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09-19-周五_14-48-32

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Aaron
2025-09-19 14:48:32 +08:00
parent 66148187d0
commit ef0ed27b9e
2 changed files with 25 additions and 47 deletions
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20
03.网络编程与并发/05.多协程.md
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@@ -127,7 +127,7 @@ from greenlet import greenlet
def eat(name):
print('%s eat 1' %name)
g2.switch('aaron')
g2.switch('张三')
print('%s eat 2' %name)
g2.switch()
def play(name):
@@ -138,7 +138,7 @@ def play(name):
g1=greenlet(eat)
g2=greenlet(play)
g1.switch('aaron') # 可以在第一次switch时传入参数，以后都不需要
g1.switch('张三') # 可以在第一次switch时传入参数，以后都不需要
```
单纯的切换（在没有io的情况下或者没有重复开辟内存空间的操作），反而会降低程序的执行速度
@@ -224,8 +224,8 @@ def play(name):
print('%s play 2' %name)
g1=gevent.spawn(eat,'aaron')
g2=gevent.spawn(play,name='aaron')
g1=gevent.spawn(eat,'张三')
g2=gevent.spawn(play,name='张三')
g1.join()
g2.join()
#或者gevent.joinall([g1,g2])
@@ -259,7 +259,7 @@ gevent.joinall([g1,g2])
print('主')
```
用threading.current_thread().getName()来查看每个g1和g2，查看的结果为DummyThread-n，即假线程
用threading.current_thread().name来查看每个g1和g2，查看的结果为DummyThread-n，即假线程
```python
from gevent import monkey;monkey.patch_all()
@@ -267,13 +267,13 @@ import threading
import gevent
import time
def eat():
print(threading.current_thread().getName())
print(threading.current_thread().name)
print('eat food 1')
time.sleep(2)
print('eat food 2')
def play():
print(threading.current_thread().getName())
print(threading.current_thread().name)
print('play 1')
time.sleep(1)
print('play 2')
@@ -372,6 +372,8 @@ def talk(conn,addr):
try:
while True:
res=conn.recv(1024)
if len(res) == 0:
continue
print('client %s:%s msg: %s' %(addr[0],addr[1],res))
conn.send(res.upper())
except Exception as e:
@@ -389,7 +391,7 @@ if __name__ == '__main__':
from socket import *
client=socket(AF_INET,SOCK_STREAM)
client.connect(('127.0.0.1',8080))
client.connect(('127.0.0.1',8088))
while True:
@@ -414,7 +416,7 @@ def client(server_ip,port):
count=0
while True:
c.send(('%s say hello %s' %(threading.current_thread().getName(),count)).encode('utf-8'))
c.send(('%s say hello %s' %(threading.current_thread().name,count)).encode('utf-8'))
msg=c.recv(1024)
print(msg.decode('utf-8'))
count+=1