File size: 8,486 Bytes
d0a5946 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 | """WebSocket match rooms — fan-out relay, no game simulation."""
from __future__ import annotations
import asyncio
import json
from typing import Any
from fastapi import WebSocket, WebSocketDisconnect
from lobbies import board
class MatchRoom:
def __init__(self, lobby_id: str, mode: str, match_id: str) -> None:
self.lobby_id = lobby_id
self.mode = mode
self.match_id = match_id
self.clients: dict[str, WebSocket] = {} # seated players
self.spectators: dict[str, WebSocket] = {} # read-only viewers
self.lock = asyncio.Lock()
self.started = False
async def add(self, username: str, ws: WebSocket, *, spectate: bool = False) -> None:
async with self.lock:
bucket = self.spectators if spectate else self.clients
old = bucket.get(username)
if old and old is not ws:
try:
await old.close()
except Exception:
pass
bucket[username] = ws
async def remove(self, username: str, ws: WebSocket, *, spectate: bool = False) -> None:
async with self.lock:
bucket = self.spectators if spectate else self.clients
if bucket.get(username) is ws:
del bucket[username]
async def broadcast(self, msg: dict[str, Any], exclude: str | None = None) -> None:
data = json.dumps(msg)
dead_players: list[str] = []
dead_specs: list[str] = []
async with self.lock:
players = list(self.clients.items())
specs = list(self.spectators.items())
for user, client in players + specs:
if exclude and user == exclude:
continue
try:
await client.send_text(data)
except Exception:
if user in self.clients:
dead_players.append(user)
else:
dead_specs.append(user)
for u in dead_players:
board.leave(u)
async with self.lock:
self.clients.pop(u, None)
async with self.lock:
for u in dead_specs:
self.spectators.pop(u, None)
rooms: dict[str, MatchRoom] = {}
rooms_lock = asyncio.Lock()
async def get_or_create_room(lobby_id: str, mode: str, match_id: str) -> MatchRoom:
key = f"{mode}:{lobby_id}"
async with rooms_lock:
room = rooms.get(key)
if room is None or room.match_id != match_id:
room = MatchRoom(lobby_id, mode, match_id)
rooms[key] = room
return room
async def handle_match_ws(
ws: WebSocket,
mode: str,
lobby_id: str,
username: str,
role: str = "play",
) -> None:
await ws.accept()
username = (username or "").strip()
spectate = (role or "play").lower() in ("spectate", "spec", "watch")
if not username:
await ws.send_text(json.dumps({"type": "error", "error": "username required"}))
await ws.close()
return
# Spectators use a distinct key so they never collide with a seated player name
if spectate:
username = f"spec:{username}"
lobby = board.get(lobby_id)
if not lobby or lobby["mode"] != mode:
await ws.send_text(json.dumps({"type": "error", "error": "lobby not found"}))
await ws.close()
return
if not spectate:
seat_info = board.by_user.get(username)
if not seat_info or seat_info[0] != lobby_id:
await ws.send_text(json.dumps({"type": "error", "error": "not seated in lobby"}))
await ws.close()
return
board.heartbeat(username)
# Wait until lobby is starting/live with a match_id
for _ in range(180):
lobby = board.get(lobby_id)
if lobby and not spectate:
# Keep seat alive while parked in the wait loop (HTTP HB can lag).
board.heartbeat(username)
board._maybe_start(lobby)
lobby = board.get(lobby_id)
# Seat was wiped (stale / leave) — stop waiting instead of crashing later.
if not board.by_user.get(username) or board.by_user.get(username)[0] != lobby_id:
await ws.send_text(json.dumps({"type": "error", "error": "seat lost — rejoin lobby"}))
await ws.close()
return
if lobby and lobby.get("match_id") and lobby["status"] in ("starting", "live"):
# Only proceed if this player is still seated (or spectating).
if spectate or (board.by_user.get(username) and board.by_user[username][0] == lobby_id):
break
if spectate and lobby and lobby["status"] == "open" and not lobby.get("match_id"):
await ws.send_text(
json.dumps({"type": "waiting", "lobby": board._public(lobby), "spectating": True})
)
await asyncio.sleep(0.5)
continue
await asyncio.sleep(0.5)
try:
pub = board._public(lobby) if lobby else None
await ws.send_text(
json.dumps({"type": "waiting", "lobby": pub, "spectating": spectate})
)
except Exception:
return
else:
await ws.send_text(json.dumps({"type": "error", "error": "match did not start"}))
await ws.close()
return
lobby = board.get(lobby_id)
if not lobby or not lobby.get("match_id"):
await ws.send_text(json.dumps({"type": "error", "error": "lobby reset — rejoin"}))
await ws.close()
return
seat = None
if not spectate:
seat_info = board.by_user.get(username)
if not seat_info or seat_info[0] != lobby_id:
await ws.send_text(json.dumps({"type": "error", "error": "not seated in lobby"}))
await ws.close()
return
seat = seat_info[1]
match_id = lobby["match_id"]
room = await get_or_create_room(lobby_id, mode, match_id)
await room.add(username, ws, spectate=spectate)
players = board.players_in(lobby_id)
start_payload = {
"type": "match_start",
"matchId": match_id,
"mode": mode,
"lobbyId": lobby_id,
"username": username,
"seat": seat,
"players": players,
"spectating": spectate,
}
await ws.send_text(json.dumps(start_payload))
if not spectate:
board.mark_live(lobby_id)
await room.broadcast(
{
"type": "player_joined",
"username": username,
"seat": seat,
"players": board.players_in(lobby_id),
},
exclude=username,
)
try:
while True:
raw = await ws.receive_text()
if not spectate:
board.heartbeat(username)
try:
msg = json.loads(raw)
except json.JSONDecodeError:
continue
if not isinstance(msg, dict):
continue
# Spectators are receive-only (except ping)
if spectate:
if msg.get("type") == "ping":
await ws.send_text(json.dumps({"type": "pong"}))
continue
msg["from"] = username
if msg.get("type") == "ping":
await ws.send_text(json.dumps({"type": "pong"}))
continue
await room.broadcast(msg, exclude=username)
except WebSocketDisconnect:
pass
except Exception:
pass
finally:
await room.remove(username, ws, spectate=spectate)
if not spectate:
# HF WS often blips right at match_start. Instant leave was wiping BOTH
# seats and bootstrapping players back to an empty lobby.
await asyncio.sleep(3.0)
still = board.by_user.get(username)
reconnected = username in room.clients
if still and still[0] == lobby_id and not reconnected:
board.leave(username)
await room.broadcast(
{
"type": "player_left",
"username": username,
"players": board.players_in(lobby_id),
}
)
async with rooms_lock:
if room.lobby_id == lobby_id and not room.clients and not room.spectators:
rooms.pop(f"{mode}:{lobby_id}", None)
|