| import concurrent.futures |
| import requests, json |
| from optparse import OptionParser |
| |
| def run(url, request): |
| data = json.dumps(request) |
| r = requests.post(url, data) |
| return r |
| |
| def runTasks(flowPerDevice, neighbours, url, servers, doJson): |
| # We can use a with statement to ensure threads are cleaned up promptly |
| with concurrent.futures.ThreadPoolExecutor(max_workers=2) as executor: |
| # Start the load operations and mark each future with its URL |
| request = { "flowsPerDevice" : flowPerDevice, "neighbours" : neighbours } |
| future_to_url = {executor.submit(run, url % (server), request) for server in servers} |
| for f in concurrent.futures.as_completed(future_to_url): |
| try: |
| response = f.result() |
| server = response.url.split('//')[1].split(':')[0] |
| if (doJson): |
| print (json.dumps({ "server" : server, "elapsed" : response.json()['elapsed'] })) |
| else: |
| print ("%s -> %sms" % (server, response.json()['elapsed'])) |
| except Exception as exc: |
| print("Execution failed -> %s" % exc) |
| |
| if __name__ == "__main__": |
| parser = OptionParser() |
| parser.add_option("-u", "--url", dest="url", help="set the url for the request", |
| default="http://%s:8181/onos/demo/intents/flowTest") |
| parser.add_option("-f", "--flows", dest="flows", help="Number of flows to install per device", |
| default=100, type="int") |
| parser.add_option("-n", "--neighbours", dest="neighs", help="Number of neighbours to communicate to", |
| default=0, type="int") |
| parser.add_option("-s", "--servers", dest="servers", help="List of servers to hit", |
| default=[], action="append") |
| parser.add_option("-j", "--json", dest="doJson", help="Print results in json", |
| default=False, action="store_true") |
| |
| (options, args) = parser.parse_args() |
| if (len(options.servers) == 0): |
| options.servers.append("localhost") |
| runTasks(options.flows, options.neighs, options.url, options.servers, options.doJson) |