chat demo
添加时间:2013-7-2 点击量:
做一个tornado+websocket chat
里面做了长连接的代码,临时没有实现,下一篇补上
1 import logging
2 import os.path
3 import uuid
4 import tornado.httpserver
5 import tornado.ioloop
6 import tornado.options
7 import tornado.web
8 import tornado.websocket
9 import time
10
11
12 def send_message_ws(message):
13 for handler in ChatSocketHandler.socket_handlers:
14 try:
15 handler.write_message(message)
16 except:
17 logging.error(Error sending message, exc_info=True)
18
19
20 def send_message_lp(message):
21 for handler in ChatSocketHandler.socket_handlers:
22 try:
23 handler.write_message(message)
24 except:
25 logging.error(Error sending message, exc_info=True)
26
27 for callback in ChatPollHandler.callbacks:
28 try:
29 callback(message)
30 except:
31 logging.error(Error in callback, exc_info=True)
32 ChatPollHandler.callbacks = set()
33
34
35 class ChatPollHandler(tornado.web.RequestHandler):
36 callbacks = set()
37 users = set()
38
39 @tornado.web.asynchronous
40 def get(self):
41 ChatPollHandler.callbacks.add(self.on_new_message)
42 self.user = user = self.get_cookie(user)
43 if not user:
44 self.user = user = str(uuid.uuid4())
45 self.set_cookie(user, user)
46 if user not in ChatPollHandler.users:
47 ChatPollHandler.users.add(user)
48 send_message_lp(A new user has entered the long pollchat room.)
49
50 def on_new_message(self, message):
51 if self.request.connection.stream.closed():
52 return
53 self.write(message)
54 self.finish()
55
56 def on_connection_close(self):
57 ChatPollHandler.callbacks.remove(self.on_new_message)
58 ChatPollHandler.users.discard(self.user)
59 send_message_lp(A user has left the long poll chat room.)
60
61 def post(self):
62 send_message_lp(self.get_argument(text))
63
64
65 class MainHandler(tornado.web.RequestHandler):
66 def get(self):
67 self.render(index.html)
68
69
70 class ChatSocketHandler(tornado.websocket.WebSocketHandler):
71 socket_handlers = set()
72
73 def open(self):
74 ChatSocketHandler.socket_handlers.add(self)
75
76 def on_close(self):
77 ChatSocketHandler.socket_handlers.remove(self)
78 send_message_ws(A user has left the socket chat room.)
79
80 def on_message(self, message):
81 send_message_ws(message)
82
83
84 def send_test():
85 i = 0
86 while True:
87 send_message_ws(str(i))
88 i = i + 1
89 time.sleep(1)
90
91
92 def main():
93 #thread.start_new_thread(send_test, ())
94 settings = {
95 template_path: os.path.join(os.path.dirname(__file__), templates),
96 static_path: os.path.join(os.path.dirname(__file__), static)
97 }
98 application = tornado.web.Application(
99 [(/, MainHandler), (/poll, ChatPollHandler), (/socket, ChatSocketHandler)], settings)
100 http_server = tornado.httpserver.HTTPServer(application)
101 http_server.listen(8080)
102 tornado.ioloop.IOLoop.instance().start()
103
104 if __name__ == __main__:
105 main()
html项目组
<!DOCTYPE html>
<html>
<head>
<title>chat demo</title>
</head>
<script src=></script>
<script src=></script>
<script>
function test(ts) {
¥(#name_form).hide()
¥(#msg_form).show()
websocket(¥(#name).val())
return false
}
</script>
<body>
<p id=name_form>name:<input id=name></input> <input type=button onclick=test() value=进入></p>
<form style=display:none id=msg_form action=/socket method=post>
<textarea id=text></textarea>
<input type=submit value=讲话/>
</form>
<div id=msg></div>
</body>
</html>
js项目组
function websocket(name) {
var ¥msg = ¥(#msg);
var ¥text = ¥(#text);
var WebSocket = window.WebSocket || window.MozWebSocket;
var socket = new WebSocket(ws://192.168.10.148:8080/socket);
// 打开Socket
socket.onopen = function(event) {
// 发送一个初始化消息
socket.send(I am + name + I come here!);
// 消息
socket.onmessage = function(event) {
¥msg.append(
+ event.data +
);
};
¥(#msg_form).submit(function() {
socket.send(name + say: + ¥text.val());
¥text.val().();
return false;
});
// Socket的封闭
socket.onclose = function(event) {
¥msg.append(server is close);
socket.close()
};
};
}
容易发怒的意思就是: 别人做了蠢事, 然后我们代替他们, 表现出笨蛋的样子。—— 蔡康永
做一个tornado+websocket chat
里面做了长连接的代码,临时没有实现,下一篇补上
1 import logging
2 import os.path
3 import uuid
4 import tornado.httpserver
5 import tornado.ioloop
6 import tornado.options
7 import tornado.web
8 import tornado.websocket
9 import time
10
11
12 def send_message_ws(message):
13 for handler in ChatSocketHandler.socket_handlers:
14 try:
15 handler.write_message(message)
16 except:
17 logging.error(Error sending message, exc_info=True)
18
19
20 def send_message_lp(message):
21 for handler in ChatSocketHandler.socket_handlers:
22 try:
23 handler.write_message(message)
24 except:
25 logging.error(Error sending message, exc_info=True)
26
27 for callback in ChatPollHandler.callbacks:
28 try:
29 callback(message)
30 except:
31 logging.error(Error in callback, exc_info=True)
32 ChatPollHandler.callbacks = set()
33
34
35 class ChatPollHandler(tornado.web.RequestHandler):
36 callbacks = set()
37 users = set()
38
39 @tornado.web.asynchronous
40 def get(self):
41 ChatPollHandler.callbacks.add(self.on_new_message)
42 self.user = user = self.get_cookie(user)
43 if not user:
44 self.user = user = str(uuid.uuid4())
45 self.set_cookie(user, user)
46 if user not in ChatPollHandler.users:
47 ChatPollHandler.users.add(user)
48 send_message_lp(A new user has entered the long pollchat room.)
49
50 def on_new_message(self, message):
51 if self.request.connection.stream.closed():
52 return
53 self.write(message)
54 self.finish()
55
56 def on_connection_close(self):
57 ChatPollHandler.callbacks.remove(self.on_new_message)
58 ChatPollHandler.users.discard(self.user)
59 send_message_lp(A user has left the long poll chat room.)
60
61 def post(self):
62 send_message_lp(self.get_argument(text))
63
64
65 class MainHandler(tornado.web.RequestHandler):
66 def get(self):
67 self.render(index.html)
68
69
70 class ChatSocketHandler(tornado.websocket.WebSocketHandler):
71 socket_handlers = set()
72
73 def open(self):
74 ChatSocketHandler.socket_handlers.add(self)
75
76 def on_close(self):
77 ChatSocketHandler.socket_handlers.remove(self)
78 send_message_ws(A user has left the socket chat room.)
79
80 def on_message(self, message):
81 send_message_ws(message)
82
83
84 def send_test():
85 i = 0
86 while True:
87 send_message_ws(str(i))
88 i = i + 1
89 time.sleep(1)
90
91
92 def main():
93 #thread.start_new_thread(send_test, ())
94 settings = {
95 template_path: os.path.join(os.path.dirname(__file__), templates),
96 static_path: os.path.join(os.path.dirname(__file__), static)
97 }
98 application = tornado.web.Application(
99 [(/, MainHandler), (/poll, ChatPollHandler), (/socket, ChatSocketHandler)], settings)
100 http_server = tornado.httpserver.HTTPServer(application)
101 http_server.listen(8080)
102 tornado.ioloop.IOLoop.instance().start()
103
104 if __name__ == __main__:
105 main()
html项目组
<!DOCTYPE html>
<html>
<head>
<title>chat demo</title>
</head>
<script src=></script>
<script src=></script>
<script>
function test(ts) {
¥(#name_form).hide()
¥(#msg_form).show()
websocket(¥(#name).val())
return false
}
</script>
<body>
<p id=name_form>name:<input id=name></input> <input type=button onclick=test() value=进入></p>
<form style=display:none id=msg_form action=/socket method=post>
<textarea id=text></textarea>
<input type=submit value=讲话/>
</form>
<div id=msg></div>
</body>
</html>
js项目组
function websocket(name) {
var ¥msg = ¥(#msg);
var ¥text = ¥(#text);
var WebSocket = window.WebSocket || window.MozWebSocket;
var socket = new WebSocket(ws://192.168.10.148:8080/socket);
// 打开Socket
socket.onopen = function(event) {
// 发送一个初始化消息
socket.send(I am + name + I come here!);
// 消息
socket.onmessage = function(event) {
¥msg.append(
+ event.data +
);
};
¥(#msg_form).submit(function() {
socket.send(name + say: + ¥text.val());
¥text.val().();
return false;
});
// Socket的封闭
socket.onclose = function(event) {
¥msg.append(server is close);
socket.close()
};
};
}
容易发怒的意思就是: 别人做了蠢事, 然后我们代替他们, 表现出笨蛋的样子。—— 蔡康永