<viztask>.waitNetwork

Vizard 7 » Command Index » Vizard modules » viztask » <viztask>.waitNetwork

7.6

<viztask>.waitNetwork

Wait for a network event

<viztask>.waitNetwork(
sender = None
address = None
port = None
)

sender = None

Name of sender, list of names, or None to allow any sender

address = None

IP address of sender, list of addresses, or None to allow any address

port = None

Port number, list of ports, or None to allow any port

Remarks

This command creates a Condition object that will wait for a network event from the specified sender, address , and port.

The yielded command returns a viz.Data object with the following information about the condition:

Properties
events	A list of network events that were received

Return Value

viztask.Condition object

Example

import viz
import vizact
import viztask
viz.go()

def WaitNetworkTask():

    while True:

        # Wait for network event from localhost
        data = yield viztask.waitNetwork(address='127.0.0.1')

        # Process events
        for e in data.events:
            print(e.frame,e.message)

viztask.schedule( WaitNetworkTask() )

network = viz.addNetwork('localhost')

def SendData():
    network.send( message='hello world', frame=viz.getFrameNumber() )
vizact.onkeydown(' ',SendData)