Boost C++ Libraries

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websocket::stream::read (1 of 2 overloads)

Read a complete message.

Synopsis
template<
    class DynamicBuffer>
std::size_t
read(
    DynamicBuffer& buffer);
Description

This function is used to read a complete message. 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. Received message data is appended to the buffer. The functions got_binary and got_text may be used to query the stream and determine the type of the last received message. 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

buffer

A dynamic buffer to append message data to.

Exceptions

Type

Thrown On

system_error

Thrown on failure.


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