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Questions - udp

How is the callback function called in udp_recv in lwip?

I am going through an example code of udp lwip server, and I am confused as to how the udp_recv_perf_traffic callback function is called from the udp_recv function. How does the system know that it ha...
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beenvan

c

udp

lwip

Votes: 0

Answers: 1

Latest Answer

https://doc.ecoscentric.com/ref/lwip-api-raw-udp-recv.html The routine udp_recv_perf_traffic() isn't called from upd_recv; it's registered as a callback function, meaning that udp_recv_perf_traffic() ...
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mzimmers

Stumbling on a Reliable UDP implementation

I received an assignment from the College where I have to implement a reliable transfer through UDP aka. TCP Over UDP (I know, reinvent the wheel since this has already been implemented on TCP) to kno...
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Enzo Matheus

networking

tcp

udp

Votes: 0

Answers: 1

Latest Answer

Note: your pictures are unreadable, please provide a higher resolution images I don't think that algorithm is correct. A timer should be associated with each packet and stopped when ACK for this pack...
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Effie

UDP server consuming high CPU

I am observing high CPU usage in my UDP server implementation which runs an infinite loop expecting 15 1.5KB packets every milliseconds. It looks like below: struct RecvContext { enum { BufferSiz...
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Sayantan Ghosh

sockets

server

udp

overlapped-io

recvfrom

Votes: 0

Answers: 1

Latest Answer

You've chosen about the most inefficient combination of mechanisms imaginable. Why use overlapped I/O if you're only going to pend one operation and then wait for it complete? Why use an event, whic...
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David Schwartz

Maintaining LAN Redundancy in c++

I'm using Dell precision 3930 Rack workstation. It has two 10G LAN sockets to receive/send UDP data from other sub-systems. Our C++ application spawns 2 threads. One thread receives/sends data from LA...
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SIDDHANI VAMSI SAI KUMAR

c++

udp

Votes: 0

Answers: 0

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