Add support for sending Ping and Pong WebSocket messages as well as for handling incoming Pong messages [SPR-10876]

[spring-projects-issues]

Rossen Stoyanchev opened SPR-10876 and commented

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Affects: 4.0 M3

Referenced from: commits 1f89732

[spring-projects-issues]

Rossen Stoyanchev commented

It should be now possible to send ping and pong messages as well as to receive pong messages. The latter however is not yet available on Jetty since the Jetty WebSocketListener does not expose this option. This is being tracked separately (see #15504).