order updates during websocket disconnection

pawan12

hi if we use python client and use auto reconnect feature than is there a possibility of order updates getting missed during the reconnection process or once the reconnection is established we can expect those order updates.

rakeshr

is there a possibility of order updates getting missed during the reconnection process

Yes, it is possible, if WebSocket is down during the order_update message, then it will be missed.

once the reconnection is established we can expect those order updates

No, as it's a stream, you won't be able to fetch any previous messages.
For such cases, you might have to fetch a complete order book and know the status of the required order.

pawan12

so rather than always fetching orderbook set a flag during disconnect and once reconnected make sure all orders are there and than again rely on websocket.

pawan12

@rakeshr can you post a thread/snippt of python websocket code where auto reconnect is used ?

pawan12

import logging
from kiteconnect import KiteTicker

logging.basicConfig(level=logging.DEBUG)

# Initialise
kws = KiteTicker("your_api_key", "your_access_token")

def on_ticks(ws, ticks):
# Callback to receive ticks.
logging.debug("Ticks: {}".format(ticks))

def on_connect(ws, response):
# Callback on successful connect.
# Subscribe to a list of instrument_tokens (RELIANCE and ACC here).
ws.subscribe([738561, 5633])

# Set RELIANCE to tick in `full` mode.
ws.set_mode(ws.MODE_FULL, [738561])



# Assign the callbacks.
kws.on_ticks = on_ticks
kws.on_connect = on_connect


# Infinite loop on the main thread. Nothing after this will run.
# You have to use the pre-defined callbacks to manage subscriptions.
kws.connect()

pawan12

@rakeshr in above code by default reconnection is enabled as per documentation does this mean if websocket gets reconnected on_connect() will be called again and hence we would be able to resubscribe tokens ?