Boost C++ Libraries

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This is the documentation for a snapshot of the develop branch, built from commit 8b1067cad3.
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websocket::stream::read_some (3 of 4 overloads)

Read some message data.

Synopsis
template<
    class MutableBufferSequence>
std::size_t
read_some(
    MutableBufferSequence const& buffers);
Description

This function is used to read some message data. The call blocks until one of the following is true:

The algorithm, known as a composed operation, is implemented in terms of calls to the next layer's read_some and write_some functions. The functions got_binary and got_text may be used to query the stream and determine the type of the last received message. The function is_message_done may be called to determine if the message received by the last read operation is complete. Until the call returns, the implementation will read incoming control frames and handle them automatically as follows:

Return Value

The number of message payload bytes appended to the buffer.

Parameters

Name

Description

buffers

A buffer sequence to write message data into. The previous contents of the buffers will be overwritten, starting from the beginning.

Exceptions

Type

Thrown On

system_error

Thrown on failure.


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