How do I create a class in Python that contains a udp socket? Question: I created a class that acts as a UDP server on port 1500 import socket class Udp_Server(): def __int__(self): self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) self.sock.bind(("", 1500)) def recv_udp(self): data, addr = self.sock.recvfrom(1024) return data, addr In main, I call the recv_udp function …
'[WinError 10022] An invalid argument was supplied' when using Python asyncio.loop.create_datagram_endpoint and IPv6 Question: When I execute the following script I get Send: Hello World! Error received: [WinError 10022] An invalid argument was supplied Error received: [WinError 10022] An invalid argument was supplied Connection closed import asyncio import socket class EchoClientProtocol: def __init__(self, message, on_con_lost): …
Python UDP socketserver returning empty message Question: I have a UDP socketserver program that I use to demonstrate how UDP works (code for the server and client are below). I run this on a server, then have the client.py program send a message and receive a reply. I am unfortunately running into an issue that …
Grabbing large UDP messages in python Question: I have a sensor that sends a 35336 byte long message 16 times per second via UDP, as well as several messages under 800 bytes. The messages are seen clearly in Wireshark and arrive at close to the expected rate. When trying to use a python script to …
youtube-dl :: how to listen to audio while downloading Question: I know that I can download an audio track from YouTube through this easy command: youtube-dl -f 251 ‘http://www.youtube.com/watch?v=HRIF4_WzU1w’ Lately YouTube has been slowing down the download speed. Is there a way I can listen to the audio while downloading the track? Where is the …
flask multiprocessing every request Question: I have two processes: frame_collector, this process collect JFIF frame from UDP socket and put it in frame queue. flask_service, this process is just normal web server that will display JPEG series aka MJPEG in index route (/), it also has frame_consumer that will get frame from queue that has …
Python UDP client on Ubuntu Question: I have a pair of Python scripts that communicate through UDP. The scripts work fine as-is if they are both on Windows computers. The idea is to send data from 10.10.10.56 on a Windows machine to 10.10.10.40 on a Ubuntu one. The communication is through a WiFi router, on …
Send UDP package via python not getting response Question: I have a security camera that receive any data via UDP port 37810 and respond with a JSON. The camera ip is 192.168.1.100 echo ‘a’ |nc -u 192.168.1.100 37810 response: DHIP??{"mac":"18:0d:2c:d1:a2:29","method":"client.notifyDevInfo","params":{"deviceInfo":{"AlarmInputChannels":0,"AlarmOutputChannels":0,"DeviceClass":"MHDX","DeviceType":"MHDX 3116","Find":"BD","HttpPort":88,"IPv4Address":{"DefaultGateway":"192.168.1.1","DhcpEnable":false,"IPAddress":"192.168.1.100","SubnetMask":"255.255.255.0"},"IPv6Address":{"DefaultGateway":"","DhcpEnable":true,"IPAddress":"/64","LinkLocalAddress":"fe80::1a0d:2cff:fed1:a229/64"},"Init":3238,"MachineName":"MHDX","Manufacturer":"Intelbras","Port":57777,"RemoteVideoInputChannels":0,"SerialNo":"EKHH2502545HM","Vendor":"Intelbras","Version":"4.000.00IB002.17","VideoInputChannels":16,"VideoOutputChannels":0}}} I can confirm with tcpdump that the message was sent and the camera responded: …
Unable to receive vídeo Stream from tello drone Question: I am writhing a python script in order to communicate to my tello drone via wifi. Once connected with the drone I can send UDP packets to send commands (this works perfectly fine). I want to receive the video stream from the drone via UDP packets …
What is "backlog" in TCP connections? Question: Below, you see a python program that acts as a server listening for connection requests to port 9999: # server.py import socket import time # create a socket object serversocket = socket.socket( socket.AF_INET, socket.SOCK_STREAM) # get local machine name host = socket.gethostname() port = 9999 # bind to …
