Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is an older version of Boost and was released in 2023. The current version is 1.89.0.

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

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

Set the compress message write option.

Synopsis

void
compress(
    bool value);

Description

This controls whether or not outgoing messages should be compressed. The setting is only applied when

The template parameter deflateSupported is true
Compression is enable. This is controlled with stream::set_option
Client and server have negotiated permessage-deflate settings
The message is larger than permessage_deflate::msg_size_threshold

This function permits adjusting per-message compression. Changing the opcode after a message is started will only take effect after the current message being sent is complete. The default setting is to compress messages whenever the conditions above are true.

Parameters

Name	Description
`value`	`true` if outgoing messages should be compressed

Example

Disabling compression for a single message.

ws.compress( false );
ws.write(net::buffer(s), ec);
ws.compress( true );