# 服務(wù)端
import socket
# 1. 符合TCP協(xié)議的手機(jī)
server = socket.socket(socket.AF_INET,socket.SOCK_STREAM) # TCP
# 2. 綁定手機(jī)號(hào) 一個(gè)服務(wù)器,我們自己的電腦作為服務(wù)器的話,用自己的IP地址
server.bind(('127.0.0.1',8000)) # 127.0.0.1 代表本地
# server.bind(('192.168.11.251',8000)) 
server.listen(5) # 半連接池 可以同時(shí)接收5個(gè)客戶端
# 3. 等待客戶端連接
print('start...')
# 鏈接循環(huán)
while True:
# 通信循環(huán)
conn,client_addr = server.accept()
while True:
try:
# 4. 收到信息 receive
data = conn.recv(1024) # 每次接收多少字節(jié),如果改為10,客戶端輸入dir,(可以在cmd中輸入 dir,看看會(huì)得到什么) ,會(huì)出現(xiàn)什么情況呢,下次的博客會(huì)講到粘包問題,以及如何處理粘包問題
print(data)
# 5. 回消息
conn.send(data.upper())
except ConnectionAbortedError:
continue
except ConnectionResetError:
break

# 客戶端1
import socket
# 1. 創(chuàng)建符合TCP協(xié)議的手機(jī)
client = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
# 2. 撥號(hào)
client.connect(('127.0.0.1',8000))
while True:
msg = input('please enter your msg') # dir
# 3. 發(fā)送消息
client.send(msg.encode('utf8'))
# 4. 接收消息
data = client.recv(1024)
print(data)

# 客戶端2
import socket
# 1. 創(chuàng)建符合TCP協(xié)議的手機(jī)
client = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
# 2. 撥號(hào)
client.connect(('127.0.0.1',8000))
# msg = input('please enter your msg>>>')
# 3. 發(fā)送消息
client.send('hello'.encode('utf8'))
client.send('world'.encode('utf8'))
# 4. 接收信息
data = client.recv(1024)
print(data)

# ssh服務(wù)端
import socket
import subprocess
server = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
server.bind(('192.168.11.251',8000)) # 這是我的機(jī)子,客戶端可以是其他人的機(jī)子
server.listen(5)
print('start...')
while True:
conn,cient_addr = server.accept()
print(client_addr) # 打印出的是其他人機(jī)子的IP
while True:
try:
cmd = conn.recv(1024) # dir
print(cmd)
# 幫你執(zhí)行cmd命令,然后把執(zhí)行結(jié)果保存到管道里
pipeline = subprocess.Popen(cmd.decode('utf8'),
shell = True,
stderr = subprocess.PIPE, # std 標(biāo)準(zhǔn)
stdout = subprocess.PIPE)
stderr = pipeline.stderr.read()
stdout = pipeline.stdout.read()
conn.send(stderr)
conn.send(stdout)
except ConnectionResetError:
break

# ssh客戶端
import socket
# 1.創(chuàng)建符合TCP協(xié)議的手機(jī)
client = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
# 2. 撥號(hào)
client.connect(('192.168.11.210',8000))
while True:
msg = input('please enter your msg') # dir
# 3. 發(fā)送消息
client.send(msg.encode('utf8'))
# 4. 接收消息
data = client.recv(10)
print(data.decode('gbk')) # 在mac電腦上可能是'utf8'