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Adds an option for the server to intentionally crash when it's outbound links go down

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Firepup Sixfifty 2024-07-16 21:57:35 +00:00
parent 833038c477
commit d1779dd51e
Signed by: Firepup650
SSH key fingerprint: SHA256:U0Zp8EhEe3CMqFSrC79CqatzaEiL4sjta80/RSX2XrY
1 changed files with 12 additions and 0 deletions
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12
server.py
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@ -4,6 +4,9 @@ from traceback import format_exc
from logs import log from logs import log
class LinksDownException(Exception): ...
class Globals: ... class Globals: ...
@ -23,6 +26,7 @@ G.interruptCount = 0
G.killList = {} G.killList = {}
G.outboundLinks = [] G.outboundLinks = []
G.S2SLogs = [] G.S2SLogs = []
G.cwlgd = False
saveLogs = True saveLogs = True
address = "0.0.0.0" address = "0.0.0.0"
# Try to load a message log, if one exists # Try to load a message log, if one exists
@ -58,6 +62,7 @@ Accepted arguments:
--link=<host>:<port> - Establishes an S2S link with remote server <host> on port <port> when the server starts up --link=<host>:<port> - Establishes an S2S link with remote server <host> on port <port> when the server starts up
--hostname=<string> - Sets the hostname for this server to use when talking to other servers. Defaults to the current system's hostname (limit of 16 chars) --hostname=<string> - Sets the hostname for this server to use when talking to other servers. Defaults to the current system's hostname (limit of 16 chars)
--address=<IP> - Sets the IP to listen on, defaults to all addresses (0.0.0.0) --address=<IP> - Sets the IP to listen on, defaults to all addresses (0.0.0.0)
--cwlgd - Crashes the server when outbound links go down
Examples: Examples:
python3 {filename} --hostname=Fun-chat --link=chat.example.com:65048 --port=92628 python3 {filename} --hostname=Fun-chat --link=chat.example.com:65048 --port=92628
@ -76,6 +81,9 @@ python3 {filename} --address=127.0.0.1 -l -p=7288"""
raise ValueError raise ValueError
elif arg.startswith("--address"): elif arg.startswith("--address"):
address = arg[9:] address = arg[9:]
elif arg.startswith("--cwlgd"):
G.cwlgd = True
log("Server will crasg when outbound links go down!", "WARN")
else: else:
log(f"Unrecognized argument {arg}!", "WARN") log(f"Unrecognized argument {arg}!", "WARN")
except Exception: except Exception:
@ -537,6 +545,8 @@ async def connectServer(hostname: str, port: int):
pass pass
await writer.drain() await writer.drain()
msgInd += 1 msgInd += 1
if G.cwlgd:
raise LinksDownException
await writer.drain() await writer.drain()
writer.close() writer.close()
await writer.wait_closed() await writer.wait_closed()
@ -546,6 +556,8 @@ async def connectServer(hostname: str, port: int):
del G.servers[rID] del G.servers[rID]
G.msgs.append(log(f"{rID} has de-linked from the network")) G.msgs.append(log(f"{rID} has de-linked from the network"))
except (ConnectionResetError, BrokenPipeError, IndexError): except (ConnectionResetError, BrokenPipeError, IndexError):
if G.cwlgd:
raise LinksDownException
for cName in G.servers[rID]: for cName in G.servers[rID]:
G.msgs.append(log(f"{cName}'s server is going down")) G.msgs.append(log(f"{cName}'s server is going down"))
try: try: