Boost C++ Libraries

Write partial message data on the stream.

template<
    class ConstBufferSequence>
std::size_t
write_some(
    bool fin,
    ConstBufferSequence const& buffers);

This function is used to write some or all of a message's payload to the stream. The call will block until one of the following conditions is true:

This operation is implemented in terms of one or more calls to the stream's write_some function.

If this is the beginning of a new message, the message opcode will be set to text or binary as per the current setting of the websocket::stream::binary option. The actual payload sent may be transformed as per the WebSocket protocol settings.

The number of bytes written from the buffers. If an error occurred, this will be less than the sum of the buffer sizes.