2022-03-15 13:03:06 +08:00
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# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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2022-06-05 10:58:58 +08:00
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#
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2022-03-15 13:03:06 +08:00
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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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2022-06-05 10:58:58 +08:00
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#
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2022-03-15 13:03:06 +08:00
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# http://www.apache.org/licenses/LICENSE-2.0
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2022-06-05 10:58:58 +08:00
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#
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2022-03-15 13:03:06 +08:00
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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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2022-08-19 17:12:40 +08:00
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import os
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import random
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2022-03-15 13:03:06 +08:00
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import socket
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import struct
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from contextlib import closing
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2022-11-29 18:50:04 +08:00
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from .device import Device
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2022-03-15 13:03:06 +08:00
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2022-11-08 11:29:41 +08:00
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class Node:
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2022-03-15 13:03:06 +08:00
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def __init__(self):
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# self.device = Device.detect_device()
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self.device = Device.parse_device()
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self.ip = self.get_host_ip()
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self.free_ports = []
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2022-03-28 10:59:36 +08:00
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self._allocated_ports = []
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2022-03-15 13:03:06 +08:00
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2022-08-19 17:12:40 +08:00
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port_range = os.getenv('PORT_RANGE', '35100:64000')
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port_range = port_range.split(':')
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self._port_start = int(port_range[0])
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self._port_end = int(port_range[1])
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self._port_cur = random.randint(self._port_start, self._port_end)
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2022-03-15 13:03:06 +08:00
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def get_host_ip(self):
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try:
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self.hostname = socket.gethostname()
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self.ip = socket.gethostbyname(socket.getfqdn(self.hostname))
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return self.ip
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except:
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return '127.0.0.1'
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2024-02-20 16:50:05 +08:00
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def get_free_ports(self, n=1, rank=0):
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if os.environ.get('FLAGS_FIXED_PORT') is None:
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free_ports = [self.get_free_port() for i in range(n)]
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self.free_ports += free_ports
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else:
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start_port = int(os.environ.get('FLAGS_FIXED_PORT'))
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free_ports = list(
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range(start_port + rank, start_port + rank + n, 1)
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)
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self.free_ports += free_ports
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return free_ports
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def get_ports_occupied(self):
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return self.free_ports
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2022-08-19 17:12:40 +08:00
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def _get_free_port(self, port=0):
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with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s:
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2022-10-23 20:01:27 +08:00
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s.setsockopt(
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socket.SOL_SOCKET, socket.SO_LINGER, struct.pack('ii', 1, 0)
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)
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2022-08-19 17:12:40 +08:00
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try:
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s.bind(('', port))
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return s.getsockname()[1]
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except:
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return -1
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def _update_port_cur(self):
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self._port_cur += 1
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if self._port_cur > self._port_end:
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self._port_cur = self._port_start
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2022-03-15 13:03:06 +08:00
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def get_free_port(self):
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for _ in range(100):
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ret = self._get_free_port(self._port_cur)
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if ret > 0:
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self._update_port_cur()
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return ret
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else:
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self._update_port_cur()
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return self._port_cur
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2022-03-15 13:03:06 +08:00
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@classmethod
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def is_server_ready(self, ip, port):
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with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as sock:
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2022-10-23 20:01:27 +08:00
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# sock.settimeout(0.01)
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# sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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if hasattr(socket, 'SO_REUSEPORT'):
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
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result = sock.connect_ex((ip, int(port)))
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if result == 0:
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return True
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else:
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return False
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