js 與 python 之間的websocekt互動
阿新 • • 發佈:2018-11-21
# -*- coding:utf8 -*- import threading import hashlib import socket import base64 class websocket_thread(threading.Thread): def __init__(self, connection): super(websocket_thread, self).__init__() self.connection = connection def run(self): print 'new websocket client joined!' reply = 'i got u, from websocket server.' length = len(reply) while True: data = self.connection.recv(1024) print parse_data(data) self.connection.send('%c%c%s' % (0x81, length, reply)) def parse_data(msg): v = ord(msg[1]) & 0x7f if v == 0x7e: p = 4 elif v == 0x7f: p = 10 else: p = 2 mask = msg[p:p + 4] data = msg[p + 4:] return ''.join([chr(ord(v) ^ ord(mask[k % 4])) for k, v in enumerate(data)]) def parse_headers(msg): headers = {} header, data = msg.split('\r\n\r\n', 1) for line in header.split('\r\n')[1:]: key, value = line.split(': ', 1) headers[key] = value headers['data'] = data return headers def generate_token(msg): key = msg + '258EAFA5-E914-47DA-95CA-C5AB0DC85B11' ser_key = hashlib.sha1(key).digest() return base64.b64encode(ser_key) if __name__ == '__main__': #socket(family,type[,protocal]) 使用給定的地址族、套接字型別、協議編號(預設為0)來建立套接字。 ''' socket.AF_UNIX 只能夠用於單一的Unix系統程序間通訊 socket.AF_INET 伺服器之間網路通訊 socket.AF_INET6 IPv6 socket.SOCK_STREAM 流式socket , for TCP socket.SOCK_DGRAM 資料報式socket , for UDP 建立TCP Socket:s=socket.socket(socket.AF_INET,socket.SOCK_STREAM) 建立UDP Socket:s=socket.socket(socket.AF_INET,socket.SOCK_DGRAM) ''' sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) #s.setsockopt(level,optname,value) 設定給定套接字選項的值。 #開啟或關閉地址複用功能。當option_value不等於0時,開啟,否則,關閉。它實際所做的工作是置sock->sk->sk_reuse為1或0。 sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) sock.bind(('127.0.0.1', 9000)) sock.listen(5) #首先,我們建立了一個套接字,然後讓套接字開始監聽介面,並且最多隻能監聽5個請求 while True: connection, address = sock.accept()
#接受監聽到的連線請求, print address try: data = connection.recv(1024) headers = parse_headers(data) token = generate_token(headers['Sec-WebSocket-Key']) connection.send('\ HTTP/1.1 101 WebSocket Protocol Hybi-10\r\n\ Upgrade: WebSocket\r\n\ Connection: Upgrade\r\n\ Sec-WebSocket-Accept: %s\r\n\r\n' % (token)) thread = websocket_thread(connection) thread.start() except socket.timeout: print 'websocket connection timeout'
<!-- @http://www.cnblogs.com/zhuweisky/p/3930780.html --> <!DOCTYPE html> </html> <head> <meta charset="utf-8"> </head> <body> <h3>WebSocketTest</h3> <div id="login"> <div> <input id="serverIP" type="text" placeholder="伺服器IP" value="127.0.0.1" autofocus="autofocus" /> <input id="serverPort" type="text" placeholder="伺服器埠" value="9000" /> <input id="btnConnect" type="button" value="連線" onclick="connect()" /> </div> <div> <input id="sendText" type="text" placeholder="傳送文字" value="I'm WebSocket Client!" /> <input id="btnSend" type="button" value="傳送" onclick="send()" /> </div> <div> <div> 來自服務端的訊息 </div> <textarea id="txtContent" cols="50" rows="10" readonly="readonly"></textarea> </div> </div> </body> <script> var socket; function connect() { var host = "ws://" + $("serverIP").value + ":" + $("serverPort").value + "/" socket = new WebSocket(host); try { socket.onopen = function (msg) { $("btnConnect").disabled = true; alert("連線成功!"); }; socket.onmessage = function (msg) { if (typeof msg.data == "string") { displayContent(msg.data); } else { alert("非文字訊息"); } }; socket.onclose = function (msg) { alert("socket closed!") }; } catch (ex) { log(ex); } } function send() { var msg = $("sendText").value socket.send(msg); } window.onbeforeunload = function () { try { socket.close(); socket = null; } catch (ex) { } }; function $(id) { return document.getElementById(id); } Date.prototype.Format = function (fmt) { //author: meizz var o = { "M+": this.getMonth() + 1, //月份 "d+": this.getDate(), //日 "h+": this.getHours(), //小時 "m+": this.getMinutes(), //分 "s+": this.getSeconds(), //秒 "q+": Math.floor((this.getMonth() + 3) / 3), //季度 "S": this.getMilliseconds() //毫秒 }; if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length)); for (var k in o) if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length))); return fmt; } function displayContent(msg) { $("txtContent").value += "\r\n" +new Date().Format("yyyy/MM/dd hh:mm:ss")+ ": " + msg; } function onkey(event) { if (event.keyCode == 13) { send(); } } </script> </html> 原創地址:https://blog.csdn.net/prayallforyou/article/details/53737295