Websocket API
Contents
Websocket functions.
Usage
Add the following to your build.gradle file:
dependencies {
include "com.enonic.xp:lib-websocket:${xpVersion}"
}Add the import statement to your controller:
import webSocketLib from '/lib/xp/websocket';You are now ready to use the API.
Functions
addToGroup
Adds an id to a socket group.
Parameters
| Name | Type | Description |
|---|---|---|
|
group |
string |
Group name |
|
id |
string |
Socket id |
Returns
void
Example
import {addToGroup} from '/lib/xp/websocket';
addToGroup('people', session.id);removeFromGroup
Removes an id from a socket group.
Parameters
| Name | Type | Description |
|---|---|---|
|
group |
string |
Group name |
|
id |
string |
Socket id |
Returns
void
Example
import {removeFromGroup} from '/lib/xp/websocket';
removeFromGroup('people', session.id);send
Sends a message directly to a socket id.
Parameters
| Name | Type | Description |
|---|---|---|
|
id |
string |
Socket id |
|
message |
string |
Text message |
Returns
void
Example
import {send} from '/lib/xp/websocket';
send(session.id, 'You said - ' + message);sendToGroup
Sends a message to all sockets in group.
Parameters
| Name | Type | Description |
|---|---|---|
|
group |
string |
Group name |
|
message |
string |
Text message |
Returns
void
Example
import {sendToGroup} from '/lib/xp/websocket';
sendToGroup('people', 'Notice this message!');getGroupSize
Gets number of all sockets in a group.
Calculating size of a group has a linear cost from total number of sockets. Consider using this method only if building a message is a resource consuming operation, otherwise it is better to simply sendToGroup. |
Parameters
| Name | Type | Description |
|---|---|---|
|
group |
string |
Group name |
Returns
number
Example
import {getGroupSize} from '/lib/xp/websocket';
getGroupSize('people');