Score of 8

1 answer

413 views

How do I receive datagrams in batches using ASIO?

I have several data sources that send data to a multicast group. I think in this case it makes sense to receive datagrams not one at a time, but in batches—for example, 64 datagrams at a time. How can ...

Score of 0

0 answers

64 views

POSIX-like UDP socket replacements on top of DPDK

I am porting my app to modern DPDK and want to replace standard UDP socket sys calls without rewriting the networking logic from L2. As an environment I have mlx5 with SR-IOV. I saw UDPDK, which fits ...

Score of 0

1 answer

107 views

udp listener is "batching" on macos

Here's my code in my listener function. while (!stoppingToken.IsCancellationRequested) { try { if (_udpClient == null) { // Explicit binding to match DDPHelper ...

Score of 2

1 answer

163 views

Delphi Indy UDP broadcast failing

I'm using Delphi 12.3 w/ Indy on a machine with multiple network adapters. I have industrial devices connected to the various adapters. The devices look for a UDP query packet on port 11864 with a ...

Score of 2

3 answers

140 views

sendto behaviour with IP address set to 0

I stumbled across this yesterday. Consider the following program, which uses sendto() to send an UDP message to a network address (inside a struct sockaddr_in) that is not set (with the full struct ...

Score of 2

1 answer

79 views

Incorrect report of SO_TIMESTAMP on macOS UDP socket with recvmsg()

I use the socket option SO_TIMESTAMP to get kernel timestamps on received UDP datagrams with recvmsg(). It works well on Linux, not on macOS. In practice, it seems that macOS does return the timestamp ...

Score of 1

0 answers

85 views

Can't send data through UDP via Wi-Fi, Returning 0 Bytes sent

I want to send data to esp32 via WiFi using UDP, but it'S returning 0 bytes (as 0 bytes sent) For Esp32 I tried with another device (different mobile app), and it's working fine.(Esp32 is OK) Here is ...

Score of 2

0 answers

111 views

high rate udp data plotting in pyqt5

I am trying to develop a gui to receive data over udp with rate of 72Mbit/s. I am using the pyqtgraph to plot the data of 10 channels. but after receiving some packets, the widow freezes and it seems ...

Score of 1

0 answers

302 views

UdpSocket drops packets with low read_timeout

I'm using Rust's std UdpSocket to send data from one socket to another one locally. It all works fine if I set no read timeout or if I set a "big" read timeout like 10ms. Once I set the ...

Score of 3

2 answers

171 views

Does UDP receive messages in a queue-like format?

I have two programs set up to mimic two machines that will be communicating using UDP (I know TCP sounds better in this situation, but the manufacturer for one of the machines made it such that ...