def set_network(ip_list, isPrivate=True): if isPrivate: node.remove_all_node() # 프라이빗 블록체인에서는 등록된 ip만 브로드캐스팅 할 수 있게함 for ip in ip_list: node.add_node(Node(ip)) #print(ip) else: start_public()
def set_my_node(): print("Set my node") my_node = Node(util.get_ip_address('en0')) pri_key, pub_key = key.get_key() if (pri_key == ''): print("Invalid Key Info...") return node.add_node(my_node)
def find_node_thread(): # UDP 소켓 생성 sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP) # 소켓에 브로드캐스트 옵션 설정 sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1) # 포트 번호와 로컬 주소에 바인딩 sock.bind(('', PING_PORT_NUMBER)) # zmq라이브러리를 이용해 UDP 소켓을 폴링 poller = zmq.Poller() poller.register(sock, zmq.POLLIN) # 실행 시 ping 전송 ping_at = time.time() while is_running: # 타이머 설정 timeout = ping_at - time.time() if timeout < 0: timeout = 0 try: events = dict(poller.poll(1000 * timeout)) except KeyboardInterrupt: print("interrupted") break # ping 으로부터 응답이 오는 경우 노드 추가 if sock.fileno() in events: msg, addrinfo = sock.recvfrom(PING_MSG_SIZE) ip = addrinfo[0] print("ping received from " + ip) # 노드 리스트에 추가 # 자기 자신은 제외시켜야 함 (추후) n = node.Node(ip) node.add_node(n) # 일정 주기 마다 브로드캐스트로 ping if time.time() >= ping_at: sock.sendto(b'!', 0, ("255.255.255.255", PING_PORT_NUMBER)) ping_at = time.time() + PING_INTERVAL
def find_node_thread(): sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP) sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1) sock.bind(('', PING_PORT_NUMBER)) t = threading.Thread(target=find_node_thread) poller = zmq.Poller() poller.register(sock, zmq.POLLIN) ping_at = time.time() # is_running while True: timeout = ping_at - time.time() if timeout < 0: timeout = 0 try: events = dict(poller.poll(1000 * timeout)) except KeyboardInterrupt: print("interrupted") break if sock.fileno() in events: msg, addrinfo = sock.recvfrom(PING_MSG_SIZE) ip = addrinfo[0] n = node.Node(ip) if node.add_node(n): # print('Find ' + ip) log.write('Find ' + ip) if time.time() >= ping_at: print('Finding a node...') sock.sendto(b'!', 0, ("255.255.255.255", PING_PORT_NUMBER)) ping_at = time.time() + PING_INTERVAL t.start()
def set_my_node(): my_node = Node(util.get_ip_address('en0')) key.generate_key() log.write("Set my node") node.add_node(my_node)
if ch == '': menu_actions['main_menu']() else: try: menu_actions[ch]() except: print("Invalid selection") menu_actions['main_menu']() menu_actions = { 'main_menu': main_menu, '1': send_tx, '2': show_node_list, '3': show_transaction_list, '4': show_block_list, '0': exit, } import threading from app.communicator import receiver storage.init() node.add_node(node.Node("192.168.40.18")) node.add_node(node.Node("192.168.40.17")) node.add_node(node.Node("192.168.40.6")) # transaction.add_transaction(transaction.create_tx("","","aaa")) listen_thread = threading.Thread(target=receiver.start, args=("LT", "192.168.40.18", 3399)) listen_thread.start() main_menu()
def set_my_node(set_my_node=True): if set_my_node: my_node = Node(my_ip_address.get_ip_address('en0')) node.add_node(my_node) log.write("Set my node")