Notes

from socket import *
import time
import threading
import os


find = {}
ips = []
def readyconn():
s = socket()
s.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
host = "localhost"
port = 8888
s.bind((host,port))
s.listen(2)
ad = raw_input("ad: ")
c, ip = s.accept()
c.send(ad)
c.close()
receive()
def receive():
s = socket()
s.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
host = "localhost"
port = 8888
s.bind((host,port))
s.listen(2)
c, ip = s.accept()
filename = c.recv(1024)
size = c.recv(1024)
print "Receive file please wait"
file = c.recv(int(size))
print "File received"
print "Creating and writing file"
with open(filename,"w") as nfile:
nfile.write(file)
print "Transfer Completed"
c.close()



def send():
if len(find)>0:
print "Found Targetsn"
for i, name in enumerate(find):
print i,name
no = input("nSelect target: ")
target = ips[no]
print "SELECTED TARGET:",find.keys()[find.values().index(target)]
print "nFile Listn"
file_list = os.listdir(os.getcwd())
for i, fname in enumerate(file_list):
print i, fname
fno = input("nSelect File: ")
file_name = file_list[fno]
print "SELECTED FILE:", file_name
file_size = os.stat(file_list[fno]).st_size
print file_size
print file_name
s = socket()
s.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
s.connect((target,8888))
s.send(file_name)
s.send(str(file_size))
with open(file_name,"r") as file_data:
file_data.read()
print "Sending File"
s.send(file_data)
print "Transfer Completed"
s.close()

else:
print "Not Found"


def is_up(addr):
s = socket()
s.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
s.settimeout(0.09)
try:
s.connect((addr,8888))
name = s.recv(30)
find[name] = addr
ips.append(addr)
s.close()
time.sleep(0.1)
return name
except:
s.close()
time.sleep(0.1)
return False


def scanner(start,end):
ip = gethostbyname(gethostname())
lip = ip.split(".")
lip.remove(lip[3])
nip = ".".join(lip)
for i in range(start,end):
a = is_up(nip+"."+str(i))
if a == False:
pass
else:
print nip+"."+str(i)+" is up - Device Name: "+a
if i == 255:
print "Scan Completed"
send()

def run():
t1 = threading.Thread(target=scanner, args = (1,50))
t2 = threading.Thread(target=scanner, args = (50,100))
t3 = threading.Thread(target=scanner, args = (100,150))
t4 = threading.Thread(target=scanner, args = (150,200))
t5 = threading.Thread(target=scanner, args = (200,256))
t1.start()
t2.start()
t3.start()
t4.start()
t5.start()


print "1-send, 2-receive"
a = raw_input("Choose: ")
if a == "1":
run()
elif a == "2":
readyconn()