def thread_main(self):
try:
with self.lock:
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.should_close = True
ciel.log("Connecting %s:%s" % (self.otherend_hostname, self.ref.socket_port), "TCP_FETCH", logging.INFO)
subscribe_remote_output_nopost(self.ref.id, self)
self.sock.connect((self.otherend_hostname, self.ref.socket_port))
self.sock.sendall("%s %s %d\n" % (self.ref.id, get_own_netloc(), self.chunk_size))
ciel.log("%s:%s connected: requesting %s (chunk size %d)" % (self.otherend_hostname, self.ref.socket_port, self.ref.id, self.chunk_size), "TCP_FETCH", logging.INFO)
fp = self.sock.makefile("r", bufsize=0)
response = fp.readline().strip()
fp.close()
with self.lock:
self.should_close = False
if response.find("GO") != -1:
ciel.log("TCP-fetch %s: transfer started" % self.ref.id, "TCP_FETCH", logging.INFO)
new_fd = os.dup(self.sock.fileno())
self.sock.close()
self.fetch_ctx.set_fd(new_fd, True)
else:
ciel.log("TCP-fetch %s: request failed: other end said '%s'" % (self.ref.id, response), "TCP_FETCH", logging.WARNING)
unsubscribe_remote_output_nopost(self.ref.id)
self.done = True
self.sock.close()
self.fetch_ctx.result(False)
except Exception as e:
unsubscribe_remote_output_nopost(self.ref.id)
ciel.log("TCP-fetch %s: failed due to exception %s" % (self.ref.id, repr(e)), "TCP_FETCH", logging.ERROR)
with self.lock:
if self.should_close:
self.sock.close()
self.done = True
self.should_close = False
self.fetch_ctx.result(False)
def unsubscribe(self, fetcher):
should_callback = False
with self.lock:
if self.done:
return
else:
if self.should_close:
self.sock.close()
self.done = True
should_callback = True
unsubscribe_remote_output_nopost(self.ref.id)
if should_callback:
self.fetch_ctx.result(False)