def run(self, file, request, threadpool, chunk_size=constants.DEFAULT_CHUNK_SIZE, send_ahead=constants.SEND_AHEAD):
self.watch(request)
seek_ptr = 0
chunks_sent = 0
other_received = 0
with open(file, 'rb') as f:
while True:
chunk = read_file_async(threadpool, f, limit=chunk_size)
more_coming = len(chunk) > 0
request << ('chunk', chunk, more_coming, chunks_sent)
seek_ptr += len(chunk)
chunks_sent += 1
if not more_coming:
break
try:
timeout = (0 if seek_ptr - other_received < send_ahead else None)
msg = self.get(OR(('terminated', request), ('received', ANY)), timeout=timeout)
except Empty:
continue
if msg == ('received', ANY):
_, other_received = msg
else:
break
while True:
msg = self.get(OR(('received', ANY), ('terminated', request)), timeout=10.0)
if msg[0] == 'terminated':
break
def run(self, service, pub_id, file, send_to):
self.watch(send_to)
seek_ptr = 0
while True:
try:
msg = yield with_timeout(OPEN_FILE_TIMEOUT, self.get())
except Timeout:
err("Sending of file at %r timed out" % (file,))
break
if ('next-chunk', ANY) == msg:
service << ('touch-file', pub_id)
_, chunk_size = msg
chunk = yield read_file_async(file, start=seek_ptr, end=seek_ptr + chunk_size)
seek_ptr += len(chunk)
more_coming = len(chunk) == chunk_size
send_to << ('chunk', chunk, more_coming)
if not more_coming:
break
elif ('terminated', send_to) == msg:
break
else:
self.unhandled(msg)
def run(self,
file,
request,
threadpool,
chunk_size=constants.DEFAULT_CHUNK_SIZE,
send_ahead=constants.SEND_AHEAD):
self.watch(request)
seek_ptr = 0
chunks_sent = 0
other_received = 0
with open(file, 'rb') as f:
while True:
chunk = read_file_async(threadpool, f, limit=chunk_size)
more_coming = len(chunk) > 0
request << ('chunk', chunk, more_coming, chunks_sent)
seek_ptr += len(chunk)
chunks_sent += 1
if not more_coming:
break
try:
timeout = (0 if seek_ptr - other_received < send_ahead else
None)
msg = self.get(OR(('terminated', request),
('received', ANY)),
timeout=timeout)
except Empty:
continue
if msg == ('received', ANY):
_, other_received = msg
else:
break
while True:
msg = self.get(OR(('received', ANY), ('terminated', request)),
timeout=10.0)
if msg[0] == 'terminated':
break
