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Read some data from the handle.
template<
typename MutableBufferSequence>
std::size_t read_some(
const MutableBufferSequence & buffers);
This function is used to read data from the stream handle. The function call will block until one or more bytes of data has been read successfully, or until an error occurs.
One or more buffers into which the data will be read.
The number of bytes read.
Thrown on failure. An error code of asio::error::eof
indicates that the connection was closed by the peer.
The read_some operation may not read all of the requested number of bytes.
Consider using the read
function if you need to ensure that the requested amount of data is read
before the blocking operation completes.
To read into a single data buffer use the buffer
function as follows:
handle.read_some(asio::buffer(data, size));
See the buffer
documentation for information on reading into multiple buffers in one
go, and how to use it with arrays, boost::array or std::vector.