Caplin.DataSource.Channel.IJsonChannelListener Interface Reference

Public Member Functions
void	ChannelClose (IJsonChannel jsonChannel)
bool	ChannelOpen (IJsonChannel jsonChannel)
void	MessageReceived (IJsonChannel jsonChannel, IJsonChannelMessage jsonMessage)

Detailed Description

Interface that must be implemented in order to perform bi-directional communication with a StreamLink client.

The following example shows a basic implementation of JsonChannelListener that accepts all jsonChannels within a namespace and echoes incoming messages back to the StreamLink client:

Member Function Documentation

void Caplin.DataSource.Channel.IJsonChannelListener.ChannelClose

(

IJsonChannel

jsonChannel

)

Callback that informs the JsonChannelListener that a StreamLink client wishes to close a channel.

Parameters

jsonChannel

The channel to be closed.

bool Caplin.DataSource.Channel.IJsonChannelListener.ChannelOpen

(

IJsonChannel

jsonChannel

)

Callback that informs the JsonChannelListener that a StreamLink client wishes to open a channel.

Parameters

jsonChannel

The channel to be opened.

void Caplin.DataSource.Channel.IJsonChannelListener.MessageReceived	(	IJsonChannel	jsonChannel,
		IJsonChannelMessage	jsonMessage
	)

Callback that informs the JsonChannelListener that a StreamLink client has sent a message to the DataSource via a specified channel.

Parameters

jsonChannel	The channel receiving the message.
jsonMessage	A message containing fields that have been sent to the DataSource by the StreamLink client.