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client_auto.py
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client_auto.py
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from __future__ import print_function
import logging
import grpc
import random
import time
from concurrent import futures
import rpcService_pb2
import rpcService_pb2_grpc
from multiprocessing import Process
def print_put_msg(response):
if response.success:
print("send PUT data to server success!!!!")
else:
if response.error_msg!=None:
print("send PUT's error_msg: ", response.error_msg)
def print_get_msg(response, request):
if response.success:
print("GET data from server success!!!!")
print("key: ", request['key'], "value: ", response.value)
else:
if response.error_msg!=None:
print("GET's error_msg: ", response.error_msg)
def print_del_msg(response):
if response.success:
print("send DEL data in server success!!!!")
else:
if response.error_msg!=None:
print("send DEL's error_msg: ", response.error_msg)
def print_client_operation(opera_type, data, port):
if opera_type == 'put':
print('PUT: ', data, 'to: ', 'localhost:'+str(port))
elif opera_type == 'get':
print('GET: ', data, 'from: ', 'localhost:'+str(port))
else:
print('DEL: ', data, 'to: ', 'localhost:'+str(port), 'and delete in all server.')
def print_server_response(response, data, opera_type):
if opera_type == 'put':
print_put_msg(response)
if opera_type == 'get':
print_get_msg(response, data)
if opera_type == 'del':
print_del_msg(response)
def PutDel(port, client_port, connect_timeout_inseconds, opera_type):
with grpc.insecure_channel('localhost:'+str(port)) as channel:
stub = rpcService_pb2_grpc.RPCStub(channel)
# produce data for request
if opera_type == 'put':
value = str(time.time())
else:
value = None
data = {'key': 'x', 'value': value, 'type':'client_append_entries', 'clientport':client_port, 'opera_type': opera_type}
# print client operation
print_client_operation(opera_type, data, port)
# send request to server
try:
response = stub.PutDel(rpcService_pb2.putDelRequest(key=data['key'], value=data['value'], \
type=data['type'], clientport=data['clientport'], opera_type=data['opera_type']), connect_timeout_inseconds)
print_server_response(response, data, opera_type)
except:
print("connect server error!")
# print("\n")
def Get(port, client_port, connect_timeout_inseconds, opera_type):
with grpc.insecure_channel('localhost:'+str(port)) as channel:
stub = rpcService_pb2_grpc.RPCStub(channel)
# produce data for request
value = None
data = {'key': 'x', 'value': value, 'type':'client_append_entries', 'clientport':client_port, 'opera_type': opera_type}
# print client operation
print_client_operation(opera_type, data, port)
# send request to server
try:
response = stub.Get(rpcService_pb2.getRequest(key=data['key'], value=data['value'], \
type=data['type'], clientport=data['clientport'], opera_type=data['opera_type']), connect_timeout_inseconds)
print_server_response(response, data, opera_type)
except:
print("connect server error!")
# print("\n")
def send():
servers_ports = [10001,10002,10003,10004]
connect_timeout_inseconds = 0.1
operations = ['put', 'get', 'del']
client_port = str(10005)
while True:
port = random.choice(servers_ports)
oper = random.choice(operations)
if oper !='get':
PutDel(port, client_port, connect_timeout_inseconds, oper)
else:
Get(port, client_port, connect_timeout_inseconds, oper)
def recv():
server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))
rpcService_pb2_grpc.add_RPCServicer_to_server(clientSever(), server)
server.add_insecure_port('[::]:'+str(10005))
server.start()
server.wait_for_termination()
class clientSever(rpcService_pb2_grpc.RPCServicer):
def Apply(self, request, context):
print("client recv: " + str(request.commit_index) + ' has been committed\n')
return rpcService_pb2.applyResponse(success=True)
if __name__ == '__main__':
logging.basicConfig()
p1 = Process(target=send, name='send', daemon=True)
p1.start()
p2 = Process(target=recv, name='recv', daemon=True)
p2.start()
p1.join()
p2.join()