io.pedestal.http.jetty.websockets — io.pedestal/pedestal.jetty 0.6.0-beta-2

add-ws-endpoints clj

(add-ws-endpoints ctx ws-paths)

(add-ws-endpoints ctx ws-paths opts)

Given a ServletContextHandler and a map of WebSocket (String) paths to action maps, produce corresponding Servlets per path and add them to the context. Return the context when complete.

You may optionally also pass in a map of options. Currently supported options: :listener-fn - A function of 3 args, the ServletUpgradeRequest, ServletUpgradeResponse, and the WS-Map that returns a WebSocketListener.

make-ws-listener clj

(make-ws-listener ws-map)

Given a map representing WebSocket actions (:on-connect, :on-close, :on-error, :on-text, :on-binary), return a WebSocketConnectionListener. Values for the map are functions with the same arity as the interface.

start-ws-connection clj

(start-ws-connection on-connect-fn)

(start-ws-connection on-connect-fn send-buffer-or-n)

Given a function of two arguments (the Jetty WebSocket Session and its paired core.async 'send' channel), and optionall a buffer-or-n for the 'send' channel, return a function that can be used as an OnConnect handler.

Notes:

• You can control the entire WebSocket Session per client with the session object.
• If you close the send channel, Pedestal will close the WS connection.

start-ws-connection-with-fc-support clj

(start-ws-connection-with-fc-support on-connect-fn)

(start-ws-connection-with-fc-support on-connect-fn send-buffer-or-n)

Like start-ws-connection but transmission is non-blocking and supports conveying transmission results. This allows services to implement flow control.

Notes:

Putting a sequential value on the send channel signals that a transmission response is desired. In this case the value is expected to be a 2-tuple of [msg resp-ch] where msg is the message to be sent and resp-ch is the channel in which the transmission result will be put.

WebSocketSend clj protocol

ws-send clj

(ws-send msg remote-endpoint)

Sends msg to remote-endpoint. May block.

WebSocketSendAsync clj protocol

ws-send-async clj

(ws-send-async msg remote-endpoint)

Sends msg to remote-endpoint. Returns a promise channel from which the result can be taken.

ws-servlet clj

(ws-servlet creation-fn)

Given a function (that takes a ServletUpgradeRequest and ServletUpgradeResponse and returns a WebSocketListener), return a WebSocketServlet that uses the function to create new WebSockets (via a factory).