clean: remove old files
This commit is contained in:
59
client.py
59
client.py
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"""
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Clone Client Model One
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Author: Min RK <benjaminrk@gmail.com>
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"""
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import random
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import time
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import msgpack
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import zmq
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from libs import kvsimple
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def main():
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# Prepare our context and publisher socket
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ctx = zmq.Context()
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# Update socket binding
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updates = ctx.socket(zmq.SUB)
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updates.linger = 0
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updates.connect("tcp://localhost:5555")
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updates.setsockopt_string(zmq.SUBSCRIBE, '')
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state_request = ctx.socket(zmq.DEALER)
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state_request.setsockopt(zmq.IDENTITY, b"PEER2")
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state_request.linger = 0
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state_request.connect("tcp://localhost:5556")
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# poller for socket aggregation
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poller = zmq.Poller()
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poller.register(updates, zmq.POLLIN)
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while True:
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try:
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socks = dict(poller.poll(10))
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except KeyboardInterrupt:
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break
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if updates in socks:
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message = updates.recv_multipart(zmq.NOBLOCK)
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print(message)
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# Send update
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new_state= b"test"
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state_request.send(new_state)
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print("Sending {}".format(new_state))
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time.sleep(1)
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if __name__ == '__main__':
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main()
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"""
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kvsimple - simple key-value message class for example applications
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Author: Min RK <benjaminrk@gmail.com>
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"""
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import struct # for packing integers
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import sys
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import zmq
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class KVMsg(object):
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"""
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Message is formatted on wire as 3 frames:
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frame 0: key (0MQ string)
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frame 1: sequence (8 bytes, network order)
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frame 2: body (blob)
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"""
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key = None # key (string)
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sequence = 0 # int
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body = None # blob
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def __init__(self, sequence, key=None, body=None):
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assert isinstance(sequence, int)
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self.sequence = sequence
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self.key = key
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self.body = body
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def store(self, dikt):
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"""Store me in a dict if I have anything to store"""
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# this seems weird to check, but it's what the C example does
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if self.key is not None and self.body is not None:
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dikt[self.key] = self
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def send(self, socket):
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"""Send key-value message to socket; any empty frames are sent as such."""
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key = b'' if self.key is None else self.key.encode()
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seq_s = struct.pack('!l', self.sequence)
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body = b'' if self.body is None else self.body.encode()
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socket.send_multipart([ key, seq_s, body ])
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@classmethod
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def recv(cls, socket):
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"""Reads key-value message from socket, returns new kvmsg instance."""
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key, seq_s, body = socket.recv_multipart(zmq.NOBLOCK)
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key = key.decode() if key else None
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seq = struct.unpack('!l',seq_s)[0]
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body = body.decode() if body else None
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return cls(seq, key=key, body=body)
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def dump(self):
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if self.body is None:
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size = 0
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data='NULL'
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else:
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size = len(self.body)
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data=repr(self.body)
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print >> sys.stderr, "[seq:{seq}][key:{key}][size:{size}] {data}".format(
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seq=self.sequence,
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key=self.key,
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size=size,
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data=data,
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)
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import time
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import zmq
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import asyncio
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print('asyncio test')
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context = zmq.Context()
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async def server(ctx):
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print("Launching server...")
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socket = ctx.socket(zmq.REP)
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socket.bind("tcp://*:5555")
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while True:
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#print('start loop')
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await asyncio.sleep(0.016)
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try:
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# this is currenlty necessary to ensure no dropped monitor messages
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# see LIBZMQ-248 for more info
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message = socket.recv_multipart()
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print("Received request: {}".format(message))
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socket.send(b"Hello from server")
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except zmq.ZMQError:
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pass
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async def client(ctx):
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print("Launching client...")
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socket = ctx.socket(zmq.REQ)
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socket.connect("tcp://localhost:5555")
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await asyncio.sleep(1)
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# Do 10 requests, waiting each time for a response
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for request in range(10):
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print("Sending request %s ..." % request)
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socket.send(b"Hello from cli")
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await asyncio.sleep(.016)
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# Get the reply.
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try:
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message = socket.recv_multipart(zmq.NOBLOCK)
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print("Received reply %s [ %s ]" % (request, message))
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except zmq.ZMQError:
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pass
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print("setup server")
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asyncio.create_task(server(context))
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time.sleep(1)
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print("setup client")
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asyncio.create_task(client(context))
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42
server.py
42
server.py
@ -1,42 +0,0 @@
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"""
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Clone server Model One
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"""
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import time
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import zmq
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def main():
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# Prepare our context and publisher socket
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ctx = zmq.Context()
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# Update all clients
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publisher = ctx.socket(zmq.PUB)
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publisher.bind("tcp://*:5555")
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time.sleep(0.2)
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# Update receiver
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state_request = ctx.socket(zmq.ROUTER)
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state_request.bind("tcp://*:5556")
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# poller for socket aggregation
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poller = zmq.Poller()
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poller.register(state_request, zmq.POLLIN)
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while True:
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try:
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socks = dict(poller.poll(1))
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except KeyboardInterrupt:
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break
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if state_request in socks:
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msg = state_request.recv_multipart(zmq.NOBLOCK)
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print("{}:{}".format(msg[0].decode('ascii'),msg[1].decode()))
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publisher.send(b'Server update')
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# publisher.send_string('test')
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# print('msg')
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# time.sleep(1)
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if __name__ == '__main__':
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main()
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