def startReading(self):
if self.state != "connected":
return
if self._read_op_pending:
# there is a read op pending. handle_connected_readDone will re-call
# startReading if necessary.
return
self.reading = True
if time.clock() - self.started_reading > 5:
# too long since the last read. start small again
from twisted.internet import reactor
self.bufferSize = self.initialBufferSize
self.readbuf = reactor.AllocateReadBuffer(self.bufferSize)
self.started_reading = time.clock()
while self.producerBuffer:
item = self.producerBuffer.pop(0)
self.protocol.dataReceived(item)
if not self.reading:
return
try:
self.read_op.initiateOp(self.socket.fileno(), self.readbuf)
except WindowsError, we:
#log.msg("initiating read failed with args %s" % (we,))
self.reactor.callLater(0, self.connectionLost,
failure.Failure(main.CONNECTION_DONE))
def __init__(self, bindAddress, proto, maxPacketSize=8192):
assert isinstance(proto, protocol.DatagramProtocol)
self.state = "disconnected"
from twisted.internet import reactor
self.bindAddress = bindAddress
self._connectedAddr = None
self.protocol = proto
self.maxPacketSize = maxPacketSize
self.logstr = reflect.qual(self.protocol.__class__) + " (UDP)"
self.read_op = self.read_op_class(self)
self.readbuf = reactor.AllocateReadBuffer(maxPacketSize)
self.reactor = reactor
def __init__(self, socket, protocol, sockfactory):
self.state = "connected"
from twisted.internet import reactor
self.socket = socket
self.protocol = protocol
self.sf = sockfactory
self.writebuf = []
self.readbuf = reactor.AllocateReadBuffer(self.bufferSize)
self.reactor = reactor
self.bufferEvents = {"buffer full": Set(), "buffer empty": Set()}
self.offset = 0
self.writeBufferedSize = 0
self.producerBuffer = []
self.read_op = ReadFileOp(self)
self.write_op = WriteFileOp(
self
) # XXX: these two should be specified like before, with a class field
def _resizeBuffer(self):
newBufferSize = min(self.maxBufferSize, self.bufferSize * 2)
if newBufferSize != self.bufferSize:
from twisted.internet import reactor
self.bufferSize = newBufferSize
self.readbuf = reactor.AllocateReadBuffer(self.bufferSize)