Python編寫的客戶端給服務器發送指令執行相應的命令并返回結果

閑來無事，用python寫個客戶端與服務器端應答的程序，主要原理就是客戶端通過tcp協議與服務器端通信，客戶端給服務器端發送指令，服務器執行指令后把相應的結果返回給客戶端，客戶端打印結果，代碼比較簡單，不詳細介紹。純屬娛樂。

1.服務器端代碼，server_tcp.py

#!/usr/bin/env python
# -*- coding:utf-8 -*-

# #執行客戶端發送過來的命令，并把執行結果返回給客戶端
import socket, traceback, subprocess

host = ''
port = 51888

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

s.bind((host, port))
s.listen(1)

while 1:
    try:
        client_socket, client_addr = s.accept()
    except Exception, e:
        traceback.print_exc()
        continue

    try:
        print 'From host:', client_socket.getpeername()
        while 1:
            command = client_socket.recv(4096)
            if not len(command):
                break
            print client_socket.getpeername()[0] + ':' + str(command)

            # 執行客戶端傳遞過來的命令
            handler = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE)
            output = handler.stdout.readlines()
            if output is None:
                output = []

            for one_line in output:
                client_socket.sendall(one_line)
                client_socket.sendall("\n")

            client_socket.sendall("ok")


    except Exception, e:
        traceback.print_exc()

    try:
        client_socket.close()
    except Exception, e:
        traceback.print_exc()

#!/usr/bin/env python
# -*- coding:utf-8 -*-

# #給server端發送命令
import socket, sys, traceback

host = '127.0.0.1'
port = 51888

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
    s.connect((host, port))
except Exception, e:
    msg = traceback.format_exc()
    print '連接錯誤:', msg

input_command = raw_input('Input command:')
s.send(input_command)

# 利用shutdown()函數使socket雙向數據傳輸變為單向數據傳輸
# 該參數表示了如何關閉socket。具體為：0表示禁止將來讀；1表示禁止將來寫；2表示禁止將來讀和寫
s.shutdown(1)
print '發送完成.'
print '收到內容：\n'
while 1:
    buff = s.recv(4096)
    if not len(buff):
        break

    sys.stdout.write(buff)

(1)客戶端內容：

/usr/bin/python2.7 /home/wuguowei/PycharmProjects/xplan_script/test_process/client_tcp.py
Input command:ls -l
發送完成.
收到內容：

總用量 20

-rw-r--r-- 1 root root  744  2月 10 14:44 client_tcp.py

-rw-r--r-- 1 root root  877  2月 10 14:18 my_sub_process.py

-rw-r--r-- 1 root root 1290  2月 10 14:45 server_tcp.py

-rw-r--r-- 1 root root  493  2月 10 10:43 tcpclient.py

-rw-r--r-- 1 root root 1168  2月 10 11:51 tcpserver.py

ok
Process finished with exit code 0

（2）服務器端信息

/usr/bin/python2.7 /home/wuguowei/PycharmProjects/xplan_script/test_process/server_tcp.py
From host: ('127.0.0.1', 46993)
127.0.0.1:ls -l