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doris/samples/doris-demo/remote-udaf-python-demo/function_server_demo.py
2022-08-16 09:26:36 +08:00

226 lines
8.7 KiB
Python

#!/usr/bin/env python
# encoding: utf-8
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
import logging
from concurrent import futures
import grpc
import function_service_pb2
import function_service_pb2_grpc
import types_pb2
import sys
import time;
import json
class FunctionServerDemo(function_service_pb2_grpc.PFunctionServiceServicer):
def fn_call(self, request, context):
response = function_service_pb2.PFunctionCallResponse()
status = types_pb2.PStatus()
status.status_code = 0
response.status.CopyFrom(status)
if request.function_name == "rpc_sum_update":
result = types_pb2.PValues()
result.has_null = False
result_type = types_pb2.PGenericType()
result_type.id = types_pb2.PGenericType.INT64
result.type.CopyFrom(result_type)
total=0
size= len(request.args[0].int64_value)
for i in range(size):
total += request.args[0].int64_value[i]
if request.HasField("context"):
total += request.context.function_context.args_data[0].int64_value[0]
result.int64_value.append(total)
response.result.append(result)
if request.function_name == "rpc_sum_merge":
result = types_pb2.PValues()
result.has_null = False
result_type = types_pb2.PGenericType()
result_type.id = types_pb2.PGenericType.INT64
result.type.CopyFrom(result_type)
args_len = len(request.args)
total = 0
for i in range(args_len):
total += request.args[i].int64_value[0]
result.int64_value.append(total)
response.result.append(result)
if request.function_name == "rpc_sum_finalize":
result = types_pb2.PValues()
result.has_null = False
result_type = types_pb2.PGenericType()
result_type.id = types_pb2.PGenericType.INT64
result.type.CopyFrom(result_type)
total = request.context.function_context.args_data[0].int64_value[0]
result.int64_value.append(total)
response.result.append(result)
if request.function_name == "rpc_avg_update":
result = types_pb2.PValues()
result.has_null = False
result_type = types_pb2.PGenericType()
result_type.id = types_pb2.PGenericType.DOUBLE
result.type.CopyFrom(result_type)
total = 0
size = len(request.args[0].int32_value)
for i in range(size):
total += request.args[0].int32_value[i]
if request.HasField("context"):
total += request.context.function_context.args_data[0].double_value[0]
size += request.context.function_context.args_data[0].int32_value[0]
result.double_value.append(total)
result.int32_value.append(size)
response.result.append(result)
if request.function_name == "rpc_avg_merge":
result = types_pb2.PValues()
result.has_null = False
result_type = types_pb2.PGenericType()
result_type.id = types_pb2.PGenericType.DOUBLE
result.type.CopyFrom(result_type)
total = 0
size = 0
args_len = len(request.args)
for i in range(args_len):
total += request.args[i].double_value[0]
size += request.args[i].int32_value[0]
result.double_value.append(total)
result.int32_value.append(size)
response.result.append(result)
if request.function_name == "rpc_avg_finalize":
result = types_pb2.PValues()
result.has_null = False
result_type = types_pb2.PGenericType()
result_type.id = types_pb2.PGenericType.DOUBLE
result.type.CopyFrom(result_type)
total = request.context.function_context.args_data[0].double_value[0]
size = request.context.function_context.args_data[0].int32_value[0]
avg = total / size
result.double_value.append(avg)
response.result.append(result)
if request.function_name == "rpc_count_visit_info_update":
result = types_pb2.PValues()
result.has_null = False
result_type = types_pb2.PGenericType()
result_type.id = types_pb2.PGenericType.STRING
result.type.CopyFrom(result_type)
size = len(request.args[0].string_value)
currentMap=dict()
if request.HasField("context"):
context = request.context.function_context.args_data[0].string_value[0]
currentMap = json.loads(context)
for i in range(size):
s = request.args[0].string_value[i]
mapInfo = json.loads(s)
ip=mapInfo['ip']
if currentMap.has_key(ip):
last_val=currentMap[ip]
last_val+=1
currentMap[ip] = last_val
else:
currentMap[ip] = 1
json_dict = json.dumps(currentMap)
result.string_value.append(json_dict)
response.result.append(result)
if request.function_name == "rpc_count_visit_info_merge":
result = types_pb2.PValues()
result.has_null = False
result_type = types_pb2.PGenericType()
result_type.id = types_pb2.PGenericType.STRING
result.type.CopyFrom(result_type)
context1 = request.args[0].string_value[0]
currentMap1 = json.loads(context1)
context2 = request.args[1].string_value[0]
currentMap2 = json.loads(context2)
for ip,num in currentMap2.items():
if currentMap1.has_key(ip):
currentMap1[ip] = currentMap1[ip] + num
else:
currentMap1[ip] = num
json_dict = json.dumps(currentMap1)
result.string_value.append(json_dict)
response.result.append(result)
if request.function_name == "rpc_count_visit_info_finalize":
result = types_pb2.PValues()
result.has_null = False
result_type = types_pb2.PGenericType()
result_type.id = types_pb2.PGenericType.STRING
result.type.CopyFrom(result_type)
context = request.context.function_context.args_data[0].string_value[0]
currentMap = json.loads(context)
sortedMap=sorted(currentMap.items(), key = lambda kv:(kv[1], kv[0]),reverse=True)
resultMap=dict()
topN=3
if len(sortedMap) < topN:
topN = len(sortedMap)
finalResult=""
print(sortedMap)
for i in range(topN):
ip=sortedMap[i][0]
finalResult +=ip +":"+str(sortedMap[i][1]) +" "
result.string_value.append(finalResult)
response.result.append(result)
return response
def check_fn(self, request, context):
response = function_service_pb2.PCheckFunctionResponse()
status = types_pb2.PStatus()
status.status_code = 0
response.status.CopyFrom(status)
return response
def hand_shake(self, request, context):
response = types_pb2.PHandShakeResponse()
if request.HasField("hello"):
response.hello = request.hello
status = types_pb2.Pstatus()
status.status_code = 0
response.status.CopyFrom(status)
return response
def serve(port):
server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))
function_service_pb2_grpc.add_PFunctionServiceServicer_to_server(FunctionServerDemo(), server)
server.add_insecure_port("0.0.0.0:%s" % port)
server.start()
while True:
time.sleep(1)
if __name__ == '__main__':
logging.basicConfig()
port = 9000
if len(sys.argv) > 1:
port = sys.argv[1]
serve(port)