Question

My situation: I would like to create a hobby project for improving my C++ involving real-time/latency programming.

I have decided I will write a small Java program which will send lots of random stock prices to a client, where the client will be written in C++ and accept all the prices.

I do not want the C++ client to have to poll/have a while loop which continuously checks for data even if there is none.

What options do I have for this? If it’s easier to accomplish having a C++ server then that is not a problem.

I presume for starters I will have to use the boost ASIO package for networking?

I will be doing this on windows 7.

Answer 1

Why not just have the Java server accept connections and then wait for some duration of time. e.g. 10 seconds. Within that time if data becomes available, send it and close the connection.

Then the C++ client can have a thread which opens a connection whenever the previous one has completed.

That should give quite low latency without creating connections very often when there is no new data.

This is basically the Comet web programming model, which is used for many applications.