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Boost.Asio C++ Network Programming Cookbook by Dmytro Radchuk

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Writing to a TCP socket asynchronously

Asynchronous writing is a flexible and efficient way to send data to a remote application. In this recipe, we will see how to write data to a TCP socket asynchronously.

How to do it…

The most basic tool used to asynchronously write data to the socket provided by the Boost.Asio library is the async_write_some() method of the asio::ip::tcp::socket class. Let's take a look at one of the method's overloads:

template<
    typename ConstBufferSequence,
    typename WriteHandler>
void async_write_some(
    const ConstBufferSequence & buffers,
    WriteHandler handler);

This method initiates the write operation and returns immediately. It accepts an object that represents a buffer that contains the data to be written to the socket as ...

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