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#
# The MIT License (MIT)
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import sys
from optparse import OptionParser

from autobahn.twisted.websocket import (
    WebSocketClientFactory,
    WebSocketClientProtocol,
    connectWS,
)
from twisted.internet import reactor, ssl
from twisted.python import log


class EchoClientProtocol(WebSocketClientProtocol):
    def sendHello(self):
        self.sendMessage("Hello, world!".encode("utf8"))

    def onOpen(self):
        self.sendHello()

    def onMessage(self, payload, isBinary):
        if not isBinary:
            print("Text message received: {}".format(payload.decode("utf8")))
        reactor.callLater(1, self.sendHello)


if __name__ == "__main__":
    log.startLogging(sys.stdout)

    parser = OptionParser()
    parser.add_option(
        "-",
        "--url",
        dest="url",
        help="The WebSocket URL",
        default="wss://127.0.0.1:9000",
    )
    (options, args) = parser.parse_args()

    # create a WS server factory with our protocol
    ##
    factory = WebSocketClientFactory(options.url)
    factory.protocol = EchoClientProtocol

    # SSL client context: default
    ##
    if factory.isSecure:
        contextFactory = ssl.ClientContextFactory()
    else:
        contextFactory = None

    connectWS(factory, contextFactory)
    reactor.run()
