423 lines
14 KiB
Python
423 lines
14 KiB
Python
import asyncio
|
|
import websockets
|
|
import json
|
|
import uuid
|
|
import av # type: ignore
|
|
import struct
|
|
from aiortc import MediaStreamTrack, RTCPeerConnection, RTCSessionDescription # type: ignore
|
|
from aiortc.mediastreams import MediaStreamError # type: ignore
|
|
from aiortc.contrib.media import MediaBlackhole, MediaPlayer # type: ignore
|
|
import jack as Jack # type: ignore
|
|
import os
|
|
import re
|
|
from datetime import datetime
|
|
from typing import Optional, Any, Type, Dict
|
|
from types import TracebackType
|
|
import sys
|
|
import aiohttp
|
|
from raygun4py import raygunprovider # type: ignore
|
|
import struct
|
|
|
|
import configparser
|
|
|
|
config = configparser.ConfigParser()
|
|
config.read("shittyserver.ini")
|
|
|
|
ENABLE_EXCEPTION_LOGGING = False
|
|
|
|
if config.get("raygun", "enable") == "True":
|
|
|
|
def handle_exception(
|
|
exc_type: Type[BaseException],
|
|
exc_value: BaseException,
|
|
exc_traceback: TracebackType,
|
|
) -> None:
|
|
cl = raygunprovider.RaygunSender(config.get("raygun", "key"))
|
|
cl.send_exception(exc_info=(exc_type, exc_value, exc_traceback))
|
|
|
|
sys.excepthook = handle_exception
|
|
|
|
|
|
file_contents_ex = re.compile(r"^ws=\d$")
|
|
|
|
|
|
def write_ob_status(status: bool) -> None:
|
|
if not os.path.exists("/music/ob_state.conf"):
|
|
print("OB State file does not exist. Bailing.")
|
|
return
|
|
with open("/music/ob_state.conf", "r+") as fd:
|
|
content = fd.read()
|
|
if "ws" in content:
|
|
content = re.sub(file_contents_ex, "ws=" + str(1 if status else 0), content)
|
|
else:
|
|
if len(content) > 0 and content[len(content) - 1] != "\n":
|
|
content += "\n"
|
|
content += "ws=" + str(1 if status else 0) + "\n"
|
|
fd.seek(0)
|
|
fd.write(content)
|
|
fd.truncate()
|
|
|
|
|
|
@Jack.set_error_function # type: ignore
|
|
def error(msg: str) -> None:
|
|
print("Error:", msg)
|
|
|
|
|
|
@Jack.set_info_function # type: ignore
|
|
def info(msg: str) -> None:
|
|
print("Info:", msg)
|
|
|
|
|
|
jack = Jack.Client("webstudio")
|
|
out1 = jack.outports.register("out_0")
|
|
out2 = jack.outports.register("out_1")
|
|
|
|
transfer_buffer1: Any = None
|
|
transfer_buffer2: Any = None
|
|
|
|
|
|
def init_buffers() -> None:
|
|
global transfer_buffer1, transfer_buffer2
|
|
transfer_buffer1 = Jack.RingBuffer(jack.samplerate * 10)
|
|
transfer_buffer2 = Jack.RingBuffer(jack.samplerate * 10)
|
|
|
|
|
|
init_buffers()
|
|
|
|
|
|
@jack.set_process_callback # type: ignore
|
|
def process(frames: int) -> None:
|
|
buf1 = out1.get_buffer()
|
|
if transfer_buffer1.read_space == 0:
|
|
for i in range(len(buf1)):
|
|
buf1[i] = b'\x00'
|
|
else:
|
|
piece1 = transfer_buffer1.read(len(buf1))
|
|
buf1[: len(piece1)] = piece1
|
|
buf2 = out2.get_buffer()
|
|
if transfer_buffer2.read_space == 0:
|
|
for i in range(len(buf2)):
|
|
buf2[i] = b'\x00'
|
|
else:
|
|
piece2 = transfer_buffer2.read(len(buf2))
|
|
buf2[: len(piece2)] = piece2
|
|
|
|
|
|
active_sessions: Dict[str, "Session"] = {}
|
|
live_session: Optional["Session"] = None
|
|
|
|
|
|
async def notify_mattserver_about_sessions() -> None:
|
|
async with aiohttp.ClientSession() as session:
|
|
data: Dict[str, Dict[str, str]] = {}
|
|
for sid, sess in active_sessions.items():
|
|
data[sid] = sess.to_dict()
|
|
async with session.post(config.get("mattserver", "notify_url"), json=data) as response:
|
|
print("Mattserver response", response)
|
|
|
|
|
|
class NotReadyException(BaseException):
|
|
pass
|
|
|
|
|
|
class Session(object):
|
|
websocket: Optional[websockets.WebSocketServerProtocol]
|
|
connection_state: Optional[str]
|
|
pc: Optional[Any]
|
|
connection_id: str
|
|
lock: asyncio.Lock
|
|
running: bool
|
|
ended: bool
|
|
resampler: Optional[Any]
|
|
|
|
def __init__(self) -> None:
|
|
self.websocket = None
|
|
self.sender = None
|
|
self.pc = None
|
|
self.resampler = None
|
|
self.connection_state = None
|
|
self.connection_id = str(uuid.uuid4())
|
|
self.ended = False
|
|
self.lock = asyncio.Lock()
|
|
self.running = False
|
|
|
|
def to_dict(self) -> Dict[str, str]:
|
|
return {"connection_id": self.connection_id}
|
|
|
|
async def activate(self) -> None:
|
|
print(self.connection_id, "Activating")
|
|
self.running = True
|
|
await self.websocket.send(json.dumps({"kind": "ACTIVATED"}))
|
|
|
|
async def deactivate(self) -> None:
|
|
print(self.connection_id, "Deactivating")
|
|
self.running = False
|
|
await self.websocket.send(json.dumps({"kind": "DEACTIVATED"}))
|
|
|
|
async def end(self) -> None:
|
|
global active_sessions, live_session
|
|
|
|
async with self.lock:
|
|
if self.ended:
|
|
print(self.connection_id, "already over")
|
|
else:
|
|
print(self.connection_id, "going away")
|
|
|
|
self.ended = True
|
|
await self.deactivate()
|
|
|
|
if self.pc is not None:
|
|
await self.pc.close()
|
|
|
|
if (
|
|
self.websocket is not None
|
|
and self.websocket.state == websockets.protocol.State.OPEN
|
|
):
|
|
await self.websocket.send(json.dumps({"kind": "DIED"}))
|
|
await self.websocket.close(1008)
|
|
|
|
if self.connection_id in active_sessions:
|
|
del active_sessions[self.connection_id]
|
|
if len(active_sessions) == 0:
|
|
write_ob_status(False)
|
|
else:
|
|
print(self.connection_id, "wasn't in active_sessions!")
|
|
|
|
if live_session == self:
|
|
live_session = None
|
|
|
|
await notify_mattserver_about_sessions()
|
|
print(self.connection_id, "bye bye")
|
|
self.ended = True
|
|
|
|
def create_peerconnection(self) -> None:
|
|
self.pc = RTCPeerConnection()
|
|
assert self.pc is not None
|
|
|
|
@self.pc.on("signalingstatechange") # type: ignore
|
|
async def on_signalingstatechange() -> None:
|
|
assert self.pc is not None
|
|
print(
|
|
self.connection_id,
|
|
"Signaling state is {}".format(self.pc.signalingState),
|
|
)
|
|
|
|
@self.pc.on("iceconnectionstatechange") # type: ignore
|
|
async def on_iceconnectionstatechange() -> None:
|
|
if self.pc is None:
|
|
print(
|
|
self.connection_id,
|
|
"ICE connection state change, but the PC is None!",
|
|
)
|
|
else:
|
|
print(
|
|
self.connection_id,
|
|
"ICE connection state is {}".format(self.pc.iceConnectionState),
|
|
)
|
|
if self.pc.iceConnectionState == "failed":
|
|
await self.end()
|
|
|
|
@self.pc.on("track") # type: ignore
|
|
async def on_track(track: MediaStreamTrack) -> None:
|
|
global live_session, transfer_buffer1, transfer_buffer2
|
|
print(self.connection_id, "Received track")
|
|
if track.kind == "audio":
|
|
print(self.connection_id, "It's audio.")
|
|
|
|
await notify_mattserver_about_sessions()
|
|
|
|
@track.on("ended") # type: ignore
|
|
async def on_ended() -> None:
|
|
print(self.connection_id, "Track {} ended".format(track.kind))
|
|
await self.end()
|
|
|
|
write_ob_status(True)
|
|
while True:
|
|
try:
|
|
frame = await track.recv()
|
|
except MediaStreamError as e:
|
|
print(self.connection_id, e)
|
|
await self.end()
|
|
if self.running:
|
|
# Right, depending on the format, we may need to do some fuckery.
|
|
# Jack expects all audio to be 32 bit floating point
|
|
# while PyAV may give us audio in any format
|
|
# (my testing has shown it to be signed 16-bit)
|
|
# We use PyAV to resample it into the right format
|
|
if self.resampler is None:
|
|
self.resampler = av.audio.resampler.AudioResampler(
|
|
format="fltp", layout="stereo", rate=jack.samplerate
|
|
)
|
|
frame.pts = None # DIRTY HACK
|
|
new_frame = self.resampler.resample(frame)
|
|
transfer_buffer1.write(new_frame.planes[0])
|
|
transfer_buffer2.write(new_frame.planes[1])
|
|
|
|
async def process_ice(self, message: Any) -> None:
|
|
if self.connection_state == "HELLO" and message["kind"] == "OFFER":
|
|
offer = RTCSessionDescription(sdp=message["sdp"], type=message["type"])
|
|
print(self.connection_id, "Received offer")
|
|
|
|
self.create_peerconnection()
|
|
assert self.pc is not None
|
|
|
|
await self.pc.setRemoteDescription(offer)
|
|
|
|
answer = await self.pc.createAnswer()
|
|
await self.pc.setLocalDescription(answer)
|
|
|
|
assert self.websocket is not None
|
|
await self.websocket.send(
|
|
json.dumps(
|
|
{
|
|
"kind": "ANSWER",
|
|
"type": self.pc.localDescription.type,
|
|
"sdp": self.pc.localDescription.sdp,
|
|
}
|
|
)
|
|
)
|
|
self.connection_state = "ANSWER"
|
|
print(self.connection_id, "Sent answer")
|
|
else:
|
|
print(
|
|
self.connection_state,
|
|
"Incorrect kind {} for state {}".format(
|
|
message["kind"], self.connection_state
|
|
),
|
|
)
|
|
|
|
async def connect(self, websocket: websockets.WebSocketServerProtocol) -> None:
|
|
global active_sessions
|
|
|
|
active_sessions[self.connection_id] = self
|
|
|
|
self.websocket = websocket
|
|
self.connection_state = "HELLO"
|
|
print(self.connection_id, "Connected")
|
|
# TODO Raygun user ID
|
|
await websocket.send(
|
|
json.dumps({"kind": "HELLO", "connectionId": self.connection_id})
|
|
)
|
|
|
|
try:
|
|
async for msg in websocket:
|
|
data = json.loads(msg)
|
|
if data["kind"] == "OFFER":
|
|
await self.process_ice(data)
|
|
elif data["kind"] == "TIME":
|
|
time = datetime.now().time()
|
|
await websocket.send(
|
|
json.dumps({"kind": "TIME", "time": str(time)})
|
|
)
|
|
else:
|
|
print(self.connection_id, "Unknown kind {}".format(data["kind"]))
|
|
await websocket.send(
|
|
json.dumps({"kind": "ERROR", "error": "unknown_kind"})
|
|
)
|
|
|
|
except websockets.exceptions.ConnectionClosedError:
|
|
print(self.connection_id, "WebSocket closed")
|
|
await self.end()
|
|
|
|
|
|
async def serve(websocket: websockets.WebSocketServerProtocol, path: str) -> None:
|
|
if path == "/stream":
|
|
session = Session()
|
|
await session.connect(websocket)
|
|
else:
|
|
pass
|
|
|
|
|
|
start_server = websockets.serve(
|
|
serve, "localhost", int(config.get("ports", "websocket"))
|
|
)
|
|
|
|
print("Shittyserver WS starting on port {}.".format(config.get("ports", "websocket")))
|
|
|
|
|
|
async def telnet_server(
|
|
reader: asyncio.StreamReader, writer: asyncio.StreamWriter
|
|
) -> None:
|
|
global active_sessions, live_session
|
|
while True:
|
|
data = await reader.readline()
|
|
if not data:
|
|
break
|
|
try:
|
|
data_str = data.decode("utf-8")
|
|
except UnicodeDecodeError as e:
|
|
print(e)
|
|
continue
|
|
parts = data_str.rstrip().split(" ")
|
|
print(parts)
|
|
|
|
if parts[0] == "Q":
|
|
result: Dict[str, Dict[str, str]] = {}
|
|
for sid, sess in active_sessions.items():
|
|
result[sid] = sess.to_dict()
|
|
writer.write(
|
|
(
|
|
json.dumps(
|
|
{
|
|
"live": live_session.to_dict()
|
|
if live_session is not None
|
|
else None,
|
|
"active": result,
|
|
}
|
|
)
|
|
+ "\r\n"
|
|
).encode("utf-8")
|
|
)
|
|
|
|
elif parts[0] == "SEL":
|
|
sid = parts[1]
|
|
if sid == "NUL":
|
|
if live_session is not None:
|
|
await live_session.deactivate()
|
|
live_session = None
|
|
print("OKAY")
|
|
writer.write("OKAY\r\n".encode("utf-8"))
|
|
else:
|
|
print("WONT no_live_session")
|
|
writer.write("WONT no_live_session\r\n".encode("utf-8"))
|
|
else:
|
|
if sid not in active_sessions:
|
|
print("WONT no_such_session")
|
|
writer.write("WONT no_such_session\r\n".encode("utf-8"))
|
|
else:
|
|
session = active_sessions[sid]
|
|
if session is None:
|
|
print("OOPS no_such_session")
|
|
writer.write("OOPS no_such_session\r\n".encode("utf-8"))
|
|
elif live_session is not None and live_session.connection_id == sid:
|
|
print("WONT already_live")
|
|
writer.write("WONT already_live\r\n".encode("utf-8"))
|
|
else:
|
|
if live_session is not None:
|
|
await live_session.deactivate()
|
|
await session.activate()
|
|
live_session = session
|
|
print("OKAY")
|
|
writer.write("OKAY\r\n".encode("utf-8"))
|
|
else:
|
|
writer.write("WHAT\r\n".encode("utf-8"))
|
|
await writer.drain()
|
|
writer.close()
|
|
|
|
|
|
async def run_telnet_server() -> None:
|
|
server = await asyncio.start_server(
|
|
telnet_server, "localhost", int(config.get("ports", "telnet"))
|
|
)
|
|
await server.serve_forever()
|
|
|
|
|
|
jack.activate()
|
|
|
|
print("Shittyserver TELNET starting on port {}".format(config.get("ports", "telnet")))
|
|
asyncio.get_event_loop().run_until_complete(notify_mattserver_about_sessions())
|
|
|
|
asyncio.get_event_loop().run_until_complete(
|
|
asyncio.gather(start_server, run_telnet_server())
|
|
)
|
|
asyncio.get_event_loop().run_forever()
|