手动编写redis代理软件脚本 实现类似tweproxy 和codes的功能
已经实现内容如下:
起1个代理ip和端口 redisl客户端连接代理 然后脚本通过一致性hash分发key到后端的redis
脚本如下
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import SocketServer,sys
from threading import Thread
import socket
from hash_ring import HashRing
redis_servers = [ '127.0.0.1:6480' ,
'127.0.0.1:6481' ,
'127.0.0.1:6482' ]
ring = HashRing(redis_servers)
class service(SocketServer.BaseRequestHandler):
def handle( self ):
data = 'dummy'
print "Client connected with " , self .client_address
while len (data):
data = self .request.recv( 1024 )
if data:
key = (data.split( "\n" ))[ 4 ]
server = ring.get_node(key)
s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.connect(((server.split( ":" ))[ 0 ], int ((server.split( ":" ))[ 1 ])))
s.sendall(data)
r_data = s.recv( 1024 )
print server
self .request.send(r_data)
print "Client exited"
self .request.close()
class ThreadedTCPServer(SocketServer.ThreadingMixIn, SocketServer.TCPServer):
pass
try :
t = ThreadedTCPServer(('', 6379 ), service)
t.serve_forever()
except KeyboardInterrupt:
sys.exit( 1 )
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