我的应用程序有问题。我的django通道和websocket工作得非常好,当我从JS(呈现的html内部)发送消息时,消息将进入websocket,然后再进入数据库(异步)。但是,当我尝试在POST请求呈现之前发送消息时,它会抛出一个错误
#here everything works fine:
def room(request, room_name):
messages = message.objects.all()
texts = []
for i in messages:
texts.append(i.text)
last_lines = texts[-20:]
vars = {
"room_name": room_name,
"messages": last_lines,
}
print()
if request.method == "POST":
vars["post_d"] = request.POST.get("desc")
print(vars["post_d"])
# ws = create_connection("ws://127.0.0.1:8000/ws/chat/loobby/")
# time.sleep(2)
# ws.send(json.dumps({"message": message}))
return render(request, "chat/room.html", vars)
return render(request, "chat/room.html", vars)
#=======================================================
System check identified no issues (0 silenced).
July 12, 2021 - 08:26:23
Django version 3.1.3, using settings 'onionChat.settings'
Starting ASGI/Channels version 3.0.3 development server at http://127.0.0.1:8000/
Quit the server with CTRL-BREAK.
Post request from c# console app
HTTP POST /chat/loobby/ 200 [0.10, 127.0.0.1:3261]
我的test.py文件发送python websocket消息(也可以正常工作)的更改显示在web浏览器的db和websocket中
import json
import time
import asyncio
from websocket import create_connection
async def send(message):
ws = create_connection("ws://127.0.0.1:8000/ws/chat/loobby/")
time.sleep(2)
ws.send(json.dumps({"message": message}))
print("here")
if __name__ == "__main__":
asyncio.run(send("nothing"))
#==================================================================
System check identified no issues (0 silenced).
July 12, 2021 - 08:29:48
Django version 3.1.3, using settings 'onionChat.settings'
Starting ASGI/Channels version 3.0.3 development server at http://127.0.0.1:8000/
Quit the server with CTRL-BREAK.
WebSocket HANDSHAKING /ws/chat/loobby/ [127.0.0.1:1032]
WebSocket CONNECT /ws/chat/loobby/ [127.0.0.1:1032]
WebSocket DISCONNECT /ws/chat/loobby/ [127.0.0.1:1032]
added message to db
但当我试图发送websocket消息并在返回render之后,它会抛出一个错误
def room(request, room_name):
messages = message.objects.all()
texts = []
for i in messages:
texts.append(i.text)
last_lines = texts[-20:]
vars = {
"room_name": room_name,
"messages": last_lines,
}
print()
if request.method == "POST":
vars["post_d"] = request.POST.get("desc")
print(vars["post_d"])
ws = create_connection("ws://127.0.0.1:8000/ws/chat/loobby/")
time.sleep(2)
ws.send(json.dumps({"message": message}))
return render(request, "chat/room.html", vars)
#==================================================================
System check identified no issues (0 silenced).
July 12, 2021 - 08:34:51
Django version 3.1.3, using settings 'onionChat.settings'
Starting ASGI/Channels version 3.0.3 development server at http://127.0.0.1:8000/
Quit the server with CTRL-BREAK.
Post request from c# console app
WebSocket HANDSHAKING /ws/chat/loobby/ [127.0.0.1:30427]
WebSocket DISCONNECT /ws/chat/loobby/ [127.0.0.1:30427]
Internal Server Error: /chat/loobby/
Traceback (most recent call last):
File "C:\Program Files\Python39\lib\site-packages\asgiref\sync.py", line 339, in thread_handler
raise exc_info[1]
File "C:\Program Files\Python39\lib\site-packages\django\core\handlers\exception.py", line 38, in inner
response = await get_response(request)
File "C:\Program Files\Python39\lib\site-packages\django\core\handlers\base.py", line 231, in _get_response_async
response = await wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:\Program Files\Python39\lib\site-packages\asgiref\sync.py", line 304, in __call__
ret = await asyncio.wait_for(future, timeout=None)
File "C:\Program Files\Python39\lib\asyncio\tasks.py", line 442, in wait_for
return await fut
File "C:\Program Files\Python39\lib\concurrent\futures\thread.py", line 52, in run
result = self.fn(*self.args, **self.kwargs)
File "C:\Program Files\Python39\lib\site-packages\asgiref\sync.py", line 343, in thread_handler
return func(*args, **kwargs)
File "C:\Users\Алексей\Desktop\dev\OnionChat\onionChat\chat\views.py", line 48, in room
ws = create_connection("ws://127.0.0.1:8000/ws/chat/loobby/")
File "C:\Users\Алексей\AppData\Roaming\Python\Python39\site-packages\websocket\_core.py", line 595, in create_connection
websock.connect(url, **options)
File "C:\Users\Алексей\AppData\Roaming\Python\Python39\site-packages\websocket\_core.py", line 252, in connect
self.handshake_response = handshake(self.sock, *addrs, **options)
File "C:\Users\Алексей\AppData\Roaming\Python\Python39\site-packages\websocket\_handshake.py", line 59, in handshake
status, resp = _get_resp_headers(sock)
File "C:\Users\Алексей\AppData\Roaming\Python\Python39\site-packages\websocket\_handshake.py", line 143, in _get_resp_headers
status, resp_headers, status_message = read_headers(sock)
File "C:\Users\Алексей\AppData\Roaming\Python\Python39\site-packages\websocket\_http.py", line 300, in read_headers
line = recv_line(sock)
File "C:\Users\Алексей\AppData\Roaming\Python\Python39\site-packages\websocket\_socket.py", line 136, in recv_line
c = recv(sock, 1)
File "C:\Users\Алексей\AppData\Roaming\Python\Python39\site-packages\websocket\_socket.py", line 115, in recv
bytes_ = _recv()
File "C:\Users\Алексей\AppData\Roaming\Python\Python39\site-packages\websocket\_socket.py", line 92, in _recv
return sock.recv(bufsize)
ConnectionResetError: [WinError 10054] Удаленный хост принудительно разорвал существующее подключение
HTTP POST /chat/loobby/ 500 [4.97, 127.0.0.1:30426]
还有我的c代码,但我认为问题不在这里
static void post_command(string command)
{
using (var client = new WebClient())
{
client.Timeout = 600 * 60 * 1000;
client.Headers["User-Agent"] = "Mozilla/5.0";
var values = new NameValueCollection();
values["desc"] = $"{command}";
client.UploadValues(link, values);
//var responseString = Encoding.Default.GetString(response);
//Console.Write(responseString);
}
}
目前没有回答
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