def run(self, data):
if self.closed:
raise userError(u"run/1: Couldn't write to closed file")
with ruv.scopedBufs([data]) as bufs:
ruv.fsWrite(self._vat.uv_loop, self._fs, self._fd, bufs, 1, -1,
writeFileCB)
def run(self, data):
if self.closed:
raise userError(u"run/1: Couldn't send to closed stream")
# XXX backpressure?
uv_write = ruv.alloc_write()
with ruv.scopedBufs([data]) as bufs:
ruv.write(uv_write, self._stream._stream, bufs, 1, writeStreamCB)
def run(self, data):
if self.closed:
raise userError(u"run/1: Couldn't write to closged file")
sb = ruv.scopedBufs([data], self)
bufs = sb.allocate()
fs = ruv.alloc_fs()
ruv.stashFS(fs, (self._vat, sb))
ruv.fsWrite(self._vat.uv_loop, fs, self._fd, bufs, 1, -1, writeFileCB)
def run(self, data):
if self.closed:
raise userError(u"run/1: Couldn't send to closed stream")
# XXX backpressure?
uv_write = ruv.alloc_write()
sb = ruv.scopedBufs([data], self)
bufs = sb.allocate()
ruv.stashWrite(uv_write, (self._vat, sb))
ruv.write(uv_write, self._stream._stream, bufs, 1, writeStreamCB)
def recv(self, atom, args):
if atom is FLOWINGFROM_1:
return self
if atom is RECEIVE_1:
if self._closed:
raise userError(u"Can't send data to a closed stream!")
if args[0] is NullObject:
# Pump-style notification that we're supposed to close.
self.flush()
self.cleanup()
return NullObject
# XXX we are punting completely on any notion of backpressure for
# now. How to fix:
# * Figure out how to get libuv to signal that a write is likely
# to complete
data = unwrapBytes(args[0])
uv_write = ruv.alloc_write()
with ruv.scopedBufs([data]) as bufs:
ruv.write(uv_write, self.stream, bufs, 1, writeCB)
return NullObject
if atom is FLOWABORTED_1:
self.cleanup()
return NullObject
if atom is FLOWSTOPPED_1:
# XXX flush() is currently a no-op, but that's not right for the
# case where there's pending data.
self.flush()
self.cleanup()
return NullObject
if atom is FLUSH_0:
self.flush()
return NullObject
raise Refused(self, atom, args)
def queueWrite(self):
with ruv.scopedBufs([self.data]) as bufs:
ruv.fsWrite(self.vat.uv_loop, self.fs, self.fd, bufs,
1, -1, writeSetContentsCB)
def queueWrite(self):
with ruv.scopedBufs(self.bufs) as bufs:
ruv.fsWrite(self.vat.uv_loop, self.fs, self.fd, bufs,
len(self.bufs), -1, writeCB)
def queueWrite(self):
with ruv.scopedBufs([self.data]) as bufs:
ruv.fsWrite(self.vat.uv_loop, self.fs, self.fd, bufs, 1, self.pos,
writeSetContentsCB)
def queueWrite(self):
with ruv.scopedBufs(self.bufs) as bufs:
ruv.fsWrite(self.vat.uv_loop, self.fs, self.fd, bufs,
len(self.bufs), self.pos, writeCB)