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68 lines
2.6 KiB
68 lines
2.6 KiB
# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import socket
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from ....log_helper import get_logger
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__all__ = ['SearchAgent']
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_logger = get_logger(
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__name__, logging.INFO, fmt='%(asctime)s-%(levelname)s: %(message)s')
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class SearchAgent(object):
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"""
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Search agent.
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"""
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def __init__(self, server_ip=None, server_port=None, key=None):
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"""
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Args:
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server_ip(str): The ip that controller server listens on. None means getting the ip automatically. Default: None.
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server_port(int): The port that controller server listens on. 0 means getting usable port automatically. Default: 0.
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key(str): The key used to identify legal agent for controller server. Default: "light-nas"
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"""
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self.server_ip = server_ip
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self.server_port = server_port
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self.socket_client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self._key = key
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def update(self, tokens, reward):
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"""
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Update the controller according to latest tokens and reward.
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Args:
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tokens(list<int>): The tokens generated in last step.
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reward(float): The reward of tokens.
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"""
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socket_client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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socket_client.connect((self.server_ip, self.server_port))
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tokens = ",".join([str(token) for token in tokens])
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socket_client.send("{}\t{}\t{}".format(self._key, tokens, reward)
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.encode())
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tokens = socket_client.recv(1024).decode()
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tokens = [int(token) for token in tokens.strip("\n").split(",")]
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return tokens
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def next_tokens(self):
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"""
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Get next tokens.
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"""
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socket_client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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socket_client.connect((self.server_ip, self.server_port))
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socket_client.send("next_tokens".encode())
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tokens = socket_client.recv(1024).decode()
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tokens = [int(token) for token in tokens.strip("\n").split(",")]
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return tokens
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