io.ktor.websocket / WebSocketUpgrade / upgrade

upgrade

suspend fun upgrade(
    input: ByteReadChannel, 
    output: ByteWriteChannel, 
    engineContext: <ERROR CLASS>, 
    userContext: <ERROR CLASS>
): Job

Overrides ProtocolUpgrade.upgrade

Upgrades an HTTP connection

Parameters

input - is a ByteReadChannel for an upgraded connection

output - is a ByteWriteChannel for an upgraded connection

engineContext - is a CoroutineContext to execute non-blocking code, such as parsing or processing

userContext - is a CoroutineContext to execute user-provided callbacks or code potentially blocking