# could not resolve
print 'Hostname could not be resolved. Exiting' sys.exit()
print 'Ip address of ' + host + ' is ' + remote_ip #Connect to remote server
s.connect((remote_ip , port))
print 'Socket Connected to ' + host + ' on ip ' + remote_ip #Send some data to remote server for f in open(\ #f.close()
try : #Set the whole string s.sendall(message) except socket.error:
#Send failed
print 'Send failed' sys.exit() print f, message = f
print 'Message send successfully' #New receive data
reply = s.recv(4096) print reply s.close()
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Socketser.py代码如下：
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ #!/usr/bin/env python import socket import sys
from thread import *
HOST = '' # Symbolic name meaning all available interfaces PORT = 8888 # Arbitrary non-privileged port
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) print 'Socket created'
#Bind socket to local host and port try:
s.bind((HOST, PORT)) except socket.error , msg:
print 'Bind failed. Error Code : ' + str(msg[0]) + ' Message ' + msg[1] sys.exit()
print 'Socket bind complete' #Start listening on socket s.listen(10)
print 'Socket now listening'
#Function for handling connections. This will be used to create threads def clientthread(conn): #Sending message to connected client conn.send('Welcome to the server. Type something and hit enter\\n') #send only takes string
#infinite loop so that function do not terminate and thread do not end. while True:
#Receiving from client data = conn.recv(1024) reply = 'OK...' + data f=open('receive.txt', 'a') print >> f,data f.close()
if not data: break
conn.sendall(reply)
#came out of loop conn.close()
#now keep talking with the client
while 1: #wait to accept a connection - blocking call
conn, addr = s.accept() print 'Connected with ' + addr[0] + ':' + str(addr[1]) #start new thread takes 1st argument as a function name to be run, second is the tuple of arguments to the function.
start_new_thread(clientthread ,(conn,)) s.close()
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
把客户端读取文件的方式改为：
# python socketcli.py “aaa:bbb:ccc:ddd” 代码如下：
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ #!/usr/bin/python
import socket # for sockets import sys # for exit try:
#create an AF_INET, STREAM socket (TCP)
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) except socket.error, msg:
print 'Failed to create socket. Error code: ' + str(msg[0]) + ' , Error message : ' + msg[1] sys.exit();
print 'Socket Created' host = '10.1.22.11' port = 8888
try:
remote_ip = socket.gethostbyname( host ) except socket.gaierror: # could not resolve print 'Hostname could not be resolved. Exiting' sys.exit()
print 'Ip address of ' + host + ' is ' + remote_ip #Connect to remote server s.connect((remote_ip , port))
print 'Socket Connected to ' + host + ' on ip ' + remote_ip #Send some data to remote server def readfile(filename):
'''Print a file to the standard output.''' f = file(filename) while True:
line = f.readline() if len(line) == 0: break print line, f.close()
print \message = sys.argv[1] try : #Set the whole string s.sendall(message) except socket.error:
#Send failed print 'Send failed' sys.exit()
print 'Message send successfully' ##New receive data reply = s.recv(4096) print reply
s.close()
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
