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improve connection timeout handling

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This commit is contained in:
Jakob Ketterl 2021-05-18 20:44:05 +02:00
parent 48dc75c728
commit 5b92c317c1
2 changed files with 11 additions and 7 deletions
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3
owrx/connection.py
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@ -16,7 +16,7 @@ from owrx.waterfall import WaterfallOptions
from owrx.websocket import Handler from owrx.websocket import Handler
from queue import Queue, Full, Empty from queue import Queue, Full, Empty
from js8py import Js8Frame from js8py import Js8Frame
from abc import ABC, ABCMeta, abstractmethod from abc import ABCMeta, abstractmethod
import json import json
import threading import threading
@ -517,6 +517,7 @@ class HandshakeMessageHandler(Handler):
logger.warning("invalid connection type: %s", handshake["type"]) logger.warning("invalid connection type: %s", handshake["type"])
if client is not None: if client is not None:
logger.debug("handing off connection handling to %s", type(client).__name__)
# hand off all further communication to the correspondig connection # hand off all further communication to the correspondig connection
conn.send("CLIENT DE SERVER server=openwebrx version={version}".format(version=openwebrx_version)) conn.send("CLIENT DE SERVER server=openwebrx version={version}".format(version=openwebrx_version))
conn.setMessageHandler(client) conn.setMessageHandler(client)

15
owrx/websocket.py
View File

@ -137,10 +137,10 @@ class WebSocketConnection(object):
self._sendBytes(data_to_send) self._sendBytes(data_to_send)
def _sendBytes(self, data_to_send): def _sendBytes(self, data_to_send):
def chunks(l, n): def chunks(input, n):
"""Yield successive n-sized chunks from l.""" """Yield successive n-sized chunks from input."""
for i in range(0, len(l), n): for i in range(0, len(input), n):
yield l[i : i + n] yield input[i: i + n]
try: try:
with self.sendLock: with self.sendLock:
@ -151,9 +151,11 @@ class WebSocketConnection(object):
if written != len(chunk): if written != len(chunk):
logger.error("incomplete write! closing socket!") logger.error("incomplete write! closing socket!")
self.close() self.close()
break
else: else:
logger.debug("socket not returned from select; closing") logger.debug("socket not returned from select; closing")
self.close() self.close()
break
# these exception happen when the socket is closed # these exception happen when the socket is closed
except OSError: except OSError:
logger.exception("OSError while writing data") logger.exception("OSError while writing data")
@ -214,9 +216,10 @@ class WebSocketConnection(object):
length = (header[0] << 8) + header[1] length = (header[0] << 8) + header[1]
if mask: if mask:
masking_key = protected_read(4) masking_key = protected_read(4)
data = protected_read(length) data = protected_read(length)
if mask:
data = bytes([b ^ masking_key[index % 4] for (index, b) in enumerate(data)]) data = bytes([b ^ masking_key[index % 4] for (index, b) in enumerate(data)])
else:
data = protected_read(length)
if opcode == OPCODE_TEXT_MESSAGE: if opcode == OPCODE_TEXT_MESSAGE:
message = data.decode("utf-8") message = data.decode("utf-8")
try: try: