How to use recv_from method in autotest

Best Python code snippet using autotest_python

tcp.py

Source:tcp.py Github

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1# from socket import *2# tcp_socket=socket(AF_INET,SOCK_STREAM)3# addr=('192.168.1.6',8080)4# tcp_socket.connect(addr)5# data=input("请输入你要发送的内容：")6# tcp_socket.send(data.encode('gbk'))7# recv_from=tcp_socket.recv(1024)8# print(recv_from.decode('gbk'))9# tcp_socket.close()10# from socket import *11# #12# # 创建socket13# tcp_client_socket = socket(AF_INET, SOCK_STREAM)14#15# # 目的信息16# server_addr = ('192.168.1.6', 8080)17# # 链接服务器18# tcp_client_socket.connect(server_addr)19#20# # 提示用户输入数据21# send_data = input("请输入要发送的数据：")22#23# tcp_client_socket.send(send_data.encode("gbk"))24#25# # 接收对方发送过来的数据，最大接收1024个字节26# recvData = tcp_client_socket.recv(1024)27# print('接收到的数据为:', recvData.decode('gbk'))28#29# # 关闭套接字30# tcp_client_socket.close()31#32# from socket import *33#34# # 创建socket35# tcp_server_socket = socket(AF_INET, SOCK_STREAM)36# # 本地信息37# address = ('', 7788)38# # 绑定39# tcp_server_socket.bind(address)40# # 使用socket创建的套接字默认的属性是主动的，使用listen将其变为被动的，这样就可以接收别人的链接了41# tcp_server_socket.listen(128)42#43# # 如果有新的客户端来链接服务器，那么就产生一个新的套接字专门为这个客户端服务44# # client_socket用来为这个客户端服务45# # tcp_server_socket就可以省下来专门等待其他新客户端的链接46# client_socket, clientAddr = tcp_server_socket.accept()47# # 接收对方发送过来的数据48# recv_data = client_socket.recv(1024) # 接收1024个字节49# print('接收到的数据为:', recv_data.decode('gbk'))50# # 发送一些数据到客户端51# client_socket.send("thank you !".encode('gbk'))52# # 关闭为这个客户端服务的套接字，只要关闭了，就意味着为不能再为这个客户端服务了，如果还需要服务，只能再次重新连接53# client_socket.close()54# from socket import *55# tcp_socket=socket(AF_INET,SOCK_STREAM)56# addr=('192.168.1.6',8080)57# tcp_socket.connect(addr)58# data=input('请输入你要发送的内容：')59# tcp_socket.send(data.encode('gbk'))60# recv_from=tcp_socket.recv(1024)61# print(recv_from.decode('gbk'))62# tcp_socket.close()63# while True:64# from socket import *65# tcp = socket(AF_INET, SOCK_STREAM)66# addr = ('', 8080)67# tcp.bind(addr)68# tcp.listen(100)69# tcp2, tcp_ip = tcp.accept()70# data = input('请输入你要向服务端发送的信息：')71# tcp2.send(data.encode('gbk'))72# recv_from = tcp2.recv(2014)73# print('服务器为你的消息为：%s' % recv_from.decode('gbk'))74# tcp2.close()75# tcp.close()76# while True:77# from socket import *78# tcp = socket(AF_INET, SOCK_STREAM)79# addr = ('192.168.1.6', 8080)80# tcp.connect(addr)81# data = input('请输入你要发送的内容：')82# tcp.send(data.encode('gbk'))83# recv_from = tcp.recv(1024)84# print('收到的内容为：%s' % recv_from.decode('gbk'))85# tcp.close()86# from socket import *87# tcp_1=socket(AF_INET,SOCK_STREAM)88# addr=('',8080)89# tcp_1.bind(addr)90# tcp_1.listen(100)91# q,w=tcp_1.accept()92# recv=q.recv(1024)93# print(recv.decode('gbk'))94# q.send('thankyou'.encode('gbk'))95# print(w)96# q.close()97# from socket import *`98# tcp_socket=socket(AF_INET,SOCK_STREAM)99# addr=('192.168.1.1',8080)100# tcp_socket.connect(addr)101# data=input('请输入你要发送的内容：')102# tcp_socket.send(data.encode('gbk'))103# recv_from=tcp_socket.recv(1024)104# print(recv_from.decode('gbk'))105# tcp_socket.close()106# a=[1,2,3,4,5]107#108#109# def cha(a,i):110# first=0111# last=len(a)-1112# while first<=last:113# x=(last+first)//2114# if a[x]==i:115# return True116# elif i>a[x]:117# first=x+1118# else:119# last=x-1120# else:121# return False122# def cha(a,i):123# if len(a)==0:124# return False125# else:126# x=len(a)//2127# if a[x]==i:128# return True129# elif i>a[x]:130# return cha(a[x+1:],i)131# else:132# return cha(a[:x],i)133# print(cha(a,5))134# from socket import *135# tcp=socket(AF_INET,SOCK_STREAM)136# addr=('',8080)137# tcp.bind(addr)138# tcp.listen(100)139# kehu,kehu_ip=tcp.accept()140# recv_data=kehu.recv(1024)141# print('收到客户端的信息为：%s'%recv_data.decode('gbk'))142# kehu.send('thankyou'.encode('gbk'))143# recv_data2=kehu.recv(1024)144# print(recv_data2.decode('gbk'))145# print(kehu_ip)146# kehu.close()147# tcp.close()148# from socket import *149# tcp_server_socket=socket(AF_INET,SOCK_STREAM)150# addr=('',7788)151# tcp_server_socket.bind(addr)152# tcp_server_socket.listen(100)153# tcp_client_socket,client_addr=tcp_server_socket.accept()154# data=input("请输入你要想服务端发送的信息：")155# tcp_client_socket.send(data.encode('gbk'))156# # data2=input('请输入你要回复客户端的信息：')157# rec=tcp_client_socket.recv(2014)158# print(rec.decode('gbk'))159# tcp_client_socket.close()160# tcp_server_socket.close()161# from socket import *162# tcp_server_socket=socket(AF_INET,SOCK_STREAM)163# addr=('',8080)164# tcp_server_socket.bind(addr)165# tcp_server_socket.listen(100)166# tcp_client_socket,tcp_client_ip=tcp_server_socket.accept()167# recv_from=tcp_client_socket.recv(1024)168# print(recv_from.decode('gbk'))169# print(tcp_client_ip)170# tcp_client_socket.close()171# tcp_server_socket.close()172# from socket import *173# tcp_socket=socket(AF_INET,SOCK_STREAM)174# addr=('192.168.1.6',8080)175# tcp_socket.connect(addr)176# tcp_socket.send('123'.encode('gbk'))177# rev=tcp_socket.recv(1024)178# print(rev.decode('gbk'))179# tcp_socket.close()180import urllib.request as a181response=a.urlopen('https://www.baidu.com')182headers=response.getheaders()183for x,y in headers:184 print(x,y)185html=response.read()...

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cankao2.py

Source:cankao2.py Github

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1import socket,sys, select, time, heapq23def encode(node_name,node_graph):4 message = node_name + "\n"5 for i in node_graph:6 message += i + " " + str(node_graph[i]) + "\n"7 return message.encode("UTF-8")89def decode(message):10 msg_list = (message.decode("UTF-8")).split("\n")11 graph = {}12 node_name = msg_list[0]13 for lines in msg_list[1:]:14 data = lines.split(" ")15 if len(data) == 2:16 graph[data[0]] = float(data[1])17 return node_name, graph1819'''20the recv_from is a dictionary.21 key is name of the node whose neighbour graph is send as message22 value is the name of the node which send that message.23 { neighbour graph of A : receive from {B, C, D}}24'''25def update_graph():26 global recv_from27 global graph28 inf, outf, errf = select.select([sock, ], [], [], 0)29 global keep_alive30 if inf:31 for sockets in inf:32 message, ADDR = sockets.recvfrom(1024)33 node, recv_graph = decode(message)34 keep_alive[ADDR[1]] = time.time()35 graph[node] = recv_graph36 if node not in recv_from:37 recv_from[node] = [ADDR[1]]38 elif ADDR[1] not in recv_from[node]:39 recv_from[node].append(ADDR[1])404142def broadcast(node):43 for neighbour_node in node_port: #对于所有的相邻节点，44 port = node_port[neighbour_node] # 对此相邻的节点发送4546 if node not in recv_from or port not in recv_from[node]:#如果接受的图对应的节点B不在 recv_from中 对应的节点B 的记录里47 sock.sendto(encode(node, graph[node]), ("localhost", port))48def Dijkstra_Algrm(graph):49 result_set = {}50 set_N = []51 from_to_list = {}5253 self_graph = graph[node_name]54 failure_node = []55 failure_flag = True56 #find the router which is disconnected.57 for node in graph:58 for i in graph[node]:59 if graph[node][i] != float("inf"):60 failure_flag = False61 break62 if failure_flag and node not in failure_node:63 failure_node.append(node)64 failure_flag = True6566 for node in graph:67 if node_name != node and node not in failure_node:68 if node in self_graph:69 from_to_list[node] = node_name70 result_set[node] = graph[node_name][node]71 else:72 result_set[node] = float("inf")7374 sorted_result_set = sorted(result_set.items(), key=lambda d: d[1])7576 while len(set_N) < len(sorted_result_set):77 break_flag = False78 for node in sorted_result_set:79 if node[0] not in set_N:80 set_N.append(node[0])81 node_distance = node[1]82 for new_node in graph[node[0]]:83 if new_node == node_name or new_node in failure_node:84 continue85 if graph[node[0]][new_node] + node_distance < result_set[new_node]:86 from_to_list[new_node] = node[0]87 result_set[new_node] = graph[node[0]][new_node] + node_distance88 break_flag = True89 if break_flag:90 break91 sorted_result_set = sorted(result_set.items(), key=lambda d: d[1])92 return result_set, from_to_list, failure_node9394def find_shortest_path(result_set, from_to_list, failure_node):95 #result set A {'F': 4, 'C': 3, 'D': 1, 'E': 2, 'B': 2}96 #from_to_list {'F': 'E', 'C': 'E', 'D': 'A', 'E': 'D', 'B': 'A'}97 least_cost = {}98 for node in result_set:99 if node in failure_node:100 continue101 least_cost[node] = [node]102 next_node = from_to_list[node]103 while next_node != node_name:104 least_cost[node].append(next_node)105 next_node = from_to_list[next_node]106 least_cost[node].append(next_node)107 least_cost[node].reverse()108 for node in sorted(least_cost.keys()):109 path = ""110 for i in least_cost[node]:111 path += str(i)112 print("least-cost path to node %s: %s and the cost is %.1f"%(node, path, result_set[node]))113 return least_cost114115if __name__ == "__main__":116 argv = sys.argv[1:]117 node_name = argv[0]118 port_number = int(argv[1])119 config_file = open(argv[2])120121 address = ('localhost', port_number)122 sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)123 sock.bind(address)124 graph = {}125 node_port = {}126 keep_alive ={}127128 # data: node_name port_number distance129 for lines in config_file:130 data = lines.split(" ")131 if not node_name in graph:132 graph[node_name] = {}133 if len(data) == 3:134 graph[node_name][data[0]] = float(data[1])135 node_port[data[0]] = int(data[2])136 keep_alive[int(data[2])] = time.time() + 3137 recv_from = {node_name:[port_number]}138 start_time = time.time()139 now_time = time.time() - 1 #make sure it will start immediately at beginning140 delete_list = []141 while 1:142 while(now_time <= start_time + 28):143 if node_name == 'E' and time.time() > start_time + 15:144 exit("terminal router E")145 if node_name == 'B' and time.time() > start_time + 27:146 exit("terminal router B")147 if time.time() >= now_time + 1:148 for node in graph:149 broadcast(node)150 now_time = time.time()151 update_graph()152 #dealing with node failures153 for port in node_port:154 try:155 if now_time - keep_alive[node_port[port]] > 3:156 graph[node_name][port] = float('inf')157 for i in graph[port]:158 graph[port][i] = float('inf')159 del keep_alive[node_port[port]]160 except KeyError:161 pass162 result_set, from_to_list, failure_node = Dijkstra_Algrm(graph)163 least_cost_path = find_shortest_path(result_set, from_to_list, failure_node)164 now_time = time.time() ...

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BluetoothMgmt.py

Source:BluetoothMgmt.py Github

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1import socket2import threading3import time4import multiprocessing56from env import *789class BluetoothMgmt(multiprocessing.Process):10 handle_q = multiprocessing.Manager().Queue()1112 def __init__(self, job_q, header):13 multiprocessing.Process.__init__(self)1415 self.header = header16 self.client = None17 self.job_q = job_q18 self.daemon = True1920 self.start()2122 def recv(self):23 while True:24 try:25 data = self.client.recv(ANDROID_BUFFER_SIZE)26 if not len(data):27 continue28 packet = data.decode('utf-8').rstrip()2930 print("[LOG][AND]", f"Received from Android: {packet}")31 self.job_q.put(f'{self.header}:{packet}\n')3233 except Exception as e:34 print("[ERR][AND]:",35 "Failed to receive data. Bluetooth Disconnected")36 break3738 time.sleep(0.00001)3940 self.close_connection()4142 def send(self, message):43 if(not self.client):44 print("[ERR][AND]:",45 f"Trying to send packet {message} but no clients connected!")46 else:47 try:48 self.client.send(message)49 time.sleep(0.6)5051 # will remove the try except, this one is needed because Nexus app and Bluetooth Terminal send in different format52 except:53 self.client.send((message).encode('utf-8'))54 time.sleep(0.6)5556 print("[LOG][AND]:",57 f'Sending "{message}" to Android successful')5859 def close_connection(self):60 self.client.close()61 self.client = None62 print("[LOG][AND]", "Android Bluetooth Connection closed")6364 def getPacketHeader(self):65 return self.header6667 def handleProcessor(self):68 while True:69 if(self.handle_q.qsize() != 0):70 packet, recv_from = self.handle_q.get()71 packet = packet.rstrip()72 self.send(f'{recv_from}:{packet}')73 self.handle_q.task_done()74 print("[LOG][AND]",75 f'Done Handling Packet from "{recv_from}" ,content: "{packet}"')76 time.sleep(0.000001)7778 def handle(self, packet, recv_from):79 self.handle_q.put((packet, recv_from))8081 def run(self):82 q_thread = threading.Thread(target=self.handleProcessor, args=())83 q_thread.start()8485 server_sock = socket.socket(socket.AF_BLUETOOTH, socket.SOCK_STREAM,86 socket.BTPROTO_RFCOMM)87 server_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)88 server_sock.bind((ANDROID_HOST_MAC, ANDROID_BLUETOOTH_PORT))89 server_sock.listen(ANDROID_BLUETOOTH_BACKLOG)9091 while True:92 print("[LOG][AND]", "Listening for connection")93 self.client, address = server_sock.accept()94 print("[LOG][AND]", "Connection from: "+str(address))9596 receive_thread = threading.Thread(target=self.recv, args=())97 receive_thread.start()98 receive_thread.join()99100 self.close_connection()101 server_sock.close() ...

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