1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
# -*- coding: utf-8 -*-
"""
@author:zhaiht
@file: TCPclient.py
@time: 2020/9/28 17:55
@desc:
"""
import socket
import logging
class TCPClient(object):
"""用于测试socket请求"""
def __init__(self, domain, port, timeout=30, max_receive=102400):
self.domain = domain
self.port = port
self.connected = 0 # 连接后置为1
self.max_receive = max_receive
self._sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self._sock.settimeout(timeout)
def connect(self):
"""连接指定IP、端口"""
if not self.connected:
try:
self._sock.connect((self.domain, self.port))
except socket.error as e:
logging.exception(e)
else:
self.connected = 1
logger.debug('TCPClient connect to {0}:{1} success.'.format(self.domain, self.port))
def send(self, data, dtype='str', suffix=''):
"""向服务器端发送send_string,并返回信息,若报错,则返回None"""
if dtype == 'json':
send_string = json.dumps(data) + suffix
else:
send_string = data + suffix
self.connect()
if self.connected:
try:
self._sock.send(send_string.encode())
logger.debug('TCPClient Send {0}'.format(send_string))
except socket.error as e:
logger.exception(e)
try:
rec = self._sock.recv(self.max_receive).decode()
if suffix:
rec = rec[:-len(suffix)]
logger.debug('TCPClient received {0}'.format(rec))
return rec
except socket.error as e:
logger.exception(e)
def close(self):
"""关闭连接"""
if self.connected:
self._sock.close()
logger.debug('TCPClient closed.')