mirror of
https://github.com/python/cpython.git
synced 2025-11-02 22:51:25 +00:00
98 lines
2.4 KiB
Python
98 lines
2.4 KiB
Python
import socket
|
|
|
|
|
|
class TransportSocket:
|
|
|
|
"""A socket-like wrapper for exposing real transport sockets.
|
|
|
|
These objects can be safely returned by APIs like
|
|
`transport.get_extra_info('socket')`. All potentially disruptive
|
|
operations (like "socket.close()") are banned.
|
|
"""
|
|
|
|
__slots__ = ('_sock',)
|
|
|
|
def __init__(self, sock: socket.socket):
|
|
self._sock = sock
|
|
|
|
@property
|
|
def family(self):
|
|
return self._sock.family
|
|
|
|
@property
|
|
def type(self):
|
|
return self._sock.type
|
|
|
|
@property
|
|
def proto(self):
|
|
return self._sock.proto
|
|
|
|
def __repr__(self):
|
|
s = (
|
|
f"<asyncio.TransportSocket fd={self.fileno()}, "
|
|
f"family={self.family!s}, type={self.type!s}, "
|
|
f"proto={self.proto}"
|
|
)
|
|
|
|
if self.fileno() != -1:
|
|
try:
|
|
laddr = self.getsockname()
|
|
if laddr:
|
|
s = f"{s}, laddr={laddr}"
|
|
except socket.error:
|
|
pass
|
|
try:
|
|
raddr = self.getpeername()
|
|
if raddr:
|
|
s = f"{s}, raddr={raddr}"
|
|
except socket.error:
|
|
pass
|
|
|
|
return f"{s}>"
|
|
|
|
def __getstate__(self):
|
|
raise TypeError("Cannot serialize asyncio.TransportSocket object")
|
|
|
|
def fileno(self):
|
|
return self._sock.fileno()
|
|
|
|
def dup(self):
|
|
return self._sock.dup()
|
|
|
|
def get_inheritable(self):
|
|
return self._sock.get_inheritable()
|
|
|
|
def shutdown(self, how):
|
|
# asyncio doesn't currently provide a high-level transport API
|
|
# to shutdown the connection.
|
|
self._sock.shutdown(how)
|
|
|
|
def getsockopt(self, *args, **kwargs):
|
|
return self._sock.getsockopt(*args, **kwargs)
|
|
|
|
def setsockopt(self, *args, **kwargs):
|
|
self._sock.setsockopt(*args, **kwargs)
|
|
|
|
def getpeername(self):
|
|
return self._sock.getpeername()
|
|
|
|
def getsockname(self):
|
|
return self._sock.getsockname()
|
|
|
|
def getsockbyname(self):
|
|
return self._sock.getsockbyname()
|
|
|
|
def settimeout(self, value):
|
|
if value == 0:
|
|
return
|
|
raise ValueError(
|
|
'settimeout(): only 0 timeout is allowed on transport sockets')
|
|
|
|
def gettimeout(self):
|
|
return 0
|
|
|
|
def setblocking(self, flag):
|
|
if not flag:
|
|
return
|
|
raise ValueError(
|
|
'setblocking(): transport sockets cannot be blocking')
|