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S2S work, mainly

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Firepup Sixfifty 2024-07-13 10:16:30 +00:00
parent 4bccdcfc24
commit 469b74e43e
Signed by: Firepup650
SSH key fingerprint: SHA256:U0Zp8EhEe3CMqFSrC79CqatzaEiL4sjta80/RSX2XrY
1 changed files with 46 additions and 23 deletions
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67
server.py
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@ -17,6 +17,9 @@ G.remoteID = "firepi"
G.event = asyncio.Event()
G.loop = asyncio.get_event_loop()
G.interruptCount = 0
G.killList = {}
G.outboundLinks = []
G.S2SLogs = []
saveLogs = True
# Try to load a message log, if one exists
try:
@ -31,10 +34,8 @@ except Exception:
)
try:
for arg in sys.argv:
if arg.startswith("--port"):
port = int(arg.lstrip("-port= "))
elif arg.startswith("-p"):
port = int(arg.lstrip("-p= "))
if arg.startswith("--port") or arg.startswith("-p"):
port = int(arg.lstrip("-port="))
elif arg in ["-n", "--no-cache"]:
log("Explicitly erasing cached messages")
G.msgs = []
@ -42,8 +43,12 @@ try:
print("TODO: Help menu soon")
exit(0)
elif arg in ["-l", "--no-logs"]:
log("Disabling saving of logs!")
log("Explicitly disabling saving of logs!")
saveLogs = False
elif arg.startswith("--link"):
G.outboundLinks.append((arg[6:], int(arg.split(":")[1])))
else:
log(f"Unrecognized argument {arg}!", "WARN")
except Exception:
sys.tracebacklimit = 0
raise ValueError("Invalid arguments. Please refer to -? for usage.") from None
@ -145,13 +150,15 @@ async def handle_client(reader, writer):
G.serverLinks += 1
G.servers[sName] = []
msgIndex = 0
writer.write("I Awaiting client listing.\n")
while 1:
client = raw((await reader.read(967)).decode("utf8"))
if client == f"END OF CLIENT LISTING FROM {sName}":
break
if name in G.servers[sName] or name in G.clientsConnected:
if client in G.servers[sName] or client in G.clientsConnected:
writer.write(b"K Client rejected: Already exists\n")
await writer.drain()
continue
writer.write(b"I Added client.\n")
await writer.drain()
G.msgs.append(log(f"{client} has connected from {sName}"))
@ -165,7 +172,6 @@ async def handle_client(reader, writer):
case "S": # Server notice
G.msgs.extend([log(buffer[2:])])
writer.write(b"I Mmm... Blueberries\n")
await writer.drain()
case "I":
pass
case "+":
@ -177,17 +183,14 @@ async def handle_client(reader, writer):
G.servers[sName].append(cName)
G.clientsConnected.append(cName)
writer.write(b"I Mmm... Pineapples\n")
await writer.drain()
else:
writer.write(b"K Nick Collision")
await writer.drain()
case "-":
cName = buffer[2:]
G.msgs.append(log(f"{cName} has disconnected from {sName}"))
G.servers[sName].remove(cName)
G.clientsConnected.remove(cName)
writer.write(b"I Mmm... Bananas\n")
await writer.drain()
case "M":
cName = buffer[2:].split("|", 1)[0]
message = buffer[2:].split("|", 1)[1]
@ -195,20 +198,17 @@ async def handle_client(reader, writer):
writer.write(
b"I Get these damn heretic ghost clients out of my store so i can buy my cult candles in peace."
)
await writer.drain()
case "A":
cName = buffer[2:].split("|", 1)[0]
message = buffer[2:].split("|", 1)[1]
G.msgs.append(log(f"* {cName} {message}"))
writer.write(b"I Mmm... Strawberries\n")
await writer.drain()
case "Q":
break
case "K":
cName = buffer[2:]
G.killList[cName] = True
writer.write(b"I Mmm... Blood\n")
await writer.drain()
case _:
writer.write(
b"S Your server is doing drugs over here, sending me bullshit messages man - A fellow server\n"
@ -216,19 +216,22 @@ async def handle_client(reader, writer):
await writer.drain()
except TimeoutError:
pass
for cName in G.serverLinks[sName]:
await writer.drain()
writer.close()
await writer.wait_closed()
for cName in G.servers[sName]:
G.msgs.append(log(f"{cName}'s server is going down"))
G.clientsConnected.remove(cName)
G.serverLinks -= 1
G.servers.remove(sName)
G.msgs.append(log(f"{sName} has de-linked from the network"))
except [ConnectionResetError, BrokenPipeError]:
except (ConnectionResetError, BrokenPipeError):
if not name.startswith("S2S-"):
G.uniqueClients -= 1
G.msgs.append(log(f"{name} has disconnected from the server."))
G.clientsConnected.remove(name)
else:
for cName in G.serverLinks[name[4:]]:
for cName in G.servers[name[4:]]:
G.msgs.append(log(f"{cName}'s server is going down"))
try:
G.clientsConnected.remove(cName)
@ -239,24 +242,44 @@ async def handle_client(reader, writer):
G.msgs.append(log(f"{name[4:]} has de-linked from the network"))
async def run_server(port):
async def connectServer(hostname: str, port: int):
reader, writer = await asyncio.open_connection(hostname, port)
await reader.read(1024)
writer.write(f"S2S-{G.remoteID}\n".encode("utf8"))
await writer.drain()
await reader.read(1024)
for client in G.clientsConnected:
writer.write(f"{client}\n".encode("utf8"))
await writer.drain()
response = await reader.read(1024)
if response.startswith("K"):
G.killList[client] = True
writer.write(f"END OF CLIENT LISTING FROM {G.remoteID}".encode("utf8"))
await writer.drain()
# recieve client list from the other server
# copy the handling code from the S2S section above
async def runServer(port: int):
global G
server = await asyncio.start_server(handle_client, "0.0.0.0", port)
log(f"Listening on port {port}...")
G.msgs.append(log("Server startup"))
links = []
for hostname, portNum in G.outboundLinks:
links.append(connectServer(hostname, portNum))
crash = False
try:
log("Waiting on the Interrupt Event to be set...")
await G.event.wait()
log("Interrupt Event has been set, shutting down normally")
links.append(G.event.wait())
await asyncio.gather(*links)
except Exception:
crash = True
G.msgs.extend([log("Server crash", level="FATAL")[1:]])
G.msgs.append(log("Server crash", level="FATAL")[1:])
log("Shutting down from Exception")
# TODO: Add format_exc here
finally:
if not crash:
G.msgs.extend([log("Server shutdown")])
G.msgs.append(log("Server shutdown"))
log("Kicking all clients as we go down")
server.close()
# server.abort_clients()