...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Send a WebSocket pong frame.
void pong( ping_data const& payload, error_code& ec);
This function is used to synchronously send a pong frame on the stream. The call blocks until one of the following is true:
This function is implemented in terms of one or more calls to the next
layer's write_some
functions.
The WebSocket protocol allows pong frames to be sent from either end at any time. It is not necessary to first receive a ping in order to send a pong. The remote peer may use the receipt of a pong frame as an indication that the connection is not dead.
Name |
Description |
---|---|
|
The payload of the pong message, which may be empty. |
|
Set to indicate what error occurred, if any. |