def handleAccept(self, rc, evt):
if self.disconnecting or self.disconnected:
return False
# possible errors:
# (WSAEMFILE, WSAENOBUFS, WSAENFILE, WSAENOMEM, WSAECONNABORTED)
if rc:
log.msg("Could not accept new connection -- %s (%s)" %
(errno.errorcode.get(rc, 'unknown error'), rc))
return False
else:
evt.newskt.setsockopt(socket.SOL_SOCKET, SO_UPDATE_ACCEPT_CONTEXT,
struct.pack('I', self.socket.fileno()))
family, lAddr, rAddr = _iocp.get_accept_addrs(evt.newskt.fileno(),
evt.buff)
assert family == self.addressFamily
protocol = self.factory.buildProtocol(
address._ServerFactoryIPv4Address('TCP', rAddr[0], rAddr[1]))
if protocol is None:
evt.newskt.close()
else:
s = self.sessionno
self.sessionno = s+1
transport = Server(evt.newskt, protocol,
address.IPv4Address('TCP', rAddr[0], rAddr[1]),
address.IPv4Address('TCP', lAddr[0], lAddr[1]),
s, self.reactor)
protocol.makeConnection(transport)
return True
def fileDescriptorsReceived(self, fds, message):
if len(fds) == 1:
fd = fds[0]
# Note that we hardcode IPv4 here!
sock = socket.fromfd(fd, socket.AF_INET, socket.SOCK_STREAM)
# PROBE: received fd; see porter.py
self.debug("[fd %5d] (ts %f) received fd from %d, created socket",
sock.fileno(), time.time(), fd)
# Undocumentedly (other than a comment in
# Python/Modules/socketmodule.c), socket.fromfd() calls dup() on
# the passed FD before it actually wraps it in a socket object.
# So, we need to close the FD that we originally had...
os.close(fd)
try:
peeraddr = sock.getpeername()
except socket.error:
self.info("Socket disconnected before being passed to client")
sock.close()
return
# Based on bits in tcp.Port.doRead()
addr = address._ServerFactoryIPv4Address('TCP',
peeraddr[0], peeraddr[1])
protocol = self.childFactory.buildProtocol(addr)
self._connectionClass(sock, protocol, peeraddr, message)
else:
self.warning("Unexpected: FD-passing message with len(fds) != 1")
log.msg("%s starting on %s" % (self.factory.__class__, self._realPortNumber))
# The order of the next 6 lines is kind of bizarre. If no one
# can explain it, perhaps we should re-arrange them.
self.factory.doStart()
skt.listen(self.backlog)
self.connected = True
self.socket = skt
self.fileno = self.socket.fileno
self.numberAccepts = 100
self.startReading()
def _buildAddr(self, (host, port)):
return address._ServerFactoryIPv4Address('TCP', host, port)
def doRead(self):
"""Called when my socket is ready for reading.
This accepts a connection and calls self.protocol() to handle the
wire-level protocol.
"""
try:
if platformType == "posix":
numAccepts = self.numberAccepts
else:
# win32 event loop breaks if we do more than one accept()
# in an iteration of the event loop.
numAccepts = 1
def buildAddress(self, addr):
return address._ServerFactoryIPv4Address('TCP', addr[0], addr[1],
'INET')
def buildAddress(self, addr):
return address._ServerFactoryIPv4Address('TCP', addr[0], addr[1], 'INET')
