Boost.Asio C++ Network Programming Cookbook

Reading from a TCP socket asynchronously

Asynchronous reading is a flexible and efficient way to receive data from a remote application. In this recipe, we will see how to read data from a TCP socket asynchronously.

How to do it…

The most basic tool used to asynchronously read data from a TCP socket provided by the Boost.Asio library is the async_read_some() method of the asio::ip::tcp::socket class. Here is one of the method's overloads:

template<
    typename MutableBufferSequence,
    typename ReadHandler>
void async_read_some(
    const MutableBufferSequence & buffers,
    ReadHandler handler);

This method initiates an asynchronous read operation and returns immediately. It accepts an object that represents a mutable buffer as its first argument to which the ...