def handle(self):
logger.info("=== socket opened for client ===")
channel = _channel_id_new()
sock = self.request
chinfo = dict(sock=sock)
NvimHandler.channel_sockets[channel] = chinfo
try:
f = SocketToStream(sock)
unpacker = msgpack.Unpacker(f)
for unpacked in unpacker:
logger.info("unpacked: %s", unpacked)
# response format:
# - msg[0]: 1
# - msg[1]: the request id
# - msg[2]: error(if any), format: [code,str]
# - msg[3]: result(if not errored)
if int(unpacked[0]) == 1:
unpacked = neovim_rpc_protocol.from_client(unpacked)
reqid = int(unpacked[1])
rspid, vimsock = chinfo[reqid]
err = unpacked[2]
result = unpacked[3]
# VIM fails to parse response when there a sleep in neovim
# client. I cannot figure out why. Use global responses to
# workaround this issue.
responses[rspid] = [err, result]
content = [reqid, '']
tosend = json.dumps(content)
# vimsock.send
vimsock.send(tosend.encode('utf-8'))
chinfo.pop(reqid)
continue
request_queue.put((f,channel,unpacked))
# notify vim in order to process request in main thread, and
# avoiding the stupid json protocol
VimHandler.notify()
logger.info('channel %s closed.', channel)
except:
logger.exception('unpacker failed.')
finally:
try:
NvimHandler.channel_sockets.pop(channel)
sock.close()
except:
pass
def handle(self):
logger.info("=== socket opened for client ===")
channel = _channel_id_new()
sock = self.request
chinfo = dict(sock=sock)
NvimHandler.channel_sockets[channel] = chinfo
try:
f = SocketToStream(sock)
unpacker = msgpack.Unpacker(f)
for unpacked in unpacker:
logger.info("unpacked: %s", unpacked)
# response format:
# - msg[0]: 1
# - msg[1]: the request id
# - msg[2]: error(if any), format: [code,str]
# - msg[3]: result(if not errored)
if int(unpacked[0]) == 1:
unpacked = neovim_rpc_protocol.from_client(unpacked)
reqid = int(unpacked[1])
rspid, vimsock = chinfo[reqid]
err = unpacked[2]
result = unpacked[3]
# VIM fails to parse response when there a sleep in neovim
# client. I cannot figure out why. Use global responses to
# workaround this issue.
responses[rspid] = [err, result]
content = [reqid, '']
tosend = json.dumps(content)
# vimsock.send
vimsock.send(tosend.encode('utf-8'))
chinfo.pop(reqid)
continue
request_queue.put((f, channel, unpacked))
# notify vim in order to process request in main thread, and
# avoiding the stupid json protocol
VimHandler.notify()
logger.info('channel %s closed.', channel)
except Exception:
logger.exception('unpacker failed.')
finally:
try:
NvimHandler.channel_sockets.pop(channel)
sock.close()
except Exception:
pass
def process_pending_requests():
logger.info("process_pending_requests")
while True:
item = None
try:
item = request_queue.get(False)
f, channel, msg = item
msg = neovim_rpc_protocol.from_client(msg)
logger.info("get msg from channel [%s]: %s", channel, msg)
# request format:
# - msg[0] type, which is 0
# - msg[1] request id
# - msg[2] method
# - msg[3] arguments
# notification format:
# - msg[0] type, which is 2
# - msg[1] method
# - msg[2] arguments
if msg[0] == 0:
#request
req_typed, req_id, method, args = msg
try:
err = None
result = _process_request(channel, method, args)
except Exception as ex:
logger.exception("process failed: %s", ex)
# error uccor
err = [1, str(ex)]
result = None
result = [1, req_id, err, result]
logger.info("sending result: %s", result)
packed = msgpack.packb(neovim_rpc_protocol.to_client(result))
f.write(packed)
logger.info("sent")
if msg[0] == 2:
# notification
req_typed, method, args = msg
try:
result = _process_request(channel, method, args)
logger.info('notification process result: [%s]', result)
except Exception as ex:
logger.exception("process failed: %s", ex)
except QueueEmpty as em:
pass
except Exception as ex:
logger.exception("exception during process: %s", ex)
finally:
if item:
request_queue.task_done()
else:
# item==None means the queue is empty
break
def process_pending_requests():
logger.info("process_pending_requests")
while True:
item = None
try:
item = request_queue.get(False)
f, channel, msg = item
msg = neovim_rpc_protocol.from_client(msg)
logger.info("get msg from channel [%s]: %s", channel, msg)
# request format:
# - msg[0] type, which is 0
# - msg[1] request id
# - msg[2] method
# - msg[3] arguments
# notification format:
# - msg[0] type, which is 2
# - msg[1] method
# - msg[2] arguments
if msg[0] == 0:
# request
req_typed, req_id, method, args = msg
try:
err = None
result = _process_request(channel, method, args)
except Exception as ex:
logger.exception("process failed: %s", ex)
# error uccor
err = [1, str(ex)]
result = None
result = [1, req_id, err, result]
logger.info("sending result: %s", result)
packed = msgpack.packb(neovim_rpc_protocol.to_client(result))
f.write(packed)
logger.info("sent")
if msg[0] == 2:
# notification
req_typed, method, args = msg
try:
result = _process_request(channel, method, args)
logger.info('notification process result: [%s]', result)
except Exception as ex:
logger.exception("process failed: %s", ex)
except QueueEmpty:
pass
except Exception as ex:
logger.exception("exception during process: %s", ex)
finally:
if item:
request_queue.task_done()
else:
# item==None means the queue is empty
break