_code: Some(200),
reply_message: Some("ok".into()),
peer_id: Some(client_id.clone()),
data,
};
if let Ok(mm) = serde_json::to_string(&m) {
if let Some(client_map) = client_map {
let mut sent_messages = 0;
for (peer_client_id, peer_client_addr) in client_map {
if peer_client_id != client_id {
if let Some(peer_tx) = handle_context.peer_map.lock().unwrap().get(peer_client_addr) {
sent_messages += 1;
peer_tx.unbounded_send(Message::Text(mm.clone())).ok();
}
}
}
RoomMessageDown::create_success_reply(format!("Send message to {} peers", sent_messages)).send(&tx);
}
}
} else {
client_not_in_room(&tx);
}
},
RoomMessageType::Peer => {
if let (Some(room_id), Some(client_id)) = (&handle_context.room_id, &handle_context.client_id) {
information!("Send peer message: {:?} - {:?} -> {:?}", room_id, client_id, room_message.peer_id);
if let Some(peer_id) = room_message.peer_id.as_ref() {
let room_map = handle_context.room_map.lock().unwrap();
let client_map = room_map.get(room_id);
let data = room_message.data;
let m = RoomMessageDown {
r#type: RoomMessageDownType::PeerMessage,
reply_code: Some(200),
reply_message: Some("ok".into()),
peer_id: Some(client_id.clone()),
data,
};
if let Ok(mm) = serde_json::to_string(&m) {
if let Some(client_map) = client_map {
if let Some(peer_client_addr) = client_map.get(peer_id) {
if let Some(peer_tx) = handle_context.peer_map.lock().unwrap().get(peer_client_addr) {
peer_tx.unbounded_send(Message::Text(mm.clone())).ok();
}
RoomMessageDown::create_success_reply(format!("Message sent to: {}", peer_id)).send(&tx);
} else {
RoomMessageDown::create_error_reply(format!("Peer not found: {}", peer_id)).send(&tx);
}
}
}
}
} else {
client_not_in_room(&tx);
}
},
if !msg.is_empty() {
handle_text_message(&mut handle_context, &tx, addr, msg);
}
},
}
@@ -436,7 +483,8 @@ fn client_exit(room_map: &RoomMap, room_id: &Option<String>, client_id: &Option<
#[tokio::main]
async fn main() -> Result<(), IoError> {
let addr = env::args().nth(1).unwrap_or_else(|| "127.0.0.1:8080".to_string());
let admin_pass = env::var("PASS").ok();
let listen_addr = env::args().nth(1).unwrap_or_else(|| "127.0.0.1:8080".to_string());
let state = PeerMap::new(Mutex::new(HashMap::new()));
let room = RoomMap::new(Mutex::new(BTreeMap::new()));
@@ -444,15 +492,16 @@ async fn main() -> Result<(), IoError> {
let handle_context = HandleContext {
peer_map: state,
room_map: room,
admin_pass,
is_admin: false,
room_id: None,
client_id: None,
};
// Create the event loop and TCP listener we'll accept connections on.
let try_socket = TcpListener::bind(&addr).await;
let listener = try_socket.expect(&format!("Failed to bind ok: {}", addr));
success!("Listening on: {}", addr);
let try_socket = TcpListener::bind(&listen_addr).await;
let listener = try_socket.expect(&format!("Failed to bind ok: {}", listen_addr));
success!("Listening on: {}", listen_addr);
// Let's spawn the handling of each connection in a separate task.
while let Ok((stream, addr)) = listener.accept().await {