indentation
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Generic Username
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226
main.py
226
main.py
@ -6,139 +6,141 @@ class Meshenger:
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devices = [] #the list of all the nodes this this node has seen
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serve_port = 13338
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announce_port = 13337
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own_ip = "0.0.0.0"
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#own_ip = "0.0.0.0"
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msg_dir = os.path.relpath('msg/')
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def __init__(self):
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def __init__(self):
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os.system("echo 1 >> /proc/sys/net/ipv6/conf/br-lan/disable_ipv6")
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#self.own_ip = self.get_ip_adress()
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self.own_ip = "192.168.2.196"
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os.system("echo 1 >> /proc/sys/net/ipv6/conf/br-lan/disable_ipv6")
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self.own_ip = self.get_ip_adress()
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#self.own_ip = "192.168.2.196"
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while True:
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while True:
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print 'discovering devices'
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time.sleep(1)
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self.discover()
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print 'discovering devices'
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time.sleep(1)
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self.discover()
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if len(self.devices) > 0:
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print 'found', len(self.devices),'device(s) retreiving indices'
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for device in self.devices:
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nodepath = ip_to_hash(device)
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if len(self.devices) > 0:
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print 'found', len(self.devices),'device(s) retreiving indices'
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for device in self.devices:
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nodepath = ip_to_hash(device)
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self.get_index(device, nodepath)
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self.get_index(device, nodepath)
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self.get_messages(device, nodepath)
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print 'updating own index'
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self.build_index()
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#voeg toe aan eigen index --> build_index()
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time.sleep(5)
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def announce(self):
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#announces it's existance to other nodes
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sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
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sock.sendto(bericht, ("ff02::1", self.announce_port))
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sock.close()
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def index(self):
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a = ''
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# builds the latest index of all the messages that are on this node
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def discover(self):
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# discovers other nodes by listening to the Meshenger announce port
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#own_ip = get_ip_adress()
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#port = 13337 # where do you expect to get a msg?
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bufferSize = 1024 # whatever you need
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s = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
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s.bind(('::', self.announce_port))
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s.setblocking(0)
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#global devices
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while True:
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result = select.select([s],[],[])[0][0].recvfrom(bufferSize)
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if result not in self.devices and result[1][0] != self.own_ip:
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self.devices.append(result[1][0])
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return
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time.sleep(1)
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def serve(self):
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a = ''
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# serves both the index and the messages on the node over http
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# plus manages the client-side web interface
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def build_index(self):
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previous_index = []
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current_index = os.listdir('msg/')
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if current_index != previous_index:
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with open('index', 'wb') as index:
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for message in os.listdir('msg/'):
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index.write(message)
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index.write('\n')
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current_index = previous_index
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def get_index(self,ip, path):
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os.system('wget http://['+ip+'%adhoc0]:13338/index -O '+os.path.join(path,'index'))
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# downloads the index from other nodes and then proceeds to downloads messages it doesn't have already
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def get_messages(self, ip, path):
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with open(os.path.join(path,'index')) as index:
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index = index.read().split('\n')
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for message in index:
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messagepath = os.path.join(os.path.abspath('msg/'), message)
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if not os.path.exists(messagepath):
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print 'downloading', message, 'to', messagepath
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os.system('wget http://['+ip+'%adhoc0]:13338/msg/'+message+' -O '+messagepath)
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self.get_messages(device, nodepath)
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print 'updating own index'
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self.build_index()
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time.sleep(5)
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# s = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
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def announce(self):
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# s.connect(('http://[fe80::6666:b3ff:feeb:68c2%adhoc0]/lijst', 13338))
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#announces it's existance to other nodes
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sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
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sock.sendto(bericht, ("ff02::1", self.announce_port))
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sock.close()
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# s.send("GET / HTTP/1.0\r\n\r\n")
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def index(self):
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# while 1:
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# buf = s.recv(1000)
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# if not buf:
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# break
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# sys.stdout.write(buf)
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a = ''
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# builds the latest index of all the messages that are on this node
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# s.close()
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def discover(self):
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def ip_to_hash(self, ip):
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import hashlib
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hasj = hashlib.md5(ip).hexdigest()
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nodepath = os.path.join(os.path.abspath('nodes/'), hasj)
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if not os.path.exists(nodepath):
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os.mkdir(nodepath)
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# discovers other nodes by listening to the Meshenger announce port
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bufferSize = 1024 # whatever you need
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return nodepath
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s = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
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s.bind(('::', self.announce_port))
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s.setblocking(0)
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#global devices
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while True:
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result = select.select([s],[],[])[0][0].recvfrom(bufferSize)
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if result not in self.devices and result[1][0] != self.own_ip:
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self.devices.append(result[1][0])
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return
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time.sleep(1)
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def serve(self):
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a = ''
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# serves both the index and the messages on the node over http
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# plus manages the client-side web interface
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def build_index(self):
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previous_index = []
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current_index = os.listdir(msg_dir)
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if current_index != previous_index:
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with open('index', 'wb') as index:
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for message in os.listdir(msg_dir):
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index.write(message)
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index.write('\n')
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with open('index_last_update', 'wb') as indexupdate:
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indexupdate.write(str(int(time.time())))
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current_index = previous_index
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def get_index(self,ip, path):
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os.system('wget http://['+ip+'%adhoc0]:13338/index -O '+os.path.join(path,'index'))
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# downloads the index from other nodes and then proceeds to downloads messages it doesn't have already
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def get_messages(self, ip, path):
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with open(os.path.join(path,'index')) as index:
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index = index.read().split('\n')
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for message in index:
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messagepath = os.path.join(os.path.abspath(msg_dir), message)
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if not os.path.exists(messagepath):
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print 'downloading', message, 'to', messagepath
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os.system('wget http://['+ip+'%adhoc0]:13338/msg/'+message+' -O '+messagepath)
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def clientsite(self):
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a = ''
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# s = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
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#tools
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# s.connect(('http://[fe80::6666:b3ff:feeb:68c2%adhoc0]/lijst', 13338))
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def get_ip_adress(self):
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if not os.path.isfile('interfaceip6adress'):
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os.system('ifconfig -a adhoc0 | grep inet6 > interfaceip6adress')
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# s.send("GET / HTTP/1.0\r\n\r\n")
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with open('interfaceip6adress', 'r') as a:
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return a.read().split()[2].split('/')[0]
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# while 1:
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# buf = s.recv(1000)
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# if not buf:
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# break
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# sys.stdout.write(buf)
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# s.close()
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def ip_to_hash(self, ip):
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import hashlib
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hasj = hashlib.md5(ip).hexdigest()
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nodepath = os.path.join(os.path.abspath('nodes/'), hasj)
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if not os.path.exists(nodepath):
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os.mkdir(nodepath)
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return nodepath
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def clientsite(self):
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a = ''
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#tools
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def get_ip_adress(self):
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if not os.path.isfile('interfaceip6adress'):
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os.system('ifconfig -a adhoc0 | grep inet6 > interfaceip6adress')
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with open('interfaceip6adress', 'r') as a:
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return a.read().split()[2].split('/')[0]
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if __name__ == "__main__":
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print "test"
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meshenger = Meshenger()
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if __name__ == "__main__":
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print "test"
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meshenger = Meshenger()
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