org.yamcs.web.websocket

Class LinkResource

java.lang.Object

org.yamcs.web.websocket.AbstractWebSocketResource

org.yamcs.web.websocket.LinkResource

All Implemented Interfaces:

LinkListener

public class LinkResource
extends AbstractWebSocketResource
implements LinkListener

Provides realtime data-link subscription via web.

Field Summary

Fields

Modifier and Type	Field and Description
static String	OP_subscribe
static String	OP_unsubscribe
static String	RESOURCE_NAME

Fields inherited from class org.yamcs.web.websocket.AbstractWebSocketResource

client, processor, wsHandler

Constructor Summary

Constructors

Constructor and Description
LinkResource(WebSocketProcessorClient client)

Method Summary

Modifier and Type	Method and Description
void	linkChanged(YamcsManagement.LinkInfo linkInfo)
Web.WebSocketServerMessage.WebSocketReplyData	processRequest(WebSocketDecodeContext ctx, WebSocketDecoder decoder) Process a request and return a reply.
void	quit() Called when the web socket is closed
void	registerLink(YamcsManagement.LinkInfo linkInfo)
void	unregisterLink(String instance, String name)

Methods inherited from class org.yamcs.web.websocket.AbstractWebSocketResource

switchProcessor, toAckReply

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

RESOURCE_NAME

public static final String RESOURCE_NAME

See Also:

Constant Field Values

OP_subscribe

public static final String OP_subscribe

See Also:

Constant Field Values

OP_unsubscribe

public static final String OP_unsubscribe

See Also:

Constant Field Values

Constructor Detail

LinkResource

public LinkResource(WebSocketProcessorClient client)

Method Detail

processRequest

public Web.WebSocketServerMessage.WebSocketReplyData processRequest(WebSocketDecodeContext ctx,
                                                                    WebSocketDecoder decoder)
                                                             throws WebSocketException

Description copied from class: AbstractWebSocketResource

Process a request and return a reply. The reply can be null if the implementor of the resource takes care itself of sending the reply - this has been added because the parameterClient wants to send some date data immediately after reply

Specified by:

processRequest in class AbstractWebSocketResource

Throws:

WebSocketException

quit

public void quit()

Description copied from class: AbstractWebSocketResource

Called when the web socket is closed

Specified by:

quit in class AbstractWebSocketResource

registerLink

public void registerLink(YamcsManagement.LinkInfo linkInfo)

Specified by:

registerLink in interface LinkListener

unregisterLink

public void unregisterLink(String instance,
                           String name)

Specified by:

unregisterLink in interface LinkListener

linkChanged

public void linkChanged(YamcsManagement.LinkInfo linkInfo)

Specified by:

linkChanged in interface LinkListener